JP2008189080A - In-vehicle display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an in-vehicle display device capable of using the whole screen of a display member for displaying information, dividing display contents of the screen to be recognized visually, for instance, during high-speed travelling, and keeping safety during travelling. <P>SOLUTION: A front face panel 20 is operated between a closed position covering the screen 16a such as a liquid crystal panel and an open position coming off from the screen 16a. In the closed position, a display image can be limited by a central window 21, and a right side window 22 and a left side window 23 formed at the front face panel 20, and thus, information can be divided to be recognized visually. When the front face panel 20 comes to the open position, the whole area of the screen 16a can be used as a display area and such as an external monitoring image can be displayed in the screen 16a. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a vehicle-mounted display device that can display information on the traveling speed of a vehicle and other various information using a display member such as an LCD.

  A display device provided in front of the passenger compartment of an automobile displays a traveling speed, an engine speed, a remaining amount of fuel, and the like, an instrument panel that displays fixed information such as a speed scale, And a pointer that moves in front of the instrument panel.

Further, in the pointer instrument described in Patent Document 1 below, a movement is opposed to the front of the liquid crystal panel, and the pointer is operated by this movement. By operating the pointer in front of the liquid crystal panel, the speedometer display and the like can be viewed in three dimensions.
JP 2006-162569 A

  However, the conventional display device only displays specified information such as the traveling speed and the engine speed, and cannot display various information by switching. Therefore, it is necessary to provide a screen for displaying car navigation information, monitor information showing outside the vehicle, and the like separately from the display device. Therefore, the number of display units that should be arranged in the passenger compartment increases, and when the driver looks at the display units, the number of display units and the amount of information may increase so that attention during driving may be distracted. . Further, when the number of display units arranged in front of the passenger compartment increases, the arrangement space of various devices other than the display unit and the arrangement location such as the air circulation port of the air conditioner are restricted.

  Also in the invention described in Patent Document 1, the liquid crystal panel displays fixed specific information such as a scale indicating the traveling speed, and is not capable of switching and displaying the contents of the information. Absent.

  It is also conceivable that a display member having a relatively large screen is provided in front of the passenger compartment, and various types of information are displayed on this screen together with travel speed information and engine speed information. However, when the driver sees the display content on a wide screen while driving, it is difficult to determine which information is displayed where, and the display content cannot be specified, so it takes time to watch the screen. Problems such as longer length are likely to occur.

  The present invention solves the above-described conventional problems, and provides a vehicle-mounted display device that can switch between a display of a traveling speed and the number of revolutions of an engine and another image such as a monitor image by a display member. The purpose is to do.

  Another object of the present invention is to provide an in-vehicle display device that allows a driver to easily distinguish and recognize information displayed on a screen of a liquid crystal display device or the like.

  The present invention provides a display member that can change information displayed on a screen, a front panel provided with at least one window, a closed posture that covers the front panel in front of the screen, and the entire screen. Alternatively, a switching mechanism for moving between an open posture deviating from a part is provided.

  In the in-vehicle display device of the present invention, when the front panel is in the closed position, the information displayed on the screen of the display member is divided by the window, so that the limited information for the driving driver is The position can be given in an easily understandable state. Further, when the front panel is in the open posture, information can be given to the driver or the like using a wide screen.

  The present invention is provided with a control means for switching information displayed on the screen between when the front panel is in the closed position and when in the open position.

  In the present invention, preferably, a detection means for detecting whether the front panel is in a closed position or an open position is provided, and when the front panel is switched to the closed position based on a detection operation of the detection means. The screen display is automatically switched when the position is switched to the open position.

  By switching the information displayed on the screen between when the front panel is in the closed position and when it is in the open position, various types of information can be displayed on the same display unit.

  Further, according to the present invention, the front panel is provided with a pointer that moves inside the window portion, and when the front panel is in the closed position, the screen has a scale located behind the pointer. Can be configured to be displayed.

  In addition, when the front panel is in the open position, information on the outside of the vehicle imaged by a camera provided in the vehicle can be displayed on the screen. In this case, it is preferable that the traveling speed of the vehicle is displayed on a part of the screen.

  In the above configuration, the front panel can be switched from the closed position to the open position when the traveling speed of the vehicle falls below a predetermined value, or the traveling speed of the vehicle falls below a predetermined value. In addition, when it is determined that the vehicle is traveling on a road having a predetermined width or less, the front panel can be switched from the closed position to the open position.

  Also, the present invention displays information indicating the operating state of the vehicle when the front panel is in the open position, or displays TV information or audio information when the front panel is in the open position. It may be possible to do this.

  In the above configuration, the front panel is set to the open position when it is determined that the vehicle is stopped, and the front panel is changed from the open position to the closed position when the vehicle starts running. It will be switched.

  In the in-vehicle display device of the present invention, information can be displayed using the entire screen of the display member, and when the vehicle is traveling at high speed, the information is displayed separately on the screen of the display member. This makes it easier for the driving driver to view the information displayed on the screen.

  FIG. 1 shows an in-vehicle display device according to an embodiment of the present invention, and is a perspective view showing a state where a front panel is in a closed posture. FIG. 2 is an exploded perspective view of the in-vehicle display device. 3 to 5 are cross-sectional views of the in-vehicle display device that shows the operation until the front panel changes from the closed position to the open position. FIG. 6 is a perspective view showing the in-vehicle display device when the front panel is in the open posture.

  As shown in FIGS. 1 and 2, the in-vehicle display device 10 includes a case 11 configured as a part of an instrument panel in a vehicle interior. As shown in FIGS. 1 and 3, the case 11 has a ceiling portion 12, a bottom portion 13, and left and right side portions 14 and 14. The front portion 11 a of the case 11 has an inner wall portion 15 that is continuous with the ceiling portion 12, the bottom portion 13, and the left and right side portions 14, 14 and that is recessed toward the inside of the case 11 in the front portion 11 a.

  An opening 15 a is formed on the inner surface of the inner wall 15, and the display member 16 is installed on the back side of the case 11 with respect to the opening 15 a. The display member 16 is a color liquid crystal display panel, and its screen 16 a is directed to the front portion 11 a of the case 11. As shown in FIGS. 2 and 6, the opening 15a is a rectangle whose width in the left-right direction is longer than the height, and the screen 16a occupies the entire area of the rectangular opening 15a. Therefore, the shape and size of the display area of the display member 16 that can be viewed by the driver and the like are the same as the shape and size of the opening 15a.

  In the in-vehicle display device 10, a front panel 20 is provided on the front portion 11a. As shown in FIGS. 1 and 2, the front panel 20 is formed with a central window portion 21, a right window portion 22, and a left window portion 23 that are open. The front panel 20 is made of a synthetic resin material and is non-transparent, and the screen 16a of the display member 16 located behind the front panel 20 can be seen only through the central window 21, the right window 22, and the left window 23. The central window 21, the right window 22, and the left window 23 are all substantially circular, and the inner diameter of the central window 21 is larger than the inner diameter of the right window 22 and the inner diameter of the left window 23. .

  The central window portion 21 is provided with a support base 24 that protrudes from the lower end thereof, and a mechanism portion 25 that is located at the center of the opening portion of the central window portion 21 is provided at the tip of the support base 24. The mechanism unit 25 accommodates a hand movement mechanism 27 (see the block diagram of FIG. 3) including a stepping motor and a reduction gear group. By the hand movement mechanism 27, the pointer 26 is provided in the mechanism part 25. It rotates in the opening part of the central window part 21 centering on an axis | shaft. The mechanism part 25 and the pointer 26 are not provided inside the right window part 22 and the left window part 23. However, at least one of the right window portion 22 and the left window portion 23 may be provided with a hand movement mechanism and a pointer.

  As shown in FIGS. 2 and 3, upper end guide protrusions 28 and 28 are provided at the upper end portion of the front panel 20 so as to protrude from the left and right side portions, and the lower end portion of the front panel 20 is provided at the left and right side portions. Lower end guide protrusions 29 and 29 protruding from the respective parts are provided.

  As shown in FIGS. 2, 3, and 6, vertical guide grooves 31, 31 extending in the vertical direction are provided on the surface of the inner wall portion 15 located on both sides of the front portion 11 a, and below the front and rear guide grooves 31, 31. Front and rear guide grooves 32, 32 extending obliquely in the direction are provided. The upper end guide protrusions 28 and 28 provided on the front panel 20 are slidably inserted into the upper and lower guide grooves 31 and 31, respectively, and the lower end guide protrusions 29 and 29 slide into the front and rear guide grooves 32 and 32, respectively. It is inserted freely.

  As shown in the block diagram of FIG. 3, an opening / closing drive mechanism 30 is provided inside the case 11. The opening / closing drive mechanism 30 includes a motor, a reduction gear group that reduces the rotational speed of the motor, and a crank mechanism that converts the rotational motion into a reciprocating motion, and the lower end provided on the front panel 20 by the crank mechanism. The guide protrusion 29 is reciprocated back and forth along the front and rear guide groove 32.

  As shown in FIG. 3, when the lower end guide protrusion 29 is moved to the inner ends of the front and rear guide grooves 32, 32 by the opening / closing drive mechanism 30, the upper end guide protrusion 28 is moved to the upper end of the vertical guide groove 31. It is done. At this time, as shown in FIG. 1, the front panel 20 is in a closed posture that covers the front of the screen 16 a of the display member 16. The front panel 20 in the closed posture is substantially parallel to the screen 16a and covers the entire area of the opening 15a. That is, the entire display area of the screen 16a visible from the opening 15a is covered with the front panel 20 in the closed posture.

  As shown in FIG. 5, when the lower end guide protrusion 29 is moved to the front end of the front / rear guide groove 32 by the opening / closing drive mechanism 30, the upper end guide protrusion 28 moves to the lower end along the vertical guide groove 31. Be made. At this time, as shown in FIG. 6, the front panel 20 is in an open posture in which the front panel 20 is housed in an oblique posture in a region below the opening 15a. In the open posture, the front panel 20 moves downward from the lower end of the opening 15a, and the driver visually observes the entire area of the opening 15a, that is, the entire display area of the screen 16a of the display member 16. Can do.

  A cover 35 is provided on the bottom side of the front portion 11 a of the case 11. The cover 35 is made of a non-transparent material such as a synthetic resin plate or a metal plate. An end portion on the front side of the cover 35 is rotatably supported by a shaft 36 inside the front portion 11 a of the case 11. As shown in FIGS. 3 and 5, the cover 35 is in the closed position when in an oblique posture. When rotated counterclockwise from this closed position, the cover 35 returns to the closed position shown in FIGS. 3 and 5 by the biasing force of a spring (not shown).

  When the front panel 20 is in the closed position shown in FIG. 3, the cover 35 faces the lower part of the front panel 20. At this time, the central window portion 21, the right window portion 22, and the lower portion of the left window portion 23 of the front panel 20 are covered and hidden by the cover 35. While the front panel 20 is rotating from the closed position shown in FIG. 3 to the open position shown in FIG. 5, the cover 35 is rotated counterclockwise by the moving front panel 20 as shown in FIG. It is done. As shown in FIG. 5, when the front panel 20 is in the open position, the front surface of the front panel 20 is entirely covered with the cover 35, so that the design is not impaired.

  As shown in FIG. 3, the case 11 detects that the front panel 20 is installed in a closed position, and a closed sensor 38 that is a detection unit that detects that the front panel 20 is installed in a closed position. An open sensor 39 serving as a detection means is provided. The closing sensor 38 and the opening sensor 39 are configured by a mechanism switch that is operated by being directly pressed by the front panel 20 or a light detector that detects a moving position of the front panel 20.

  As shown in FIG. 3, a control unit 40 mainly composed of a CPU is provided in the case 11, and the hand movement mechanism 27 and the opening / closing drive mechanism 30 are controlled by the control unit 40. Further, detection outputs of the closing sensor 38 and the opening sensor 39 are given to the control unit 40. The case 11 is provided with a display driver 41 that operates the display member 16 that is a liquid crystal display panel, and an image memory 42 that stores display patterns of various information to be displayed on the screen 16a of the display member 16. The driver 41 and the image memory 42 are controlled by the control unit 40.

  Further, the vehicle is equipped with a car navigation device 43, a TV tuner 44, and an audio device 45, and various display data output from the car navigation device 43, the TV tuner 44, and the audio device 45 are given to the control unit 40. Then, information regarding the display image is given from the control unit 40 to the display driver 41.

  Further, an external monitor device 46 is mounted on the vehicle. The external monitor device 46 includes a plurality of cameras that are mounted on the vehicle body and captures an external situation, and an image control unit that performs image processing such as synthesis on an image obtained by the cameras. The external monitor image generated by the image control unit of the external monitor device 46 is given to the control unit 40, and image information is given to the display driver 41.

  The external monitor image generated by the image control unit of the external monitor device 46 includes images from a plurality of cameras such as an image displaying the front of the vehicle body, an image displaying the rear of the vehicle body, and an image displaying both sides of the vehicle body. It is a so-called top view image or the like that is obtained by combining and displaying the vehicle body and its surroundings as if viewed from above.

  Next, operation switching and display content switching of the in-vehicle display device 10 will be described for each pattern.

(Pattern 1)
The control unit 40 detects the traveling speed of the vehicle from an axle rotation detection sensor or the like. When the traveling speed of the vehicle is not less than a predetermined value (for example, not less than 5 km / h or not less than 8 km / h), the front panel 20 is set to the closed posture. At this time, as shown in FIG. 7A, a speed scale 51 that displays the traveling speed is displayed on the screen 16 a of the display member 16 on the back of the central window portion 21 of the front panel 20. Further, the hand movement mechanism 27 located inside the mechanism unit 25 is controlled by the control unit 40, and the pointer 26 indicates a speed value corresponding to the current traveling speed on the speed scale 51. Alternatively, a scale indicating the engine speed may be displayed on the back of the pointer 26.

  At this time, information necessary for traveling of the vehicle other than the speed display is displayed on the back portion of the right window portion 22 and the back portion of the left window portion 23. For example, as shown in FIG. 7A, travel distance information and trip distance information are displayed on the screen 16 a of the display member 16 on the back portion of the right window portion 22. On the back of the left window 23, the remaining amount of fuel, the coolant temperature, and the like are displayed on the screen 16a of the display member 16.

  In addition, information displayed on the back of the right window portion 22 and the left window portion 23 during traveling is equipped with a map display and a vehicle travel position display provided from the car navigation device 43 to the control unit 40, and in front of the vehicle body. Information display indicating the operating state of the radar. Or the display which shows the operation state of a side brake, the display which shows the wearing condition of a seatbelt, the display of the opening / closing information of a door, the display which shows the air pressure of a tire, the remaining amount display of a battery, etc. may be sufficient.

  Alternatively, the display of the screen 16a may be switched at regular intervals on the back of the right window 22 or the back of the left window 23 while the speed scale 51 is continuously displayed on the back of the central window 21. For example, the display on the back of one window can be switched alternately between the fuel remaining amount display and the coolant temperature information display, and the car navigation map display, or the mileage display and the fuel remaining amount display can be alternated. It is possible to switch to

  As described above, when the traveling speed of the vehicle is equal to or higher than the predetermined value, the front panel 20 is positioned in front of the screen 16a, and the information displayed on the screen 16a includes the central window portion 21, the right window portion 22, and the left window portion. It becomes visible only in a limited area within 23. Therefore, the information display visually recognized by the driver during traveling can be classified and restricted, and the driver can easily concentrate on the visual field in front of the vehicle.

  Next, when the control unit 40 determines that the vehicle traveling speed is less than a predetermined value that is substantially the same as the human traveling speed (for example, less than 5 km / h or less than 8 km / h), an operation command is issued to the opening / closing drive mechanism 30. Given this, as shown in FIGS. 5 and 6, the front panel 20 is switched to the open position. Therefore, as shown in FIG. 6 and FIG. 7B, the driver can view the entire region of the horizontally long rectangular screen 16 a of the display member 16.

  When traveling at a low speed, various information can be displayed using the screen 16a having a large area of the display member 16. In the example shown in FIG. 7B, a monitor image obtained from the image control unit of the external monitor device 46 is displayed in a wide area (i) of the screen 16a. The monitor image at the time of low-speed traveling is an information image showing the front wheel on the left side of the vehicle and its surroundings, an information image in front of the bumper at the front of the vehicle, and the like. At this time, the image to be displayed in the area (i) can be set by a previous operation, and a plurality of monitor images can be arranged. By looking at this monitor image, you can know the situation on the left front wheel and its surroundings, the situation in front of the front bumper, the left front wheel derailment and the bumper hitting an obstacle, etc. It is easier to prevent accidents.

  In addition, when the monitor image is displayed in the area (i) of the screen 16a, the vehicle speed information, the remaining fuel information, and the like are displayed in a relatively narrow area (ii) of the screen 16a. It is preferable. In the example shown in FIG. 7B, traveling speed information, remaining fuel amount information, and the like are moved to a location different from the display position at the time of high speed traveling shown in FIG. At this time, the running speed of the vehicle is indicated by a number in the image, or the action of the pointer is displayed in the image.

  As described above, when the traveling speed of the vehicle becomes less than the predetermined value, the front panel 20 does not switch to the open position, but the traveling speed of the vehicle becomes less than the predetermined value, and the car navigation device 43 The front panel 20 may be configured to be in the open position when it is determined that the width of the road on which the vehicle is traveling is less than a predetermined width based on the information. Alternatively, when it is determined that the vehicle traveling speed is less than a predetermined value and the vehicle has moved to the parking lot based on the information from the car navigation device 43, as shown in FIG. May be in an open posture and a monitor image may be displayed in the region (i).

  When the vehicle travels at a low speed less than a predetermined value and the light sensor provided on the vehicle body determines that the external light amount has decreased, such as at night, the screen shown in FIG. You may display the image | video of the pedestrian etc. which image | photographed with the night display camera in the area | region (i) of 16a.

  When the front panel 20 is switched to the closed position, the display driver 41 is controlled by the control unit 40 when the close sensor 38 detects that the front panel 20 has reached the closed position, and the screen of the display member 16 is displayed. The display of 16a is switched to the information shown in FIG. When the front panel 20 is switched to the open position, the display driver 41 is controlled by the control unit 40 when the open sensor 39 detects that the front panel 20 has reached the open position, and the screen 16a of the display member 16 is displayed. Is switched to the information shown in FIG.

(Pattern 2)
It is also possible to switch the front panel 20 between the closed posture and the open posture and switch the information displayed on the screen 16a according to the operation of the shift lever for switching the gear of the automobile. In this case, detection means for detecting the switching position of the shift lever is provided, and a detection output is given to the control unit 40 from this detection means.

  When the shift lever is switched to the drive mode (forward travel mode), the front panel 20 is switched to the closed posture by a command from the control unit 40. Then, as shown in FIG. 7A, a speed scale 51 is displayed on the screen 16a on the back of the central window portion 21. In addition, on the back of the right window portion 22 and the left window portion 23, various types of information relating to vehicle travel are displayed on the screen 16a.

  When the shift lever is switched to the reverse mode (back travel mode), the front panel 20 is switched to the open posture by the control operation of the control unit 40, and the monitor image is displayed on the screen 16a. At this time, the scenery of the back of the vehicle photographed by an external camera provided at the rear of the vehicle body, and more preferably an image of the rear bumper is displayed together with the background. The screen 16a is a horizontally long rectangle, and the monitor image during back travel is displayed on almost the entire area of the screen 16a. Therefore, the situation behind the vehicle can be grasped with a wide field of view during back travel, and safety during back travel can be improved.

  Further, when the shift lever is switched to the parking mode, the front panel 20 is in the open posture, and the television image received by the TV tuner 44 and other various image information can be displayed on almost the entire area of the horizontally long screen 16a. It becomes possible. Note that a television image or various image displays may be displayed only when the shift lever is switched to the parking mode and the side brake is operating.

(Pattern 3)
The front panel 20 may be switched between a closed posture and an open posture in accordance with the ON / OFF switching of the ignition switch.

  When the ignition switch is OFF, the front panel 20 is in the open position shown in FIG. Also, nothing is displayed on the screen 16a.

  When the ignition switch is turned ON, the front panel 20 remains in the open position, and information relating to vehicle diagnosis is displayed on the horizontally long screen 16a. For example, the remaining amount of fuel, the amount of engine oil, the amount of cooling water, the electrical system check result, the confirmation image of the position of each seat, and the like are displayed. Further, following the display of the information related to the vehicle diagnosis, the image is automatically switched to the image from the external monitor device 46. The switching of the image display from the external monitor device 46 may be performed manually. At this time, information on the entire surrounding area outside the vehicle is displayed on the screen 16a. For example, images taken by a plurality of cameras are combined, and the vehicle and the scenery around the entire area are displayed in a so-called top view format. Alternatively, images taken by a camera attached to the vehicle body are switched in order, and the external surroundings of the vehicle are displayed on the screen 16a as a rotating image. By displaying this monitor image, the safety around the vehicle can be confirmed before the vehicle travels.

  Thereafter, when the vehicle travels, as shown in FIG. 7A, the front panel 20 is switched to the closed posture, and the speed scale 51 and the like are displayed. The timing of switching to the display mode shown in FIG. 7A is a certain speed (for example, when the parking brake operation is released, when the shift lever is switched to the drive mode, or when the vehicle starts running). 5 km / h or more, or 8 km / h or more).

Next, an in-vehicle display device according to another embodiment of the present invention will be described.
In the in-vehicle display device 110 shown in FIG. 8, a rotating front panel 120 is provided in front of the display member 16 in the front portion 11 a of the case 11. The lower end of the front panel 120 is rotatably supported on the shaft 121. The front panel 120 is rotated between the closed posture indicated by the solid line and the open posture indicated by the broken line in FIG. 8 by the power of the opening / closing drive mechanism having the motor. The front panel 120 is formed with a central window 21, a right window 22, and a left window 23 shown in FIG. The relationship between the opening / closing operation of the front panel 120 and the switching operation of the screen 16a of the display member 16 is the same as that of the embodiment shown in FIGS.

  The front panel 120 may be one whose upper end is rotatably supported on an axis.

  In the in-vehicle display device 210 shown in FIG. 9, front panels 220 and 222 that are divided into two in the vertical direction are provided in front of the display member 16, and the lower end of the lower front panel 220 is rotatable about a shaft 221. The upper end of the upper front panel 222 is supported by the shaft 223. The front panels 220 and 222 are switched between a closed posture shown by a solid line and an open posture shown by a broken line.

  FIG. 10 is a cross-sectional view showing an in-vehicle display device 310 according to another embodiment of the present invention. In this in-vehicle display device 310, the front panel 320 is provided on the front side of the screen 16 a of the display member 16 so as to move up and down in a posture parallel to the screen 16 a. In the front panel 320 in FIG. 10, the posture shown by a broken line is a closed posture, and the posture shown by a solid line is an open posture.

  Similar to the front panel 20 shown in FIG. 2, the front panel 320 is formed with a central window portion 21, a right window portion 22, and a left window portion 23. The central window portion 21 is provided with a support base 24, a mechanism portion 25, and a pointer 26, and a hand movement mechanism 27 is provided in the mechanism portion 25.

  The display state of the screen 16a when the front panel 320 is in the closed posture indicated by a broken line in FIG. 10 is the same as that in FIG. When the front panel 320 is switched to the open posture shown by the solid line in FIG. 10, the entire area of the screen 16a can be visually observed.

  Further, in the in-vehicle display device 310, as shown in FIG. 11A, it is possible to set a half-open posture mode in which the lower half part of the screen 16a is covered with the front panel 320.

  When the front panel 320 is in the closed position, as shown in FIG. 7A, the entire area of the screen 16a is covered with the front panel 320, and the full scale speed scale 51 is displayed on the screen 16a at the back of the central window portion 21. Is done. The display of the speed scale 51 at this time is an angle range exceeding 180 degrees, for example, about 270 degrees. In the half-open posture mode shown in FIG. 11A, only the upper half of the central window portion 21 covers the front of the screen 16a. At this time, as shown in FIG. 11B, a half-scale speed scale 51A is displayed on the screen 16a on the back of the central window portion 21, and the number on the speed scale 51A is indicated by the pointer 26. The display range of the speed scale 51A at this time is an angle range of 180 degrees or less.

  The full-scale speed scale 51 shown in FIG. 7A displays a speed range from 0 km / h to 240 km / h in a range of about 270 degrees, but the half-scale speed scale shown in FIG. In 51A, a speed range from 0 km / h to 240 km / h is displayed in an angle range of 180 degrees or less.

  As described above, when the front panel 320 is switched from the closed position to the half-open position, the display on the screen 16a is switched from the speed scale 51 to the speed scale 51A. In conjunction with this, FIG. 7 (A) and FIG. In (A) and (B), information displayed on the back portions of the right window portion 22 and the left window portion 23 is also switched.

  As shown in FIG. 11A, in the half-open posture mode, the driver can visually check the horizontally long region of the upper half that is the other part of the screen 16a. Therefore, a monitor image or the like can be displayed on the upper half of the screen 16a.

  For example, when the traveling speed of the vehicle is equal to or higher than a predetermined value, the front panel 320 is set to the closed posture, and at this time, the speed scale 51 is displayed in full scale as shown in FIG. When the traveling speed of the vehicle falls below a predetermined position, when it is recognized that the traveling speed of the vehicle is traveling on a road having a predetermined value or less and a predetermined width or less, or the traveling speed of the vehicle is a predetermined value. If it is determined below that the vehicle is located in the parking lot, the front panel 320 is in the half-open position shown in FIGS. 11A and 11B, and the image of the external monitor is displayed in the upper half area of the screen 16a. Is displayed.

  Further, when the vehicle is stopped and the parking brake is operated, the front panel 320 is further lowered to switch to a completely open posture where the entire screen 16a can be seen.

The perspective view which shows the vehicle-mounted display apparatus of embodiment of this invention, Disassembled perspective view of in-vehicle display device, Sectional view and circuit block diagram of in-vehicle display device when front panel is in closed position, Sectional drawing of the vehicle-mounted display apparatus which shows the middle of a front panel moving from a closed position to an open position, Sectional view of the in-vehicle display device when the front panel is in the open position, The perspective view which shows the vehicle-mounted display apparatus when a front panel is an open posture, (A) is a front view showing a display state when the front panel is in a closed posture, (B) is a front view showing a display state when the front panel is in an open posture, Side perspective view showing a vehicle-mounted display device according to another embodiment, Side perspective view showing a vehicle-mounted display device according to another embodiment, Side perspective view showing a vehicle-mounted display device according to another embodiment, (A) is the front view which shows the state which became the half-opening attitude | position of the front panel in the vehicle-mounted display apparatus shown in FIG. 10, (B) is the partially expanded view,

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 In-vehicle display apparatus 11 Case 15a Opening part 16 Display member 16a Screen 20 Front panel 21 Central window part 22 Right side window part 23 Left side window part 25 Mechanism part 26 Pointer 27 Hand moving mechanism 30 Opening / closing mechanism 35 Cover 38 Closed sensor 39 Open sensor 40 Control unit 41 Display driver 51 Speed scale

Claims (10)

  A display member capable of changing information to be displayed on the screen, a front panel provided with at least one window, a closed posture covering the front of the front panel, and a whole or a part of the screen. A vehicle-mounted display device comprising a switching mechanism for moving between an open posture and a disengaged open posture.   The in-vehicle display device according to claim 1, further comprising control means for switching information displayed on the screen depending on whether the front panel is in the closed position or in the open position.   The front panel is provided with a pointer that moves inside the window portion, and when the front panel is in the closed position, a scale that is located behind the pointer is displayed on the screen. The in-vehicle display device according to 1 or 2.   The in-vehicle display device according to any one of claims 1 to 3, wherein when the front panel is in the open position, information on the outside of the vehicle imaged by a camera provided on the vehicle is displayed on the screen.   The in-vehicle display device according to claim 4, wherein a traveling speed of the vehicle is displayed on a part of the screen.   The in-vehicle display device according to claim 4 or 5, wherein the front panel is switched from the closed position to the open position when a traveling speed of the vehicle becomes a predetermined value or less.   6. The front panel is switched from the closed position to the open position when it is determined that the traveling speed of the vehicle is less than a predetermined value and the vehicle is traveling on a road having a predetermined width or less. In-vehicle display device.   The in-vehicle display device according to any one of claims 1 to 3, wherein information indicating an operation state of the vehicle is displayed when the front panel is in the open posture.   The in-vehicle display device according to claim 1, wherein TV information or audio information can be displayed when the front panel is in the open posture.   The front panel is set to the open position when it is determined that the vehicle is stopped, and the front panel is switched from the open position to the closed position when the vehicle starts running. The in-vehicle display device according to 8 or 9.

Images