CN106823319B

CN106823319B - Racket sensor

Info

Publication number: CN106823319B
Application number: CN201710099799.8A
Authority: CN
Inventors: 贾奎
Original assignee: Shenzhen Wuniu Technology Co ltd
Current assignee: Shenzhen Wuniu Technology Co ltd
Priority date: 2017-02-23
Filing date: 2017-02-23
Publication date: 2022-01-18
Anticipated expiration: 2037-02-23
Also published as: CN106823319A

Abstract

A racket sensor, comprising: the front assembly comprises a front shell, a front bottom shell and a front silica gel sheet, one side of the front shell extends downwards to form a front end cover, and the middle part of the front end cover is provided with a front nut; the rear assembly comprises a rear shell, a rear bottom shell and a rear silica gel sheet, one side of the rear shell extends upwards to form a mounting seat, and a rear nut is arranged in the middle of the mounting seat; the front silica gel sheet corresponds to the rear silica gel sheet, the front end cover is arranged on the outer side of the mounting seat, so that the front nut and the rear nut are mutually communicated and positioned on the same central axis, and screws are sequentially inserted into the front nut and the rear nut; the rubber sleeve is wound and sleeved from one side of the mounting seat on the lower end face of the rear shell to one side of the front end cover on the upper end face of the front shell. The invention not only has light weight, but also has simple and convenient installation mode, and can directly replace the shock absorber which is originally used in the tennis racket to be installed in the racket string of the tennis racket, thereby avoiding the problem that the sportsman influences the sport effect due to the installation mode and the weight.

Description

Racket sensor

Technical Field

The invention relates to sports equipment accessories, in particular to a racket sensor capable of identifying the sports state of a racket and analyzing sports data.

Background

Currently, tennis ball type intelligent monitoring on the market can accurately identify tennis motion data only by installing corresponding intelligent hardware at a handle of a tennis racket. Installing intelligent hardware at the tennis racket handle not only can seriously influence the tennis racket handle feel, even lead to the sportsman to exert the abnormality in the field of the race. Therefore, many athletes using the intelligent hardware on the market are used during practice for avoiding match errors, and the intelligent hardware such as tennis is removed during match, so that the intelligent hardware only realizes the semi-intelligent function. In addition, the existing tennis type intelligent hardware on the market is also large in weight, so that data to be checked must be linked with a mobile phone App, and the problem of small fouling is brought to athletes.

Disclosure of Invention

The invention provides a racket sensor for solving the problems that the existing tennis intelligent hardware is unreasonable in installation mode, overlarge in weight of the intelligent hardware and the like.

The technical scheme adopted by the invention for solving the technical problems is as follows: a racket sensor, comprising: the front assembly comprises a front shell, a front bottom shell and a front silica gel sheet which are sequentially connected from top to bottom, the left side and the right side of the front shell extend downwards to form a front end cover, and a front nut is arranged in the middle of the front end cover; the rear assembly comprises a rear shell, a rear bottom shell and a rear silica gel sheet which are sequentially connected from bottom to top, the same side of the rear shell and the front end cover extends upwards to form a mounting seat, and a rear nut is arranged in the middle of the mounting seat; the front silica gel sheet corresponds to the rear silica gel sheet, the front end cover is arranged on the outer side of the mounting seat, so that the front nut and the rear nut are mutually communicated and positioned on the same central axis, and screws are sequentially inserted into the front nut and the rear nut; the rubber sleeve is wound from one side of the mounting seat on the lower end face of the rear shell to one side of the front end cover on the upper end face of the front shell.

As a preferred scheme, front positioning grooves are formed on two sides of the front nut on the front end cover in a concave mode, and front positioning teeth are arranged on the other side, opposite to the front end cover, of the front shell;

one side of the lower end surface of the rear shell, which is close to the mounting seat, is recessed to form a rear positioning groove, and the other side of the lower end surface of the rear shell is provided with rear positioning teeth;

the inner side of the rubber sleeve is provided with a plurality of convex buckles which are respectively and fixedly connected in the rear positioning groove, the rear positioning tooth, the front positioning tooth and the front positioning groove correspondingly.

Preferably, the display screen is embedded in the upper end face of the front shell.

As a preferred scheme, a rear shell installation cavity is formed between the rear shell and the rear bottom shell, the battery assembly is installed in the rear shell installation cavity, and a charging port of the battery assembly is embedded in the lower end face of the rear shell; a front shell installation cavity is formed between the front shell and the front bottom shell, and the electronic device is installed in the front shell installation cavity and connected with the display screen.

Preferably, an electrode assembly for connecting an electronic device is inserted into the front bottom case, an end hole for butting the battery assembly is reserved in the rear bottom case, and a terminal of the electrode assembly penetrates through the front and rear silicone sheets to be inserted into the end hole.

As a preferred scheme, a six-axis sensor, an MCU (microprogrammed control unit) singlechip and a Bluetooth module are arranged on the electronic device, and the six-axis sensor acquires racket motion data and transmits the racket motion data to the MCU singlechip for processing; the MCU singlechip analyzes and processes the data of the six-axis sensor, analyzes and matches the batting type through an intelligent tennis algorithm, calculates batting strength, speed, rotation degree and batting position, generates swing trajectory data, and simultaneously displays the data on the display screen; the Bluetooth module transmits data analyzed and processed by the MCU singlechip to a mobile phone or a tablet personal computer through Bluetooth signals.

Preferably, the lower end face of the rear shell is embedded with a first magnet, and a charging terminal for positioning and adsorbing the second magnet and connecting a charging port of the battery pack is arranged in a cavity of a charging seat of the racket sensor.

According to the preferable scheme, the lower end face of the front bottom shell is convexly provided with a limiting protrusion penetrating through the front silica gel sheet, the upper end face of the rear bottom shell is convexly provided with a limiting groove penetrating through the rear silica gel sheet, and the limiting protrusion is inserted into the limiting groove.

Preferably, the rubber sleeve is made of TPU material.

Preferably, three to four tennis strings can be clamped between the front and rear silica gel sheets.

Compared with the prior art, the invention has the beneficial effects that: the sensor of the invention not only has light weight, but also has simple and convenient installation mode, and can directly replace the shock absorber which is originally used in the tennis racket to be installed in the racket string of the tennis racket, thereby avoiding the problem that the sportsman influences the sport effect due to the installation mode and the weight. In addition, the invention is also provided with a display screen structure, so that the motion data can be displayed to the user for watching through the display screen in real time, and the function of watching the data offline is really realized.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced, wherein:

FIG. 1 is a schematic overall structure of a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the front assembly in accordance with the preferred embodiment of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the rear assembly according to the preferred embodiment of the present invention;

FIG. 4 is a schematic view of the connection of the front and rear components of the preferred embodiment of the present invention;

FIG. 5 is a schematic diagram of a rubber sleeve unfolding structure according to a preferred embodiment of the present invention;

FIG. 6 is a schematic view of a charging stand according to a preferred embodiment of the present invention;

FIG. 7 is a block diagram of the circuit operation of the preferred embodiment of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for clarity of description only, and are not used to limit the scope of the invention, and the relative relationship between the terms and the terms is not changed or modified substantially without changing the technical content of the invention.

Referring to fig. 1, a racket sensor according to a preferred embodiment of the present invention mainly includes: front assembly 10, rear assembly 20, and a glue cover 31 and screws 32 connecting the front and rear assemblies.

Referring to fig. 2, the front assembly 10 mainly includes: front shell 11, front bottom shell 12 and front silicone sheet 13. The upper end face and the left and right side faces of the front housing 11 are of an integrated arc structure, and the upper end face of the front housing 11 is provided with a through hole in a protruding manner, and the display screen 41 is embedded through the through hole. The left side and the right side of the front shell 11 extend downwards to form a front end cover 14, a through hole is formed in the middle of the front end cover 14, a front nut 18 is fixed in the through hole, and front positioning grooves 15 are formed in the front end cover 14 in a concave mode on two sides of the front nut 18. The front shell 11 is provided with front positioning teeth 16 on the other side of the front end cover 14. The lower end of the front shell 11 is fixedly connected with the front bottom shell 12, a front shell installation cavity is formed between the front shell 11 and the front bottom shell 12, and the electronic device 42 is installed in the front shell installation cavity and is mutually connected with the display screen 41. Limiting bulges 17 are formed on the lower end surface of the front bottom shell 12 in a protruding mode, an electrode assembly 43 used for connecting an electronic device 42 is further inserted into the front bottom shell 12, and an opening of the front silicon rubber sheet 13 is reserved on the limiting bulges 17 and terminals of the electrode assembly 43 and are fixedly attached to the lower end surface of the front bottom shell 12.

Referring to fig. 3, the rear assembly 20 mainly includes: a rear shell 21, a rear bottom shell 22 and a rear silicone sheet 23. The lower end face and the left and right side faces of the rear shell 21 are of an integrated arc structure, the lower end face of the rear shell 21 is embedded with a first magnet 24, and the first magnet 24 is used for positioning and connecting with a charging seat 50 of the racket sensor. The rear shell 21 is extended upward from the same side of the front cover 14 to form a mounting seat 24, a rear nut 28 is mounted in the middle of the mounting seat 24, and a rear positioning groove (not shown) is formed in a recessed manner on a side of the lower end surface of the rear shell 21 close to the mounting seat 24. The other side of the rear shell 21 opposite to the mounting seat 24 is provided with rear positioning teeth 26 side by side. The upper end of the rear shell 21 is connected and fixed with the rear bottom shell 22, a rear shell installation cavity is formed between the rear shell 21 and the rear bottom shell 22, the battery assembly 44 is installed in the rear shell installation cavity, and the charging port of the battery assembly 44 is embedded in the lower end face of the rear shell 21. The upper end surface of the rear bottom shell 22 protrudes to form a limiting groove 27, an end hole 45 for butting the battery assembly 44 is reserved on the rear bottom shell 22, and the rear silica gel sheet 23 is provided with a hole to avoid the limiting groove 27 and the end hole 45 and is fixedly attached to the upper end surface of the rear bottom shell 22.

Referring to fig. 4, the front silicone sheet 13 of the front assembly corresponds to the rear silicone sheet 23 of the rear assembly, the limiting protrusion 17 is inserted into the limiting groove 27, the terminal of the electrode assembly 43 is inserted into the terminal hole 45, and the front end cap 14 covers the outer side of the mounting seat 24, so that the front nut 18 and the rear nut 28 are communicated with each other and located on the same central axis, and the front nut 18 and the rear nut 28 are sequentially inserted by using the screw 32.

Referring to fig. 5, the rubber sleeve 31 is made of a soft TPU material and has an unclosed annular structure. The rubber sleeve 31 is wound around the front end cover 14 of the upper end surface of the front housing 11 from the side of the mounting seat 24 of the lower end surface of the rear housing 21, and a plurality of convex buttons 33 are formed on the inner side of the rubber sleeve 31, and the convex buttons 33 are respectively and fixedly connected to the rear positioning groove, the rear positioning tooth 26, the front positioning tooth 16 and the front positioning groove 15. The openings of the display screen 41, the first magnet 24 and the charging port are reserved on the upper and lower end surfaces of the rubber sleeve 31. The invention positions and connects the two sides of the front and rear components through the rubber sleeve 31 and the screw 32.

The use process of the invention is as follows: the screw 32 is unscrewed to withdraw the screw 32 from the rear nut 28, at which time the front and rear components are opened; three to four net strings in the middle of the bottom of the tennis racket are sequentially arranged at the opening between the front assembly and the rear assembly, and the terminal of the electrode assembly 43 and the limiting bulge 17 are positioned between the net strings; the front and rear assemblies are then fastened so that the front and rear silicone pieces clamp the mesh wire, and then the screws 32 are screwed up and inserted into the rear nuts 28, thereby completing the installation.

Referring to fig. 6, the charging stand 50 is a cavity structure capable of accommodating the device, a charging terminal 51 and a second magnet 52 are disposed in the cavity, when the sensor is inserted for charging, the first magnet 24 is correspondingly attracted and connected to the second magnet 52 for positioning, and the charging port of the battery assembly 44 is correspondingly connected to the charging terminal 52 for charging.

Referring to fig. 7, the electronic device 42 is connected to the battery assembly 44 through the electrode assembly 43, and the battery assembly 44 provides the operating voltage for the apparatus. The electronic device 42 is mainly provided with a six-axis sensor, an MCU (microprogrammed control unit) and a Bluetooth module, wherein the six-axis sensor acquires racket motion data and transmits the racket motion data to the MCU for processing. The MCU single chip microcomputer analyzes and processes the data of the six-axis sensor, the intelligent tennis ball algorithm analyzes and matches the hitting type, the hitting force, speed, rotation degree and hitting position are calculated, swing track data are generated, and meanwhile the display screen 41 displays the data. The Bluetooth module transmits data analyzed and processed by the MCU singlechip to a mobile phone or a tablet personal computer through Bluetooth signals, the mobile phone or the tablet personal computer displays the hitting speed, the rotation degree and the hitting position by utilizing an annular diagram and a simulated racket diagram, displays the speed, the sweet spot and the rotation score of multiple data by utilizing a oscillogram, transmits the data to a cloud server through a network, the cloud server provides a data synchronization interface, calculates the ranking and realizes the social function, and analyzes the data and forms a motion report.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention in any way, and any brief modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are within the technical scope of the present invention.

Claims

1. A racket sensor, comprising: the front assembly comprises a front shell, a front bottom shell and a front silica gel sheet which are sequentially connected from top to bottom, the left side and the right side of the front shell extend downwards to form a front end cover, and a front nut is arranged in the middle of the front end cover; the rear assembly comprises a rear shell, a rear bottom shell and a rear silica gel sheet which are sequentially connected from bottom to top, the same side of the rear shell and the front end cover extends upwards to form a mounting seat, and a rear nut is arranged in the middle of the mounting seat; the front silica gel sheet corresponds to the rear silica gel sheet, three to four tennis lines can be clamped between the front silica gel sheet and the rear silica gel sheet, the front end cover is arranged on the outer side of the mounting seat, so that the front nut and the rear nut are mutually communicated and positioned on the same central axis, and screws are sequentially inserted into the front nut and the rear nut; the rubber sleeve is wound from one side of the mounting seat on the lower end face of the rear shell to one side of the front end cover on the upper end face of the front shell.

2. The racket sensor of claim 1, wherein the front cap has front positioning slots formed on both sides of the front nut, and the front shell has front positioning teeth on the other side opposite to the front cap;

the inner side of the rubber sleeve is provided with a plurality of convex buckles which are respectively and correspondingly connected in the rear positioning groove, the rear positioning tooth, the front positioning tooth and the front positioning groove.

3. The racket sensor of claim 1 wherein a display screen is embedded in the upper end surface of the front housing.

4. The racket sensor of claim 3, wherein a rear case installation cavity is formed between the rear case and the rear bottom case, the battery assembly is installed in the rear case installation cavity, and the charging port of the battery assembly is embedded in the lower end surface of the rear case; a front shell installation cavity is formed between the front shell and the front bottom shell, and the electronic device is installed in the front shell installation cavity and connected with the display screen.

5. The racket sensor as claimed in claim 4, wherein the front bottom case is inserted with an electrode assembly for connecting with an electronic device, the rear bottom case is reserved with an end hole for connecting with a battery assembly, and a terminal of the electrode assembly passes through the front and rear silicone sheets and is inserted into the end hole.

6. The racket sensor according to claim 4, characterized in that the electronic device is provided with six-axis sensor, MCU single chip and Bluetooth module, the six-axis sensor obtains racket motion data and transmits the racket motion data to the MCU single chip for processing; the MCU singlechip analyzes and processes the data of the six-axis sensor, analyzes and matches the batting type through an intelligent tennis algorithm, calculates batting strength, speed, rotation degree and batting position, generates swing trajectory data, and simultaneously displays the data on the display screen; the Bluetooth module transmits data analyzed and processed by the MCU singlechip to a mobile phone or a tablet personal computer through Bluetooth signals.

7. The racket sensor as claimed in claim 4, wherein the first magnet is embedded in the lower end surface of the rear case, and the second magnet for positioning and attracting the first magnet and the charging terminal connected to the charging port of the battery module are installed in the cavity of the charging seat of the racket sensor.

8. The racket sensor according to any one of claims 1 to 7, wherein a limiting protrusion is formed on a lower end surface of the front bottom case in a protruding manner and penetrates through the front silicone piece, a limiting groove is formed on an upper end surface of the rear bottom case in a protruding manner and penetrates through the rear silicone piece, and the limiting protrusion is inserted into the limiting groove.

9. The racket sensor of any of claims 1 through 7 wherein said gum cover is made from a TPU material.