JP2001117508A - Display device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate an operation by physically relating a charging-related fuction displayed on a screen to a switch for the operation related to the function. SOLUTION: A battery remaining capacity display part 47 as the charging- related function the of a battery 5 and a charging reservation state display part 50 are arranged so as to be displayed in the up and down directions on the left side of a display screen 22. Moreover, a charging reserving button 23 is arranged on the lower side of the charging reservation state display part 50. In this device, the colors of the color of parts from '2' to 'FULL' of bar graphs in the battery remaining capacity display part 47 and the color of characters in the charging reservation display part 50 and the color of the charging reserving button 23 are made to be the same color, for example, a green color.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device mounted on a rechargeable battery type forklift.

[0002]

2. Description of the Related Art A rechargeable battery-type forklift is equipped with a display for displaying the remaining amount of a battery, a running speed, and the like. Set the items normally displayed on this display, that is, the screen,
A push button used for changing is arranged near the screen.

[0003]

The pushbuttons for operations related to the items or functions displayed on the screen are arranged irrespective of the position of the items on the screen. Physical relevance, such as placement and mounting location, was not considered. In particular, in a rechargeable battery-type forklift, the battery is always charged at the end of daily work, but the setting of the charging reservation is frequently changed due to fluctuations such as holidays. Although the setting operation is performed based on the procedure in the instruction manual, the display position of the screen and the position of the push button to be operated are arranged independently of each other, for example, since they are arranged at distant positions, there is a problem that the operation is difficult to use. Was.

The present invention has been made in view of the above points, and has been made easy to operate by physically associating a charging-related function displayed on a screen with an operation switch related to the function. It is an object of the present invention to provide a display device of a vehicle for the purpose of:

[0005]

Therefore, a display device for a forklift according to a first aspect of the present invention includes a plurality of operation switches for an operator to perform an input operation.
In a vehicle provided with a display device having a plurality of display units for displaying individual contents input by the respective switches on an operation panel, in the vehicle, the respective display units for performing display corresponding to the respective switches and the respective switches Are set to have similar colors to each other.

With this configuration, the relevance between the operation switches and the display unit can be intuitively recognized by the color recognition, and the operation of each switch can be facilitated.

According to a second aspect of the present invention, there is provided a display device for a forklift having a plurality of operation switches for an operator to perform an input operation and a plurality of display sections for displaying individual contents inputted by the respective switches. In a vehicle provided with the above on an operation panel, the switches described above and the display units for displaying corresponding to the switches are arranged close to each other at the same row or the same row.

[0008] Thus, the relevance between the operation switch and the display unit can be intuitively recognized through the operation of the finger, and the operation of each switch can be facilitated.

According to a third aspect of the present invention, there is provided a display device for a forklift having a plurality of operation switches for input operation by an operator and a plurality of display sections for displaying respective contents inputted by the respective switches. In a vehicle provided with an operation panel, each of the switches and each of the display units for displaying corresponding to each of the switches are set to have similar colors to each other, and are arranged close to the same row or the same row position. And

Therefore, the relationship between the operation switch and the display unit can be intuitively recognized by the color recognition, and at the same time, the relationship between the operation switch and the display unit can be intuitively recognized through the operation of the finger. Operation is easy.

According to a fourth aspect of the present invention, in the display device for a forklift, the operation switch includes a switch for inputting a charge reservation content of a battery mounted on the vehicle, and the display unit displays the charge reservation content input by the switch. It is characterized by including a display unit for displaying.

[0012] With this configuration, it is possible to easily perform the charging reservation operation that is frequently performed in a battery-type forklift.

According to a fifth aspect of the present invention, in the display device for a forklift, the display device is a liquid crystal display device.

Thus, a display device with relatively low power consumption can be provided.

[0015]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 14 shows a side view of a rechargeable battery type forklift to which the present invention is applied,
First, the overall configuration of the forklift 1 will be described with reference to FIG. The forklift 1 includes a vehicle body 2 and a cargo handling device 3, and a substantially L-shaped roof 7 serving as a head guard is provided at an upper portion of the vehicle body 2. In addition, a handle 10 and an operation lever 11 are provided at a front portion of the vehicle body 2.
An accelerator pedal 12 for accelerating is provided on the floor. A brake pedal 9 is provided beside the accelerator pedal 12.

Further, a rechargeable battery 5 is provided below the seat 4 at the rear of the vehicle body 2, and the rechargeable battery 5 is provided.
Thus, the power is supplied to the traveling motor 8 of the vehicle body 2 and the cargo handling motor 6 for driving the cargo handling device 3. The motors 6 and 8 use induction motors in the present embodiment.

A pair of left and right masts 13 of the cargo handling device 3 are provided.
A lift bracket 15 which is vertically moved by a lift cylinder 14 is provided on the front surface of the fork 16, and a fork 16 is fixed to the lift bracket 15. Also,
The lift bracket 15 and the fork 16 are tilted back and forth by a tilt cylinder 17.

At the front of the driver's seat of the forklift 1, there is provided a display for displaying the running speed, the remaining charge of the battery 5, the current date and time, the reserved state of the charge of the battery 5, and the like. FIG. 1A shows a display screen 22 of the display unit. In addition, four push buttons are provided below the display screen 22. From the left, a charge reservation button 23 for making a reservation for charging the battery 5, a mode switching button 24 for switching various modes, a numerical value and the like are provided. A down button 25 for correcting downward movement and an up button 26 for performing upward correction of numerical values and the like are arranged at predetermined intervals.

FIG. 13 is a block diagram according to the present invention. Signals from the operation buttons 23 to 26 are input to an input / output interface 31 of a control device 30 composed of a microcomputer or the like. These signals are input to a control unit 32 called a CPU, an MPU, or the like. The storage unit 33 including a ROM, a RAM, and the like stores programs and data for controlling the entire system. In response to the signals from the buttons 23 to 26, the controlled display signals are output to the display unit 21 via the input / output interface 34, and the display screen 22 of the display unit 21 is shown in FIG. 1 (a)
It is a screen shown in FIG. The display unit 21 is, for example, an LCD.
It is composed of

FIG. 2A shows the display screen 22 when the key is OFF, that is, when the power is turned off, and is in a blank state. FIG. 2B shows a key ON at the start of work such as at the start of work.
This indicates the time, that is, immediately after the power is turned on, and the symbol mark of the function set in the forklift 1 and the word “monitoring” are displayed. Then, after 0.5 to 1 second, the display changes to a display as shown in FIG. here,
The character "OK!" Is displayed to the right of the character "Monitoring", and two symbol marks 37 and 38, which are larger than the other symbol marks, blink on the right side of the display screen 22. I have.

That is, the symbol mark 37 on the left side is a symbol mark that means that an operation manual (not shown) describing the operation of the forklift 1 and various items is read before the operation. This instruction manual is stored in a pocket provided on the back of the seat 4, for example. Further, the symbol mark 38 on the right side is a symbol mark indicating that the user should fasten the seat belt. in this way,
Each time the key is turned on while sitting on the seat 4, the two symbol marks 37 and 38 of "reading the instruction manual" and "wearing the seat belt" are blinking and displayed at the same time. From the blinking display of these symbol marks 37 and 38,
The operator is always informed before the work is performed, so that the operator can be routinely educated about safe work. The number of times of flashing of the symbol marks 37 and 38 is, for example, three, but may be four or more.

The screen is switched to the screen shown in FIG. 2D two to three seconds after the display of the display screen 22 of FIG. 2C. The state of the display screen 22 in FIG. 2D is a basic screen, and this screen is displayed in a normal operation state.

As shown in FIGS. 2B and 2C,
Five kinds of abnormality detection / notification functions are set, the symbol mark 40 is a symbol mark for notifying an abnormality of the running relation, the symbol mark 41 is an abnormality of the hydraulic pressure relation, and the symbol mark 42 is a symbol mark of the steering relation. Abnormalities,
The symbol mark 43 indicates that the battery level is abnormal (liquid shortage).
When the brake oil is insufficient, the symbol mark 44 blinks to notify the operator of the abnormality. Also, when notifying the above-mentioned abnormality in the driving state, only the symbol mark corresponding to the abnormality blinks or lights up to notify the operator. The corresponding symbol marks 40 to 44 are displayed,
Thereafter, the screen is not displayed and the basic screen as shown in FIG. 2D is displayed.

FIG. 1A is the same screen as FIG. 2D, and is a basic screen in a normal operation state. Next, the configuration of the basic screen will be described. The display screen 22 is displayed in color, and a speed display section 46 for displaying a running speed is arranged in a bar graph shape. On the left side of the speed display section 46, a battery remaining amount display section 47 for displaying the remaining amount of the battery 5 is provided in a bar graph shape.
When the battery 5 is fully charged, the light is turned on up to the upper part of the battery remaining amount display section 47. However, the light is turned off from the top according to the remaining capacity as shown in FIG. Is reduced and the battery level indicator 47
As shown in FIG. 1 (c), at the same time as the part “2” disappears, the “E” which has been turned off lights up in red, and after 15 minutes the “E” flashes, indicating that the battery 5 is over-discharged. In order to prevent this, the power supply from the battery 5 is stopped.

A total display section 48 is provided below the speed display section 46, and switches between an hour meter for displaying the total operating time in total and a distance meter for displaying the mileage. Is available. In FIG. 1A, the total display unit 48 displays the total operation time in units of HR. Further, by switching the display of the total display unit 48, as shown in FIG. 1B, it is possible to display the traveling distance in km. Further, the parking brake display unit 49
When the parking brake is applied (the sensor is on), the light is turned on as shown in FIG. 1 (a), and when the parking brake is released (the sensor is off), the light is turned off as shown in FIG. 1 (b). It is supposed to.

At the lower part of the display screen 22, a charge reservation state display section 50 for displaying when to start charging the battery 5 is displayed.
And a current month / day / date display section 51 for displaying the current month, day, day of the week, time, and the like. Note that, in the example of FIG. 1, the date and time at which charging of the battery 5 is started is displayed as 10:00 pm on May 15 (CHG 5/15 PM 10:00) in the charging reservation state display unit 50. . The current month, day, date, and time are displayed on the current month, day, and time display unit 51 as 10:30 AM on Saturday, May 15 (Sat).

As shown in FIGS. 1 (b) to 1 (d), a traveling mode display section 52 is provided below the speed display section 46. When a turtle mark operation button (not shown) is pressed, As shown in FIG. 1B, a turtle mark indicating that the vehicle is traveling at a low speed and the set speed are displayed on the traveling mode display section 52. When the operation button for the rabbit mark (not shown) is pressed, a rabbit mark indicating high-speed running is displayed on the running mode display section 52 as shown in FIG. 1C. When the operation button for the turtle mark is pressed in this state, the display switches to the turtle mark and the set speed (see FIG. 1B). FIG. 1D shows a case where the high acceleration setting (AC mode) is displayed on the driving mode display section 52. In this case, when the operation button of the turtle mark is pressed, the display is switched to the turtle mark and the set speed. (See FIG. 1B).

Here, as shown in FIG. 1A, on the left side of the display screen 22, a battery remaining amount display section 47 and a charge reservation state display section 50 as functions related to charging the battery 5 are provided.
Are displayed in the up and down direction, and a charge reservation button 2 is provided below the charge reservation state display section 50.
Reference numeral 3 is arranged near the charging reservation state display unit 50. That is, the remaining battery level display section 47, the charging reservation state display section 50, and the charging reservation button 23 are arranged in the same row in a straight line, and the charging reservation button 23 is physically close to the charging reservation state display section 50. The charging reservation button 23 operated by the operator
Can be easily recognized. This eliminates the need to bother to issue an instruction manual when making a charging reservation and to search for the position of the charging reservation button 23 for charging reservation. In particular, the charging can be performed without completely understanding the instruction manual. The operation of the reservation is understood, and the operability is improved.

It should be noted that there are three colors: the color of the portion of the bar graph from "2" to "FULL" in the battery remaining amount display portion 47, the character color in the charge reservation state display portion 50, and the color of the charge reservation button 23. The colors are the same. This color is different from the other parts of the display screen 22 and the operation buttons 24 to 26, and is, for example, green. Any color may be used, but any color may be used as long as it is different from the colors of the screens and buttons of the other display units.

Next, a charging reservation method for the battery 5 will be described. In the present invention, in the rechargeable battery-type forklift 1, “operations to be performed next” are displayed on the display screen 22 at the time of operations such as setting and changing the charging start date and time, setting the maximum speed and acceleration feeling, and switching, which are frequently used. The "next button" is displayed in an easy-to-understand manner, and even if the user does not read the instruction manual and operates according to the display on the display screen 22 without needing the instruction manual, the necessary basic operations can be performed. I am trying to. Although described later in detail, a basic display method on the display screen 22 is as follows. The item to be set or changed is highlighted (or flashed). The symbol of the button to be operated blinks. This symbol mark has the same color and shape as the actual button so that it can be easily determined. Press the button to see what happens when you press the button. Instead of blinking the above-mentioned symbol mark, a symbol mark indicating that a button is pressed is displayed blinking (see FIG. 12 described later).

First, a charging reservation method will be described. In the basic screen shown in FIG.
When the button is pressed, a charge reservation screen shown in FIG. On this charge reservation screen, it is necessary to select whether the charge reservation is “specified month or day” or “every day”.
A down symbol mark 54 and an up symbol mark 55 having the same shape and color of the down button 25 and the up button 26 are displayed side by side between the display characters "and" everyday ". In the upper right part of the display screen 22, R
The R symbol mark 56 and the M symbol mark 57, which have the same shape and color as the charge reservation button 23 in which the character is written and the mode switching button 24 in which the character M is written, are displayed up and down.

The data currently reserved is shown below the "month and date designation". In this case, the reservation is made on "May 15 (Saturday).
PM 10:00 ”, and below the“ daily ”, the already set time“ P
M10: 00 "is displayed.

In the charge reservation screens shown in FIGS. 3 and 4, when the charge reservation button 23 is pressed, the screen is set to move to the next input, and when the mode switching button 24 is pressed, the screen returns to the previous screen. It has become. In FIG. 3A, an R symbol mark 56 explaining what happens when the charge reservation button 23 is pressed, and an M symbol mark 57 explaining what happens when the mode switching button 24 is pressed are both blinking. "Set" is displayed to the right of the symbol mark 56, and "Return" is displayed to the right of the M symbol mark 57.

Therefore, although the charge start designation is now "month and day designation" which is highlighted, the up symbol mark 55 is blinking, so when the up button 26 corresponding to the up symbol mark 55 is pressed, It can be easily understood that the charge start designation can be set to "every day". Also, R
Since the symbol mark 56 is blinking, it can be seen that when the charge reservation button 23 corresponding to the R symbol mark 56 is pressed, the state currently highlighted on the display screen 22 is "set". Since "57" is blinking, "return to the original" can be easily understood by pressing the mode switching button 24 corresponding to the M symbol mark 57. In other words, when the mode switching button 24 is pressed, FIG.
The screen returns to the basic screen shown in FIG.

When the user presses the charge reservation button 23 in order to make "month and day designation" highlighted on the display screen 22 shown in FIG. 3A, the screen shown in FIG. 3B is displayed. On this display screen 22, the month number of the month, for example, “5” is highlighted and the R symbol mark 56 and the M symbol mark 57 are blinking. Note that a down button 25 and an up button 2 are displayed on the display screen 22 shown in FIG.
Although the symbol mark corresponding to 6 is not displayed, the month value is decreased each time the down button 25 is pressed, and the month value is increased each time the up button 26 is pressed, so that the setting can be changed. It has become.

Since the M symbol mark 57 is blinking and "return" is displayed, pressing the mode switching button 24 returns to the previous screen (the screen in FIG. 3A). Since the R symbol mark 56 is blinking and “set” is displayed, pressing the charge reservation button 23 corresponding to the R symbol mark 56 sets “5” of the currently displayed month. Press the charge reservation button 23 to set it,
The screen shown in FIG. 3C is displayed, and the date is set this time. The date can be set arbitrarily with the down button 25 and the up button 26, and the day of the week changes in conjunction with the day. Also on this display screen 22, pressing the mode switching button 24 returns to the previous screen (the screen of FIG. 3B), and pressing the charge reservation button 23 sets the displayed state, and FIG. The screen changes to the screen shown in d).

In FIG. 3D, the previously set "PM"
Is highlighted and the setting for morning or afternoon is made. AM / PM can be switched with the down button 25 and the up button 26, and when PM is set, "PM" is set by pressing the charge reservation button 23 corresponding to the R symbol mark 56. become.

When the charge reservation button 23 is pressed in FIG. 3D, a screen shown in FIG. 4A is displayed.
The hour “10” is displayed in reverse video, and it can be seen that the time “hour” can be set. The numerical value can be set to an arbitrary numerical value with the down button 25 and the up button 26. Since the R symbol mark 56 and the down symbol mark 54 are blinking, pressing the mode switching button 24 returns to the previous screen. By pressing the charge reservation button 23, the currently displayed numerical value is set.

On the screen shown in FIG.
When the button is pressed, the screen changes to the screen shown in FIG. 4B, and the "minute" portion of the time is highlighted, indicating that the minute is set. Here, the numerical value of the minute can be changed with the down button 25 and the up button 26, and may be changed by one minute each time the button is pressed. However, here, for example, each time the button is pressed once, the value is changed in increments of 15 minutes. I have to. Since it is set to just 10:00 pm, the charge reservation button 2 is displayed in this state.
Pressing 3 sets the charging to start at 10:00 pm.

When the charge reservation button 23 is pressed in the state of FIG. 4B, the screen changes to the screen shown in FIG.
The character "SET COMPLETE" blinks, for example, three times in the lower right corner of the screen and returns to the basic screen shown in FIG. In this charging reservation method, the date and time of charging start are set to “May 15 (Saturday).
Since PM is set to “10:00”, the charging reservation state display section 50 of the display screen 22 shown in FIG.
/ 15 PM 10:00 ". This is because it happened to be the same as the previously reserved data, and it is natural that it changes according to the setting.

By the way, in the screen of FIG. 3A, when the charge start designation is changed from "month and day designation" to "every day", the up symbol mark 55 corresponding to the up button 26 is blinking. By pressing the up button 26, "every day" can be set. Then, when the up button 26 is pressed, as shown in FIG. 5 (a), the character "everyday" is highlighted, indicating that the setting is possible. Since the down symbol mark 54 corresponding to the down button 25 is blinking, the down button 25
By pressing, "month / day designation" can be set.

As shown in FIG. 5A, since the R symbol mark 56 indicating "SET" is blinking, the charge reservation button 2 corresponding to the R symbol mark 56 is displayed.
Press 3 to display the “daily” status displayed on the screen.
Is set (set). Further, since the M symbol mark 57 on which the character “Return” is displayed is blinking, when the mode switching button 24 corresponding to the M symbol mark 57 is pressed, the basic symbol shown in FIG. You will return to the screen.

Then, in FIG.
When is pressed, the screen changes to the screen shown in FIG. 5B, and a setting screen for morning or afternoon is displayed. Here, the “PM” portion is highlighted and the down button 25 or the up button 26
To switch between AM and PM. If the mode switching button 24 corresponding to the flashing M symbol mark 57 is pressed, the screen returns to the previous screen of FIG. 5A, and the charging reservation button 23 corresponding to the flashing R symbol mark 56 is pressed. For example, the currently displayed “PM” is set, and the screen changes to the screen in FIG.

On the screen shown in FIG. 5C, the "10" portion of the "hour" of the time is displayed in reverse video, which indicates that the "hour" is set. On this screen, the user changes the numerical value with the down button 25 and the up button 26, and if the numerical value is acceptable, presses the charge reservation button 23 to set "hour". When the mode switching button 24 is pressed, the screen returns to the previous screen of FIG. 5B.

When the charge reservation button 23 is pressed in FIG. 5C, the screen changes to that shown in FIG. 5D, and the "minute" portion of the time is highlighted. Also on this screen, the minute button is set using the down button 25 and the up button 26. Down button 2
5 or the up button 26 may be changed by one minute each time the push operation is performed.
It is variable every 5 minutes. On the screen shown in FIG. 5D, when the mode switching button 24 corresponding to the M symbol mark 57 is pressed, the screen returns to the previous screen of FIG. 5C.

In the screen shown in FIG. 5D, when the user sets the "minute" by pressing the charge reservation button 23, the screen changes to the screen shown in FIG. 6, and after "SET COMPLETE" flashes, for example, three times, the screen shown in FIG. The screen returns to the basic screen shown in FIG. The time set as described above is displayed on the charging reservation state display unit 50 shown in FIG.

FIG. 7 shows a case in which data is confirmed. FIG. 7A shows a basic screen and a total display section 48.
Indicates the total operating time HR (hour meter).
When the down button 25 or the up button 26 is pressed in the state of the basic screen, the state shown in FIG.
The screen shown in (c) is displayed, and the screen returns to the original screen (the basic screen in FIG. 7A). Also, if any other operation such as a driving operation, a hydraulic operation, a steering operation, or another operation button is pressed even within 5 seconds, FIG.
It returns to the basic screen of (a). FIG. 7 (a)
Indicates the total operating time HR, so the down button 2
5 or the up button 26 is pressed, the total display section 48 displays the same total operating time HR as the basic screen, and the running distance (TRAVEL) not displayed on the basic screen.
12345km), running time (TRAVEL 567)
8.9 HR), hydraulic operating time (HYDRAU 234)
5.6 HR) to confirm the current data.

In the basic screen, the total display section 4
When the number 8 indicates the mileage, the down button 2
When the 5 or up button 26 is pressed, the screen shown in FIG. 7B changes, and the total operating time (98765.4 HR) and the running time (TRAVEL) which are not displayed on the basic screen are displayed.
5678.9 HR), hydraulic operation time (HYDRAU2)
345.6HR), and the current data can be confirmed. Here, in the screen display of the data confirmation, as shown in FIGS. 7B and 7C, the contents (the mileage display,
Or the total operation time) and the contents of the battery remaining amount display section 47 are displayed as they are. This is for confirming the necessity in the traveling operation on the actual screen.

Next, a method of setting the driving mode will be described with reference to FIGS. FIG. 8A shows a basic screen. When the mode switching button 24 is pressed, the screen changes to the screen shown in FIG. 8B. On this screen, you can set the speed, high speed (HIGH SPE
The travel mode such as ED), low speed (STD), and high acceleration (HIGH ACCEL), and whether to display the travel distance or the total operating time on the total display unit 48 are set. In FIG. 8B,
The speed numerical value “8”, the running mode “STD”, and the total operating time “HR” are highlighted, indicating that these can be set. FIG. 8B shows a case where the low speed is set. Since the numerical value portion of the speed is blinking, it can be understood that the setting of this portion is performed first.

The numerical value of the speed can be increased or decreased by using the down button 25 and the up button 26. For example, when the up button 26 is pressed twice, FIG.
The speed can be changed to 10 km as shown in FIG. FIG.
When the down button 25 is pressed twice from the state shown in FIG. 8A, the speed becomes 8 km, and the screen shown in FIG. Then, by pressing the mode switching button 24 in the state shown in FIG. 8B, the speed can be set, and the screen changes to the screen shown in FIG. 8C.

In FIG. 8 (c), a down symbol mark 54 and an up symbol mark 55 are blinking on both sides of the highlighted "STD". You can select either acceleration setting. For example, when the down button 25 corresponding to the down symbol mark 54 is pressed to set the high-speed setting, as shown in FIG.
The character "D" is displayed in reverse video, and at the same time, the display is switched from the down symbol mark 54 to the up symbol mark 55 and blinks. In the state shown in FIG. 9B, when setting the low speed from the high speed setting side, the user presses the up button 26 corresponding to the blinking up symbol mark 55, and the state shown in FIG. As shown, the character "STD" on the low speed setting side is highlighted, and the down symbol mark 54 and the up symbol mark 55 on both sides are displayed.
And blink on and off.

When the mode switch button 24 is pressed in the state shown in FIG. 8C, the screen changes to a screen for selecting whether to display the total operation time or the traveling distance as shown in FIG. 8D. At present, the character "HR" indicating the display of the total operating time is highlighted, and the up symbol mark 55 blinks to indicate that the setting can be made on the traveling distance side. When the up button 26 corresponding to the up symbol mark 55 is pressed, the reverse display is changed to the "km" side indicating the traveling distance, and at the same time, the display is switched to the down symbol mark 54 and blinks.

In the state shown in FIG.
By pressing, the entire contents set on the screen shown in FIG. 8D are set, and the screen returns to the basic screen shown in FIG. 8A.

Next, a method of correcting the date and time will be described. In the above basic screen, the mode switching button 24
For example, if the button is pressed for 3 seconds or more, the screen changes to the correction screen shown in FIG. In this state, “time” or “date” can be selected. In this example, the characters “time” are highlighted and the up symbol mark 55 flashes to indicate “date”.
This indicates that you can select the side. In addition, the M symbol mark 57 blinks, and the character “SET” is displayed beside the M symbol mark 57. By pressing the mode switching button 24 corresponding to the M symbol mark 57, the M symbol mark 57 is set to the highlighted side. You can see that.

When the up button 26 corresponding to the up symbol mark 55 is pressed in the state shown in FIG. 10 (a), the screen changes to the screen shown in FIG. 11 (a). The down symbol mark 54 is blinking so that the time can be selected. When the mode switching button 24 is pressed on the screen of FIG. 10A, the correction of “time” is set at the same time as shown in FIG.
The display is to select morning or afternoon. Here, "A
The letter "M" is highlighted and the user can select "AM" or "PM" by pressing the down button 25 or the up button 26.

When the mode switching button 24 corresponding to the M symbol mark 57 indicating "SET" is pressed on the screen of FIG. 10B to correct or set the mode to "AM", the screen of FIG. change. On this screen, the hour of the time is displayed in reverse video, and the time is appropriately corrected with the down button 25 or the up button 26. Then, when the mode switching button 24 is pressed in the same manner as described above, the screen changes to the screen shown in FIG. 10D, the "minute" of the time is highlighted, and the minute is corrected by the up button 26 or the down button 25. When the mode switching button 24 is pressed after the correction, the mode is set, and FIG.
The screen changes to the screen shown in (d), and the text of "Set Complete"
After blinking twice, return to the basic screen. This completes the correction or setting of the time.

When the mode switching button 24 is kept pressed for three seconds or more from the basic screen, the correction screen shown in FIG. 10A is displayed, and the up button 26 corresponding to the blinking up symbol mark 55 is pressed, and the correction screen shown in FIG. Change to the date adjustment screen shown in (). On this screen, when the mode switching button 24 corresponding to the blinking M symbol mark 57 is pressed,
The screen changes to the screen shown in FIG. 11B, the “month” portion is highlighted, and the numerical value is corrected using the up button 26 or the down button 25.

When the mode switch button 24 is pressed in this state, the screen changes to the screen shown in FIG. 11C, and the "day" portion and the "day of the week" portion are displayed in reverse video, indicating that correction is possible. The numerical value of the day is corrected by pressing the up button 26 or the down button 25, but the day of the week changes in synchronization with the date. When the mode switching button 24 corresponding to the blinking M symbol mark 57 is pressed on the screen shown in FIG. 11C, the screen changes to the screen shown in FIG.
The display returns to the basic screen after the character "SET COMPLETE" flashes three times. This completes the correction or setting of the date.

In the above embodiment, for example, items to be set / changed such as "month / day designation" and "daily" in the charge start designation are displayed in reverse video. You may do it. In the above description, the actual operation buttons 23 to 26 and the symbol marks 54 to 57 in which the operation buttons 23 to 26 are symbol-marked have the same shape and color, but only the shape is the same. Alternatively, only the colors may be the same.

By the way, in the above embodiment, the symbol mark of the button to be operated is blinked. For example, as shown in FIG.
7 is blinked, and the charge reservation button 23 and the mode switching button 24 corresponding to this symbol mark are pressed,
"Set" or "Return" was displayed. In FIG. 12, instead of blinking the R symbol mark 56 or the M symbol mark 57, a finger point symbol mark 60 indicating that a button is pressed may be displayed and blinked.

FIG. 15 shows another arrangement of the charge reservation button 23. The charge reservation button 23 is located on the left side of the charge reservation state display section 50 on the display screen 22 so as to be close to the charge reservation state display section 50. It is arranged. Also, the color of the charge reservation button 23 is the same color, for example, green, as in the previous embodiment, to facilitate the operation of the operator.

The speed display section 46 and the remaining battery level display section 47 are displayed vertically, and a charging reservation state display section 50 and a charging reservation button 23 are provided beside the remaining battery level display section 47 in the horizontal direction. Alternatively, they may be arranged in a straight line. Also in this case, the same color is used as in the previous embodiment.

[0063]

According to the vehicle display device of the first aspect of the present invention, the relationship between the operation switch and the display unit can be intuitively recognized by the color recognition, and the operation of each switch can be facilitated.

According to the vehicle display device of the second aspect, the relationship between the operation switch and the display unit can be intuitively recognized through the operation of the finger, and the operation of each switch can be facilitated.

According to the display device for a vehicle according to the third aspect, the relationship between the operation switch and the display unit can be intuitively recognized by the color recognition, and at the same time, the relationship between the operation switch and the display unit can be recognized by the finger. Since the user can intuitively understand the operation, the operation of each switch can be facilitated.

According to the vehicle display device of the present invention, the charging reservation operation frequently performed with a battery-type forklift can be easily performed.

According to the display device for a vehicle according to the fifth aspect, a display device with relatively low power consumption can be provided.

[Brief description of the drawings]

FIG. 1 is a diagram of a display screen showing a basic screen and various traveling modes according to an embodiment of the present invention.

FIG. 2 is a diagram of a display screen in a key-on state to a key-on state according to the embodiment of the present invention.

FIG. 3 is a diagram of a display screen when a charge reservation is made according to the embodiment of the present invention.

FIG. 4 is a diagram of a display screen when a charge reservation is made according to the embodiment of the present invention.

FIG. 5 is a diagram of a display screen when a charge reservation is made according to the embodiment of the present invention.

FIG. 6 is a diagram of a display screen when the setting of the charging reservation according to the embodiment of the present invention is completed.

FIG. 7 is a diagram of a display screen when performing data confirmation according to the embodiment of the present invention.

FIG. 8 is a diagram of a display screen when a traveling mode according to the embodiment of the present invention is set.

FIG. 9 is a diagram of a display screen when a traveling mode is set according to the embodiment of the present invention.

FIG. 10 is a diagram of a display screen when time is set according to the embodiment of the present invention.

FIG. 11 is a diagram of a display screen when a date is set according to the embodiment of the present invention.

FIG. 12 is a diagram of a display screen showing another example of blinking a symbol mark according to the embodiment of the present invention.

FIG. 13 is a block diagram of an embodiment of the present invention.

FIG. 14 is a side view of the forklift according to the embodiment of the present invention.

FIG. 15 is a diagram showing another example in which a charge reservation button according to the embodiment of the present invention is provided.

[Explanation of symbols]

 22 display screen 23 charge reservation button 24 mode switching button 25 down button 26 up button 46 speed display part 47 battery remaining amount display part 48 total display part 49 parking brake display part 50 charge reservation state display part 51 present month / date / date display part 52 Running mode display

Claims (5)

[Claims] 1. A vehicle equipped with a plurality of operation switches for an operator to perform an input operation and a display device having a plurality of display units for displaying respective contents inputted by the respective switches on an operation panel. The display device for a vehicle according to any one of claims 1 to 3, wherein each of the switches and each of the display units that perform display corresponding to each of the switches are set to colors similar to each other. 2. A vehicle comprising a plurality of operation switches for an operator to perform an input operation, and a display device having a plurality of display units for displaying individual contents inputted by the respective switches on an operation panel. , A display device for a vehicle, wherein the switches and the display units that perform display corresponding to the switches are arranged close to each other in the same row or the same column. 3. A vehicle provided with a plurality of operation switches for an operator to perform an input operation and a display device having a plurality of display units for displaying respective contents inputted by the respective switches on an operation panel. , A display device for a vehicle, wherein each of the switches and each of the display units for displaying corresponding to each of the switches are set to have similar colors, and are arranged in the same row or in the same column. 4. The operation switch includes a switch for inputting a charge reservation content of a battery mounted on the vehicle,
3. The display device according to claim 1, wherein the display unit includes a display unit that displays a charge reservation content input by the switch.
4. The display device for a vehicle according to any one of claims 3 to 3. 5. The vehicle display device according to claim 1, wherein said display device is a liquid crystal display device.