JP2004224090A - Steering angle notifying device for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a steering angle notifying device for a vehicle whereby a steering angle of a steering wheel is surely notified to a driver and the recognition of the steering angle is improved. <P>SOLUTION: When it is detected that the steering wheel 2 is rotated at a predetermined angle or larger, for example 90° or larger, by a detection part 6, a control part 7 operates a buzzer 17 of a display body 8 and generates a warning sound. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a vehicle steering angle notification device that notifies a driver of a steering angle of a steering wheel of a vehicle.
[0002]
[Prior art]
In the case of a passenger car, the lock position of the steering wheel is set at a position where the steering wheel (for example, the front wheel) is rotated at least one turn in a clockwise direction and a counterclockwise direction from a center position (reference position) in a direction in which the steered wheel goes straight. It is generally set. Therefore, the steering wheel is in a state similar to the center position even at a position other than the center position (a position rotated 360 ° clockwise or counterclockwise from the center position).
[0003]
Therefore, for example, it is assumed that the vehicle is parked in a state where the steering wheel is rotated 360 ° clockwise or counterclockwise from the center position. In this case, the steered wheels are oriented such that the vehicle travels leftward or rightward. When the driver tries to start the car again, the driver forgets that the steering wheel has rotated 360 ° in the clockwise or counterclockwise direction from the center position (the driver does not know). Looking at the steering wheel that is in the same state as the position, it is misunderstood that the steered wheels are oriented in the direction of going straight. Then, the passenger car travels in a direction not intended by the driver, giving the driver an uneasy feeling.
[0004]
Therefore, in order to prevent such a situation from occurring, various devices for notifying the driver of the direction of the steered wheels have been conventionally proposed. For example, devices disclosed in Patent Documents 1 and 2 are disclosed. is there. In Patent Literature 1 and Patent Literature 2, a display is provided for displaying a steering angle of a front wheel (steered wheel) based on rotation of a steering wheel.
[0005]
[Patent Document 1]
JP-A-8-80865
[Patent Document 2]
JP-A-9-52580
[0006]
[Problems to be solved by the invention]
However, in Patent Literature 1 and Patent Literature 2 described above, the steering angle of the steered wheel is only displayed on the display, and the driver must visually recognize the display. In other words, since the configuration is not such that the driver is positively notified of the steering angle of the steered wheel, the driver is less aware of the steering angle of the steered wheel, and the above-described situation may occur.
[0007]
The present invention has been made to solve the above problems, and an object of the present invention is to provide a vehicle for a vehicle that can reliably notify a driver of a steering angle of a steered wheel and improve recognition of a steering angle. It is to provide a steering angle notification device.
[0008]
[Means for Solving the Problems]
In order to solve the above problem, the invention according to claim 1 includes a detecting unit that detects a rotation direction and a rotation angle of a steering wheel, a notifying unit that generates an alarm sound, and the steering wheel that detects the steering wheel. The gist of the invention is to provide a control means for controlling the notifying means to generate a warning sound when detecting that the rotation is performed at a predetermined rotation angle or more.
[0009]
According to a second aspect of the present invention, in the vehicle steering angle notifying device according to the first aspect, the notifying unit includes a display unit that displays a rotation direction and a rotation angle of the steering wheel. And
[0010]
According to a third aspect of the present invention, in the vehicle steering angle notification device according to the first or second aspect, a vehicle speed detecting unit that detects a vehicle speed is provided, and the control unit is configured to control the vehicle speed “0” by the vehicle speed detecting unit. ) Is detected, when the detecting means detects that the steering wheel is rotating by a predetermined rotation angle or more, the control means activates the notifying means and controls to generate a warning sound. Make a summary.
[0011]
According to a fourth aspect of the present invention, in the vehicle steering angle notifying device according to the first or second aspect, the vehicle steering angle notification device includes a vehicle speed detection unit that detects a vehicle speed, and a shift lever position detection unit. When the vehicle speed "0" is detected by the vehicle speed detecting means and the shift lever position detecting means detects that the shift lever is located at a position other than the parking position or the neutral position, the steering means detects the steering wheel. The gist of the present invention is to control the notifying unit to generate a warning sound when detecting that the wheel is rotating beyond a predetermined rotation angle.
[0012]
According to a fifth aspect of the present invention, in the vehicle steering angle notification device according to any one of the first to fourth aspects, a rotation direction and a rotation angle of the steering wheel detected by the detection unit are stored. When the control unit detects that the steering wheel is rotating at a predetermined rotation angle or more based on the rotation direction and the rotation angle of the steering wheel stored in the storage unit, the control unit includes: The gist of the present invention is to control the notification means so as to generate a warning sound.
[0013]
According to a sixth aspect of the present invention, in the vehicle steering angle notification device according to any one of the first to fifth aspects, the detecting means includes a sensor magnet disposed on the steering wheel side, and the steering wheel. A hall element that is disposed on a stationary body opposite to the wheel and converts a change in a magnetic field accompanying the movement of the sensor magnet into an electric signal; andthe control unit converts the electric signal from the hall element into an electric signal. The gist is to perform control based on this.
[0014]
According to a seventh aspect of the invention, in the vehicle steering angle notification device according to any one of the first to sixth aspects, the gist is that the notification means is a buzzer.
According to an eighth aspect of the present invention, in the vehicle steering angle notification device according to the second aspect, the display means is configured using a plurality of LED lamps.
[0015]
According to a ninth aspect of the present invention, in the vehicle steering angle notifying device according to the fourth aspect, the shift lever position detecting means is an existing inhibitor switch provided in the vehicle.
[0016]
(Action)
According to the first aspect of the present invention, when the detection means detects that the steering wheel is rotating by a predetermined rotation angle or more, the control means activates the notification means to generate a warning sound. Therefore, since the driver is positively notified that the steering wheel is rotating beyond the predetermined rotation angle, the driver's recognition of the position of the steering wheel, that is, the steering angle of the steered wheels is improved. For this reason, for example, when the vehicle is stopped in a state where the steering wheel is largely rotated by a predetermined rotation angle or more and the vehicle is started again in that state, anxiety caused by starting in a direction not intended by the driver can be reduced.
[0017]
According to the second aspect of the invention, the display means displays the rotation direction and the rotation angle of the steering wheel. Therefore, since the rotation direction and the rotation angle of the steering wheel can be visually confirmed, the driver can more easily recognize the position of the steering wheel, that is, the steering angle of the steered wheels.
[0018]
According to the third aspect of the present invention, when the vehicle speed is detected by the vehicle speed detecting means, and when the detecting means detects that the steering wheel is rotating at a predetermined rotation angle or more, The control means activates the notification means to generate a warning sound. That is, when the vehicle is considered to be in a stopped state, a warning sound is generated if the steering wheel is rotating beyond the predetermined rotation angle. Therefore, when starting again in such a stopped state, anxiety is caused by starting in a direction not intended by the driver. Therefore, if the warning sound is generated only in such a case, an unnecessary warning sound is generated. Can be prevented from occurring.
[0019]
According to the invention described in claim 4, when the vehicle speed "0" is detected by the vehicle speed detecting means, and the shift lever position detecting means detects that the shift lever is located at a position other than the parking position or the neutral position. When the detecting means detects that the steering wheel is rotating by a predetermined rotation angle or more, the control means activates the notifying means to generate a warning sound. That is, when it is considered that the vehicle shifts from stopping to running, a warning sound is generated if the steering wheel is rotating beyond a predetermined rotation angle. Therefore, when starting again in such a stopped state, anxiety is caused by starting in a direction not intended by the driver. Therefore, if the warning sound is generated only in such a case, an unnecessary warning sound is generated. Can be prevented from occurring.
[0020]
According to the fifth aspect of the present invention, the rotation direction and the rotation angle of the steering wheel are stored in the storage unit, and the steering wheel is rotated at the predetermined rotation angle based on the stored rotation direction and the rotation angle of the steering wheel. When the rotation is detected as described above, the control means activates the notification means to generate a warning sound. Therefore, since the rotation direction and the rotation angle of the steering wheel are stored in the storage unit, the notification unit can be reliably operated.
[0021]
According to the invention described in claim 6, the detecting means is provided on the sensor magnet provided on the steering wheel side and on the immovable body opposite to the steering wheel, and the change of the magnetic field accompanying the movement of the sensor magnet is provided. And a Hall element that converts the signal into an electric signal. The control means controls based on an electric signal from the Hall element. Therefore, since the detecting means can be simply constituted by the sensor magnet and the Hall element, the entire apparatus can be simplified.
[0022]
According to the seventh aspect of the present invention, since the buzzer is used as the notification means, the configuration of the notification means is simplified, and the entire apparatus can have a simple configuration.
According to the eighth aspect of the present invention, since the display means is configured by using a plurality of LED lamps, the configuration of the display means is simplified, and the entire apparatus can be simplified.
[0023]
According to the ninth aspect of the present invention, the shift lever position detecting means is an existing inhibitor switch provided in the vehicle, so that it is not necessary to separately provide a special means for detecting the position of the shift lever.
[0024]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described below with reference to the drawings.
FIG. 1A shows a steering device 1 of the present embodiment provided in a driver's seat of a passenger car. A steering wheel 2 constituting the steering device 1 is provided so as to be rotatable with respect to a steering column 4 together with a steering shaft 3 around the shaft 3. In the present embodiment, the steering wheel 2 rotates 1.5 times (one and a half rotations) clockwise and counterclockwise from a center position (reference position) in which a steered wheel (generally, a front wheel in a passenger car) is directed straight. ) And the locked position is set at the rotated position.
[0025]
A steering angle notification device 5 is assembled to the steering device 1. Note that the steering angle notification device 5 is assembled in the steering device 1 in advance or is installed later.
[0026]
The steering angle notification device 5 includes a detection unit 6 as a detection unit, a control unit 7 as a control unit, and a display body 8 constituting a notification unit. The detection unit 6, the control unit 7, and the display main body 8 are electrically connected to each other via a cable 9.
[0027]
The detection unit 6 is provided on the steering wheel 2 and the steering column 4, and has a sensor magnet 11 and five Hall elements (Hall ICs) 12a to 12e. The sensor magnet 11 is fixed to a surface 2a of the steering wheel 2 facing the steering column 4. The sensor magnet 11 is disposed at a position radially offset from the steering shaft 3, and is located at the uppermost position when the steering shaft 3 is directed to the center position, that is, when the steered wheels are directed straight. The sensor magnet 11 rotates around the steering shaft 3 as the steering wheel 2 rotates.
[0028]
On the other hand, each of the Hall elements 12a to 12e has a substantially same circle as the rotation trajectory of the magnet 11 on the surface 4a of the steering column 4 facing the facing surface 2a of the steering wheel 2 so as to face the sensor magnet 11. It is arranged on the circumference. When viewed from the steering wheel 2 toward the steering column 4, each of the Hall elements 12a to 12e has two Hall elements 12a and 12b at the top of the opposing surface 4a, as shown in FIG. They are arranged side by side at predetermined intervals (electrical angle 90 °). The hall element 12c is arranged at a position shifted 90 ° clockwise from the uppermost hall elements 12a and 12b, and the hall element 12d is arranged at a position further shifted 90 ° clockwise from the hall element 12c. ing. The hall element 12e is arranged at a position further shifted clockwise by 90 ° from the hall element 12d, and the hall elements 12a and 12b are arranged at a position further shifted 90 ° clockwise from the hall element 12e. Have been.
[0029]
Each of the Hall elements 12a to 12e outputs an H-level output signal when the sensor magnet 11 is disposed at a position substantially opposed to the Hall element. That is, when the sensor magnet 11 passes through each of the Hall elements 12a to 12e, the Hall elements 12a to 12e output an H-level pulse-like output signal. Therefore, by detecting output signals from the Hall elements 12a to 12e, the rotation angle (that is, the steering angle of the steered wheels) and the rotation direction of the steering wheel 2 to which the sensor magnet 11 is fixed can be detected. I have.
[0030]
The control unit 7 is provided near the steering device 1. Output signals from the detection unit 6, that is, the Hall elements 12a to 12e are input to the control unit 7. The input output signals from each of the Hall elements 12a to 12e are processed by the calculation unit 13 in the control unit 7, as shown in FIG.
[0031]
Specifically, since the Hall elements 12a and 12b are arranged to have an electrical angle of 90 ° with each other, when the sensor magnet 11 passes through the Hall elements 12a and 12b, the H from the Hall elements 12a and 12b A 90 ° phase difference occurs in the level output signal. The calculation unit 13 detects the direction in which the sensor magnet 11 moves, that is, the rotation direction of the steering wheel 2, based on the phase difference between the output signals. Further, since the hall elements 12a, 12b and the hall elements 12c, 12d, 12e are arranged at intervals of approximately 90 ° in the rotation direction of the steering wheel 2, the output signals of the steering wheel 2 are approximately 90 °. Every time it rotates, the corresponding Hall element 12a to 12e outputs an H-level output signal. The calculation unit 13 detects the angle at which the sensor magnet 11 moves, that is, the rotation angle of the steering wheel 2, based on the output signals. Thereby, it is detected in which angular range the steering wheel 2 is arranged at every 90 °.
[0032]
In this case, when the steering wheel 2 is located at the center position (the steered wheels are in the straight traveling direction), the angle is set to 0 °. When the steering wheel 2 is rotated 1.5 times clockwise and counterclockwise from its center position, the lock position is established. Therefore, the rotation angle of the steering wheel 2 is detected in both directions up to 540 ° in units of 90 °. Is done. Then, the arithmetic unit 13 stores the rotation angle and the rotation angle of the steering wheel 2 in the memory 14 as storage means at predetermined time intervals.
[0033]
The control unit 7 receives a vehicle speed signal from a vehicle speed sensor 21 serving as a vehicle speed detecting means, and outputs a state signal from an inhibitor switch (inhibitor SW) 22 and a small lamp switch (small lamp SW) 23 serving as shift lever position detecting means. Is entered. Each input signal is processed by the arithmetic unit 13 in the control unit 7.
[0034]
The calculation unit 13 detects whether or not the vehicle speed is “0”, that is, whether or not the vehicle is stopped, based on the vehicle speed signal from the vehicle speed sensor 21. The inhibitor switch 22 is an existing switch that detects the position of an AT shift lever provided in the vehicle. The operation unit 13 determines that the shift lever is in the P position (based on a state signal from the inhibitor switch 22). It is detected whether the vehicle is at the parking position), at the N position (neutral position), or at any other position. The small lamp switch 23 is an existing switch for turning on a small lamp (vehicle width lamp) provided in the vehicle, and the arithmetic unit 13 performs operation based on a state signal from the small lamp switch 23. It is detected whether or not the small lamp switch 23 is turned on.
[0035]
The calculation unit 13 operates the display body 8 via the driver 15. The display main body 8 has a substantially rectangular parallelepiped shape as shown in FIG. 1C, and has a display 16 as a display means and a buzzer 17 as a notification means. The display 16 has a plurality of LED lamps 16 a arranged in the longitudinal direction of the display body 8. In addition, in this embodiment, only five pieces are illustrated in order to prevent the drawing from being complicated. The buzzer 17 is attached to one longitudinal end of the display main body 8. Such a display body 8 is mounted on the upper part of the steering column 4 so that the longitudinal direction is the vehicle width direction so that the display 16 can be visually recognized by the driver.
[0036]
Then, the control unit 7 turns on the display 16 based on the detection of the rotation direction and the rotation angle of the steering wheel 2.
Specifically, the LED lamp 16a is divided into two areas, rightward and leftward from the center, and none of them is lit when the steering wheel 2 is located at the center position. When the steering wheel 2 is rotated clockwise from the center position (that is, when the steered wheels are turned in a direction in which the vehicle advances rightward), the control unit 7 turns on the LED lamp 16a from the center to the right. The number of lighted LED lamps 16a increases with an increase in the rotation angle of the steering wheel 2. On the other hand, when the steering wheel 2 is rotated counterclockwise from the center position (that is, when the steered wheels are turned in the direction in which the vehicle advances leftward), the control unit 7 turns the LED lamp 16a leftward from the center. And the number of lighting of the LED lamp 16a is increased with an increase in the rotation angle of the steering wheel 2.
[0037]
That is, the display of the display 16 (the LED lamp 16a) allows the driver to visually recognize the rotation direction and the rotation angle of the steering wheel 2. In this case, when detecting the ON state of the small lamp switch 23, the control unit 7 recognizes that the small lamp (vehicle width lamp) is lit, that is, the vehicle is running at night, and when the switch 23 is OFF (during daytime running). The amount of light of the display 16 is reduced by a predetermined amount as compared with the case of (1), thereby preventing dazzling.
[0038]
The control unit 7 activates the buzzer 17 when the vehicle speed is “0”, the AT shift lever is disposed at a position other than the P position or the N position, and the steering wheel 2 is rotated by 90 ° or more regardless of the rotation direction. Let it. That is, when the steering wheel 2 is rotated by 90 ° or more regardless of the rotation direction in the stopped state, the buzzer 17 is activated and an alarm sounds.
[0039]
That is, in this state, since the steered wheels are largely directed in the direction in which the vehicle advances rightward or leftward, even if the rotation angle of the steering wheel 2 is displayed on the display 16, the driver can turn the steering wheel 2. If the recognition of the rotation angle is low, the vehicle is largely moved rightward or leftward, and the driver becomes uneasy. In particular, at the position where the steering wheel 2 is rotated by 360 °, the state is the same as the center position. Therefore, by looking at the state of the steering wheel 2, the driver erroneously recognizes that the vehicle goes straight. Then, when the vehicle is started under this consciousness, since the steering wheel 2 is actually rotated by 360 °, the vehicle largely advances rightward or leftward, and the driver has a great sense of anxiety.
[0040]
Therefore, in order to positively notify the driver that the steering wheel 2 is rotating by 90 ° or more, the control unit 7 activates the buzzer 17 and sounds a warning sound.
[0041]
Next, the processing flow of the control unit 7 will be described with reference to FIG.
In step S1, the control unit 7 determines whether or not an existing accessory switch (ACC switch), not shown, provided in the passenger car is on. If the accessory switch is off, the control unit 7 repeats step S1 until the accessory switch is turned on. When the accessory switch is turned on, the control section 7 proceeds to step S2.
[0042]
In step S2, the control unit 7 reads the rotation direction and the rotation angle of the steering wheel 2 currently stored in the memory 14, and proceeds to step S3. In step S3, the control unit 7 turns on the display 16 (LED lamp 16a) in the above-described display mode according to the stored rotation direction and rotation angle of the steering wheel 2, and proceeds to step S4.
[0043]
In step S4, the control unit 7 determines whether the small lamp switch 23 is on. If the small lamp switch 23 is in the off state, the control unit 7 proceeds directly to step S6. On the other hand, if the small lamp switch 23 is on, the control unit 7 proceeds to step S5, and in step S5, reduces the light amount of the LED lamp 16a by a predetermined amount. Then, the control section 7 proceeds to step S6.
[0044]
In step S6, the control unit 7 determines whether or not the vehicle speed is "0", the AT shift lever is arranged at a position other than the P position or the N position, and the steering wheel 2 is rotated by 90 degrees or more regardless of the rotation direction. I do. If all of them are not satisfied, the control section 7 proceeds to step S8. On the other hand, if all of these are satisfied, the control unit 7 proceeds to step S7, and activates (turns on) the buzzer 17 in step S7 to sound a warning sound. That is, when all of these conditions are satisfied, as described above, when the vehicle starts next, the vehicle largely moves rightward or leftward, giving the driver an uneasy feeling. Is positively notified that is rotated by 90 ° or more. Then, the control section 7 proceeds to step S8.
[0045]
In step S8, the control unit 7 writes the detected current rotation direction and rotation angle of the steering wheel 2 into the memory 14, and proceeds to step S9.
In step S9, the control unit 7 determines whether or not the accessory switch (ACC switch) is off. If the accessory switch is off, the control unit 7 ends the processing. If the accessory switch is on, the control unit 7 returns to step S2 and repeats the subsequent steps.
[0046]
Next, the characteristic operation and effect of the steering angle notification device 5 of the present embodiment will be described below.
(1) When the detection unit 6 detects that the steering wheel 2 is rotating by a predetermined rotation angle (90 ° in this embodiment) or more, the control unit 7 activates the buzzer 17 of the display body 8. To generate a warning sound. Therefore, since the driver is positively notified that the steering wheel 2 is rotating beyond the predetermined rotation angle, the driver's recognition of the position of the steering wheel 2, that is, the steering angle of the steered wheels is improved. Therefore, for example, when the vehicle is stopped in a state in which the steering wheel 2 is largely rotated by a predetermined rotation angle or more and the vehicle is started again in that state, anxiety caused by starting in a direction not intended by the driver can be reduced.
[0047]
(2) On the display 16 of the display body 8, the rotation direction and the rotation angle of the steering wheel 2 are displayed. Therefore, since the rotation direction and the rotation angle of the steering wheel 2 can be visually confirmed, the recognition of the position of the steering wheel 2 by the driver, that is, the steering angle of the steered wheels can be further improved.
[0048]
(3) When the vehicle speed sensor 21 detects the vehicle speed “0” and the inhibitor switch 22 detects that the shift lever is located at a position other than the parking position (P position) or the neutral position (N position), When the detection unit 6 detects that the steering wheel 2 is rotating beyond a predetermined rotation angle, the control unit 7 activates the buzzer 17 of the display body 8 to generate a warning sound. That is, when it is considered that the vehicle shifts from stopping to running, a warning sound is generated when the steering wheel 2 is rotating beyond a predetermined rotation angle. Therefore, when starting again in such a stopped state, anxiety is caused by starting in a direction not intended by the driver. Therefore, if the warning sound is generated only in such a case, an unnecessary warning sound is generated. Can be prevented from occurring.
[0049]
(4) The rotation direction and the rotation angle of the steering wheel 2 are stored in the memory 14, and the steering wheel 2 is rotated by a predetermined rotation angle or more based on the stored rotation direction and the rotation angle of the steering wheel 2. When the control unit 7 detects that the user is present, the control unit 7 operates the buzzer 17 of the display body 8 to generate a warning sound. Therefore, since the rotation direction and the rotation angle of the steering wheel 2 are stored in the memory 14, the buzzer 17 of the display main body 8 can be reliably operated.
[0050]
(5) The detecting unit 6 is disposed on the sensor magnet 11 disposed on the steering wheel 2 side and on the steering column 4 which is an immovable body on the opposite side of the steering wheel 2, and a magnetic field accompanying the movement of the sensor magnet 11. And Hall elements 12a to 12e for converting a change of the electric field into an electric signal. The control unit 7 performs control based on electric signals from the Hall elements 12a to 12e. Therefore, since the detection unit 6 can be simply configured with the sensor magnet 11 and the Hall elements 12a to 12e, the entire device 5 can be simplified.
[0051]
(6) Since the notification is made by the buzzer 17, the configuration of the notification means is simplified, and the entire apparatus 5 can be made simple.
(7) Since the display is performed using the plurality of LED lamps 16a, the configuration of the display means is simplified, and the entire device 5 can be simplified.
[0052]
(8) Since the existing inhibitor switch 22 provided in the vehicle is used, there is no need to separately provide a special means for detecting the position of the shift lever.
Note that the embodiment of the present invention may be modified as follows.
[0053]
In the above embodiment, the display main body 8 is disposed above the steering column 4, but the location is not limited to this, and may be changed as appropriate. For example, it may be arranged on the upper surface of the dashboard.
[0054]
In the above-described embodiment, the display main body 8 is configured such that the display 16 and the buzzer 17 are integrally formed, but may be separately formed. Further, at least the buzzer 17 may be provided.
[0055]
In the above-described embodiment, a warning sound is generated when the steering wheel 2 is rotated by 90 ° or more. However, an angle other than this may be used.
In the above embodiment, the rotation direction and the rotation angle of the steering wheel 2 are stored in the memory 14. However, the memory 14 may be omitted if not particularly necessary.
[0056]
In the above embodiment, the detection unit 6 is configured using one sensor magnet 11 and five Hall elements 12a to 12e, but the number of the sensor magnets 11 and the number of the Hall elements 12a to 12e are not limited thereto. Not something. Further, an element other than the Hall elements 12a to 12e for detecting a change in the magnetic field may be used. In addition, other than such magnetic detecting means, for example, an optical detecting means or a means for detecting electrical contact / non-contact may be used. Further, mechanical detection means may be used.
[0057]
-The arrangement | positioning position of the Hall element 12a-12e of the said embodiment is not limited to this, You may change suitably.
In the above-described embodiment, the sensor magnet 11 is provided on the steering wheel 2 side and the hall elements 12a to 12e are provided on the steering column 4 side. It may be provided on the wheel 2 side.
[0058]
In the above embodiment, the buzzer 17 is used to emit a warning sound. However, a warning sound may be emitted from a device other than the buzzer 17.
In the above-described embodiment, the LED lamp 16a is used as the display 16, but the display may be configured with other components.
[0059]
In the above embodiment, the shift lever position is detected by the existing inhibitor switch 22 provided in the vehicle. However, the shift lever position may be detected by other means.
[0060]
-In the above-mentioned embodiment, it carried out to a passenger car, but may carry out to vehicles other than a passenger car.
[0061]
【The invention's effect】
As described in detail above, according to the present invention, it is possible to provide a vehicle steering angle notification device that can reliably notify a driver of a steering angle of a steered wheel and improve recognition of a steering angle. .
[Brief description of the drawings]
FIG. 1A is a schematic configuration diagram illustrating a steering device provided with a steering angle notification device, FIG. 1B is a diagram illustrating a configuration of a detection unit, and FIG. 1C is a diagram illustrating a configuration of a display body. Figure.
FIG. 2 is an electrical configuration diagram of a steering angle notification device.
FIG. 3 is a flowchart showing processing of a control unit.
[Explanation of symbols]
2 ... steering wheel, 6 ... detection unit as detection means, 7 ... control unit as control means, 8 ... display body constituting notification means, 11 ... sensor magnets, 12a to 12e ... hall elements, 14 ... storage means , A display as display means, 16a an LED lamp, 17 a buzzer as notification means, 21 a vehicle speed sensor as vehicle speed detection means, 22 an inhibitor switch as shift lever position detection means.

Claims (9)

Detecting means for detecting a rotation direction and a rotation angle of the steering wheel;
Notification means for generating an alarm sound;
When the detection unit detects that the steering wheel is rotating by a predetermined rotation angle or more, a control unit that controls the notification unit to operate so as to generate a warning sound, and
A vehicle steering angle notification device comprising: The vehicle steering angle notification device according to claim 1,
The vehicle steering angle notification device, wherein the notification unit includes a display unit that displays a rotation direction and a rotation angle of the steering wheel. The vehicle steering angle notification device according to claim 1 or 2,
A vehicle speed detecting means for detecting a vehicle speed,
The control means, when the vehicle speed "0" is detected by the vehicle speed detection means, when the detection means detects that the steering wheel is rotating by a predetermined rotation angle or more, the control means transmits the notification means. A vehicle steering angle notification device, which is controlled to generate a warning sound when activated. The vehicle steering angle notification device according to claim 1 or 2,
A vehicle speed detecting means for detecting a vehicle speed, and a shift lever position detecting means,
The control means, when the vehicle speed "0" is detected by the vehicle speed detection means, and when the shift lever position detection means detects that the shift lever is located at a position other than the parking position or the neutral position, When the detecting means detects that the steering wheel is rotating by a predetermined rotation angle or more, the control means activates the notifying means and controls so as to generate a warning sound. The vehicle steering angle notification device according to any one of claims 1 to 4,
Storage means for storing a rotation direction and a rotation angle of the steering wheel detected by the detection means,
The control unit activates the notifying unit when detecting that the steering wheel is rotating at a predetermined rotation angle or more based on the rotation direction and the rotation angle of the steering wheel stored in the storage unit. A vehicle steering angle notification device, which controls to generate a warning sound. The vehicle steering angle notification device according to any one of claims 1 to 5,
The detection means includes a sensor magnet disposed on the steering wheel side, and a hall disposed on a stationary body opposite to the steering wheel, for converting a change in a magnetic field accompanying the movement of the sensor magnet into an electric signal. And an element,
The vehicle steering angle notifying device, wherein the control means performs control based on an electric signal from the Hall element. The vehicle steering angle notification device according to any one of claims 1 to 6,
The notifying means is a buzzer, and the steering angle notifying device for a vehicle is provided. The vehicle steering angle notification device according to claim 2,
The vehicle steering angle notification device, wherein the display means is configured using a plurality of LED lamps. The vehicle steering angle notification device according to claim 4,
The vehicle steering angle notifying device, wherein the shift lever position detecting means is an existing inhibitor switch provided in a vehicle.

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