WO2006112189A1 - Unite d'entrainement d'un corps mobile et dispositif de tiroir automatique utilisant celle-ci - Google Patents

Unite d'entrainement d'un corps mobile et dispositif de tiroir automatique utilisant celle-ci Download PDF

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Publication number
WO2006112189A1
WO2006112189A1 PCT/JP2006/304347 JP2006304347W WO2006112189A1 WO 2006112189 A1 WO2006112189 A1 WO 2006112189A1 JP 2006304347 W JP2006304347 W JP 2006304347W WO 2006112189 A1 WO2006112189 A1 WO 2006112189A1
Authority
WO
WIPO (PCT)
Prior art keywords
drawer
drive unit
body drive
advance
obstacle
Prior art date
Application number
PCT/JP2006/304347
Other languages
English (en)
Japanese (ja)
Inventor
Atsushi Nakazato
Soichi Sasaki
Jun Furukawa
Yoshifumi Nagato
Original Assignee
Cleanup Corporation
Thk 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 Cleanup Corporation, Thk Co., Ltd. filed Critical Cleanup Corporation
Priority to JP2007521122A priority Critical patent/JP5059606B2/ja
Priority to EP06728716.9A priority patent/EP1870000B1/fr
Publication of WO2006112189A1 publication Critical patent/WO2006112189A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/457—Actuated drawers operated by electrically-powered actuation means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/635—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/635—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements
    • E05F15/641—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements operated by friction wheels
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/214—Disengaging means
    • E05Y2201/216—Clutches
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/23—Actuation thereof
    • E05Y2201/246—Actuation thereof by auxiliary motors, magnets, springs or weights
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/46—Magnets
    • E05Y2201/462—Electromagnets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/674—Friction wheels
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • the present invention is provided between a pair of members that reciprocate relatively along a predetermined direction, such as sliding doors in joinery and drawers in furniture, and the like, for relatively moving these members back and forth.
  • the present invention relates to a moving body drive unit and an automatic drawer using the same.
  • a movable member such as a drawer is arranged so as to be able to advance and retract with respect to a fixed frame body such as furniture, and a rack is provided on the movable member along the advancing and retreating direction, and the gear meshes with this rack. Is provided on the fixed frame body, and the gear is rotated in accordance with a user's switch operation, so that advancing and retreating movement according to the rotation direction of the gear is given to the drawer.
  • a measuring device that detects the direction and magnitude of force is attached to the grip of the bow I that the user grips so that the user can operate the switch intuitively.
  • the gear is rotated in accordance with the output signal of the powerful measuring device, and the drawer can be automatically opened and closed.
  • Patent Document 1 Japanese Unexamined Patent Publication No. 2003-189955
  • Patent Document 2 Japanese Patent Laid-Open No. 2003-334120
  • the present invention has been made in view of such problems, and an object thereof is a moving body drive unit for moving a movable member such as a drawer along a predetermined advancing / retreating path, Even if there is an obstacle on the advancing / retreating path of the powerful movable member, the moving / recessing movement immediately stops when the movable member collides with the obstacle, and the obstacle or the movable member itself is damaged. It is an object of the present invention to provide a moving body drive unit capable of preventing the occurrence of problems and ensuring sufficient safety for users and the like.
  • Another object of the present invention is an automatic drawer device that opens and closes a drawer using the moving body drive unit. When the drawer comes into contact with an obstacle, the drawer is immediately advanced or retracted.
  • An object of the present invention is to provide an automatic drawer device that stops and prevents damage to obstacles and the drawer itself, and can sufficiently ensure the safety of users and the like.
  • the present invention relates to a mobile drive unit that moves forward and backward.
  • the movable body drive unit moves the second member forward and backward relative to the first member
  • the movable body drive unit moves forward and backward together with the second member with the first member as a fixed side.
  • the second member may be the fixed side, and the moving body drive unit may advance or retract only the first member relative to the second member.
  • the moving body drive unit includes a transport roller that presses against a running surface provided on the first member, a drive unit that rotationally drives the transport roller in a forward direction or a reverse direction, and the drive unit.
  • User input means for instructing advancement / retraction of the second member, control means for generating a drive signal of the drive means in response to an input signal of the user input means, and the first member and the second member It is provided with failure detection means for determining whether or not a failure has occurred in the relative advance and retreat, and instructing the control means to stop the drive means when it is determined that there is a failure.
  • the failure detection means detects this, and if it is determined that there is a failure, it instructs the control means to stop the drive means.
  • the driving means is stopped regardless of the input signal of the user input means, the rotation of the transport roller is stopped, and the movement of the second member relative to the first member is stopped. As a result, damage to these members due to contact between the second member and the obstacle can be prevented.
  • the first member is a fixed frame body such as furniture and the second member is a drawer that advances and retreats relative to the fixed frame body
  • a finger is accidentally pinched between the drawer and the fixed frame body.
  • the drawer stops immediately, it is possible to prevent the stubborn finger pinching from becoming important.
  • the failure detection means any device capable of determining whether or not a failure has occurred in the relative advance and retreat of the first member and the second member is acceptable. If there is a speed detection means for detecting the advance / retreat speed of the second member relative to the other member, and the output signal force of the applied speed detection means is also judged to be faulty when it is determined that the advance / retreat speed of the second member has significantly decreased. Can be configured to judge.
  • the speed detection means a rotary encoder that rotates according to the advance / retreat amount of the second member, a linear encoder that reads the magnetic scale attached to the first member as the second member moves, etc.
  • the output signal force of these encoders can also grasp the advance / retreat speed of the second member.
  • the failure detection means when the drive means is an electric motor, the occurrence of a failure may be detected from fluctuations in the current value flowing through the motor.
  • the obstacle detection means in order to directly detect contact with an obstacle, a pressure sensor is provided before and after the second member in the advancing / retreating direction. A measure to determine the presence or absence of a failure from the change in the signal can be considered.
  • the obstacle detection means determines that there is an obstacle and instructs the control means to stop the driving means
  • the first member or the second member hits the obstacle. If it stops in a state where it is in a state where it is difficult to remove obstacles, it will be difficult.
  • the obstacle detecting means determines that there is an obstacle and the driving means stops
  • the first member or the second member is immediately put on the obstacle after the hard stop. Force separation is preferred.
  • the conveying roller is intentionally reversed in order to separate the first member or the second member from the obstacle force, the configuration of the control unit that generates the drive signal of the drive means is the result of performing the above control. It becomes complicated.
  • Driving means force Absorbs at least a part of the rotational force transmitted to the transport roller and uses the reaction force of the absorbed rotational force to stop the first member or the second member as an obstacle as the driving means stops. It is preferable to provide an absorption repulsion means for separating from the distance.
  • the absorption repulsion means for example, it is conceivable to cover the surface of the conveying roller with a soft elastic layer, or to provide an elastic joint in the power transmission path from the driving means to the conveying roller.
  • the absorption means is stopped when the driving means is stopped by a command from the obstacle detection means. Since the rotational force absorbed by the repulsion means is released as a reaction force, the first member or the second member that has been hitting the obstacle is slightly retracted in the direction of separating the obstacle force. become. This makes it possible to eliminate the state where the first member or the second member hits an obstacle without performing any special control on the driving means. For example, it seems that a finger is caught. Even in this case, it is possible to release the finger immediately.
  • the drive means force is included in the transmission path of the rotational power reaching the conveying roller.
  • an electromagnetic clutch is provided, and the control means is configured so that the conveying roller is also disconnected from the driving means simultaneously with the stop of the driving means. According to such a configuration, it is possible to reduce the load accompanying the reversal of the conveyance port roller, and to smoothly retract the obstacle force of the first member or the second member by the absorption repulsion means. Is possible.
  • the electromagnetic clutch cuts off the connection between the conveying roller and the driving means when the driving means is stopped, the user can manually use the first member without using the moving body driving unit of the present invention. Can be moved relative to the second member, contributing to convenience. It becomes possible to do.
  • an automatic drawer device that can open and close various drawers such as a system kitchen and furniture by a switch operation can be easily configured.
  • the opening / closing operation is automatically stopped, the obstacle or the drawer itself is damaged, or the user's finger Troubles such as pinching can be avoided.
  • FIG. 1 is a plan view showing an example of an automatic drawer equipped with a moving body drive unit of the present invention.
  • FIG. 2 is a side sectional view of the automatic drawer shown in FIG.
  • FIG. 3 is a cross-sectional view showing details of a moving body drive unit.
  • FIG. 4 is a schematic diagram showing a configuration of a position switch mounted on a moving body drive unit.
  • FIG. 5 is an enlarged cross-sectional view showing an example of speed detection means mounted on the moving body drive unit.
  • FIG. 6 is a cross-sectional view showing a rotary encoder in the speed detecting means shown in FIG.
  • FIG. 7 is a block diagram showing a control system of a mobile unit drive unit.
  • FIG. 8 is a flowchart showing a processing procedure for drawer stop control.
  • FIG. 9 is a block diagram showing another example of the control system of the moving body drive unit.
  • FIG. 1 and FIG. 2 are a plan view and a side sectional view showing an automatic drawer 1 to which a moving body drive unit of the present invention is attached.
  • This automatic drawer device 1 is a solid formed in a box shape. From the fixed frame 2, the drawer 3 that is inserted into and removed from the fixed frame 2 in the horizontal direction of the paper, and the movable body drive unit 10 that moves the bow I protrusion 3 forward and backward relative to the fixed frame 2. It is configured so that the powerful mobile drive unit 10 moves the drawer 3 forward and backward according to the switch operation.
  • the drawer 3 is supported on the fixed frame 2 via a pair of slide devices 4a and 4b.
  • the slide devices 4a and 4b include, for example, an outer rail fixed to the fixed frame 2 side, an inner rail fixed to the drawer 3 side, and a large number of balls that roll while applying a load between these rails.
  • the drawer 3 can be freely advanced and retracted with respect to the fixed frame 2 with an extremely light force.
  • the slide devices 4a and 4b can be used by appropriately selecting a configuration of a known slide device.
  • the movable body drive unit 10 is fixed to the back plate 3 a of the drawer 3 and has a transport roller 11 that runs on the bottom plate 2 a of the fixed frame 2, and rotates the transport roller 11.
  • the movable body drive unit 10 is configured so as to automatically run on the bottom plate 2 a of the fixed frame 2 together with the drawer 3.
  • a non-slip sheet 12 having a roughened surface is attached to the traveling region of the conveyance roller 11 on the bottom plate 2a.
  • a power cord 13 extends from the back plate 2 b of the fixed frame 2 to the moving body drive unit 10, and power is supplied to the moving body drive unit 10.
  • a curl cord is used, and the power cord 13 is configured to expand and contract in accordance with opening and closing of the drawer 3.
  • the front panel 3b of the drawer 3 is provided with a switch panel 14 as a user input means, and an operation command is given to the moving body drive unit 10 by operating the powerful switch panel 14. It has become.
  • the switch panel 14 may be provided with a push button corresponding to each operation of opening, closing and stopping of the drawer 3, or input a drawing operation according to the number of times of pressing. It may be the type to obtain.
  • the switch panel 14 does not necessarily need to be attached to the front plate 3b of the drawer 3. According to the arrangement of the drawer 3 to be operated, the switch panel 14 is provided on the fixed frame 2 side connected to the drawer 3 side as a moving body. Also good. In addition, the switch panel 14 may be configured as a foot switch operated with the tip of a foot. Foot switch If this is the case, the drawer 3 can be opened even when the article to be stored in the drawer 3 is held with both hands, which is excellent in convenience.
  • FIG. 3 is a front sectional view showing an example of the moving body drive unit 10.
  • This unit 10 includes a casing 15 fixed to the back plate 3a of the drawer 3, a transport roller 11 rotatably supported with respect to the casing 15, and an electric motor as a driving means fixed to the casing 15.
  • An electromagnetic clutch 18 interposed, and by energizing the electromagnetic clutch 18, the electric motor 16 and the gear train 17 are connected to transmit the rotational force of the electric motor 16 to the transport roller 11. Now that you can! A DC motor is used as the electric motor 16.
  • the rotation direction of the electric motor 16 is reversed and the rotation direction of the conveying roller 11 is switched. be able to.
  • the electromagnetic clutch 18 is interposed in the power transmission path from the electric motor 16 to the transport roller 11 in this way when the user manually opens and closes the drawer 3 without using the moving body drive unit 10. In order to reduce the operational feeling. If the electric motor 16 and the transport roller 11 are directly connected via the gear train 17 without the electromagnetic clutch 18, the transport roller can be opened and closed manually without turning on the electric motor 16. 11 rotates the electric motor 16 and the opening and closing of the drawer 3 becomes heavy.
  • the surface of the transport roller 11 is provided with a soft elastic body layer 19 such as urethane rubber.
  • a soft elastic body layer 19 such as urethane rubber.
  • the soft elastic body layer 19 is slightly By being pushed, slip between the conveying roller 11 and the bottom plate 2a is prevented.
  • the rotation of the conveying roller 11 is directly supported by the casing 15.
  • a saddle plate supported by a spring is provided for the casing 15, and the conveying roller 11 is supported by this saddle plate. You may do it. That is, with the configuration using such a saddle plate, even when the conveyance roller 11 is inclined with respect to the bottom plate 2a of the fixed frame 2, the conveyance roller 11 is made to expand and contract by the expansion and contraction of the spring. Between the transport roller 11 and the bottom plate 2a. It is possible to more reliably prevent the occurrence of slip.
  • the moving body drive unit 10 has a terminal position when the drawer 3 is advanced and retracted, that is, a state in which the drawer 3 is completely stored in the fixed frame 2, and is completely pulled out from the fixed frame 2.
  • a pair of position switches 20a, 20b for detecting the contact state are provided before and after the moving direction of the drawer.
  • Figure 4 shows the details of these position switches.
  • Movable blocks 2 la and 21 b are respectively provided on the front surfaces of the actuators of the position switches 20 a and 20 b, and these movable blocks 21 a and 21 b are held so as to be movable up and down with respect to the casing 15.
  • switch dogs 22a and 22b are fixed to the bottom plate 2a of the fixed frame 2 corresponding to both ends of the forward / backward stroke of the drawer 3, and when the drawer 3 is completely closed, the movable block 21a is moved to the switch dog.
  • the movable block 21b rides on the switch dog 22b when the drawer 3 is fully opened.
  • the moving body drive unit 10 is provided with speed detecting means 5 for detecting the moving speed of the drawer 3.
  • the speed detection means 5 includes a detection roller 50 rotatably supported by the casing 15, and a rotary encoder 51 that outputs a signal corresponding to the rotation speed of the detection roller 50. It is composed of
  • the single encoder 51 includes a transmission type photosensor 52 in which a light emitting element and a light receiving element are opposed to each other with a detection space 52a interposed therebetween, and a gap between the light emitting element and the light receiving element inserted in the detection space 52a.
  • the disc dog 53 is configured to block the optical path, and the disc dog 53 is fixed to the rotation shaft 50 a of the detection roller 50.
  • the disk dog 53 has many The slits 53a are radially formed at equal intervals, and each time these slits 53a pass through the detection space 52a of the photosensor 52, an optical path is formed between the light emitting element and the light receiving element.
  • the output signal of the photo sensor 52 changes every time. Accordingly, when the drawer 3 is moved back and forth with respect to the fixed frame 2, the detection roller 50 travels on the bottom plate 2 a of the fixed frame 2 and the output of the photosensor 52 is output at a speed corresponding to the rotation speed of the detection roller 50. The on / off state of the signal will change.
  • the detection roller 50 is not necessarily provided.
  • the drawer 3 detects the advancing / retreating speed of the drawer 3 with respect to the fixed frame 2, and the disk dog 53 is also provided with a viewpoint power. You may make it fix directly with respect to the rotating shaft of the conveyance roller 11.
  • the transport roller 11 is supplied with rotational torque for causing the drawer 3 to advance and retreat from the electric motor 16, and the transport roller 11 may slip against the bottom plate 2a of the fixed frame 2. Therefore, from the viewpoint of more accurately grasping the moving speed of the drawer 3, it is preferable to provide the detection roller 50 separately from the transport roller 11 as described above, and fix the disc dog 53 to the detection roller 50.
  • the surface of the detection roller 50 is preferably covered with a material having a high friction coefficient such as rubber.
  • a similar output signal can be obtained even if a force linear encoder using a rotary encoder 51 is used as the speed detecting means 5.
  • linear scales with physical marks at regular intervals are affixed to the bottom plate 2a of the fixed frame 2, and the read head fixed to the casing 15 reads the linear scale marks as the drawer 3 moves. If you make up,
  • FIG. 7 is a block diagram showing a control system of the moving body drive unit 10.
  • a control unit 6 in the drawing includes an LSI as a microcomputer, and controls the rotation of the electric motor 16 in accordance with output signals from the switch panel 14, position switches 20a and 20b, and the rotary encoder 51, and the electromagnetic clutch. 18 operations are controlled.
  • the control unit 6 is supplied with power from the power source 7 via the power cord 13! RU
  • the control unit 6 can grasp whether the drawer 3 is in the open state or the closed state by checking the input signals of the pair of position switches 2 Oa and 20b. Nevertheless, when an opening instruction is input from the switch panel 14, no voltage is applied to the electric motor 16 and the electromagnetic clutch 18, and the stopped state is maintained as it is. The same applies when a blockage instruction is input from the switch panel 14 despite the blockage.
  • the control unit 6 counts the number of output signals of the rotary encoder 51 per unit time, and when the powerful count value becomes a predetermined value or less, regardless of the input state by the switch panel 14, Stop applying voltage to the electric motor 16 and the electromagnetic clutch 18. Since the rotary encoder 51 outputs a pulse signal at a speed corresponding to the moving speed of the drawer 3, the number of output signals of the rotary encoder 51 per unit time has changed below a predetermined value. Means that the drawer 3 is extremely lowered, and problems such as the drawer 3 being locked by an obstacle are expected. Therefore, in this case, the voltage application to the electric motor 16 and the electromagnetic clutch 18 is immediately stopped, and the rotation of the transport roller 11 is stopped. That is, in this moving body drive unit 10, the speed detection means 5 and the control unit 6 constitute a failure detection means that is one configuration of the present invention.
  • FIG. 8 is a flowchart showing a control procedure regarding the stop of the conveying roller 11, and while the control unit 6 is applying a voltage to the electric motor 16, it is always regardless of the moving direction of the drawer 3. Perform this procedure.
  • the control shown in this flowchart is started in the control unit 6, and first, by checking the input signal of the rotary encoder 51, the moving speed of the drawer 3 is predetermined. Check if the force drops below the speed (ST1). This predetermined speed is determined by the rotation of the transport roller 11. It is set to be low with a margin for the movement speed of the I feedout 3 that occurs. Whether or not the moving speed drops below a predetermined speed is determined by counting the number of signal outputs per unit time of the rotary encoder 51 as described above, and comparing whether or not this count is less than the predetermined value. To find out.
  • the soft elastic layer 19 that covers the surface of the transport roller 11 constitutes the absorption repulsion means of the present invention.
  • the retraction amount of the drawer 3 depends on the amount of strain generated in the soft elastic layer 19. For example, if the soft elastic layer 19 becomes thicker, the soft elastic layer 19 generates more strain accordingly. Therefore, the retraction amount of the drawer 3 when the distortion is released increases.
  • this absorption repulsion means is not necessarily limited to the flexible layer 19 that covers the transport roller 11, and for example, an elastic joint is interposed between the gear 17 c and the transport roller 11 to pull out by an obstacle. At the time of locking, a part of the rotational force of the electric motor 16 may be absorbed by elastic deformation of the resilient elastic joint.
  • FIG. 9 is a block diagram showing the control system in that case. An ammeter 8 is provided between the control unit 6 and the electric motor 16, and the output signal of the ammeter 8 is compared with a predetermined value in the control unit 6.

Landscapes

  • Drawers Of Furniture (AREA)

Abstract

L'invention concerne un dispositif de tiroir automatique dans lequel l'avance et le retrait d'un tiroir (3) sont stoppés lorsque le tiroir est en contact avec un obstacle et dans lequel la sécurité d'un utilisateur etc. est suffisamment garantie. Le dispositif de tiroir automatique est constitué d'un corps de châssis fixe (2), du tiroir (3) pouvant être avancé et repoussé par rapport au corps de châssis fixe (2) et d'une unité d'entraînement de corps mobile (10) amenant le tiroir (3) à être avancé et repoussé par rapport au corps de châssis fixe (2). L'unité d'entraînement de corps mobile (10) comporte un galet de transport (11) destiné à déplacer le tiroir (3), un moyen d'entraînement (16) destiné à entraîner en le faisant tourner le galet de transport (11), un moyen de commande (6) destiné à générer un signal d'entraînement du moyen d'entraînement (16) et un moyen de détection d'obstacle (5, 6) destiné à déterminer s'il existe un obstacle pour l'avance et le retrait du tiroir (3) et, lorsqu'il est déterminé qu'il existe un obstacle, à envoyer un ordre au moyen de commande (6) afin de stopper le moyen d'entraînement (16).
PCT/JP2006/304347 2005-03-31 2006-03-07 Unite d'entrainement d'un corps mobile et dispositif de tiroir automatique utilisant celle-ci WO2006112189A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007521122A JP5059606B2 (ja) 2005-03-31 2006-03-07 移動体駆動ユニット及びこれを用いた自動引き出し装置
EP06728716.9A EP1870000B1 (fr) 2005-03-31 2006-03-07 Unite d'entrainement d'un corps mobile et dispositif de tiroir automatique utilisant celle-ci

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005101396 2005-03-31
JP2005-101396 2005-03-31

Publications (1)

Publication Number Publication Date
WO2006112189A1 true WO2006112189A1 (fr) 2006-10-26

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PCT/JP2006/304347 WO2006112189A1 (fr) 2005-03-31 2006-03-07 Unite d'entrainement d'un corps mobile et dispositif de tiroir automatique utilisant celle-ci

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Country Link
EP (1) EP1870000B1 (fr)
JP (1) JP5059606B2 (fr)
WO (1) WO2006112189A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009063217A (ja) * 2007-09-06 2009-03-26 Hitachi Appliances Inc 引き出し式機器
JP2014505561A (ja) * 2011-02-21 2014-03-06 ユリウス ブルム ゲー エム ベー ハー 家具駆動装置
KR20230049484A (ko) * 2021-10-06 2023-04-13 네이버랩스 주식회사 배송 로봇

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JP2009063217A (ja) * 2007-09-06 2009-03-26 Hitachi Appliances Inc 引き出し式機器
JP2014505561A (ja) * 2011-02-21 2014-03-06 ユリウス ブルム ゲー エム ベー ハー 家具駆動装置
KR20230049484A (ko) * 2021-10-06 2023-04-13 네이버랩스 주식회사 배송 로봇
KR102554412B1 (ko) * 2021-10-06 2023-07-11 네이버랩스 주식회사 배송 로봇

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EP1870000A1 (fr) 2007-12-26
JP5059606B2 (ja) 2012-10-24

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