WO2012005255A1 - 車両用表示装置 - Google Patents
車両用表示装置 Download PDFInfo
- Publication number
- WO2012005255A1 WO2012005255A1 PCT/JP2011/065389 JP2011065389W WO2012005255A1 WO 2012005255 A1 WO2012005255 A1 WO 2012005255A1 JP 2011065389 W JP2011065389 W JP 2011065389W WO 2012005255 A1 WO2012005255 A1 WO 2012005255A1
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- WO
- WIPO (PCT)
- Prior art keywords
- vehicle
- driving force
- display
- segment
- display device
- Prior art date
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- 230000028838 turning behavior Effects 0.000 description 1
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Classifications
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Definitions
- the present invention relates to a vehicle display device.
- the objective of this invention is providing the display apparatus for vehicles which can suppress manufacturing cost.
- vehicle information is displayed by combining the number display elements of the upper and lower segment indicators arranged one above the other.
- the vehicle information is displayed using the segment display that is cheaper than the liquid crystal screen, the manufacturing cost can be suppressed.
- FIG. 1 is a configuration diagram of a wheel drive system in a four-wheel drive vehicle of Embodiment 1.
- FIG. FIG. 3 is a front view of the combination meter 31 according to the first embodiment.
- 2 is a front view of an odometer 37 and a trip meter 38 according to Embodiment 1.
- FIG. It is a front view of 7 segment LED39.
- It is a display example of the driving force distribution display unit 43 during straight traveling. It is a display example of the driving force distribution display unit 43 when turning right. It is an example of a segment display pattern at the time of turning left and when there is a difference in rear wheel left / right distribution amount. It is an example of a display of the driving force distribution display part 43 at the time of the right turn of another Example.
- FIG. 1 is a configuration diagram of a wheel drive system in the four-wheel drive vehicle of the first embodiment.
- the rotational power from the engine 3 is changed by a transmission (transaxle including a differential gear device 4a) 4 and the left and right front wheels 1L which are main drive wheels via the left and right axle shafts 5L and 5R. , 1R to drive these left and right front wheels 1L, 1R.
- a transmission transaxle including a differential gear device 4a
- the left and right front wheels 1L which are main drive wheels via the left and right axle shafts 5L and 5R.
- 1R to drive these left and right front wheels 1L, 1R.
- the transfer 6 has a bevel gear set including an input side hypoid gear 6a and an output side hypoid gear 6b.
- the input side hypoid gear 6a is configured to rotate together with a differential gear case which is an input rotation member of the differential gear device 4a.
- the front end of the propeller shaft 7 is coupled to the output side hypoid gear 6b, and the propeller shaft 7 extends rearward toward the left and right rear wheel driving force distribution unit 8.
- the transfer 6 determines the gear ratio of the bevel gear set including the hypoid gear 6a and the output side hypoid gear 6b so that a part of the driving force directed to the left and right front wheels 1L, 1R is accelerated and output to the propeller shaft 7.
- the accelerated rotational power to the propeller shaft 7 is distributed and output to the left and right rear wheels 2L and 2R based on the target value determined by the left and right rear wheel driving force distribution unit 8.
- the left and right rear wheel driving force distribution unit 8 has a center shaft 10 extending in the axial direction of the shafts 9L and 9R between the axle shafts 9L and 9R of the left and right rear wheels 2L and 2R.
- the left and right rear wheel driving force distribution unit 8 is further disposed between the center shaft 10 and the left rear wheel axle shaft 9L.
- a right rear wheel side clutch 11R is provided between the wheel axle shafts 9R and controls the coupling between the shafts 10 and 9R.
- the rear end of the propeller shaft 7 extending from the transfer 6 to the rear of the vehicle and the center shaft 10 are drive-coupled via a bevel gear type final reduction gear 12 composed of an input side hypoid gear 12a and an output side hypoid gear 12b.
- the reduction gear ratio of the final reduction gear 12 is related to the left and right front wheels 1L and 1R in relation to the above-described speed-up gear ratio of the transfer 6 (speed-up gear ratio of the bevel gear set including the hypoid gear 6a and the output side hypoid gear 6b).
- the gear ratio is such that a part of the driving force toward the center shaft 10 is directed to increase the speed downward.
- transfer is performed so that the center shaft 10 rotates at an increased speed with respect to the left and right front wheels 1L and 1R. Set the total gear ratio of 6 and final reduction gear 12.
- the rotational power from the engine 3 reaches the left and right front wheels 1L and 1R under the shift by the transmission (transaxle) 4, and these left and right front wheels 1L and 1R To drive.
- a part of the driving force toward the left and right front wheels 1L, 1R reaches the center shaft 10 through the propeller shaft 7 and the final reduction gear 12 sequentially from the transfer 6, and then the clutch 11L, 11R is increased.
- the left and right rear wheels 2L and 2R are driven while the clutches 11L and 11R are controlled to engage with each other so as to slip.
- the vehicle can drive on four wheels by driving the left and right front wheels 1L and 1R and driving the left and right rear wheels 2L and 2R.
- the front and rear wheel driving force is controlled through the total engagement force control of the left rear wheel side clutch 11L and the right rear wheel side clutch 11R for the purpose of improving the starting performance and acceleration performance of the vehicle. Perform distribution control. Further, for the purpose of improving the turning performance of the vehicle and stabilizing the turning behavior, left and right wheel driving force distribution control is performed through the engaging force control of the left rear wheel side clutch 11L and the right rear wheel side clutch 11R. For this reason, the engaging force control system for the left rear wheel side clutch 11L and the right rear wheel side clutch 11R is as follows.
- Each of the left rear wheel side clutch 11L and the right rear wheel side clutch 11R is an electromagnetic type in which the fastening force is determined according to the supply current, and the fastening force of these clutches 11L and 11R is respectively a four wheel drive (4WD) controller 21.
- a four wheel drive (4WD) controller 21 By electronically controlling the current supplied to the clutches 11L and 11R so as to achieve the fastening force corresponding to the target driving forces TcL and TcR of the left and right rear wheels 2L and 2R obtained in Wheel drive force distribution control shall be performed.
- the 4WD controller 21 receives the signal from the vehicle speed sensor 22 that detects the vehicle speed VSP and the center of gravity of the vehicle. From the signal from the yaw rate sensor 23 that detects the yaw rate ⁇ around the passing vertical axis, the signal from the steering angle sensor 24 that detects the steering wheel steering angle ⁇ , and the engine torque calculator 25 that calculates the output torque Te of the engine 3 , A signal from the engine rotation sensor 26 that detects the engine speed Ne, a signal from the accelerator opening sensor 27 that detects the accelerator opening APO that is the accelerator pedal depression amount, and the transmission 4 is selected.
- a signal from the transmission gear ratio sensor 28 for detecting the gear ratio ⁇ is input.
- the 4WD controller 21 calculates the total driving force of the vehicle based on the input information, and also calculates the rear wheel distribution amount (the driving force distribution amount of the left and right rear wheels 2L and 2R) and the rear wheel left and right distribution from the input information and the total driving force. The amount difference is calculated. Then, the left rear wheel target driving force TcL and the right rear wheel target driving force TcR that realize the difference between the rear wheel distribution amount and the rear wheel left / right distribution amount are calculated, and the driving forces of the left and right rear wheels 2L, 2R are calculated as the target driving force TcL. ,
- the engagement force (current) of the left rear wheel side clutch 11L and the right rear wheel side clutch 11R is electronically controlled so as to coincide with TcR.
- the 4WD controller 21 calculates an odometer (upper segment indicator) 37 and a trip meter (lower side), which will be described later, arranged in the combination meter 31 based on the calculated total driving force of the vehicle, rear wheel distribution amount, and rear wheel left / right distribution amount difference.
- Segment indicator) 38 calculates the segment lighting pattern to display the driving force distribution between the front and rear wheels and between the left and right rear wheels, and uses the CAN communication line (not shown) to display the calculation result as a meter controller (display control means) Send to 29.
- the meter controller 29 displays the display contents of the odometer 37 and the trip meter 38 as distance (integrated travel distance, section travel distance) display, driving force distribution state display, Switch in order of fuel consumption display.
- the display may be switched to display one or more other pieces of vehicle information.
- the change-over switch 30 is disposed at a position where the driver can operate the vehicle while the vehicle is traveling, such as a steering wheel or an instrument panel (not shown).
- FIG. 2 is a front view of the combination meter 31 according to the first embodiment.
- the combination meter 31 is installed on an instrument panel (not shown) and displays a tachometer 32 for displaying the number of revolutions of the engine 3 and a traveling speed of the vehicle.
- the speedometer 33 is arranged on the left and right. Between the meters 32 and 33, a temperature gauge 34 that displays the temperature of the engine coolant, a fuel gauge 35 that displays the remaining amount of fuel, and a display area 36 that displays other warning / indicator lights are set.
- the instrument panel is provided with a turn signal indicator lamp, a high beam indicator lamp, and a shift pattern indicator lamp, which are not shown.
- FIG. 3 is a front view of the odometer 37 and trip meter 38 of the first embodiment.
- the odometer 37 has a 7-segment LED (numerical display element) 39 for displaying numerical values by seven segments as shown in FIG. 6 are arranged side by side. Therefore, the odometer 37 can display a 6-digit numerical value.
- the trip meter 38 includes five 7-segment LEDs (numerical display elements) 39 arranged in the left-right direction. Therefore, the trip meter 38 can display a 5-digit numerical value.
- the odometer 37 and the trip meter 38 are arranged such that the left and right direction positions of the 7-segment LEDs 39 are aligned from the 1 side.
- the odometer 37 can return the display to zero when the driver presses the reset button 40.
- the trip meter 38 can switch between trip meters A and B each time the driver presses the changeover switch 41, and can display two types of section travel distances.
- a character display unit 42 for lighting one of the characters A and B is disposed.
- the meter controller 29 lights the letter A while the trip meter A is displayed, and lights the letter B while the trip meter B is displayed.
- the trip meter 38 can return the display to zero when the driver presses the changeover switch 41 for a predetermined time or longer.
- FIG. 4 is a front view of a seven-segment LED 39 used in the odometer 37 and trip meter 38.
- the seven-segment LED 39 includes three lateral segments 39a, 39b, 39c extending in the lateral direction and four longitudinal segments extending in the longitudinal direction. 39d, 39e, 39f, and 39g.
- the upper horizontal segment 39a is positioned at the upper level
- the middle horizontal segment 39b is positioned at the middle level
- the lower horizontal segment 39c is positioned at the lower level.
- the upper left vertical segment 39d is located in the upper left
- the lower left vertical segment 39e is located in the lower left
- the upper right vertical segment 39f is located in the upper right
- the lower right vertical segment 39g is located in the lower right.
- the odometer 37 and the trip meter 38 are switched in the order of display of the accumulated travel distance and section travel distance, display of the driving force distribution state to each wheel, and fuel consumption display.
- the driving force distribution state ten 7-segment LEDs 39, that is, five seven-segment LEDs 39 constituting the trip meter 38 and five seven-segment LEDs 39 from the right among the six seven-segment LEDs 39 constituting the odometer 37 are used.
- the odometer 37 and the trip meter 38 are collectively referred to as a driving force distribution display unit 43.
- FIG. 5 is a display example of the driving force distribution display unit 43 when traveling straight
- FIG. 6 is a display example of the driving force distribution display unit when turning right.
- the driving force distribution display unit 43 lights up the two upper and lower 7-segment LEDs 39 in an H shape, that is, an upper horizontal segment 39a and a lower horizontal segment 39c. A symbol imitating the car body is displayed by lighting the five segments except for.
- the driving force distribution state of the left front wheel 1L is the number of display segments (0 to 3), which is the number of segments to be lit using three upper vertical segments located on the left side of the upper right vertical segment 39f displaying the left front wheel 1L. ).
- the driving force distribution state of the right front wheel 1R is expressed by the number of display (lighted) segments (0 to 3) using three upper vertical segments positioned on the right side of the upper left vertical segment 39d displaying the right front wheel 1R. .
- the driving force distribution of the left rear wheel 2L uses three lower vertical segments located to the left of the lower right vertical segment 39g displaying the left rear wheel 2L.
- the driving force distribution state of the right rear wheel 2R uses three lower vertical segments located on the right side of the lower left vertical segment 39e displaying the right rear wheel 2R, and is the number of display (lighted) segments (0 to 3). Express.
- the number of display segments corresponding to the left and right rear wheels 2L and 2R is the same as shown in FIG.
- the number of display segments corresponding to the left and right rear wheels 2L and 2R is increased with respect to the total number of display segments.
- the total number of display segments is increased as the total driving force of the vehicle increases.
- the number of display segments corresponding to each wheel is set to zero.
- the driving force of the turning outer wheel out of the left and right rear wheels 2L, 2R is larger than the driving force of the turning inner wheel. Therefore, as shown in FIG.
- the number of display segments corresponding to the wheel 2L is made larger than the number of display segments corresponding to the right rear wheel 2R that is the turning inner wheel. At this time, the larger the difference between the left and right rear wheel distribution amounts, the greater the difference in the number of display segments corresponding to the left and right rear wheels 2L and 2R. Further, the number of display segments is changed according to the rear wheel distribution amount and the total driving force of the vehicle.
- FIG. 7 is an example of a segment display pattern when the vehicle is turning left and there is a difference between the left and right rear wheels.
- the 4WD controller 21 sets the total driving force of the vehicle to “large”, “medium”, and “small”.
- the difference between the rear wheel distribution amount and the rear wheel left / right distribution amount in each driving force region is divided into two regions, “large” and “small”, and the segment display pattern in each region Make them different.
- the rear wheel distribution amount is not classified only when the dynamic driving force of the vehicle is “small”. The reason is that when the total driving force of the vehicle is small, the rear wheel distribution amount is small, and even if the vehicle is divided into large and small, there is no difference in the number of display segments.
- the right rear wheel 2R except when the total driving force of the vehicle is “large”, the rear wheel distribution amount is “large”, and the difference between the rear wheel left and right distribution amounts is “small”.
- the number of display segments corresponding to is all zero, this does not necessarily indicate that the driving force of the right rear wheel 2R is zero.
- the number of display segments is determined in accordance with the difference between the rear wheel left and right distribution amounts, and the maximum number of display segments corresponding to each wheel is three. When the three wheel distribution amounts and the difference between the left and right rear wheel distribution amounts are expressed, the number of display segments of the wheels with the smaller driving force distribution amount among the left and right rear wheels 2L and 2R is zero.
- the difference between the total driving force of the vehicle, the rear wheel distribution amount, and the rear wheel left and right distribution amount is reduced. It can be expressed with more patterns.
- Example 1 According to the driving force distribution display device of the first embodiment described above, the following effects can be obtained.
- the odometer 37 and trip meter 38 arranged side by side and the upper and lower 7-segment LEDs 39 near the center of the left and right of the odometer 37 and trip meter 38 are used to display the vehicle body.
- a meter controller 29 that displays a driving force distribution state between the wheels (a driving force distribution state between the front and rear wheels, a driving force distribution state between the left and right wheels) using the left and right 7-segment LEDs 39 of the LED 39.
- the odometer 37 and the trip meter 38 are configured by arranging a plurality of inexpensive 7-segment LEDs 39, and the manufacturing cost can be reduced as compared with the conventional display using the liquid crystal screen to display the driving force distribution state between the wheels.
- the meter controller 29 displays the driving force distribution state between the left and right front wheels 1L and 1R and the left and right rear wheels 2L and 2R and the driving force distribution state between the left and right rear wheels 2L and 2R as the driving force distribution state between the wheels. To do. Therefore, when turning a four-wheel drive vehicle that can adjust the driving force distribution of the front and rear wheels and the driving force distribution of the left and right rear wheels 2L and 2R as in the first embodiment, the left and right front wheels 1L and 1R The driving force distribution state between the rear wheels 2L and 2R and the driving force distribution state between the left and right rear wheels 2L and 2R can be notified at the same time.
- the meter controller 29 divides the two regions into “large” and “small” areas according to the driving force distribution amount of the rear wheels 2L and 2R with respect to the left and right front wheels 1L and 1R. It is divided into two areas of “large” and “small” according to the difference between the left and right distribution amounts of the wheels 2L and 2R, and the segment display pattern is different in each area. This informs the driver, using the four segment display patterns, whether the rear wheel driving force distribution amount, which is the minimum necessary information, is large and whether the difference between the rear wheel left and right distribution amounts is large. Can do.
- the meter controller 29 divides the total driving force of the vehicle into three driving force areas, “large”, “medium”, and “small”. As described above, the four regions are divided according to the difference between the rear wheel driving force distribution amount and the rear wheel left / right distribution amount, and the “small” driving force region is divided into two regions according to the rear wheel left / right distribution difference. ing. Thereby, in addition to the magnitude of the rear wheel driving force distribution amount and the difference in the rear wheel left / right distribution amount, the driver can be informed of the magnitude of the driving force of the vehicle. In addition, 10 states can be expressed within the restriction that the number of display segments corresponding to each wheel is a maximum of three.
- Odometer 37 and trip meter 38 which are always provided in passenger car combination meters, are used as driving force distribution display unit 43, so there is no need for a dedicated display device that displays the driving force distribution state. Compared with the case where the display device is provided separately, the manufacturing cost can be suppressed.
- the odometer 37 and trip meter 38 are switched in order of distance display, driving force distribution state display, and fuel consumption display each time the display changeover switch 30 is operated, the driver displays the driving force distribution state display only when necessary. It can be switched, and can be hidden when unnecessary.
- the meter controller 29 Since the meter controller 29 displays the vehicle body by lighting both the upper and lower 7-segment LEDs 39 in the center of the left and right in an H shape, a symbol that approximates the planar shape of the vehicle body using the two 7-segment LEDs 39 is used. Can be displayed in the center. Therefore, the driver can instantly recognize the driving force distribution state of each wheel and improve the visibility.
- the meter controller 29 is an H-shaped one of the upper vertical segments of two 7-segment LEDs 39, 39 adjacent to the left and right of the upper 7-segment LED 39 among the 7-segment LEDs 39 lit in the H-shape.
- the upper vertical segment on the side close to the 7-segment LED 39 that was lit up is lit to display the left and right front wheels, and among the 7-segment LED 39 that is lit in the above H shape, adjacent to the left and right of the lower 7-segment LED 39
- the lower vertical segment on the side close to the 7-segment LED 39 that is lit in an H shape among the lower vertical segments of the two 7-segment LEDs 39, 39 to be turned on is displayed. Thereby, the symbol approximated to the planar shape of a vehicle can be displayed in the center using two 7 segment LED39. Therefore, it is possible to improve visibility and design.
- this is a segment display pattern when the total driving force is “medium”, the rear wheel distribution amount is “large”, and the rear wheel left / right distribution amount difference is “small” in FIG.
- the display of the odometer and trip meter is switched from the distance display to the driving force distribution state display by using the driver's switch operation as a trigger is shown.
- the driving force distribution state of the front and rear wheels and the driving force distribution of the left and right wheels are shown. It may be configured to automatically switch from the distance display to the driving force distribution state display using at least one of the states as a trigger.
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Abstract
Description
本発明の目的は、製造コストを抑制できる車両用表示装置を提供することにある。
29 メータコントローラ(表示制御手段)
30 表示切り替えスイッチ
31 コンビネーションメータ
37 オドメータ(上側セグメント表示器)
38 トリップメータ(下側セグメント表示器)
39 セグメントLED(数字表示素子)
39a 上段横方向セグメント
39b 中段横方向セグメント
39c 下段横方向セグメント
39d 左上段縦方向セグメント
39e 左下段縦方向セグメント
39f 右上段縦方向セグメント
39g 右下段縦方向セグメント
43 駆動力配分表示部
〔実施例1〕
[車輪駆動系の構成]
図1は、実施例1の四輪駆動車両における車輪駆動系の構成図である。
実施例1の四輪駆動車は、エンジン3からの回転動力を変速機(ディファレンシャルギヤ装置4aを含むトランスアクスル)4により変速し、左右アクスルシャフト5L,5Rを介し主駆動輪である左右前輪1L,1Rに向かわせ、これら左右前輪1L,1Rの駆動に供する。
また、変速機4により変速された後に左右前輪1L,1Rへ向かう駆動力(トルク)の一部を、トランスファー6により方向変換して副駆動輪である左右後輪2L,2Rに向かわせ、これら左右後輪2L,2Rの駆動に供する。この伝達系の構成を説明する。
左右後輪駆動力配分ユニット8はさらに、センターシャフト10および左後輪アクスルシャフト9L間にあって、これらシャフト10,9L間を結合制御するための左後輪側クラッチ11Lと、センターシャフト10および右後輪アクスルシャフト9R間にあって、これらシャフト10,9R間を結合制御するための右後輪側クラッチ11Rとを有する。
左後輪側クラッチ11Lおよび右後輪側クラッチ11Rはそれぞれ、供給電流に応じて締結力を決定される電磁式とし、これらクラッチ11L,11Rの締結力がそれぞれ、四輪駆動(4WD)コントローラ21で求めた左右後輪2L,2Rの目標駆動力TcL,TcRに対応した締結力となるよう当該クラッチ11L,11Rへの供給電流を電子制御することで、上記の前後輪駆動力配分制御および左右輪駆動力配分制御を行うものとする。
4WDコントローラ21は、これら入力情報を元に車両の総駆動力を算出すると共に入力情報と総駆動力とから後輪配分量(左右後輪2L,2Rの駆動力配分量)および後輪左右配分量差を算出する。そして、後輪配分量と後輪左右配分量差を実現する左後輪目標駆動力TcLおよび右後輪目標駆動力TcRを演算し、左右後輪2L,2Rの駆動力がこれら目標駆動力TcL,TcRに一致するよう、左後輪側クラッチ11Lおよび右後輪側クラッチ11Rの締結力(電流)を電子制御する。
4WDコントローラ21は、算出した車両の総駆動力、後輪配分量および後輪左右配分量差に基づいて、コンビネーションメータ31に配置した後述するオドメータ(上側セグメント表示器)37およびトリップメータ(下側セグメント表示器)38に前後輪間および左右後輪間の駆動力配分状態を表示するためのセグメント点灯パターンを演算し、演算結果を図外のCAN通信線を用いてメータコントローラ(表示制御手段)29へ送る。メータコントローラ29は、ドライバにより操作される表示切り替えスイッチ30が操作される毎に、オドメータ37およびトリップメータ38の表示内容を、距離(積算走行距離、区間走行距離)表示、駆動力配分状態表示、燃費表示の順に切り替える。ここで、燃費に加え、他の1つまたは複数の車両情報の表示に切り替える構成としてもよい。以下、その構成について説明する。なお、切り替えスイッチ30は、例えば、図外のステアリングホイールやインストルメントパネル等、車両の走行中にドライバが操作可能な位置に配置する。
図3は実施例1のオドメータ37およびトリップメータ38の正面図であり、オドメータ37は、図4に示すような7つのセグメントにより数値を表示する7セグメントLED(数字表示素子)39を左右方向に6つ並べて構成する。よって、オドメータ37は、6桁の数値を表示可能である。また、トリップメータ38は、オドメータ37と同様、7セグメントLED(数字表示素子)39を左右方向に5つ並べて構成する。よって、トリップメータ38は、5桁の数値を表示可能である。オドメータ37とトリップメータ38は、1の位側から各7セグメントLED39の左右方向位置を揃えて配置している。
オドメータ37は、ドライバがリセットボタン40を押すことにより表示をゼロに戻すことができる。また、トリップメータ38は、ドライバが切り替えスイッチ41を押す毎に、トリップメータAとBとが交互に切り替わり、2種類の区間走行距離を表示できる。トリップメータ38の左端には、文字A,Bの一方を点灯させる文字表示部42を配置している。メータコントローラ29は、トリップメータAの表示中は文字Aを点灯させ、トリップメータBの表示中は文字Bを点灯させる。トリップメータ38は、ドライバが切り替えスイッチ41を所定時間以上長押しすることにより表示をゼロに戻すことができる。
上述したように、オドメータ37およびトリップメータ38は、表示切り替えスイッチ30が操作される度に積算走行距離および区間走行距離の表示、各輪への駆動力配分状態の表示、燃費表示の順に切り替わる。駆動力配分状態の表示には、トリップメータ38を構成する5つの7セグメントLED39とオドメータ37を構成する6つの7セグメントLED39のうち右から5つの7セグメントLED39の計10個の7セグメントLED39を用いる。以下、オドメータ37とトリップメータ38とを併せて駆動力配分表示部43という。
一方、旋回時には、左右後輪2L,2Rのうち、旋回外輪の駆動力が旋回内輪の駆動力よりも大きくなるため、図6に示すように右旋回時の場合は旋回外輪である左後輪2Lに対応する表示セグメント数を、旋回内輪である右後輪2Rに対応する表示セグメント数よりも多くする。このとき、後輪左右配分量差が大きいほど、左右後輪2L,2Rに対応する表示セグメント数に差を付ける。また、後輪配分量と車両の総駆動力とに応じて各表示セグメント数を変更する。
よって、例えば、図6の表示例は、図7において総駆動力が「中」、後輪配分量が「大」、後輪左右配分量差が「小」の区分のときのセグメント表示パターンであることがわかる。
右旋回時の場合は、図7の2Rと2Lの数値を入れ替えた値となるため、説明を省略する。
上述した実施例1の駆動力配分表示装置によれば、以下のような効果が得られる。
(1) 上下に並べて配置したオドメータ37およびトリップメータ38と、オドメータ37およびトリップメータ38における左右中央付近の上下2つの7セグメントLED39を用いて車体を表示し、車体を表示した上下2つの7セグメントLED39の左右の7セグメントLED39を用いて車輪間の駆動力配分状態(前後輪間の駆動力配分状態、左右輪間の駆動力配分状態)を表示するメータコントローラ29と、を備える。
オドメータ37およびトリップメータ38は、安価な7セグメントLED39を複数桁並べて構成したものであり、従来の液晶画面を用いて車輪間の駆動力配分状態を表示するものに対し、製造コストを抑制できる。
(6) オドメータ37およびトリップメータ38は、表示切り替えスイッチ30が操作される毎に距離表示、駆動力配分状態表示および燃費表示が順に切り替えられるため、ドライバは必要なときのみ駆動力配分状態表示に切り替えることができ、不要な場合は非表示とすることができる。
(8) メータコントローラ29は、上記Hの字状に点灯させた7セグメントLED39のうち上側の7セグメントLED39の左右に隣接する2つの7セグメントLED39,39の上段縦方向セグメントのうちHの字状に点灯させた7セグメントLED39に近い側の上段縦方向セグメントを点灯させて左右前輪を表示すると共に、上記Hの字状に点灯させた7セグメントLED39のうち下側の7セグメントLED39の左右に隣接する2つの7セグメントLED39,39の下段縦方向セグメントのうちHの字状に点灯させた7セグメントLED39に近い側の下段縦方向セグメントを点灯させて左右後輪を表示する。これにより、2つの7セグメントLED39を用いて車両の平面形状に近似した記号を中央に表示できる。よって、視認性の向上および意匠性向上を図ることができる。
以上、本発明を実施するための形態を、実施例に基づいて説明したが、本発明の具体的な構成は、実施例に限定されるものではなく、発明の要旨を逸脱しない範囲の設計変更等があっても本発明に含まれる。
例えば、図8に示すように、駆動力配分表示部43の中央に車体のみを表示し、車輪の表示は省略してもよい。また、表示するセグメントは縦方向セグメントに限らず、図8のような矩形を1つの記号として表示してもよい。図8は、図6に示した状況と同じ右旋回時における別の表示例である。つまり、図7において総駆動力が「中」、後輪配分量が「大」、後輪左右配分量差が「小」の区分のときのセグメント表示パターンである。
実施例1では、ドライバのスイッチ操作をトリガとしてオドメータおよびトリップメータの表示を距離表示から駆動力配分状態表示へと切り替える例を示したが、前後輪の駆動力配分状態と左右輪の駆動力配分状態の少なくとも一方が変化したことをトリガとし、距離表示から駆動力配分状態表示へと自動的に切り替える構成としてもよい。
Claims (9)
- 車両のインストルメントパネルに配置され、複数のセグメントにより数値を表示する数字表示素子を左右方向に3つ以上並べて構成された上側セグメント表示器と、
前記上側セグメント表示器の下側に配置され、複数のセグメントにより数値を表示する数字表示素子を左右方向に3つ以上並べて構成された下側セグメント表示器と、
前記上側および下側セグメント表示器の数字表示素子を組み合わせて車両の情報を表示する表示制御手段と、
を備えたことを特徴とする車両用表示装置。 - 請求項1に記載の車両用表示装置において、
前記表示制御手段は、前記上側および下側セグメント表示器における左右中央付近の上下2つの数字表示素子を用いて車体を表示し、前記車体を表示した上下2つの数字表示素子の左右の数字表示素子を用いて車輪間の駆動力配分状態を表示することを特徴とする車両用表示装置。 - 請求項2に記載の車両用表示装置において、
前記表示制御手段は、前記車輪間の駆動力配分状態として、主駆動輪と副駆動輪間の駆動力配分状態および左右輪間の駆動力配分状態を表示することを特徴とする車両用表示装置。 - 請求項2または請求項3に記載の車両用表示装置において、
前記表示制御手段は、主駆動輪に対する副駆動輪の駆動力配分量と前記左右輪の駆動力配分量差とに応じて、前記車輪間の駆動力配分状態を複数の領域に区分し、各領域で前記車輪間の駆動力配分状態を表示する各数字表示素子のセグメント表示パターンを異ならせることを特徴とする車両用表示装置。 - 請求項4に記載の車両用表示装置において、
前記表示制御手段は、車両の総駆動力に応じて前記車輪間の駆動力配分状態を複数の駆動力領域に区分し、各駆動力領域を前記主駆動輪に対する副駆動輪の駆動力配分量と前記左右輪の駆動力配分量差とに応じて複数の領域に区分することを特徴とする車両用表示装置。 - 請求項2ないし請求項5のいずれか1項に記載の車両用表示装置において、
前記上側および下側セグメント表示器は、1つまたは複数の車両状態を表示する表示器であり、ドライバが表示切り替えスイッチを操作する毎に前記1つまたは複数の車両状態の表示と前記駆動力配分状態の表示とが順に切り替えられることを特徴とする車両用表示装置。 - 請求項6に記載の車両用表示装置において、
前記上側および下側セグメント表示器の一方は所定の車両情報として車両の積算走行距離を表示するオドメータであり、他方は所定の車両情報として区間走行距離を表示するトリップメータであることを特徴とする車両用表示装置。 - 請求項2ないし請求項7のいずれか1項に記載の車両用表示装置において、
前記数字表示素子は、7セグメントLEDであり、
前記表示制御手段は、前記左右中央付近の上下2つの7セグメントLEDを共にHの字状に点灯させて車体を表示することを特徴とする車両用表示装置。 - 請求項8に記載の車両用表示装置において、
前記表示制御手段は、前記Hの字状に点灯させた上側の7セグメントLEDの左右に隣接する2つの7セグメントLEDの上段縦方向セグメントのうち前記Hの字状に点灯させた7セグメントLEDに近い側の上段縦方向セグメントを点灯させて左右前輪を表示し、前記Hの字状に点灯させた下側の7セグメントLEDの左右に隣接する2つの7セグメントLEDの下段縦方向セグメントのうち前記Hの字状に点灯させた7セグメントLEDに近い側の下段縦方向セグメントを点灯させて左右後輪を表示することを特徴とする車両用表示装置。
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JP2012523882A JP5440703B2 (ja) | 2010-07-09 | 2011-07-05 | 車両用表示装置 |
EP11803589.8A EP2591943B1 (en) | 2010-07-09 | 2011-07-05 | Vehicle display device |
CN201180033431.2A CN102971177B (zh) | 2010-07-09 | 2011-07-05 | 车辆用显示装置 |
US13/700,689 US8909423B2 (en) | 2010-07-09 | 2011-07-05 | Vehicle display device |
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WO2014080459A1 (ja) * | 2012-11-20 | 2014-05-30 | トヨタ自動車株式会社 | トルク表示装置およびそれを備える車両 |
JP2015030435A (ja) * | 2013-08-06 | 2015-02-16 | 富士重工業株式会社 | 自動車のトルク配分音響提示装置 |
JP2015033981A (ja) * | 2013-08-09 | 2015-02-19 | 矢崎総業株式会社 | メータ |
JP2015058847A (ja) * | 2013-09-19 | 2015-03-30 | トヨタ自動車株式会社 | 4輪駆動車両の制御装置 |
JPWO2019003496A1 (ja) * | 2017-06-29 | 2020-07-09 | 本田技研工業株式会社 | 車両用計器 |
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CN104477116B (zh) * | 2014-12-04 | 2016-10-26 | 重庆长安汽车股份有限公司 | 一种四驱车辆扭矩实时动态显示系统及方法 |
CN104842793A (zh) * | 2014-12-18 | 2015-08-19 | 北汽福田汽车股份有限公司 | 一种汽车驱动扭矩显示方法及其系统 |
JP6350595B2 (ja) * | 2016-05-26 | 2018-07-04 | トヨタ自動車株式会社 | メータの表示制御装置 |
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CN113928117B (zh) * | 2021-03-25 | 2023-04-14 | 长城汽车股份有限公司 | 四驱车辆前后桥扭矩显示方法及系统 |
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WO2014080459A1 (ja) * | 2012-11-20 | 2014-05-30 | トヨタ自動車株式会社 | トルク表示装置およびそれを備える車両 |
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JP2015058847A (ja) * | 2013-09-19 | 2015-03-30 | トヨタ自動車株式会社 | 4輪駆動車両の制御装置 |
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JPWO2019003496A1 (ja) * | 2017-06-29 | 2020-07-09 | 本田技研工業株式会社 | 車両用計器 |
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Also Published As
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US20130079986A1 (en) | 2013-03-28 |
JP5440703B2 (ja) | 2014-03-12 |
EP2591943B1 (en) | 2019-08-21 |
EP2591943A1 (en) | 2013-05-15 |
CN102971177B (zh) | 2015-06-10 |
US8909423B2 (en) | 2014-12-09 |
EP2591943A4 (en) | 2017-12-20 |
JPWO2012005255A1 (ja) | 2013-09-05 |
CN102971177A (zh) | 2013-03-13 |
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