JP6972779B2 - Display device for vehicles - Google Patents

Description

The present invention relates to a display device mounted on a vehicle.

Vehicles such as automobiles and motorcycles are equipped with pointer-type instruments such as speedometers and display devices equipped with a liquid crystal display device that digitally displays necessary information. For example, in an electric vehicle or a hybrid vehicle that travels by using the power of an electric motor, the display device is a state of power (power state) when the electric motor uses electric power to drive the vehicle, and an electric motor by a regenerative brake. Is designed to continuously indicate the state of power generation (power generation state) when the motor is operating as a generator to generate power (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2011-213311

The display device provided in the above-mentioned electric vehicle or hybrid vehicle also indicates the state of the remaining battery level. However, in the conventional display device, the display of the remaining battery level, the power state, and the power generation are used to intuitively recognize whether the battery is in a charged state or a discharged state. There was room for improvement in relation to the status display.

The present invention has been made in consideration of such circumstances, and an object of the present invention is to provide a vehicle display device capable of intuitively recognizing the charge / discharge state of a battery.

The vehicle display device according to the present invention is provided for a vehicle provided in a vehicle provided with an electric motor for driving the vehicle with the power of a battery and generating electric power for charging the battery by a regenerative brake in order to solve the above-mentioned problems. A display device, a power state display unit that indicates the value of the power state of the motor when the motor is traveling the vehicle in a range of a minimum value to a maximum value, and the motor generates electric power. A power generation state display unit that shows the value of the power generation state of the motor in the range of the minimum value to the maximum value, and a remaining amount status display unit that shows the value of the remaining amount state of the battery in the range of the minimum value to the maximum value.
A guideline for instructing the value of the power state or the value of the power generation state is provided, and the minimum value of the power state display unit and the minimum value of the power generation state display unit are continuously arranged. The maximum value of the power generation state display unit and the minimum value of the remaining amount state display unit are continuously arranged.
Further, when the pointer indicates the value of the power state, the flow in the direction from the remaining amount state display unit to the power generation state display unit is shown, and the pointer indicates the value of the power generation state. In some cases, it is further provided with a discharge / charge direction display unit that indicates a flow in the direction from the power generation status display unit to the remaining charge status display unit.
The discharge / charge direction display unit is provided so as to be superimposed on the remaining amount status display unit.

In the vehicle display device according to the present invention, the discharge / charge state of the battery can be intuitively recognized.

The block diagram which shows one Embodiment of the display device for a vehicle which concerns on this invention. Explanatory drawing which shows the display example of a display. Explanatory drawing which shows other display example of a display. Explanatory drawing which shows still another display example of a display.

An embodiment of the vehicle display device according to the present invention will be described with reference to the accompanying drawings. The vehicle display device according to the present invention is mounted on a vehicle provided with an electric motor for driving the vehicle with the power of the battery and generating electric power for charging the battery by the regenerative brake. For example, a vehicle display device is mounted on an electric vehicle that travels by using the power of an electric motor, or a hybrid vehicle that travels by using the power of an internal combustion engine that uses a fuel consisting of an electric motor and gasoline. In the present embodiment, an embodiment in which the vehicle display device according to the present invention is applied as a vehicle display device for an electric vehicle will be described with reference to the accompanying drawings.

FIG. 1 is a block diagram showing an embodiment of a vehicle display device according to the present invention.

The vehicle display device 1 (display device 1) includes a display device 2, an input device 3, and a display control device 4.

The display 2 is a vehicle such as a vehicle speed and a mileage, a power state of the motor when the motor is running the vehicle, a power generation state of the motor when the motor is generating electric power, a remaining battery level, and an alarm. Information about the above is displayed based on the control signal from the display control device 4. The display 2 has a display panel 10 and a pointer-type display unit 11. The display panel 10 is a liquid crystal display panel provided with a backlight 14 made of a light source such as a light emitting diode, which switches between transmission and non-transmission to form a display image. The pointer-type display unit 11 (mechanical display unit) indicates an index such as a scale or a numerical value displayed on the display board 13 by a pointer 12 (FIG. 2) that rotates around the pointer axis.

The input device 3 is a trip switch for switching and displaying the integrated mileage, the section mileage, and the like displayed by the display device 1. The input device 3 outputs, for example, an operation signal input by a user's pressing operation to the display control device 4.

The display control device 4 is a microprocessor, a microcontroller, an integrated circuit, or the like, and executes a predetermined process. Further, the display control device 4 is a RAM (Random Access Memory), a ROM (Read Only Memory), a non-volatile memory, or the like, and has a storage unit 15 for storing programs and data. Further, the display control device 4 communicates with the battery control device 21, the main switch unit 22, other ECU (Electronic Control Unit) 23, etc. via the CAN (Controller Area Network) bus 20, and from each unit to various sensors. Enter the vehicle information based on. The display control device 4 activates the display 2 when the main switch (start switch) of the main switch unit 22 is turned on. After that, the display control device 4 controls the display 2 by generating and outputting a control signal based on the obtained signal and information. In the present embodiment, the display control device 4 is particularly based on the remaining battery level (storage amount) transmitted from the battery control device 21, the generator drive power transmitted from the corresponding ECU 23, the battery current value, and the like. , Control the display 2.

Such a display device 1 in the present embodiment provides information on the power state of the motor when the motor is running the vehicle, the power generation state of the motor when the motor is generating electric power, and the remaining battery level. Through this, the discharge / charge state of the battery can be intuitively recognized. Hereinafter, a specific description will be given.

FIG. 2 is an explanatory diagram showing a display example of the display device 2.

The display device 1 includes a power status display unit 30, a power generation status display unit 40, a remaining amount status display unit 50, and a discharge / charge direction display unit 60. The power status display unit 30, the power generation status display unit 40, and the remaining amount status display unit 50 are arranged along the same circumference. The power status display unit 30 and the power generation status display unit 40 are, for example, a pointer-type display unit 11 in which the display plate 13 is realized by the display panel 10. The remaining amount status display unit 50 and the discharge / charge direction display unit 60 are realized by, for example, the display panel 10.

The power state display unit 30 indicates the value of the power state of the electric motor when the electric motor is traveling the vehicle in the range of the minimum value to the maximum value. The power state is, for example, the degree of output power from the battery to the generator. The power status display unit 30 has a numerical value 31 represented by a minimum value of 0% and a maximum value of 100%, and a predetermined number (11 in FIG. 2) engraved on the circumference corresponding to these numerical values. 32 and. The numerical value 31a 0 and the scale 32a indicate the minimum value, and the numerical value 31b 100 and the scale 32b indicate the maximum value. The value of the power state is indicated by the pointer 12 indicating the numerical value 31 and the scale 32 provided on the circumference.

The power generation state display unit 40 indicates the value of the power generation state of the motor when the motor is generating electric power in the range of the minimum value to the maximum value. The power generation state is, for example, the degree of power generation generated by a regenerative brake or the like. The power generation state display unit 40 has a scale 42 on the circumference in which a predetermined number (6 in FIG. 2) is engraved from the minimum value to the maximum value. The scale 42a indicates the minimum value, and the scale 42b indicates the maximum value. The value of the power generation state is indicated by the pointer 12 indicating the scale 42. In the present embodiment, the scale 42a is a scale common to the scale 32a showing the minimum value of the power state display unit 30.

The remaining amount status display unit 50 indicates the value of the remaining amount state of the battery in the range of the minimum value to the maximum value. The remaining amount status display unit 50 has a symbol 53a indicating that the battery is full as E (Empty), a symbol 53b indicating that the battery is full as F (Full), and the symbols 53a and 53b. It has a scale 52 on the circumference engraved with a predetermined number (7 in FIG. 2) corresponding to the above. The symbol 53a E and the scale 52a indicate the minimum value, and the symbol 53b F and the scale 52b indicate the maximum value. The value of the remaining amount state is indicated by the length of the bar 54 starting from E, which is the symbol 53a, and ending at the scale 52 corresponding to the remaining amount of the battery.

The minimum value of the power state display unit 30 and the minimum value of the power generation state display unit 40 are arranged continuously. That is, the numerical value 31a and the scale 32a side of the power state display unit 30 and the scale 42a side of the power generation state display unit 40 are continuously arranged. Thereby, the value of the power state and the value of the power generation state are continuously indicated by one guideline 12.

Further, the maximum value of the power generation state display unit 40 and the minimum value of the remaining amount state display unit 50 are arranged continuously. That is, the scale 42b side of the power generation status display unit 40 and the symbol 53a and the scale 52a side of the remaining amount status display unit 50 are continuously arranged.

The discharge / charge direction display unit 60 indicates the flow in the direction (discharge direction) from the remaining amount status display unit 50 to the power generation status display unit 40 when the pointer 12 indicates the value of the power state, and the pointer 12 indicates the flow. When the value of the power generation state is instructed, the flow in the direction (charging direction) from the power generation state display unit 40 to the remaining amount status display unit 50 is shown. The discharge / charge direction display unit 60 is provided between the scale 42b side of the power generation status display unit 40 and the symbol 53a and the scale 52a side of the remaining amount status display unit 50. The discharge / charge direction display unit 60 indicates the discharge direction and the charge direction by, for example, illuminating the arrow 61 indicating the direction of the flow and the arrow 61 sequentially with the light emitting diode along the direction of the arrow 61.

In the display device 1 according to the present embodiment, since the maximum value of the power generation status display unit 40 and the minimum value of the remaining amount status display unit 50 are continuously arranged and adjacent to each other, the pointer 12 is in the power generation state. When the display unit 40 is instructed, it is possible to visually recognize that the battery is charged with electric power. Further, since the display device 1 has a discharge / charge direction display unit 60, when the pointer 12 indicates the power status display unit 30, the battery is discharged, and the pointer 12 displays the power generation status display unit 40. When instructed, it is possible to more intuitively recognize that the battery is charging.

Although some embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other embodiments, and various omissions, replacements, and changes can be made without departing from the gist of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are also included in the scope of the invention described in the claims and the equivalent scope thereof.

For example, the power state display unit 30, the power generation state display unit 40, and the remaining amount state display unit 50 may all be realized by the pointer type display unit 11 or may be realized by the display panel 10.

Further, if the power status display unit 30 and the power generation status display unit 40 can be instructed by the common pointer 12, the scales 32a and 42a indicating the minimum value of the power status display unit 30 and the minimum value of the power generation status display unit 40 are common. It does not have to be a scale, and there may be a space between the display units 40 and 50.

Further, the discharge / charge direction display unit 60 may be omitted. In that case, the power generation status display unit 40 and the remaining amount status display unit 50 may be arranged so that the maximum value of the power generation status display unit 40 and the minimum value of the remaining amount status display unit 50 are adjacent to each other. There may be a space between 30 and 40.

Furthermore, the discharge / charge direction display unit 60 may be provided so as to be superimposed on the remaining amount status display unit 50. FIG. 3 is an explanatory diagram showing another display example of the display 2. Even when the discharge / charge direction display unit 60 is provided so as to be superimposed on the remaining amount status display unit 50, the display device 1 can exert the same effect as that of the above-described aspect of FIG. Further, as shown in FIG. 3, the discharge direction and the charge direction may be indicated by the symbol 62 whose dimensions are gradually increased from the upstream to the downstream of the flow. Also in this case, it is preferable to sequentially illuminate the symbol 62 with the light emitting diode along the direction of the flow.

Furthermore, the remaining amount status display unit 50 does not need to be arranged along the same circumference as long as it can be visually recognized as being continuous with the power generation status display unit 40. FIG. 4 is an explanatory diagram showing still another display example of the display 2. For example, as shown in FIG. 4, the remaining amount status display unit 50 is continuously arranged with the power generation status display unit 40, and may be provided at an arbitrary position as long as it is adjacent to the power generation status display unit 40, or may be provided linearly. You may. Further, the power state display unit 30 and the power generation state display unit 40 may be provided linearly, and the pointer 12 may be linearly moved.

1 Vehicle display device (display device)
2 Display 3 Input device 4 Display control device 10 Display panel 11 Pointer type display unit 12 Pointer 13 Display board 14 Backlight 15 Storage unit 20 CAN bus 21 Battery control device 22 Main switch unit 23 ECU
30 Power status display unit 31, 31a, 31b Numerical values 32, 32a, 32b, 42, 42a, 42b, 52, 52a, 52b Scale 40 Power generation status display unit 50 Remaining capacity status display unit 53a, 53b Symbol 54 Bar 60 Discharging direction Display 61 Arrow 62 Symbol

Claims (5)

A vehicle display device provided in a vehicle provided with an electric motor for driving a vehicle with the power of a battery and generating electric power for charging the battery by a regenerative brake.
A power state display unit that indicates the value of the power state of the motor when the motor is traveling the vehicle in the range of the minimum value to the maximum value, and
A power generation state display unit that shows the value of the power generation state of the motor when the motor is generating electric power in the range of the minimum value to the maximum value, and
A remaining battery level display unit that indicates the remaining battery level value in the range from the minimum value to the maximum value, and the remaining battery level display unit.
A guideline for indicating the value of the power state or the value of the power generation state is provided.
The minimum value of the power state display unit and the minimum value of the power generation state display unit are continuously arranged.
The maximum value of the power generation status display unit and the minimum value of the remaining amount status display unit are continuously arranged .
When the pointer indicates the value of the power state, the flow in the direction from the remaining amount status display unit to the power generation status display unit is shown, and when the pointer indicates the value of the power generation state. Further, a discharge / charge direction display unit showing a flow in the direction from the power generation status display unit to the remaining amount status display unit is further provided.
The discharge / charge direction display unit is a vehicle display device provided so as to be superimposed on the remaining amount status display unit. The vehicle display device according to claim 1, wherein the discharge / charge direction display unit is composed of a plurality of symbols whose dimensions are gradually increased from upstream to downstream of the flow. The vehicle display device according to claim 2, wherein the discharge / charge direction display unit emits light of the plurality of symbols sequentially along the flow. The vehicle display device according to any one of claims 1 to 3, wherein the maximum value of the power status display unit and the maximum value of the remaining amount status display unit are continuously arranged. The vehicle display device according to claim 4, wherein the power status display unit, the power generation status display unit, and the remaining amount status display unit are arranged along the same circumference.

Images