JP5939435B2 - Vehicle display device - Google Patents

Description

  The present invention relates to a vehicle display device provided with an annular movable member.

  Conventionally, various vehicle display devices have been proposed, and for example, disclosed in Patent Document 1. Such a display device for a vehicle includes a display, two annular movable members located on the display surface side of the display, and a moving mechanism that moves the two annular movable members by the power of the electric motor. These two annular movable members are, for example, an annular movable member that serves as an outer frame of a tachometer that displays the engine speed, and an annular movable member that serves as an outer frame of a speedometer that displays vehicle speed. Each can be moved in an arc shape by the moving mechanism.

JP 2010-175411 A

  In the above-described vehicle display device, when the annular movable member 1 is moved, a slight positional deviation occurs in the annular movable member 1, and the nonuniformity of the gaps D1 and D2 between the scale image 2 and the annular movable member 1 is visually recognized. And had the problem that the appearance was impaired. That is, as shown in FIG. 20, when the annular movable member 1 is slightly left of the predetermined position, the gap D1 between the scale image 2 and the annular movable member 1 is large on the left side of the annular movable member 1, and the annular movable member On the right side of 1, the gap D2 between the scale image 2 and the annular movable member 1 becomes small, and the appearance is not good.

  Further, as shown in FIG. 21, when the decorative image 3 is displayed around the annular movable member 1, there is a problem that the appearance is impaired if the gap between the decorative image 3 and the annular movable member 1 is not uniform. Was. That is, as shown in FIG. 22, when the annular movable member 1 is slightly upper right from the predetermined position, the gap D3 between the decorative image 3 and the annular movable member 1 is large at the lower left of the annular movable member 1, and the annular movable member 1, the gap D4 between the decorative image 3 and the annular movable member 1 becomes small, and the appearance is not good.

  The present invention has been made in view of this problem, and provides a display device for a vehicle in which a positional shift of an annular movable member is not conspicuous.

The present invention, as described in claim 1, a display device 10 for displaying the scale image 11, 12, 13, 14 in the first display area S1 or the second display area S2, the scale on the display 10 The control means 100 for displaying the images 11, 12, 13, and 14, the annular movable members 41 and 51 surrounding the scale images 11, 12, 13, and 14, and the annular movable members 41 and 51 are the first display area. From the first position surrounding the scale images 11, 12, 13, and 14 displayed in S1, the scale images 11, 12, and 13 in which the annular movable members 41 and 51 are displayed in the second display area S2. , 14 and a moving mechanism 60, 70 for moving the annular movable members 41, 51 to a second position that surrounds the scale images 11, 12, 13, 14. Virtual connecting the ends The radius R1, the annular movable member larger than the radius R2 of the inner periphery of the 41 and 51, is smaller than the radius R3 of the outer periphery of said annular movable member 41 and 51, the scale image 11, 12 and 13, A part of 14 is hidden by the annular movable members 41 and 51.

The present invention, as set forth in claim 2, wherein the scale image, one having a main scale image 11, a small and minor grid image 13, than the main scale image 11 is there.

Further, according to the present invention, as described in claim 3 , the radius R1 of the virtual circle connecting the outer ends of the main scale images 11 and 12 is larger than the radius R2 of the inner periphery of the annular movable members 41 and 51. It is large and smaller than the radius R3 of the outer periphery of the annular movable members 41 and 51.

  By overlapping the annular movable member and a part of the design image in front view, the positional deviation of the annular movable member is not conspicuous.

The schematic diagram of the moving mechanism which shows 1st embodiment of this invention. The schematic diagram of the moving mechanism which shows embodiment same as the above. The schematic diagram of the pointer type instrument which shows embodiment same as the above. The schematic diagram of the transmission mechanism which shows embodiment same as the above. Explanatory drawing of the 1st pattern which shows embodiment same as the above. Explanatory drawing of the 2nd pattern which shows embodiment same as the above. The schematic diagram of the indicator which shows embodiment same as the above. The block diagram which shows embodiment same as the above. The principal part enlarged view which shows embodiment same as the above. The principal part enlarged view which shows 2nd embodiment of this invention. The principal part enlarged view which shows 3rd embodiment of this invention. Explanatory drawing of the 1st pattern which shows 4th embodiment of this invention. Explanatory drawing of the 2nd pattern which shows embodiment same as the above. The schematic diagram of the indicator which shows embodiment same as the above. The schematic diagram of the indicator which shows embodiment same as the above. The principal part enlarged view which shows embodiment same as the above. The principal part enlarged view which shows 5th embodiment of this invention. The principal part enlarged view which shows 6th embodiment of this invention. The principal part enlarged view which shows 7th embodiment of this invention. The figure which shows a prior art example. The figure which shows another prior art example. The figure which shows another prior art example same as the above.

  Hereinafter, based on an accompanying drawing, it explains with reference to one embodiment of the present invention. 1 to 9 show a first embodiment. The vehicle display device includes a display 10, pointer-type meters 20 and 30, decoration units 40 and 50, moving mechanisms 60 and 70, a circuit board 80, and a housing 90.

  The display 10 is a TFT (Thin Film Transistor) liquid crystal display having a 12.3-inch display screen, but may be, for example, an organic EL display. The display 10 displays the vehicle speed, the number of engine revolutions, navigation information, and the like under the control of the control unit 100 described later. In addition, the display 10 displays a display mode in accordance with the position state (“first pattern”, “second pattern”, etc., which will be described later) of the pointer-type meters 20 and 30 and the decoration units 40 and 50 that slide in the left-right direction. To change. The display 10 includes a TFT-type liquid crystal display panel, a polarizing plate, a backlight, a display housing, and the like (not shown), and is attached to an attachment member (not shown) formed on the housing 90, and is in a predetermined position. Arranged and supported.

  The pointer-type meter 20 includes a pointer drive unit 21, a first magnet body 22, a second magnet body 23, and a pointer unit 24. Each part constituting the pointer-type meter 20 is attached to the moving plate 61 directly or via the decoration unit 40 attached to the moving plate 61, and thus moves with the movement of the moving plate 61.

The pointer drive unit 21 is constituted by, for example, a stepping motor, and rotates the rotation shaft 21 a according to the vehicle speed under the control of the control unit 100. The pointer driving unit 21 is fixed to the moving plate 61.
The first magnet body 22 is attached to the rotation shaft 21a and rotates as the rotation shaft 21a rotates. The first magnet body 22 attached in this way is located immediately behind the display device 10.

  The second magnet body 23 is located on the front side of the display 10 and at a position facing the first magnet body 22. The second magnet body 23 receives the magnetic force transmitted through the display 10 from the first magnet body 22 and rotates according to the rotation of the first magnet body 22. The second magnet body 23 is attached to the pointer shaft 24 a of the pointer unit 24.

  By such first magnet body 22 and second magnet body 23, the rotational power of the pointer drive unit 21 is transmitted to the pointer unit 24, and the pointer unit 24 can be rotated. The pointer unit 24 indicates the scale images 11 and 13 displayed on the display device 10. Since the display housing of the display device 10 needs to transmit the magnetic force in this way, it is formed of a nonmagnetic material such as aluminum.

  The pointer-type meter 30 includes a pointer driving unit 31, a first magnet body 32, a second magnet body 33, and a pointer unit 34. Since each part which comprises the pointer type meter 20 is attached to the moving plate 71 directly or via the decoration unit 50 attached to the moving plate 71, it moves with the movement of the moving plate 71.

The pointer driving unit 31 is constituted by, for example, a stepping motor, and rotates the rotating shaft 31a according to the engine speed under the control of the control unit 100. The pointer driving unit 31 is fixed to the moving plate 71.
The first magnet body 32 is attached to the rotation shaft 31a and rotates as the rotation shaft 31a rotates. The first magnet body 32 attached in this way is located immediately behind the display device 10.

  The second magnet body 33 is located on the front side of the display 10 and at a position facing the first magnet body 32. The second magnet body 33 receives the magnetic force transmitted through the display 10 from the first magnet body 32, and rotates according to the rotation of the first magnet body 32. The second magnet body 33 is attached to the pointer shaft 34 a of the pointer unit 34.

  By such a first magnet body 32 and the second magnet body 33, the rotational power of the pointer drive unit 31 is transmitted to the pointer unit 34, and the pointer unit 34 can rotate. The pointer unit 34 indicates the scale images 12 and 14 displayed on the display 10.

  The decoration unit 40 includes a ring member 41 and a support member 42, and slides together with the pointer-type instrument 20 by the moving mechanism 60. The ring member 41 of the decoration unit 40 is made of an opaque resin, but may be translucent. The support member 42 of the decoration unit 40 is made of a translucent resin and has a substantially conical shape. The support member 42 of the decoration unit 40 supports the rotation shaft 24a of the pointer unit 24 in a rotatable state. By attaching and fixing the ring member 41 to the moving plate 61, the decoration unit 40 slides as the moving plate 61 slides.

  The decoration unit 50 includes a ring member 51 and a support member 52, and slides together with the pointer-type instrument 30 by the moving mechanism 70. The support member 52 of the decoration unit 50 is made of a translucent resin and has a substantially conical shape. The support member 52 of the decoration unit 50 supports the rotation shaft 34a of the pointer unit 34 in a rotatable state. By attaching and fixing the ring member 51 to the moving plate 71, the decoration unit 50 slides as the moving plate 71 slides.

  The moving mechanism 60 includes a moving plate 61, a drive unit 62, and a transmission mechanism 63. The moving mechanism 60 is a mechanism for sliding the pointer-type instrument 20 and the decoration unit 40 in the left-right direction.

  The moving plate 61 is a member formed of, for example, a resin material or a nonmagnetic metal such as aluminum. The moving plate 61 holds the pointer-type instrument 20 and the decoration unit 40. Further, the moving plate 61 is attached to the timing belt 63c of the transmission mechanism 63 by a clamping portion 61a formed on the back surface thereof.

  The moving plate 61 is provided with an opening through which the rotation shaft 21a of the pointer driving unit 21 is passed. A mounting portion 61 d is formed on the back side of the moving plate 61. The pointer driving unit 21 is fixed to the moving plate 61 by attaching the pointer driving unit 21 to the mounting portion 61d. The drive part 62 consists of a stepping motor, for example. The drive unit 62 rotates the rotation shaft 62 a under the control of the control unit 100.

  The moving mechanism 70 includes a moving plate 71, a drive unit 72, and a transmission mechanism 73. The moving mechanism 70 is a mechanism for sliding the pointer-type instrument 30 and the decoration unit 50 in the left-right direction.

  The moving plate 71 is a member formed of, for example, a resin material or a nonmagnetic metal such as aluminum. The moving plate 71 holds the pointer-type instrument 30 and the decoration unit 50. Moreover, the moving plate 71 is attached to the timing belt 73c of the transmission mechanism 73 by a clamping portion 71a formed on the back surface thereof.

  The moving plate 71 is provided with an opening for allowing the rotation shaft 31a of the pointer driving unit 31 to pass therethrough. The pointer driving unit 31 is fixed to the moving plate 71. The drive part 72 consists of a stepping motor, for example. The drive unit 72 rotates the rotation shaft 72 a under the control of the control unit 100. The drive unit 72 is located below the drive unit 62.

  The transmission mechanism 63 and the transmission mechanism 73 are arranged at a predetermined interval in the vertical direction (see FIG. 4). By arranging the two in this way, it is possible to avoid the vehicle display device from becoming thick in the front and back direction, and thus the vehicle display device can be made thinner. The transmission mechanism 63 is located below the transmission mechanism 73.

  The transmission mechanism 63 includes two pulleys 63a and 63b disposed at a predetermined interval in the left-right direction, and a timing belt 63c wound around both. The pulley 63a is located on the right side when viewed from the front side of the vehicle display device, is press-fitted into the rotation shaft 62a of the drive unit 62, and rotates as the rotation shaft 62a rotates. The pulley 63b is positioned on the left side when viewed from the front side of the vehicle display device, and is rotatably held on a shaft attached to the moving mechanism casing 65. Since the timing belt 63c is attached with a predetermined tension so that the two pulleys 63a and 63b do not idle, when the pulley 63a is rotated, the pulley 63b is similarly rotated. In this way, the transmission mechanism 63 converts the rotational power generated by the drive unit 62 into power in the sliding direction (left-right direction), and slides the moving plate 61 attached to the timing belt 63c as described above. .

  The transmission mechanism 73 includes two pulleys 73a and 73b disposed at a predetermined interval in the left-right direction, and a timing belt 73c wound around both. The pulley 73a is located on the right side when viewed from the front side of the vehicle display device, is press-fitted into the rotation shaft 72a of the drive unit 72, and rotates as the rotation shaft 72a rotates. The pulley 73b is positioned on the left side when viewed from the front side of the vehicle display device, and is rotatably held on a shaft attached to the moving mechanism casing 65. Since the timing belt 73c is attached with a predetermined tension so that the two pulleys 73a and 73b do not idle, when the pulley 73a is rotated, the pulley 73b is similarly rotated. In this way, the transmission mechanism 73 converts the rotational power generated by the drive unit 72 into power in the sliding direction (left-right direction), and slides the moving plate 71 attached to the timing belt 423c as described above. .

  The circuit board 80 is located on the back side of the moving mechanisms 60 and 70 and is supported on the inner surface of the housing 90. A microcomputer 101 or the like is mounted on the circuit board 80. The housing 90 is a housing that houses the above-described parts (the display 10, the pointer-type meters 20, 30, the decorative units 40, 50, the moving mechanisms 60, 70, and the circuit board 80).

  Next, the electrical configuration of the vehicle display device will be described with reference to FIG. The vehicle display device includes a control unit 100, a vehicle information input port 110, a display 10, pointer drive units 21 and 32, and drive units 62 and 72.

  The control unit 100 includes a microcomputer 101, a graphic display controller (hereinafter referred to as “GDC”) 102, and various driver ICs (Integrated Circuits) that drive the display 10, the pointer driving units 21 and 32, and the driving units 62 and 72. (Not shown). For example, the control unit 100 calculates various measurement amounts such as the vehicle speed and the engine rotation number, controls the operations of the display device 10 and the pointer-type meters 20 and 30, and displays the calculated measurement amounts.

  The microcomputer 101 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), an input / output interface, and the like, receives various types of information input from the vehicle information input port 110, and controls signals to each unit. Is output. For example, the CPU of the microcomputer 101 reads and executes a predetermined program for executing a display form deformation process stored in advance in the ROM. The GDC 102 controls display on the display 10 in cooperation with the microcomputer 101.

  The vehicle information input port 110 is a port to which various state information transmitted from a vehicle ECU (Electronic Control Unit) through a communication line and navigation information are input.

  The vehicular display device having the above-described configuration slides the decoration units 40 and 50 using predetermined information as a trigger under the control of the control unit 100, and deforms the decoration units 40 and 50 into a plurality of states. Then, the display on the display 10 is changed corresponding to the state.

  In the vehicular display device, the controller 100 drives and controls the moving mechanisms 60 and 70, and the state of the first pattern in which the decoration units 40 and 50 are located at the center of the display screen of the display 10 (see FIG. 5). The decoration unit 40 is deformed into the second pattern state (see FIG. 6) in which the decoration unit 40 is located at the right end portion of the display screen of the display 10 and the decoration unit 50 is located at the left end portion of the display screen.

  In the first pattern, the scale images 11, 12, 13, 14 and the numeric images 15, 16 are displayed in the display area S 1 of the display device 10, and the scale images 11, 12, 13, 14 and the numeric images 15, 16 are decorated. The decoration units 40 and 50 move to positions where the ring members 41 and 51 of the units 40 and 50 are surrounded. In the second pattern, the scale images 11, 12, 13, 14 and the numeric images 15, 16 are displayed in the display area S 2 of the display device 10, and the scale images 11, 12, 13, 14 and the numeric images 15, 16 are displayed. Are moved to a position surrounded by the ring members 41 and 51 of the decoration units 40 and 50.

  Such an operation of the vehicular display device is realized by a display form deformation process executed by the microcomputer 101. In the state of the second pattern, the vehicle display device displays the navigation image N in an area formed by opening the decoration unit 40 and the decoration unit 50 left and right in the display screen of the display 10.

  Next, the scale images 11, 12, 13, and 14 will be described in detail. The scale images 11, 12, 13, and 14 are displayed so as to be arranged in an arc shape. The scale images 11 and 12 are rectangular main scale images extending in the radial direction. The scale images 13 and 14 are rectangular sub-scale images smaller than the scale images 11 and 12. The numerical images 15 and 16 are displayed in the vicinity of the scale images 11 and 12, but the numerical images 15 and 16 are not displayed in the vicinity of the scale images 13 and 14. The scale images 13 and 14 are arranged at an intermediate position between the scale images 11 and 12.

  The radius R1 of the virtual circle V connecting the outer ends of the scale images 11, 12, 13, 14 is larger than the radius R2 of the inner periphery of the ring members 41, 51 and the radius R2 of the outer periphery of the ring members 41, 51. Is smaller than Since the outer ends of the scale images 11, 12, 13, 14 are located between the inner periphery and the outer periphery of the ring members 41, 51, the outer ends of the scale images 11, 12, 13, 14 and the ring member 41 , 51 has no gap with the inner circumference.

  According to the present embodiment, since the outer ends of the scale images 11, 12, 13, 14 overlap the ring members 41, 51, even if the ring members 41, 51 are slightly displaced from the desired positions, the ring members The positional shifts 41 and 51 are not noticeable.

  Note that, as in the second embodiment illustrated in FIG. 10, the scale image 19 that is a sub-scale image may be circular. Further, as in the third embodiment shown in FIG. 11, the radius of the virtual circle connecting the outer ends of the scale image 11 that is the main scale image is set to the virtual circle connecting the outer ends of the scale image 13 that is the sub scale image. It may be larger than the radius.

  12 to 16 show a fourth embodiment. The structures of the display 10, the pointer-type meters 20, 30, the decorative units 40, 50, the moving mechanisms 60, 70, the circuit board 80, and the housing 90 are the same as in the first embodiment.

  In the vehicular display device, the controller 100 drives and controls the moving mechanisms 60 and 70, and the state of the first pattern in which the decoration units 40 and 50 are located at the center of the display screen of the display 10 (see FIG. 12). Then, the decoration unit 40 is deformed into a second pattern state (see FIG. 13) in which the decoration unit 40 is located at the right end portion of the display screen of the display 10 and the decoration unit 50 is located at the left end portion of the display screen.

  In the first pattern, the scale images 11, 12, 13, 14 and the numeric images 15, 16 are displayed in the display area S 1 of the display device 10, and the scale images 11, 12, 13, 14 and the numeric images 15, 16 are decorated. The decoration units 40 and 50 move to positions where the ring members 41 and 51 of the units 40 and 50 are surrounded. In the first pattern, annular decorative images 17 and 18 are displayed in the display area S3 of the display 10.

  In the second pattern, the scale images 11, 12, 13, 14 and the numeric images 15, 16 are displayed in the display area S 2 of the display device 10, and the scale images 11, 12, 13, 14 and the numeric images 15, 16 are decorated. The decoration units 40 and 50 move to positions where the ring members 41 and 51 of the units 40 and 50 are surrounded. In the second pattern, annular decorative images 17 and 18 are displayed in the display area S4 of the display 10.

  Such an operation of the vehicular display device is realized by a display form deformation process executed by the microcomputer 101. In the state of the second pattern, the vehicle display device displays the navigation image N in an area formed by opening the decoration unit 40 and the decoration unit 50 left and right in the display screen of the display 10.

  Next, the scale images 11, 12, 13, and 14 and the decoration images 17 and 18 will be described in detail. The scale images 11, 12, 13, and 14 are displayed so as to be arranged in an arc shape. The scale images 11 and 12 are rectangular main scale images extending in the radial direction. The scale images 13 and 14 are rectangular sub-scale images smaller than the scale images 11 and 12. The numerical images 15 and 16 are displayed in the vicinity of the scale images 11 and 12, but the numerical images 15 and 16 are not displayed in the vicinity of the scale images 13 and 14. The scale images 13 and 14 are arranged at an intermediate position between the scale images 11 and 12.

  The decorative images 17 and 18 are displayed around the ring members 41 and 51. The inner peripheral contour lines 17a and 18a of the decorative images 17 and 18 are circular, and the outer peripheral contour lines 17b and 18b of the decorative images 17 and 18 have a wavy shape in which many isosceles triangles are connected. The radius R4 of the inner peripheral contour lines 17a and 18a of the decoration images 17 and 18 is larger than the inner radius R2 of the ring members 41 and 51 and smaller than the outer radius R3 of the ring members 41 and 51. Yes. Since the inner peripheral contour lines 17a and 18a of the decoration images 17 and 18 are located between the inner periphery and the outer periphery of the ring members 41 and 51, there is no gap between the decoration images 17 and 18 and the ring members 41 and 51. .

  According to the present embodiment, part of the decoration images 17 and 18 overlaps the ring members 41 and 51, so even if the ring members 41 and 51 are slightly displaced from the desired positions, the ring members 41 and 51 Misalignment is not noticeable.

  In addition, this invention is not limited to each embodiment, A various deformation | transformation is possible, for example like the 5th embodiment shown in FIG. 17, the scale which is the decoration image 17 and the main scale image. The image 11 may be connected. Further, the decoration images 17 and 18 do not have to be in an annular shape, and for example, may have an arc shape as in the sixth embodiment shown in FIG.

  Further, as in the seventh embodiment shown in FIG. 19, the radius R5 of the inner peripheral outlines 17a, 18a of the decorative images 17, 18 is smaller than the radius R2 of the inner periphery of the ring members 41, 51, A part of the scale images 11, 12, 13, 14 may overlap the decoration images 17, 18. The decorative images 17 and 18 have clear inner peripheral contour lines 17a and 18a and outer peripheral contour lines 17b and 18b. However, the decorative images 17 and 18 have inner peripheral contour lines 17a and 18a and outer peripheral contour lines. At least one of 17b and 18b may have an unclear gradation.

  In each embodiment, the decoration units 40 and 50 are moved in parallel, but the decoration units 40 and 50 may be moved in an arc shape. Each embodiment includes the pointer unit 34, but a pointer image may be displayed on the display device 10. Further, the annular movable member may not be an annular shape, and may be, for example, an arc shape.

  The present invention is suitable for a vehicle instrument mounted on a vehicle such as a four-wheeled vehicle or a two-wheeled vehicle.

10 Display 11 Scale image (design image)
12 Scale image (design image)
13 Scale image (design image)
14 Scale image (design image)
17 Decorative images (design images)
17a Inner outline 18 Decorative image (design image)
18a Inner circumference 41 Ring member (annular movable member)
51 Ring member (annular movable member)
60 moving mechanism 70 moving mechanism 100 control unit (control means)
S1 display area (first display area)
S2 display area (second display area)
S3 display area (first display area)
S4 Display area (second display area)
R1 radius R2 radius R3 radius R4 radius R5 radius

Claims (3)

A display for displaying a scale image in the first display area or the second display area, a control means for displaying the scale image on the display, an annular movable member surrounding the scale image, and the annular movable member From the first position surrounding the scale image displayed in the first display area to the second position where the annular movable member surrounds the scale image displayed in the second display area, the annular movable member A vehicle display device comprising a moving mechanism for moving
The radius of the virtual circle connecting the outer ends of the scale image is larger than the radius of the inner periphery of the annular movable member and smaller than the radius of the outer periphery of the annular movable member, and a part of the scale image is The vehicle display device is hidden by the annular movable member. The vehicular display device according to claim 1 , wherein the scale image includes a main scale image and a sub-scale image smaller than the main scale image. Radius of the virtual circle connecting the outer end of said main scale image, the annular movable inner circumference of greater than the radius of the member, according to claim 2, wherein said annular movable member is smaller than the radius of the outer circumference of Vehicle display device.

Images