JPH11325874A - Apparatus for measuring line length of fishing reel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable correcting using low cost and simple structured arithmetic unit even if preset correlation deviates by memorizing the correlation between the line length per unit turn of spool and rotation position data with a linear function of the line length per unit rotation of the line as a segment at specified line winding diameter. SOLUTION: A water depth indicator 5 and reel controller are disposed in an upper part of a counter case, and a PWM drive circuit 31 for a motor 12 is disposed in a lower part. A spool sensor 41 detects two magnets of a magnet wheel to generate detection pulses, the spool counter 42 counts the on-off times of the spool sensor 41 according to the detection pulses to obtain rotation position data about the spool revolutions, a memory 43 stores data representing the correlation between the spool revolutions and line length per unit spool rotation as a linear function, and, when the spool 10 rotates, data stored in the memory 43 are read at specified timings and the linear line is integrated to obtain the line length.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a line length measuring device, and more particularly to a line length measuring device for a fishing reel for measuring the length of a fishing line fed from a spool of a fishing reel or wound on the spool. .

[0002]

2. Description of the Related Art There are known fishing reels such as dual-bearing reels and single-bearing reels which are provided with a water depth display device for displaying the water depth of a tackle according to the length of fishing line unwound from a spool. 2-107908). By providing this water depth display device, the device can be accurately lowered to the same shelf position, and the flight distance of the device can be displayed at the time of casting and fishing.

[0003] This type of water depth display device includes a yarn length measuring unit that measures the length of the yarn unwound from the spool when the spool rotates, and a liquid crystal display that displays the water depth based on the yarn length measured by the yarn length measuring unit. And a water depth indicator. The yarn length measuring unit calculates the yarn length from the number of rotations of the spool. The spool diameter of the spool changes according to the number of rotations and the thickness of the spool from the start of spooling, and the thread length per one rotation of the spool changes according to the spool diameter. Therefore, conventionally, the yarn length is calculated from the spool rotation speed in consideration of the spool rotation speed and the thickness of the yarn.

[0004] Specifically, a line length detector contacting the outer periphery of the fishing line winding portion of the spool is mounted on the reel, and when the fishing line is wound around the spool, the actual line length measured by the line length detector is compared with the actual line length. The relationship with the number of rotations of the spool is learned, and the relationship is stored in a memory inside the device. At the time of fishing, the line length detector is removed, the relationship between the spool rotational speed and the line length is read from the memory, and the line length is calculated from the spool rotational speed.

[0005]

In the above-mentioned conventional configuration,
Since the yarn length is calculated in consideration of the change in the winding diameter due to the spool rotation speed and yarn thickness, the error between the actual length and the calculated yarn length is calculated when the yarn length is calculated directly from the spool rotation speed. Will be slightly smaller than. However, when tension is actually applied to the fishing line, the gap between the fishing lines wound on the spool is reduced, the line length per rotation of the spool is reduced, and the spool is rotated extra to wind a line of the same line length. I have to. That is, when a tension acts on the fishing line, the relationship between the spool rotation speed and the actual line length becomes different from the relationship stored in the memory, and the displayed line length becomes longer than the actual line length.

Therefore, Japanese Patent Application Laid-Open No. 9-23642 discloses a technique for correcting the correlation between the number of rotations of the spool and the length of the line per unit rotation when the indication of the water depth shifts due to tension acting on the fishing line.
No. 8 discloses this. In the correction technique disclosed in this publication, the correlation between the rotational position data per unit rotation of the spool and the line length is learned, and the deepest position where the fishing line is drawn out most after learning is stored, and the correlation from the deepest position is determined. Has been corrected. At the time of correction, the correlation is changed by an equation that models the deformation of the spool cross section due to the action of tension. For this reason, correction can be performed from the point where the correlation has actually fluctuated due to the action of tension, and accurate tension correction can be performed using a modeled equation.
However, when such a tension correction is performed, the amount of data for the correction becomes large, and the arithmetic expression becomes complicated, so that the configuration of the arithmetic device becomes complicated and expensive.
An object of the present invention is to make it possible to correct even a predetermined correlation that is deviated due to the action of tension on a fishing line or the like by an arithmetic unit having a simple and inexpensive configuration.

[0007]

According to a first aspect of the present invention, there is provided a fishing reel line length measuring apparatus for measuring the length of a fishing line unwound from or wound on a spool of a fishing reel. The yarn length measuring device includes a rotational position data detecting unit, a relation storage unit, a yarn length calculating unit, and a tilt changing unit. The rotational position data detecting means is means for detecting rotational position data of the spool. The relation storage means is means for storing a correlation between the line length per unit rotation of the spool and the rotation position data as a linear function using the line length per unit rotation of the fishing line at a predetermined line diameter as an intercept. The line length calculating means is means for calculating the length of the fishing line based on the rotation position data detected by the rotation position data detecting means and the linear function stored in the relation storage means. The slope changing means is means for changing the slope from the intercept of the linear function stored in the relation storage means.

In this line length measuring device, the length of the fishing line is calculated based on the correlation between the line length per unit rotation of the spool and the rotational position data stored in the relation storage means in the form of a linear function. Then, when the correlation of the stored linear function changes due to the tension or the like acting on the fishing line, correction is performed by changing the inclination from the intercept by the inclination changing means.
Here, since the correction can be performed by a calculation process only by changing the inclination from the intercept, even if the correlation between the yarn length per unit rotation and the rotation position data changes, the calculation process for the correction becomes simple and inexpensive. Thus, the correction can be performed by the arithmetic unit having a simple configuration.

According to a second aspect of the present invention, in the fishing line length measuring device according to the first aspect, when the fishing line is wound on the spool, the predetermined length of the fishing line and the rotation position data detecting means are detected at a substantially final winding portion. A relation learning means for learning a measurement relation with the result; and a relation calculation means for obtaining a correlation between the yarn length per unit rotation of the spool and the rotation position data based on the measurement relation, wherein the storage means has a relation calculation. The correlation calculated by the means is stored.

In this case, when the fishing line is wound on the spool, the measurement relationship between the predetermined length of the fishing line at the substantially final winding portion and the detection result of the rotation position data detecting means, that is, with respect to the line winding diameter at the final winding portion. Learn the yarn length per unit rotation of the spool, and based on this measurement relationship,
A correlation between the yarn length per unit rotation of the spool and the rotation position data with respect to the yarn winding diameter that becomes gradually thicker from the beginning of winding is obtained, and this correlation is stored in the relationship storage means. Then, the correlation is read out, and the yarn length is calculated from the rotational position data of the spool. Here, it is possible to calculate the relationship between the spool rotation position data, which varies depending on the yarn winding diameter, and the yarn length only by learning about the short predetermined length of the substantially final winding portion, without having to install the yarn length detector. , Yarn length can be measured. Moreover, since the line length is calculated by learning, the line length can be measured without being limited to the type of fishing line.

A fishing reel line length measuring device according to a third aspect of the present invention is the fishing reel line length measuring device according to the second aspect, wherein the relation learning means is configured to output the fishing line by a predetermined length after winding or when the fishing line is further wound up. A first receiving unit that receives the first rotation position data of the spool detected by the rotation position data detection unit;
A rotational position data receiving unit, wherein the relation calculating unit receives the second rotational position data of the spool detected by the rotational position data detecting unit from the start of the winding of the fishing line to the spool until the end of the winding; A data receiving unit, a bobbin diameter receiving unit for receiving a bobbin diameter at the start of winding, and a linear approximation unit for approximating a correlation between the first and second rotational position data, the predetermined length and the bobbin diameter to a linear function. Have.

In this case, the unit rotation of the spool relative to the line diameter in the vicinity of the final winding portion is determined by the first rotation position data when the fishing line has been wound out or wound up for a predetermined length after the winding of the fishing line around the spool is completed. Find the thread length per hit. Focusing on the fact that the correlation between the yarn length per unit rotation of the spool and the spool rotation position data reverts to a linear line with the thread length by the yarn winding diameter at the start of winding as an intercept, from the start of winding to the end of winding The second rotation position data, that is, the total number of rotations of the spool,
The inclination of the primary straight line is calculated based on the first rotation position data, the predetermined length, and the yarn winding diameter at the start of winding, and the correlation between the yarn length per unit rotation and the spool rotation position data is approximated to a primary straight line. Then, by integrating the primary straight line from the start of winding to the portion indicated by the rotational position data, the yarn length is obtained from the rotational position data. Here, since the thread length is calculated from the rotational position data by arithmetic processing paying attention to the fact that the correlation returns to a linear line, the arithmetic processing is easy, and the yarn length can be instantaneously measured from the rotational position data.

According to a fourth aspect of the present invention, in the fishing line length measuring apparatus according to the third aspect, the inclination changing means includes an inclination change receiving means for receiving the inclination change, and a tilt change receiving means for receiving the inclination change. A second rotation position data changing means for changing the second rotation position data to the rotation position data detected by the rotation position data detection means, and after the inclination change is received, the first rotation position data obtained by the relation learning means. The inclination from the intercept is changed by a linear function approximated by the linear approximation means using the rotational position data, the changed second rotational position data, the predetermined length, and the thread diameter. In this case, since the inclination is calculated by the relation calculating means used to calculate the correlation stored in the storage means, no special processing is required for the inclination changing processing.

A fishing reel line length measuring device according to a fifth aspect of the present invention is the fishing line length measuring device according to the first aspect, wherein the relation storage means includes:
The correlation is stored in advance. In this case, since the correlation is stored in the relation storage means without learning,
The trouble of memorizing can be saved.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An electric reel adopting an embodiment of the present invention shown in FIG. 1 is a reel having a water depth display portion for displaying a water depth by a line payout length (or a line winding length). The electric reel includes a reel body 1 mounted on a fishing rod R, a spool rotation handle 2 arranged on the side of the reel body 1, and a drag for drag adjustment arranged on the reel body 1 side of the handle 2. 3 is mainly provided.

The reel body 1 comprises a pair of left and right side plates 7a, 7
b and a plurality of connecting members 8 for connecting them, and right and left side covers 9 covering left and right of the frame 7
a, 9b. Handle 2 side (right side in FIG. 1)
The rotating shaft of the handle 2 is rotatably supported on the side cover 9b, and the power cord 18 for connecting an external power supply PS is connected to the side cover 9a on the side opposite to the handle 2 (left side in FIG. 1). Connector 19 is provided.

Inside the reel body 1, a spool 10 connected to the handle 2 is rotatably supported. A DC-driven motor 12 that drives the spool 10 to rotate in the line winding direction is disposed inside the spool 10. An operation lever 11 of a clutch (not shown) for turning on / off the drive transmission between the handle 2 and the motor 12 and the spool 10 is arranged on the handle side surface of the reel body 1. When the clutch is turned on, the yarn feeding operation can be stopped during the yarn feeding by the own weight of the device.

As shown in FIGS. 2 and 3, a level wind mechanism 13 which operates in conjunction with the spool 10, a magnet wheel 14 which rotates in conjunction with the spool 10, and a handle 2 are provided inside the reel body 1. Rotation of spool 10
A transmission mechanism (not shown) for transmitting the power to the vehicle is provided.
The magnet wheel 14 is, as shown in FIG.
Is rotatably supported by the side plate 7a. The magnet wheel 14 is formed with a gear portion 14a and a magnet portion 14b adjacent to the gear portion 14a. This magnet part 14b has 1
Two magnets 14c are mounted at an interval of 80 degrees. The gear portion 14a meshes with a spool gear (not shown) formed on the spool 10 via an intermediate gear (not shown). As a result, the magnet wheel 14 rotates in the same direction as the spool 10 in conjunction with the spool 10.

A counter case 4 is fixed to the upper part of the reel body 1 as shown in FIGS. As shown in FIG. 3, the counter case 4 is disposed above the reel body 1 and has a display window 20a on the upper surface and a first opening 20b on the lower surface.
Body 20 in which each is formed, and case body 2
And a bottom lid member 21 that closes the first opening 20b of the first opening.

The case body 20 is, for example, a synthetic resin molded product in which 6 nylon is reinforced with glass fiber, and has a smooth outer peripheral surface continuously curved above the reel body 1. The display window 20a is closed by a display window 22 made of a transparent resin. A rectangular cylindrical wall portion 20c that can form a box-shaped space is formed inside the case body 20, and a bottom portion thereof is a first opening 20b.

The bottom cover member 21 is a plate-like member obtained by molding a conductive metal such as an aluminum alloy.
It is attached to the case body 20 by screws. The bottom cover member 21 has second and third openings 21a and 21b formed at an interval on the left and right. In a region between the openings 21a and 21b of the bottom cover member 21, a protruding portion 21c protruding downward is formed. As shown in FIG.
Is a circular opening, and is closed by a circular lid member 23. The third opening 21 b is a rectangular opening formed at a position facing the magnet wheel 14, and is closed by the rectangular lid member 24. These two lid members 2
Numerals 3 and 24 are members made of synthetic resin, and are attached to the bottom lid member 21 from inside by screws.

A rubber packing 25, for example, is mounted between the bottom cover member 21 and the first opening 20b of the case body 20 to prevent water from entering the counter case 4 from between them. ing. Further, packings 26 and 27 are respectively mounted between the second opening 21a and the third opening 21b and the lid members 23 and 24 for the same purpose.
The inside of the counter case 4 is sealed watertight from the outside by the packings 25 to 27.

As shown in FIG. 4, a liquid crystal display is provided on the upper surface of the counter case 4 for displaying the water depth and shelf position of the device through the display window 22 based on two references, that is, from the water surface and from the bottom. The water depth display unit 5 faces, and an operation key unit 6 is provided around the water depth display unit 5. The water depth display section 5 has a 4-digit 7-segment depth display area 5a arranged in the center, a 3-digit bottom depth display area 5b arranged therebelow, and a water depth display area 5a arranged on the right side of FIG. Speed-gear number display area 5c. Also,
In the water depth display section 5, "from bottom", "learning", "designation",
Eight characters of "lower volume", "correction", "input", "thread feed stop", and "0 set" can be displayed. The character “from bottom” is displayed when the depth display mode is the bottom mode.
The bottom mode is a mode in which the water depth of the device is displayed on the basis of the bottom. Usually, the water depth of the device is displayed based on the water surface (mode from the top). The characters from "learning" to "input" indicate the type of the pincushion mode, and when any one of them is alternatively selected, the character of the selected pincushion mode is displayed.

The operation key section 6 includes a shift key SK and a motor key PW arranged vertically on the right side of the water depth display section 5 in FIG. 1, and a bottom memo key SM arranged vertically on the right side.
And a mode key MD. Motor key PW
Is a toggle switch for turning on and off the motor 12 and increasing the speed of the motor 12 according to the on-time.

The shift key SK is a key for increasing or decreasing the speed of the driven motor 12, and is a seesaw type switch having two switches, upper and lower, and a neutral position. When the upper switch of the shift key SK is pressed, the speed is increased, and when the lower switch is pressed, the speed is reduced. When the upper switch is pressed for a predetermined time or more when the motor 12 is not driven, the display mode can be switched between “from above” and “from the bottom”. When the lower switch is pressed for a predetermined time or more, the line feed mode (a mode in which the motor 12 is driven with the clutch disengaged at the time of feeding to increase the line feed speed) can be turned on / off.

The bottom memo key SM is a switch that is pressed when the device reaches the bottom, and the water depth at that time is set as the bottom. When the bottom memo key SM is pressed for a predetermined time or more, the zero point of the water depth display can be set to a new position when the fishing line breaks. The mode key MD is a switch for setting five kinds of pincushion modes. For example, when this key is pressed once, the learning mode is set. When the key is pressed twice, the designated mode is set. The mode is set to the correction mode when pressed continuously four times, and the pincushion mode is set to the input mode when pressed continuously five times. Here, in the learning mode, the fishing line whose diameter and length are unknown
This is a line winding mode that is used when winding around a fishing line. The correlation between the spool rotation speed at the final part of line winding and the line length per rotation of the spool is learned, and the line rotation speed and line length per rotation over the entire length of the fishing line. This is the mode used to find the relationship with The designated mode is the storage unit 4
This mode is used when winding the number and length of fishing line prepared in No. 3 around a spool. The lower winding mode is a mode used when winding an unknown fishing line after winding a lower line to a line diameter specified in advance. In the lower winding mode, learning is performed basically in the same way as in the learning mode except that the thread winding diameter is different. The correction mode is
This mode is used to correct the displacement when the display is displaced due to tension or the like, and is a mode configured to be able to recalculate the inclination of the entire primary line obtained in the learning mode. The input mode is a mode configured so that the total rotation number of the spool and the predetermined distance let-out distance can be arbitrarily edited.

As shown in FIG. 2, a water depth display unit 5 and a reel control unit 30 for performing display control and motor control are arranged in the upper part of the counter case 4. A PWM for driving the motor 12 by PWM is provided at a lower portion in the counter case 4.
A drive circuit 31 is provided. Counter case 4
A buzzer 40 and a spool sensor 41 are arranged in the lower part inside.

The reel control unit 30 includes a microcomputer including a CPU, a RAM, a ROM, an I / O interface, and the like arranged in the counter case 4.
The reel control unit 30 performs various control operations such as display control of the water depth display unit 5 and motor drive control according to the control program. As shown in FIG. 5, the reel control unit 30 includes:
Various keys of the operation key unit 6, a spool sensor 41 for detecting the rotation direction and the number of rotations (rotational position data) of the spool 10, and a spool counter 42 are connected. The reel control unit 30 includes a buzzer 40 and a PWM.
The drive circuit 31, the water depth display unit 5, the storage unit 43, and other input / output units are connected.

The PWM drive circuit 31 includes an FET 32 as a drive element for driving the motor 12.
The PWM drive circuit 31 variably drives the speed of the motor 12 with the duty ratio controlled by the reel control unit 30. The spool sensor 41 is composed of two reed switches 41a and 41b arranged side by side as shown in FIG. The reed switches 41a and 41b are
As shown in FIG. 3, it is arranged facing the lid member 24.
The reed switches 41a, 41b detect two magnets 14c, 14c mounted on the magnet wheel 14. The number of rotations of the reel can be detected by counting the detection pulses by the spool counter 42. Further, the rotation direction of the spool 10 can be detected based on which of the reed switches 41a and 41b has issued the detection pulse first.

The spool counter 42 is a counter for counting the number of times the spool sensor 41 is turned on and off, and rotational position data relating to the number of rotations of the spool is obtained from the counted value SP. When the spool 10 rotates forward (rotation in the line payout direction), the count value of the spool counter 42 decreases.
It increases when reversed. The storage unit 43 stores, for example, EEPRO
It is composed of a non-volatile memory such as M, and stores data of learning results, various data used when calculating the yarn length, and the like.

Next, the outline of the yarn length calculating method in the present embodiment will be described. In the present invention, the yarn length L is calculated using the fact that the relationship between the yarn length Y per spool rotation and the spool rotation speed X can be approximated to a linear line.
It is assumed that the fishing line whose thickness and total length are unknown is wound in layers from the line winding diameter Bmm on the spool 10, and that all the fishing lines have been wound by the c rotation. Next, it is assumed that when the Smm fishing line is unwound from this state, the spool 10 has rotated d times.

Now, the relationship between the spool rotation speed X and the yarn length per rotation of the spool Y is plotted on the horizontal axis.
Can be defined by a linear line if the yarn length per one rotation of the spool is taken on the vertical axis, and if the inclination is A, it can be expressed by the following equation. Y = AX + Bπ (1) Therefore, a graph showing the relationship between the spool rotation speed X and the yarn length Y per one rotation of the spool is as shown in FIG.

Now, the yarn length per rotation of the spool when the spool 10 rotates c is Y (c), after winding c rotations, the yarn is extended by a predetermined length S, and the yarn length per rotation of the spool when rotation d is performed. If the length is Y (cd), these can be expressed as follows. Y (c) = A · c + Bπ (2) Y (cd) = A · (cd) + Bπ (3) In the graph shown in FIG. 6, the area of the trapezoid indicated by hatching indicates the thread payout length after winding is completed. Since the length S corresponds to the length S, the thread payout length S can be expressed as follows.

S = d · {Y (c) + Y (cd)} / 2 (4) By substituting equations (2) and (3) into equation (4), S = d · {A · c + Bπ + A · (Cd) + Bπ｝ / 2 = d · ｄA · (2c−d) + 2Bπ｝ / 2 (5) When the equation (5) is solved for the slope A, the following is obtained.

A = 2 (S−Bπd) / d (2c−d) (6) Accordingly, the inclination A of the linear line is obtained by substituting the four data S, B, c, and d into the equation (6). We can see that we can do it. For example, if the spool 10 is wound at 2000 rotations from the beginning of winding and the spool is rotated 60 times when it is fed out 10 m from the spool, and if the spool bobbin diameter (thread winding diameter) of the spool 10 is 30 mm, the inclination A of the primary straight line is Is as follows.

A = 2 (10000−94.2 * 60) / 60 (2 * 2000−60) = 0.0368 Then, if the approximate linear line of the slope A and the intercept Bπ can be determined, the calculated slope A and The storage section 43 stores the intercept Bπ, the total number of rotations c, the yarn length at the current number of rotations, and the number of rotations of 0 set (initially, the total number of rotations). When the spool 10 rotates at the time of actual fishing, the stored data is read out at a predetermined timing (for example, every 20 rotations of the spool), and the primary line is integrated (area calculation processing) to obtain the line length LN at that time. be able to. And the water depth of the device based on the obtained line length LN (water depth at the tip of the fishing line)
Is displayed on the water depth display unit 5.

Next, a specific control process performed by the reel control unit 30 will be described with reference to a control flowchart shown in FIG. When the electric reel is connected to the external power supply PS via the power cord 18, initialization is performed in step S1. In this initial setting, the spool counter 42
Reset the count value, reset various variables and flags, and set the water depth display mode to the mode from above.

Next, in step S2, display processing is performed. In the display processing, various kinds of display processing such as water depth display are performed. Here, in the mode from the top, the water depth reference water depth is displayed in the water depth display area 5a. When the bottom position is set by the bottom memo key SM, the bottom position is displayed in the bottom water depth display area 5.
b. In step S3, it is determined whether any key of the operation key unit 6 has been pressed. In step S4, it is determined whether the spool 10 is rotating. This determination is made based on the output of the spool sensor 41. In step S5, it is determined whether another command or input has been made.

If a key input is made, step S3
Then, the process shifts to step S6 to execute a key input process.
If the rotation of the spool 10 is detected, the process proceeds from step S4 to step S7. In step S7, each operation mode process is executed. If another command or input has been made, the process shifts from step S5 to step S8 to execute another process.

In the key input process of step S6, it is determined whether or not the winding mode has been set in step S11 of FIG. This determination is made based on whether or not the mode key MD has been pressed. In step S12, it is determined whether or not the motor key PW has been pressed. In step S13,
It is determined whether or not the up switch of the shift key SK is pressed. In step S14, it is determined whether or not the down switch of the shift key SK has been pressed. In step S15, it is determined whether another key has been operated. The operation of the other keys includes the operation of each key for a predetermined time or more in addition to the bottom memo key SM.

When the mode key MD is pressed, a step S1 is executed.
The process moves from step 1 to step S16. In step S16, the pin winding mode is executed. The winding modes are a learning mode, a designation mode, a lower winding mode, a correction mode, and an input mode, as described above. When the motor key PW is pressed, the process moves from step S12 to step S17. In step S17, a motor control process is performed. In this motor control process, when the motor 12 is not rotating,
When the motor key PW is pressed, the motor 12 is turned on, and the duty ratio is gradually increased by the ON time of the motor key PW to increase the rotation of the motor 12. When the motor 12 is rotating, the motor 12 is turned off. When the motor key PW is released during rotation of the motor 12, the rotation of the motor key PW is maintained. This is the same for the shift key SK.

When the upper switch of the shift key SK is pressed,
The process moves from step S13 to step S18. In step S18, the rotation of the motor 12 is increased by gradually increasing the duty ratio by the ON time. Shift key S
When the lower switch of K is pressed, the process moves from step S14 to step S19. In step S19, the rotation of the motor 12 is reduced by gradually reducing the duty ratio by the ON time.

When another key input is made, step S1 is executed.
From 5, the process proceeds to step S <b> 20, and performs another key process according to the operated key input such as setting to the bottom shelf value of the current water depth. In the bobbin winding mode process of step S16, it is determined whether or not the learning mode is set in step S21 of FIG. In step S22, it is determined whether the mode is the correction mode. In step S23, it is determined whether or not the lower winding mode is set.
If the determination in step S24 is "NO", the flow shifts to step S24 to execute another pincushion mode such as a designation mode or an input mode.

If it is determined that the mode is the learning mode, step S21 is executed.
Then, the process shifts to step S31 to determine whether or not the yarn winding has been started. This determination is made by detecting that the spool 10 has started to rotate by the spool sensor 41. In step S32, it is determined whether or not the yarn winding has been completed. This determination is made based on whether a predetermined key operation (for example, an operation of the bottom memo key SM for a predetermined time or more) has been performed. After the winding of the line is completed, for example, a 10 m fishing line is paid out to learn the relationship between the spool rotation speed and the line length per one rotation of the spool. In step S33, it is determined whether or not the 10 m feeding is completed. I do. This determination is also made based on whether a predetermined key operation has been performed. In addition, for example, 10m
When the coloring is different for each fishing line, the above-mentioned feeding operation can be performed, but coloring may not be performed depending on the fishing line. In such a case, the learning process may be performed by tying a 10 m fishing line to the tip and winding the 10 m fishing line further. If the payout has not been completed,
It returns to step S31.

When the yarn winding is started, the process moves from step S31 to step S34. In step S34, the spool rotation speed X is increased according to the value of the spool counter 42. For example, when the spool sensor 41
When 10 pulses are output per rotation and the spool counter 42 increases by 10 per rotation of the spool, when the spool counter 42 increases by 10, the spool rotation speed X increases by one.

When the rotation of the spool 10 is stopped after the winding of the yarn is completed, the process proceeds from step S32 to step S35. In step S35, the spool rotation speed X at the time of completion of the winding is set to the total rotation speed c. Step S3
At 6, the spool rotation speed X is set according to the fishing line payout.
Will be reduced. As in the case of step S34, when the spool counter 42 decreases by 10, for example, the spool rotation speed X is decreased by one.

When the yarn feeding is completed, the process proceeds from step S33 to step S37. In step S37, the spool rotation speed X reduced by the feeding is subtracted from the spool total rotation speed c, and the subtraction value is set to the feeding rotation speed d. The payout rotation speed d is the rotation speed of the spool 10 when the 10 m fishing line is paid out. Step S38
Then, the thread winding diameter Bπ and the feeding length S are read from the storage unit 43. These two data are stored in the storage unit 43 in advance.
Has been written to. In step S41 of FIG.
From the obtained four data c, d, Bπ, and S, the slope A of the approximate linear line is obtained by the above equation (6), and the approximate linear line is calculated. Thereby, the correlation between the spool one rotation length Y and the spool rotation speed X over the entire length of the fishing line whose line diameter and length are unknown is determined.

In step S42, the obtained primary straight line is integrated at the point of the total number of rotations c to calculate a yarn length LN from the winding start to the winding end. Then, the yarn length LN is set to 0
Set to. In step S43, the total rotation number c, the intercept Bπ, the obtained inclination A, and the yarn length LN are stored in the storage unit 43. When these processes are completed, the process returns to the key input routine.

If it is determined that the mode is the correction mode, step S2
From step 2, the process proceeds to step S35, in which the spool rotational speed X at that time is set to the total rotational speed c, and the processing after step S36 is executed. As a result, the processing described above is executed,
Even if the previously learned correlation is deviated due to the action of tension or the like, the inclination of the primary straight line can be corrected by learning only the final part without learning the entire fishing line.

When it is determined that the mode is the lower volume mode, step S23 is performed.
Then, control goes to a step S25. In step S25,
The value of the intercept Bπ is changed to B1π. The bobbin diameter B1 is shown in FIG.
As shown in the figure, a ring is marked on the flange portion 10a of the spool 10. When the bobbin thread is wound up to the thread winding diameter B1, a fishing line having a diameter smaller than that of a normal fishing line can be wound to a specified length. For example, No. 8 fishing line is 200m
When the spool is wound around the bobbin trunk, the fishing line is wound up to the edge of the flange portion 10a.
When the bobbin thread is wound up to No. 1, the No. 6 fishing line is
It can be wound 200 m to the edge of 0a. When the intercept is changed to B1π, the flow shifts to step S31 to wait for the start of winding. In the lower winding process, the lower line is wound to the designated line diameter, and then used to learn the fishing line having a different diameter by changing the section.

In each operation mode process in step S7, it is determined in step S51 in FIG. 11 whether or not the rotation direction of the spool 10 is the line feeding direction. This determination is made based on which of the reed switches 41a and 41b of the spool sensor 41 has emitted the pulse first. Spool 10
If it is determined that the rotation direction is the line feeding direction, step S5
The process moves from step 1 to step S52. In step S52, the spool rotation speed X is decreased by one. This step is the same as step S36 in FIG. Step S
At 53, every time the number of rotations decreases, the storage unit 4
3 is read, and the water depth LX is calculated. This water depth is displayed in the display processing of step S2.
In step S53, it is determined whether or not the obtained water depth LX matches the bottom position, that is, whether or not the device has reached the bottom. The bottom position is set in the storage unit 43 by pressing the bottom memo key SM when the device reaches the bottom as described above. In step S54, it is determined whether the mode is another mode. If the mode is not another mode, each operation mode process is ended and the process returns to the main routine.

When the water depth matches the bottom position, step S53
Then, the process proceeds to step S55, and the buzzer 40 is sounded to notify that the device has reached the bottom. In the case of another mode, the process shifts from step S54 to step S56 to execute another designated mode. When the rotation of the spool 10 is determined to be in the line winding direction, the process proceeds from step S51 to step S57. In step S57, the number of rotations of the spool is increased by one. In step S58, the data stored in the storage unit 43 is read from the spool rotation speed X each time the water depth increases, and the water depth LX is calculated. This water depth is displayed in the display processing of step S2. Step S59
Then, it is determined whether or not the water depth coincides with the hull stop position. If the reel has not been wound to the hull stop position, the process returns to the main routine. Step S when reaching the hull stop position
The process moves from step 59 to step S60. In step S60, the buzzer 4 is used to notify that the device is on the hull.
Sounds 0. In step S61, the motor 12 is turned off. As a result, the fish is arranged at a position where it can be easily taken in when the fish is caught. This hull stop position is, for example, at a depth of 6
This is set when the spool 10 has stopped for a predetermined time or longer within m.

In this case, since the learning for correcting the relationship between the unknown fishing line and the number of spool rotations of the fishing line is performed only for the short line length of the substantially final bobbin portion of the fishing line, a line length detector is mounted. The yarn length can be measured without the need. In addition, even if the displayed value deviates from the actual water depth due to the tension acting on the fishing line, the displayed water depth can be corrected to a correct value by a simple calculation. If the lower volume mode is used, for example, 100
Even a thin fishing line sold in units can be securely wound to a predetermined position on the spool.

[Other Embodiments] (a) The present invention can be applied to a manually wound reel having a water depth display mechanism instead of the electric reel. (B) The present invention can be applied to a single bearing reel instead of a dual bearing reel. (C) In the above-described embodiment, the data of the primary straight line based on the learned correlation is stored in the storage unit 43. However, the data of the inclination and the intercept of the preset primary line is stored in the storage unit 43. You may. Then, the correlation may be changed by learning only when the correlation deviates. (D) In the above-described embodiment, the fishing line is paid out after the winding is completed. However, as described above, learning may be performed by further winding the fishing line at a predetermined distance after the winding is completed.

[0055]

In the fishing reel line length measuring apparatus according to the present invention, since the correction can be performed by an arithmetic processing only by changing the inclination from the intercept, the correlation between the line length per unit rotation and the rotational position data is obtained. Even if the value changes, arithmetic processing for correction is simplified, and correction can be performed by an arithmetic unit having a simple configuration at low cost.

[Brief description of the drawings]

FIG. 1 is a plan view of an electric reel employing one embodiment of the present invention.

FIG. 2 is a sectional view thereof.

FIG. 3 is a cross-sectional view of the counter case.

FIG. 4 is a plan view of a water depth display unit.

FIG. 5 is a block diagram showing a configuration of a control system.

FIG. 6 is a graph showing the relationship between the number of rotations of the spool and the yarn length per rotation of the spool.

FIG. 7 is a flowchart showing a main routine.

FIG. 8 is a flowchart showing a key input subroutine.

FIG. 9 is a flowchart showing a thread winding mode subroutine.

FIG. 10 is a flowchart showing a thread winding mode subroutine.

FIG. 11 is a flowchart showing each operation mode subroutine.

[Explanation of symbols]

 10 Spool 30 Reel control unit 41 Spool sensor

Claims (5)

[Claims] 1. A fishing reel line length measuring device for measuring a length of a fishing line unwound from a spool of a fishing reel or wound on the spool, wherein rotation position data of the spool is detected. A rotational position data detecting means, and a relation storage for storing a correlation between the line length per unit rotation of the spool and the rotational position data as a linear function having a line length per unit rotation of a fishing line at a predetermined line diameter as an intercept. Means, a line length calculating means for obtaining the length of the fishing line based on the rotational position data detected by the rotational position data detecting means and the linear function stored in the relation storage means, and stored in the relation storage means. And a tilt changing means for changing a tilt of the linear function obtained from the intercept. 2. A relationship learning means for learning a measurement relationship between a predetermined length of the fishing line at a substantially final winding portion and a detection result of the rotation position data detection means when the fishing line is wound on the spool, and based on the measurement relationship. And a relationship calculating means for calculating the correlation between the yarn length per unit rotation of the spool and the rotation position data, wherein the storage means stores the correlation calculated by the relationship calculating means. 2. The fishing line length measuring device according to claim 1, wherein: 3. The first rotation position data of the spool detected by the rotation position data detection means when the fishing line is unwound for a predetermined length after winding is completed or when the fishing line is further wound. A first rotation position data receiving unit that receives the rotation of the spool, the second rotation of the spool detected by the rotation position data detection unit from the start of winding of the fishing line to the spool until the end of the winding. Second rotational position data receiving means for receiving position data; bobbin diameter receiving means for receiving a bobbin diameter of the spool at the start of the winding; and first and second rotational position data, the predetermined length, and the bobbin diameter. The fishing reel line length measuring device according to claim 2, further comprising a linear approximation unit that approximates the correlation to a linear function. 4. The tilt changing means includes: a tilt change receiving means for receiving a tilt change; and a second rotation based on rotation position data detected by the rotation position data detecting means when the tilt change is received. Second rotation position data changing means for changing position data, wherein after the inclination change is received, the first rotation position data obtained by the relationship learning means and the changed second rotation position data 4. The fishing reel line length measuring device according to claim 3, wherein the inclination from the intercept is changed by a linear function approximated by the linear approximation unit using the predetermined length and the line winding diameter. 5. 5. The fishing reel line length measuring device according to claim 1, wherein said correlation is stored in advance in said storage means.