Game chair safety early warning system

Abstract

The invention relates to the technical field of game chair control early warning, and discloses a game chair safety early warning system which comprises an environment data acquisition module, an environment data analysis module and a safety early warning module, and the environment data acquisition module comprises a game chair activity data acquisition unit and an external environment data acquisition unit. According to the system, the distance of a nearest object collected by each ultrasonic sensor on a game chair is recorded, the minimum distance recorded by each sensor is recorded, a game chair moving position information base is constructed, and then a distance risk coefficient and a speed risk coefficient which are finally obtained are comprehensively calculated, so that the game chair moving position information base is constructed. The comprehensive risk level is calculated based on the finally obtained distance risk coefficient and the speed risk coefficient, and the early warning instruction is executed based on the comprehensive risk level, so that the amplitude of the game chair is reduced during early warning, collision damage is reduced, meanwhile, the amplitude weakening can ensure that game players can timely perceive that someone or animals approach, and the safety of the game players is improved. Therefore, timely closing is realized.

Description

Technical Field

[0001] The present invention relates to the technical field of game chair control and warning, and specifically to a game chair safety warning system. Background Art

[0002] With the continuous progress of society and the rapid development of technology, the material life has become increasingly rich. People have higher and higher requirements for spiritual life, and game chairs have emerged as the times require. Playing video games is a popular form of entertainment. In order to enhance the video game experience, accessories are often used when playing video games. Game chairs are a type of accessory that has features superior to traditional seats. Some game chairs are easy to rotate and / or swing when playing VR games because such movements enhance the game experience. Some other game chairs emit sounds and / or vibrations related to VR games. However, existing game chairs will generate large pitch / deflection angles during operation. During home use, if family members, friends or animals approach, it may cause collisions with them, resulting in unnecessary injuries. Summary of the Invention

[0003] (I) Technical Problems to be Solved Aiming at the deficiencies of the prior art, the present invention provides a game chair safety warning system, which has the advantages of warning approaching objects, etc., and solves the above technical problems.

[0004] (II) Technical Solutions To achieve the above object, the present invention provides the following technical solution: A game chair safety warning system includes an environmental data acquisition module, an environmental data analysis module, and a safety warning module; The environmental data acquisition module includes a game chair activity data acquisition unit and an external environmental data acquisition unit. The game chair activity data acquisition unit is used to acquire all the activity positions of the current game chair and construct a game chair activity position information library. The external environmental data acquisition unit obtains external environmental data based on ultrasonic sensors installed on the game chair; The environmental data analysis module performs comprehensive calculations on the external environmental data and the game chair activity position information library collected in the environmental data acquisition module to finally obtain a distance risk coefficient and a speed risk coefficient, and sends the calculated distance risk coefficient to the safety warning module; The safety warning module includes a warning unit and a calibration unit. The warning unit calculates a comprehensive risk level based on the finally obtained distance risk coefficient and speed risk coefficient, and executes a warning instruction based on the comprehensive risk level. The calibration unit is used to re-calibrate the constructed game chair activity position information library when the game chair is installed or its position is readjusted.

[0005] As a preferred technical solution of the present invention, the specific steps for the game chair activity data acquisition unit to collect all the active positions of the current game chair and construct the game chair activity position information library are as follows: Step A1: Set the orientation of the game chair and initialize the orientation azimuth of the game chair; Step A2: Rotate the game chair several times in the extreme directions; Step A3: Record the distance of the nearest object collected by each ultrasonic sensor on the game chair, record the minimum distance recorded by each sensor, and construct the game chair activity position information library.

[0006] As a preferred technical solution of the present invention, the specific expression of the game chair activity position information library is as follows: Among them, represents the game chair activity position information library, represents the minimum distance collected by the first ultrasonic sensor, and the first ultrasonic sensor is arranged on the left side of the backrest of the game chair, represents the minimum distance collected by the second ultrasonic sensor, and the second ultrasonic sensor is arranged on the top of the backrest of the game chair, represents the minimum distance collected by the third ultrasonic sensor, and the third ultrasonic sensor is arranged on the right side of the backrest of the game chair, represents the minimum distance collected by the fourth ultrasonic sensor, and the fourth ultrasonic sensor is arranged at the end of the pedal of the backrest of the game chair.

[0007] As a preferred technical solution of the present invention, the expression of the external environment data collected by the external environment data acquisition unit is as follows: Among them, represents the external environment data set, represents the distance collected by the first ultrasonic sensor at moment, represents the distance collected by the second ultrasonic sensor at moment, The distance collected by the third ultrasonic sensor at moment, represents the distance collected by the fourth ultrasonic sensor at moment.

[0008] As a preferred technical solution of the present invention, the specific steps for the environmental data analysis module to finally obtain the distance risk coefficient through comprehensive calculation based on the external environment data collected by the environmental data acquisition module and the game chair activity position information library are as follows: Step A1: Calculate the th distance risk coefficient of the th ultrasonic sensor. The specific expression is as follows: Among them, represents the th distance risk coefficient, represents the minimum distance collected by the th ultrasonic sensor, represents the distance collected by the th ultrasonic sensor at ; Step A2: Output the largest one among the distance risk coefficients of the four ultrasonic sensors as the finally obtained distance risk coefficient. The specific expression is as follows: Among them, represents selecting the largest one in the interval of for output, represents the finally obtained distance risk coefficient.

[0009] As a preferred technical solution of the present invention, the specific steps for the environmental data analysis module to comprehensively calculate the finally obtained speed risk coefficient based on the external environmental data collected by the environmental data collection module and the gaming chair activity position information library are as follows: Step B1: Calculate the speed risk coefficient of the th ultrasonic sensor. The specific expression is as follows: Among them, represents the speed risk coefficient of the th ultrasonic sensor, represents the distance collected by the th ultrasonic sensor at moment, represents the distance collected by the th ultrasonic sensor at moment, represents the sampling time interval, ; Step B2: Output the largest one among the speed risk coefficients of the four ultrasonic sensors as the finally obtained distance risk coefficient. The specific expression is as follows: Among them, represents the finally obtained distance risk coefficient, represents the th ultrasonic sensor's speed risk coefficient, represents selecting the largest one in for output.

[0010] As a preferred technical solution of the present invention, the specific steps for the warning unit to calculate the comprehensive risk level based on the finally obtained distance risk coefficient and speed risk coefficient are as follows: Step C1: Input the finally obtained distance risk coefficient and speed risk coefficient into the distance judgment function and speed judgment function respectively, and output the distance risk level and speed risk level respectively; Step C2: Obtain the comprehensive risk level based on the distance risk level and speed risk level. Specifically: If the output distance risk level and speed risk level are uploaded from the same ultrasonic sensor, that is, and , then calculate the comprehensive risk level by comprehensively calculating the distance risk level and speed risk level, and execute the warning instruction according to the comprehensive risk level. If the output distance risk level and speed risk level are not uploaded from the same ultrasonic sensor, that is, and When, then take the higher one of the distance risk level and speed risk level as the comprehensive risk level, and execute the warning instruction according to the comprehensive risk level.

[0011] As a preferred technical solution of the present invention, the specific expressions of the distance judgment function and speed judgment function are as follows: Distance judgment function: Speed judgment function: Among them, Represents the distance judgment function, and its output result is used as the distance risk level, Represents the speed judgment function, and its output result is used as the speed risk level, Respectively represent the first threshold and the second threshold of distance judgment, Respectively represent the first threshold and the second threshold of speed judgment.

[0012] As a preferred technical solution of the present invention, the specific calculation expression of the comprehensive risk level is as follows: Among them, Represents the comprehensive risk level, Represents the rounding function, And Respectively represent the weight coefficients whose sum is 1, Represents the distance judgment function, Represents the speed judgment function.

[0013] As a preferred technical solution of the present invention, the specific steps for executing the warning instruction based on the comprehensive risk level are as follows: When the comprehensive risk level Warning value When, reduce the activity range of the gaming chair by 60% - 70%, and at the same time emit vibration; When the comprehensive risk level Warning value When, no warning is made.

[0014] Compared with the prior art, the present invention provides a game chair safety warning system, which has the following beneficial effects: The present invention records the distance of the nearest object collected by each ultrasonic sensor on the game chair, records the minimum distance recorded by each sensor, constructs a game chair activity position information library, and then comprehensively calculates the finally obtained distance risk coefficient and speed risk coefficient. Based on the finally obtained distance risk coefficient and speed risk coefficient, a comprehensive risk level is calculated, and based on the comprehensive risk level, a warning instruction is executed, so as to reduce the amplitude of the game chair during warning and reduce the collision damage. At the same time, the weakening of the amplitude and vibration can ensure that the game personnel can timely detect the approach of people or animals, so as to turn off in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the system framework of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0017] Please refer to Figure 1 , a game chair safety warning system, including an environmental data acquisition module, an environmental data analysis module and a safety warning module; The environmental data acquisition module includes a game chair activity data acquisition unit and an external environmental data acquisition unit. The game chair activity data acquisition unit is used to collect all the activity positions of the current game chair and construct a game chair activity position information library. The external environmental data acquisition unit obtains external environmental data based on the ultrasonic sensors installed on the game chair. The specific steps for the game chair activity data acquisition unit to collect all the activity positions of the current game chair and construct a game chair activity position information library are as follows: Step A1: Set the orientation of the game chair and initialize the orientation azimuth of the game chair; Step A2: Rotate the game chair in several extreme directions; Step A3: Record the distance of the nearest object collected by each ultrasonic sensor on the game chair, record the minimum distance recorded by each sensor, and construct a game chair activity position information library. The specific expression is as follows: Among them, represents the game chair activity position information library, represents the minimum distance collected by the first ultrasonic sensor. The first ultrasonic sensor is arranged on the left side of the backrest of the game chair, represents the minimum distance collected by the second ultrasonic sensor, and the second ultrasonic sensor is set at the top of the backrest of the gaming chair. represents the minimum distance collected by the third ultrasonic sensor, and the third ultrasonic sensor is set on the right side of the backrest of the gaming chair. represents the minimum distance collected by the fourth ultrasonic sensor, and the fourth ultrasonic sensor is set at the end of the pedal of the backrest of the gaming chair. The external environment data collected by the external environment data acquisition unit is expressed as follows: where represents the external environment data set. represents the distance collected by the first ultrasonic sensor at moment. represents the distance collected by the second ultrasonic sensor at moment. The distance collected by the third ultrasonic sensor at moment. represents the distance collected by the fourth ultrasonic sensor at moment; When collecting the external environment data by the external environment data acquisition unit, when , , , any one of the distances is less than the distance threshold set at the factory of the gaming chair, directly jump to the safety warning module and control the gaming chair to stop to avoid collisions; The environment data analysis module performs comprehensive calculations based on the external environment data collected in the environment data acquisition module and the gaming chair activity position information library to finally obtain the distance risk coefficient and speed risk coefficient, and sends the calculated distance risk coefficient to the safety warning module; The specific steps for the environment data analysis module to finally obtain the distance risk coefficient based on the external environment data collected in the environment data acquisition module and the gaming chair activity position information library are as follows: Step A1: Calculate the th distance risk coefficient of the th ultrasonic sensor, and the specific expression is as follows: where represents the th distance risk coefficient, represents the minimum distance collected by the th ultrasonic sensor, represents the distance collected by the th ultrasonic sensor at moment, ; Step A2: Output the largest one among the distance risk coefficients of the four ultrasonic sensors as the finally obtained distance risk coefficient. The specific expression is as follows: Among them, means to select the largest one in the interval of for output, and represents the finally obtained distance risk coefficient.

[0018] The specific steps for the environmental data analysis module to finally obtain the speed risk coefficient through comprehensive calculation based on the external environmental data collected by the environmental data collection module and the gaming chair activity position information library are as follows: Step B1: Calculate the speed risk coefficient of the th ultrasonic sensor. The specific expression is as follows: Among them, represents the speed risk coefficient of the th ultrasonic sensor, represents the distance collected by the th ultrasonic sensor at time , represents the distance collected by the th ultrasonic sensor at time , represents the sampling time interval, ; Step B2: Output the largest one among the speed risk coefficients of the four ultrasonic sensors as the finally obtained distance risk coefficient. The specific expression is as follows: Among them, represents the finally obtained distance risk coefficient, represents the speed risk coefficient of the th ultrasonic sensor, means to select the largest one in for output; When the environmental data analysis module executes Step B1, it also includes that when the speed risk coefficient of the th ultrasonic sensor exceeds the speed threshold, it directly jumps to the safety warning module and controls the gaming chair to stop to avoid collisions caused during the sampling time interval; The safety warning module includes a warning unit and a calibration unit. The warning unit calculates the comprehensive risk level based on the finally obtained distance risk coefficient and speed risk coefficient, and executes a warning instruction based on the comprehensive risk level. The calibration unit is used to re-calibrate the constructed game chair active position information library when the game chair is installed or its position is readjusted. Here, the calibration unit requires active calibration by the staff. The specific steps for the warning unit to calculate the comprehensive risk level based on the finally obtained distance risk coefficient and speed risk coefficient are as follows: Step C1: Input the finally obtained distance risk coefficient and speed risk coefficient into the distance judgment function and speed judgment function respectively, and output the distance risk level and speed risk level respectively; Step C2: Obtain the comprehensive risk level based on the distance risk level and speed risk level. Specifically: If the output distance risk level and speed risk level are uploaded from the same ultrasonic sensor, that is, and , then comprehensively calculate the distance risk level and speed risk level to obtain the comprehensive risk level, and execute the warning instruction according to the comprehensive risk level. If the output distance risk level and speed risk level are not uploaded from the same ultrasonic sensor, that is, and When, then take the higher one of the distance risk level and speed risk level as the comprehensive risk level, and execute the warning instruction according to the comprehensive risk level. And the specific expressions of the distance judgment function and speed judgment function are as follows: Distance judgment function: Speed judgment function: Among them, Represents the distance judgment function, and its output result is used as the distance risk level, Represents the speed judgment function, and its output result is used as the speed risk level, , Respectively represent the first threshold and the second threshold of distance judgment, , Respectively represent the first threshold and the second threshold of speed judgment. The specific calculation expression of the comprehensive risk level is as follows: Among them, Represents the comprehensive risk level, Represents the rounding function, And Respectively represent the weight coefficients whose sum is 1, Represents the distance judgment function, Represents the speed judgment function. The specific steps for executing the warning instruction based on the comprehensive risk level are: When the comprehensive risk level Warning value When the amplitude of the gaming chair decreases by 60% - 70%, vibration is emitted simultaneously. The weakening of the amplitude can ensure that the gamer can promptly detect the approach of a person or an animal, and thus close it in time; When the comprehensive risk level Early warning value is reached, no early warning is given. Embodiment

[0019] The data recorded in this embodiment are shown in Table 1 below; Table 1

[0020] At this time, calculate , , , , , , , , , ; At this time , , and early warning is given at this time; Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gaming chair safety warning system, characterized in that: It includes environmental data collection module, environmental data analysis module and safety early warning module; The environmental data acquisition module includes a gaming chair activity data acquisition unit and an external environment data acquisition unit. The gaming chair activity data acquisition unit is used to collect all current activity positions of the gaming chair and build an information base of the activity positions of the gaming chair. The external environment data acquisition unit acquires external environment data based on an ultrasonic sensor installed on the gaming chair. The environmental data analysis module performs comprehensive calculation based on the external environmental data collected in the environmental data collection module and the gaming chair activity position information library to obtain the distance risk coefficient and the speed risk coefficient, and sends the calculated distance risk coefficient to the safety warning module; The safety warning module includes a warning unit and a correction unit. The warning unit calculates a comprehensive risk level based on the final distance risk coefficient and speed risk coefficient, and executes a warning instruction based on the comprehensive risk level. The correction unit is used to recalibrate the constructed gaming chair activity position information library when the gaming chair is installed or readjusted.

2. A gaming chair safety warning system according to claim 1, characterized in that: The specific steps of the gaming chair activity data collection unit for collecting all current activity positions of the gaming chair and constructing a gaming chair activity position information library are as follows: Step A1: setting the orientation of the gaming chair and initializing the orientation of the gaming chair; Step A2: Rotate the gaming chair in several extreme directions; Step A3: Record the distance of the nearest object collected by each ultrasonic sensor on the gaming chair, record the minimum distance recorded by each sensor, and build a gaming chair activity position information database.

3. A gaming chair safety warning system according to claim 1, characterized in that: The specific expression of the gaming chair activity position information library is as follows: in, Represents the gaming chair activity position information database, represents the minimum distance collected by the first ultrasonic sensor, the first ultrasonic sensor being arranged on the left side of the back of the gaming chair, represents the minimum distance collected by the second ultrasonic sensor, the second ultrasonic sensor being arranged on the top of the back of the gaming chair, Indicates the minimum distance collected by the third ultrasonic sensor, the third ultrasonic sensor is arranged on the right side of the back of the gaming chair, Indicates the minimum distance collected by the fourth ultrasonic sensor, where the fourth ultrasonic sensor is located at the end of the back pedal of the gaming chair.

4. A gaming chair safety warning system according to claim 3, characterized in that: The external environment data collected by the external environment data collection unit is expressed as follows: in, Represents the external environment dataset, Indicates that the first ultrasonic sensor is The distance collected at any time, Indicates that the second ultrasonic sensor is The distance collected at any time, The third ultrasonic sensor is The distance collected at any time, Indicates that the fourth ultrasonic sensor is The distance collected at any moment.

5. A gaming chair safety warning system according to claim 4, characterized in that: The specific steps of the environmental data analysis module comprehensively calculating the distance risk coefficient based on the external environmental data collected in the environmental data collection module and the gaming chair activity position information library are as follows: Step A1: Calculate the The ultrasonic sensor The distance risk coefficient is as follows: in, Indicates The distance risk factor, Indicates The minimum distance collected by an ultrasonic sensor, Indicates Ultrasonic sensors in The distance collected at any time, ; Step A2: Output the largest distance risk coefficient among the four ultrasonic sensors as the final distance risk coefficient. The specific expression is as follows: in, Indicated in Select the largest one in the interval To output, Represents the final distance risk coefficient.

6. A gaming chair safety warning system according to claim 5, characterized in that: The specific steps of the environmental data analysis module comprehensively calculating the speed risk coefficient based on the external environmental data collected in the environmental data collection module and the gaming chair activity position information library are as follows: Step B1: Calculate the The velocity risk coefficient of an ultrasonic sensor is expressed as follows: in, Indicates The velocity risk factor of an ultrasonic sensor, Indicates Ultrasonic sensors in The distance collected at any time, Indicates Ultrasonic sensors in The distance collected at any time, represents the sampling time interval, ; Step B2: Output the largest one of the speed risk coefficients of the four ultrasonic sensors as the final distance risk coefficient. The specific expression is as follows: in, represents the final distance risk coefficient, Indicates The velocity risk factor of an ultrasonic sensor, Indicated in Select the largest one Output.

7. A gaming chair safety warning system according to claim 6, characterized in that: The specific steps of calculating the comprehensive risk level by the early warning unit based on the distance risk coefficient and the speed risk coefficient finally obtained are as follows: Step C1: inputting the distance risk coefficient and speed risk coefficient finally obtained into the distance judgment function and the speed judgment function respectively, and outputting the distance risk level and the speed risk level respectively; Step C2: Obtaining a comprehensive risk level based on the distance risk level and the speed risk level, specifically: if the output distance risk level and speed risk level are uploaded from the same ultrasonic sensor, that is, and , the distance risk level and speed risk level are calculated to obtain the comprehensive risk level, and the warning instruction is executed according to the comprehensive risk level. If the output distance risk level and speed risk level are not uploaded by the same ultrasonic sensor, that is, When the distance risk level and the speed risk level are higher, the higher one will be used as the comprehensive risk level, and the early warning instruction will be executed according to the comprehensive risk level.

8. A gaming chair safety warning system according to claim 7, characterized in that: The specific expressions of the distance judgment function and the speed judgment function are as follows: Distance judgment function: Speed ​​judgment function: in, represents the distance judgment function, and its output is used as the distance risk level. represents the speed judgment function, and its output is used as the speed risk level. They represent the first and second thresholds for distance judgment respectively, They represent the first threshold and the second threshold for speed judgment respectively.

9. A gaming chair safety warning system according to claim 8, characterized in that: The specific calculation expression of the comprehensive risk level is as follows: in, Indicates the overall risk level. represents the rounding function, and They represent weight coefficients that sum to 1, represents the distance judgment function, Represents the speed judgment function.

10. A gaming chair safety warning system according to claim 9, characterized in that: The specific steps of executing the early warning instruction based on the comprehensive risk level are: When the overall risk level Warning value When the game chair is turned on, the activity range is reduced by 60%~70%, and vibration is emitted at the same time; When the overall risk level Warning value No warning will be given.

Images