RU178092U1 - Standalone TARGET TARGET FOR BIG TENNIS - Google Patents

Abstract

The utility model relates to accessories for playing with balls or balls, namely to fixed targets and serves to test the accuracy of a tennis player’s shots in a specific area of the playing field. The technical result is to increase the effectiveness of the training process. a unit including a battery, an electric switch, and a ball hit sensor. In contrast to the closest analogue, the target contains the upper hard and lower soft layers rigidly connected to each other. The upper hard layer is made of material with vibration isolation and sound absorption coefficients less than 0.07, and the lower soft layer is made of material with vibration isolation and sound absorption coefficients more than 0.5. The electronic unit is rigidly fixed to the upper hard layer and contains a shockproof housing, in which there is an additional sound frequency generator with a sound emitter, a microcontroller and a digital display, while the ball impact sensor is made in the form of a piezoelectric shock sensor. 2 s.p. f-ly, 3 Fig.

Description

The utility model relates to accessories for games with balls or balls, namely to fixed targets, and serves to work out the accuracy of strokes of a tennis player in a specific area of the playing field.

To date, tennis players use either colored cones and chips, or marking lines marking the area of the planned hit as targets. The use of cones and chips inevitably entails their further collection and installation in their former places, which takes up useful training time. The drawback of the marking lines is the difficulty of an objective assessment and the need for constant visual control of the ball.

The closest analogue of the claimed utility model is a simulator for training, training and monitoring the level of preparation of athletes playing ball games, which includes a target, a chronometric device, a control unit, a power supply, a scoreboard, ball hit sensors. All elements of the famous simulator are interconnected by a set of wires. [Utility Model Patent No. RU 100911, publication date 01/10/2011].

The main disadvantage of the known technical solution is the presence of connecting wires that prevent the tennis player from moving around the sports field, and also prevent the collection of balls accumulated on the court. Another disadvantage of the known simulator is the lack of a sound indication of the hit of balls, which does not allow the coach to simultaneously control the athlete’s impact technique and record the exact hit on the target.

The technical task is to increase the accuracy of indicating the number of hits in the target and the strength of the device, as well as providing sound signaling of hits and mobility of the device.

The technical result is to increase the effectiveness of the training process.

The essence of the claimed device is as follows.

The standalone tennis target simulator contains a target and an electronic unit including a battery, an electric switch and a ball hit sensor. Unlike the closest analogue, the target contains the upper hard and lower soft layers rigidly interconnected. The upper hard layer is made of material with vibration isolation and sound absorption coefficients less than 0.07, and the lower soft layer is made of material with vibration isolation and sound absorption coefficients more than 0.5. The electronic unit is rigidly fixed to the upper hard layer and contains a shockproof housing, in which there is an additional sound frequency generator with a sound emitter, a microcontroller and a digital display, while the ball impact sensor is made in the form of a piezoelectric shock sensor.

The upper solid layer of the target is designed to transmit a shock wave to a piezoelectronic sensor. As the material of the upper solid layer with vibration isolation and sound absorption coefficients less than 0.07, polycarbonate, high-impact polystyrene or plexiglass can be used. The lower soft layer is designed to absorb the shock wave from the surface of the court when the ball hits the target. As the material of the lower soft layer with vibration isolation and sound absorption coefficients greater than 0.5, isolon, foam rubber or polyurethane foam can be used. Due to the high degree of sound absorption and vibration isolation by the lower soft layer of the target and the low degree of sound absorption and vibration isolation of the upper hard layer, the error in the operation of the piezoelectric shock sensor and, as a result, the correctness of the data displayed on the digital display are minimized.

As a sound emitter, any known emitter may be used, for example, an electromagnetic buzzer or a piezoelectric emitter. Additionally, holes with a diameter of 5 to 10 mm can be made in the housing of the electronic unit for emitting sound.

As the power supply can be used any known batteries, for example, galvanic cells or batteries, their capacity and quantity are not limited and depend on the size of the case and the amount of time during which the uninterrupted operation of an autonomous target simulator is necessary.

The housing of the electronic unit can be made of impact-resistant material, for example, polystyrene or metal, or polycarbonate and equipped with a cover for replacing the power supply.

Additionally, the piezoelectric shock sensor can be equipped with a sensitivity regulator. The sensitivity regulator can be made in the form of a handle connected with a variable resistor of the shock sensor, turning it changes the resistance value of the variable resistor, while the sensitivity of the piezoelectronic sensor is inversely proportional to the resistance value of its variable resistor. The sensitivity control knob can be located in the hole in the housing of the electronic unit.

The microcontroller transmits data received from a piezoelectric shock sensor. The electric switch can be made in the form of a toggle switch that supplies voltage, and provides the ability to turn the power on and off of the simulator, as well as reset the microcontroller data on the number of hits.

Due to the performance of the two-layer target, the upper hard layer of which is made of a material with vibration isolation and sound absorption coefficients less than 0.07, and the lower soft one - more than 0.5, the selectivity of hitting the target is increased. The presence of a sound frequency generator with a sound emitter signals that the ball hits the target and allows the trainer to record hits on the target without interrupting visual control of the athlete’s impact technique, a digital scoreboard displays the number of accurate hits, this provides the ability to record the result of each hit, and the presence of the built-in power supply allows place an autonomous target simulator on any part of the training site.

The above distinctive essential features ensure the achievement of a technical result to increase the efficiency of the training process, this allows us to conclude that the claimed utility model meets the patentability criterion of "novelty."

The inventive utility model can be produced from known materials using technologies known in the industry, which ensures its compliance with the patentability criterion of "industrial applicability".

The essence of the claimed utility model is illustrated by the following drawings:

FIG. 1 is a functional diagram of a simulator device;

FIG. 2 - section of the electronic unit, fragment;

FIG. 3 - simulator, top view;

1 - the upper solid layer of the target, transmitting shock waves to the sensor when the ball hits the target;

2 - the lower soft layer of the target, isolating the upper layer from shock waves when it hits the court near the target;

3 - a piezoelectric shock sensor with a sensitivity regulator;

4 - hole for the handle of the sensitivity regulator;

5 - a sound generator with a piezoelectric emitter;

6 - hole for the emission of sound;

7 - a microcontroller that provides counting the number of hits and indication on a digital display;

8 - digital display;

9 - power supply;

10 - toggle switch;

11 - the case of the electronic unit;

The principle of operation of an autonomous target simulator is as follows.

In the idle state, the power is off, and all electronic circuit elements are de-energized, the counter is reset. When the toggle switch (10) is turned on, the power supply is applied to the electronic elements and the device goes into working condition: the microcontroller counter (7) displays zero on the digital display (8). The fact that the ball hits the target is recorded by transmitting the shock wave along the upper solid layer of the target (1) and the body of the electronic unit (11) to the piezoelectric shock sensor (3), which generates electrical pulses and sends them to the sound generator with a piezoelectric emitter (4) for sound signal, and to the microcontroller (7) for counting and displaying the result on a digital display (8). Setting the optimum threshold for the operation of the piezoelectronic shock sensor is carried out using the knob of the sensitivity control of the shock sensor located in the hole in the body of the electronic unit (4).

Claims (3)

1. A standalone tennis target simulator comprising a target and an electronic unit including a battery, an electric switch and a ball hit sensor, characterized in that the target contains upper hard and lower soft layers rigidly interconnected, with the upper hard layer made of material with vibration isolation and sound absorption coefficients less than 0.07, and the lower soft layer is made of material with vibration isolation and sound absorption coefficients more than 0.5, the electronic unit is rigidly fixed to the upper TV rdom layer of shockproof and comprises a housing in which are arranged further audio frequency generator with sound transmitter, microcontroller and a digital display, the sensor ball contact is in the form of quartz shock sensor. 2. A stand-alone simulator for tennis for p. 1, characterized in that the electronic unit contains a sensitivity regulator of the piezoelectric shock sensor. 3. A stand-alone simulator for tennis for p. 1, characterized in that the holes in the electronic unit are made for the emission of sound.

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