JP3557562B2 - Traveling state detection device and traveling state detection control method - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a traveling state detection device and a traveling state detection control method for detecting a traveling state of a moving body traveling with the rotation of wheels, such as a bicycle.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, in a bicycle, for example, a device called a cycle computer that detects a rotation state of a wheel and the like, measures a traveling time, a traveling speed, a traveling distance, and the like and displays the measured information in real time is known.
[0003]
That is, this cycle computer is provided with, for example, a magnetic detection unit and a transmission unit adjacent to a rotation trajectory of a magnet attached to a spoke of a front wheel, and a rotation detection pulse signal transmitted from the transmission unit every time the front wheel makes one rotation. Is received by the receiver attached to the handle.
[0004]
Then, based on the rotation detection pulse signal received by the receiving unit, the wheel size stored in advance, and the elapsed time obtained by a timer or the like, the current travel time, travel distance, travel speed, and the like are calculated. Display on the display.
Thereby, the occupant of the bicycle can know the running state in real time.
[0005]
[Problems to be solved by the invention]
However, in the above-described conventional cycle computer, the operation of the timer is started from the point of time when the start key operated by the user at the time of starting the traveling is performed. Since the calculation and display processing is started, for example, even before actually riding the vehicle and starting to travel, the traveling time is measured and added, and the traveling is also performed by a rotation detection pulse signal of the front wheels accompanying the pushing and walking of the bicycle. There is a problem that the calculation process of the distance and the traveling speed is performed, and it is not possible to obtain an accurate traveling time, a traveling distance, and a traveling speed after actually getting on the vehicle and starting traveling.
[0006]
The present invention has been made in view of the above problems, and it is possible to accurately measure and display the running state after actually riding the vehicle without starting the measurement of the running state from the time of operating the start key. It is an object to provide a traveling state detection device and a traveling state detection control method .
[0007]
[Means for Solving the Problems]
That is, a first traveling state detecting device according to the present invention comprises: a rotation detecting means for detecting rotation of a wheel on which a traveling body travels; and a rotation detecting level of a wheel detected by the rotation detecting means, which is set in advance. When the vehicle reaches a level, the vehicle includes a traveling state measuring means for measuring a traveling state of the traveling body, and a display means for displaying a traveling state of the traveling body measured by the traveling state measuring means. The detecting means is a generator that generates a voltage according to the rotation of the wheel, and the rotation detection level is the generated voltage level .
[0008]
Further, the second traveling state detecting device according to the present invention is the first traveling state detecting device, wherein the traveling state measuring means comprises means for measuring a traveling time, a traveling distance, and a traveling speed of the traveling body. It is characterized by having done .
[0009]
A traveling state detection control method according to the present invention is a traveling state detection control method for using a traveling state detection device that detects a traveling state of a traveling body that travels with the rotation of wheels, and includes: A rotation detecting step for detecting rotation of a wheel to be run, and a running state for measuring a running state of the running body when a wheel rotation detection level detected by the rotation detecting step reaches a preset rotation level. A measuring step, and a display step of displaying a traveling state of the traveling body measured by the traveling state measuring step, wherein the rotation detecting step is a step of generating a voltage according to the rotation of the wheel, The rotation detection level is a generated voltage level.
[0010]
[Action]
Wherein in the first running state detecting apparatus, when the generator voltage corresponding to the wheel rotation due to the actual traveling is generated, so that the running state is displayed measured.
In the second traveling state detection device, when a generator voltage is generated according to the rotation of the wheels during actual traveling , the traveling time, traveling distance, and traveling speed are measured and displayed.
[0011]
In the running state detection control method , when a voltage is generated according to the rotation of the wheels during the actual running, the running state is measured and displayed.
[0012]
【Example】
An embodiment of the present invention will be described below with reference to the drawings.
FIG. 1 is a side view showing an external configuration of a bicycle 1 on which a traveling state detection device is mounted.
[0013]
FIG. 2 is a diagram showing an external configuration of various signal transmission units and a receiver of the traveling state detection device.
A magnet 4 for detecting front wheel rotation is attached to a spoke 3 of a front wheel 2 provided on the bicycle 1.
[0014]
Further, a transmitter 6 is fixed to the front wheel frame 5 of the bicycle 1 outside the rotation track of the magnet 4, and a receiver 7 is attached to a handle 5 a above the transmitter 6.
[0015]
On the other hand, a generator 8 that performs a power generation operation in accordance with the rotation of the rear wheel 2b is attached to the rear wheel frame 5b.
That is, the transmitter 6 generates a rotation detection pulse signal of the front wheel 2 by electromagnetic induction when the magnet 4 passes by the side of the front wheel 2 along with the rotation R of the front wheel 2. The rotation detection pulse signal wirelessly transmitted from the transmitter 6 for each rotation is received by the receiver 7.
[0016]
The generator 8 comes into contact with the side surface of the rear wheel 2b and generates a voltage of a level according to the rotation state of the rear wheel 2b. The voltage signal generated by the generator 8 is directly received. Machine 7.
[0017]
A liquid crystal display unit 9 is provided on the upper surface of the receiver 7, and a size input key 10 for inputting a tire size and a crank length of the bicycle 1 is provided around the liquid crystal display unit 9. , An END key 12 operated to stop the operation, a display selection key 13 operated to select a display screen, and the like.
[0018]
The receiver 7 starts the operation of measuring the running time by the built-in timer when the generated voltage generated from the generator 8 reaches a preset voltage level. The running state (running time, running speed, running distance, etc.) of the bicycle 1 is measured and calculated based on the front wheel rotation detection pulse signal and the measured running time, and displayed on the liquid crystal display unit 9.
[0019]
In this case, the preset voltage level of the generated voltage generated by the generator 8 is the lowest voltage level generated when the rear wheel 2b is rotated by the actual riding, and after the pushing and walking steps. It is assumed that the voltage is higher than the minute voltage level generated by the rotation of the wheel 2b.
[0020]
FIG. 3 is a block diagram showing a configuration of an electronic circuit of the traveling state detecting device.
The receiver 7 of the traveling state detecting device is provided with a CPU 21. The CPU 21 is connected to a key input unit 22 (10, 11, 12, 13), a receiving unit 23, a timer circuit 24, a ROM 25, and a RAM 26. At the same time, the liquid crystal display unit 9 is connected via the display drive circuit 9a.
[0021]
The voltage signal from the generator 8 is supplied to a comparator 27. When the voltage signal reaches a reference voltage (a preset voltage level) supplied from a reference voltage unit 28, a comparator output “1” is sent to the CPU 21. Supplied.
[0022]
The key input unit 22 includes a size input key 10, a start key 11, an END key 12, a display selection key 13 and the like in FIG. Various key operation signals are supplied to the CPU 21.
[0023]
The receiving section 23 receives the rotation detection pulse signal of the front wheels 2 transmitted from the transmitter 6, and the rotation detection pulse signal received by the reception section 23 is supplied to the CPU 21.
[0024]
The timer circuit 24 operates to measure time according to a crystal oscillation signal of a predetermined cycle. The time signal from the timer circuit 24 is supplied to the CPU 21.
The ROM 25 stores in advance a system program of the traveling state detection device. The CPU 21 controls the operation of each circuit in accordance with the system program read from the ROM 25, and executes the measurement, calculation, and display processing of the traveling state. I do.
[0025]
The RAM 26 has a timer clock register 26 a for sequentially updating and storing travel time data that is started to be measured based on a clock signal from the timer circuit 24 when the comparator output “1” is supplied to the CPU 21. A display register 26b in which display data to be displayed is written and functions as a frame memory, and a tire size register 26c in which tire size data of the front wheels 2 input by operating the size input key 10 in the key input unit 22 are stored. The rotational speed register 26d in which the rotational speed of the front wheel is sequentially updated and stored based on the rotation detection pulse signal of the front wheel 2 input via the receiving unit 23 after the comparator output "1" is supplied to the CPU 21; The traveling distance of the bicycle 1 calculated by the CPU 21 based on the rotation speed and the tire size A traveling distance register 26e in which data is sequentially updated and stored, a traveling speed register 26f in which traveling speed data of the bicycle 1 calculated by the CPU 21 based on the traveling distance and the traveling time are sequentially updated and stored are provided. .
[0026]
The liquid crystal display unit 9 displays the tire size in response to the operation of the size input key 10 in response to the operation of the display selection key 13 in the key input unit 22, and stores the updated information in the timer clock register 26a of the RAM 26. The liquid crystal display unit 9 displays the displayed travel time data, the travel distance data stored in the travel distance register 26e, the travel speed data stored in the travel speed register 26f, and the like. The display is driven by the display control signal from the CPU 21 via the display drive circuit 9a in accordance with the data to be displayed.
[0027]
On the other hand, the running time of the bicycle 1 measured by the CPU 21 is determined by the timer circuit after the comparator output “1” corresponding to the power generation output of the generator 8 is supplied to the CPU 21, that is, after the actual riding travel is started. The clock is measured based on the clock data supplied by the timer 24, and is stored in the timer clock register 26a.
[0028]
Further, the traveling distance of the bicycle 1 calculated by the CPU 21 is determined after the comparator output “1” corresponding to the power generation output of the generator 8 is supplied to the CPU 21, that is, after the actual riding traveling starts. It is calculated based on the front wheel rotation speed counted and stored in the number register 26d and the front wheel tire size stored in the tire size register 26c in advance, and stored in the running distance register 26e.
[0029]
The running speed of the bicycle 1 calculated by the CPU 21 is calculated based on the running time updated and stored in the timer clock register 26a and the running distance updated and stored in the running distance register 26e. It is memorized.
[0030]
Next, the operation of the traveling state detecting device having the above configuration will be described.
FIG. 4 is a flowchart showing a traveling mode process in the traveling state detecting device.
[0031]
That is, when the user operates the start key 11 to start running the bicycle 1, it is determined whether or not the comparator 27 outputs the comparator output "1" from the comparator 27 to the CPU 21, that is, after the actual riding travel. It is determined whether or not the generated voltage of the generator 8 according to the rotation operation of the wheel 2b has been generated (step S1 → S2).
[0032]
In this case, even if the start key 11 is operated, for example, in a state where the rear wheel 2b is rotated by pushing and walking, the generated voltage level of the generator 8 is set to a predetermined reference voltage supplied from the reference voltage unit 28. The voltage does not reach, and the output of the comparator 27 is held at "0". At this time, although the running time data is read from the timer clock register 26a of the RAM 26 and the time display process for displaying the data on the liquid crystal display unit 9 is executed, the running time measurement process is not started. (Step S2 → S4).
[0033]
Further, when the output of the comparator 27 is “0” and the running time is not measured, the counting process of the front wheel rotation detection signal supplied via the receiving unit 23 is not performed, and is stored in the rotation speed register 26 d in the RAM 26. Since the rotation speed of the front wheels is maintained at "0", the calculation processing of the traveling distance and the traveling speed is not executed.
[0034]
When the push-walk is continued without the END key 12 being operated, the processing of S2 → S4, S5 is repeatedly executed, and the display traveling time is maintained at “0h”.
[0035]
Thereafter, when the user actually gets on the vehicle and starts running, the voltage generated from the generator 8 according to the rotation of the rear wheel 2b is set to a predetermined reference voltage supplied from the reference voltage unit 28. As described above, when the output of the comparator 27 becomes "1", the processing of measuring the running time based on the time measurement data from the timer circuit 24 is started, and the running time data is sequentially updated and stored in the timer measurement register 26a in the RAM 26. At the same time, the information is displayed on the liquid crystal display unit 9 (step S2 → S3).
[0036]
In this case, the counting process of the front wheel rotation detection signal supplied via the receiving unit 23 is also started, and the front wheel rotation speed is updated and stored in the rotation speed register 26d, so that the front wheel rotation speed and the tire size register 26c are stored in advance. The traveling distance is calculated based on the determined front wheel tire size, stored in the traveling distance register 26e, and displayed on the liquid crystal display unit 9.
[0037]
At the same time, the traveling speed is calculated based on the traveling time updated and stored in the timer clock register 26a and the traveling distance updated and stored in the traveling distance register 26e, and is stored in the traveling speed register 26f and the liquid crystal display is displayed. It is displayed on the unit 9.
[0038]
On the other hand, when the user gets off the bicycle 1 and stops or pushes or walks, and the output of the comparator 27 becomes “0” again, the processing for measuring the running time, the processing for calculating the running distance and the running speed are performed. Is stopped, and the running time and the running distance stored and held in the RAM 26 at that time are kept displayed (steps S2 → S4, S5).
[0039]
Thereafter, when the actual boarding starts, the output of the comparator 27 becomes "1", so that the interrupted running time measurement process, the running distance and the running speed calculation process are resumed, and the RAM 26 is restarted. Are updated and stored in the corresponding registers 26a, 26e, 26f, and are displayed on the liquid crystal display unit 9 (steps S2 → S3 → S4, S5).
[0040]
When the END key 12 is operated, for example, when the user arrives at the destination, the measurement and calculation processing of each running state is stopped and stored in the corresponding register 26a, 26e, 26f in the RAM 26. Data such as the running time and the running distance are cleared (step S5 → S6).
[0041]
Therefore, according to the traveling state detection device having the above-described configuration, the rotation state of the rear wheel 2b at which the user has actually started riding is generated by the generator 8 that generates a voltage corresponding to the rotation of the rear wheel 2b. It is determined that the voltage has reached the preset reference voltage supplied from the reference voltage unit 28 and the output of the comparator 27 has become “1”, and the traveling time is measured based on the time measurement data from the timer circuit 24. The front wheel rotation speed counting process based on the front wheel rotation detection signal received by the reception unit 23, the traveling distance calculation process based on the front wheel rotation speed, and the traveling speed calculation process based on the traveling distance and the traveling time are started. Since each traveling state data is updated and stored in each corresponding register in the RAM 26 and is displayed on the liquid crystal display unit 9, for example, before the vehicle actually starts riding and traveling. The running time, running distance, and running speed measurement and calculation processing are not started with the pushing and walking of the bicycle 1, but the exact running time and running distance after actually riding and starting running. , Running speed can be obtained.
[0042]
【The invention's effect】
As described above, according to the first traveling state detection device of the present invention, when a generator voltage corresponding to the rotation of the wheels accompanying actual traveling is generated , the traveling state is measured and displayed. Become.
[0043]
Further, in the second traveling state detection device of the present invention, when a generator voltage is generated according to the rotation of the wheels during actual traveling , the traveling time, traveling distance, and traveling speed are measured and displayed. become.
[0044]
Further , according to the traveling state detection control method of the present invention, when a voltage corresponding to the rotation of the wheels during actual traveling is generated , the traveling state is measured and displayed.
[0045]
Therefore, it is possible to accurately measure and display the running state after actually riding the vehicle without starting the measurement of the running state from the point in time when the start key is operated.
[Brief description of the drawings]
FIG. 1 is a side view showing an external configuration of a bicycle on which a traveling state detection device according to one embodiment of the present invention is mounted.
FIG. 2 is a diagram showing an external configuration of various signal transmission units and a receiver of the traveling state detection device.
FIG. 3 is a block diagram showing a configuration of an electronic circuit of the traveling state detection device.
FIG. 4 is a flowchart showing a traveling mode process in the traveling state detecting device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Bicycle, 2a ... Front wheel, 2b ... Rear wheel, 3 ... Spoke, 4 ... Magnet, 5 ... Front wheel frame, 5a ... Steering wheel, 5b ... Rear wheel frame, 6 ... Transmitter, 7 ... Receiver, 8 ... Generator , 9: liquid crystal display section, 9a: display drive circuit, 10: size input key, 11: start key, 12: END key, 13: display selection key, 21: CPU, 22: key input section, 23: receiving section, 24: timer circuit, 25: ROM, 26: RAM, 26a: timer clock register, 26b: display register, 26c: tire size register, 26d: rotational speed register, 26e: mileage register, 26f: running speed register, 27 ... Comparator, 28: Reference voltage section.

Claims (3)

Rotation detection means for detecting the rotation of wheels that cause the traveling body to travel,
Traveling state measuring means for measuring a traveling state of the traveling body when a rotation detection level of the wheel detected by the rotation detecting means reaches a preset rotation level;
Display means for displaying the traveling state of the traveling body measured by the traveling state measuring means,
The running state detecting device is characterized in that the rotation detecting means is a generator that generates a voltage according to the rotation of a wheel, and the rotation detection level is the generated voltage level. 2. The traveling state detecting device according to claim 1, wherein the traveling state measuring means is means for measuring a traveling time, a traveling distance, and a traveling speed of the traveling body. A traveling state detection control method for using a traveling state detection device that detects a traveling state of a traveling body traveling with rotation of a wheel,
A rotation detection step of detecting rotation of a wheel that causes the traveling body to travel,
When the rotation detection level of the wheel detected by the rotation detection step reaches a preset rotation level, a traveling state measurement step of measuring a traveling state of the traveling body,
A display step of displaying the traveling state of the traveling body measured by the traveling state measurement step,
The rotation detecting step is a step of generating a voltage in accordance with the rotation of a wheel, and the rotation detection level is the generated voltage level.

Images