JPH055892Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a fish detection device that can tell whether a fish is biting by the lighting operation of a light emitting means.

[Conventional technology]

In recent years, fishing has been attracting attention as a leisure sport and its popularity is increasing. Fishing is, in some respects, a very delicate sport, and in particular, accurately knowing the bite of the fish, that is, the fish bite, is very important in obtaining good fishing results.

And there are two ways to know when you have a fish bite: 1. Feel the vibrations transmitted to the rod with your hand.

2 Visually observe the swing of the tip of the rod.

3 Observe the movement of the float.

4. Attach a bell to the end of the rod and listen for the bell to ring due to the vibrations caused by the fish.

5 Observe the movement of the fly.

Methods such as the following are known.

However, all of the above methods require a certain amount of experience and intuition, and it is not so easy to know the fish confidence using the above methods, even for those with experience. Therefore, it is very difficult for beginners to learn about fishing techniques and obtain good fishing results using such methods. Due to this difficulty in knowing the fish, while fishing is originally a fun leisure sport, it has become difficult and difficult for beginners to pick up a fishing rod for the first time. There is.

Therefore, for example, in Japanese Patent Application Laid-open No. 56-26131,
A device has been disclosed that electrically detects the vibrations of a fishing rod that occur when a fish bites, and can notify the fish by lighting a light emitter or by sounding a buzzer. This device is attached near the hand of a fishing rod and detects the minute vibrations that occur near the hand of the fishing rod when a fish bites. The vibration is transmitted to a piezoelectric element and converted into voltage, which lights up a light emitter or sounds a buzzer to notify the user.

[Problem that the invention attempts to solve]

However, with a configuration that detects minute vibrations generated near the hand of a fishing rod, such as the device described in the above publication, it is difficult to distinguish between minute vibrations generated due to a fish biting and those caused by waves, wind, etc.
There is a problem in that malfunctions are likely to occur. In other words, even if there is a difference in the amount of displacement at the tip of the fishing rod between when a fish bites and when it is caused by waves, wind, etc., only minute vibrations are generated at the end of the fishing rod. . Within the range of this micro-vibration, it is extremely difficult to distinguish between the vibration state caused by a fish biting and the vibration state caused by waves, wind, etc. Even with a configuration in which an electrical signal is obtained based on the vibration of the piece, it is not possible to accurately determine only when a fish is biting from such a signal, and therefore malfunctions are likely to occur.

Additionally, when fishing with a fishing rod in your hand, the movement of the rod in your hand can cause malfunctions, so the use of the above device is limited to fishing with a stationary rod. There is also the problem.

Furthermore, in the above, the shape of the vibrating piece is determined so that it vibrates in response to minute vibrations, and the structure of the joint between the vibrating piece and the piezoelectric body is determined in order to generate a voltage in the piezoelectric body according to the vibration. , and the shape of the piezoelectric body, etc., must be sufficiently matched to the vibration characteristics of the vibrating element, which makes the configuration complicated and requires design when determining the vibrating element, piezoelectric body, and their connection configuration. The work becomes complicated,
Another problem is that the production cost is high.

The present invention was developed in view of the above-mentioned conventional problems, and its purpose is to enable more accurate detection of fish bite without limiting the range of use, and to further simplify the detection of fish biting. The object of the present invention is to provide a fish detection device that has a simple structure and can be manufactured at low cost.

[Means for solving problems]

In order to achieve the above object, the fish signal detector of the present invention has a main body case installed near the tip of a fishing rod, which is charged with electric charges corresponding to the bending deformation that occurs at the tip due to the biting action of a fish on a fishing hook. a cantilever-shaped plate-shaped piezoelectric body with a weight body directly connected to its free end to generate energy, a light emitting means, a driving means for lighting the light emitting means based on the electric charge generated in the piezoelectric body, and a power source. It is characterized by being provided with.

[Effect]

According to the above configuration, when a fish bites the fishing hook, the resulting impact is transmitted to the tip of the fishing rod through the fishing line, causing the tip of the fishing rod to suddenly bend. As a result, a force corresponding to the acceleration at the time of bending and deformation is applied from the weight body directly connected to the free end to the piezoelectric body in the fish signal detector fixed near the tip of the fishing rod, and this force causes strain. An electric charge is generated in the piezoelectric body in response to the Then, the driving means turns on the light emitting means based on the charge generated in the piezoelectric body, and the angler is notified of the fish.

The tip of a fishing rod deforms slowly when affected by waves or wind, and rapidly deforms when a fish bites. Therefore, in order to directly detect the bending deformation at the tip of the fishing rod when a fish bites, the fish signal detector of the present invention uses a device inside the main body case attached near the tip of the fishing rod as described above. The structure includes a cantilevered plate-shaped piezoelectric body with a weight body directly connected to the free end side. In other words, when the fishing rod is deformed, a force is applied from the weight body to the piezoelectric body according to the relative displacement acceleration between the free end side and the fixed end side of the piezoelectric body, but this force is applied near the tip of the fishing rod. , there is a clear difference between when a fish bites due to rapid deformation, when it is caused by waves or wind, or when it is caused by vibrations on the hand side when holding the fishing rod in your hand. Therefore, based on the electric charge generated in the piezoelectric body, it is possible to distinguish when a fish is biting and accurately notify the fish.
The scope of use is not limited to the placing rod. Moreover, in the conventional device described above, it was necessary to provide a vibrating piece that vibrates in response to minute vibrations, but in the above method, the force acting from the weight body on the piezoelectric body is
It responds to the sudden bending deformation of the fishing rod and is relatively large. Therefore, the structure is such that the weight body is directly connected to the free end side of the piezoelectric body, and the force from the weight body is applied directly to the piezoelectric body to generate fish signal. It is possible to obtain Therefore, since there is no need to provide a vibrating element or the like in the conventional device, the configuration is simplified and manufacturing can be made at lower cost.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. 1 to 6.

As shown in FIG. 1, the fish detector 1 according to the present invention has a main body case 2 in the shape of a cylindrical container, and this main body case 2 has a light projection window 2a at one end.
have. Further, the lower part of the main body case 2 has a shape that follows the outer circumference near the tip of the fishing rod 3,
Fasteners 4, 4 for attaching the fish detection detector 1 to a fishing rod 3 are integrally provided.

Inside the main body case 2, a long plate-shaped piezoelectric body 6 is provided which generates an electric charge when the fishing rod 3 undergoes bending deformation. One end of the piezoelectric body 6 is attached to a support 5 fixed to a central portion of the inner wall surface of the main body case 2, and one end is cantilevered toward the opposite end of the main body case 2 from the light projection window 2a. It is set in. A weight body 7 as a load is attached to the free end side of the piezoelectric body 6. Also, as shown in FIG. 2, between the support 5 and the light projection window 2a inside the main body case 2, there is a charge amplifier 8 for amplifying the output of the piezoelectric body 6, and a charge amplifier 8 for amplifying the output of the piezoelectric body 6. and supply power to the light emitting diode (hereinafter referred to as LED) 10.
A relay 9 that turns ON/OFF, and an LED 10 that lights up when supplied with electricity and notifies fishers of fish.
A battery 11 is provided as a power source for the LED 10 and charge amplifier 8. The above-mentioned LED 10 is provided just inside the light projection window 2a of the main body case 2, and its blinking is caused by the light projection window 2a.
It is becoming possible to know through a.

The above LED 10 is connected to the output side of the charge amplifier 8 via a resistor 12.
The LED 10 and the resistor 12 constitute a light emitting means. Further, although the LED 10 may be replaced with other elements of this type, it is the most preferable as the light emitting means in this detector because it is small and lightweight and has low power consumption. Further, the charge amplifier 8 and the relay 9 constitute a driving means.

In the above configuration, when using the fish detection detector 1, the fish detection detector 1 is attached to the vicinity of the tip of the fishing rod 3 by means of fasteners 4, 4, as shown in FIG. At this time, the light projection window 2a faces toward the handle of the fishing rod 3, that is, toward the angler. And the fourth
As shown in the figure, the fishing hook 1 at the tip of the fishing line 13
Attach bait to 4, drop them into the water with a float, and wait for the fish to bite.

Here, as shown in FIG.
When the bait bites, the impact is transmitted to the tip of the fishing rod 3 through the fishing line 13, causing the fishing rod 3 to suddenly bend downward. At this time, a force acts on the piezoelectric body 6 from the weight body 7 according to the relative displacement acceleration between the free end side and the fixed end side of the piezoelectric body, and the piezoelectric body 6
Strain occurs and a charge is generated. This charge is input to a charge amplifier 8, amplified, and then supplied to an excitation coil 9a of a relay 9. As a result, the movable contact 9b of the relay 9 turns ON, and the LED 10
A battery 11 is connected to the LED through a resistor 12.
10 lights up. In this way, by lighting up the LED 10, the angler is informed of the fish information.

On the other hand, when no fish is biting on the fishing hook 14, only gentle vibrations caused by waves, wind, etc. are transmitted to the tip of the fishing rod 3, and almost no force is applied from the weight body 7 to the piezoelectric body 6, Therefore, the output of the piezoelectric body 6 is almost non-existent, and even if there is, it is extremely small.
Therefore, the relay 9 is not driven by the output of the charge amplifier 8, and the power supply to the LED 10 is in an OFF state, so the LED 10 is not lit.

As mentioned above, the lighting operation of the LED 10 is as follows:
This occurs only when a slight but rapid bending deformation occurs at the tip of the fishing rod 3, and it will not turn on due to gentle vibrations received from waves or the like. That is, in the fish detection device 1 of this embodiment, when the fishing rod 3 is deformed, the weight body 7 acts on the piezoelectric body 6 according to the relative displacement acceleration between the free end side and the fixed end side of the piezoelectric body 6. The piezoelectric body 6 operates in response to force, but the force acting on the piezoelectric body 6 is caused by the sudden deformation of a fish when it bites, by waves or wind, and by vibrations on the hand side when holding a fishing rod in the hand. There is a clear difference between the two cases. Therefore, based on the charge generated in the piezoelectric body 6, it is possible to distinguish when a fish is biting and to accurately notify the fish bite.

Furthermore, the force acting on the piezoelectric body 6 from the weight body 7 when a fish bites corresponds to the sudden bending deformation that occurs at the tip of the fishing rod 3, and is relatively large. The force is piezoelectric 6
It is possible to obtain a fish signal by configuring the weight body 7 to be directly connected to the free end side of the piezoelectric body 6 so as to act directly on the piezoelectric body 6. Therefore, since there is no need to provide a vibrating element or the like in the conventional device, the structure is simplified and the device can be manufactured at a lower cost.

Furthermore, due to the output of the piezoelectric body 6 based on Uoshin,
In addition to the circuit configuration shown in FIG. 2, for example, as shown in FIG. 6, the circuit configuration for lighting the LED 10 is as shown in FIG.
LED10 directly by the output of charge amplifier 8
It may also be used to drive.

[Effect of idea]

As described above, the fish signal detector of the present invention generates an electric charge in the main body case, which is attached near the tip of a fishing rod, in response to the bending deformation that occurs at the tip due to the biting action of a fish on the fishing hook. A cantilevered plate-shaped piezoelectric body with a weight body directly connected to the free end side,
This configuration includes a light emitting means, a driving means for lighting the light emitting means based on the charge generated in the piezoelectric body, and a power source.

Therefore, it is possible to reliably detect the bite of a fish on a fishing hook by distinguishing it from gentle vibrations caused by waves, wind, etc., and vibrations caused when the fishing rod is held by hand, and it can be used in a wide range of situations without being limited to rods that are placed on the ground. Furthermore, it is not necessary to provide a vibration plate made of a thin metal plate to amplify vibrations as in conventional devices, and the structure is simplified, which has the effect of making it cheaper to manufacture.

[Brief explanation of the drawing]

1 to 6 show an embodiment of the present invention, in which FIG. 1 is a schematic vertical sectional view showing a fish detection device, and FIG. 2 is a fish detection device shown in FIG. 1. The circuit diagram of the device, Figure 3 is a perspective view showing how the fish detector is attached to the fishing rod, Figure 4 is an explanatory diagram showing how the fish detector is used, and Figure 5 shows how to detect fish using the fish detector. FIG. 6 is a circuit diagram showing another example of the circuit configuration of the fish detection device. 1 is a fish detector, 2 is a main body case, 3 is a fishing rod, 4 is a stopper, 5 is a support body, 6 is a piezoelectric body, 7 is a weight body, 8 is a charge amplifier (driving means), 9 is a relay (driving means) ), 10 is a light emitting diode (light emitting means), 11 is a battery (power source), 12 is a resistor (light emitting means), 13 is a fishing line, and 14 is a fishhook.

Claims (1)

[Scope of utility model registration request] Inside the main body case, which is attached near the tip of the fishing rod, there is a cantilevered body with a weight body directly connected to the free end of the fishing rod in order to generate an electric charge in response to the bending deformation that occurs in the tip due to the biting action of a fish on the fishing hook. a plate-shaped piezoelectric body, a light emitting means, and a driving means for lighting the light emitting means based on the charge generated in the piezoelectric body;
A fish signal detector characterized in that it is equipped with a power source.