WO2010041310A1 - Display device - Google Patents

Display device Download PDF

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Publication number
WO2010041310A1
WO2010041310A1 PCT/JP2008/068235 JP2008068235W WO2010041310A1 WO 2010041310 A1 WO2010041310 A1 WO 2010041310A1 JP 2008068235 W JP2008068235 W JP 2008068235W WO 2010041310 A1 WO2010041310 A1 WO 2010041310A1
Authority
WO
WIPO (PCT)
Prior art keywords
display
plate
unit
lid
motor
Prior art date
Application number
PCT/JP2008/068235
Other languages
French (fr)
Japanese (ja)
Inventor
熊谷正行
鈴木征人
Original Assignee
パイオニア株式会社
パイオニアシステムテクノロジー株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by パイオニア株式会社, パイオニアシステムテクノロジー株式会社 filed Critical パイオニア株式会社
Priority to PCT/JP2008/068235 priority Critical patent/WO2010041310A1/en
Publication of WO2010041310A1 publication Critical patent/WO2010041310A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/09—Control elements or operating handles movable from an operative to an out-of-the way position, e.g. pedals, switch knobs, window cranks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Arrangement of adaptations of instruments
    • B60K35/22—
    • B60K35/53—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
    • B60R11/0235—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes of flat type, e.g. LCD
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
    • B60R2011/0003—Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
    • B60R2011/0005—Dashboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/008—Adjustable or movable supports
    • B60R2011/0082—Adjustable or movable supports collapsible, e.g. for storing after use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/008—Adjustable or movable supports
    • B60R2011/0085—Adjustable or movable supports with adjustment by rotation in their operational position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/008—Adjustable or movable supports
    • B60R2011/0092—Adjustable or movable supports with motorization

Definitions

  • the present application belongs to the technical field of an in-vehicle display device such as a car navigation system that is mounted on a dashboard of a vehicle, for example, in which audio, visual functions, and navigation functions are integrated.
  • Patent Documents 1 and 2 for example, in-vehicle display devices mounted on vehicle dashboards and the like.
  • Patent Document 1 includes a display that can be moved between a storage position stored in a storage portion of a vehicle and a use position protruding from the storage portion, and the display includes the storage position and the use position.
  • a vehicle-mounted monitor device configured to cover the storage portion with a vehicle-side cover member when the display is in a storage position.
  • a separate body is configured such that when the display moves from the storage position toward the use position, a part of the display comes into contact with the lid member to push open the lid member.
  • the coupling means causes a non-uniform connection between the movement of the display unit and the movement of the cover.
  • the relative proportion of the driving movement already progressed by the display unit relative to the driving movement that the display unit wants to make progress, and the cover, relative to the driving movement that you want to make progress overall The ratio between the relative proportion of the running movements already advanced by the cover is adapted to change.
  • the passenger may hit the display.
  • an occupant protection device such as an airbag is provided, and the airbag is inflated by an impact on the vehicle.
  • the present application has been made in consideration of the above-mentioned circumstances, and an example of the problem is to provide a display device that is intended for safety measures for passengers in the vehicle.
  • a display device stores a base, a display unit rotatably attached to one end side of the base via a first shaft, and the display unit
  • a display device for a moving body comprising: a first motor that opens and closes between a position and a use position; and a drive control means for driving and controlling the first motor.
  • a release means for releasing the holding of the display unit.
  • FIG. 6 is a right side view of FIG. 5.
  • FIG. 6 is a perspective view showing the storage state of FIG. 5.
  • FIG. 8 is a right side view of FIG. 7.
  • FIG. 8 is a plan view showing an arrangement of drive motors, gears, and the like in FIG. 7.
  • FIG. 16 is a side view of FIG. 15.
  • Vehicle display device 2 Dashboard 10: Device main body 11: Cover 12: Case 21: Chassis 22: Rotating shaft 23: Display 24: Display plate 25: Rotating shaft 26: Cover plate 27: Guide pin 28: Guide plate 30: Guide groove 31: Locking part 31a, 31b, 31c: Locking groove 40: Drive part 41: Drive motor 60: Drive part 61: Drive motor
  • FIG. 1 is a schematic view showing the inside of a vehicle on which the in-vehicle display device of one embodiment of the present application is mounted.
  • the in-vehicle display device 1 of the present embodiment as a display device is attached to an opening 2 a formed in a dashboard 2 of a vehicle.
  • a steering wheel 3, a meter panel 4, a windshield 5, a rearview mirror 6, a shift knob 7, a left door 8, and a right door 9 are disposed around the in-vehicle display device 1.
  • the in-vehicle display device 1 of the present embodiment closes the cover when not in use and is completely stored in the same plane as the dashboard 2, while opening the cover when in use and the position where the display can be viewed. To protrude.
  • FIG. 2 is a perspective view showing an in-vehicle display device according to an embodiment of the present application
  • FIG. 3 is a perspective view showing a cover of the in-vehicle display device in FIG. 2
  • FIG. 4 is a perspective view showing a case of the in-vehicle display device in FIG. 5 is a perspective view showing a use state in which a cover and a case are removed from the in-vehicle display device of FIG. 2
  • FIG. 6 is a right side view of FIG. 5
  • FIG. 7 is a perspective view showing a storage state of FIG. 8 is a right side view of FIG. 7,
  • FIG. 9 is a plan view showing the arrangement of the drive motor, gears and the like of FIG.
  • the display side is defined as the front (front) side
  • the cover side is defined as the back (rear) side
  • the direction in which the display and the cover open and protrudes is described as upward.
  • the in-vehicle display device 1 includes a device body 10, a synthetic resin cover 11 attached to the device body 10, and a synthetic resin housing the device body 10.
  • the case 12 is roughly constituted.
  • the cover 11 is formed so that the collar part 11a protrudes from the apparatus main body 10 long as shown in FIG.2 and FIG.3.
  • the cover 11 can block the direct sunlight irradiated on the display by forming the flange portion 11a long.
  • the case 12 has a plurality of openings 12 a formed on the front and side surfaces. As a result, when a vehicle occupant collides with the case 12 due to an accident or the like, the case 12 can be easily crushed and the impact can be absorbed.
  • the apparatus main body 10 is rotatably attached via a sheet metal chassis 21 as a base portion and a rotation shaft 22 provided on the chassis 21, and the display 23 is set to a storage position.
  • a cover plate 26 made of sheet metal is provided as a cover for holding the cover 11 so that it can be opened and closed between the storage position and the use position.
  • the rotating shaft 22 of this embodiment functions as a 1st axis
  • the rotating shaft 25 functions as a 2nd axis
  • the display plate 24 is formed in a substantially box shape and is mounted so that a display 23 made of LCD (Liquid Crystal Display) or the like is accommodated therein, and guide pins 27 serving as cam followers protrude from the upper ends of both sides at the use position. It is fixed.
  • LCD Liquid Crystal Display
  • the lid plate 26 is connected to the display plate 24 through engagement means that can move relative to the display plate 24.
  • the engaging means includes a guide groove 30 and a guide pin 27 that can move in the guide groove 30.
  • the guide groove 30 is formed in a guide plate 28 formed by bending on both upper side surfaces of the lid plate 26 as shown in FIG.
  • the guide groove 30 is formed in a straight line, and a linear portion 32 for opening and closing the cover plate 26 in cooperation with the opening and closing operation of the display plate 24, and the display in a state where the opening and closing operation of the cover plate 26 is stopped.
  • a curved portion 33 for opening and closing only the plate 24 is continuously formed.
  • a locking portion 31 for locking the guide pin 27 in the guide groove 30 is formed at the front end portion of the bending portion 33 at the use position.
  • three locking grooves 31a to 31c including the front end in the longitudinal direction of the guide groove 30 are formed at regular intervals.
  • the angle of the use position of the display 23 can be changed in three steps.
  • the three locking grooves 31a to 31c are each formed in a tapered groove so that the guide pin 27 can be easily guided.
  • the guide groove 30 functions as a long hole portion of the present application, and the guide pin 27 functions as an engagement pin of the present application.
  • the cover plate 26 is always urged in the closing direction by attaching torsion coil springs 33 and 33 as urging means in the vicinity of the shaft support portion of the rotating shaft 25 provided in the chassis 21 as shown in FIG.
  • torsion coil springs 34, 34 are attached to the display plate 24 in the vicinity of the shaft support portion of the rotary shaft 22, and the cover plate 26 and the display are displayed by these coil springs 33, 33, 34, 34.
  • the plate 24 is always urged in the closing direction.
  • the display plate 24 and the cover plate 26 are each provided with an angle sensor (not shown) for detecting the angle of the opened use position. Further, the display plate 24 and the lid plate 26 are opened by, for example, pressing an open switch (not shown) and closed by pressing a close switch (not shown).
  • the display plate 24 and the cover plate 26 can adjust the angle of the use position, that is, the tilt angle in three stages by the guide pin 27 being locked in the three locking grooves 31a to 31c.
  • the guide pins 27 are sequentially switched to be locked in the three locking grooves 31a to 31c.
  • the guide pin 27 is set to be locked in the locking groove 31a when the open switch is pressed.
  • an angle detection signal of the display plate 24 and the cover plate 26 detected by the angle sensor is obtained by the control unit 100 described later, and the control unit 100 turns on the drive motors 41 and 61, Control off.
  • the guide pin 27 when the switch for opening is pushed, the guide pin 27 is locked to the locking groove 31a which is the front end in the guide groove 30, but this is not restrictive. You may make it latch to 31b and can change suitably.
  • FIG. 10 is a layout view showing the drive unit of the display panel of the present embodiment.
  • the drive unit 40 of the display board 24 has a drive motor 41 attached to the lower end of the display board 24, and the first shaft is connected to the output shaft of the drive motor 41.
  • the gear 42a is fixed.
  • the second helical gear 42b made of nylon that meshes with the first helical gear 42a meshes with a pinion 44 using a metal sintered gear through a spur gear train 43 that constitutes a reduction gear train.
  • the pinion 44 meshes with one rack member 45 fixed to the chassis 21.
  • one of the spur gear trains 43 meshes with one of the connection gears 47, 47 attached in the vicinity of both ends of the coupling shaft 46, and the other of the connection gears 47, 47 meshes with the transmission gear train 48.
  • the transmission gear train 48 meshes with the other rack member 50 fixed to the chassis 21 via a pinion 49 using a metal sintered gear.
  • the second helical gear 42 b is a two-stage gear integrated with one of the spur gear trains 43.
  • the first helical gear 42a is made of, for example, polyacetal, and the second helical gear 42b is made of nylon as described above.
  • quietness can be achieved by engaging gears of different hardnesses with each other.
  • both the first helical gear 42a and the second helical gear 42b are made of nylon, it is possible to achieve calmness. In short, quietness can be achieved if at least one of the first helical gear 42a and the second helical gear 42b is made of nylon.
  • two brackets 51a, 51b and 52a, 52b which are paired with each other are fixed to the lower end of the display plate 24.
  • the rotation shafts of the spur gear train 43 and the pinion 44 are respectively attached to the brackets 51a and 51b, and these rotation shafts rotatably support the spur gear train 43 and the pinion 44, respectively.
  • the rotation shafts of the transmission gear train 48 and the pinion 49 are respectively attached to the brackets 52a and 52b, and these rotation shafts support the transmission gear train 48 and the pinion 49 so as to be rotatable.
  • the connecting shaft 46 is attached to the bracket 51a and the bracket 52b.
  • FIG. 11 is a layout view showing the drive unit of the lid plate of the present embodiment.
  • the drive unit 60 of the lid plate 26 has a drive motor 61 attached to the upright wall 21 a of the chassis 21, and an output shaft of the drive motor 61 has a first screw.
  • the gear 62a is fixed.
  • the second helical gear 62b made of nylon that meshes with the first helical gear 62a is attached to the lower end of the cover plate 26 via a spur gear train 63 and a sintered gear 63a constituting a reduction gear train.
  • One sector gear 64 is engaged.
  • one spur gear train 63 meshes with one of connection gears 66 and 66 attached in the vicinity of both ends of the connection shaft 65, and the other of the connection gears 66 and 66 has a transmission gear train 67 and a sintered gear 67a. Via the other sector gear 68.
  • the second helical gear 62b is a two-stage gear integrated with one of the spur gear trains 63 in the same manner as the second helical gear 42b.
  • the first helical gear 62a is made of, for example, polyacetal, and the second helical gear 62b is made of nylon as described above. Further, both the first helical gear 62a and the second helical gear 62b may be made of nylon. In short, as with the first helical gear 42a and the second helical gear 42b, quietness can be achieved if at least one of the first helical gear 62a and the second helical gear 62b is made of nylon. It will be.
  • a rotating shaft of a spur gear train 63 is attached to the standing walls 21a and 21b of the chassis 21 as shown in FIG.
  • a rotating shaft of a sintered gear 63a (shown in FIG. 11) is attached to a standing wall (not shown) of the chassis 21.
  • These rotary shafts rotatably support the spur gear train 63 and the gear 63a.
  • upright walls 21c and 21d are fixed to the chassis 21, and a rotating shaft of a transmission gear train 67 and a sintered gear 67a (shown in FIG. 11) is attached to the upright walls 21c and 21d.
  • These rotation shafts rotatably support the transmission gear train 67 and the sintered gear 67a.
  • the connecting shaft 65 is attached to the standing walls 21a and 21d.
  • the drive motor 61 when the drive motor 61 is rotationally driven in the opening direction, the first helical gear 62a and the second helical gear 62b are rotationally driven, the rotational speed thereof is reduced via the spur gear train 63, and the rotational force Moves one sector gear 64 attached to the lower end of the cover plate 26 in one direction.
  • the connecting gears 66 and 66 rotate, and the rotational force moves the other sector gear 68 in one direction via the transmission gear train 67.
  • the cover plate 26 opens and it becomes a use position.
  • the drive motor 61 when the drive motor 61 is rotationally driven in the closing direction, the first helical gear 62a, the second helical gear 62b, etc. rotate in the opposite direction to the above, and as shown in FIGS.
  • the plate 26 is closed to the storage position.
  • the drive motor 61 of this embodiment functions as the 2nd motor of this application.
  • FIG. 12 is an example of a system configuration diagram for driving the display plate and the cover plate in the display device.
  • the display device 1 includes a control unit 100.
  • the control unit 100 includes a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), and the like, and the CPU executes various programs stored in the ROM, for example.
  • the display device 1 is controlled as a whole, and functions as drive control means, detection means, holding means, release means, and detection means of the present application.
  • the control unit 100 drives and opens the display board 24 based on an instruction to open and close the display board 24 by the user (hereinafter referred to as “display board drive motor 41”), and A motor driver for rotationally driving a drive motor 61 for opening and closing the lid plate 26 (hereinafter referred to as “lid plate drive motor 61”) is controlled. More specifically, the control unit 100 monitors the information detected by a plurality of detection units 101 (for example, angle sensors) in the opening / closing operation of the display plate 24 and the cover plate 26, and controls the drive motors 41 and 61. The rotation direction and rotation speed are sequentially driven and controlled. Also, predetermined information is displayed on the display 105 under the control of the display microcomputer 103 based on the opening operation of the display board 24.
  • a plurality of detection units 101 for example, angle sensors
  • a system control unit for overall control of the entire vehicle is provided on the vehicle side, and the system control unit controls the operation of an occupant protection device (such as an air bag) generally provided as a specification for the vehicle.
  • the occupant protection device detects an external impact on the vehicle, and based on the detection result, the system control unit outputs an operation signal for operating the airbag body to the airbag body to operate the airbag body.
  • the airbag main body is disposed, for example, in a dashboard, and inflates due to an impact on the vehicle, and receives a forward movement of the occupant due to the impact.
  • a detection device that detects an external impact on the vehicle is attached to the main frame of the vehicle and detects vibrations thereof.
  • the system control unit outputs an operation signal for operating the airbag body to the airbag body when the detection device detects an impact. Based on the operation signal, the control unit 100 opens between two terminals for applying a drive voltage to the display plate drive motor 41 and the cover plate drive motor 61.
  • a collision or a rollover of the vehicle is detected by detecting an operation signal of an occupant protection device (such as an air bag) generally provided in the vehicle (indirectly of the vehicle).
  • an occupant protection device such as an air bag
  • a collision or the like may be detected directly from a separately provided detection device that detects a vehicle collision or the like.
  • the cover plate drive motor 61 is rotationally driven in the closing direction and a drive voltage is applied to the display plate drive motor 41. Short-circuit between two terminals. Thereby, the display board 24 and the cover board 26 are hold
  • the control unit 100 of the in-vehicle display device 1 also detects the operation signal, and when detecting the operation signal, the control unit 100 detects the display plate drive motor 41 and the cover plate drive motor 61.
  • Each of the two terminals for applying a driving voltage to the terminal is opened. Thereby, for example, even if a passenger collides with the display 105 due to a vehicle collision or the like, the holding of the display plate 24 and the cover plate 26 is released, so that the display plate 24 and the cover plate 26 can freely rotate. It has become. Therefore, even if the said passenger collides, the display board 24 and the cover board 26 can be rotated to a storing position, and can reduce the impact to the passenger at the time of a collision. Further, by adjusting the weight of the display plate 24 and the cover plate 26, the display plate 24 and the cover plate 26 can be rotated to the storage position by their own weight.
  • the gear configuration of the drive unit 40 that transmits the driving force of the drive motors 41 and 61 to the display plate 24 and the cover plate 26 does not use a worm gear, and a helical gear (first helical gear 42a, second helical gear 42a
  • the helical gear 42b) and the spur gear (spur gear train 43) make it easy to move the display plate and cover plate when the terminals of the drive motor are opened. Even if a person collides with the display plate or the cover plate, the impact can be reduced.
  • FIG. 13 is a timing chart showing the control state of the display portion drive motor and the lid portion drive motor when the display plate is opened, and the operation state of the display plate and the cover plate.
  • a region C shows an example of control of a signal between two terminals for applying a driving voltage to the display panel drive motor
  • a region D shows an example of control of the applied voltage to the display plate drive motor.
  • the vertical axis indicates the ON / OFF state of the signal
  • the horizontal axis indicates the time axis.
  • the vertical axis represents the applied voltage
  • the horizontal axis represents the time axis.
  • An E area indicates an operation angle in the opening / closing operation of the display plate and the cover plate. The vertical axis in the E region indicates the operating angle when the storage position is 0 °, and the horizontal axis indicates the time axis.
  • a control method for rotating the drive motors 41 and 61 to drive the display plate 24 and the cover plate 26 in the closing direction is referred to as “close control”, and the display plate 24 and the cover plate 26 are opened.
  • a control method in which the drive motors 41 and 61 are driven to rotate in the direction is referred to as “open control”.
  • a control method for short-circuiting two terminals for supplying voltage to the drive motors 41 and 61 is referred to as “brake control”.
  • a control method for performing brake control at predetermined intervals during the close control is referred to as “pumping control”.
  • the control unit 100 controls the display plate drive motor 41 and the cover plate drive motor 61 to be closed at the storage position (see FIG. 8) where the display plate 24 and the cover plate 26 are closed. To do. (Refer to state “ ⁇ 1”).
  • the cover 11 is driven in the closing direction to position the cover 11 in the case 12, while the display plate 24 is driven in the closing direction to guide the rear end surface in the guide groove 30 of the lid plate 26.
  • the pin 27 is abutted and positioned.
  • the control unit 100 When opening the display plate 24 and the cover plate 26 so that the display plate 24 and the cover plate 26 are moved from the storage position (see FIG. 8) to the use position (see FIG. 6), the control unit 100 The drive motor 41 and the cover plate drive motor 61 are brake controlled. (Refer to state “ ⁇ 2”). Thus, when the drive directions of the display plate drive motor 41 and the lid plate drive motor 61 are reversed, both the drive motors 41 and 61 are once brake-controlled. As a result, the load on the motor can be reduced, and abnormal noise generated from the motor can be prevented by sudden reverse rotation control. The display plate 24 and the cover plate 26 can be operated (opened) smoothly.
  • the control unit 100 controls the voltage applied to the terminals for driving the display plate drive motor 41 and the cover plate drive motor 61 to open-control both the drive motors 41 and 61 (state “ ⁇ See 3 ”).
  • both the display plate drive motor 41 and the cover plate drive motor 61 are gradually approached (increase gradually) as shown in Z of FIG.
  • the voltage applied to the drive motors 41 and 61 is controlled. Thereby, generation
  • the operation at the boundary (connection portion) (hereinafter referred to as “inflection point”) where the display plate 24 and the cover plate 26 are opened and the guide pin 27 moves from the straight portion 32 to the bending portion 33 will be described. While the guide pin 27 moves along the linear portion 32, the display plate 24 and the lid plate 26 are both opened, and when the guide pin 27 moves along the curved portion 33 after the inflection point, the lid plate 26 The operation of stopping and opening only the display panel 24 is continued. In order to smoothly stop the cover plate 26 at the inflection point in this way, as shown in Y of FIG. 13, the control unit 100 allows the cover plate before the guide pin 27 reaches the inflection point.
  • the voltage applied to the drive motor 61 is started to be lowered, and then gradually lowered until the inflection point is passed (see state “ ⁇ 3”).
  • the lid plate 26 can be stopped smoothly, and abnormal noise such as contact sound between the guide groove 30 and the guide pin 27 at the inflection point can be prevented.
  • the guide pin 27 can be moved in sliding contact with the inner end face of the guide groove 30, the generation of abnormal noise such as rattling noise can be prevented and the display plate 24 and the cover plate 26 can be operated smoothly. .
  • the cover plate 26 keeps the fully opened state and operates so that the opening angle of only the display plate 24 increases (state “ ⁇ ”). 4 ").
  • the lid plate drive motor 61 is controlled to open, the guide pin 27 operates by sliding on the lower end surface of the guide groove 30. In this way, the drive motors 41 and 61 are both open controlled until the display plate 24 is fully opened (use position).
  • the control unit 100 performs brake control on the display plate drive motor 41 and the lid plate drive motor 61. (Refer to state “ ⁇ 5”).
  • the cover plate 26 is moved in the closing direction by its own weight, and the guide pin 27 is locked in the predetermined locking groove 31a.
  • the display board 24 will be in the state near perpendicular
  • the control unit 100 performs the close control on the cover plate drive motor 61 while performing brake control on the display plate drive motor 41 (see state “ ⁇ 6”).
  • the inner end face of the guide groove 30 is pressed against the guide pin 27 and a load is applied, and the upper portions of the display plate 24 and the cover plate 26 are fixed, and the display plate 24 and the cover plate 26 due to vehicle vibrations or the like. Can be prevented.
  • the in-vehicle display device 1 includes a display plate 24 that holds the display 23 and a cover plate that holds the cover 11 shown in FIG. 2 in the storage position when not in use as shown in FIGS. 26 is in a closed state, and the case 12, that is, the cover 11 is substantially flush with the dashboard 2 and is completely stored.
  • the guide pin 27 is locked to the rear end of the guide groove 30 in the guide plate 28.
  • the display plate 24 and the cover plate 26 are urged by the torsion coil springs 33 and 33 and the torsion coil springs 34 and 34, respectively, in the normally closed direction, that is, the direction for holding the storage position.
  • both the display plate drive motor 41 and the lid plate drive motor 61 are driven in the closing direction by the control unit 100. Therefore, since the display plate 24 and the cover plate 26 are held in a state of being pressed against the case side, even if vibrations occur in the vehicle, the display plate 24 and the cover plate 26 can be prevented from rattling.
  • the control unit 100 activates the drive motors 41 and 61 of the display plate 24 and the cover plate 26 based on a pressing operation of an opening switch (not shown). Open control. At this time, the control unit 100 performs brake control on the display plate drive motor 41 and the cover plate drive motor 61, and then performs open control on the display plate drive motor 41 and the cover plate drive motor 61.
  • control unit 100 controls the voltage applied to the display plate drive motor 41 and the cover plate drive motor 61 so as to gradually approach a predetermined voltage.
  • the voltage applied to the cover plate drive motor 61 is gradually lowered before the guide pin 30 passes through the straight portion 32 of the guide groove 30 and before the guide pin 30 reaches the inflection point of the guide groove 30.
  • the guide pin 27 protruding and fixed at the upper ends of both side surfaces of the display plate 24 moves from the rear end side of the guide groove 30 of the lid plate 26 through the linear portion 32 and the locking portion 31. It is locked in the locking groove 31a at the front end.
  • the display plate 24 and the cover plate 26 are opened to the use position, and the display 23 can be projected to a position where it can be visually recognized.
  • the display plate 24 and the cover plate 26 are gradually biased against the biasing force while being biased in the closing direction by the torsion coil springs 33 and 33 and the torsion coil springs 34 and 34, respectively.
  • the opening operation can be smoothly performed without rattling, improving the reliability of the operation and obtaining a high-class feeling.
  • the guide pins 27 protrude and are fixed to the upper ends of both side surfaces of the display plate 24, and the guide plates 28 are formed on both upper side surfaces of the lid plate 26.
  • the guide pins 27 move to these guide plates 28, respectively. Since the guide groove 30 is formed, the guide pin 27 moves in the guide groove 30 at the upper end portions of the display plate 24 and the cover plate 26, respectively. For this reason, since the front end portions of the members that rotate about the rotation shafts 22 and 25 are regulated with respect to each other, the opening operation can be smoothly performed without rattling even while the vehicle is running.
  • the control unit 100 performs the close control of the cover plate drive motor 61 and the brake control of the display drive motor 41.
  • the display plate 24 and the cover plate 26, together with the torsion coil springs 33 and 33 and the torsion coil springs 34 and 34 can be locked so that the guide pin 27 is always bite into the locking groove 31a. Therefore, the vibration of the display 23 can be prevented in advance, and the display 23 can be easily viewed.
  • the control unit 100 causes the system control unit on the vehicle side to output an operation signal to the airbag body when the vehicle collides with an obstacle.
  • the control unit 100 of the in-vehicle display device 1 also detects the operation signal, and when this is detected, the control unit 100 detects the display plate drive motor 41 and the lid. Each of the two terminals for applying a driving voltage to the plate driving motor 61 is opened.
  • the holding function of the display plate 24 and the cover plate 26 is released, and the display plate 24 and the lid plate 26 can be freely rotated by a passenger's hand. Therefore, the display board 24 can be rotated to the storage position by the collision of the love passenger, and the impact at the time of the collision can be reduced. Further, by adjusting the weight of the display plate 24 and the cover plate 26, the display plate 24 and the cover plate 26 can be rotated from the use position to the storage position by their own weight. If it does in this way, the display board 24 and the cover board 26 will be closed to a storing position at the time of a vehicle collision.
  • control unit 100 drives each of the display plate 24 and the cover plate 26 based on a pressing operation of a closing switch (not shown). 41 and 61 are controlled.
  • the display plate drive motor 41 is brake-controlled and the lid plate drive motor 61 is open-controlled. Thereby, the guide pin 27 is released from the locking groove 31a.
  • the display plate drive motor 41 is pumped in the closing direction while maintaining the open control of the lid plate drive motor 61.
  • the lid plate drive motor 61 is brake-controlled while maintaining the pumping control of the display plate drive motor 41.
  • the display plate drive motor 41 and the cover plate drive motor 61 are pumped in the closing direction.
  • the first helical gear 62a and the second helical gear 62b are rotated in reverse, and the rotation speed is The speed is reduced through the spur gear train 63, and the rotational force thereof moves one sector gear 64 attached to the lower end of the cover plate 26 in the other direction.
  • the connecting gears 66 and 66 rotate in reverse, and the rotational force moves the other sector gear 68 in the other direction via the transmission gear train 67.
  • the guide pin 27 is curved from the position where it is locked to the locking groove 31a formed at the front end of the guide groove 30 as shown in FIG. It moves through the portion 33 and the straight portion 32 and is locked near the rear end of the guide groove 30.
  • the display plate 24 and the cover plate 26 are closed to the storage position.
  • the display plate 24 that holds the display 23 and the lid plate 26 that holds the cover 11 shown in FIG. 2 are closed as described above, and the inside of the case 12, that is, the cover 11 is substantially the same as the dashboard 2. It becomes a plane and is completely stored.
  • FIG. 15 is a perspective view showing a state in which the inclination angle of the display panel of this embodiment is changed
  • FIG. 16 is a side view of FIG.
  • the guide pin 27 of the display plate 24 is guided as shown in FIGS. 15 and 16 from the position where the guide pin 27 is locked in the locking groove 31a of the guide groove 30 of the lid plate 26 as shown in FIGS.
  • the guide pin 27 is engaged with the engagement groove 31b from the engagement groove 31a by pressing the tilt switch. It switches as follows.
  • the control unit 100 obtains, for example, the angle detection signals of the display plate 24 and the cover plate 26 detected by the angle sensor, and the drive motors 41 and 61 are turned on based on the angle detection signals.
  • the guide pin 27 is moved from the locking groove 31a to the locking groove 31b by turning off, and the inclination angle of the display plate 24 is changed.
  • the control unit 100 obtains the angle detection signals of the display plate 24 and the lid plate 26 detected by the angle sensor, and based on the angle detection signals, the control motors 100 and 61
  • the guide pin 27 is moved from the locking groove 31b to the locking groove 31c by turning on and off to change the inclination angle of the display plate 24. Note that this switching order is merely an example and may be reversed.
  • the inclination angle of the display 23 can be changed by changing the inclination angle of the display plate 24. Therefore, the display 23 can be adjusted to an angle that is always easy for the passenger to see.
  • the chassis 21 is attached to the chassis 21 so as to be rotatable via the rotation shaft 22, and holds the display 23 so that it can be opened and closed between the storage position and the use position.
  • a lid plate 26 that is rotatably attached via a rotation shaft 25 parallel to the rotation shaft 22 of the display plate 24 and holds the cover 11 so as to be openable and closable between a storage position and a use position, and a guide groove 30
  • the guide pin 27 is locked in the locking groove 31a at the front end of the front panel, the display plate 24 and the cover plate 26 are in the open use position, and the truss structure is formed together with the chassis 21, thereby increasing the structural strength.
  • it is less susceptible to vibration during vehicle travel, and the display 23 can be maintained in an easily viewable state.
  • the display plate 24 and the cover plate 26 are opened and protruded, the display plate 24 and the torsion coil springs 33 and 33 of the cover plate 26 are used to display the display plate.
  • the 24 guide pins 27 are locked so as to bite into the locking grooves 31a to 31c at the front end of the guide groove 30.
  • the structural strength is further increased, and further robustness can be achieved.
  • the display 23 can be maintained in an easily viewable state.
  • the present application is not limited to the above embodiment, and various modifications can be made.
  • the guide pins 27 protrude from the upper ends of both side surfaces of the display plate 24 and the guide plates 28 are formed on both upper side surfaces of the cover plate 26.
  • the present invention is not limited to this. While providing the guide plate 28, the guide pin 27 may be attached to the lid plate 26.
  • the display plate drive motor 41 and the cover plate drive motor 61 are driven and controlled so that the display plate 24 and the cover plate 26 are stably fixed without rattling.
  • the control unit detects the vehicle tilt angle, the moving speed, or the vibration.
  • the voltage applied to the first motor or the second motor may be variably controlled based on the detection value detected by the detection unit.
  • the display board 24 and the cover board 26 are comprised so that opening and closing is possible between a storing position and a use position. Any electronic device can be applied as long as it is.
  • the display device having a structure in which the display plate 24 and the lid plate 26 are cooperatively controlled to be opened and closed is an object.
  • the display device is provided with a display plate that is rotatably attached to a base portion via a shaft. It can also be applied to a portable display device.
  • the two terminals for applying a driving voltage to the motor that opens and closes the display panel are short-circuited.
  • the motor has a braking function by self-power generation, and can hold the display plate 24 at the use position.
  • the control unit opens between the two terminals of the motor.
  • the holding function of a display board will be canceled and the holding board will be freely rotatable by the hand of a passenger or the like or by its own weight. Therefore, even if the passenger collides, the display board can be rotated to the storage position and can reduce the impact at the time of the collision.
  • the holding of the display plate 24 and the cover plate 26 in the use position is released to release the display plate.
  • 24 and the cover plate 26 can be freely rotated.
  • the The display plate 24 and the cover plate 26 may be freely pivotable by releasing the connection.
  • the lock may be released as described above.

Abstract

Provided is a display device wherein safety countermeasures are taken for passengers in a vehicle. A display device (1) is provided with a base section (21); a display section (24) turnably attached on one end side of the base section (21) through a first shaft (22); a first motor (41) for opening and closing the display section (21) between a storing position and a use position; and a drive control means for drive-controlling the first motor (41). The display device (1) for a mobile object is also provided with a holding means for holding the display section (24) at the use position; a detecting means for detecting a shock applied to the mobile object; and a releasing means for releasing holding of the display section (24) by the holding means, in the case where a shock applied to the mobile object is detected by the detecting means when the display section (24) is held at the use position.

Description

ディスプレイ装置Display device
本願は、例えば車両のダッシュボードに搭載され、オーディオ、ビジュアル機能とナビゲーション機能とが一体になったカーナビゲーション等の車載用ディスプレイ装置の技術分野に属する。 The present application belongs to the technical field of an in-vehicle display device such as a car navigation system that is mounted on a dashboard of a vehicle, for example, in which audio, visual functions, and navigation functions are integrated.
　一般に、車両のダッシュボード等に搭載される車載用ディスプレイ装置には、例えば特許文献１及び２に開示された発明がある。 Generally, there are inventions disclosed in Patent Documents 1 and 2, for example, in-vehicle display devices mounted on vehicle dashboards and the like.
　特許文献１に開示された発明は、車両の格納部に格納される格納位置と、格納部から突出する使用位置との間で移動可能なディスプレイと、該ディスプレイを前記格納位置と前記使用位置との間で電動駆動する駆動手段とを備え、前記ディスプレイが格納位置にあるときに車両側の蓋部材によって前記格納部が覆われるよう構成した車載用モニタ装置において、前記ディスプレイは前記蓋部材とは別体とされ、該ディスプレイが前記格納位置から前記使用位置に向けて移動するときにその一部が前記蓋部材と当接して蓋部材を押し開けるよう構成したものである。 The invention disclosed in Patent Document 1 includes a display that can be moved between a storage position stored in a storage portion of a vehicle and a use position protruding from the storage portion, and the display includes the storage position and the use position. A vehicle-mounted monitor device configured to cover the storage portion with a vehicle-side cover member when the display is in a storage position. A separate body is configured such that when the display moves from the storage position toward the use position, a part of the display comes into contact with the lid member to push open the lid member.
　また、特許文献２に開示された発明は、カップリング手段が、ディスプレイユニットの運動とカバーの運動との間の不均一な結付けを生ぜしめるようになっており、これによって、当該表示装置の完全な運動経過にわたって、ディスプレイユニットの、全体的に進行させたい走行運動に対する、すでにディスプレイユニットによって進行させられた走行運動の相対的な割合と、カバーの、全体的に進行させたい走行運動に対する、すでにカバーによって進行させられた走行運動の相対的な割合との間の比率が変化するようになっているようにしたものである。 Further, in the invention disclosed in Patent Document 2, the coupling means causes a non-uniform connection between the movement of the display unit and the movement of the cover. Over the complete course of movement, the relative proportion of the driving movement already progressed by the display unit relative to the driving movement that the display unit wants to make progress, and the cover, relative to the driving movement that you want to make progress overall, The ratio between the relative proportion of the running movements already advanced by the cover is adapted to change.
　このような特許文献１及び２に開示された発明では、装置本体側に設けたカム溝と、ディスプレイに設けたカムフォロアとの関係によってディスプレイを車両の格納部に格納される格納位置と、格納部から突出する使用位置との間で移動可能としている。 In the inventions disclosed in Patent Documents 1 and 2, the storage position in which the display is stored in the storage portion of the vehicle by the relationship between the cam groove provided on the apparatus main body side and the cam follower provided in the display, and the storage portion It is possible to move between the use position protruding from.
特開平１０－１４７１８５号公報Japanese Patent Laid-Open No. 10-147185
特開２００７－１２６１３５号公報JP 2007-126135 A
　一方、上記に示すような従来の車載用ディスプレイ装置は、ディスプレイが使用位置にある時に、例えば、車両に対して外部から衝撃が生じた場合、搭乗者は当該ディスプレイにぶつかるおそれがある。また、近年の車両にはエアバック等の乗員保護装置が設けられており、当該エアバックは車両に対する衝撃などによって膨らむようになっている。 On the other hand, in the conventional in-vehicle display device as described above, for example, when an external impact is applied to the vehicle when the display is in the use position, the passenger may hit the display. Further, in recent vehicles, an occupant protection device such as an airbag is provided, and the airbag is inflated by an impact on the vehicle.
　本願は、上記の事情を考慮してなされたもので、その課題の一例としては、車両における搭乗者の安全対策を図ったディスプレイ装置を提供することにある。 The present application has been made in consideration of the above-mentioned circumstances, and an example of the problem is to provide a display device that is intended for safety measures for passengers in the vehicle.
　上記課題を解決するために、請求項１に記載のディスプレイ装置は、基部と、前記基部の一端側に第１の軸を介して回動可能に取り付けられた表示部と、前記表示部を格納位置と使用位置との間で開閉させる第１のモータと、前記第１のモータを駆動制御するための駆動制御手段と、を具備する移動体用のディスプレイ装置において、前記使用位置において前記表示部を保持する保持手段と、前記移動体に対する衝撃を検知する検知手段と、前記表示部が使用位置に保持されている時に前記検知手段によって前記移動体に対する衝撃が検知された場合に、前記保持手段による表示部の保持を解除する解除手段と、を備えていることを特徴とする。 In order to solve the above problem, a display device according to claim 1 stores a base, a display unit rotatably attached to one end side of the base via a first shaft, and the display unit In a display device for a moving body, comprising: a first motor that opens and closes between a position and a use position; and a drive control means for driving and controlling the first motor. A holding means for holding the moving body, a detecting means for detecting an impact on the moving body, and the holding means when an impact on the moving body is detected by the detecting means when the display unit is held at a use position. And a release means for releasing the holding of the display unit.
本願の一実施形態の車載用ディスプレイ装置が搭載される車両内部を示す概略図である。It is the schematic which shows the vehicle interior by which the vehicle-mounted display apparatus of one Embodiment of this application is mounted. 本願の一実施形態の車載用ディスプレイ装置を示す斜視図である。It is a perspective view which shows the vehicle-mounted display apparatus of one Embodiment of this application. 図２の車載用ディスプレイ装置のカバーを示す斜視図である。It is a perspective view which shows the cover of the vehicle-mounted display apparatus of FIG. 図２の車載用ディスプレイ装置のケースを示す斜視図である。It is a perspective view which shows the case of the vehicle-mounted display apparatus of FIG. 図２の車載用ディスプレイ装置からカバー及びケースを取り外した使用状態を示す斜視図である。It is a perspective view which shows the use condition which removed the cover and the case from the vehicle-mounted display apparatus of FIG. 図５の右側面図である。FIG. 6 is a right side view of FIG. 5. 図５の格納状態を示す斜視図である。FIG. 6 is a perspective view showing the storage state of FIG. 5. 図７の右側面図である。FIG. 8 is a right side view of FIG. 7. 図７の駆動モータ、ギヤ等の配列を示す平面図である。FIG. 8 is a plan view showing an arrangement of drive motors, gears, and the like in FIG. 7. 本実施形態の表示板の駆動部を示す配置図である。It is an arrangement view showing a drive part of a display board of this embodiment. 本実施形態の蓋板の駆動部を示す配置図である。It is an arrangement drawing showing a drive part of a lid plate of this embodiment. ディスプレイ装置において表示板及び蓋板を駆動するためのシステム構成図の一例である。It is an example of the system block diagram for driving a display board and a cover board in a display apparatus. 表示部を開く時の表示部用駆動モータと蓋部用駆動モータの制御状態を示すタイミングチャートである。It is a timing chart which shows the control state of the drive motor for display parts and the drive motor for lid parts at the time of opening a display part. 本実施形態の表示板及び蓋板の開閉状態を示す側面図である。It is a side view which shows the open / close state of the display board of this embodiment, and a cover board. 本実施形態の表示板の傾斜角度を変更した状態を示す斜視図である。It is a perspective view which shows the state which changed the inclination angle of the display board of this embodiment. 図１５の側面図である。FIG. 16 is a side view of FIG. 15.
符号の説明Explanation of symbols
　１：車載用ディスプレイ装置
　２：ダッシュボード
　１０：機器本体
　１１：カバー
　１２：ケース
　２１：シャーシ
　２２：回転軸
　２３：ディスプレイ
　２４：表示板
　２５：回転軸
　２６：蓋板
　２７：案内ピン
　２８：案内板
　３０：案内溝
　３１：係止部
　３１ａ，３１ｂ，３１ｃ：係止溝
　４０：駆動部
　４１：駆動モータ
　６０：駆動部
　６１：駆動モータ 1: Vehicle display device 2: Dashboard 10: Device main body 11: Cover 12: Case 21: Chassis 22: Rotating shaft 23: Display 24: Display plate 25: Rotating shaft 26: Cover plate 27: Guide pin 28: Guide plate 30: Guide groove 31: Locking part 31a, 31b, 31c: Locking groove 40: Drive part 41: Drive motor 60: Drive part 61: Drive motor
　以下、本願の最良の実施形態を添付図面に基づいて説明する。なお、以下に説明する実施形態は、ディスプレイ装置として例えばオーディオ、ビジュアル機能とナビゲーション機能とが一体になったカーナビゲーション等の車載用ディスプレイ装置に対して本願を適用した場合の実施形態である。また、以下の説明において、表示板又は蓋板を開く方向に関して「開方向」と称し、表示板又は蓋板を閉じる方向に関して「閉方向」と称する。 Hereinafter, the best embodiment of the present application will be described with reference to the accompanying drawings. In addition, embodiment described below is embodiment at the time of applying this application with respect to vehicle-mounted display apparatuses, such as a car navigation which integrated the audio, visual function, and the navigation function as a display apparatus, for example. Further, in the following description, the direction in which the display plate or the cover plate is opened is referred to as “open direction”, and the direction in which the display plate or the cover plate is closed is referred to as “closed direction”.
　図１は本願の一実施形態の車載用ディスプレイ装置が搭載される車両内部を示す概略図である。図１に示すように、ディスプレイ装置としての本実施形態の車載用ディスプレイ装置１は、車両のダッシュボード２に形成された開口部２ａに取り付けられる。図１において、車載用ディスプレイ装置１の周囲には、ステアリングホイール３、メータパネル４、フロントガラス５、バックミラー６、シフトノブ７、左ドア８及び右ドア９が配置されている。 FIG. 1 is a schematic view showing the inside of a vehicle on which the in-vehicle display device of one embodiment of the present application is mounted. As shown in FIG. 1, the in-vehicle display device 1 of the present embodiment as a display device is attached to an opening 2 a formed in a dashboard 2 of a vehicle. In FIG. 1, a steering wheel 3, a meter panel 4, a windshield 5, a rearview mirror 6, a shift knob 7, a left door 8, and a right door 9 are disposed around the in-vehicle display device 1.
　ここで、本実施形態の車載用ディスプレイ装置１は、不使用時にはカバーが閉じてダッシュボード２と略同一面となって完全に格納される一方、使用時にはカバーを開いてディスプレイを視認可能な位置まで突出させるようにしている。 Here, the in-vehicle display device 1 of the present embodiment closes the cover when not in use and is completely stored in the same plane as the dashboard 2, while opening the cover when in use and the position where the display can be viewed. To protrude.
　図２は本願の一実施形態の車載用ディスプレイ装置を示す斜視図、図３は図２の車載用ディスプレイ装置のカバーを示す斜視図、図４は図２の車載用ディスプレイ装置のケースを示す斜視図、図５は図２の車載用ディスプレイ装置からカバー及びケースを取り外した使用状態を示す斜視図、図６は図５の右側面図、図７は図５の格納状態を示す斜視図、図８は図７の右側面図、図９は図７の駆動モータ、ギヤ等の配列を示す平面図である。なお、以下の説明では、ディスプレイ側を正面（前面）側とし、カバー側を背面（後面）側とし、ディスプレイ及びカバーが開いて突出する方向を上方として説明する。 2 is a perspective view showing an in-vehicle display device according to an embodiment of the present application, FIG. 3 is a perspective view showing a cover of the in-vehicle display device in FIG. 2, and FIG. 4 is a perspective view showing a case of the in-vehicle display device in FIG. 5 is a perspective view showing a use state in which a cover and a case are removed from the in-vehicle display device of FIG. 2, FIG. 6 is a right side view of FIG. 5, and FIG. 7 is a perspective view showing a storage state of FIG. 8 is a right side view of FIG. 7, and FIG. 9 is a plan view showing the arrangement of the drive motor, gears and the like of FIG. In the following description, the display side is defined as the front (front) side, the cover side is defined as the back (rear) side, and the direction in which the display and the cover open and protrudes is described as upward.
　図２～図５に示すように、本実施形態の車載用ディスプレイ装置１は、装置本体１０と、この装置本体１０に取り付けられる合成樹脂製のカバー１１と、装置本体１０を収納する合成樹脂製のケース１２とから大略的に構成されている。 As shown in FIGS. 2 to 5, the in-vehicle display device 1 according to the present embodiment includes a device body 10, a synthetic resin cover 11 attached to the device body 10, and a synthetic resin housing the device body 10. The case 12 is roughly constituted.
　カバー１１は、図２及び図３に示すように庇部１１ａが装置本体１０から長く突出するように形成されている。カバー１１は、庇部１１ａを長く形成したことにより、ディスプレイに照射される直射日光を遮ることができる。 The cover 11 is formed so that the collar part 11a protrudes from the apparatus main body 10 long as shown in FIG.2 and FIG.3. The cover 11 can block the direct sunlight irradiated on the display by forming the flange portion 11a long.
　ケース１２は、図２及び図４に示すように正面及び側面に複数の開口部１２ａが形成されている。これにより、車両の搭乗者が事故等でケース１２に衝突した際、ケース１２を圧潰し易くし、その衝撃を吸収することができるようにしている。 As shown in FIGS. 2 and 4, the case 12 has a plurality of openings 12 a formed on the front and side surfaces. As a result, when a vehicle occupant collides with the case 12 due to an accident or the like, the case 12 can be easily crushed and the impact can be absorbed.
　装置本体１０は、図５～図８に示すように基部としての板金製のシャーシ２１と、このシャーシ２１に設けた回転軸２２を介して回動可能に取り付けられ、かつディスプレイ２３を格納位置と使用位置との間で開閉可能に保持する表示部としての板金製の表示板２４と、シャーシ２１に表示板２４の回転軸２２と互いに平行な回転軸２５を介して回動可能に取り付けられ、カバー１１を格納位置と使用位置との間で開閉可能に保持する蓋部としての板金製の蓋板２６とを備えている。なお、本実施形態の回転軸２２は本願の第１の軸として機能し、回転軸２５は本願の第２の軸として機能する。 As shown in FIGS. 5 to 8, the apparatus main body 10 is rotatably attached via a sheet metal chassis 21 as a base portion and a rotation shaft 22 provided on the chassis 21, and the display 23 is set to a storage position. A display plate 24 made of sheet metal as a display unit that can be opened and closed with respect to a use position, and a chassis 21 that is rotatably attached via a rotation shaft 25 that is parallel to the rotation shaft 22 of the display plate 24. A cover plate 26 made of sheet metal is provided as a cover for holding the cover 11 so that it can be opened and closed between the storage position and the use position. In addition, the rotating shaft 22 of this embodiment functions as a 1st axis | shaft of this application, and the rotating shaft 25 functions as a 2nd axis | shaft of this application.
　表示板２４は、略箱状に形成されてその内部にＬＣＤ（Liquid Crystal Display）等からなるディスプレイ２３を収納するように取り付け、使用位置において両側面上端にカムフォロアとなる案内ピン２７がそれぞれ突出して固定されている。 The display plate 24 is formed in a substantially box shape and is mounted so that a display 23 made of LCD (Liquid Crystal Display) or the like is accommodated therein, and guide pins 27 serving as cam followers protrude from the upper ends of both sides at the use position. It is fixed.
　蓋板２６は、表示板２４に対して相対的に移動可能な係合手段を介して表示板２４に連結されている。この係合手段は、案内溝３０と、この案内溝３０内を移動可能な案内ピン２７で構成される。 The lid plate 26 is connected to the display plate 24 through engagement means that can move relative to the display plate 24. The engaging means includes a guide groove 30 and a guide pin 27 that can move in the guide groove 30.
　案内溝３０は、図６に示すように蓋板２６の上部両側面に屈曲して形成された案内板２８に形成されている。この案内溝３０は、直線状に形成され表示板２４の開閉動作と協働して蓋板２６を開閉動作させるための直線部３２と、蓋板２６の開閉動作を停止させた状態で前記表示板２４のみを開閉動作させるための湾曲部３３と、が連続して形成されている。また、使用位置において湾曲部３３の前端部には、案内溝３０内で案内ピン２７を係止させるための係止部３１が形成されている。この係止部３１には、案内溝３０の長手方向前端を含む３つの係止溝３１ａ～３１ｃが一定間隔をおいて形成されている。これにより、ディスプレイ２３の使用位置の角度を３段階に変更することができる。３つの係止溝３１ａ～３１ｃは、それぞれテーパ状の溝に形成されており、これにより案内ピン２７を案内し易いようにしている。なお、この案内溝３０は、本願の長孔部として機能し、案内ピン２７は、本願の係合ピンとして機能する。 The guide groove 30 is formed in a guide plate 28 formed by bending on both upper side surfaces of the lid plate 26 as shown in FIG. The guide groove 30 is formed in a straight line, and a linear portion 32 for opening and closing the cover plate 26 in cooperation with the opening and closing operation of the display plate 24, and the display in a state where the opening and closing operation of the cover plate 26 is stopped. A curved portion 33 for opening and closing only the plate 24 is continuously formed. Further, a locking portion 31 for locking the guide pin 27 in the guide groove 30 is formed at the front end portion of the bending portion 33 at the use position. In the locking portion 31, three locking grooves 31a to 31c including the front end in the longitudinal direction of the guide groove 30 are formed at regular intervals. Thereby, the angle of the use position of the display 23 can be changed in three steps. The three locking grooves 31a to 31c are each formed in a tapered groove so that the guide pin 27 can be easily guided. The guide groove 30 functions as a long hole portion of the present application, and the guide pin 27 functions as an engagement pin of the present application.
　案内板２８は、案内溝３０内の後端に案内ピン２７が係止されたとき、表示板２４及び蓋板２６は、図７及び図８に示すように閉じた格納位置となる。また、案内溝３０内の前端である係止溝３１ａに案内ピン２７が係止されたとき、表示板２４及び蓋板２６は、図５及び図６に示すように開いて突出する使用位置となり、シャーシ２１とともに三角のトラス構造を形成する。 When the guide pin 27 is locked to the rear end of the guide groove 30 in the guide plate 28, the display plate 24 and the cover plate 26 are in the closed storage position as shown in FIGS. When the guide pin 27 is locked in the locking groove 31a which is the front end in the guide groove 30, the display plate 24 and the cover plate 26 are in a use position where they open and project as shown in FIGS. A triangular truss structure is formed together with the chassis 21.
　蓋板２６は、図５に示すようにシャーシ２１に設けた回転軸２５の軸支部近傍に付勢手段としてのねじりコイルばね３３、３３を取り付けたことにより常時閉止方向に付勢されている。同様に、図９に示すように表示板２４にも回転軸２２の軸支部近傍にねじりコイルばね３４、３４を取り付けるようにし、これらのコイルばね３３、３３、３４、３４により蓋板２６及び表示板２４が常時閉止方向に付勢されている。 The cover plate 26 is always urged in the closing direction by attaching torsion coil springs 33 and 33 as urging means in the vicinity of the shaft support portion of the rotating shaft 25 provided in the chassis 21 as shown in FIG. Similarly, as shown in FIG. 9, torsion coil springs 34, 34 are attached to the display plate 24 in the vicinity of the shaft support portion of the rotary shaft 22, and the cover plate 26 and the display are displayed by these coil springs 33, 33, 34, 34. The plate 24 is always urged in the closing direction.
　表示板２４及び蓋板２６は、それぞれ開いた使用位置の角度を検出するための図示しない角度センサを備えている。また、表示板２４及び蓋板２６は、例えば図示しないオープン用スイッチを押すことにより開き、図示しないクローズ用スイッチを押すことにより閉じる。 The display plate 24 and the cover plate 26 are each provided with an angle sensor (not shown) for detecting the angle of the opened use position. Further, the display plate 24 and the lid plate 26 are opened by, for example, pressing an open switch (not shown) and closed by pressing a close switch (not shown).
　さらに、表示板２４及び蓋板２６は、案内ピン２７が３つの係止溝３１ａ～３１ｃに係止されることにより、使用位置の角度、つまりチルト角を３段階に調整することができる。このチルト角を調整するには、例えば図示しないチルト用スイッチを押すことにより、案内ピン２７が順次３つの係止溝３１ａ～３１ｃに係止されるように切り換わるようにしている。なお、本実施形態では、オープン用スイッチを押した場合は、案内ピン２７が係止溝３１ａに係止されるように設定されている。このように動作させるには、例えば上記角度センサにより検出した表示板２４及び蓋板２６の角度検出信号を後述する制御部１００にて得て、この制御部１００により駆動モータ４１、６１のオン、オフを制御している。 Furthermore, the display plate 24 and the cover plate 26 can adjust the angle of the use position, that is, the tilt angle in three stages by the guide pin 27 being locked in the three locking grooves 31a to 31c. In order to adjust the tilt angle, for example, by pushing a tilt switch (not shown), the guide pins 27 are sequentially switched to be locked in the three locking grooves 31a to 31c. In the present embodiment, the guide pin 27 is set to be locked in the locking groove 31a when the open switch is pressed. In order to operate in this way, for example, an angle detection signal of the display plate 24 and the cover plate 26 detected by the angle sensor is obtained by the control unit 100 described later, and the control unit 100 turns on the drive motors 41 and 61, Control off.
　ここで、本実施形態では、オープン用スイッチを押した場合は、案内ピン２７が案内溝３０内の前端である係止溝３１ａに係止されるようにしたが、これに限らず係止溝３１ｂに係止されるようにしてもよく、適宜変更可能である。 Here, in this embodiment, when the switch for opening is pushed, the guide pin 27 is locked to the locking groove 31a which is the front end in the guide groove 30, but this is not restrictive. You may make it latch to 31b and can change suitably.
　次に、表示板２４の駆動部について説明する。図１０は本実施形態の表示板の駆動部を示す配置図である。
　図９及び図１０に示すように、表示板２４の駆動部４０は、表示板２４の下端に取り付けられた駆動モータ４１を有し、この駆動モータ４１の出力軸には、第１はすば歯車４２ａが固着されている。この第１はすば歯車４２ａと噛合するナイロン製の第２はすば歯車４２ｂは、減速ギヤ列を構成する平歯車列４３を介して金属製の焼結ギヤが用いられたピニオン４４に噛合されている。このピニオン４４がシャーシ２１に固定された一方のラック部材４５と噛合している。また、平歯車列４３の一つが連結軸４６の両端近傍に取り付けられた連結ギヤ４７、４７の一方と噛合し、この連結ギヤ４７、４７の他方は、伝達ギヤ列４８に噛合している。この伝達ギヤ列４８は、金属製の焼結ギヤが用いられたピニオン４９を介してシャーシ２１に固定された他方のラック部材５０と噛合している。 Next, the drive part of the display board 24 is demonstrated. FIG. 10 is a layout view showing the drive unit of the display panel of the present embodiment.
As shown in FIGS. 9 and 10, the drive unit 40 of the display board 24 has a drive motor 41 attached to the lower end of the display board 24, and the first shaft is connected to the output shaft of the drive motor 41. The gear 42a is fixed. The second helical gear 42b made of nylon that meshes with the first helical gear 42a meshes with a pinion 44 using a metal sintered gear through a spur gear train 43 that constitutes a reduction gear train. Has been. The pinion 44 meshes with one rack member 45 fixed to the chassis 21. Further, one of the spur gear trains 43 meshes with one of the connection gears 47, 47 attached in the vicinity of both ends of the coupling shaft 46, and the other of the connection gears 47, 47 meshes with the transmission gear train 48. The transmission gear train 48 meshes with the other rack member 50 fixed to the chassis 21 via a pinion 49 using a metal sintered gear.
　なお、第２はすば歯車４２ｂは、平歯車列４３のうちのひとつと一体となった２段ギヤである。第１はすば歯車４２ａは、例えばポリアセタール製であり、第２はすば歯車４２ｂは、上記のようにナイロン製である。このように互いに硬度の異なる材質のギヤ同士を噛合させることにより、静穏化を図ることができる。但し、第１はすば歯車４２ａと第２はすば歯車４２ｂの双方をナイロン製とした場合でも静穏化を図ることができる。要するに、第１はすば歯車４２ａと第２はすば歯車４２ｂの少なくとも一方をナイロン製にすれば、静穏化が図れることになる。 Note that the second helical gear 42 b is a two-stage gear integrated with one of the spur gear trains 43. The first helical gear 42a is made of, for example, polyacetal, and the second helical gear 42b is made of nylon as described above. Thus, quietness can be achieved by engaging gears of different hardnesses with each other. However, even when both the first helical gear 42a and the second helical gear 42b are made of nylon, it is possible to achieve calmness. In short, quietness can be achieved if at least one of the first helical gear 42a and the second helical gear 42b is made of nylon.
　ここで、表示板２４の下端には、図５及び図７に示すように互いに対をなす２つのブラケット５１ａ，５１ｂと、５２ａ，５２ｂが固着されている。ブラケット５１ａ，５１ｂには、平歯車列４３、ピニオン４４の回転軸がそれぞれ取り付けられ、これらの回転軸は、平歯車列４３、ピニオン４４をそれぞれ回転可能に支持している。ブラケット５２ａ，５２ｂには、伝達ギヤ列４８、ピニオン４９の回転軸がそれぞれ取り付けられ、これらの回転軸は、伝達ギヤ列４８、ピニオン４９をそれぞれ回転可能に支持している。そして、ブラケット５１ａとブラケット５２ｂには、上記連結軸４６が取り付けられている。 Here, as shown in FIGS. 5 and 7, two brackets 51a, 51b and 52a, 52b which are paired with each other are fixed to the lower end of the display plate 24. The rotation shafts of the spur gear train 43 and the pinion 44 are respectively attached to the brackets 51a and 51b, and these rotation shafts rotatably support the spur gear train 43 and the pinion 44, respectively. The rotation shafts of the transmission gear train 48 and the pinion 49 are respectively attached to the brackets 52a and 52b, and these rotation shafts support the transmission gear train 48 and the pinion 49 so as to be rotatable. The connecting shaft 46 is attached to the bracket 51a and the bracket 52b.
　したがって、駆動モータ４１を開方向に回転駆動すると、第１はすば歯車４２ａ及び第２はすば歯車４２ｂが回転し、その回転が平歯車列４３を介して減速され、ピニオン４４を介して一方のラック部材４５に対して移動する。同時に、連結ギヤ４７、４７が回転し、その回転力が伝達ギヤ列４８を介してピニオン４９を回転させることにより、他方のラック部材５０に対して移動することとなる。これにより、図５及び図６に示すように表示板２４が開いて突出する使用位置となる。一方、駆動モータ４１を閉方向に回転駆動すると、上記と反対方向に第１はすば歯車４２ａ及び第２はすば歯車４２ｂ等が回転することとなり、図７及び図８に示すように表示板２４が閉じて格納位置となる。なお、本実施形態の駆動モータ４１は、本願の第１のモータとして機能する。 Therefore, when the drive motor 41 is rotationally driven in the opening direction, the first helical gear 42a and the second helical gear 42b are rotated, and the rotation is decelerated via the spur gear train 43 and via the pinion 44. It moves relative to one rack member 45. At the same time, the connecting gears 47 and 47 are rotated, and the rotational force is moved with respect to the other rack member 50 by rotating the pinion 49 via the transmission gear train 48. Thereby, as shown in FIG.5 and FIG.6, it becomes the use position which the display board 24 opens and protrudes. On the other hand, when the drive motor 41 is rotationally driven in the closing direction, the first helical gear 42a, the second helical gear 42b, etc. rotate in the opposite direction to the above, and the display as shown in FIGS. The plate 24 is closed to the storage position. Note that the drive motor 41 of the present embodiment functions as the first motor of the present application.
　次に、蓋板２６の駆動部について説明する。図１１は本実施形態の蓋板の駆動部を示す配置図である。
　図９及び図１１に示すように、蓋板２６の駆動部６０は、シャーシ２１の起立壁２１ａに取り付けられた駆動モータ６１を有し、この駆動モータ６１の出力軸には、第１はすば歯車６２ａが固着されている。この第１はすば歯車６２ａと噛合するナイロン製の第２はすば歯車６２ｂは、減速ギヤ列を構成する平歯車列６３、焼結ギヤ６３ａを介して蓋板２６の下端に取り付けられた一方のセクタ歯車６４に噛合されている。また、平歯車列６３の一つが連結軸６５の両端近傍に取り付けられた連結ギヤ６６、６６の一方と噛合し、この連結ギヤ６６、６６の他方は、伝達ギヤ列６７、焼結ギヤ６７ａを介して他方のセクタ歯車６８に噛合している。 Next, the drive part of the cover plate 26 will be described. FIG. 11 is a layout view showing the drive unit of the lid plate of the present embodiment.
As shown in FIGS. 9 and 11, the drive unit 60 of the lid plate 26 has a drive motor 61 attached to the upright wall 21 a of the chassis 21, and an output shaft of the drive motor 61 has a first screw. The gear 62a is fixed. The second helical gear 62b made of nylon that meshes with the first helical gear 62a is attached to the lower end of the cover plate 26 via a spur gear train 63 and a sintered gear 63a constituting a reduction gear train. One sector gear 64 is engaged. Further, one spur gear train 63 meshes with one of connection gears 66 and 66 attached in the vicinity of both ends of the connection shaft 65, and the other of the connection gears 66 and 66 has a transmission gear train 67 and a sintered gear 67a. Via the other sector gear 68.
　なお、第２はすば歯車６２ｂは、第２はすば歯車４２ｂと同様に平歯車列６３のうちのひとつと一体となった２段ギヤである。第１はすば歯車６２ａは、例えばポリアセタール製であり、第２はすば歯車６２ｂは、上記のようにナイロン製である。また、第１はすば歯車６２ａと第２はすば歯車６２ｂの双方をナイロン製としてもよい。要するに、第１はすば歯車４２ａと第２はすば歯車４２ｂと同様に、第１はすば歯車６２ａと第２はすば歯車６２ｂの少なくとも一方をナイロン製にすれば、静穏化が図れることになる。 Note that the second helical gear 62b is a two-stage gear integrated with one of the spur gear trains 63 in the same manner as the second helical gear 42b. The first helical gear 62a is made of, for example, polyacetal, and the second helical gear 62b is made of nylon as described above. Further, both the first helical gear 62a and the second helical gear 62b may be made of nylon. In short, as with the first helical gear 42a and the second helical gear 42b, quietness can be achieved if at least one of the first helical gear 62a and the second helical gear 62b is made of nylon. It will be.
　さらに、シャーシ２１の起立壁２１ａ，２１ｂには、図９に示すように平歯車列６３の回転軸が取り付けられている。また、シャーシ２１の図示しない起立壁には、焼結ギヤ６３ａ（図１１に示す）の回転軸が取り付けられている。これらの回転軸は、平歯車列６３、ギヤ６３ａをそれぞれ回転可能に支持している。そして、シャーシ２１には、図９に示すように起立壁２１ｃ，２１ｄが固着され、起立壁２１ｃ，２１ｄには伝達ギヤ列６７、焼結ギヤ６７ａ（図１１に示す）の回転軸が取り付けられ、これらの回転軸は伝達ギヤ列６７、焼結ギヤ６７ａをそれぞれ回転可能に支持している。起立壁２１ａ，２１ｄには、上記連結軸６５が取り付けられている。 Furthermore, a rotating shaft of a spur gear train 63 is attached to the standing walls 21a and 21b of the chassis 21 as shown in FIG. A rotating shaft of a sintered gear 63a (shown in FIG. 11) is attached to a standing wall (not shown) of the chassis 21. These rotary shafts rotatably support the spur gear train 63 and the gear 63a. As shown in FIG. 9, upright walls 21c and 21d are fixed to the chassis 21, and a rotating shaft of a transmission gear train 67 and a sintered gear 67a (shown in FIG. 11) is attached to the upright walls 21c and 21d. These rotation shafts rotatably support the transmission gear train 67 and the sintered gear 67a. The connecting shaft 65 is attached to the standing walls 21a and 21d.
　したがって、駆動モータ６１を開方向に回転駆動すると、第１はすば歯車６２ａ及び第２はすば歯車６２ｂが回転駆動し、その回転速度が平歯車列６３を介して減速され、その回転力が蓋板２６の下端に取り付けられた一方のセクタ歯車６４を一方向に移動させる。同時に、連結ギヤ６６、６６が回転し、その回転力が伝達ギヤ列６７を介して他方のセクタ歯車６８を一方向に移動させる。これにより、図５及び図６に示すように蓋板２６が開いて使用位置となる。一方、駆動モータ６１を閉方向に回転駆動すると、上記と反対方向に第１はすば歯車６２ａ及び第２はすば歯車６２ｂ等が回転することとなり、図７及び図８に示すように蓋板２６が閉じて格納位置となる。なお、本実施形態の駆動モータ６１は、本願の第２のモータとして機能する。 Therefore, when the drive motor 61 is rotationally driven in the opening direction, the first helical gear 62a and the second helical gear 62b are rotationally driven, the rotational speed thereof is reduced via the spur gear train 63, and the rotational force Moves one sector gear 64 attached to the lower end of the cover plate 26 in one direction. At the same time, the connecting gears 66 and 66 rotate, and the rotational force moves the other sector gear 68 in one direction via the transmission gear train 67. Thereby, as shown in FIG.5 and FIG.6, the cover plate 26 opens and it becomes a use position. On the other hand, when the drive motor 61 is rotationally driven in the closing direction, the first helical gear 62a, the second helical gear 62b, etc. rotate in the opposite direction to the above, and as shown in FIGS. The plate 26 is closed to the storage position. In addition, the drive motor 61 of this embodiment functions as the 2nd motor of this application.
　また、表示板２４及び蓋板２６の駆動部として機能する駆動モータ４１、６１は、図１２に示すように制御部１００によって駆動制御される。図１２はディスプレイ装置において表示板及び蓋板を駆動するためのシステム構成図の一例である。 Further, the drive motors 41 and 61 functioning as drive units for the display plate 24 and the cover plate 26 are driven and controlled by the control unit 100 as shown in FIG. FIG. 12 is an example of a system configuration diagram for driving the display plate and the cover plate in the display device.
　図１２に示すように、ディスプレイ装置１は制御部１００を備えている。当該制御部１００は、図示しないがＣＰＵ（Central Processing Unit）、ＲＡＭ（Random Access Memory）、ＲＯＭ（Read Only Memory）等を備え、当該ＣＰＵが、例えばＲＯＭに記憶された各種プログラムを実行することにより、ディスプレイ装置１全体を制御し、本願の駆動制御手段、検知手段、保持手段、解除手段、及び検知手段として機能する。具体的には、制御部１００は、ユーザによる表示板２４の開閉指示に基づいて当該表示板２４を開閉させるための駆動モータ４１（以下、「表示板用駆動モータ４１」と称する。）、及び蓋板２６を開閉させるための駆動モータ６１（以下、「蓋板用駆動モータ６１」と称する。）を回転駆動させるためのモータドライバを制御する。さらに具体的には、制御部１００は、表示板２４及び蓋板２６の開閉動作において、複数の検出部１０１（例えば、角度センサ）によって検出された情報をモニターしつつ前記駆動モータ４１、６１の回転方向や回転速度を逐次駆動制御する。また、表示板２４の開く動作に基づいてディスプレイマイコン１０３による制御によりディスプレイ１０５に所定の情報を表示する。 As shown in FIG. 12, the display device 1 includes a control unit 100. Although not shown, the control unit 100 includes a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), and the like, and the CPU executes various programs stored in the ROM, for example. The display device 1 is controlled as a whole, and functions as drive control means, detection means, holding means, release means, and detection means of the present application. Specifically, the control unit 100 drives and opens the display board 24 based on an instruction to open and close the display board 24 by the user (hereinafter referred to as “display board drive motor 41”), and A motor driver for rotationally driving a drive motor 61 for opening and closing the lid plate 26 (hereinafter referred to as “lid plate drive motor 61”) is controlled. More specifically, the control unit 100 monitors the information detected by a plurality of detection units 101 (for example, angle sensors) in the opening / closing operation of the display plate 24 and the cover plate 26, and controls the drive motors 41 and 61. The rotation direction and rotation speed are sequentially driven and controlled. Also, predetermined information is displayed on the display 105 under the control of the display microcomputer 103 based on the opening operation of the display board 24.
　また、車両側には車両全体を統括制御するための図示しないシステム制御部を備え、当該システム制御部は、一般に車両に仕様として設けられている乗員保護装置（エアバック等）を動作制御する。乗員保護装置は、車両に対する外部からの衝撃を検知し、その検知結果に基づいて、システム制御部がエアバック本体を動作させるための動作信号をエアバック本体に出力しエアバック本体を動作させる。当該エアバック本体は、例えば、ダッシュボード内に配置され、車両への衝撃により膨らんで当該衝撃による乗員の前方への移動を受け止める。また、車両に対する外部からの衝撃を検知する検知装置は、車両のメインフレームなどに取り付けられ、その振動などを検知する。システム制御部は、検知装置が衝撃を検知した場合に、エアバッグ本体を動作させる動作信号をエアバッグ本体に出力する。制御部１００は、当該動作信号に基づいて、表示板用駆動モータ４１及び蓋板用駆動モータ６１に駆動電圧を印加するための２つの端子間を開放する。 Further, a system control unit (not shown) for overall control of the entire vehicle is provided on the vehicle side, and the system control unit controls the operation of an occupant protection device (such as an air bag) generally provided as a specification for the vehicle. The occupant protection device detects an external impact on the vehicle, and based on the detection result, the system control unit outputs an operation signal for operating the airbag body to the airbag body to operate the airbag body. The airbag main body is disposed, for example, in a dashboard, and inflates due to an impact on the vehicle, and receives a forward movement of the occupant due to the impact. In addition, a detection device that detects an external impact on the vehicle is attached to the main frame of the vehicle and detects vibrations thereof. The system control unit outputs an operation signal for operating the airbag body to the airbag body when the detection device detects an impact. Based on the operation signal, the control unit 100 opens between two terminals for applying a drive voltage to the display plate drive motor 41 and the cover plate drive motor 61.
　なお、本実施形態では、上記に示すように、一般に車両に設けられている乗員保護装置（エアバック等）の動作信号を検出することで車両の衝突や横転などを検出（間接的に車両の衝突などを検出）しているが、別途設けられる車両の衝突などを検知する検知装置から直接車両の衝突等を検出するようにしてもかまわない。 In the present embodiment, as described above, a collision or a rollover of the vehicle is detected by detecting an operation signal of an occupant protection device (such as an air bag) generally provided in the vehicle (indirectly of the vehicle). Although a collision or the like is detected), a vehicle collision or the like may be detected directly from a separately provided detection device that detects a vehicle collision or the like.
　制御部１００における開閉動作の制御において、表示板２４が使用位置にある時は、蓋板用駆動モータ６１を閉方向に回転駆動するとともに、表示板用駆動モータ４１に駆動電圧を印加するための２つの端子間を短絡する。これにより、表示板２４及び蓋板２６が使用位置に保持される。また、当該表示板２４が使用位置に保持されている時に、車両が障害物に衝突したりすることによって車両側のシステム制御部がエアバック本体に対して動作信号を出力する際（車両に対する衝撃が検知された際）には、本車載用ディスプレイ装置１の制御部１００も当該動作信号を検出し、これを検出したときには、制御部１００は表示板用駆動モータ４１及び蓋板用駆動モータ６１に駆動電圧を印加するための２つの端子間のそれぞれを開放する。これにより、たとえば、車両の衝突等により搭乗者がディスプレイ１０５に衝突したとしても、表示板２４や蓋板２６の保持が解除されるため、表示板２４及び蓋板２６は自由に回動可能となっている。よって、表示板２４及び蓋板２６は当該搭乗者が衝突したとしても格納位置へと回動し衝突時の搭乗者への衝撃を緩和可能である。また、表示板２４や蓋板２６の重さなどを調整することで当該表示板２４や蓋板２６は自重により格納位置へと回動可能となる。 In the control of the opening / closing operation in the control unit 100, when the display plate 24 is in the use position, the cover plate drive motor 61 is rotationally driven in the closing direction and a drive voltage is applied to the display plate drive motor 41. Short-circuit between two terminals. Thereby, the display board 24 and the cover board 26 are hold | maintained in a use position. In addition, when the display panel 24 is held at the use position, when the system control unit on the vehicle side outputs an operation signal to the airbag body due to the vehicle colliding with an obstacle (impact on the vehicle). Is detected), the control unit 100 of the in-vehicle display device 1 also detects the operation signal, and when detecting the operation signal, the control unit 100 detects the display plate drive motor 41 and the cover plate drive motor 61. Each of the two terminals for applying a driving voltage to the terminal is opened. Thereby, for example, even if a passenger collides with the display 105 due to a vehicle collision or the like, the holding of the display plate 24 and the cover plate 26 is released, so that the display plate 24 and the cover plate 26 can freely rotate. It has become. Therefore, even if the said passenger collides, the display board 24 and the cover board 26 can be rotated to a storing position, and can reduce the impact to the passenger at the time of a collision. Further, by adjusting the weight of the display plate 24 and the cover plate 26, the display plate 24 and the cover plate 26 can be rotated to the storage position by their own weight.
　更に、駆動モータ４１、６１の駆動力を表示板２４や蓋板２６に伝達する駆動部４０のギヤ構成は、ウォームギヤを使用せず、はすば歯車（第１はすば歯車４２ａ、第２はすば歯車４２ｂ）と平歯車（平歯車列４３）によって構成していることによって、駆動モータの端子間を開放した際に表示板、蓋板が楽に動き易く、車両の衝突などにより仮に搭乗者が当該表示板や蓋板に衝突してもその衝撃を緩和することができる。 Furthermore, the gear configuration of the drive unit 40 that transmits the driving force of the drive motors 41 and 61 to the display plate 24 and the cover plate 26 does not use a worm gear, and a helical gear (first helical gear 42a, second helical gear 42a The helical gear 42b) and the spur gear (spur gear train 43) make it easy to move the display plate and cover plate when the terminals of the drive motor are opened. Even if a person collides with the display plate or the cover plate, the impact can be reduced.
　ここで、表示板２４及び蓋板２６を開く際の動作ついて図１３を用いて説明する。図１３は表示板を開く時の表示部用駆動モータと蓋部用駆動モータの制御状態、及び表示板と蓋板の動作状態を示すタイミングチャートである。 Here, the operation when the display plate 24 and the cover plate 26 are opened will be described with reference to FIG. FIG. 13 is a timing chart showing the control state of the display portion drive motor and the lid portion drive motor when the display plate is opened, and the operation state of the display plate and the cover plate.
　なお、図１３に示すＡ領域は蓋板用駆動モータに駆動電圧を印加するための２つの端子間への信号の制御例を示し、Ｂ領域は蓋板用駆動モータへの印加電圧の制御例を示す。また、Ｃ領域は表示板用駆動モータに駆動電圧を印加するための２つの端子間への信号の制御例を示し、Ｄ領域は表示板用駆動モータへの印加電圧の制御例を示す。また、Ａ及びＣ領域における縦軸は信号のＯＮ、ＯＦＦ状態を示し、横軸は時間軸を示す。また、Ｂ及びＤ領域における縦軸は印加電圧を示し、横軸は時間軸を示す。また、Ｅ領域は表示板及び蓋板の開閉動作における動作角度を示す。当該Ｅ領域における縦軸は格納位置を０°とした時の動作角度を示し、横軸は時間軸を示す。 13 shows a control example of a signal between two terminals for applying a driving voltage to the cover plate drive motor, and B region shows a control example of the applied voltage to the cover plate drive motor. Indicates. A region C shows an example of control of a signal between two terminals for applying a driving voltage to the display panel drive motor, and a region D shows an example of control of the applied voltage to the display plate drive motor. In the A and C regions, the vertical axis indicates the ON / OFF state of the signal, and the horizontal axis indicates the time axis. In the B and D regions, the vertical axis represents the applied voltage, and the horizontal axis represents the time axis. An E area indicates an operation angle in the opening / closing operation of the display plate and the cover plate. The vertical axis in the E region indicates the operating angle when the storage position is 0 °, and the horizontal axis indicates the time axis.
　また、以下の説明において、表示板２４及び蓋板２６を閉方向へ駆動させるために駆動モータ４１、６１を回転駆動させる制御方式を「クローズ制御」と称し、表示板２４及び蓋板２６を開方向へ駆動させるために駆動モータ４１、６１を回転駆動させる制御方式を「オープン制御」と称する。また、駆動モータ４１、６１に電圧を供給するための２つの端子間をショート（短絡）させる制御方式を「ブレーキ制御」と称する。さらに、クローズ制御中に所定の間隔でブレーキ制御を行う制御方式を「ポンピング制御」と称する。 In the following description, a control method for rotating the drive motors 41 and 61 to drive the display plate 24 and the cover plate 26 in the closing direction is referred to as “close control”, and the display plate 24 and the cover plate 26 are opened. A control method in which the drive motors 41 and 61 are driven to rotate in the direction is referred to as “open control”. A control method for short-circuiting two terminals for supplying voltage to the drive motors 41 and 61 is referred to as “brake control”. Further, a control method for performing brake control at predetermined intervals during the close control is referred to as “pumping control”.
　図１３に示すように、まず、制御部１００は、表示板２４及び蓋板２６が閉じた格納位置（図８参照）において、表示板用駆動モータ４１、及び蓋板用駆動モータ６１をクローズ制御する。（状態“○１”参照）。このようにして蓋板２６を閉方向に駆動させることでカバー１１がケース１２に位置決めされ、一方、表示板２４を閉方向に駆動させることで蓋板２６の案内溝３０内の後端面に案内ピン２７が当接して位置決めされる。そして蓋板２６及び表示板２４を閉方向に駆動させ続けることでカバー１１がケース１２に押し付けられ、且つ案内ピン２７が案内溝３０内の下端面に押し付けられるため前記位置決めされた状態が保持されて、車両の振動などによるガタつきを抑えることが可能である。 As shown in FIG. 13, first, the control unit 100 controls the display plate drive motor 41 and the cover plate drive motor 61 to be closed at the storage position (see FIG. 8) where the display plate 24 and the cover plate 26 are closed. To do. (Refer to state “◯ 1”). In this way, the cover 11 is driven in the closing direction to position the cover 11 in the case 12, while the display plate 24 is driven in the closing direction to guide the rear end surface in the guide groove 30 of the lid plate 26. The pin 27 is abutted and positioned. By continuing to drive the cover plate 26 and the display plate 24 in the closing direction, the cover 11 is pressed against the case 12, and the guide pin 27 is pressed against the lower end surface in the guide groove 30, so that the positioned state is maintained. Thus, it is possible to suppress the rattling caused by the vibration of the vehicle.
　次に、制御部１００は、表示板２４及び蓋板２６が格納位置（図８参照）から使用位置（図６参照）になるように表示板２４及び蓋板２６を開く際において、表示板用駆動モータ４１及び蓋板用駆動モータ６１をブレーキ制御する。（状態“○２”参照）。このように、表示板用駆動モータ４１及び蓋板用駆動モータ６１の駆動方向を逆にする際には、一旦双方の駆動モータ４１、６１をブレーキ制御する。これによりモータの負荷を軽減できるとともに、急な逆回転の制御によってモータから発生する異音の発生を防止することができる。そしてスムーズに表示板２４や蓋板２６を動作させる（開く）ことができる。 Next, when opening the display plate 24 and the cover plate 26 so that the display plate 24 and the cover plate 26 are moved from the storage position (see FIG. 8) to the use position (see FIG. 6), the control unit 100 The drive motor 41 and the cover plate drive motor 61 are brake controlled. (Refer to state “状態 2”). Thus, when the drive directions of the display plate drive motor 41 and the lid plate drive motor 61 are reversed, both the drive motors 41 and 61 are once brake-controlled. As a result, the load on the motor can be reduced, and abnormal noise generated from the motor can be prevented by sudden reverse rotation control. The display plate 24 and the cover plate 26 can be operated (opened) smoothly.
　次に、制御部１００は、表示板用駆動モータ４１及び蓋板用駆動モータ６１を駆動するための端子に印加する電圧を制御して、双方の駆動モータ４１、６１をオープン制御する（状態“○３”参照）。また、その際に表示板用駆動モータ４１及び蓋板用駆動モータ６１には、図１３のＺに示すように、予め規定される電圧に徐々に近づくように（徐々に増加させて）、双方の駆動モータ４１、６１に印加される電圧が制御される。これにより、急激な動作による案内溝３０と案内ピン２７との接触音などの異音の発生が防止されるとともに、スムーズに表示板２４や蓋板２６を開くことができる。 Next, the control unit 100 controls the voltage applied to the terminals for driving the display plate drive motor 41 and the cover plate drive motor 61 to open-control both the drive motors 41 and 61 (state “ ○ See 3 ”). At that time, both the display plate drive motor 41 and the cover plate drive motor 61 are gradually approached (increase gradually) as shown in Z of FIG. The voltage applied to the drive motors 41 and 61 is controlled. Thereby, generation | occurrence | production of unusual noises, such as a contact sound of the guide groove 30 and the guide pin 27 by rapid operation | movement, is prevented, and the display board 24 and the cover board 26 can be opened smoothly.
　ここで、表示板２４や蓋板２６を開き、案内ピン２７が直線部３２から湾曲部３３へ移動する境目（接続部）（以下、「変曲点」と称する。）における動作を説明する。案内ピン２７が直線部３２を移動する間は、表示板２４と蓋板２６とは共に開く動作を行い、変曲点以降の湾曲部３３を案内ピン２７が移動する際は、蓋板２６は停止して表示板２４のみが開く動作を続行する。このように蓋板２６が変曲点にて停止するときに滑らかに停止させるために、図１３のＹに示すように、制御部１００は、案内ピン２７が変曲点に達する前から蓋板用駆動モータ６１に印加する電圧を下げ始め、そして変曲点をすぎるまで徐々に下げる（状態“○３”参照）。これにより、蓋板２６を滑らかに停止させるとともに変曲点における案内溝３０と案内ピン２７との接触音などの異音の発生を防止できる。また、案内ピン２７を案内溝３０内側端面に摺接させて移動させることができるため、ガタツキ音などの異音の発生を防止し、スムーズに表示板２４や蓋板２６を動作させることができる。 Here, the operation at the boundary (connection portion) (hereinafter referred to as “inflection point”) where the display plate 24 and the cover plate 26 are opened and the guide pin 27 moves from the straight portion 32 to the bending portion 33 will be described. While the guide pin 27 moves along the linear portion 32, the display plate 24 and the lid plate 26 are both opened, and when the guide pin 27 moves along the curved portion 33 after the inflection point, the lid plate 26 The operation of stopping and opening only the display panel 24 is continued. In order to smoothly stop the cover plate 26 at the inflection point in this way, as shown in Y of FIG. 13, the control unit 100 allows the cover plate before the guide pin 27 reaches the inflection point. The voltage applied to the drive motor 61 is started to be lowered, and then gradually lowered until the inflection point is passed (see state “◯ 3”). As a result, the lid plate 26 can be stopped smoothly, and abnormal noise such as contact sound between the guide groove 30 and the guide pin 27 at the inflection point can be prevented. Further, since the guide pin 27 can be moved in sliding contact with the inner end face of the guide groove 30, the generation of abnormal noise such as rattling noise can be prevented and the display plate 24 and the cover plate 26 can be operated smoothly. .
　また、案内ピン２７が変曲点通過後、湾曲部３３を移動する際は、蓋板２６は開ききった状態を保持し、表示板２４のみの開き角度が増すように動作する（状態“○４”参照）。この時、蓋板用駆動モータ６１はオープン制御されているため、案内ピン２７が案内溝３０の下端面を摺動して動作する。このようにして、表示板２４が開ききる状態（使用位置）まで双方の駆動モータ４１、６１がオープン制御される。
　次に、制御部１００は、表示板用駆動モータ４１及び蓋板用駆動モータ６１をブレーキ制御する。（状態“○５”参照）。これにより、蓋板２６が自重によって閉方向に移動し、所定の係止溝３１ａに案内ピン２７が係止される。なお、表示板２４は使用位置では垂直に近い状態となるため、自重によって閉方向に移動することなくブレーキ制御によって自立可能である。 Further, when the guide pin 27 moves through the inflection point and moves the bending portion 33, the cover plate 26 keeps the fully opened state and operates so that the opening angle of only the display plate 24 increases (state “◯”). 4 "). At this time, since the lid plate drive motor 61 is controlled to open, the guide pin 27 operates by sliding on the lower end surface of the guide groove 30. In this way, the drive motors 41 and 61 are both open controlled until the display plate 24 is fully opened (use position).
Next, the control unit 100 performs brake control on the display plate drive motor 41 and the lid plate drive motor 61. (Refer to state “◯ 5”). Thereby, the cover plate 26 is moved in the closing direction by its own weight, and the guide pin 27 is locked in the predetermined locking groove 31a. In addition, since the display board 24 will be in the state near perpendicular | vertical in a use position, it can be independent by brake control, without moving to a closing direction with dead weight.
　次に、制御部１００は、使用位置において、表示板用駆動モータ４１をブレーキ制御したまま、蓋板用駆動モータ６１をクローズ制御する（状態“○６”参照）。これにより、案内ピン２７に対して案内溝３０の内側端面が押し付けられて負荷が与えられ、表示板２４及び蓋板２６の上部が固定されて、車両の振動などによる表示板２４及び蓋板２６のガタツキを防止することができる。 Next, in the use position, the control unit 100 performs the close control on the cover plate drive motor 61 while performing brake control on the display plate drive motor 41 (see state “◯ 6”). As a result, the inner end face of the guide groove 30 is pressed against the guide pin 27 and a load is applied, and the upper portions of the display plate 24 and the cover plate 26 are fixed, and the display plate 24 and the cover plate 26 due to vehicle vibrations or the like. Can be prevented.
　次に、本実施形態の車載用ディスプレイ装置１の動作を説明する。
　まず、本実施形態の車載用ディスプレイ装置１は、図７及び図８に示すように不使用時の格納位置では、ディスプレイ２３を保持する表示板２４及び図２に示すカバー１１を保持する蓋板２６が閉じた状態であり、ケース１２内、すなわちカバー１１がダッシュボード２と略同一面となって完全に格納されている。このとき、案内板２８は、案内溝３０内の後端に案内ピン２７が係止されている。また、表示板２４及び蓋板２６は、ねじりコイルばね３３、３３及びねじりコイルばね３４、３４により、それぞれ常時閉方向、つまり格納位置を保持する方向に付勢されている。また、表示板用駆動モータ４１及び蓋板用駆動モータ６１の双方を制御部１００によって閉方向に駆動させている。これにより、表示板２４及び蓋板２６がケース側に押し付けられた状態で保持されるため、車両に振動が発生したとしても表示板２４及び蓋板２６のがたつきを防止することができる。 Next, the operation of the in-vehicle display device 1 of this embodiment will be described.
First, the in-vehicle display device 1 according to the present embodiment includes a display plate 24 that holds the display 23 and a cover plate that holds the cover 11 shown in FIG. 2 in the storage position when not in use as shown in FIGS. 26 is in a closed state, and the case 12, that is, the cover 11 is substantially flush with the dashboard 2 and is completely stored. At this time, the guide pin 27 is locked to the rear end of the guide groove 30 in the guide plate 28. Further, the display plate 24 and the cover plate 26 are urged by the torsion coil springs 33 and 33 and the torsion coil springs 34 and 34, respectively, in the normally closed direction, that is, the direction for holding the storage position. Further, both the display plate drive motor 41 and the lid plate drive motor 61 are driven in the closing direction by the control unit 100. Thereby, since the display plate 24 and the cover plate 26 are held in a state of being pressed against the case side, even if vibrations occur in the vehicle, the display plate 24 and the cover plate 26 can be prevented from rattling.
　次に、本実施形態の車載用ディスプレイ装置１を使用位置に開くには、図示しないオープン用スイッチの押圧操作に基づき制御部１００が表示板２４及び蓋板２６のそれぞれの駆動モータ４１，６１をオープン制御する。この時、制御部１００は、表示板用駆動モータ４１及び蓋板用駆動モータ６１をブレーキ制御した後、当該表示板用駆動モータ４１及び蓋板用駆動モータ６１をオープン制御する。 Next, in order to open the in-vehicle display device 1 of the present embodiment to the use position, the control unit 100 activates the drive motors 41 and 61 of the display plate 24 and the cover plate 26 based on a pressing operation of an opening switch (not shown). Open control. At this time, the control unit 100 performs brake control on the display plate drive motor 41 and the cover plate drive motor 61, and then performs open control on the display plate drive motor 41 and the cover plate drive motor 61.
　表示板用駆動モータ４１をオープン制御すると、図９及び図１０に示すように、第１はすば歯車４２ａ及び第２はすば歯車４２ｂが回転し、その回転が平歯車列４３を介して減速され、ピニオン４４を介して一方のラック部材４５に対して移動する。同時に、連結ギヤ４７，４７が回転し、その回転力が伝達ギヤ列４８を介してピニオン４９を回転させることにより、他方のラック部材５０に対して移動することとなる。一方、蓋板用駆動モータ６１をオープン制御すると、図９及び図１１に示すように、第１はすば歯車６２ａ及び第２はすば歯車６２ｂが回転し、その回転速度が平歯車列６３を介して減速され、その回転力が蓋板２６の下端に取り付けられた一方のセクタ歯車６４を一方向に移動させる。同時に、連結ギヤ６６，６６が回転し、その回転力が伝達ギヤ列６７を介して他方のセクタ歯車６８を一方向に移動させる。 When the display plate drive motor 41 is controlled to open, the first helical gear 42a and the second helical gear 42b rotate as shown in FIGS. It is decelerated and moves relative to one rack member 45 via the pinion 44. At the same time, the connecting gears 47 and 47 are rotated, and the rotational force is moved with respect to the other rack member 50 by rotating the pinion 49 via the transmission gear train 48. On the other hand, when the lid plate drive motor 61 is controlled to open, as shown in FIGS. 9 and 11, the first helical gear 62a and the second helical gear 62b rotate, and the rotational speed thereof is the spur gear train 63. , And the rotational force moves one sector gear 64 attached to the lower end of the cover plate 26 in one direction. At the same time, the connecting gears 66 and 66 rotate, and the rotational force moves the other sector gear 68 in one direction via the transmission gear train 67.
　また、前記オープン制御開始時には、制御部１００によって、表示板用駆動モータ４１及び蓋板用駆動モータ６１に印加される電圧が予め規定される電圧に徐々に近づくように制御される。そして、案内ピン３０が案内溝３０の直線部３２を通り、当該案内ピン３０が案内溝３０の変曲点に達する前から蓋板用駆動モータ６１に印加される電圧が徐々に下げられる。 Further, at the start of the open control, the control unit 100 controls the voltage applied to the display plate drive motor 41 and the cover plate drive motor 61 so as to gradually approach a predetermined voltage. The voltage applied to the cover plate drive motor 61 is gradually lowered before the guide pin 30 passes through the straight portion 32 of the guide groove 30 and before the guide pin 30 reaches the inflection point of the guide groove 30.
　その結果、図１４に示すように表示板２４の両側面上端に突出して固定した案内ピン２７が蓋板２６の案内溝３０の後端側から直線部３２、係止部３１を経て移動して前端の係止溝３１ａに係止される。これにより、図５及び図６に示すように表示板２４及び蓋板２６が開いて使用位置となり、ディスプレイ２３を視認可能な位置まで突出させることができる。 As a result, as shown in FIG. 14, the guide pin 27 protruding and fixed at the upper ends of both side surfaces of the display plate 24 moves from the rear end side of the guide groove 30 of the lid plate 26 through the linear portion 32 and the locking portion 31. It is locked in the locking groove 31a at the front end. As a result, as shown in FIGS. 5 and 6, the display plate 24 and the cover plate 26 are opened to the use position, and the display 23 can be projected to a position where it can be visually recognized.
　このとき、表示板２４及び蓋板２６は、ねじりコイルばね３３、３３及びねじりコイルばね３４、３４により、それぞれ閉方向に付勢されつつ、その付勢力に抗して徐々に開いていくので、がたつくことなく円滑に開動作をさせることができ、動作の信頼性が向上し、高級感が得られる。そして、表示板２４の両側面上端に案内ピン２７がそれぞれ突出して固定される一方、蓋板２６の上部両側面に案内板２８が形成され、これらの案内板２８にそれぞれ案内ピン２７が移動する案内溝３０が形成されているので、表示板２４及び蓋板２６は、それぞれ上端部分で案内ピン２７が案内溝３０内を移動する。そのため、回転軸２２、２５を中心に各々回動する部材の先端側部分が互いに規制されるので車両走行中であってもがたつくことなく円滑に開動作させることができる。 At this time, the display plate 24 and the cover plate 26 are gradually biased against the biasing force while being biased in the closing direction by the torsion coil springs 33 and 33 and the torsion coil springs 34 and 34, respectively. The opening operation can be smoothly performed without rattling, improving the reliability of the operation and obtaining a high-class feeling. The guide pins 27 protrude and are fixed to the upper ends of both side surfaces of the display plate 24, and the guide plates 28 are formed on both upper side surfaces of the lid plate 26. The guide pins 27 move to these guide plates 28, respectively. Since the guide groove 30 is formed, the guide pin 27 moves in the guide groove 30 at the upper end portions of the display plate 24 and the cover plate 26, respectively. For this reason, since the front end portions of the members that rotate about the rotation shafts 22 and 25 are regulated with respect to each other, the opening operation can be smoothly performed without rattling even while the vehicle is running.
　また、表示板２４及び蓋板２６が開いた使用位置では、制御部１００は、蓋板用駆動モータ６１をクローズ制御し、表示用駆動モータ４１をブレーキ制御する。これにより、表示板２４及び蓋板２６は、ねじりコイルばね３３，３３及びねじりコイルばね３４、３４と相俟って、常に案内ピン２７を係止溝３１ａに食い込ませるように係止することができるため、ディスプレイ２３の振動を未然に防止することができ、ディスプレイ２３を見易くすることができる。 In the use position where the display plate 24 and the cover plate 26 are opened, the control unit 100 performs the close control of the cover plate drive motor 61 and the brake control of the display drive motor 41. As a result, the display plate 24 and the cover plate 26, together with the torsion coil springs 33 and 33 and the torsion coil springs 34 and 34, can be locked so that the guide pin 27 is always bite into the locking groove 31a. Therefore, the vibration of the display 23 can be prevented in advance, and the display 23 can be easily viewed.
　また、制御部１００は、表示板２４及び蓋板２６が使用位置にある時に、車両が障害物に衝突したりすることによって車両側のシステム制御部がエアバック本体に対して動作信号を出力する際（車両に対する衝撃が検知された際）には、本車載用ディスプレイ装置１の制御部１００も当該動作信号を検出し、これを検出したときには、制御部１００は表示板用駆動モータ４１及び蓋板用駆動モータ６１に駆動電圧を印加するための２つの端子間のそれぞれを開放する。 In addition, when the display plate 24 and the cover plate 26 are in the use position, the control unit 100 causes the system control unit on the vehicle side to output an operation signal to the airbag body when the vehicle collides with an obstacle. At the time (when an impact on the vehicle is detected), the control unit 100 of the in-vehicle display device 1 also detects the operation signal, and when this is detected, the control unit 100 detects the display plate drive motor 41 and the lid. Each of the two terminals for applying a driving voltage to the plate driving motor 61 is opened.
　これにより、表示板２４及び蓋板２６の保持機能が解除され、搭乗者などの手によって自由に回動可能になる。よって、表示板２４は当該当愛搭乗者の衝突により格納位置へと回動し衝突時の衝撃を緩和可能である。また、表示板２４や蓋板２６の重量を調整等することにより、表示板２４や蓋板２６はその自重により使用位置から格納位置へと回動可能とすることができる。このようにすれば、車両の衝突時に表示板２４や蓋板２６が格納位置へと閉じられる。 Thereby, the holding function of the display plate 24 and the cover plate 26 is released, and the display plate 24 and the lid plate 26 can be freely rotated by a passenger's hand. Therefore, the display board 24 can be rotated to the storage position by the collision of the love passenger, and the impact at the time of the collision can be reduced. Further, by adjusting the weight of the display plate 24 and the cover plate 26, the display plate 24 and the cover plate 26 can be rotated from the use position to the storage position by their own weight. If it does in this way, the display board 24 and the cover board 26 will be closed to a storing position at the time of a vehicle collision.
　また、本実施形態の車載用ディスプレイ装置１を使用位置から格納位置に閉じるには、図示しないクローズ用スイッチのユーザによる押圧操作に基づき制御部１００が表示板２４及び蓋板２６のそれぞれの駆動モータ４１，６１を制御する。 Further, in order to close the in-vehicle display device 1 of the present embodiment from the use position to the storage position, the control unit 100 drives each of the display plate 24 and the cover plate 26 based on a pressing operation of a closing switch (not shown). 41 and 61 are controlled.
　まず、表示板用駆動モータ４１をブレーキ制御し、蓋板用駆動モータ６１をオープン制御する。これにより、案内ピン２７が係止溝３１ａから解放される。 First, the display plate drive motor 41 is brake-controlled and the lid plate drive motor 61 is open-controlled. Thereby, the guide pin 27 is released from the locking groove 31a.
　次に、蓋板用駆動モータ６１のオープン制御を維持したまま、表示板用駆動モータ４１を閉方向にポンピング制御する。そして、案内ピン２７が湾曲部３３を通過し変曲点付近では、表示板用駆動モータ４１のポンピング制御を維持したまま、蓋板用駆動モータ６１をブレーキ制御する。さらに、案内ピン２７が変曲点を通過した後は、表示板用駆動モータ４１及び蓋板用駆動モータ６１を閉方向にポンピング制御する。 Next, the display plate drive motor 41 is pumped in the closing direction while maintaining the open control of the lid plate drive motor 61. When the guide pin 27 passes through the bending portion 33 and near the inflection point, the lid plate drive motor 61 is brake-controlled while maintaining the pumping control of the display plate drive motor 41. Further, after the guide pin 27 passes the inflection point, the display plate drive motor 41 and the cover plate drive motor 61 are pumped in the closing direction.
　ここで、表示板用駆動モータ４１を閉方向に駆動させると、図９及び図１０に示すように、第１はすば歯車４２ａ及び第２はすば歯車４２ｂが逆回転し、その回転が平歯車列４３を介して減速され、ピニオン４４を介して一方のラック部材４５に対して移動する。同時に、連結ギヤ４７，４７が逆回転し、その回転力が伝達ギヤ列４８を介してピニオン４９を逆回転させることにより、他方のラック部材５０に対して移動することとなる。一方、蓋板用駆動モータ６１を閉方向に駆動させると、図９及び図１１に示すように、第１はすば歯車６２ａ及び第２はすば歯車６２ｂが逆回転し、その回転速度が平歯車列６３を介して減速され、その回転力が蓋板２６の下端に取り付けられた一方のセクタ歯車６４を他方向に移動させる。同時に、連結ギヤ６６，６６が逆回転し、その回転力が伝達ギヤ列６７を介して他方のセクタ歯車６８を他方向に移動させる。 Here, when the display panel drive motor 41 is driven in the closing direction, as shown in FIGS. 9 and 10, the first helical gear 42a and the second helical gear 42b are reversely rotated, and the rotation of the first helical gear 42a and the second helical gear 42b is reversed. The gear is decelerated via the spur gear train 43 and moves relative to one rack member 45 via the pinion 44. At the same time, the connecting gears 47 and 47 are rotated in the reverse direction, and the rotational force moves the other rack member 50 by rotating the pinion 49 in the reverse direction via the transmission gear train 48. On the other hand, when the cover plate drive motor 61 is driven in the closing direction, as shown in FIGS. 9 and 11, the first helical gear 62a and the second helical gear 62b are rotated in reverse, and the rotation speed is The speed is reduced through the spur gear train 63, and the rotational force thereof moves one sector gear 64 attached to the lower end of the cover plate 26 in the other direction. At the same time, the connecting gears 66 and 66 rotate in reverse, and the rotational force moves the other sector gear 68 in the other direction via the transmission gear train 67.
　このように表示板２４及び蓋板用駆動モータ６１を動作させることにより、図１４に示すように案内ピン２７が案内溝３０の前端に形成された係止溝３１ａに係止された位置から湾曲部３３、直線部３２を経て移動し、案内溝３０の後端付近に係止される。これにより、図７及び図８に示すように表示板２４及び蓋板２６が閉じて格納位置となる。この格納位置では、上述したようにディスプレイ２３を保持する表示板２４及び図２に示すカバー１１を保持する蓋板２６が閉じた状態であり、ケース１２内すなわちカバー１１がダッシュボード２と略同一面となって完全に格納されていることとなる。 By operating the display plate 24 and the cover plate drive motor 61 in this manner, the guide pin 27 is curved from the position where it is locked to the locking groove 31a formed at the front end of the guide groove 30 as shown in FIG. It moves through the portion 33 and the straight portion 32 and is locked near the rear end of the guide groove 30. As a result, as shown in FIGS. 7 and 8, the display plate 24 and the cover plate 26 are closed to the storage position. In this storage position, the display plate 24 that holds the display 23 and the lid plate 26 that holds the cover 11 shown in FIG. 2 are closed as described above, and the inside of the case 12, that is, the cover 11 is substantially the same as the dashboard 2. It becomes a plane and is completely stored.
　次に、本実施形態の車載用ディスプレイ装置１において、表示板２４の傾斜角度を変更する場合について説明する。図１５は本実施形態の表示板の傾斜角度を変更した状態を示す斜視図、図１６は図１５の側面図である。 Next, the case where the inclination angle of the display plate 24 is changed in the in-vehicle display device 1 of the present embodiment will be described. FIG. 15 is a perspective view showing a state in which the inclination angle of the display panel of this embodiment is changed, and FIG. 16 is a side view of FIG.
　まず、表示板２４の案内ピン２７が例えば図５及び図６に示すように蓋板２６の案内溝３０の係止溝３１ａに係止されている位置から図１５及び図１６に示すように案内溝３０の係止溝３１ｂに係止させて表示板２４の傾斜角度を変更する場合には、チルト用スイッチを押すことにより、案内ピン２７が係止溝３１ａから係止溝３１ｂに係止されるように切り換わる。 First, as shown in FIGS. 15 and 16, the guide pin 27 of the display plate 24 is guided as shown in FIGS. 15 and 16 from the position where the guide pin 27 is locked in the locking groove 31a of the guide groove 30 of the lid plate 26 as shown in FIGS. When the inclination angle of the display plate 24 is changed by being engaged with the engagement groove 31b of the groove 30, the guide pin 27 is engaged with the engagement groove 31b from the engagement groove 31a by pressing the tilt switch. It switches as follows.
　すなわち、チルト用スイッチが押されると、制御部１００は、例えば角度センサにより検出した表示板２４及び蓋板２６の角度検出信号を得て、この角度検出信号に基づいて駆動モータ４１，６１のオン、オフを制御して案内ピン２７を係止溝３１ａから係止溝３１ｂに移動させて表示板２４の傾斜角度を変更する。 That is, when the tilt switch is pressed, the control unit 100 obtains, for example, the angle detection signals of the display plate 24 and the cover plate 26 detected by the angle sensor, and the drive motors 41 and 61 are turned on based on the angle detection signals. The guide pin 27 is moved from the locking groove 31a to the locking groove 31b by turning off, and the inclination angle of the display plate 24 is changed.
　次いで、再度チルト用スイッチが押されると、制御部１００は、上記角度センサにより検出した表示板２４及び蓋板２６の角度検出信号を得て、この角度検出信号に基づいて駆動モータ４１，６１のオン、オフを制御して案内ピン２７を係止溝３１ｂから係止溝３１ｃに移動させて表示板２４の傾斜角度を変更する。なお、この切換順序は、単なる一例であって、その逆であってもよい。 Next, when the tilt switch is pressed again, the control unit 100 obtains the angle detection signals of the display plate 24 and the lid plate 26 detected by the angle sensor, and based on the angle detection signals, the control motors 100 and 61 The guide pin 27 is moved from the locking groove 31b to the locking groove 31c by turning on and off to change the inclination angle of the display plate 24. Note that this switching order is merely an example and may be reversed.
　このように本実施形態では、表示板２４の傾斜角度を変更することにより、ディスプレイ２３の傾斜角度を変更することができるので、ディスプレイ２３を搭乗者にとって常に見易い角度に調整することができる。 As described above, in this embodiment, the inclination angle of the display 23 can be changed by changing the inclination angle of the display plate 24. Therefore, the display 23 can be adjusted to an angle that is always easy for the passenger to see.
　また、本実施形態によれば、シャーシ２１に回転軸２２を介して回動可能に取り付けられ、ディスプレイ２３を格納位置と使用位置との間で開閉可能に保持する表示板２４と、シャーシ２１に表示板２４の回転軸２２と互いに平行な回転軸２５を介して回動可能に取り付けられ、カバー１１を格納位置と使用位置との間で開閉可能に保持する蓋板２６と、案内溝３０内の前端の係止溝３１ａに案内ピン２７が係止されたとき、表示板２４及び蓋板２６が開いた使用位置となりシャーシ２１とともにトラス構造を形成することにより、構造上の強度が高くなり、堅牢となる他、車両走行中における振動の影響を受けにくくなり、ディスプレイ２３を常に見易い状態に維持することができる。 Further, according to the present embodiment, the chassis 21 is attached to the chassis 21 so as to be rotatable via the rotation shaft 22, and holds the display 23 so that it can be opened and closed between the storage position and the use position. A lid plate 26 that is rotatably attached via a rotation shaft 25 parallel to the rotation shaft 22 of the display plate 24 and holds the cover 11 so as to be openable and closable between a storage position and a use position, and a guide groove 30 When the guide pin 27 is locked in the locking groove 31a at the front end of the front panel, the display plate 24 and the cover plate 26 are in the open use position, and the truss structure is formed together with the chassis 21, thereby increasing the structural strength. In addition to being robust, it is less susceptible to vibration during vehicle travel, and the display 23 can be maintained in an easily viewable state.
　さらに、本実施形態によれば、表示板２４及び蓋板２６が開いて突出する使用位置では、表示板２４及び蓋板２６のねじりコイルばね３３、３３及びねじりコイルばね３４、３４により、表示板２４の案内ピン２７が案内溝３０の前端の係止溝３１ａ～３１ｃに食い込むように係止されることにより、上記に加え構造上の強度が一段と高くなり、さらなる堅牢化が図れ、車両走行中における振動の影響を受けにくくなり、ディスプレイ２３を常に見易い状態に維持することができる。 Further, according to the present embodiment, at the use position where the display plate 24 and the cover plate 26 are opened and protruded, the display plate 24 and the torsion coil springs 33 and 33 of the cover plate 26 are used to display the display plate. The 24 guide pins 27 are locked so as to bite into the locking grooves 31a to 31c at the front end of the guide groove 30. In addition to the above, the structural strength is further increased, and further robustness can be achieved. Thus, the display 23 can be maintained in an easily viewable state.
　なお、本願は、上記実施形態に限定することなく、種々の変更が可能である。例えば上記実施形態では、表示板２４の両側面上端に案内ピン２７がそれぞれ突出する一方、蓋板２６の上部両側面に案内板２８を形成したが、これに限定することなく、表示板２４に案内板２８を設ける一方、蓋板２６に案内ピン２７を取り付けるようにしてもよい。 Note that the present application is not limited to the above embodiment, and various modifications can be made. For example, in the above-described embodiment, the guide pins 27 protrude from the upper ends of both side surfaces of the display plate 24 and the guide plates 28 are formed on both upper side surfaces of the cover plate 26. However, the present invention is not limited to this. While providing the guide plate 28, the guide pin 27 may be attached to the lid plate 26.
　また、本実施形態では、表示板用駆動モータ４１や蓋板用駆動モータ６１を駆動制御して表示板２４や蓋板２６がガタツクことなく安定して固定されるようになっているが、車両の振動状態によって当該表示板用駆動モータ４１や蓋板用駆動モータ６１に印加する電圧を変える必要があることを考慮し、制御部に車両の傾き角度、移動速度、又は振動を検出する検出部を備え、その検出部により検出された検出値に基づいて第１のモータ、又は第２のモータに印加する電圧を可変制御するようにしても良い。 In the present embodiment, the display plate drive motor 41 and the cover plate drive motor 61 are driven and controlled so that the display plate 24 and the cover plate 26 are stably fixed without rattling. Considering that it is necessary to change the voltage applied to the display plate drive motor 41 and the cover plate drive motor 61 according to the vibration state of the vehicle, the control unit detects the vehicle tilt angle, the moving speed, or the vibration. The voltage applied to the first motor or the second motor may be variably controlled based on the detection value detected by the detection unit.
　また、上記実施形態では、本願を車載用ディスプレイ装置に適用した例について説明したが、これに限定することなく、表示板２４及び蓋板２６を格納位置と使用位置との間で開閉可能に構成したものであれば、如何なる電子機器でも適用することができる。 Moreover, although the said embodiment demonstrated the example which applied this application to the vehicle-mounted display apparatus, it is not limited to this, The display board 24 and the cover board 26 are comprised so that opening and closing is possible between a storing position and a use position. Any electronic device can be applied as long as it is.
　また、本実施形態では表示板２４と蓋板２６とを協働させて開閉制御する構造のディスプレイ装置を対象としているが、基部に軸を介して回動可能に取り付けられた表示板を備える片持ち式のディスプレイ装置に適用することも可能である。この場合、表示板が使用位置にある時に、当該表示板を開閉動作させるモータに駆動電圧を印加するための２つの端子間は短絡する。これにより、モータは自家発電によりブレーキ機能を有することとなり、使用位置において表示板２４を保持可能である。また、表示板が使用位置にある時に車両への衝撃が検知された場合、制御部は、モータの前記２つの端子間を開放する。このようにすれば、表示板の保持機能が解除され、搭乗者などの手によって又は自重により当該保持板が自由に回動可能になる。よって、表示板は、当該搭乗者が万一衝突したとしても格納位置へと回動し衝突時の衝撃を緩和可能である。 Further, in the present embodiment, the display device having a structure in which the display plate 24 and the lid plate 26 are cooperatively controlled to be opened and closed is an object. However, the display device is provided with a display plate that is rotatably attached to a base portion via a shaft. It can also be applied to a portable display device. In this case, when the display panel is in the use position, the two terminals for applying a driving voltage to the motor that opens and closes the display panel are short-circuited. As a result, the motor has a braking function by self-power generation, and can hold the display plate 24 at the use position. In addition, when an impact on the vehicle is detected when the display board is in the use position, the control unit opens between the two terminals of the motor. If it does in this way, the holding function of a display board will be canceled and the holding board will be freely rotatable by the hand of a passenger or the like or by its own weight. Therefore, even if the passenger collides, the display board can be rotated to the storage position and can reduce the impact at the time of the collision.
　また、本実施形態では、表示板用駆動モータ４１及び蓋板用駆動モータ６１の端子間を開放することで電気的に使用位置における表示板２４や蓋板２６の保持を解除して当該表示板２４や蓋板２６を自由に回動可能にしているが、駆動モータ４１、６１と表示板２４や蓋板２６とを連結する歯車群を支持しているシャフト等を移動するなどして、当該連結を解除してメカ的に表示板２４や蓋板２６を自由に回動可能にしても構わない。その他、表示板２４が使用位置にある時にメカ的にロックされている場合も上記同様に当該ロックを解除すればよい。

　 Further, in the present embodiment, by opening the terminals of the display plate drive motor 41 and the cover plate drive motor 61, the holding of the display plate 24 and the cover plate 26 in the use position is released to release the display plate. 24 and the cover plate 26 can be freely rotated. However, by moving a shaft or the like supporting a gear group that connects the drive motors 41 and 61 to the display plate 24 and the cover plate 26, the The display plate 24 and the cover plate 26 may be freely pivotable by releasing the connection. In addition, when the display plate 24 is mechanically locked when in the use position, the lock may be released as described above.

Claims (6)

  1. 　基部と、
    　前記基部の一端側に第１の軸を介して回動可能に取り付けられた表示部と、
    　前記表示部を格納位置と使用位置との間で開閉させる第１のモータと、
    　前記第１のモータを駆動制御するための駆動制御手段と、
    　を具備する移動体用のディスプレイ装置において、
    　前記使用位置において前記表示部を保持する保持手段と、
    　前記移動体に対する衝撃を検知する検知手段と、
    　前記表示部が使用位置に保持されている時に前記検知手段によって前記移動体に対する衝撃が検知された場合に、前記保持手段による表示部の保持を解除する解除手段と、
    　を備えていることを特徴とするディスプレイ装置。     The base,
    A display unit rotatably attached to one end side of the base unit via a first shaft;
    A first motor for opening and closing the display unit between a storage position and a use position;
    Drive control means for driving and controlling the first motor;
    In a display device for a moving body comprising:
    Holding means for holding the display unit at the use position;
    Detecting means for detecting an impact on the moving body;
    A release unit that releases the holding of the display unit by the holding unit when the detection unit detects an impact on the moving body when the display unit is held at a use position;
    A display device comprising:
  2. 　前記保持手段は、前記第１のモータに駆動電圧を印加するための２つの端子間を短絡し、
    　前記解除手段は、前記２つの端子間を開放することを特徴とする請求項１に記載のディスプレイ装置。     The holding means short-circuits between two terminals for applying a driving voltage to the first motor,
    The display device according to claim 1, wherein the release unit opens between the two terminals.
  3. 　前記駆動制御手段は、前記移動体の衝撃に応じて乗員保護装置を動作させる動作信号を検出することを特徴とする請求項１または２に記載のディスプレイ装置。 The display device according to claim 1 or 2, wherein the drive control means detects an operation signal for operating an occupant protection device in response to an impact of the moving body.
  4. 　一端が前記基部の他端側に第２の軸を介して回動可能に取り付けられ、他端が前記表示部に対して相対的に移動可能な係合手段を介して前記表示部に連結された蓋部と、
    　前記蓋部を回動動作させる第２のモータと、を更に具備し、
    　前記保持手段は、前記使用位置において前記表示部及び蓋部を保持し、
    　前記解除手段は、前記表示部が使用位置に保持されている時に前記検知手段によって前記移動体に対する衝撃が検知された場合に、前記保持手段による表示部及び蓋部の保持を解除することを特徴とする請求項１乃至３に記載のディスプレイ装置。     One end is rotatably attached to the other end side of the base portion via a second shaft, and the other end is connected to the display portion via an engaging means that is movable relative to the display portion. A lid,
    A second motor for rotating the lid, and
    The holding means holds the display unit and the lid unit at the use position,
    The release unit releases the holding of the display unit and the lid unit by the holding unit when an impact on the moving body is detected by the detection unit when the display unit is held at a use position. The display device according to claim 1.
  5. 　前記係合手段は、
    　前記蓋部及び前記表示部の一方に取り付けられた長孔部と、当該長孔部内を移動可能なように前記蓋部及び前記表示部のいずれか他方に設けられた係合ピンと、を更に具備し、
    　前記保持手段は、
    　前記係合手段を介して前記蓋部及び前記表示部の一方が他方に対して負荷を与えるように前記第１のモータ、第２のモータの一方を駆動制御するとともに、他方の前記モータについて駆動電圧を印加するための２つの端子間を短絡することを特徴とする請求項４に記載のディスプレイ装置。     The engaging means includes
    A long hole attached to one of the lid and the display; and an engagement pin provided on the other of the lid and the display so as to be movable in the long hole. And
    The holding means is
    The first motor and the second motor are driven and controlled so that one of the lid and the display unit applies a load to the other through the engaging means, and the other motor is driven. The display device according to claim 4, wherein two terminals for applying a voltage are short-circuited.
  6. 　前記第１又は第２のモータの出力軸に第１はすば歯車を取り付け、この第１はすば歯車と噛合する第２はすば歯車に減速歯車列として平歯車列を噛合し、前記表示部及び前記蓋部を開閉駆動させる駆動力を伝達する動力伝達機構を備えることを特徴とする請求項４に記載のディスプレイ装置。 A first helical gear is attached to the output shaft of the first or second motor, a spur gear train is meshed as a reduction gear train with the second helical gear meshed with the first helical gear, The display apparatus according to claim 4, further comprising a power transmission mechanism that transmits a driving force for opening and closing the display unit and the lid unit.
PCT/JP2008/068235 2008-10-07 2008-10-07 Display device WO2010041310A1 (en)

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EP2674330A1 (en) * 2012-06-13 2013-12-18 Alpine Electronics, Inc. In-vehicle display apparatus
JP2017043179A (en) * 2015-08-25 2017-03-02 アルパイン株式会社 On-vehicle device
FR3085019A1 (en) * 2018-08-14 2020-02-21 Psa Automobiles Sa SUPPORT FOR MULTIMEDIA SHELF IN VEHICLE
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EP2674330A1 (en) * 2012-06-13 2013-12-18 Alpine Electronics, Inc. In-vehicle display apparatus
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CN112498257A (en) * 2020-12-14 2021-03-16 陈献营 Automobile seat back display screen

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