WO2004040243A1 - Dispositif jauge d'instrument - Google Patents

Dispositif jauge d'instrument Download PDF

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Publication number
WO2004040243A1
WO2004040243A1 PCT/JP2003/013451 JP0313451W WO2004040243A1 WO 2004040243 A1 WO2004040243 A1 WO 2004040243A1 JP 0313451 W JP0313451 W JP 0313451W WO 2004040243 A1 WO2004040243 A1 WO 2004040243A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
pointer
driving
rotating shaft
driving device
Prior art date
Application number
PCT/JP2003/013451
Other languages
English (en)
Japanese (ja)
Inventor
Masahiko Nakazawa
Original Assignee
Nippon Seiki Co.,Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Seiki Co.,Ltd. filed Critical Nippon Seiki Co.,Ltd.
Publication of WO2004040243A1 publication Critical patent/WO2004040243A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices
    • B60K35/60—

Definitions

  • the present invention relates to an instrument device mounted on, for example, an automobile or a motorcycle, and more particularly to an instrument device in which a plurality of types of instruments are integrated into a unit. '' Background technology
  • Conventional instrumentation includes multiple instruments, each of which operates according to different measured quantities, such as a speedometer that displays vehicle speed, a tachometer that displays engine speed, a fuel gauge that displays remaining fuel, and engine coolant.
  • a so-called combination meter in which a plurality of instruments, such as a water thermometer, for displaying the temperature of the air are united.
  • each instrument The main components of each instrument are a driving device that drives the rotating shaft according to different measured quantities, a pointer connected to the rotating shaft of the driving device, and a scale plate located behind the pointer.
  • the measurement amount can be read by comparing the index part provided on the scale plate according to each measurement amount with the pointer rotating on the scale plate according to the measurement amount.
  • the present invention has been made in view of these points, and a main object of the present invention is to connect a plurality of driving devices for driving the plurality of hands, respectively, even when the plurality of hands have a structure having a front-back difference from each other.
  • the present invention provides an instrument device that can use a single circuit board described above and is resistant to vibration. Disclosure of the invention
  • the present invention provides a first drive device that drives a rotation axis according to a first measurement amount, and a second drive device that drives a rotation axis according to a second measurement amount.
  • a first pointer fixed to a rotating shaft of the first driving device, a second pointer fixed to a rotating shaft of the second driving device, and the first and second pointers indicate A scale plate having a display unit; and a circuit board electrically connected to the first and second driving devices, wherein the first pointer is the second pointer in the axial direction of the rotation shaft.
  • the first drive device is arranged on the front side of the circuit board
  • the second drive device is arranged on the back side of the circuit board.
  • a first driving device that drives a rotating shaft to which the first pointer is fixed; a second driving device that drives a rotating shaft to which the second pointer is fixed; and the first and second driving devices.
  • a scale plate provided with a display unit indicated by the hands, and a circuit board electrically connected to the first and second driving devices, wherein the first hands in the axial direction of the rotating shaft are provided by the first hands.
  • the first driving device is disposed on the front side of the circuit grave plate
  • the second driving device is disposed on the rear side of the circuit board. Things.
  • the circuit board is a hard circuit board.
  • the light source for illuminating the scale plate is a surface-mounted chip-type light-emitting diode.
  • the present invention includes a light guide for guiding light of a light source for illuminating the first pointer to the first pointer.
  • FIG. 1 is a front view showing a front side of an instrument device according to an embodiment of the present invention
  • FIG. 2 is a cross-sectional view taken along line AA of FIG. 1
  • FIG. 4 is a cross-sectional view of a main part of a first driving device of the embodiment
  • FIG. 4 is a cross-sectional view of a main part of a second driving device of the embodiment.
  • the instrument device comprises a first driving device 6, 7 for driving the rotating shafts 61, 71 in accordance with a first measured amount, and a rotating shaft 81, 91 in accordance with the second measured amount.
  • Drive devices 8 and 9 for driving the first drive devices, first hands 21 1 and 31 fixed to the rotating shafts 61 and 71 of the first drive devices 6 and 7, and the second drive device 8 , 9, the second pointers 41, 51 fixed to the rotating shafts 81, 91, and the first and second pointers 21, 31, 41, 51 indicate the display M Plates 22, 32, 42, 52 provided with a circuit board 10 electrically connected to the first and second driving devices 6, 7, 8, 9.
  • the first pointer 21 1, 31 1 is the first drive in the instrument 1 arranged ahead of the second pointer 41 1, 51.
  • the devices 6 and 7 are arranged on the front side of the circuit board 10 and the second driving devices 8 and 9 are mounted on the back of the circuit board 10. It is arranged on the surface side. With such a configuration, even if the plurality of hands 21, 31, 41, 51 have a front-back difference from each other, the plurality of hands 21, 31, 41, 51 are respectively provided. It is possible to use a single circuit board 10 connecting a plurality of driving devices 6, 7, 8, 9 to be driven, and to provide an instrument device 1 that is resistant to vibration.
  • first pointer 2 1, 3 1 drives the rotating shafts 6 1, 7 1 to which the first pointer is fixed.
  • the first hands 21 and 31 in the axial direction of the rotating shafts 61, 71, 81 and 91 are higher than the second hands 41 and 51.
  • the first driving devices 6 and 7 are arranged on the front side of the circuit board 10 and the second driving devices 8 and 9 are arranged on the back side of the circuit board 10. Things.
  • the plurality of hands 21, 31, 41, 51 are respectively assigned. It is possible to use a single circuit board 10 in which a plurality of driving devices 6, 7, 8, 9 to be connected are connected, and it is possible to provide an instrument device 1 that is resistant to vibration.
  • the circuit board 10 is a hard circuit board. With this configuration, it is possible to provide an instrument device 1 that can support the driving devices 6, 7, 8, 9 'by the circuit board 10.
  • the light source 12 for illuminating the scale plates 22, 32, 42, 52 is a surface-mounted chip type light emitting diode. With this configuration, it is possible to satisfactorily illuminate the scale plates 42, 52 even if the distance between the scale plates 22, 32, 42, 52 and the circuit board 10 is small.
  • Instrument system 1 can be provided.
  • the present invention is provided with a light guide 13 for guiding the light of the light source 12 for illuminating the first hands 21 and 31 to the first hands 21 and 31. With this configuration, even if the distance between the first hands 21 and 31 and the circuit board 10 is wide, an instrument that can illuminate the first hands 21 and 31 well can be provided.
  • Apparatus 1 can be provided.
  • the present invention is applied to an in-vehicle instrument device.
  • an instrument device 1 includes a speedometer 2, a tachometer 3, a fuel meter 4, and a water temperature meter 5.
  • these various instruments 2 to 5 include cross-coil type driving devices 6 to 9 and rotating shafts 61, 71, 81, and 81 of these driving devices 6 to 9.
  • 9 in 1 The pointers 2 1, 3 1, 4 1, 5 1 inserted into and fixed to the distal end, and the scale plates 2 2, 3 2, 4 located behind these pointers 2 1, 3 1, 4 1, 5 1 2 and 5 and a circuit board 10 electrically connected to the driving devices 6 to 9.
  • the driving devices 6 to 9 use the same driving device that is structurally equivalent to the speedometer 2 and the tachometer 3 in the various instruments 2 to 5, and the fuel meter 4 and the water temperature meter 5 also use the same structural device. A new common drive is used.
  • the drive used for speedometer 2 (first drive) 6 is for vehicle speed
  • the drive used for tachometer 3 (first drive) 7 is for engine speed
  • fuel gauge 4 Drive unit (second drive unit) 8 used for remaining fuel in the fuel tank
  • drive unit used for water temperature gauge 5 (second drive unit) 9 rotates according to engine coolant temperature It is configured to drive axes 61, 71, 81, and 91.
  • a pointer (first pointer) 2 1 is provided on the rotation axis 6 1 of the drive 6
  • a pointer (first pointer) 3 1 is provided on the rotation axis 7 1 of the drive 7
  • a rotation axis 8 1 of the drive 8 is provided.
  • a pointer (second pointer) 41 is inserted and fixed to the rotating shaft 91 of the driving device 9, respectively.
  • the pointers 21, 31, 41, 51 are made of a light-transmitting synthetic resin, and the indicating portions 21, 31, 31 extend along the surface of the scale plates 22, 32, 42, 52. , 4 1 1, 5 1 1 and a pointer cap 2 1 2, 3 1 2., made of a substantially cup-shaped light-shielding synthetic resin that covers the center of rotation of the fingers 2 1, 3 1, 4 1, 5 1. 4 1 2, 5 1 2 and light-shielding synthetic resin that connects the indicator 2 1 1, 3 1 1, 4 1 1, 5 1 1 1 to the rotating shaft 6 1 Insertion part (boss part) It is composed of 2 13, 3 13, 4 13, and 5 13. Inlet (boss) 2 13, 3 13, 4 13, 5 13 are provided with holes (not shown) for inserting the rotating shafts 61, 71, 81, 91. ing.
  • the scale plates 22, 32, 42, 52 are provided on the surface of a base material made of a transparent material, a ground color part B (see Fig. 1) made of a light-shielding printing layer, and colored translucent printing. It is composed of layers, and a display M (see Fig. 1) of scales, characters, marks, etc., to be indicated by the pointers 21, 31, 31, 41, 51 is formed. It is provided at the site except for.
  • the scale plates 2 and 32 constituting the speedometer 2 and the tachometer 3 cover the front of the first drive units 6 and 7 and the fuel gauge. 4 and water thermometer 5
  • the plate surfaces of the plates 22 and 32 are placed in front (upper in Fig. 2) closer to the observer, and the scale plates 4 2 and 52 of the fuel gauge 4 and the water temperature gauge 5 are They are arranged with a front-rear difference so that they can be seen deep in the rear (lower part in Fig. 2) side of the viewer.
  • the pointers 21, 31, 31, 41, 51 located in front of the scale plates 22, 32, 42, 52 are also the first pointers 21, 31, 31 and the second pointer 4, 21.
  • the first hands 21 and 31 are forward (upper in FIG. 2) and the second
  • the pointers 41 and 51 are arranged with a difference in front and rear so that they can be seen behind the back (lower in FIG. 2).
  • each of the scale plates 22, 32, 42, 52 surrounds the periphery of the circuit board 10 and partially contacts the circuit board 10, forming a skeleton of the instrument device 1. It is supported on the circuit board 10 by 1.
  • the circuit board 10 is a hard circuit board made of glass epoxy resin or the like.
  • a light emitting diode as a light source and a chip-type light emitting diode 12 which can be mounted on a surface are provided at predetermined positions on the circuit board 10.
  • the scales 4 2, 5 2 and the pointers 4 1, 5 1 of the fuel gauge 4 and the water temperature gauge 5 are directly illuminated with the light from the light emitting diode 12, and are rotated with the speedometer 2.
  • a total of 3 scale plates 2 2, 3 2 and pointers 2 1, 3 1 are arranged behind the scale plates 2 2, 3 2 with light guides 13 corresponding to the driving devices 6, 7, respectively.
  • the light from the light emitting diode 12 is guided by 13 to illuminate the scale plates 22 and 32 and the fingers and the needles 21 and 31.
  • the front sides of the various instruments 2 to 5 integrated through the circuit board 10 and the middle case 11 are covered with a facing frame 14 that conceals unnecessary areas and exposes necessary areas.
  • the front side of the circuit board is covered with a transparent cover 15, and the back of the circuit board 10 is covered with a back cover 16.
  • Each of the driving devices 6 to 9 is directly mounted on a single circuit board 10. It is directly electrically connected to a circuit pattern (not shown) formed on at least both sides of the circuit board 10.
  • the first and second driving devices 6 to 9 have the same structure as the first driving devices 6 and 7. And the second driving devices 8 and 9 are structurally equivalent.
  • the first driving device 7 and the second driving device 9 are taken as examples, and the first driving device 8 and the second driving device 9 are used as examples.
  • the structure of the devices 7 and 9 and the structure for fixing the circuit board 10 will be described.
  • the first drive unit 7 includes a disk-shaped magnet 72 fixed to a rotating shaft 71, a synthetic resin frame 73 accommodating a part of the magnet 752 and a part of the rotating shaft 71, and a frame 71. 3 and a cylindrical cup-shaped case 75 made of metal for accommodating the frame 73 and the coil 74.
  • the frame 73 is divided into upper and lower two parts.
  • the frame 73 has a storage space 76 for storing a part of the magnet 72 and the rotary shaft 71.
  • the frame 73 holds the magnet 72 and the rotating shaft 71 rotatably.
  • the coil 74 is wound around the frame 73 so that the coils through which two different electrical signals flow cross each other.
  • the frame 73 is provided with four legs 77, and a metal cylindrical terminal 78 is embedded in all of the four legs 77.
  • a coil 74 is connected to this terminal 78.
  • Out of the four 15 legs 77, two of them have an arm piece 79 protruding upward, and are fixed to the scale plate 3 2 and the light guide 13 by screws 17. I have.
  • the lower ends of all four legs 77 are exposed through the case 75. And it is fixed to the circuit board 10 by the screw 18.
  • the first driving device 7 is arranged on the front side (upper side in FIG. 3) of the circuit board 10.
  • the terminal 78 is electrically connected to a circuit pattern (not shown) formed on the circuit board 10.
  • the second drive unit 9 is, like the first drive unit 7, a disc-shaped magnet 92 fixed to the rotating shaft 91, and a synthetic resin housing the magnet 92 and a part of the rotating shaft 91. It comprises a frame 93 made of stainless steel, a coil 94 wound around the frame 93, and a cylindrical cup-shaped case 95 made of metal for housing the frame 93 and the coil 2594. .
  • the frame 93 is not shown, but is divided into upper and lower two parts.
  • the frame 93 has a storage space 96 for storing a part of the magnet 92 and the rotating shaft 91.
  • the frame 93 holds the magnet 92 and the rotating shaft 91 rotatably.
  • Coil 94 is wound around frame 93 such that two different electrical signals flow through each other.
  • the frame 93 is provided with four legs 97, and a metal rod-shaped terminal 98 is embedded in all of the four legs 97.
  • a coil 94 is connected to this terminal 98. Out of the four leg portions 97, two of them have an arm piece 990 projecting upward, and are fixed to the circuit board 10 by screws 19.
  • the second drive device 9 is arranged on the back side (the lower side in FIG. 4) of the circuit board 10.
  • the terminal 98 is electrically connected to a circuit pattern (not shown) formed on the circuit board 10 by soldering.
  • the first hands 21 and 31 and the second hands 41 and 51 are arranged at different positions in the front-back direction (the vertical direction in FIG. 2) with respect to the observer.
  • the first driving devices 6 and 7 for driving the first hands 2 1 and 3 1 are arranged on the front side of the circuit board 10 and the second hands 4 1 and 5 1 ′ are driven.
  • the second drive units 8 and 9 By arranging the second drive units 8 and 9 on the back side of the circuit board 10, the rotation connecting the hands 21, 31, 41 and 51 and the drive units 6, 7, 8 and 9 can be achieved.
  • the shafts 61, 71, 81, 91 have substantially the same length, and in particular, the rotating shafts 61, 1, which connect the first hands 21, 31 to the first driving devices 6, 7.
  • the first pointers 21 and 31 and the second pointers 41 and 51 move the observer in the front-rear direction (see FIG. 2). , Up and down).
  • the rotating shafts 61 and 71 connecting the first pointers 21 and 31 and the first driving devices 6 and 7 can be shortened as compared with the conventional case, and are resistant to vibration.
  • An instrument device can be provided. Therefore, the present invention can be applied to an instrument device such as a motorcycle used in an environment with severe vibration. It should be noted that the instrument device of the present invention may be applied to automobiles other than motorcycles.
  • the circuit board 10 is a hard circuit board, it is possible to provide an instrument device 1 that can support the driving devices 6, 7, 8, 9 by the circuit board 10.
  • the circuit board 10 is a hard circuit board 10.
  • the circuit board 10 is not limited to the previous embodiment, and may be a soft and flexible circuit board. In this case, it is sufficient to fix to the middle case 11 and to make only the electrical connection of the driving devices 6, 7, 8, 9.
  • the present invention provides a light source 12 for illuminating the scale plates 42, 52, which is a surface-mounted chip type. It is a light emitting diode.
  • the distance between the scale plates 22, 32, 42, 52 and the circuit board 10 can be reduced by reducing the size of the light source.
  • the front-rear difference between the first pointers 21, 31 and the second pointers 41, 51 is increased. It is possible to provide an instrument device 1 having a sense of depth.
  • the scale plates 42 and 52 can be satisfactorily illuminated even at such a narrow interval.
  • the present invention is provided with a light guide 13 for guiding the light of the light source 12 illuminating the first hands 21 and 31 to the first hands 21 and 31.
  • a light guide 13 for guiding the light of the light source 12 illuminating the first hands 21 and 31 to the first hands 21 and 31.
  • the driving devices 6 to 9 are provided with magnets 72, 92 on the rotating shafts 61, 71, 81, 91 to which the hands 21, 31, 41, 51 are fixed. Although it was fixed, it is not limited to the embodiment described above, and the rotating shaft to which the hands 21, 31, 41, 51 are fixed
  • the drive units 6 to 9 may be fixed to different shafts and connected to this shaft and the rotating shafts 61, 71, 81, 91 by transmission means such as gears.
  • the driving devices 6 to 9 are not limited to the cross-coil type driving devices 6 to 9, but may be a stepping motor type driving device. Industrial applicability
  • the present invention can be applied to an instrument device, and is particularly suitable for an instrument device having a structure in which a plurality of hands have a front-rear difference.

Abstract

L'invention concerne un dispositif jauge d'instrument, dans lequel un substrat circuit simple auquel sont raccordés des organes de commande conçus pour exciter des pointeurs, qui peut être utilisé même si les pointeurs sont disposés de manière étagée dans une direction axiale de l'arbre tournant et qui est résistant aux vibrations. Ledit dispositif comprend un premier organe d'entraînement qui entraîne un arbre tournant en fonction d'une première valeur mesurée, un second organe d'entraînement qui entraîne un arbre tournant en fonction d'une seconde valeur mesurée, un premier pointeur fixé à l'arbre tournant du premier organe d'entraînement, un second pointeur fixé à l'arbre tournant du second organe d'entraînement, une plaque graduée à indications que visent les premier et second pointeurs, et un substrat circuit relié électriquement aux premier et second organes d'entraînement. Dans ledit dispositif jauge d'instrument, le premier pointeur est placé plus avant dans la direction axiale des arbres tournants par rapport au second pointeur, le premier organe d'entraînement étant placé sur la face avant du substrat circuit, et le second organe d'entraînement sur sa face arrière.
PCT/JP2003/013451 2002-10-30 2003-10-21 Dispositif jauge d'instrument WO2004040243A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002315523A JP3885956B2 (ja) 2002-10-30 2002-10-30 計器装置
JP2002-315523 2002-10-30

Publications (1)

Publication Number Publication Date
WO2004040243A1 true WO2004040243A1 (fr) 2004-05-13

Family

ID=32211657

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/013451 WO2004040243A1 (fr) 2002-10-30 2003-10-21 Dispositif jauge d'instrument

Country Status (2)

Country Link
JP (1) JP3885956B2 (fr)
WO (1) WO2004040243A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5316800B2 (ja) * 2009-09-28 2013-10-16 日本精機株式会社 車両用表示装置
JP6345723B2 (ja) * 2016-03-11 2018-06-20 本田技研工業株式会社 車両のメータ装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08159814A (ja) * 1994-12-08 1996-06-21 Yazaki Corp 指示計器及び車両用計器
JPH09210735A (ja) * 1996-01-31 1997-08-15 Nippon Seiki Co Ltd 計器本体の取付構造
JPH11287673A (ja) * 1998-04-01 1999-10-19 Yazaki Corp コンビネーションメータ及びその製造方法
JP2001343262A (ja) * 2000-05-31 2001-12-14 Nippon Seiki Co Ltd メータ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08159814A (ja) * 1994-12-08 1996-06-21 Yazaki Corp 指示計器及び車両用計器
JPH09210735A (ja) * 1996-01-31 1997-08-15 Nippon Seiki Co Ltd 計器本体の取付構造
JPH11287673A (ja) * 1998-04-01 1999-10-19 Yazaki Corp コンビネーションメータ及びその製造方法
JP2001343262A (ja) * 2000-05-31 2001-12-14 Nippon Seiki Co Ltd メータ装置

Also Published As

Publication number Publication date
JP3885956B2 (ja) 2007-02-28
JP2004150915A (ja) 2004-05-27

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