KR20210055861A - Smart net using sensor - Google Patents

Abstract

The present invention relates to a smart net using a sensor capable of being easily stored without a net by sensing a passing position of a ball depending on detection of the sensor other than a net shape, and increasing accuracy of a game. The present invention comprises: a first stand which is provided in one side of the center of an upper part of a table tennis table; a laser sensor unit which is provided in one side of the first stand and emits laser; a light emitting circuit unit which is electrically connected to the laser sensor unit; a first power supply unit which is electrically connected to the light emitting circuit unit and supplies power to the laser sensor unit; a second stand which is provided in the other side of the center of the upper part of the table tennis table; an illuminance sensor unit which is provided in one side of the second stand to be faced to the laser sensor unit and receives the laser emitted from the laser sensor unit; a light receiving circuit unit which is electrically connected to the illuminance sensor unit; and a second power supply unit which is electrically connected to the light receiving circuit unit and supplies the power to the illuminance sensor unit.

Description

Smart net using sensor {SMART NET USING SENSOR}

The present invention relates to a smart net using a sensor, and more particularly, a sensor that detects the passing position of the ball according to the detection of the sensor, not in the form of a net, so that the net is not required, so storage is easy and the accuracy of the game is improved. It relates to a smart net using.

In general, table tennis is a kind of sport, and it is a sport that anyone can encounter, and the equipment includes a table tennis racket, a table tennis ball, and a table tennis table.

In the above, ping pong table refers to a table or table used in a table tennis game, and a net device having a net that divides and divides the space of the table tennis table and is placed in the center area of the table tennis table top plate and the table tennis table top plate. It consists of legs that support the top of the table tennis table at a certain height against the ground.

The area of the top of the table tennis table, the height and strength of the net, and the height of the bridge are properly designed and used according to the table tennis rules.

Meanwhile, the net device includes a net installed on an upper plate of the table tennis table to divide and partition the space, and a fixing means for fixing and supporting both ends of the net to the table tennis table.

Existing nets installed to perform sports such as table tennis, badminton and volleyball are usually composed of two supports and a net connecting the two supports horizontally. The support is made of metal, wood or synthetic resin. Thus, it functions to be fixed to the ground, and the net is a net made of fabric or metal wire, which is spread and connected between the two supports.

However, since two supports among the components for constituting the conventional net must be fixed so that the net can be spread out without being influenced by the outside, considerable weight is required, and the net is also composed of a fabric or metal wire to cover a wide area. Since it must be unfolded, its volume and weight were significant, and it was difficult for individuals to move and install by themselves.

In addition, when the net is installed by an ordinary person who is not an expert, the center of the net is stretched downwards by the net's own weight, making it difficult to accurately determine the movement.If the line is twisted or damaged, the net must be repurchased and installed. There are costs and inconveniences, so it is true that it is difficult to find around the general public when they use these net sets every time they exercise.

In the case of such a portable net device of the prior art, since the components are separated from each other, there is a problem that transportability and storage are greatly deteriorated, and in particular, it is difficult to install and disassemble a net made of a bulky and heavy net. In addition, since the storage location of the net is not easy, there is a problem that the risk of damage to the net always follows.

Republic of Korea Utility Model Publication No. 20-0421742

Accordingly, the present invention was devised to solve the above problems, and the object of the present invention is to provide a net in the form of a net by detecting whether the ball has passed above or below the net by detecting the passing of the ball by light emission of a laser. Since there is no need to do so, it is easy to store and carry, and even if it is difficult to identify with the naked eye, it is possible to accurately determine the convenience of use and to provide a smart net using a sensor that can increase the user's sense of trust.

A smart net using a sensor according to an embodiment of the present invention for achieving the above object includes a first cradle provided at one side of the upper center of the table tennis table, and a laser sensor unit provided on one side of the first cradle to emit laser light. , A light emitting circuit part electrically connected to the laser sensor part, a first power supply part electrically connected to the light emitting circuit part to supply power to the laser sensor part, a second cradle provided at the other side of the upper center of the table tennis table, and the An illuminance sensor unit provided to face the laser sensor unit on one side of the second cradle to receive the laser emitted from the laser sensor unit, a light receiving circuit unit electrically connected to the illuminance sensor unit, and electrically connected to the light receiving circuit unit It may include a second power supply for supplying power to the illuminance sensor unit.

The laser sensor unit may be installed in a plurality of vertically and vertically on the first cradle, and the upper and lower installation intervals may be installed narrower than the diameter of the ball so as to accurately detect the passing of the ball.

An LED bar that emits light in different colors according to the detection of laser light may be installed across the upper portions of the first and second cradles.

The second cradle may further include a sound notification unit that is electrically connected to the light receiving circuit unit and generates a warning sound when the ball passes through the laser emitted by the laser sensor unit and the light receiving sensor unit fails to detect the laser light.

As described above, according to the smart net using the sensor according to the present invention, a laser sensor unit for emitting a laser light and an illuminance sensor unit for sensing light of the laser sensor unit are provided on both sides of the upper center of the table tennis table, and thus are provided by the light of the laser. It is possible to accurately grasp the actual point by detecting the passing of the game, thereby increasing the accuracy of the product, maximizing the efficiency of the game, and because a net-shaped net is not required, it is convenient to store and install, thus maximizing the user's satisfaction.

1 is a perspective view showing an installation state of a smart net using a sensor according to the present invention.
Figure 2 is a front view showing the installation state of the smart net using the sensor according to the present invention.
3 is a perspective view showing a smart net using a sensor according to the present invention.
4 is a front view showing a smart net using a sensor according to the present invention.

In the present invention, various modifications may be made and various embodiments may be provided, and specific embodiments will be illustrated in the drawings and will be described in detail in the detailed description. However, this is not intended to limit the present invention to a specific embodiment, it should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention.

In the drawings, embodiments of the present invention are not limited to the specific form shown, but are exaggerated for clarity. Although specific terms have been used in the present specification, they are used for the purpose of describing the present invention, and are not used to limit the meaning or the scope of the present invention described in the claims.

In the present specification, the expression'and/or' is used as a meaning including at least one of the elements listed before and after. In addition, the expression'connected/combined' is used as a meaning including direct connection with other components or indirect connection through other components. In the present specification, the singular form also includes the plural form unless otherwise specified in the phrase. In addition, elements, steps, operations and elements referred to as'comprising' or'including' as used in the specification mean the presence or addition of one or more other elements, steps, operations and elements.

In addition, expressions such as'first, second', etc. are used only for distinguishing a plurality of elements, and do not limit the order or other features between the elements.

In the description of the embodiments, each layer (film), region, pattern, or structure is “on” or “under” of the substrate, each side (film), region, pad, or patterns. The description that "is formed in" includes all that are formed directly or through another layer. The standards for the top/top or bottom/bottom of each layer will be described based on the drawings.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing the installation state of a smart net using a sensor according to the present invention, Figure 2 is a front view showing the installation state of the smart net using a sensor according to the present invention, Figure 3 is a sensor according to the present invention It is a perspective view showing a smart net using, Figure 4 is a front view showing a smart net using a sensor according to the present invention.

1 to 4, a smart net using a sensor according to the present invention includes a first cradle 100, a second cradle 110, a laser sensor unit 200, and a light emitting circuit unit 210 Wow, including a first power supply unit 220, an illuminance sensor unit 300, a light receiving circuit unit 310, a second power supply unit 320, an LED bar 400, and a sound notification unit 500 It is done.

The first cradle 100 is provided at one end of the upper center of the table tennis table 10.

In addition, the first cradle 100 may be installed vertically above the table tennis table 10.

The second cradle 110 is provided at the other end of the upper center of the table tennis table 10, and may be installed vertically above the table tennis table 10.

The first cradle 100 and the second cradle 110 may be installed on the top of the table tennis table 10 as a clamping means (not shown) in the form of tongs.

At this time, the fixing means of the first cradle 100 and the second cradle 110 is not limited to the form of tongs, but it is preferable to use various methods such as a ring form.

In addition, the material of the first cradle 100 and the second cradle 110 is not limited, but is preferably formed of a stainless steel material or a synthetic resin material that does not rust and is light.

The laser sensor unit 200 is provided on the first cradle 100 to emit laser light.

In addition, the laser sensor unit 200 may be installed to be exposed to the outside on the side of the first cradle 100.

The laser sensor unit 200 is installed in a plurality of upper and lower sides of the first cradle 100.

In addition, the laser sensor unit 200 may be installed at regular intervals up and down, but the installation interval may be installed narrower than the diameter of the ball so that the passing of the ball can be accurately detected.

That is, by installing a plurality of laser sensor units 200 that emit laser light up and down narrower than the diameter of the ball in order to detect the passing of the ball on the first cradle 100, when the air passes, the morale laser sensor unit 200 Since the emitted light is caught in the ball and cannot be transmitted to the illuminance sensor unit 300, it is possible to recognize that the ball passes through the net.

The light emitting circuit unit 210 is provided on the first cradle 100 and is electrically connected to the laser sensor unit 200 to control the laser sensor unit 200.

The first power supply unit 220 is provided inside the first cradle 100 and is electrically connected to the light emitting circuit unit 210 to supply power to the laser sensor unit 200.

In addition, the first power supply unit 220 may be provided with a battery, if necessary, may be provided with a rechargeable battery or a wire including a plug.

The illuminance sensor unit 300 is provided on the side of the second cradle 110 and is provided to face each other with the laser sensor unit 200 to receive the laser emitted from the laser sensor unit 200.

In addition, the illuminance sensor unit 300 is preferably provided in the same number as the laser sensor unit 200 to receive all the light of the laser sensor unit 200 provided in plural.

That is, if the illuminance sensor unit 300 does not detect the light of the laser sensor unit 200, it recognizes that the ball is caught in the net, and is processed as a real point.

The light-receiving circuit unit 310 is provided on the second cradle 110 and is electrically connected to the illuminance sensor unit 300 to control the detection signal of the illuminance sensor unit 300.

The second power supply unit 320 is provided inside the second cradle 110 and is electrically connected to the light receiving circuit unit 310 to supply power to the illuminance sensor unit 300.

In addition, the second power supply unit 320 may be provided with a battery, and if necessary, may be provided in a wired manner including a rechargeable battery or a plug.

The LED bar 400 is installed across the upper portion of the first cradle 100 and the second cradle 110, and is emitted in a different color according to the detection of the laser light emitted from the laser sensor unit 200. .

That is, the LED bar 400 emits blue light when the laser light emitted from the laser sensor unit 200 is detected by the illuminance sensor unit 300, and the laser light emitted from the laser sensor unit 200 is irradiated. If it is not detected by the sensor unit 300, it is emitted in red, so that it is easy to determine whether the ball has passed through the net portion with the set color of the LED bar 400.

The sound notification unit 500 is provided on the second cradle 110 and is electrically connected to the light receiving circuit unit 310 so that the ball passes through the laser emitted from the laser sensor unit 200 and passes the laser light from the light receiving sensor unit 300. When the light is not detected, a warning sound is generated under the control of the light receiving circuit unit 310.

That is, when the illuminance sensor unit 300 fails to detect the light of the laser sensor unit 200, the light receiving circuit unit 310 receives a detection signal and sends a signal to the sound notification unit 500 to send a sound notification unit ( 500), it is easy to see that the ball did not cross over to the top of the net.

On the other hand, the smart net according to the present invention can be applied not only to table tennis, but also to sports events using balls such as badminton, volleyball, and football.

Looking at the operating state according to the smart net using the sensor of the present invention made of the structure as described above is as follows.

The first cradle 100 and the second cradle 110 are fixed to both ends of the upper center of the table tennis table 10, respectively, and a laser sensor unit 200 for emitting a laser light to the first cradle 100 is provided, and the An illuminance sensor unit 300 for receiving light emitted from the laser sensor unit 200 is installed on the second cradle 110 to receive the light from the laser sensor unit 200 from the illuminance sensor unit 300.

In addition, when the illuminance sensor unit 300 fails to detect the light emitted from the laser sensor unit 200, the ball does not pass upwards of the net and passes through the inner portion of the net, and thus it is recognized that the score has been achieved.

In addition, as the ball passes through the light emitted from the laser sensor unit 200 and passes inside the net, the LED bar that emits blue light when the illumination sensor unit 300 does not detect the light from the laser sensor unit 200 (400) is changed to red, so that it is possible to confirm that the score was conceded.

In addition, when the light from the illuminance sensor unit 300 passes the light and does not detect the light of the laser sensor unit 200, sound is generated from the sound notification unit 500 under the control of the light receiving circuit unit 310 It is easy to see that the score was conceded.

Therefore, it is possible to detect the light of the laser sensor unit 200 by the illuminance sensor unit 300 to identify the passing position of the ball to inform the actual point situation, so there is no need to use a net in the form of a net as in the prior art, so it is inconvenient to store and install. It is possible to solve the problem and make an accurate judgment even if it is not visually confirmed, which can increase the efficiency of the game progression.

As described above, the present invention is not limited to the specific preferred embodiments described above, and anyone with ordinary knowledge in the technical field to which the present invention pertains without departing from the gist of the present invention claimed in the claims It goes without saying that modifications are possible, and such modifications are within the scope of the description of the claims.

100: first cradle
110: second cradle
200: laser sensor unit
210: light-emitting circuit part
220: first power supply
300: illuminance sensor unit
310: light-receiving circuit part
320: second power supply
400: LED Bar
500: sound notification unit

Claims (4)

A first cradle provided in one of the upper centers of the table tennis table;
A laser sensor unit provided on one side of the first cradle to emit laser light;
A light emitting circuit part electrically connected to the laser sensor part;
A first power supply unit electrically connected to the light emitting circuit unit to supply power to the laser sensor unit;
A second cradle provided on the other side of the upper center of the table tennis table;
An illuminance sensor unit provided on one side of the second cradle to face the laser sensor unit to receive a laser emitted from the laser sensor unit;
A light-receiving circuit part electrically connected to the illuminance sensor part; And
Smart net using a sensor comprising; a second power supply unit electrically connected to the light receiving circuit unit to supply power to the illuminance sensor unit. The method of claim 1,
Smart net using a sensor, characterized in that the laser sensor unit is installed in a plurality of upper and lower on the first cradle, and the upper and lower installation intervals are installed narrower than the diameter of the ball to accurately detect the passing of the ball. The method of claim 1,
Smart net using a sensor, characterized in that the LED bar that emits in different colors according to the detection of laser light is installed across the upper portion of the first cradle and the second cradle. The method of claim 1,
The second cradle is electrically connected to the light-receiving circuit part, and the smart net using a sensor further includes a sound notification part that generates a warning sound when the ball passes through the laser emitted from the laser sensor part and the light-receiving sensor part does not detect the laser light .

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