CN110801611A - Indoor skiing simulator capable of measuring pressure and adjusting skiing speed and method thereof - Google Patents
Indoor skiing simulator capable of measuring pressure and adjusting skiing speed and method thereof Download PDFInfo
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- CN110801611A CN110801611A CN201911093525.3A CN201911093525A CN110801611A CN 110801611 A CN110801611 A CN 110801611A CN 201911093525 A CN201911093525 A CN 201911093525A CN 110801611 A CN110801611 A CN 110801611A
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/18—Training appliances or apparatus for special sports for skiing
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/50—Force related parameters
- A63B2220/56—Pressure
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/70—Measuring or simulating ambient conditions, e.g. weather, terrain or surface conditions
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/70—Measuring or simulating ambient conditions, e.g. weather, terrain or surface conditions
- A63B2220/76—Wind conditions
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/80—Special sensors, transducers or devices therefor
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Abstract
The invention provides an indoor skiing simulator capable of measuring pressure and adjusting skiing speed and a method thereof.A hydraulic lifting support device is arranged under a rack, and a skiing track and a skiing chamber are arranged on the rack; a snow making machine and an externally hung refrigerator are arranged in the snow making chamber; the skiing track is formed by covering a skiing layer on a conveyor belt, and the conveyor belt is driven by a driving wheel and a motor; an infrared induction area and an infrared inductor are arranged at two ends of the skiing track; a wind resistance simulator is arranged on one side of the skiing track; a three-dimensional pressure sensor and a pressure sensor are respectively arranged below the snowboard and the snowboard pole; one end of the skiing track is provided with a snow track compression device; a snow melting recovery device and a water tank are arranged below the skiing track; an infrared camera system is arranged on the frame; the computer control system controls and regulates the indoor skiing simulator, can simulate real outdoor cross-country skiing scenes, can adjust skiing speed, gradient and wind resistance, and is beneficial to acquisition and technical analysis of skiing motion data.
Description
Technical Field
The invention belongs to the technical field of indoor skiing field simulation, and particularly relates to an indoor skiing simulator capable of measuring pressure and adjusting skiing speed and a method thereof.
Background
Skiing is one of the most fun and exciting sports in the world today. Skiing is a competitive sport where athletes mount skis on the bottom of boots and play speed, jump, and downhill on snow. The regular large items of the world game are as follows: alpine Skiing, Nordic Skiing (cross country Skiing, ski diving), freestyle Skiing, winter Skiing, snowboarding, and the like. Pure competitive skiing has clear competitiveness and specificity, and the requirements on relevant conditions are strict. The tourism skiing is for the purpose of entertainment and body-building, is slightly restricted by human factors, and men, women, old and young can easily and pleasantly slide on the snow field, thereby enjoying endless interest of skiing sports. Therefore, mountain skiing has the advantages of thrill, elegance, free, strong dynamic sense and large danger coefficient, and mountain skiing is not popular and developed enough, but cross country skiing and platform ski are better developed.
Cross-country skiing is the basic technology of using skiing tools, and skiing boards and skiing poles to slide, ascend mountains, slide and turn on the snowfield. Simply, it is a motion technique for flat ground, uphill, downhill, and cornering. There are two main techniques in the winter olympic conference: free technology and conventional technology. For the existing training method of cross-country skiing, due to the limitation of equipment and field, especially in summer, no real snowfield environment is used for training, and only simulation training can be carried out, and due to the essential difference between skis and roller skates, the existing simulation training can not replace skiing practice on snowfields.
The existing skiing simulator drives a human body to perform skiing simulation exercises according to a preset track through a specific preset track and a hydraulic supporting device, and the device is not suitable for high-level athletes with certain differences among individuals, and cannot improve the action technology of the individuals and influence the development of the action technology of the individuals; for beginners without experience of snowboarding, the device simulates the chance of skiing to have a one-sided understanding of the skiing sport due to the lack of knowledge of the skiing project, thereby reducing interest and enthusiasm for learning the skiing sport.
Therefore, it is very necessary to develop an indoor ski simulator capable of truly restoring the friction between a ski and a snowfield, simulating the most realistic outdoor cross-country skiing scene, simulating the friction and wind resistance between the ski and the real snow, and adjusting the slope, so as to improve the technical level of cross-country skiing training and scientific research of skiing sports.
Disclosure of Invention
The invention aims to solve the problems that skiing sports training is limited by fields and equipment, training cannot be carried out in a real snowfield environment, indoor simulation training is required, friction between a ski and a snowfield cannot be really restored, and outdoor cross-country skiing scenes are not achieved, and the indoor skiing simulator capable of measuring pressure and adjusting skiing speed and the method thereof are provided. Can really restore friction, the wind resistance between ski and the snowfield, and adjustable skiing track speed, slope can simulate real outdoor cross country skiing live, to the scientific research, regulate and control the analog machine through computer control system, more do benefit to the collection of the kinematics and the dynamics data of skiing motion, realize to skiing motion training technical research analysis, technical at utmost reduce the error, improve skiing training technical merit.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a measurable pressure allotment skiing speed's indoor skiing analogue machine, includes the frame, its characterized in that: the hydraulic lifting support device is arranged below the machine frame, and a skiing track and a snow making chamber are arranged on the machine frame;
a snow making machine is arranged in the snow making chamber, and a refrigerator is arranged outside the snow making chamber;
the skiing track is characterized in that a skiing layer covers a conveyor belt, and the conveyor belt is respectively driven by a driving wheel and a motor;
infrared induction areas are arranged at two ends of the skiing track, and infrared inductors are arranged at two ends of the infrared induction areas;
a wind resistance simulator is arranged on one side of the skiing track;
a ski and a ski pole are arranged on the ski track to slide in a friction mode, a three-dimensional pressure sensor is arranged below the ski, and a pressure sensor is arranged at the lower end of the ski pole;
one end of the skiing track penetrates into the snow making chamber and is provided with a snow track compression device, and the snow track compression device is formed by arranging compression rollers on two sides of the skiing track respectively and oppositely pressing;
a snow melting recovery device is arranged below the skiing track, one end of the snow melting recovery device penetrates into the snow making chamber, and a water tank is arranged below the snow melting recovery device;
an infrared camera system is arranged on the frame;
the infrared sensor, the three-dimensional pressure sensor, the infrared camera system, the wind resistance simulator, the motor and the hydraulic lifting support device are respectively connected to the computer control system.
Preferably, a plurality of fan blade combinations are uniformly distributed in the wind resistance simulator.
Preferably, the outer surface of the conveyor belt is provided with intervals of longitudinal convex strips and concave strips, the skiing layer covers the upper surface of the conveyor belt and is filled in the concave strips, and the inner surface of the conveyor belt is provided with intervals of the longitudinal convex strips and the concave strips.
Preferably, a track supporting plate is installed on the rack and arranged below the skiing track, a roller shaft and a roller are arranged on the track supporting plate, the roller is arranged in a groove in the inner surface of the conveyor belt, and a protective guard and a protective air cushion are arranged on the rack along the skiing track.
Preferably, a spray humidifier is arranged in the snow making chamber, a cold air conveying pipe on the refrigerator penetrates into the snow making chamber, and the cold air conveying pipe is connected to the snow melting recovery device.
Preferably, the snow melting recovery device is provided with recovery drainage plates at two sides of the recovery channel.
Preferably, at least four hydraulic lifting support devices are arranged below the machine frame and controlled by a computer control system.
Preferably, the compression rollers are arranged in multiple groups, and each group of compression rollers is oppositely pressed on two sides of the skiing rail.
An indoor snowslide simulation method comprises the following steps: the temperature in the skiing simulator placing room is below zero;
1) preparing spare parts of the skiing simulator according to the above, wherein the spare parts comprise a skiing room, a skiing machine, a refrigerator, a skiing track, a track supporting plate, a snow track compression device, a snow melting recovery device, a skiing board and a skiing rod, and an infrared sensor, a three-dimensional pressure sensor, a pressure sensor, an infrared camera system, a motor, a wind resistance simulator and a hydraulic lifting supporting device are respectively connected to a computer control system;
2) starting the refrigerator, the snow maker and the spray humidifier, keeping the temperature in the snow making chamber at-30-0 ℃, spraying snow on the skiing track by the snow maker, enabling the skiing track to run and form a skiing layer, compressing rollers on two sides of the skiing track by a snow track compression device, and compressing the soft skiing layer into a fixed thickness of 7-12 cm; starting a fan blade of the wind resistance simulator, enabling the athlete to slide on a skiing track, and enabling the wind speed resistance of the body of the athlete to be consistent with the wind speed resistance of the on-site skiing when the athlete simulates skiing; snow melting falls to a snow melting recovery device when a skiing layer of the skiing track runs, and the snow melting falls into a water tank; the water tank for the snowmaker regenerates the snow for repeated recycling;
3) the computer control system controls the hydraulic lifting support device to adjust the inclination of incline or the flatness of the skiing track, so that an athlete can ski on an uphill slope or a downhill slope;
the computer control system receives signals of the three-dimensional pressure sensor and the pressure sensor of the ski board and the ski pole respectively, converts the signals into pressure data, sends out a signal for regulating the rotating speed of the motor, regulates the rotating speed of the conveyor belt and regulates the running speed of the ski track in real time;
the computer control system receives infrared sensor signals at two ends of the infrared sensing area, and the athlete enters the infrared sensing area, sends a signal for regulating and controlling the rotating speed of the motor in real time, regulates the rotating speed of the conveyor belt, and then regulates and controls the running speed of the skiing track or stops;
matching wind resistance by the computer control system according to the running speed of the skiing track, adjusting the wind quantity of the wind resistance simulator, and regulating and controlling the opening quantity of the fan blades in real time;
the computer control system receives the information of the infrared camera system, directly analyzes the skiing actions of the athlete, and carries out simulation calculation on the skiing actions of the athlete through biomechanics simulation software to obtain the limb strength, muscle strength and joint torque of the athlete to carry out data analysis.
The invention has the advantages and positive effects that:
1. the indoor skiing simulator simulates winter severe cold freezing climate by reducing indoor temperature to below zero, is positioned in cold indoor air below zero, is provided with a snow making chamber, a snow making machine, a water tank, a refrigerator, a skiing track and the like, reduces the temperature of the snow making chamber to below zero by the refrigerator, can generate a skiing layer by using the snow making machine and the water tank, really reduces the friction action between a skiing board and a snowfield, is provided with a snow channel compression device at one end of the skiing track, presses two sides of the skiing track by a compression roller set to freeze a soft skiing layer, is driven by a motor and a driving wheel to run, and can ski by athletes on the skiing track.
2. According to the indoor skiing simulator, the snow melting recovery device is arranged below the skiing rail, one end of the snow melting recovery device penetrates into the snow making chamber, the water tank is arranged below the snow melting recovery device, snow melting falls to the snow melting recovery device when a skiing layer on the skiing rail runs, the snow melting recovery device enters the water tank, the water tank for the skiing machine does not make snow any more and is repeatedly recycled, the skiing machine and the water tank can enable the skiing rail to generate the skiing layer, the fixed thickness of the skiing layer of the skiing rail is effectively guaranteed, and skiing training of athletes is facilitated.
3. According to the indoor skiing simulator, the skiing rail is arranged on the frame, the rail supporting plate structure is arranged below the skiing rail, the roller shaft and the roller are arranged on the rail supporting plate, the roller is embedded into the groove below the conveyor belt, the skiing rail is supported by the rail supporting plate through the roller in the groove, the skiing rail is effectively prevented from collapsing due to the gravity of a player, the running plane is always kept, meanwhile, the deviation from the normal rail in the skiing rail running process is limited, and the skiing of the player from the normal rail is facilitated.
4. According to the indoor skiing simulator, the wind resistance simulator is arranged on one side of the skiing track, wind power is generated by uniformly arranging the fan blade combinations in the wind resistance simulator, wind resistance is applied to the front of an athlete, the wind power is automatically regulated and controlled by the computer control system according to the running speed of the skiing track, the actual outdoor skiing scene can be simulated, the athlete simulates to slide on the skiing track, the wind speed resistance of the body is consistent with the wind speed resistance of on-site skiing, and the real effect of skiing simulation training is achieved.
5. According to the indoor skiing simulator, the four hydraulic lifting support devices are arranged below the rack, so that the flatness, the ascending slope or the descending slope of a skiing track can be adjusted, the outdoor cross-country skiing scene is truly restored, and the hydraulic lifting support devices are adjusted by the control computer control system to reach the required slope, so that the skiing simulation effect is achieved.
6. According to the indoor skiing simulator, the infrared induction areas are arranged at the two ends of the skiing track, the infrared inductors are arranged at the two ends of the infrared induction areas and are connected to the computer control system, and when an athlete slides to the front end and the rear end of the skiing track, the skiing track is effectively controlled to run at a variable speed or stop running; a snowboard and a skiing pole of an athlete slide on the skiing track in a friction mode, a three-dimensional pressure sensor is installed below the snowboard, a pressure sensor is installed at the lower end of the skiing pole, a computer control system receives signals to obtain pressure data, the running speed of the skiing track is adjusted in real time, and the skiing exercise training technology is guaranteed.
7. According to the indoor skiing simulator, the infrared camera systems are arranged on the frame, skiing technical actions of the athlete are shot in real time, the computer control system receives information of the infrared camera systems and directly analyzes the skiing actions of the athlete, or biomechanics simulation software in the computer system is used for carrying out simulation calculation on the skiing actions of the athlete, so that data analysis is carried out on limb strength, muscle strength and joint torque of the athlete, research and analysis on skiing techniques of the athlete can be improved, the indoor skiing simulator is superior to outdoor skiing, and scientific research and analysis which cannot be carried out by outdoor skiing training can be realized.
Drawings
FIG. 1 is a schematic structural view of a use state of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a schematic view of the ski track configuration of the present invention;
FIG. 4 is a schematic structural view of the snow melt recovery apparatus of the present invention;
1-frame, 2-driving wheel, 3-protective air cushion, 4-infrared induction zone, 5-infrared inductor, 6-infrared camera system, 7-protective fence, 8-fan, 9-wind resistance simulator, 10-compression roller, 11-snow track compression device, 12-motor, 13-snow maker, 14-spray humidifier, 15-snow making chamber, 16-refrigerator, 17-computer control system, 18-cold air delivery pipe, 19-recovery drainage plate, 20-water tank, 21-snow melting recovery device, 22-skiing pole, 23-three-dimensional pressure sensor, 24-pressure sensor, 25-skiing board, 26-rail supporting plate, 27-skiing rail, 28-hydraulic lifting supporting device, 28-infrared camera system, 6-infrared camera system, 2-protective fence, 8-fan, 9-wind resistance simulator, 10-compression roller, 11-snow track compression device, 12-motor, 29-convex strip, 30-concave strip, 31-ski layer, 32-conveyor belt, 33-roller shaft, 34 groove, 35 roller and 36-recovery channel.
Detailed Description
The present invention will be described in further detail with reference to the following examples and the accompanying drawings.
Referring to fig. 1-4, the invention provides an indoor skiing simulator capable of measuring pressure and adjusting skiing speed。
The indoor skiing simulator capable of measuring pressure and adjusting skiing speed has the advantages that indoor requirements are met, the room temperature can be quickly reduced to be below zero, a certain heat preservation function is achieved, a certain space and a pipeline are reserved indoors and used for liquid nitrogen vaporization cooling, and the fact that the room temperature can reach the preset temperature in a short time is guaranteed.
Four hydraulic lifting supporting devices 28 are selected to support the frame 1, a skiing rail 27 is arranged on the frame 1, a snow making chamber 15 is arranged on the frame 1, and the hydraulic lifting supporting devices 28 are connected to the computer control system 17. The four hydraulic lifting support devices 28 support the ski rails 27 to form a hydraulic lifting ski simulator with two degrees of freedom, preferably a mechanical device 13 meters long, 6 meters wide and three meters high.
The snow making chamber 15 adopts a heat insulation structure with a foam board or a double-layer isolation board arranged in the isolation board, a refrigerator 16 is arranged outside the snow making chamber 15, cold air conveying pipes 18 of the refrigerator 16 are led into the snow making chamber 15, the refrigerator 16 is preferably refrigerated by liquid nitrogen and paved with corresponding pipelines, the refrigerating speed is high, the initial starting time can be reduced, the refrigerator 16 is provided with two cold air conveying pipes 18, one is led into the snow making chamber 15, the other is led into the snow making chamber 15 and is positioned on a snow melting recovery device 21, and refrigerating gas can flow into the space of the snow melting recovery device 21. A snow maker 13 and a spray humidifier 14 are arranged in the snow making chamber 15, the snow maker 13 is preferably a low-power snow maker 13 which can make snow at 30 cubic meters per hour, and the spray humidifier 14 is an atomizing nozzle.
The skiing track 27 is made by covering a skiing layer 31 on a conveyor belt 32, the two ends of the conveyor belt 32 are driven by a driving wheel 2 and a motor 12 to rotate, the driving wheel 2 can be a preferred gear, the motor 12 drives a driving gear and a driven gear, longitudinal convex strips 29 and concave strips 30 are arranged outside the conveyor belt 32, a skiing nozzle of a skiing chamber 15 faces the conveyor belt 32 to cover soft snow fog on the running conveyor belt 32, and the skiing layer 31 covers the conveyor belt 32 and is filled in the concave strips 30; the inner surface of the conveyor belt 32 is provided with longitudinal convex strips 29 and grooves 34 which are alternated; the skiing rail 27 is provided with a rail support 26 plate below, the rail support 26 plate is provided with a roller 35 shaft 33, the roller 35 shaft 33 is provided with a plurality of rollers 35 in an arrangement, the rollers 35 on the rail support 26 plate are embedded into a groove 34 on the inner surface of the skiing rail 27, the rollers 35 support the skiing rail 27 and limit the skiing rail 27 from deviating from the normal rail in the running process, and the motor 12 is connected to the computer control system 17.
One end of the skiing track 27 penetrates into the snow making chamber 15, and the penetrating end of the skiing track 27 is provided with the snow track compression device 11; the snow-track compressing device 11 is respectively placed on two sides of the skiing track 27 by two compressing rollers 10 and oppositely pressed, or a plurality of pairs of compressing rollers 10 can be arranged on two sides of the skiing track 27 and oppositely pressed, namely, the skiing track 27 is pressed by the compressing rollers 10 of the snow-track compressing device 11 in a plurality of ways, and soft snow manufactured by the snow-making machine 13 is compressed into the skiing track 27 with fixed thickness, preferably 10 cm; when testing the conventional cross-country skiing technique of athletes, the method can be realized by adding modules with fixed specifications on the compression roller 10 and adjusting the distance between the compression rollers 10.
The snow melting recovery device 21 is arranged below the skiing track 27, one end of the snow melting recovery device 21 penetrates into the snow making chamber 15, the water tank 20 is arranged below the penetrating end of the snow melting recovery device 21, the snow melting recovery device 21 and the water tank 20 can be placed on the ground, the snow melting recovery device 21 is formed by fixedly mounting the recovery drainage plates 19 on two sides of the recovery channel 36, the recovery drainage plates 19 are inclined plates made of materials with smooth surfaces and corrosion resistance, the lengths of the recovery channel 36 and the recovery drainage plates 19 mounted on two sides of the recovery channel are larger than that of the skiing track 27, so that snow melting layers 31 on the skiing track 27 fall into the snow melting recovery device 21 completely, and indoor and skiing simulators are kept clean and free of wet water.
The infrared induction zone 4 is arranged at two ends of the skiing track 27, the infrared induction zone 4 is divided into an inner end and an outer end, a plurality of groups of infrared inductors 5 are arranged at two ends of the skiing track, the infrared inductors 5 can be arranged on the protective guard 7 in the infrared induction zone 4, or the infrared inductors 5 can be arranged below the skiing track 27, and the plurality of groups of infrared inductors 5 are arranged at two ends of the infrared induction zone 4. Infrared inductor 5 adopts correlation formula infrared sensing device, shelters from the quantity of infrared inductor 5 according to the sportsman, adjusts the size that changes 27 absolute values of skiing track acceleration, and the sportsman gets into 4 inner ends in infrared induction zone, and infrared inductor 5 received signal, computer control system 17 regulation and control 27 of skiing track accelerate or slow down, and the sportsman gets into 4 outer ends in infrared induction zone, and infrared inductor 5 received signal, computer control system 17 regulation and control stop motor 12 work and stop skiing track 27 operation.
One side of a skiing area is separated by a metal grid, a wind resistance simulator 9 is installed on one side of a skiing track 27, a plurality of fan blade 8 combinations are uniformly distributed in the wind resistance simulator 9, the fan blade 8 regulates the wind quantity, the wind resistance simulator 9 is connected into a computer control system 17, the wind speed generated by the fan blade 8 is consistent with the wind speed generated by the real skiing speed of an athlete corresponding to the running speed of the skiing track 27, namely the wind speed generated by the movement of the body of the athlete in real skiing is consistent; the method is characterized in that a snowboard 25 of a sportsman and a handheld ski pole 22 slide on the surface of a snowboard layer 31 in a friction mode on a skiing track 27, a three-dimensional pressure sensor 23 is installed below the snowboard 25, a pressure sensor 24 is installed at the lower end of the ski pole 22, and the three-dimensional pressure sensor 23 and the pressure sensor 24 are respectively connected to a computer control system 17.
A PC is installed in the computer control system 17, a receiving device of the infrared sensor 5, a receiver of the three-dimensional pressure sensor 23 and a receiver of the pressure sensor 24 are installed in the computer control system 17 and are connected into the PC, the motor 12, the wind resistance simulator 9 and the hydraulic lifting support device 28 are connected into the PC, a computer display screen and a control table board are installed on the computer control system 17, and control keys of the motor 12, the wind resistance simulator 9, the hydraulic lifting support device 28 and the like are arranged on the control table board.
An indoor snow sliding simulation method is characterized in that indoor temperature is below zero, a skiing simulator is reserved indoors, a guard rail 7 and a protective air cushion 3 are arranged on a rack 1, a refrigerator 16 of a snow making chamber 15 is started, the temperature of the snow making chamber 15 is rapidly reduced to minus 30-0 ℃, a computer control system 17 starts a motor 12, the motor 12 drives a conveyor belt 32 to run, a snow making machine 13 and a spray humidifier 14 are started, the conveyor belt 32 is covered with a soft skiing layer 31 to form a skiing track 27, a plurality of groups of compression rollers 10 of a snow track compression device 11 compress the soft skiing layer 31 on the skiing track 27 to a certain thickness to form an ice layer, and the skiing track 27 stops running.
The method comprises the steps that a foot of a sportsman wears a snowboard 25 and a handheld ski pole 22 to enter a ski track 27, the sportsman faces a wind resistance simulator 9, a computer control system 17 starts a motor 12 to a preset rotating speed, the ski track 27 enters a preset running speed, the computer control system 17 adjusts the number of combinations of opening fan blades 8 according to the running speed of the ski track 27 and adjusts wind speed resistance, a three-dimensional pressure sensor 23 and a pressure sensor 24 below the ski board 25 and the ski pole 22 transmit pressure signals of the sportsman to the ski track 27 to the computer control system 17, the computer control system 17 converts the pressure signals into pressure data, sends out and adjusts the rotating speed of the motor 12, and adjusts the running speed of the ski track 27 in real time; during the process of the athlete sliding on the ski track 27, the computer control system 17 issues commands to control the hydraulic lifting support 28 to adjust the incline and incline of the ski track 27 so that the athlete can ski uphill or downhill.
When the running speed of the ski track 27 does not correspond to the sliding speed of the player, the player enters the infrared sensing zone 4 in front of or behind the ski track. When the sliding speed of the athlete is greater than the running speed of the skiing track 27, the athlete enters the front infrared induction area 4 and enters the inner end of the infrared induction area 4, the computer control system 17 sends a speed change instruction to the motor 12 to adjust the running speed change of the skiing track 27 and enters the outer end of the infrared induction area 4, the computer control system 17 sends a stop instruction to the motor 12, and the skiing track 27 stops running; similarly, when the sliding speed of the athlete is less than the running speed of the skiing track 27, the athlete enters the inner end and the outer end behind the infrared sensing area 4, the computer control system 17 sends a speed change or stop instruction to the motor 12, and the skiing track 27 changes the speed or stops running; when the skiing track 27 runs, snow melting on the skiing layer 31 falls to the snow melting and recovering device 21, the snow melting and recovering device flows into the water tank 20 through the recovering channel 36 surrounded by the recovering and draining plate 19, and water in the water tank 20 is pumped to the snow making machine 13 to make snow again for recycling.
8 infrared camera systems 6 are installed on the frame 1 along the periphery of a skiing track 27, identification points for link positioning are attached to a sportsman, the sportsman's actions are photographed and imaged, the infrared camera systems 6 input information into the computer control system 17, a display screen on the computer control system 17 displays skiing action images of the sportsman, technical action analysis can be performed, and bionics simulation software in the computer control system 17 performs simulation calculation on the skiing actions of the sportsman, obtains the body strength, muscle strength and joint moment of the sportsman, performs technical parameter analysis, and improves technical action and strength values of skiing limbs.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (9)
1. The utility model provides a measurable pressure allotment skiing speed's indoor skiing analogue machine, includes the frame, its characterized in that: the hydraulic lifting support device is arranged below the machine frame, and a skiing track and a snow making chamber are arranged on the machine frame;
a snow making machine is arranged in the snow making chamber, and a refrigerator is arranged outside the snow making chamber;
the skiing track is characterized in that a skiing layer covers a conveyor belt, and the conveyor belt is respectively driven by a driving wheel and a motor;
infrared induction areas are arranged at two ends of the skiing track, and infrared inductors are arranged at two ends of the infrared induction areas;
a wind resistance simulator is arranged on one side of the skiing track;
a ski and a ski pole are arranged on the ski track to slide in a friction mode, a three-dimensional pressure sensor is arranged below the ski, and a pressure sensor is arranged at the lower end of the ski pole;
one end of the skiing track penetrates into the snow making chamber and is provided with a snow track compression device, and the snow track compression device is formed by arranging compression rollers on two sides of the skiing track respectively and oppositely pressing;
a snow melting recovery device is arranged below the skiing track, one end of the snow melting recovery device penetrates into the snow making chamber, and a water tank is arranged below the snow melting recovery device;
an infrared camera system is arranged on the frame;
the infrared sensor, the three-dimensional pressure sensor, the infrared camera system, the wind resistance simulator, the motor and the hydraulic lifting support device are respectively connected to the computer control system.
2. A pressure-scalable skiing speed indoor ski simulator as defined in claim 1, wherein: and a plurality of fan blade combinations are uniformly distributed in the wind resistance simulator.
3. A pressure-scalable skiing speed indoor ski simulator as defined in claim 1, wherein: the conveyer belt outside is alternately for vertical sand grip and concave strip, the skiing layer covers on the conveyer belt and fills in the concave strip, the conveyer belt inner face is alternately for vertical sand grip and recess.
4. A pressure-scalable skiing speed indoor ski simulator as defined in claim 1, wherein: the machine frame is provided with a track supporting plate and is arranged below the skiing track, the track supporting plate is provided with a roller shaft and a roller, the roller is arranged in a groove in the inner surface of the conveyor belt, and the machine frame is provided with a protective guard and a protective air cushion along the skiing track.
5. A pressure-scalable skiing speed indoor ski simulator as defined in claim 1, wherein: the snow making chamber is internally provided with a spray humidifier, the refrigerator is provided with a cold air conveying pipe which penetrates into the snow making chamber, and the cold air conveying pipe is connected into a snow melting recovery device.
6. A pressure-scalable skiing speed indoor ski simulator as defined in claim 1, wherein: the snow melting recovery device is provided with recovery drainage plates on two sides of a recovery channel.
7. A pressure-scalable skiing speed indoor ski simulator as defined in claim 1, wherein: at least four hydraulic lifting supporting devices are arranged below the rack and controlled by a computer control system.
8. A pressure-scalable skiing speed indoor ski simulator as defined in claim 1, wherein: the compression rollers are arranged into a plurality of groups, and each group of compression rollers are oppositely arranged on two sides of the skiing track and oppositely pressed.
9. An indoor snow skiing simulation method as claimed in claim 1, comprising the steps of: the temperature in the skiing simulator placing room is below zero;
1) preparing spare parts of the skiing simulator according to the above, wherein the spare parts comprise a skiing room, a skiing machine, a refrigerator, a skiing track, a track supporting plate, a snow track compression device, a snow melting recovery device, a skiing board and a skiing rod, and an infrared sensor, a three-dimensional pressure sensor, a pressure sensor, an infrared camera system, a motor, a wind resistance simulator and a hydraulic lifting supporting device are respectively connected to a computer control system;
2) starting the refrigerator, the snow maker and the spray humidifier, keeping the temperature in the snow making chamber at-30-0 ℃, spraying snow on the skiing track by the snow maker, enabling the skiing track to run and form a skiing layer, compressing rollers on two sides of the skiing track by a snow track compression device, and compressing the soft skiing layer into a fixed thickness of 7-12 cm; starting a fan blade of the wind resistance simulator, enabling the athlete to slide on a skiing track, and enabling the wind speed resistance of the body of the athlete to be consistent with the wind speed resistance of the on-site skiing when the athlete simulates skiing; snow melting falls to a snow melting recovery device when a skiing layer of the skiing track runs, and the snow melting falls into a water tank; the water tank for the snowmaker regenerates the snow for repeated recycling;
3) the computer control system controls the hydraulic lifting support device to adjust the inclination of incline or the flatness of the skiing track, so that an athlete can ski on an uphill slope or a downhill slope;
the computer control system receives signals of the three-dimensional pressure sensor and the pressure sensor of the ski board and the ski pole respectively, converts the signals into pressure data, sends out a signal for regulating the rotating speed of the motor, regulates the rotating speed of the conveyor belt and regulates the running speed of the ski track in real time;
the computer control system receives infrared sensor signals at two ends of the infrared sensing area, and the athlete enters the infrared sensing area, sends a signal for regulating and controlling the rotating speed of the motor in real time, regulates the rotating speed of the conveyor belt, and then regulates and controls the running speed of the skiing track or stops;
matching wind resistance by the computer control system according to the running speed of the skiing track, adjusting the wind quantity of the wind resistance simulator, and regulating and controlling the opening quantity of the fan blades in real time;
the computer control system receives the information of the infrared camera system, directly analyzes the skiing actions of the athlete, and carries out simulation calculation on the skiing actions of the athlete through biomechanics simulation software to obtain the limb strength, muscle strength and joint torque of the athlete to carry out data analysis.
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| CN201911093525.3A CN110801611A (en) | 2019-11-11 | 2019-11-11 | Indoor skiing simulator capable of measuring pressure and adjusting skiing speed and method thereof |
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| CN201911093525.3A CN110801611A (en) | 2019-11-11 | 2019-11-11 | Indoor skiing simulator capable of measuring pressure and adjusting skiing speed and method thereof |
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| CN110801611A true CN110801611A (en) | 2020-02-18 |
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| CN201911093525.3A Pending CN110801611A (en) | 2019-11-11 | 2019-11-11 | Indoor skiing simulator capable of measuring pressure and adjusting skiing speed and method thereof |
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| CN114681881B (en) * | 2022-04-15 | 2023-03-07 | 北京理工大学 | Reset protection device and training method for ski-jump training of diving tower |
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Application publication date: 20200218 |