WO2018110286A1 - 食器洗い機 - Google Patents

食器洗い機 Download PDF

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Publication number
WO2018110286A1
WO2018110286A1 PCT/JP2017/042980 JP2017042980W WO2018110286A1 WO 2018110286 A1 WO2018110286 A1 WO 2018110286A1 JP 2017042980 W JP2017042980 W JP 2017042980W WO 2018110286 A1 WO2018110286 A1 WO 2018110286A1
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WO
WIPO (PCT)
Prior art keywords
unit
dishwasher
control unit
cleaning tank
moving
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2017/042980
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English (en)
French (fr)
Japanese (ja)
Inventor
新海　清恭
原田　圭二
郁也 池添
敦嗣 今地
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
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 Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Priority to CN201780076013.9A priority Critical patent/CN110072424B/zh
Priority to JP2018556550A priority patent/JP7126063B2/ja
Publication of WO2018110286A1 publication Critical patent/WO2018110286A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details

Definitions

  • the present invention relates to a built-in type dishwasher for cleaning and drying dishes.
  • FIG. 11 is a side longitudinal sectional view of a conventional dishwasher.
  • the main body 14 of the dishwasher has an open front. Inside the main body 14, a cleaning tank 15 whose upper surface is opened is provided so that it can be drawn forward.
  • the dashed-dotted line shown in FIG. 11 shows the state by which the washing tank 15 was pulled out.
  • a washing nozzle 8, a dish basket 4 and a heater are provided inside the washing tank 15.
  • the cleaning pump 7 and the water supply valve 9 are provided outside the cleaning tank 15.
  • the water supply valve 9 is connected to the water supply and introduces the tap water to be the cleaning water into the cleaning tank 15.
  • the cleaning pump 7 circulates the cleaning water stored in the cleaning tank 15.
  • the cleaning nozzle 8 is rotatably provided in the cleaning tank 15 and injects cleaning water pumped by the cleaning pump 7.
  • the tableware basket 4 is detachably provided in the cleaning tank 15.
  • the tableware basket 4 holds the stored tableware 3.
  • the tableware basket 4 is configured so that the cleaning water sprayed from the cleaning nozzle 8 efficiently hits the tableware 3.
  • a heater (not shown) heats washing water or drying air.
  • the washing tank 15 includes a slide rail 16 on the outer side surface.
  • the main body 14 includes a slide rail 17 on the inner side surface.
  • the slide rail 16 slides while being held by the slide rail 17.
  • the cleaning tank 15 is supported by the main body 14 via the slide rail 16 and the slide rail 17 of the main body 14. Thereby, the washing tank 15 can be pulled out from the main body 14 and pushed into the main body 14.
  • the inner lid 21 is provided in the upper part of the main body 14 and is disposed so as to close the opening on the upper surface of the cleaning tank 15. That is, the inner lid 21 is configured to close the opening on the upper surface of the cleaning tank 15 via the packing 22 when the cleaning tank 15 is accommodated in the main body 14.
  • the cleaning tank 15 includes a door 23 at the front.
  • the door 23 covers the opening on the front surface of the main body 14 when the cleaning tank 15 is accommodated in the main body 14.
  • the door 23 has a handle portion 24 and an operation switch in the upper front portion.
  • the handle portion 24 is used when the user hangs his / her hand to pull out or push in the cleaning tank 15.
  • the operation switch is operated by a user, and washing operations such as a washing step, a rinsing step, and a drying step of the dishwasher are set.
  • the washing tank 15 includes a rack gear 18 in which gear teeth are formed in a straight line at a lower portion. At this time, the length of the rack gear 18 is configured to be longer than the stroke in which the cleaning tank 15 is pulled out from the main body 14.
  • a drive motor 19 having a speed reduction mechanism is fixed to the main body 14.
  • a gear 20 that meshes with the rack gear 18 is attached to the motor shaft of the drive motor 19.
  • the drive motor 19 is configured to be capable of normal rotation or reverse rotation.
  • the cleaning tank 15 is driven by the drive motor 19 via the rack gear 18.
  • a conventional dishwasher is configured.
  • the user pulls out the washing tank 15 from the main body 14 and sets the tableware 3 in the washing tank 15.
  • the cleaning tank 15 can be pulled out by the user himself / herself by pulling the handle 24 or the user can operate the operation switch to pull out the cleaning tank 15 by driving the drive motor 19. is there.
  • the control device (not shown) rotates the drive motor 19 forward at a constant speed and rotates the gear 20 attached to the motor shaft in a predetermined direction. Let At this time, the rotational force of the gear 20 acts to push out the meshed rack gear 18. Thereby, the washing tank 15 comes out from the inside of the main body 14 to the front surface while the slide rail 16 and the slide rail 17 slide.
  • the control device stops the drive motor 19 and stops the movement of the cleaning tank 15.
  • the user places the tableware 3 in the tableware basket 4 in the cleaning tank 15 and throws the detergent into the cleaning tank 15. At this time, the tip of the drawn washing tank 15 is lowered by the weight of the stored tableware 3.
  • the control device rotates the drive motor 19 in the reverse direction.
  • the rotational force of the gear 20 acts to retract the meshed rack gear 18.
  • the washing tank 15 is drawn into the main body 14 and accommodated while the slide rail 16 and the slide rail 17 slide.
  • the control device drives the inner lid 21.
  • the upper surface opening of the cleaning tank 15 is closed by the inner lid 21.
  • the control device controls the cleaning pump 7, the water supply valve 9, the heater, the drainage pump (not shown), and the like, and cleans the tableware 3 stored in the tableware basket 4.
  • the control device controls each of the above elements so as to perform a cleaning operation set in the order of, for example, a washing step, a rinsing step, and a drying step.
  • the user takes out the tableware 3. Specifically, the user operates the operation switch in the same manner as before the cleaning operation. Accordingly, the control device rotates the drive motor 19 and pulls out the cleaning tank 15 to a predetermined position. At this time, the tableware 3 accommodated in the washing tank 15 is pulled out without contacting each other by the smooth rotation of the drive motor 19.
  • a decorative panel of the same design made of the same material as the door and drawer of the system kitchen is attached to the lower front portion of the door 23. This decorative panel improves the design of the system kitchen.
  • the handle, operation switches, etc. are usually configured with a dishwasher-specific design. Therefore, designs such as the handle portion 24 and the operation switch cannot be matched completely with the design of the system kitchen.
  • drawers such as furniture
  • dishwashers equipped with a mechanism that pushes out the drawers slightly, such as push rods used for drawers and doors of household appliances such as refrigerators.
  • the amount of drawer opening is small. Therefore, it is necessary for the user to further pull out to a desired position by placing a hand on the drawer.
  • Patent Document 1 describes a configuration in which when the washing tank is pulled out to a set position, the drive motor is stopped and the movement of the washing tank is stopped. Furthermore, Patent Document 1 suggests that the amount of drawer of the cleaning tank is opened to a sufficient position so that the tableware can be set immediately.
  • Patent Document 1 does not disclose the setting and control of the stop position of the washing tank.
  • the control device needs to be controlled so that contact with the user or other objects existing in front of the door does not occur.
  • these controls are not disclosed.
  • the present invention adapts to the diversified design of the system kitchen, and even when there is no operation switch on the door body covering the front of the dishwasher, the door body and the washing tank are pulled out to a position where the tableware can be easily accommodated, which is easy to use.
  • the dishwasher according to the present invention includes a housing having a front opening on the front surface, a tableware that can be inserted into and removed from the housing, and contains a door that covers the front opening. Furthermore, the dishwasher includes a support mechanism for supporting the moving unit on the housing in a state where the moving unit can move back and forth, a driving device having a driving unit for moving the moving unit at least in the forward or backward direction, and at least the driving unit.
  • the control part which controls the drive of this by time is provided.
  • the control unit is configured to stop after driving the driving unit for a predetermined time.
  • the dishwasher can automatically pull out the moving part by the driving device to the position where the dish can be accommodated even when the door covering the front surface does not have the operation part. This improves the usability of the dishwasher.
  • the dishwasher of the present invention can provide an easy-to-use dishwasher that can easily store tableware in the washing tub even when the door has no operation part.
  • FIG. 1 is a diagram showing a side longitudinal sectional view of a dishwasher according to Embodiment 1 of the present invention.
  • FIG. 2 is a view showing a side longitudinal section of the dishwasher in the same embodiment.
  • FIG. 3 is a side longitudinal sectional view of the dishwasher according to Embodiment 2 of the present invention.
  • FIG. 4 is a side longitudinal sectional view of the dishwasher in the same embodiment.
  • FIG. 5 is a diagram showing a side longitudinal sectional view of the dishwasher according to Embodiment 3 of the present invention.
  • FIG. 6 is a perspective view of a dishwasher according to Embodiment 4 of the present invention.
  • FIG. 7 is a front longitudinal sectional view of the dishwasher in the same embodiment.
  • FIG. 8 is an enlarged view of a main part of FIG.
  • FIG. 9 is a side longitudinal sectional view of a dishwasher according to another embodiment of the present invention.
  • FIG. 10 is a side longitudinal sectional view of a dishwasher according to another embodiment of the present invention.
  • Embodiment 1 the dishwasher according to Embodiment 1 of the present invention will be described with reference to FIGS. 1 and 2.
  • FIG. 1 and FIG. 2 are views showing a side longitudinal section of a dishwasher in which the washing tub according to Embodiment 1 of the present invention is a drawer type.
  • FIG. 1 shows a state where the cleaning tank is housed in the housing.
  • FIG. 2 shows a state where the upper surface opening of the cleaning tank is pulled out from the inside of the housing until it is fully opened.
  • the dishwasher of this Embodiment is integrated and used for the system kitchen K, for example.
  • the dishwasher includes a casing 31, a washing tank 33, a door body 40, a control unit 44, a driving device 51, and the like.
  • the housing 31 has a front opening 32 having an entire front surface opened.
  • the cleaning tank 33 is movable in the front-rear direction with respect to the casing 31 and is provided so as to be able to be taken in and out from the front opening 32 of the casing 31.
  • the front direction is described as a direction in which the door body 40 and the cleaning tank 33 are pulled out
  • the rear direction is described as a direction in which the cleaning tank 33 is stored and the door body 40 is closed.
  • the dishwasher installation side is set to the lower side
  • the opposite side is set to the upper side
  • the right side toward the front of the door body 40 is set to the right side
  • the left side is set to the left side.
  • the housing 31 is provided with slide rails 31a installed in the substantially horizontal direction (including the horizontal direction) on the inner surfaces of the left and right side surfaces.
  • the cleaning tank 33 includes slide rails 34 that are installed in the substantially horizontal direction (including the horizontal direction) on the outer surface sides of the left and right side surfaces.
  • the cleaning tank 33 is supported by the slide rail 31a of the housing 31 via the slide rail 34, and moves along the slide rail 31a.
  • the cleaning tank 33 has an upper surface opening 35 having an entire upper surface opened.
  • the tableware 36 etc. which are to-be-cleaned objects are accommodated in the tableware basket 47 arrange
  • an inner lid 37 In the upper part of the housing 31, an inner lid 37, a parallel link mechanism 38, a seal portion 39, and the like are disposed.
  • the inner lid 37 closes the upper surface opening 35 of the cleaning tank 33.
  • the parallel link mechanism 38 supports the inner lid 37.
  • the parallel link mechanism 38 is composed of, for example, a pair of left and right front and rear, and drives the inner lid 37 in the vertical direction.
  • the seal portion 39 is provided on the outer periphery of the lower surface of the inner lid 37.
  • the seal portion 39 seals the upper surface opening 35 of the cleaning tank 33 when the inner lid 37 is lowered.
  • the parallel link mechanism 38 lifts the inner lid 37 when the cleaning tank 33 is pulled out from the housing 31. Thereby, the inner lid 37 and the seal part 39 are configured not to interfere with the movement of the cleaning tank 33.
  • the cleaning tank 33 includes a door 40 at the front.
  • the door body 40 includes an operation panel 41 provided on the front surface of the cleaning tank 33 and a decorative plate 42 attached to the operation panel 41.
  • the decorative plate 42 covers the entire front opening 32 of the housing 31 when the cleaning tank 33 is stored in the housing 31.
  • the decorative plate 42 is made of the same material, the same color, and the same design as the decorative plate that is a door such as a drawer of the system kitchen K.
  • a handle 43 is attached to the decorative plate 42.
  • the handle 43 constitutes a handle portion used when the user pulls out the cleaning tank 33.
  • the same handle as the system kitchen K is attached to the handle 43. Thereby, the whole system kitchen K is comprised by the unified design.
  • the cleaning tank 33 including the door body 40 is automatically pulled out via, for example, a driving device.
  • an upper portion or a side portion of the decorative plate 42 serves as a handle portion and functions as a handle. Therefore, the dishwasher according to the present embodiment does not distinguish between manual operation and automatic operation in the drawer operation of the washing tub 33.
  • the cleaning tank 33 and the slide rail 34 are exemplified as a support mechanism supported by the casing 31 in a state where the door body 40 can be moved back and forth.
  • the control unit 44 is disposed on the back surface of the operation panel 41.
  • the control unit 44 executes the washing operation while controlling all the operations of the dishwasher.
  • the washing operation includes a washing step, a rinsing step, a drying step, and the like.
  • the washing step is a step of removing dirt such as the tableware 36 using a detergent or the like.
  • the rinsing step is a step of removing the detergent attached to the tableware 36 or the like.
  • the drying step is a step of drying the cleaned tableware 36 and the like.
  • control unit 44 is configured by a printed circuit board (not shown) on which a sensor exemplified by the acceleration sensor 45 is disposed.
  • the acceleration sensor 45 detects the magnitude of substantial acceleration of the dishwasher in the three-axis directions of the X axis, the Y axis, and the Z axis.
  • the X-axis corresponds to the front-rear direction
  • the Y-axis corresponds to the left-right direction
  • the Z-axis corresponds to the up-down direction.
  • the acceleration sensor 45 detects the direction and magnitude of various accelerations generated in the dishwasher. Specifically, the acceleration sensor 45 detects the direction and magnitude of acceleration generated by the movement of the door body 40 and the cleaning tank 33 moving in the front-rear direction (X axis).
  • the acceleration sensor 45 detects the direction and magnitude of acceleration caused by vibration applied to the door body 40. Therefore, it is desirable that the printed circuit board is securely attached to the operation panel 41 so as not to cause problems in the mounting direction and mechanical strength. Thereby, the acceleration sensor 45 mounted on the printed circuit board can detect the acceleration applied to the dishwasher more reliably and accurately.
  • control unit 44 controls the operation of the dishwasher on the basis of the signal related to the direction and magnitude of the acceleration detected by the acceleration sensor 45 and the state of the door body 40 and the washing tub 33 (for example, opening / closing operation). .
  • the substantial acceleration is a variation in the mounting angle error and the inclination angle error of the installation in a state where the printed circuit board on which the acceleration sensor 45 is mounted is fixed at a predetermined position in accordance with the triaxial direction. , Means acceptable.
  • the substantial acceleration includes a case where a predetermined angle is corrected in advance when the printed circuit board is fixed at a predetermined angle.
  • the acceleration in the vertical direction and the horizontal direction can be corrected by detecting a deviation from gravity.
  • control unit 44 can detect a deviation between gravity and acceleration in the Z-axis direction. Therefore, when installing the dishwasher, the control unit 44 can be used as a level as will be described later.
  • the dishwasher according to the present embodiment is configured such that the user can operate the dishwasher by applying vibration to the door body 40 and the washing tank 33.
  • the user applies vibrations by knocking the door body 40 with a hand so that the door body 40 is knocked or by tapping the door body 40 with a fingertip.
  • vibration by tapping the door 40 with a hand held by the user.
  • the method is not particularly limited as long as a predetermined vibration applied to the door body 40 is transmitted to the acceleration sensor 45 and can be detected.
  • vibration is applied to the door body 40 by a method in which sound is generated. Therefore, hereinafter, a configuration in which the door body 40 is knocked to give vibration and the dishwasher is operated will be described as an example.
  • the dishwasher according to the present embodiment includes a driving device 51 inside the housing 31.
  • the drive device 51 includes a drive motor 52 that constitutes a drive unit, a pinion gear 53, a rack gear 54, and the like.
  • the driving device 51 moves the door body 40 and the cleaning tank 33 at least in the forward direction or the backward direction.
  • the control unit 44 drives the drive motor 52 of the drive device 51 when receiving a predetermined signal from the sensor exemplified by the acceleration sensor 45 or the like, or the operation unit 46.
  • the sensor is not limited to the acceleration sensor 45 as long as the sensor detects a change such as vibration applied to the door body 40 or the like.
  • an electrostatic sensor that detects that the user has touched the door 40 or the like may be used as the sensor. Thereby, an operation instruction can be easily performed with a simple operation without requiring a force.
  • the washing tub 33 is accommodated in the housing 31, and the user taps the door body 40, for example, twice from the front, for example, while the dishwasher is in the shutdown state.
  • the acceleration sensor 45 detects vibration applied in the front-rear direction, which is the same as the direction in which the cleaning tank 33 is pulled out.
  • the acceleration sensor 45 outputs the detected predetermined signal to the control unit 44. Thereby, the control part 44 judges that the door body 40 was hit by the user.
  • control unit 44 controls to drive the drive motor 52 of the drive device 51.
  • the moving unit including the door body 40 and the cleaning tank 33 moves forward and is automatically pulled out from the housing 31.
  • a moving part contains the whole part which drives and moves with a drive part
  • the component of a moving part differs with the form of a dishwasher.
  • the cleaning tank 33 and the door body 40 are mainly exemplified as the moving unit.
  • a cleaning space 75 of the cleaning tank 73 is configured in the housing 71. Therefore, although the inner surface of the door body 74 constitutes the front surface of the cleaning tank 73, the cleaning space 75 itself does not move. Therefore, the cleaning tank 73 is not included in the moving unit of the fourth embodiment. Therefore, in Embodiment 4, the door body 74, the lower tableware basket 77, the upper tableware basket 78, and the support mechanism 80 are mainly illustrated as a moving part.
  • the cleaning tank 33 is mainly used, and the cleaning tank 33, or the door body 40 and the cleaning tank 33 are described as the moving unit.
  • the moving unit is described with the door body 74 as a main component.
  • the operation unit 46 is disposed on the front side of the upper surface opening 35 of the cleaning tank 33.
  • the operation part 46 is arrange
  • the operation unit 46 is accommodated so as to be concealed in the casing 31 when the cleaning tank 33 is accommodated in the casing 31.
  • the operation unit 46 includes an operation button (not shown) and a display unit (not shown) such as an LED.
  • the operation button is set to control each step of the cleaning operation by the user.
  • the display unit displays the contents set through the operation buttons with LEDs.
  • a table basket 47, a cleaning nozzle 48, a heater 49, and the like are further provided in the cleaning tank 33.
  • a cleaning pump 50 and a drying device are disposed outside the cleaning tank 33.
  • the cleaning nozzle 48 is rotatably provided in the cleaning tank 33 below the table basket 47.
  • the heater 49 is disposed, for example, in a space between the bottom in the cleaning tank 33 and the cleaning nozzle 48.
  • the heater 49 heats the washing water stored in the washing tank 33 in the washing step and the rinsing step of the washing operation.
  • the heater 49 heats the air in the cleaning tank 33 in the drying step of the cleaning operation.
  • the cleaning pump 50 circulates cleaning water. Specifically, the cleaning pump 50 sucks the cleaning water stored in the cleaning tank 33 and jets the cleaning water from the cleaning nozzle 48 toward the tableware 36.
  • the moving unit including the cleaning tank 33 is configured to be able to be taken in and out in the front-rear direction by the driving device 51.
  • the driving device 51 is configured by a rack and pinion type mechanism that can move the moving part in and out in the front-rear direction.
  • the driving device 51 may be configured by, for example, a method of winding a belt with a pulley or a belt conveyor method. Further, the drive direction may be configured to drive only in the front direction or only in the rear direction. In this case, the direction not driven is driven by the user, for example.
  • the drive device 51 includes a drive motor 52 that is a drive unit, a pinion gear 53 that is driven by the drive motor 52, a rack gear 54 that meshes with the pinion gear 53, and the like.
  • the rack gear 54 is formed by arranging gear teeth in a straight line.
  • the rack gear 54 is fixed to one lower part on the outer side of the left and right side surfaces of the cleaning tank 33 constituting the support mechanism.
  • the rack gear 54 has at least a length equal to or longer than the stroke through which the cleaning tank 33 is drawn.
  • the pinion gear 53 is attached to a motor shaft driven by the drive motor 52.
  • the drive motor 52 includes a speed reduction mechanism (not shown). In the drive motor 52, the pinion gear 53 is fixed inside the housing 31 at a position near the front opening 32.
  • the rack gear 54 shown in FIG. 1 is shown by the structure which forms the gear tooth downward and meshes with the pinion gear 53, it is not limited to this.
  • the gear teeth of the rack gear 54 may be formed upward or sideways so as to mesh with the pinion gear 53.
  • Rotational motion of the drive motor 52 is converted into linear motion by the configuration of the rack gear 54 and the pinion gear 53.
  • the cleaning tank 33 is linearly moved to a position where the upper surface opening 35 is substantially fully opened.
  • the tableware basket 47 accommodated in the washing tank 33 is moved to a position where the upper side is substantially fully opened.
  • the washing tank 33 moves in the forward direction, the washing tank 33 is lowered forward by the weight of the stored tableware 36.
  • the vicinity of the pinion gear 53 provided in the front opening 32 at the front portion of the housing 31 is a fulcrum of the cleaning tank 33 that is lowered forward. Therefore, the possibility that the rack gear 54 and the pinion gear 53 are disengaged is low. Thereby, even when providing the structure which a meshing does not remove
  • the speed reduction mechanism provided in the drive motor 52 is configured with a gear ratio that allows the user to easily put in and out the cleaning tank 33 manually.
  • a well-known clutch mechanism (not shown) or a sliding mechanism (not shown) in the drive device 51 from the drive motor 52 to the rack gear 54 including a speed reduction mechanism.
  • the load generated by the drive motor 52 when the user manually moves the cleaning tank 33 in and out is reduced.
  • the user can take in and out the cleaning tank 33 from the housing 31 with a smaller force.
  • the cleaning tank 33 is easily stopped by a clutch mechanism, a sliding mechanism, or the like. That is, it can suppress that big force is added with respect to an obstruction. Therefore, it is possible to more effectively reduce the occurrence of defects due to collisions with obstacles. Further, the generation of an excessive current that brings the drive motor 52 into the locked state is suppressed.
  • blocks the motor circuit of the drive motor 52 is preferable so that it may mention later. Thereby, the resistance at the time of manually moving the washing tank 33 generated by the drive motor 52 is reduced. As a result, the washing tank 33 can be taken in and out with a smaller force.
  • the control unit 44 drives the drive motor so that the upper surface opening 35 of the cleaning tank 33 is substantially fully opened as described above.
  • the drive of 52 is controlled.
  • substantially fully open means that the cleaning tank 33 is most drawn out and the upper surface opening 35 is opened most, or the upper surface opening 35 is opened more than half. That is, substantially fully open means that the tableware basket 47 is opened upward and pulled out to the extent that the user can put in and out the tableware 36.
  • control unit 44 controls the amount of movement of the cleaning tank 33 by the drive time of the drive motor 52.
  • control unit 44 drives the drive motor 52 for a set predetermined time T1 and stops it. Thereby, the washing tank 33 can be stopped at an arbitrary position where the upper surface opening 35 of the washing tank 33 is substantially fully opened.
  • the control unit 44 detects the vibration that the user knocks the door body 40 by the acceleration sensor 45. Thereby, the control part 44 controls the drive motor 52, and pulls out the washing tank 33 to the front automatically. Therefore, the user does not need labor for pulling out the cleaning tank 33.
  • the dishwasher according to the present embodiment can automatically pull out the washing tub 33 to the position where the tableware 36 can be easily accommodated by the driving device 51. This improves the usability of the dishwasher.
  • the door body 40 covering the front surface can be configured such that the operation unit 46 or the handle 43 can be omitted. Therefore, it can respond more appropriately to the diversified design of the system kitchen K.
  • the drive device 51 of the present embodiment is configured and operates.
  • the predetermined time T1 is set according to the control details of the dishwasher. Specifically, the predetermined time T1 is adjusted according to the moving distance, moving speed, and the magnitude of the torque of the drive motor 52 until the moving speed is reached.
  • the dishwasher of the present embodiment is set to a speed of 150 mm / sec to 250 mm / sec as a standard moving speed of the washing tank 33.
  • the moving speed it is more preferable to set the moving speed to 170 mm / second to 230 mm / second. If the moving speed is set within the above range, the user does not feel that the moving speed of the cleaning tank 33 is slow, and safety can be ensured.
  • the standard moving speed means a speed in a constant speed state excluding an acceleration state at the start of the movement of the cleaning tank 33 and a deceleration state before stopping.
  • a constant moving speed does not exist (cannot be realized).
  • m corresponds to the mass of the cleaning tank 33, for example, and v corresponds to the moving speed.
  • the kinetic energy W is set to be 0.5 J or less.
  • the setting of 0.5 J or less reduces the impact even if the door 40 is in contact with a person while the cleaning tank 33 is moving, or if a human hand or a finger is caught in the cleaning tank 33. It is set as a value that can maintain safety. As a result, the occurrence of problems in unexpected situations is prevented.
  • the setting of 0.5 J or less is defined based on the maximum weight of the cleaning tank 33 in which the tableware 36 and the like are accommodated as 16 kg and the moving speed as 250 mm / second. Therefore, when the maximum weight increases, it is preferable to reduce the moving speed so that the kinetic energy W is 0.5 J or less.
  • the dishwasher of the present embodiment up to 50% of the upper surface opening 35 of the cleaning tank 33 by driving the drive motor 52 for about 2 seconds including the acceleration period when the cleaning tank 33 starts to move, It is set to be pulled out.
  • the predetermined time T1 for driving the drive motor 52 to draw out the upper surface opening 35 of the cleaning tank 33 most is set to about 3.5 seconds.
  • the drive motor 52 is configured to be able to be driven at an arbitrary set time with the predetermined time T1 as the maximum value. Thereby, according to setting time, the washing tank 33 can be stopped in arbitrary extraction positions. That is, the set time can be adjusted in accordance with the actual usage of the user.
  • the dishwasher is installed in a narrow place where there is an obstacle near the front of the dishwasher.
  • the entire cleaning tank 33 cannot be pulled out. Therefore, the amount of withdrawal of the cleaning tank 33 is set by adjusting the set time. This makes it possible to install a dishwasher even in a small place.
  • control unit 44 may be configured to drive the drive motor 52 with two or more different step-like voltages.
  • a voltage higher than the standard voltage is applied during the acceleration period when the cleaning tank 33 starts to move, and a voltage lower than the standard voltage is applied during the deceleration period immediately before stopping to drive the drive motor 52.
  • the torque generated by the drive motor 52 is increased when the cleaning tank 33 starts to accelerate.
  • the acceleration period of the cleaning tank 33 can be shortened.
  • the standard voltage corresponds to an applied voltage when the cleaning tank 33 is moved at a constant speed.
  • the driving motor 52 may be driven by applying a driving voltage smoothly so that the moving speed changes smoothly in a shorter time. That is, the two or more stepped voltages include a state in which the voltage changes linearly or smoothly. Thereby, the shock applied to the tableware 36 etc. can further be suppressed.
  • the control unit 44 stops energization to the drive motor 52 after the elapse of the predetermined time T1, and stops driving.
  • the locked state in which the rotation of the drive motor 52 stops becomes a short time of the predetermined time T1 at the maximum. Therefore, the lock state of the drive motor 52 is not maintained for a long time.
  • the continuation for a long time of the load which forcibly rotates the drive motor 52 is suppressed.
  • the drive motor 52 can be used safely and stably over a long period of time. Further, the contact between the cleaning tank 33 and an obstacle or a person is eliminated in a short time. Therefore, it is possible to more reliably suppress the occurrence of problems with obstacles or people, and problems with dishwashers.
  • the control unit 44 immediately controls the driving motor 52 to stop driving.
  • the acceleration sensor 45 detects an acceleration or a change in acceleration that is equal to or greater than a predetermined threshold in any of the three axes including vibration in the moving direction of the door body 40 while the drive motor 52 is driven. If detected, the control unit 44 stops driving the drive motor 52.
  • the control unit 44 is not limited to the case where it comes into contact with an obstacle, and even if the user knocks the door body 40 intentionally or the child comes in contact from the lateral direction or the vertical direction, the control unit 44 immediately The driving of 52 is stopped. As a result, it is possible to prevent the occurrence of a problem with an obstacle or a person in contact with the moving part and maintain high safety.
  • a method of detecting that an unexpected load is applied for example, there is a method of monitoring acceleration in all directions with the acceleration sensor 45 and controlling with the control unit 44. Specifically, when the acceleration sensor 45 detects a change in acceleration that causes the driven door body 40 and the cleaning tank 33 to decelerate or stop, the control unit 44 stops driving the drive motor 52. To do. Note that there is also a method in which the control unit 44 monitors the current during driving of the drive motor 52 and controls the drive motor 52 to stop driving. Specifically, when the control unit 44 detects an increase in current when the door body 40 and the cleaning tank 33 are decelerated or stopped, the control unit 44 stops driving the drive motor 52. Alternatively, when a current of a predetermined value or more flows through the drive motor 52 for, for example, 0.5 seconds or more and the lock state of the drive motor 52 is detected, the control unit 44 stops driving the drive motor 52.
  • the above method can be implemented without any particular limitation. Moreover, you may implement the said method in combination.
  • the time until the drive of the drive motor 52 is stopped after the movement of the cleaning tank 33 is inhibited is shortened. As a result, not only the malfunction such as overheating of the drive motor 52 but also the influence of the malfunction on the obstacle can be prevented more effectively.
  • the cleaning tank 33 can be reliably stopped by detecting the change in acceleration or current. Furthermore, the movement of the cleaning tank 33 can be immediately stopped by providing the above-described clutch mechanism or sliding mechanism. Therefore, the above configuration is useful as a method for stopping the cleaning tank 33 when a load of a predetermined value or more is applied to the door body 40 or the drive motor 52.
  • the controller 44 is stopped halfway until the washing tub 33 reaches a predetermined position, and when the drive motor 52 is stopped, the motor circuit is turned on as described above. You may block it.
  • the cleaning tank 33 stops halfway the user tries to move the cleaning tank 33 manually forward or backward from the position where the cleaning tank 33 stops.
  • the drive motor 52 is forced to idle, and a back electromotive force is generated in the drive motor 52. Therefore, when the cleaning tank 33 stops halfway, the motor circuit of the drive motor 52 is shut off. Thereby, generation
  • the control unit 44 detects a predetermined signal, for example, when the door body 40 is closed, and restores the interrupted motor circuit when receiving a signal for driving the drive motor 52.
  • the dishwasher of the present embodiment is controlled by the control unit.
  • the user pulls out the washing tank 33 in order to accommodate the tableware 36 in the washing tank 33. At this time, the user can also manually pull out the washing tank 33 by placing a hand on the handle 43.
  • the door body 40 when the user knocks the door body 40 twice, the door body 40 is vibrated by being hit.
  • the vibration is transmitted from the decorative plate 42 to the operation panel 41 and is transmitted to the control unit 44 fixed to the operation panel 41.
  • the vibration transmitted to the printed circuit board of the control unit 44 is detected as acceleration by the acceleration sensor 45.
  • the control unit 44 detects the direction and magnitude of acceleration from the output signal of the acceleration sensor 45.
  • the acceleration sensor 45 detects the magnitude of each acceleration in the three-axis directions of the X axis, the Y axis, and the Z axis.
  • the control unit 44 determines that, for example, the X-axis acceleration X is equal to or higher than the first threshold A and the Y-axis acceleration Y is equal to or lower than the second threshold B with respect to the detected acceleration magnitude in the three-axis direction.
  • the drive motor 52 is driven only when the Z-axis acceleration Z is equal to or less than the third threshold value C. That is, only when the above conditions are met, the control unit 44 determines that the door body 40 has been knocked from the front with the intention of the user. As a result, malfunctions at the time of opening and closing the cleaning tank 33 that are not based on the intention of the user are prevented.
  • the control unit 44 determines that the vibration is not from the front of the door body 40. Further, even if the acceleration X is equal to or higher than the first threshold A, if the acceleration Y is equal to or higher than the second threshold B or the acceleration Z is equal to or higher than the third threshold C, it is determined that the vibration is not from the front of the door body 40.
  • the dishwasher of the present embodiment is used by being incorporated in the system kitchen K as described above.
  • the system kitchen K usually has a work top such as a cooking table. Therefore, in preparation for cooking, the operation of hitting the work top is repeated, and a large number of vibrations with various accelerations are generated. Examples of the hitting operation include an operation of cutting the ingredients, an operation of crushing the ingredients with the chopped wood, and an action of hitting with a tool to soften the meat. There are also housework tasks such as placing food and tableware on the worktop.
  • the control unit 44 of the dishwasher is capable of reducing the door body 40 to 2 even with a large number of three or more vibrations.
  • control unit 44 controls the dishwasher only when two knocks are detected in succession. That is, it is preferable that the control unit 44 cancels the driving operation of the dishwasher when vibration corresponding to three or more consecutive knocks is detected.
  • the control unit 44 determines that the vibration is not from the decorative plate 42 and controls the operation of the dishwasher. Thereby, it is possible to prevent erroneous detection in normal housework, and to more reliably prevent an unintended malfunction of the dishwasher.
  • the control unit 44 determines that the user has performed an operation (vibration) for pulling out the cleaning tank 33 based on the detected acceleration, for example, the controller 44 sounds a buzzer after 0.4 seconds. This notifies the user of the start of movement of the door body 40 and the cleaning tank 33.
  • the controller 44 drives the drive motor 52 in a predetermined direction after the determination, for example, 0.6 seconds later. And the drive motor 52 moves the rack gear 54 provided in the lower part of the washing tank 33 ahead via the pinion gear 53 provided in the motor shaft. As a result, while the slide rail 34 of the cleaning tank 33 and the slide rail 31a of the casing 31 slide, the cleaning tank 33 moves forward from the front opening 32 of the casing 31 and is pulled out.
  • adjustment is made so that the cleaning tank 33 is pulled out most when the drive motor 52 is driven for about 3.5 seconds. Thereby, the cleaning tank 33 is pulled out to a position where the upper surface opening 35 is substantially fully opened and stopped.
  • the user accommodates the tableware 36 in the tableware basket 47 from the upper surface opening 35 with the upper surface opening 35 fully opened.
  • the control unit 44 is configured to be energized at all times regardless of whether the power switch is on or off. Thereby, the control part 44 is standing by in the state which can always detect the knock by a user.
  • the control unit 44 determines whether or not the cleaning tank 33 is stored using the following detection. Specifically, for example, the control unit 44 controls the time until storage, detection of the storage position, detection of acceleration when the cleaning tank 33 is stored and stopped, detection of lock current of the drive motor 52, and the like. Make a decision.
  • the cleaning tank 33 is stored as an example of a configuration in which the drive motor 52 is driven and stored automatically as an example.
  • the present invention is not limited to this.
  • the user may store the cleaning tank 33 in the housing 31 while manually pressing the front surface of the door body 40.
  • a start switch (not shown) may be provided so that the user can store the cleaning tank 33 by pressing the start switch instead of knocking once after the setting is completed.
  • pressing the start switch may be a signal for completion of operation setting by the user. That is, when the cleaning tank 33 is housed in the housing 31 by the driving device 51 or manually, the cleaning operation may not be started if the start switch is not pressed. As a result, the user can once store the tableware 36 in the cleaning tank 33 and then store the tableware 36 again little by little after a while.
  • control unit 44 detects the storage of the cleaning tank 33, it executes the set cleaning operation.
  • the user pulls out the cleaning tank 33 in order to take out the tableware 36.
  • the door body 40 is knocked twice, for example, in the same manner as when the tableware 36 is stored.
  • the control unit 44 notifies the user of the start of the withdrawal of the cleaning tank 33 with a buzzer.
  • the control part 44 drives the drive motor 52, and pulls out the washing tank 33 to a predetermined position.
  • the control unit 44 drives the drive motor 52 in the backward direction to store the cleaning tank 33 and does not perform the cleaning operation. Specifically, for example, when a single knock is detected in a state where the cleaning tank 33 is pulled out and there is no operation setting by the operation unit 46 or the start switch is not pressed, the cleaning operation is performed. Absent.
  • the control unit 44 may be configured not to drive the drive motor 52, for example, with the same two knocks as when stopped.
  • the acceleration sensor 45 detects, for example, three or more knocks
  • the control unit 44 temporarily stops the cleaning operation and pulls out the cleaning tank 33. That is, it is preferable to set so that the cleaning tank 33 is pulled out only when the control unit 44 detects an intentional operation of the user.
  • the control unit 44 may have a function like a so-called child lock. With these configurations, the safety of the dishwasher is further improved.
  • the controller 44 determines that the X-axis acceleration X is greater than or equal to the first threshold A and the Y-axis acceleration Y is greater than the detected three-axis acceleration magnitude, for example.
  • the present invention is not limited thereto.
  • the dishwasher according to the present embodiment is particularly incorporated in the system kitchen K, and is basically installed on the upper surface of a cabinet such as a drawer or on the floor surface. Therefore, the transmission state of the applied vibration changes depending on the strength of the installation surface where the dishwasher is installed. Therefore, it is preferable to set the respective threshold values and combinations for the magnitude of the acceleration in the three-axis directions according to the installation state of the dishwasher. Thereby, the dishwasher with high versatility and excellent operability can be realized.
  • the dishwasher when the dishwasher is installed on the upper surface of the cabinet, for example, only the leg of the dishwasher contacts the system kitchen K. That is, a gap is formed between the system kitchen K and the periphery of the dishwasher. At this time, a seal member such as a sponge or a rubber plate is provided on the side surface and upper front portion of the housing 31, and the gap may be blocked.
  • the sealing member since the sealing member has flexibility, vibrations in the left-right direction and the front-rear direction are absorbed, and transmission to the dishwasher is suppressed. Therefore, the vibration applied to the system kitchen K is easily propagated in the vertical direction. That is, the direction of vibration that is easily affected by the strength of the installation surface is the vertical direction.
  • the dishwasher when the dishwasher is installed on the upper surface of the cabinet, it is preferable to connect the system kitchen K and the dishwasher with a rigid member. Thereby, the vibration added to the system kitchen K other than the door body 40 of a dishwasher can be detected exactly. For example, if the left and right and up and down directions are firmly connected at the front portion of the housing 31, vibrations in the Y axis in the left and right direction and the Z axis in the up and down direction can be accurately detected. At this time, it is more preferable that the front-rear direction is connected with flexibility.
  • the vibration applied to the X-axis corresponding to the front-rear direction is less affected by the vibration of the Y-axis in the left-right direction and the Z-axis in the up-down direction.
  • the control unit 44 can more accurately distinguish the vibration applied to the door body 40 from other vibrations and control the operation of the dishwasher.
  • the dishwasher according to the present embodiment can assign control such as drawing out and pushing in of the washing tub 33 according to the combination of the state of the washing tub 33 and knocking by the user.
  • control such as drawing out and pushing in of the washing tub 33 according to the combination of the state of the washing tub 33 and knocking by the user.
  • the user can set the combination of the detection of the acceleration sensor 45 and the control operation and the setting of the stop position of the cleaning tank 33 through the operation unit 46 or the like.
  • a configuration in which the setting state and the like can be confirmed on the display unit is more preferable.
  • at least setting of a threshold related to settings that can be handled by the user including sensitivity of the sensor to vibration applied to the door body 40, setting of operation of the drive motor 52, and the like.
  • a configuration in which the set value can be confirmed by the user via a display unit provided in the operation unit 46 is employed. Thereby, the user can freely set the number of knocks, the detection level of the knock intensity, and the like, and can easily check the setting contents. As a result, the usability of the dishwasher is further improved.
  • control unit 44 controls as follows. In this case, the control unit 44 drives the drive motor 52 to move the cleaning tank 33 in the forward direction.
  • (Operation preparation) (B) When the user knocks the door body 40 once in the state where the cleaning tank 33 is pulled out and the state where the cleaning operation is not set, the control unit 44 controls as follows. In this case, the controller 44 only drives the drive motor 52 to store the cleaning tank 33 and does not start the cleaning operation. (Operation preparation or operation end) (C) When the user knocks the door body 40 twice in the state where the cleaning tank 33 is pulled out and the cleaning operation is set, the control unit 44 controls as follows.
  • the controller 44 only drives the drive motor 52 to store the cleaning tank 33 and does not start the cleaning operation.
  • (Operation preparation) D) When the user knocks the door body 40 once in the state where the cleaning tank 33 is pulled out and the state where the cleaning operation is set, the control unit 44 controls as follows. In this case, the control unit 44 drives the drive motor 52 to store the cleaning tank 33 and starts the set cleaning operation.
  • start operation E) When the user knocks the door body 3 three times while the cleaning tank 33 is accommodated during the cleaning operation, the control unit 44 controls as follows. In this case, the control unit 44 temporarily stops the cleaning operation, drives the drive motor 52, and moves the cleaning tank 33 in the forward direction.
  • the controller 44 may be configured to cancel the drive of the drive motor 52. As a result, it is possible to expand the room for selection such as substituting a child lock or not using a drive device in a narrow space.
  • the dishwasher includes at least an acceleration sensor 45 that detects vibration applied to the door body 40.
  • the control unit 44 is configured to drive the drive motor 52 for a set time set within a predetermined time T1, which is the maximum value, to move the cleaning tank 33 in the forward direction and pull it out from the housing 31. is doing.
  • T1 the maximum value
  • the washing tank 33 can be automatically pulled out to a predetermined position.
  • the design of a dishwasher can be easily adapted to the design of the system kitchen K which is diversified.
  • the set time can be adjusted according to the actual usage of the user.
  • the control unit 44 can control the cleaning tank 33 to stop at an arbitrary position.
  • control unit 44 of the dishwasher is configured to drive the drive motor 52 when receiving a signal from the acceleration sensor 45 that detects a predetermined vibration applied to the door body 40. ing.
  • the control part 44 can detect the vibration which the user knocked the door body 40, and can move the washing tank 33 to arbitrary directions.
  • the control unit 44 can appropriately move the cleaning tank 33 forward or rearward by driving the drive motor 52 according to the timing of the cleaning operation and the state of the cleaning tank 33. it can.
  • control unit 44 of the dishwasher drives the drive motor 52 to automatically and movably control the upper surface opening 35 of the washing tub 33 to a position where it is substantially fully opened.
  • the user does not need to pull out the washing tank 33 manually. Therefore, the tableware 36 can be easily put in and out without imposing a burden such as excessive labor on the user.
  • control unit 44 of the dishwasher controls the drive motor 52 to stop when receiving a signal from the acceleration sensor 45 that detects the acceleration generated when the washing tank 33 is stopped.
  • a locking portion may be provided at a predetermined position of the drawer.
  • the control part 44 can stop the washing tank 33 reliably in a predetermined position.
  • control unit 44 of the dishwasher controls the drive motor 52 and the motor circuit to be shut off when the washing tank 33 is stopped. Thereby, the user can move the washing tank 33 manually. At this time, due to the movement of the cleaning tank 33, the drive motor 52 runs idle, and a back electromotive force is generated. However, the drive motor 52 and the motor circuit are disconnected. Therefore, an abnormal current does not flow through the printed circuit board of the control unit 44 due to the generated back electromotive force. Further, when the user manually performs the opening / closing operation, an electrical load due to the counter electromotive force of the drive motor 52 does not occur, so that no extra load is applied to the user during the opening / closing operation. Therefore, the user can easily perform the operation of putting in and out the cleaning tank 33 with little effort even manually.
  • the dishwasher drive device 51 of the present embodiment includes a drive motor 52, a pinion gear 53 driven by the drive motor 52, and a rack gear 54 that meshes with the pinion gear 53.
  • the drive motor 52 is fixed inside the housing 31 so that the pinion gear 53 is positioned in the vicinity of the front opening 32.
  • the rack gear 54 is fixed to the outside of the cleaning tank 33. At this time, when the washing tank 33 moves in the forward direction, the state is lowered. In this case, the vicinity of the pinion gear 53 provided at the front portion is a fulcrum. Therefore, the possibility that the rack gear 54 and the pinion gear 53 are disengaged is low. However, in order to reliably prevent the disengagement, when a new configuration is separately provided, it can be realized with a mechanism having a simple configuration.
  • control unit 44 of the dishwasher controls the driving device 51 and moves the washing tank 33 safely according to the intention of the user. Therefore, the labor for manually moving the cleaning tank 33 to the user is reduced, and usability is improved. Further, the operation unit 46 is entirely hidden in the housing 31. Thereby, it is possible to easily adapt the design of the dishwasher to the diversified design of the system kitchen K. As a result, the design of the system kitchen K is unified, and the design is further improved.
  • control unit 44 when the control unit 44 comes into contact with an obstacle existing in front of the cleaning tank 33, the control unit 44 detects a change in vibration or acceleration generated by the contact. Then, the control unit 44 immediately stops driving the drive motor 52. Thereby, generation
  • FIG. 3 and FIG. 4 are views showing a longitudinal cross-sectional side view of a dishwasher in which the washing tub in the second embodiment of the present invention is a drawer type.
  • FIG. 3 shows a state where the cleaning tank is housed in the housing.
  • FIG. 4 shows a state where the upper surface opening of the cleaning tank is pulled out from the inside of the housing.
  • the dishwasher of the present embodiment is different from the driving device of the first embodiment in the configuration of the driving device. Since the configuration other than this is the same as that of the first embodiment, the first embodiment is used and the description thereof is omitted.
  • the drive device 55 of the present embodiment is configured by a roller pressure contact type, and allows the cleaning tank 33 to be taken in and out.
  • the drive device 55 includes a drive motor 56, a roller 57 driven by the drive motor 56, a pressure contact rail 58 to which the roller 57 is pressed, and the like.
  • the press-contact rail 58 is fixed to one lower portion outside the right and left side surfaces of the cleaning tank 33.
  • the pressure-contact rail 58 has a length that is at least longer than the stroke from which the cleaning tank 33 is drawn.
  • the roller 57 is attached to a motor shaft that is driven by a drive motor 56 and is in pressure contact with the pressure contact rail 58.
  • the drive motor 56 includes a speed reduction mechanism (not shown). In the drive motor 56, the roller 57 is fixed inside the housing 31 at a position near the front opening 32.
  • roller 57 shown in FIG. 3 is shown by the structure press-contacted from the lower side with respect to the press-contact rail 58, it is not restricted to this.
  • the roller 57 may be configured to be in pressure contact with the pressure contact rail 58 from above or in pressure contact from the lateral direction.
  • the press contact rail 58 is not provided separately, but may be configured such that the side surface or the bottom surface of the cleaning tank 33 is used as the press contact rail 58.
  • Rotational motion of the drive motor 56 is converted into linear motion by the configuration of the roller 57 and the pressure rail 58. Thereby, the washing tank 33 is linearly moved to a position where the upper surface opening 35 is substantially fully opened.
  • the cleaning tank 33 can be stopped at an arbitrary pull-out position according to the set time.
  • the cleaning tank 33 can be automatically pulled out by the driving device 55. Therefore, for example, when the cleaning tank 33 is pulled out, the user does not need to apply excessive labor to the cleaning tank 33.
  • the dishwasher of the present embodiment can automatically pull out the washing tub 33 by the drive device 55 to a position where the tableware 36 can be easily accommodated. This improves the usability of the dishwasher. Moreover, the dishwasher of this Embodiment can be easily adapted to the design of the diversified system kitchen K.
  • FIG. 5 is a side longitudinal sectional view of the dishwasher according to Embodiment 3 of the present invention.
  • the dishwasher according to the present embodiment is different from the first embodiment in that a second operation unit is provided on the door body. Since the configuration other than this is the same as that of the first embodiment, the first embodiment is used and the description thereof is omitted.
  • the door body 40 of the present embodiment includes a second operation portion 46 b on the top of the decorative plate 42.
  • the second operation unit 46b is provided with at least an operation switch (not shown) of a drive motor 52 that is a drive unit for moving the cleaning tank 33, a sensor, or the like.
  • the operation switch is composed of, for example, a plurality of button switches so that it can be distinguished in which direction of the cleaning tank 33 is moved in the front-rear direction.
  • the senor is constituted by a non-contact sensor exemplified by an ultrasonic sensor, an infrared sensor, an optical sensor, a sound (voice) recognition sensor, and the like.
  • an ultrasonic sensor, an infrared sensor, or an optical sensor includes, for example, a transmission unit and a reception unit, and outputs a detection signal to the control unit 44 when a hand is held within a predetermined distance range.
  • the sound (speech) recognition sensor recognizes a sound such as applause, a sound of hitting an object, or a sound, and outputs the detected content to the control unit 44. Accordingly, the control unit 44 determines the operation content based on the output detection signal and detection content, drives the drive motor 52, and moves the cleaning tank 33.
  • the infrared sensor may be configured to detect infrared rays emitted from the human body.
  • the control method (such as the operation direction) of the cleaning tank 33 is determined based on the number of hands held within a predetermined time and the number of sounds. It is preferable to determine.
  • the control method of the cleaning tank 33 is determined based on the instruction content by voice.
  • the control unit 44 controls the drive motor 52 so that the upper surface opening 35 is substantially fully opened when the cleaning tank 33 is moved in the forward direction.
  • substantially full open is the same as the meaning demonstrated in Embodiment 1.
  • control unit 44 controls the drive motor 52 with time as in the first embodiment. That is, the control unit 44 drives and stops the drive motor 52 for the set predetermined time T1.
  • the dishwasher of the present embodiment can automatically pull out the washing tub 33 by the drive device 55 to a position where the tableware 36 can be easily accommodated. This improves the usability of the dishwasher.
  • the dishwasher of this embodiment can be easily adapted to the diversified design of the system kitchen K.
  • Embodiment 4 a dishwasher according to Embodiment 4 of the present invention will be described with reference to FIGS.
  • FIG. 6 is a perspective view of another drawer-type dishwasher according to Embodiment 4 of the present invention.
  • FIG. 7 is a front longitudinal sectional view of the dishwasher.
  • FIG. 8 is an enlarged view of a main part of the slide rail portion of FIG.
  • the dishwasher of the present embodiment is different from that of the first embodiment in the configuration of the washing tank of the dishwasher and the configuration of the door support mechanism. That is, the cleaning tank of the first embodiment is configured to be withdrawn / withdrawn from the casing. On the other hand, the cleaning tank of the present embodiment is constituted by a cleaning space surrounded by the inside of the housing and the inner surface of the door body. Therefore, the cleaning space of the cleaning tank is configured to be fixed in the housing. Due to this difference, in the first embodiment, the support mechanism that supports the door body includes a cleaning tank to which the door body is attached and a slide rail that moves the cleaning tank. On the other hand, the support mechanism of this Embodiment is comprised including the support member and slide rail to which a door body is attached. Since the configuration other than this is the same as that of the first embodiment, the first embodiment is used and the description thereof is omitted.
  • the dishwasher includes a casing 71, a cleaning tank 73, a door body 74, a cleaning space 75, a driving device 83, and the like.
  • the housing 71 has a front opening 72 having an entire front surface opened.
  • the cleaning tank 73 is formed inside the casing 71 provided with the front opening 72.
  • the door body 74 is disposed so as to cover the front opening 72.
  • the cleaning space 75 is formed by the cleaning tank 73 and the door body 74.
  • a lower tableware basket 77 on which the tableware 76 is placed and an upper tableware basket 78 are arranged so as to be movable back and forth. When the lower table basket 77 and the upper table basket 78 are locked to the door body 74, the lower table basket 77 and the upper table basket 78 move back and forth together with the door body 74.
  • the lower table basket 77 and the upper table basket 78 move individually with respect to the door body 74. That is, the lower tableware basket 77 and the upper tableware basket 78 have a form that moves integrally with the door body 74 and a form that moves individually.
  • the door body 74 has an operation portion 79 on the upper surface 74a.
  • the operation unit 79 can be switched between power on / off, start, pause, cleaning, and drying course by a user's button operation.
  • the operation unit 79 may be provided with a switch for operating a control unit (not shown) in order to move the door body 74.
  • the control unit is provided below the operation unit 79.
  • the door body 74 is supported by the casing 71 through the support mechanism 80 so as to be movable back and forth.
  • the support mechanism 80 includes the support member 81, the slide rail 82, and the like.
  • the slide rails 82 are attached to the inner side surfaces on both the left and right sides of the housing 71 at the outer lower portion of the cleaning tank 73.
  • the slide rail 82 includes a fixed rail 82a, a first movable rail 82b, a second movable rail 82c, and the like.
  • the first movable rail 82b is slidably attached to the fixed rail 82a.
  • the second movable rail 82c is slidably attached to the first movable rail 82b.
  • the support member 81 is formed of, for example, a metal plate such as stainless steel, and the front end portion 81 a is fixed to the inner lower portion of the door body 74.
  • the support member 81 is fixed on the second movable rail 82 c of the slide rail 82.
  • the support member 81 and the second movable rail 82c are integrated with the first movable rail 82b while supporting the door 74 substantially vertically (including vertical) when the door 74 moves forward. Move to. As a result, the slide rail 82 extends.
  • the driving device 83 has at least a driving motor 84 that constitutes a driving unit, and is disposed in a lower portion of the cleaning tank 73 in the housing 71.
  • the driving device 83 moves the door body 74 at least in the forward direction or the backward direction.
  • the control unit receives a predetermined signal from a sensor exemplified by the acceleration sensor 45 or the like, or an operation switch. Accordingly, the control unit drives the drive motor 84 that is a drive unit based on the received signal.
  • the dishwasher of the present embodiment is configured.
  • the drive device 83 is configured with a rack and pinion type mechanism, as in the first embodiment.
  • the drive device 83 includes a drive motor 84, a pinion gear 85 driven by the drive motor 84, a rack gear 86 that meshes with the pinion gear 85, and the like.
  • the rack gear 54 is formed by arranging gear teeth in a straight line.
  • the rack gear 86 is fixed near the support member 81.
  • the rack gear 86 has at least a length equal to or longer than the stroke in which the door body 74 moves.
  • the pinion gear 85 is attached to a motor shaft that is driven by the drive motor 84.
  • the drive motor 84 includes a speed reduction mechanism (not shown).
  • the drive motor 84 is fixed inside the casing 71 at a position where the pinion gear 85 is in the vicinity of the front opening 72.
  • Rotational motion of the drive motor 84 is converted into linear motion by the configuration of the rack gear 86 and the pinion gear 85. Thereby, the door body 74 is moved in the forward direction or the backward direction. Since other detailed control is the same as that of Embodiment 1, description is abbreviate
  • the moving unit is configured with a door, a tableware basket, a cleaning nozzle, and the like. Therefore, a moving part can be comprised lightweight. Thereby, the drive device can also be configured in a relatively small size.
  • the method of controlling the drive motor 52 with time is disclosed as an example, but the present invention is not limited to this.
  • the cleaning motor 33 may be stopped by controlling the drive motor by the method described in FIG.
  • a position detection unit 59 made of, for example, a micro switch is provided in the vicinity of the front opening 32 of the housing 31.
  • the position detector 59 detects a predetermined position of the cleaning tank 33 and outputs the detected signal to the controller 44.
  • the controller 44 may be configured to control the drive motor to stop driving based on a signal detected by the position detector 59 while the cleaning tank 33 is moving.
  • the position detector 59 may be a photoelectric switch.
  • the photoelectric sensor detects the position of the cleaning tank 33 by measuring the moving distance of the cleaning tank 33.
  • you may comprise a drive part with a stepping motor. In this case, the moving distance of the cleaning tank 33 can be detected based on the number of pulses for driving the stepping motor.
  • a locking portion 60 including a first protrusion 60a and a second protrusion 60b is provided. And you may comprise so that the washing tank 33 may be stopped by the latching
  • the first protrusion 60 a of the locking part 60 is provided in the vicinity of the front opening 32 of the housing 31, for example.
  • the second protrusion 60 b is provided at the rear portion of the slide rail 34 or the cleaning tank 33.
  • the 1st projection part 60a and the 2nd projection part 60b are arrange
  • the control unit 44 detects the lock current of the drive motors 52 and 56 generated when the cleaning tank 33 is stopped by the locking unit 60. Thereby, you may comprise the control part 44 so that the drive of the drive motors 52 and 56 may be stopped.
  • a locking portion 60 including a first protrusion 60a and a second protrusion 60b is provided. And you may comprise so that the washing tank 33 may be stopped by the latching
  • the first protrusion 60 a of the locking part 60 is provided in the vicinity of the front opening 32 of the housing 31, for example.
  • the second protrusion 60 b is provided at the rear portion of the slide rail 34 or the cleaning tank 33.
  • the first protrusion 60a and the second protrusion 60b are configured to contact each other at a predetermined position where the cleaning tank 33 is pulled out. Thereby, the washing tank 33 stops at a predetermined position.
  • the acceleration sensor 45 detects the acceleration generated when the cleaning tank 33 is stopped by the locking portion 60, and outputs the detected signal to the control portion 44. Accordingly, the control unit 44 may be configured to stop the drive motors 52 and 56 based on the signal from the acceleration sensor 45.
  • the locking portion 60 is preferably formed of a material having cushioning properties.
  • locking part 60 is absorbed. Therefore, the washing tank 33 stops smoothly, and the transmission of shock to the accommodated tableware 36 is alleviated. As a result, noise due to contact between the dishes 36 and damage to the dishes 36 are prevented. Further, it is possible to prevent the water accumulated in the cleaning tank 33 from splashing due to the contact. Therefore, it is possible to prevent water from jumping out of the cleaning tank 33 and water of the dried tableware 36 after cleaning.
  • the drive motors 52 and 56 of the drive devices 51 and 55 are fixed near the front opening 32 of the casing 31, and the rack gear 54 and the pressure contact rail 58 are fixed outside the cleaning tank 33.
  • the configuration has been described as an example, it is not limited thereto.
  • the drive motors 52 and 56 of the drive devices 51 and 55 may be fixed to the rear part of the cleaning tank 33, and the rack gear 54 and the pressure contact rail 58 may be fixed inside the housing 31.
  • a drive device when a drive device is provided in a drawer of furniture or a refrigerator, it is preferable in terms of configuration to provide a power source for the drive unit on the housing side.
  • the dishwasher with the drawer having the washing tub 33 of the present embodiment requires a power source such as the heater 49 and the washing pump 50 arranged in the washing tub 33, and therefore a power line is provided on the washing tub 33 side. ing. Therefore, according to the above configuration, the signal line and the power line from the control unit 44 to the drive motors 52 and 56 can be arranged only on the side surface of the cleaning tank 33 without being routed to the housing 31 side. This facilitates the design and assembly of the dishwasher and improves workability during maintenance.
  • teeth may be formed on both the upper and lower sides of the rack gear 54 of the driving device 51, and the rack gear 54 may be sandwiched between the two pinion gears 53 in the vertical direction.
  • the rack gear 54 may be formed in any one of the vertical directions, and a roller may be provided on the side where the teeth are not provided so that the rack gear 54 is sandwiched from the vertical direction.
  • the case where the user manually moves the cleaning tank 33 when the cleaning tank 33 stops halfway due to contact with an obstacle has been described. It is not limited to this. For example, it is good also as a structure which drives the drive devices 51 and 55 and moves the washing tank 33 automatically. In this case, it is necessary to distinguish whether the cleaning tank 33 is pulled out or stored from the stop position. Therefore, as a method of distinguishing the moving direction, the number of times the user strikes the decorative plate 42 may be detected by the acceleration sensor 45 to distinguish the moving direction. In addition, a switch that clearly indicates the moving direction may be provided in the operation unit 46, and the moving direction of the cleaning tank 33 may be distinguished by a user operation. According to this configuration, the driving devices 51 and 55 can be used effectively. Thereby, the effort which a user moves the washing tank 33 manually is reduced.
  • control unit 44 has been described as an example in which the drive motors 52 and 56 are immediately driven when a signal for driving the drive motors 52 and 56 is detected by the user.
  • the control unit 44 starts driving the drive motors 52 and 56 after a predetermined time T2 (for example, 0.4 second to 1 second) after detecting a signal for driving the drive motors 52 and 56 by the user.
  • T2 for example, 0.4 second to 1 second
  • the drive motors 52 and 56 can be driven after the cleaning pump is stopped. Thereby, it is possible to prevent the cleaning water sprayed from the cleaning nozzle from jumping out from the cleaning tank.
  • control unit 44 when the control unit 44 continuously detects driving signals and repeats driving of the driving motors 52 and 56, a predetermined time T2 is provided to secure time for temporarily stopping the driving motors 52 and 56. it can. Thereby, it can control so that the big starting current which flows into the drive motors 52 and 56 does not flow continuously. As a result, it is possible to prevent an excessive temperature rise of the drive motors 52 and 56 due to a large starting current that flows continuously.
  • the notification unit that notifies the movement of the door body 40 by driving the drive motors 52 and 56, because safety is improved.
  • the notification is started before the door 40 starts moving during the predetermined time T2. Thereby, contact
  • a door closing detection sensor for detecting the closing of the door body 40 may be further provided.
  • a position detection unit 59 shown in FIG. 9 can be used as a door closing detection sensor.
  • the control unit 44 does not detect a signal from the acceleration sensor 45 for a predetermined time T3 (for example, 0.5 seconds) after detecting the closing signal of the door body 40 by the door closing detection sensor. Control.
  • the control unit 44 performs control so that the drive motor is suspended even when a signal from the acceleration sensor 45 is detected.
  • the acceleration sensor 45 may erroneously detect the vibration as an operation signal by knocking.
  • the predetermined time T3 so as not to detect the vibration, it is possible to prevent erroneous detection of vibration at the time of closing.
  • the predetermined time T3 it is possible to secure a time during which the drive motors 52 and 56 are temporarily stopped. As a result, an excessive temperature rise of the drive motors 52 and 56 can be prevented.
  • a notification unit that notifies when the door closing detection sensor detects a closing signal of the door body 40 may be provided.
  • the user can be reliably notified of the blockage of the door body 40.
  • it can alert
  • the user can easily confirm the reliable blockage of the door body 40 and the normal execution of the subsequent cleaning operation.
  • the control unit 44 may perform control so as to notify the occurrence of the abnormal state shown below.
  • the abnormal state means that, for example, the drive motors 52 and 56 are driven in the rearward direction of closing the door body 40, and the stop of the drive motors 52 and 56 is detected by the door closing detection sensor even though the control unit 44 detects the stop. Is not detected by the control unit 44. Thereby, it is possible to prompt the user to recognize that the door body 40 is not completely closed and to quickly perform the subsequent response.
  • the drive motor when the notification is repeated a predetermined number of times (for example, five times) even if the user operates the door body 40 to close by the notification of the abnormal state, the drive motor further increases with the notification of the occurrence of the abnormality. You may control to stop the drive of 52,56. According to this configuration, control can be performed so that the lock currents of the drive motors 52 and 56 do not flow repeatedly. As a result, an excessive temperature rise of the drive motors 52 and 56 can be prevented.
  • the cause of the abnormality is, for example, whether the door body 40 is not closed by an obstacle, or whether the drive motors 52, 56 or the door close detection sensor has failed.
  • the user can determine the cause of the occurrence of the abnormality and respond immediately. As a result, it is possible to more reliably prevent the cleaning operation from being performed in a state where the door body 40 is not closed.
  • the control unit 44 may perform control so as to notify the occurrence of the abnormality shown below.
  • the occurrence of an abnormality first detects, for example, a signal indicating that the door body 40 is closed by a door close detection sensor. Then, in the detected state, the drive motors 52 and 56 are driven in the forward direction in which the door body 40 is opened.
  • the control unit 44 may continue to detect the signal of the door close detection sensor for a predetermined time T4 (for example, 2.5 seconds) after driving. According to this configuration, the control unit 44 determines that the door body 40 is not moving, and can promptly notify the user of the abnormality of the door body 40.
  • control unit 44 may perform control so as to stop further driving motors 52 and 56 when the following notification of occurrence of abnormality is repeated. Specifically, even if the user knocks, even if the door body 40 is not opened and the user is notified, the notification is repeated further and the predetermined number of times (for example, 5 times) is reached. is there. According to this control, the lock current of the drive motors 52 and 56 can be prevented from flowing repeatedly. Thereby, the excessive temperature rise of the drive motors 52 and 56 can be prevented.
  • the above notification can inform the user that the cause of the abnormality needs to be determined.
  • the cause of the abnormality is, for example, whether the door body 40 does not move due to an obstacle or the like, or whether the drive motors 52, 56 or the door closing detection sensor has failed.
  • the configuration of controlling the operation of the washing tub 33 of the dishwasher based on the signal detected by the acceleration sensor 45 has been described as an example, but the present invention is not limited to this.
  • the acceleration sensor 45 may be applied as, for example, a level used for detection of inclination when a dishwasher is installed.
  • Dishwashers use water, so if installed at an angle, there is a risk of problems such as water leaks. Therefore, it is necessary to check the horizontal state of the dishwasher at the time of installation.
  • control unit 44 uses the acceleration sensor 45 as a level and detects a deviation between gravity and acceleration in the Z-axis direction. Thereby, in order to detect the inclination of the dishwasher, it is not necessary to separately provide a level. As a result, workability when installing the dishwasher is improved.
  • the control unit 44 detects the inclination by the acceleration sensor 45. And the control part 44 alert
  • control unit 44 may control the drive motors 52 and 56 so as to change the moving speed of the door body 40 by judging the state of inclination of the installation surface detected by the acceleration sensor 45. Specifically, when the installation surface is tilted forward or backward less than a predetermined value (for example, 0.5 degrees or more and less than 2 degrees), the moving speed of the door body 40 is controlled to be slightly slower than usual. To do.
  • a predetermined value for example, 0.5 degrees or more and less than 2 degrees
  • the control unit 44 can notify the user via, for example, a notification unit, and prompt a response such as repair of the installation surface. Thereby, generation
  • control unit 44 performs control so that the drive motors 52 and 56 cannot be driven when the inclination of the installation surface detected by the acceleration sensor 45 is a predetermined value or more (for example, 2 degrees or more). May be.
  • a predetermined value or more for example, 2 degrees or more.
  • the acceleration sensor 45 may be configured to detect vibration generated when the cleaning water collides with the inner wall of the cleaning tank 33 during the cleaning operation.
  • the control unit 44 can easily determine the situation in the cleaning tank 33 described below from the direction and magnitude of acceleration due to vibration detected by the acceleration sensor 45. Specifically, it can be determined whether or not the cleaning pump 50 is operating normally and whether or not the cleaning nozzle 48 is rotating normally. Further, it is possible to determine whether or not the cleaning water is sprayed from any of the plurality of cleaning nozzles 48 and how much the tableware 36 is accommodated. Accordingly, it is possible to improve the cleaning efficiency by finding the malfunction of the operation at an early stage or applying it to the cleaning nozzle injection method.
  • control unit 44 may determine that the drive motors 52 and 56 or the acceleration sensor 45 are out of order in the situation described below, and notify the abnormality. Specifically, when a signal for driving the drive motors 52 and 56 is output, the control unit 44 notifies the abnormality in a case where a predetermined output from the acceleration sensor 45 is not input. As a result, it is possible to easily notify the user of an abnormality in the drive system and prompt a response.
  • control unit 44 may perform control so that the cleaning tank 33 is pulled out when an abnormality of the acceleration sensor 45 such as an erroneous output is detected. According to this control, it is possible to avoid the problem that the acceleration sensor 45 cannot detect the knock by the user and the cleaning tank 33 is not pulled out. Furthermore, the control unit 44 can notify the user of an abnormality of the acceleration sensor 45 via a notification unit or the like.
  • the notification unit is provided in the operation unit 46, for example, and notifies the user or the like of the start of operation of the drive device 51, the occurrence of an abnormality, and the like.
  • the notification unit is configured to aurally notify with a synthesized sound such as voice or buzzer. Thereby, it is possible to easily notify the user in the vicinity of the dishwasher of the operation state of the dishwasher.
  • the control unit 44 starts the notification after a predetermined time T5 has elapsed since the acceleration sensor 45 detects vibration due to knock or the like.
  • the predetermined time T5 is preferably 0.1 to 0.6 seconds.
  • the predetermined time T5 is less than 0.1 seconds, the sound due to the knocking and the sound of the first part of the notification sound are heard overlapping. Therefore, since it is difficult for the user to hear the sound of the notification unit, the determination is difficult.
  • the predetermined time T5 exceeds 0.6 seconds, the user listens to the sound of the notification unit with the extended impression, so that it may be difficult to make an accurate determination.
  • the notification unit may be configured to notify the user of an error code display or the like by a combination of blinking lamps such as LEDs or lighting of a plurality of lamps.
  • the cleaning tank 33 may be automatically pulled out when an abnormality occurs.
  • the occurrence of abnormality is assumed to be, for example, water leakage, water level abnormality, or a large amount of detergent bubbles. Therefore, it is detected by a detection method corresponding to each abnormal state, and the cleaning tank 33 is automatically pulled out. Thereby, it is possible to visually notice the occurrence of abnormality in the user.
  • the configuration in which the washing tank 33 is automatically pulled out is particularly preferable. Thereby, the user can easily check the error code or LED display displayed on the pulled out operation unit 46.
  • the drawing amount of the cleaning tank 33 is not particularly limited as long as the operation unit 46 can be visually recognized.
  • a remote controller (not shown) that transmits an operation signal to the dishwasher may be separately provided.
  • the control unit 44 receives various operation signals transmitted from the remote controller. And based on the received operation signal, the control part 44 controls each part.
  • the control unit 44 detects a predetermined signal transmitted from the remote controller. And the control part 44 drives the drive motors 52 and 56 based on the received predetermined signal, and moves the washing tank 33.
  • FIG. According to this configuration, the user can freely operate the dishwasher from a position away from the dishwasher according to the time to be washed. This further improves the convenience of the dishwasher.
  • each embodiment disclosed above may combine the structure of each embodiment which can be combined, without being specifically limited. Thereby, the same effect is acquired.
  • the dishwasher of the present invention includes a housing having a front opening on the front surface, a tableware basket that is detachably provided in the housing and accommodates tableware, and a door that covers the front opening.
  • a moving part is provided.
  • the dishwasher includes a support mechanism for supporting the moving unit on the housing in a state where the moving unit can move back and forth, a driving device having a driving unit for moving the moving unit at least in the forward or backward direction, and at least the driving unit.
  • the control part which controls the drive of this by time is provided.
  • the control unit is configured to stop after driving the driving unit for a predetermined time.
  • the dishwasher can automatically pull out the moving part by the driving device to the position where the dish can be accommodated even when the door covering the front surface does not have the operation part. This improves the usability of the dishwasher. Furthermore, it can be easily adapted to diversified system kitchen designs.
  • the dishwasher of the present invention may be configured to stop the driving of the driving unit when the control unit detects the stop of the moving unit during movement.
  • the dishwasher can automatically pull out the moving unit by the driving device to the position where the tableware can be stored even when the door covering the front surface has no operation unit. This improves the usability of the dishwasher. Furthermore, it can be adapted to the design of the diversified system kitchen.
  • the time during which the driving unit is locked is shortened. Therefore, an excessive load is not applied to the drive unit. Furthermore, even when the moving unit collides with an obstacle and stops, it is possible to prevent the occurrence of a defect with respect to the obstacle.
  • the dishwasher of the present invention may be configured such that the control unit monitors the current of the driving unit and detects the stop of the moving unit by the change of the current. According to this configuration, the control unit detects an increase in current that occurs when the moving unit stops due to some load. Thereby, the control part can stop a drive part in a short time.
  • the dishwasher of the present invention includes a sensor for detecting acceleration, and the control unit is configured to monitor the acceleration of the moving unit by the sensor and detect the stop of the moving unit by the magnitude or change of the acceleration. May be. According to this configuration, the control unit detects the magnitude or change of acceleration when the moving unit stops due to some load. Thereby, the control part can stop a drive part in a short time.
  • the dishwasher of the present invention may be configured to stop the driving unit when the control unit detects contact with an obstacle or generation of a load while the moving unit is moving. According to this structure, generation
  • the dishwasher of the present invention is configured so that the control unit monitors the current of the driving unit and detects the occurrence of contact with an obstacle or the occurrence of a load while the moving unit is moving due to a change in the current. Also good. According to this configuration, the control unit detects an increase in current when the moving unit is in contact with an obstacle or a load is generated. Thereby, the control part can stop a drive part in a short time.
  • the dishwasher of the present invention is configured such that the sensor detects vibration by acceleration, and the control unit monitors the acceleration of the moving unit by the sensor, and the obstacle is detected while the moving unit is moving due to a change in acceleration. You may comprise so that generation
  • the control unit detects a change in acceleration when the moving unit is contacted with an obstacle or a load is generated. Thereby, the control part can stop a drive part in a short time.
  • the drive device has a drive unit, a pinion gear driven by the drive unit, and a rack gear that meshes with the pinion gear, and the drive unit has the pinion gear positioned near the front opening.
  • the rack gear may be fixed to the support mechanism, and the rack gear may be fixed to the support mechanism. According to this configuration, when the moving unit moves forward and is pulled out and is in a front-lowering state, the vicinity of the pinion gear provided at the front serves as a fulcrum. Thereby, the possibility that the rack gear and the pinion gear are disengaged is low. Therefore, when a mechanism that does not disengage is provided separately, the mechanism can be configured simply.
  • the drive device has a drive unit, a pinion gear driven by the drive unit, and a rack gear meshing with the pinion gear, the drive unit is fixed to the rear part of the support mechanism, and the rack gear is It may be configured to be fixed inside the housing. According to this configuration, in the arrangement of the signal line and the power supply line from the control unit to the drive unit, only the processing on the support mechanism side is required without being routed to the housing side. Therefore, design and assembly are facilitated, and maintenance workability is improved.
  • the driving device includes a driving unit and a roller driven by the driving unit, and the outer peripheral surface of the roller is configured to press-contact with a pressing rail provided in the support mechanism. May be.
  • the dishwasher can automatically pull out the moving unit by the driving device to the position where the tableware can be stored even when the door covering the front surface has no operation unit. This improves the usability of the dishwasher. It can also be easily adapted to diversified system kitchen designs. Furthermore, at the time of assembly, it is not necessary to worry about the meshing of gears as in the rack and pinion type, and the assembly becomes easy.
  • the dishwasher of the present invention may be configured such that the driving device moves the moving unit at a moving speed of 150 mm / second to 250 mm / second. According to this configuration, the dishwasher can automatically pull out the moving unit by the driving device to the position where the tableware can be stored even when the door covering the front surface has no operation unit. This improves the usability of the dishwasher. It can also be easily adapted to diversified system kitchen designs. In addition, it is possible to give the user high satisfaction without feeling dissatisfied with the moving speed of the moving unit.
  • the dishwasher of the present invention may be configured such that the driving device moves the moving unit with a kinetic energy of 0.5 J or less. According to this configuration, even if the moving part is in contact with an obstacle such as a person while moving, or even when a person's hand or finger is pinched during storage, the impact can be mitigated. This improves the safety of the dishwasher.
  • the dishwasher of the present invention may be configured such that the control unit drives the drive unit with two or more steps of different voltages. According to this configuration, it is possible to reduce a shock applied to the stored tableware when stopped. Thereby, generation
  • the dishwasher control unit of the present invention may be configured to shut off the motor circuit when the drive unit is stopped. According to this configuration, when the user manually moves the moving unit, an abnormal voltage is applied to the printed circuit board of the control unit due to the back electromotive force generated by the idling of the driving unit due to the disconnection from the motor circuit. Can be prevented. Thereby, while being able to reduce the burden on the user at the time of manual operation, a highly reliable dishwasher can be realized.
  • the dishwasher control unit of the present invention may be configured to drive the driving unit to a position where the dish basket is substantially fully opened in the upward direction. According to this configuration, the moving unit can be automatically pulled out by the driving unit. For this reason, the user can easily put in and out the dishes without requiring manual labor.
  • the dishwasher of the present invention may include a remote controller that transmits an operation signal, and the control unit may be configured to drive the drive unit when detecting a predetermined operation signal from the remote control. According to this configuration, the user can operate the dishwasher from a location away from the dishwasher. This further improves the convenience of the dishwasher.
  • the dishwasher of the present invention can be easily pulled out and stored in the washing tub and can perform a washing operation even if a decorative plate without an operation unit or a handle is attached to improve the design. Therefore, it is useful as a dishwasher that is built-in and used in the system kitchen and that requires design uniformity.

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  • Washing And Drying Of Tableware (AREA)
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JP2022058795A (ja) 2022-04-12
JPWO2018110286A1 (ja) 2019-10-24
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CN110072424B (zh) 2022-04-19
JP2023118934A (ja) 2023-08-25
JP7316501B2 (ja) 2023-07-28
JP7685693B2 (ja) 2025-05-30

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