JPH0716966Y2 - Vehicle position display and obstacle display device - Google Patents

Description

TECHNICAL FIELD The present invention relates to a route display and obstacle display device for a vehicle such as a motor vehicle (hereinafter referred to as an automobile).

2. Description of the Related Art A route display, that is, a vehicle position display device, which displays a traveling position of a vehicle together with a map of a surrounding area, which is called a gyro locator, is already known. An obstacle display device that displays an obstacle around a vehicle by a radar is also known.

The vehicle position display and the obstacle display do not have to be performed at the same time for the driver, and the route display displays the location of the vehicle to provide driving guidance in a relatively long cycle. It provides driving guidance in a relatively short cycle at each instant.

SUMMARY OF THE INVENTION The present invention has been made from the above viewpoint, and provides a vehicle position display and an obstacle display device capable of providing more appropriate driving guidance information by associating a vehicle position display with an obstacle display. With the goal.

The vehicle route display and obstacle display device according to the present invention is designed so that when the route display screen enlargement command is given, the route display screen is sequentially enlarged and the screen is automatically switched to the obstacle display when the maximum enlargement ratio is reached. .

Embodiments Embodiments of the present invention will be described below with reference to the accompanying drawings.

1 and 2 show the whole of a vehicle according to the present invention,
FIG. 3 shows the cross section of the vehicle in the vicinity of the center in the lateral direction by hatching. In the illustrated vehicle, the vehicle body 3 is carried by a pair of front wheels 1a, 1b and a pair of rear wheels 2a, 2b. The shape of the vehicle body 3 is such that the front upper surface inclines forward, and the central part rises rearward leaving the side portions near the rear wheels on the rear bottom surface and hanging parts 3a, 3b near the rear wheels 2a, 2b. Is formed so that In particular, as is apparent from FIG. 3, the vertical front-rear direction (hereinafter referred to as vertical direction) cross section of the center of the vehicle body has a wing shape, and it is preferable that the length of the lower surface of the wing shape along the vertical direction is that of the upper surface. The length of the vehicle body is set longer than that of the vehicle body so that the downward lift force acts on the vehicle body while the vehicle is traveling. The cross-sectional shape of the inner wall surfaces of the hanging parts 3a, 3b along the lateral direction of the vehicle is curved in a concave shape to promote the formation of a wind tunnel in the air flow path defined by the hanging parts 3a, 3b. Further, a concave portion 4 which is opened in a substantially elliptical shape is provided from the vicinity of the front end portion of the vehicle body 3 to a slightly rear portion of the central portion thereof, and a transparent substantially spherical cover 5 is detachably or openably and closably provided on the opening surface. A vehicle compartment is formed together with the recess 4. The front of the left and right side portions of the vehicle body 3 can be opened and closed, for example, as doors 6a and 6b, and only the front portion of the cover 5 can be opened and closed back and forth by a front hinge (not shown). In front of the concave portion 4, a display 7 for displaying various information described later is installed. In addition, a pair of seats 8a, 8 facing forward
b is provided so as to sandwich the center console 9. At the center of the center console 9, there is provided an operation panel, that is, a keyboard 10 in which operation button groups are intensively arranged. In addition, armrest recesses 13a and 13b are formed in inner panels 12a and 12b that are integrally joined to so-called outer panels 11a and 11b that form the outer side surface of the vehicle body 3 to form a vehicle interior wall. On the bottom surfaces of the armrest recesses 13a, 13b, operating rods 14a, 14b, which should also be called active control sticks, are installed upright. Operating rod 14a, 14b
As the commands given to the automobile by the occupant, various commands such as forward or backward commands, acceleration or deceleration commands, left or right turning commands and ramp control commands are issued as shown in FIG. Is made possible. The operating rods 14a, 14b are provided with a large number of pressure-sensitive sensors around the fixing member to detect the pressing force applied by the occupant's hand and issue various control commands as described above by an electric signal to a steering mechanism (not shown) or an engine described later. It is possible to control the driving of the vehicle by controlling the above. Although the control rods 14a and 14b are provided on the left and right sides so as to be respectively controlled by two occupants, it is conceivable that only the right control rod 14b is used and the control rod 14a is deleted. The front wheels 1a and 1b may be a single front wheel. It is also possible that the sheets 8a and 8b are a single sheet.

FIG. 7 shows a cross section when the central portion of the vehicle body 3 is laterally cut. As is clear from this figure, sheets 8a and 8b
The cushion parts 8aa, 8bb of the inner panel 12a, 1bb are formed as usual, but the inner panels 12a, 1b close to the cushion parts 8aa, 8bb are formed.
The lower portion of 2b protrudes inward, that is, toward the center of the vehicle to form a substantially continuous curved surface on the upper surfaces of the seat portions 8aa, 8bb, and the inner panels 12a, 12b and the seat portions 8aa, 8bb cooperate with each other. The occupant is firmly supported and the occupant is stably supported. Furthermore, the upper surface of the center console 9 also has a seat portion 8aa,
A substantially continuous curved surface is formed on the upper surface of 8bb, and the inner panel 12a, the seat portion 8aa, the center console 9, the seat portion 8bb, and the inner panel 12b as a whole have two seats 8a.
By forming a and 8b, the occupant can have a sense of unity with the vehicle.

FIG. 8 is a partially enlarged view of the rear portion of the vehicle body 3, and the inner portion of the lower end of the hanging portion 3a projects inward, that is, toward the vehicle center line to form an inner protrusion 3aa. The hanging part 3b has a similar shape, although not shown. With such a shape, the wind tunnel at the bottom of the vehicle body 3 defined by the hanging parts 3a and 3b has a larger chimney effect, and the flow velocity of the air flow passing through the wind tunnel becomes higher, so that The downward lift is greater and the running stability is improved.

Next, as is apparent from FIG. 1, in the illustrated vehicle, the rear wheels 2a, 2b are driven to drive the rear wheels 2a, 2b in the vicinity of the rear wheels 2a, 2b (in the case of this example, the front). Drive source 15a, 1 separately
5b is arranged so that each rear wheel 2a, 2b is provided with a separate torque transmission mechanism 16a, 1
Driven through 6b. An internal combustion engine or an electric motor may be used as the drive source.

FIG. 9 (a) shows an example of the configuration of the drive system for the rear wheels 2a, 2b described above, and the drive sources 15a, 15b are control devices 17 for applying optimum torques for straight traveling and turning to each wheel. Controlled by. The torque from the output shafts of the drive sources 15a, 15b passes through the transmissions 18a, 18b, respectively, and then through the gear assemblies 19a, 19b composed of a pair of bevel gears, respectively, and the rear wheels 2
It is supplied to a and 2b. On the other hand, the control device 17 monitors the rear wheel drive torque or the number of revolutions by the sensors 20a, 20b and supplies the torque suitable for vehicle running to each of the rear wheels 2a, 2b while monitoring the operating parameters of the drive sources 15a, 15b. Drive source 1
5a, 15b and transmissions 18a, 18b (including a clutch) are controlled in a correlated manner. For example, drive source 15
When a and 15b are internal combustion engines, the operating parameters are so-called engine parameters such as intake amount, throttle opening, engine speed, etc., and control the fuel supply amount or secondary intake amount. When the drive sources 15a and 15b are DC motors, the applied voltage and the like are controlled.

FIG. 9 (b) shows another rear wheel drive system. In this drive system, the gear assembly 19 in FIG. 9 (a) is shown.
Torque is transmitted to the rear wheels via known differential gear assemblies 21a and 21b instead of a and 19b. Further, since the differential gear assemblies 21a and 21b distribute the required torque autonomously, the sensors 20a and 20b may be omitted.

As described above, since the drive sources 15a and 15b are separated and arranged in the hanging parts 3a and 3b, a recess having a sufficient size is formed in the central bottom portion of the vehicle body 3, and a large downward lift force is exerted by the wind tunnel effect. 3 improves the high-speed running stability of the vehicle.

Next, as is particularly clear from FIGS. 4 and 5, a strip-shaped obstacle indicator 30 is set on the peripheral edge of the opening of the concave portion 4 forming the vehicle interior of the vehicle body 3. The obstacle display indicator 30 may be one in which a large number of light emitting elements are arranged in series, and the installation place may be on the inner wall surface of the recess 4 if it is within the visual field of the occupant. The point is that the obstacles may be provided continuously or discontinuously from the front of the occupant to the side of the occupant and to the rear of the occupant to indicate the obstacle existing direction as viewed from the center of the vehicle.

As is clear from FIG. 10, the obstacle indicator 30 is an obstacle sensor 31 such as an omnidirectional radar provided at an appropriate position on the vehicle body 3.
The lighting is controlled by the control circuit 32 which operates based on the detection signal from. For example, it is conceivable that only a light emitting element in the direction of existence of an obstacle is turned on to notify an occupant of the direction of existence of the obstacle, and further, a distance factor is displayed by a difference in emission color.

FIG. 11 shows the contents of the operation of the keyboard 10 by the occupant on the display 7, while activating one of the actuator groups 40 to turn on the headlight, blinker, wiper, interior light, and air conditioner. , A control system that performs various operations such as. Ie keyboard
Reference numeral 10 is, for example, a configuration in which a large number of touch switch groups are arranged on the operation panel surface, and operation information data indicating which switch has been operated is supplied to the signal processing device 41. The signal processing device 41 drives one of the actuator groups 40 according to the operation information data, while driving the display device 7 via the driver 42 so that the passenger can visually recognize the contents of the operation information data. . Although the above operation is basically the same as that of the conventional example, in the present embodiment, at least one of the switch groups of the keyboard 10 displays information indicating the proximity or contact of an object such as an occupant's finger to the switch. It is configured so that it can be sent out. That is, at least one of the switch groups of the keyboard 10 is a switch with a proximity detection function, and this proximity information data is also supplied to the signal processing device 41. The signal processing device 41 displays the display 7 according to the proximity information data.
Is driven to indicate which switch the occupant's finger approaches or contacts. Therefore, the occupant can know which switch he or she is operating by looking at the display 7 without looking at his hand, which is convenient.
In the display device 7, an indicator corresponding to each switch may be provided so that the indicator emits green light according to the proximity information data and then the same indicator emits red light according to the operation information data. The point is that the proximity display and the operation display may be performed in different modes.

Further, the signal processing device 41 drives not only the information from the keyboard 10 but also navigation information such as tourist information and road congestion situation information obtained from the outside from the receiver 43 and drives the display 7 to display the information. To do.

FIG. 13 shows a specific configuration example of the display device 7. As shown in the figure, the display 7 has various information indicators related to accessories that are not directly related to the vehicle traveling on the left side when viewed from the passenger side. That is, in the vicinity of the section INF indicating the information indicator group, a section NAVI indicating that navigation information is being received, a section SATE indicating that satellite broadcasting is being received, and a section indicating that a videophone is being used. TVTEL etc. are arranged. In addition, in the vicinity of the section OPE indicating the operation information group, a section AUDIO indicating that audio control is in progress, a section CRUISE indicating that cruise control is in progress, a section INTE indicating that interior fitness control is in progress, etc. Is provided. Above the center of the display unit 7, there are provided a section 60 for indicating the vehicle speed mode, a section 61 for indicating the road surface condition, and a section 62 for indicating manual or automatic selection of the gear ratio change. 63 are provided. A two-dimensional screen display surface 64 such as a CRT is provided in the lower part of the central portion, and it is possible to show a rear view screen.

On the right side of the display 7, a two-dimensional screen display surface 65 that functions as a display unit of an omnidirectional radar and a gyroscope formed centering inside the vehicle center vertical vehicle is arranged.

FIG. 14 shows an example of a control system of the two-dimensional screen display unit 65 in the display device 7. That is, the parts different from FIG. 11 are the vehicle position display map file 70 and the obstacle detection sensor.
71 and the current position sensor 72 of the vehicle. The subroutine operation of the signal processing device 41 that supervises the operation of the control system having such a configuration will be described with reference to the flowchart of FIG.

That is, when the flag for turning on the vehicle position display switch is set while the main routine of the signal processing device 41 is operating (step
S ₁ ) After the number of addresses N is set to 1 (step S ₂ ), a map screen of a scale corresponding to the current position of the vehicle, that is, the vehicle position and corresponding to address 1 is called from the map file 70 and displayed on the display screen 64. is displayed (step S _3). The display image at this time is, for example, as shown in FIG.

Then, if it is determined that the occupant presses the enlargement switch (not shown) on the keyboard 10 (step S _4), allowed to increase the address N by one address (step S _5). If a vehicle position display screen with a smaller scale is prepared for a larger address, a vehicle position display image with a smaller scale is displayed on the display screen 64 in order, and the minimum scale is displayed. When it is determined that N is equal to a predetermined maximum value (step S ₆ ), the signal processing device 41 determines whether or not the obstacle information data obtained from the obstacle sensor 71 is displayed.
The obstacle display as shown in Fig. 16 (b) is displayed (step
S ₇ ). When the predetermined time has elapsed from the obstacle display start (Step S _8), as shown in the obstacle display the FIG. 16 (c), carried out by expanding (step S _9). When the zoom-out button turned on (step S _10), it stops the obstacle display (step S _11).

FIG. 17 shows an example in which another function is added to the keyboard 10 and the signal processing device 41 shown in FIG. That is, the signal processing device 41 is adapted to receive information from the vehicle speed sensor 73, the lateral acceleration sensor 74, and the longitudinal (ie, front-back direction) acceleration sensor 75 provided at appropriate places in the vehicle. On the other hand, in the seats 8a and 8b, hydraulic dampers 76 and 77 that adjust the cushion degree, that is, elasticity of the seats are embedded in the cushion portions. The number of hydraulic dampers is not limited to two, and it is preferable to provide a desired number in a distributed manner so as to provide an appropriate cushion to the occupant. The resilience of the hydraulic dampers 76, 77 is adjusted by the drive device 78. Not only the cushioning degree of the seats 8a and 8b but also the posture such as the inclination of the backrest portion is adjusted by adjusting the posture of the frame serving as the core of the cushion member by means not shown according to a command from the drive device 78.

Pressure sensors 79 and 80 are also embedded in the cushion members of the seats 8a and 8b in an appropriate number of distributions, and the magnitude and distribution of the pressing force applied to the seat by the occupant is known, and the information is signal processed. Sending to device 4. The signal processing device 41 uses the drive device 78 to provide the seats 8a and 8b so that optimum so-called lumbar support is performed according to the input signal.
The automatic deformation seat device is configured by controlling at least one of the cushion degree and the posture of the frame.

Sheet of automatic deformation sheet device configured in this way
8a, 8b When the display 7 displays the posture and the magnitude and direction of the pressing force applied to the seat cushion in a visually recognizable manner, it is possible for the occupant to know the driving posture of the vehicle or the acceleration of the vehicle. This is preferable because it provides a feeling of processing unity.

FIG. 18 shows a configuration example of the display 7 used in the device shown in FIG. In this example, a basic figure 81 of a shape in which the sheets 8a and 8b are looked down from diagonally behind is shown in advance on the left side portion of the display surface, and the pressure sensor is provided on the basic figure 81.
The sheet pressing force distribution obtained from 79, 80 is shown by the arrow. The direction of the pressing force may be represented by the direction of the arrow, and the magnitude of the pressing force may be represented by the length of the arrow.
Regarding the posture changes of the sheets 8a and 8b, the basic figure 81 may be indicated by a solid line and the change amount may be indicated by a dotted line.

FIG. 19 shows an exterior sound collection relay device for introducing exterior sound into the vehicle interior formed by the recess 4 of the vehicle body 3 of the automobile. That is, a pair of sound collecting microphones 90a, 90b and 91a, 91b are provided in front of and behind the vehicle body 3. Each audio signal obtained from the sound collecting microphone is passed through amplifiers 92a, 92b and 93a, 93b, and then a speaker 94a,
It is supplied to 94b, 95a, and 95b and radiated into the passenger compartment.

According to such an exterior sound collection relay device, when the interior of the vehicle is sealed and the exterior sound cannot be heard by the driver as it is, the exterior sound is forcibly introduced and is necessary for approaching another vehicle or driving an alarm sound. Outside-vehicle acoustic information can be given to the driver.

FIG. 19 (b) shows the speaker 94a, 94b and 95a, 95b seat 8
An example is shown in which the headrests 8a and 8bb of a and 8b are arranged. By doing so, the power of the amplifiers 92a, 92b, 93a, 93b can be reduced, and cost reduction can be expected.

Effects of the Invention As is apparent from the above, the vehicle position display and obstacle display device according to the present invention gradually reduces the scale ratio of the map for displaying the position of the vehicle so that the surrounding situation of the current position of the vehicle can be determined. After the display, a good driving guide is provided without impairing the continuity of the thinking of the late driver, which is designed to display obstacles around the vehicle.

[Brief description of drawings]

FIG. 1 is a rear upper perspective view of a vehicle according to the present invention, FIG. 2 is a rear lower perspective view of the vehicle shown in FIG. 1, and FIG. 3 is a central longitudinal direction of the vehicle shown in FIGS. A vertical cross-sectional view is shown by hatching, FIGS. 4 and 5 are front and rear upper perspective views of the vehicle compartment shown in FIG. 1, and FIG. 6 is provided in the vehicle compartment shown in FIG. FIG. 7 is a perspective view of a control rod to be installed, FIG. 7 is a lateral cross-sectional view of the passenger compartment of the automobile shown in FIG. 1, FIG. 8 is a partial external view of the rear of the automobile shown in FIG. 1, and FIG. a) and (b) are system block diagrams showing the rear wheel drive system of the automobile shown in FIG. 1, and FIG. 10 is a block diagram showing an outline of the obstacle indicator of the automobile shown in FIG. 1 and its drive circuit. , FIG. 11 is a block diagram showing a display system and an operation system provided in the vehicle compartment, and FIG. 12 is an example of a switch that can generate proximity information. Fig. 13 is a side view, Fig. 13 is a schematic diagram showing the configuration of an indicator also provided in the passenger compartment, and Fig. 14 is a block showing a control system for continuously displaying a route display and an obstacle display on the indicator in the passenger compartment. Fig. 15 is a flow chart showing the operation of the control system of Fig. 14, and Figs. 16 (a), (b) and (c) are schematic diagrams showing the flow of the display pattern obtained by the control system of Fig. 14. FIG. 17 is a block diagram showing a control system for controlling the posture and / or cushion of a vehicle seat, and FIG. 18 is a schematic diagram showing an example of the configuration of a display used in the control system of FIG. 17, FIG. (A), (b) is a schematic diagram which shows the structure of a vehicle exterior sound collection relay device. 1a, 1b …… front wheel 2a, 2b …… rear wheel 3 …… vehicle body, 3a, 3b …… hanging part 4 …… vehicle compartment forming recess 5 …… cover 6a, 6b …… door 7 …… display 8a, 8b ...... Sheet 9 …… Center console 10 …… Keyboard 14a, 14b …… Control rod 15a, 15b …… Drive source 17 …… Control circuit 30 …… Obstacle indicator

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Claims (1)

[Scope of utility model registration request] 1. A map file (7) for storing a plurality of map screens respectively corresponding to vehicle position display map screens of different scales.
0), vehicle position detecting means (72) for generating vehicle position information data by detecting the moving amount and direction of the vehicle, and obstacle detection for generating obstacle information data indicating the presence of an object existing in the vicinity of the vehicle. Means (71), display means (42, 65) for displaying an image corresponding to the supplied map screen, and one of the map screens corresponding to the vehicle position represented by the vehicle position information data. A vehicle characterized by relaying to the display means while relaying the vehicle position display on the one hand and relaying one of the map screens at the minimum scale factor on the basis of a command, and then relaying the obstacle information data to the display means. Position display and obstacle display device.