CN210446129U - Table tennis table - Google Patents
Table tennis table Download PDFInfo
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- CN210446129U CN210446129U CN201920968185.3U CN201920968185U CN210446129U CN 210446129 U CN210446129 U CN 210446129U CN 201920968185 U CN201920968185 U CN 201920968185U CN 210446129 U CN210446129 U CN 210446129U
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Abstract
The utility model discloses a table tennis table to realize the judgement of the placement location of table tennis table. This table tennis table includes: the stage body, signal comparison device, alarm device to and be close to the first triboelectric formula touch sensor that the top edge of the side of stage body set up, and be close to the second triboelectric formula touch sensor that the bottom edge of the side of stage body set up, wherein: the first triboelectric touch sensor, the second triboelectric touch sensor and the alarm device are connected with the signal comparison device, and the signal comparison device is used for controlling the alarm device to send out corresponding alarm signals according to the comparison result of the peak value of the electric signal acquired by the first triboelectric touch sensor and the peak value of the electric signal acquired by the second triboelectric touch sensor.
Description
Technical Field
The utility model relates to the technical field of sports equipment, especially, relate to a table tennis table.
Background
Edge-wiping balls often appear in the process of table tennis games, disputes easily appear in the judgment of the edge-wiping balls, and particularly, the phenomenon that the edge-wiping balls are the upper edge or the lower edge of the edge of a hitting table is difficult to distinguish, so that the exertion of players and the game are influenced. In addition, the conventional table tennis table cannot position the drop point of the table tennis and cannot help the athlete to train well.
At present, high-speed camera video playback technology is generally adopted to judge edge ball in table tennis games, and expensive pressure sensors are generally used for realizing the drop point positioning, but the requirements on equipment and the cost are higher.
The friction nanometer generator is a novel generator, and the basic principle is that electric charges are generated on the surface of a material by friction and are separated, so that extremely high electric potential is generated, electrons of an external circuit are driven to move directionally, and weak mechanical energy collected in the environment is converted into electric energy. Conversely, the generated electric signal can also be used for representing the physical parameters of mechanical movement, and the sensor can be used as a triboelectric self-driven sensor and has the advantages of simple structure, wide material source, low cost and the like.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a table tennis table to realize the judgement of table tennis table's placement location.
The embodiment of the utility model provides a table tennis table, include: the stage body, signal comparison device, alarm device to and be close to the first friction electric formula touch sensor that the top edge of the side of stage body set up, and be close to the second friction electric formula touch sensor that the bottom edge of the side of stage body set up, wherein:
the first triboelectric touch sensor, the second triboelectric touch sensor and the alarm device are connected with the signal comparison device, and the signal comparison device is used for controlling the alarm device to send out corresponding alarm signals according to the comparison result of the peak value of the electric signal acquired by the first triboelectric touch sensor and the peak value of the electric signal acquired by the second triboelectric touch sensor.
The embodiment of the present invention is, optionally, the signal comparison device is used for controlling the alarm device to send out a corresponding alarm signal according to the peak value of the electrical signal obtained by the first triboelectric touch sensor and the comparison result of the peak value of the electrical signal obtained by the second triboelectric touch sensor, and specifically includes:
when the difference value between the peak value of the electric signal acquired by the first triboelectric touch sensor and the peak value of the electric signal acquired by the second triboelectric touch sensor is positive, the signal comparison device controls the alarm device to send out a first type of alarm signal;
and when the difference value between the peak value of the electric signal acquired by the first triboelectric touch sensor and the peak value of the electric signal acquired by the second triboelectric touch sensor is negative, the signal comparison device controls the alarm device to send out a second type of alarm signal.
In any embodiment of the present invention, optionally, the alarm signal is a sound signal or an image signal.
In the embodiment of the present invention, optionally, the first triboelectric touch sensor is disposed at a corner of the table body, and includes a first sensing portion disposed on a table top of the table body and a second acquiring portion disposed on a side surface of the table body;
the second friction electric type touch sensor is arranged on the side face of the table body, and the second friction electric type touch sensor and the second sensing portion are arranged at intervals.
The utility model discloses in any embodiment, optionally, table tennis table still includes the placement positioner, and set up in a plurality of third triboelectric formula touch sensor of the mesa of stage body, placement positioner is used for receiving the peak value of the signal of telecommunication that a plurality of third triboelectric formula touch sensor acquireed.
In the embodiment of the present invention, optionally, the plurality of third triboelectric touch sensors are arranged in an array.
The embodiment of the utility model provides an in, it is optional, table tennis table still include with the device that gathers that the placement positioner is connected, the device that gathers is used for the basis the placement positioner receives in setting for the cycle the peak value of the signal of telecommunication that a plurality of third triboelectric formula touch sensor acquireed generates the summarized data matrix.
In the embodiment of the present invention, optionally, the third triboelectric touch sensor includes a friction material layer and an induction electrode layer stacked on top of each other.
In any embodiment of the present invention, optionally, the first triboelectric touch sensor includes a friction material layer, an induction electrode layer, and an output electrode layer, which are stacked;
the second triboelectric touch sensor includes a friction material layer and an induction electrode layer that are stacked.
In the embodiment of the present invention, the friction material layer may be, but is not limited to, wood, FEP (Fluorinated Ethylene Propylene copolymer), PTFE (polytetrafluoroethylene), or PET (Polyethylene Terephthalate); the sensing electrode layer may be, but is not limited to, a conductive material such as copper, aluminum, or carbon.
Adopt this technical scheme's table tennis table, because first friction electric formula touch sensor and second friction electric formula touch sensor all are connected with signal comparison device, and first friction electric formula touch sensor is close to the upper limb setting of table body side of table tennis table, and second friction electric formula touch sensor is close to the lower limb setting of table body side, touches first friction electric formula touch sensor as the table tennis like this, perhaps can produce the friction rather than the surface when second friction electric formula touch sensor. At this time, the signal comparison device can compare the peak values of the electric signals acquired by the two triboelectric touch sensors, and control the alarm device to send out a corresponding alarm signal according to the comparison result. At the moment, the referee can judge the position of the edge ball appearing in the process of the table tennis match according to the alarm signal.
Compared with the prior art, the table tennis table of the technical scheme can realize the positioning effect on the drop point of the table tennis in the using process, thereby being beneficial to helping athletes to train or enabling the competition to be smoothly carried out.
Drawings
Fig. 1 is a schematic structural view of a table tennis table according to an embodiment of the present invention;
FIG. 2 is a block diagram of a stage according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a triboelectric touch sensor according to an embodiment of the present invention;
FIG. 4 is a diagram of an electrical signal output by the triboelectric touch sensor when a table tennis ball is hit on the surface of the triboelectric touch sensor;
FIG. 5 is a schematic view of a table tennis ball hitting a first triboelectric touch sensor;
FIG. 6 is a schematic view of a table tennis ball hitting a second triboelectric touch sensor;
fig. 7 is a top view of a table tennis table according to an embodiment of the present invention.
Reference numerals:
1-a table tennis table; 2-a table body; 3-a pillar; 4-a signal comparison device; 5-an alarm device;
6-a first triboelectric touch sensor; 61-a first sensing portion; 62-a second sensing portion;
7-a second triboelectric touch sensor; 8-a friction material layer; 9-a sensing electrode layer;
10-a third triboelectric touch sensor; 11-a drop point positioning device;
12-a summarizing device; 13-ping-pong ball.
Detailed Description
The embodiment of the utility model provides a table tennis table for realizing the judgement of the placement location of table tennis table. In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail by referring to the following embodiments.
When the present application refers to the ordinal numbers "first", "second", "third" or "fourth", etc., it should be understood that this is done for differentiation only, unless it is clear from the context that the order is actually expressed.
Referring to fig. 1, in various embodiments of the present application, a table tennis table 1 includes a table body 2 and a support column 3 for supporting the table body 2.
As shown in fig. 1 to 7, an embodiment of the present invention provides a table tennis table 1, including: table body 2, signal comparison device 4, alarm device 5 to and be close to the first triboelectric formula touch sensor 6 that the top edge of the side of table body 2 set up, and be close to the second triboelectric formula touch sensor 7 that the lower edge of the side of table body 2 set up, wherein:
the first triboelectric touch sensor 6, the second triboelectric touch sensor 7 and the alarm device 5 are connected to the signal comparison device 4, and the signal comparison device 4 is configured to control the alarm device 5 to emit a corresponding alarm signal according to a comparison result between a peak value of the electrical signal acquired by the first triboelectric touch sensor 6 and a peak value of the electrical signal acquired by the second triboelectric touch sensor 7.
Adopt this technical scheme's table tennis table, because first friction electric formula touch sensor 6 and second friction electric formula touch sensor 7 all are connected with signal comparison device 4, and first friction electric formula touch sensor 6 is close to the last border setting of table body 2 side of table tennis table 1, and second friction electric formula touch sensor 7 is close to the lower border setting of table body 2 side, touches first friction electric formula touch sensor 6 as table tennis 13 like this, perhaps can produce the friction when second friction electric formula touch sensor 7. When the table tennis ball collides, the peak values of the electric signals acquired by the triboelectric touch sensors are different, and at this time, the signal comparison device 4 can compare the peak values of the electric signals acquired by the two triboelectric touch sensors, so as to identify the characteristics of the edge ball, and then control the alarm device 5 to send out a corresponding alarm signal according to the characteristics of the edge ball. The alarm signal may be, but not limited to, a sound signal or an image signal, and a wireless transmitting module may be further disposed in the signal comparing device 4, and a wireless receiving module is disposed in the alarm device 5, so that wireless transmission of the signal between the signal comparing device 4 and the alarm device 5 may be achieved; of course, the signal comparing device 4 and the alarm device 5 may be connected by a signal transmission line, so as to realize wired transmission therebetween. At the moment, the referee can quickly judge the position of the edge-wiping ball appearing in the process of the table tennis game according to the alarm signal, so that the game can be smoothly carried out.
Compared with the prior art, the table tennis table 1 of the technical scheme can realize the positioning effect on the drop point of the table tennis ball 13 in the using process, thereby being beneficial to improving the accuracy of judgment of the judge on the edge ball and enabling the competition to be more equitable. And, when the table tennis table 1 of this technical scheme is used for training, can also effectual help sportsman train according to the condition of falling point.
The utility model discloses a specific embodiment, signal comparison device controls alarm device to send out corresponding alarm signal according to the peak value of the signal of telecommunication that first friction electric formula touch sensor acquireed and the comparative result of the peak value of the signal of telecommunication that second friction electric formula touch sensor acquireed, can be:
when the difference value between the peak value of the electric signal acquired by the first triboelectric touch sensor and the peak value of the electric signal acquired by the second triboelectric touch sensor is positive, the signal comparison device controls the alarm device to send out a first type of alarm signal;
and when the difference value between the peak value of the electric signal acquired by the first triboelectric touch sensor and the peak value of the electric signal acquired by the second triboelectric touch sensor is negative, the signal comparison device controls the alarm device to send out a second type of alarm signal.
Wherein, the first type alarm signal and the second type alarm signal can be the same or different. Referring to fig. 3, fig. 3 is a schematic structural diagram of the first and second triboelectric touch sensors. It can be seen that the first and second triboelectric touch sensors comprise a friction material layer 8 and an induction electrode layer 9 connected in series. The friction material layer 8 may be, but is not limited to, wood, FEP, PTFE, or PET; the sensing electrode layer 9 may be, but not limited to, a conductive material such as copper, aluminum, or carbon, and since the above layer structure may be made of a plurality of materials and is relatively inexpensive, the cost of the table tennis table may be effectively reduced.
The operation principle of the friction electric touch sensor is as follows: the electric quantity of the electric charges of the friction materials on the surfaces of the table tennis and the triboelectric touch sensor is different, so that when the table tennis and the triboelectric touch sensor are impacted and separated, a high potential difference is generated, electrons of an external circuit are driven to move directionally, and an electric signal is generated. In order to facilitate understanding of the above principle, fig. 4 is a graph showing an output electrical signal of a ping-pong ball hitting the surface of the triboelectric touch sensor once, and it can be seen that peak electrical signals of a negative direction and a positive direction are respectively obtained when the ping-pong ball hits and separates from the surface of the triboelectric touch sensor. The peak value of the electric signal acquired by the triboelectric touch sensor can be obtained by converting the difference value of the positive peak value electric signal and the negative peak value electric signal.
The embodiment of the utility model provides an in, first friction electric formula touch sensor 6 and second friction electric formula touch sensor 7 setting up the mode on stage body 2 can have a plurality ofly, as long as collection table tennis 13 that can be comparatively accurate can at the last border of stage body 2 side and the landing position information at border down. Optionally, as shown in fig. 5 and 6, the first triboelectric touch sensor 6 is disposed at a corner of the table body 2, and includes a first sensing portion 61 disposed on the table top of the table body 2 and a second sensing portion 62 disposed on the side surface of the table body 2;
the second frictional electric touch sensor 7 is provided on the side surface of the table body 2, and the second frictional electric touch sensor 7 is provided at an interval from the second sensing portion 62.
Fig. 5 is a schematic view when a side ball is rubbed, and is a side view of the table tennis ball 13 hitting the upper edge of the side face of the table body 2. At this time, referring to fig. 2 and 4, the first triboelectric touch sensor 6 will generate a peak electric signal, and the signal comparison device 4 simultaneously collects the electric signals of the two triboelectric touch sensors, and makes a determination by comparing the difference between the two electric signals. Similarly, fig. 6 is a side view of the table tennis ball 13 hitting the lower edge of the table body 2.
Referring to fig. 1, 2 and 7, in any embodiment of the present invention, optionally, the table tennis table 1 further includes a drop point positioning device 11, and a plurality of third triboelectric touch sensors 10 disposed on the table top of the table body 2, wherein the drop point positioning device 11 is configured to receive a peak value of an electrical signal acquired by the plurality of third triboelectric touch sensors 10.
The third triboelectric touch sensor 10 may have the same or different structural form as the first and second triboelectric touch sensors, and may operate in the same principle. For example, referring to fig. 3, the third triboelectric touch sensor 10 may also include a friction material layer 8 and an induction electrode layer 9, which are stacked, wherein the friction material layer 8 may be, but not limited to, a dielectric material such as wood, FEP, PTFE, or PET; the sensing electrode layer 9 may be, but is not limited to, a conductive material such as copper, aluminum, or carbon.
The basic working principle of the drop point positioning device 11 is as follows: when the table tennis falls on different positions of the table board, the third triboelectric touch sensor 10 corresponding to the position can be impacted, the impacted third triboelectric touch sensor 10 can generate an electric signal, the electric signal is converted into a peak value of the corresponding electric signal and is transmitted to the falling point positioning device 11, so that the falling point positioning of the table tennis on the table board is obtained through the falling point positioning device 11, then the combat and training states of the athlete can be evaluated through a plurality of data collected by the falling point positioning device 11, and the combat skill of the athlete can be adjusted according to the evaluation result.
Referring to fig. 7, fig. 7 is a plan view of the distribution of the third frictional touch sensors 10 on the table top of the table body 2. In the embodiment of the present invention, optionally, the plurality of third triboelectric touch sensors 10 are arranged in an array.
The third triboelectric sensors 10 are uniformly distributed on the table top of the table body 2, so that the drop point positioning device 11 in fig. 2 can perform drop point positioning on table tennis balls dropped on various angles of the table top. The size of the third friction touch sensor 10 can be adjusted according to the precision requirement.
Further, referring to fig. 2, in the embodiment of the present invention, optionally, the table tennis table 1 further includes a summarizing device 12 connected to the drop point positioning device 11, and the summarizing device 12 is configured to generate a summarizing data matrix according to a peak value of an electrical signal obtained by the third triboelectric touch sensor 10 received by the drop point positioning device 11 in a set period.
A wireless transmitting module can be arranged in the drop point positioning device 11, and a wireless receiving module is arranged in the summarizing device 12, so that wireless transmission of signals between the drop point positioning device 11 and the summarizing device 12 can be realized; of course, the drop point locating device 11 and the summing device 12 may be connected by a signal transmission line, so as to realize wired transmission therebetween.
The peak value of the electric signal acquired by the plurality of third triboelectric touch sensors 10 received by the drop point positioning device 11 in the set period is generated into a summarized data matrix through the summarizing device 12, so that the training condition of a corresponding athlete in the set period can be more intuitively seen, and the adjusting of the fighting skill is facilitated in time.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A table tennis table, comprising: the stage body, signal comparison device, alarm device to and be close to the first friction electric formula touch sensor that the top edge of the side of stage body set up, and be close to the second friction electric formula touch sensor that the bottom edge of the side of stage body set up, wherein:
the first triboelectric touch sensor, the second triboelectric touch sensor and the alarm device are connected with the signal comparison device, and the signal comparison device is used for controlling the alarm device to send out corresponding alarm signals according to the comparison result of the peak value of the electric signal acquired by the first triboelectric touch sensor and the peak value of the electric signal acquired by the second triboelectric touch sensor.
2. The table tennis table of claim 1, wherein the signal comparison device is configured to control the alarm device to send out a corresponding alarm signal according to a comparison result between a peak value of the electrical signal obtained by the first triboelectric touch sensor and a peak value of the electrical signal obtained by the second triboelectric touch sensor, and specifically comprises:
when the difference value between the peak value of the electric signal acquired by the first triboelectric touch sensor and the peak value of the electric signal acquired by the second triboelectric touch sensor is positive, the signal comparison device controls the alarm device to send out a first type of alarm signal;
and when the difference value between the peak value of the electric signal acquired by the first triboelectric touch sensor and the peak value of the electric signal acquired by the second triboelectric touch sensor is negative, the signal comparison device controls the alarm device to send out a second type of alarm signal.
3. The table tennis table of claim 1, wherein the alarm signal is an audio signal or a visual signal.
4. The table tennis table of claim 1, wherein the first triboelectric touch sensor is disposed at a corner of the table body, and comprises a first sensing portion disposed at a table top of the table body and a second sensing portion disposed at a side of the table body;
the second friction electric type touch sensor is arranged on the side face of the table body, and the second friction electric type touch sensor and the second sensing portion are arranged at intervals.
5. The table tennis table of claim 1, further comprising a landing location device and a plurality of third triboelectric touch sensors disposed on the playing surface of the table body, wherein the landing location device is configured to receive a peak value of the electrical signal obtained by the plurality of third triboelectric touch sensors.
6. The table tennis table of claim 5, wherein the plurality of third triboelectric touch sensors are arranged in an array.
7. The table tennis table of claim 6, further comprising a summing device coupled to the drop point locating device, wherein the summing device is configured to generate a summed data matrix based on the peak values of the electrical signals received by the drop point locating device over a set period and obtained by the third plurality of triboelectric touch sensors.
8. The table tennis table of any one of claims 5 to 7, wherein the third triboelectric touch sensor comprises a friction material layer and an induction electrode layer, which are stacked.
9. The table tennis table of any one of claims 1 to 7, wherein the first triboelectric touch sensor comprises a friction material layer and an induction electrode layer, which are stacked;
the second triboelectric touch sensor includes a friction material layer and an induction electrode layer that are stacked.
10. The table tennis table of claim 9, wherein the friction material layer is made of wood, FEP, PTFE or PET; the material of the induction electrode layer is copper, aluminum or carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920968185.3U CN210446129U (en) | 2019-06-25 | 2019-06-25 | Table tennis table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920968185.3U CN210446129U (en) | 2019-06-25 | 2019-06-25 | Table tennis table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210446129U true CN210446129U (en) | 2020-05-05 |
Family
ID=70442239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920968185.3U Active CN210446129U (en) | 2019-06-25 | 2019-06-25 | Table tennis table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210446129U (en) |
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2019
- 2019-06-25 CN CN201920968185.3U patent/CN210446129U/en active Active
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