CN111111146A

CN111111146A - Electric roller skating control using method and electric roller skating system

Info

Publication number: CN111111146A
Application number: CN202010059584.5A
Authority: CN
Inventors: 米建军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-05-08

Abstract

The invention aims to provide an electric roller skating control using method and an electric roller skating system, which solve the problems of the existing roller skating, and provides a control method of a pedal electric vehicle, wherein the pedal electric vehicle is fixedly connected with a foot of a human body, the foot can take the pedal electric vehicle to leave the ground, the pedal electric vehicle is provided with a sensing device at least used for detecting whether the pedal electric vehicle leaves the ground or is away from the ground, the sensing device outputs a signal to a controller of the pedal electric vehicle, the controller controls the movement of the pedal electric vehicle at least during leaving the ground according to the signal of the sensing device, and the controller can also control the movement of the pedal electric vehicle during contacting the ground according to the signal of the sensing device.

Description

Electric roller skating control using method and electric roller skating system

Technical Field

The invention relates to the field of travel tools, in particular to an electric roller skating control using method and an electric roller skating system.

Background

Roller skating is a sport tool evolved from skating, has the characteristics of entertainment, body building, riding instead of walk and the like, is used in a popular way since the appearance, people of different ages are provided with much fun and convenience all over the world, including pattern roller skating, speed roller skating and the like, and later roller skating increasing electric power assistance appears, however, the roller skating of the types also cannot be a popular transportation tool, because the roller skating is difficult to use, the roller skating can be used skillfully only after being taught by a coach or exercised for a long time, the existing electric roller skates all have to move along the ground all the time, and the existing electric roller skates have to use a manual remote controller to control the movement of the electric roller skates under feet, so that the application range of the electric roller skates is blocked, tools which can be easily used for learning and riding instead of walking are needed along with the requirements of the society on traffic jam and environmental protection, and the existing various electric roller skates need to be improved.

Disclosure of Invention

The invention aims to provide an electric roller skating control using method and an electric roller skating system, which solve some problems of the existing roller skating.

A control method of a pedal electric vehicle is characterized in that the pedal electric vehicle is fixedly connected with a human foot, the foot can leave the ground with the pedal electric vehicle, the pedal electric vehicle is provided with a sensing device at least used for detecting whether the pedal electric vehicle leaves the ground or is away from the ground, the sensing device outputs a signal to a controller of the pedal electric vehicle, the controller controls the movement of the pedal electric vehicle at least during leaving the ground according to the signal of the sensing device, and the controller can also control the movement of the pedal electric vehicle during contacting the ground according to the signal of the sensing device.

The pedal electric vehicle is an electric roller skate, the sensing device is a pressure sensing device, the electric roller skate is controlled by a control method, the electric roller skate is provided with a pressure sensing device for detecting the front and back pressure of the foot of a human body on the electric roller skate, the front and back pressure transmitted by the human body can be detected and divided into front pressure and back pressure, a controller of the electric roller skate receives signals of the pressure sensing device and is used for controlling a grounding element for driving the electric roller skate to move, driving the grounding element to move and enabling the electric roller skate to move in the forward and backward directions, when the pressure sensing device detects that the front pressure is larger than the back pressure, the controller of the electric roller skate drives the grounding element to enable the electric roller skate to move in an accelerated forward direction, and when the pressure sensing device detects that the back pressure is larger than the front pressure, the controller of the electric roller skate drives the grounding element to enable the electric roller skate to brake in a decelerated motion, when the pressure sensing device detects that the front pressure and the rear pressure are the same, the controller of the electric roller skate drives the grounding element to operate according to the existing movement speed of the electric roller skate, and when the front pressure and the rear pressure detected by the pressure sensing device are reduced simultaneously, the controller of the electric roller skate drives the grounding element to operate according to the existing movement speed of the electric roller skate.

The pedal electric vehicle is an electric roller skate, the sensing device is a pressure sensing device, the electric roller skate is controlled by a control method, the electric roller skate is provided with a pressure sensing device for detecting the front and back pressure of the foot of a human body on the electric roller skate, the front and back pressure transmitted by the human body can be detected and divided into front pressure and back pressure, a controller of the electric roller skate receives signals of the pressure sensing device and is used for controlling a grounding element for driving the electric roller skate to move, driving the grounding element to move and enabling the electric roller skate to move in the forward and backward directions, when the pressure sensing device detects that the front pressure is greater than the back pressure and exceeds a set value one, the controller of the electric roller skate drives the grounding element to enable the electric roller skate to move in the forward and forward directions, and when the pressure sensing device detects that the back pressure is greater than the front pressure and exceeds the set value two, the controller of the electric skidding drives the grounding element to enable the electric skidding to perform deceleration braking movement, when the pressure sensing device detects that the difference between the front pressure and the rear pressure is smaller than a third set value, the controller of the electric skidding drives the grounding element to operate according to the existing movement speed of the electric skidding, the third set value is smaller than or equal to a first set value or a second set value, when the sum of the front pressure and the rear pressure detected by the pressure sensing device is reduced to be smaller than a fourth set value, the fourth set value is smaller than the third set value, the controller of the electric skidding drives the grounding element to operate according to the existing movement speed of the electric skidding, and the first set value, the second set value, the third set value and the fourth set value are absolute values of the first set value, the second set value and the fourth.

The current movement speed is the movement speed of the human body at a certain moment on the electric roller skate and is also consistent with the speed of the electric roller skate contacting the ground, for example, when the pressure sensing device detects that the difference between the front pressure and the rear pressure is less than a third set value, the human body is in a state of not accelerating or decelerating, the controller of the electric roller skate drives the grounding element to operate according to the current movement speed of the electric roller skate and keep a constant speed state, when the sum of the front pressure and the rear pressure detected by the pressure sensing device is reduced to be less than a fourth set value, the electric roller skate is in a state of leaving the ground, the controller of the electric roller skate drives the grounding element to operate according to the current movement speed of the electric roller skate and also keeps a constant speed state, and the maintained speed is the speed at which the human body is moving when the electric roller skate leaves the ground, i.e. the existing speed of movement.

According to the control method of the electric roller skate, the pressure sensing devices are at least two front and back pressure sensing devices or one pressure sensing device capable of simultaneously detecting the front and back pressure of the feet of the human body on the electric roller skate.

In the control method of the electric roller skate, the magnitude of the values of the front pressure and the rear pressure exceeding the first set value and the second set value is in direct proportion to the force of the controller for driving the grounding element to move, namely, the larger the front pressure and the rear pressure exceed the first set value and the second set value, the larger the force of the controller for driving the grounding element is, and conversely, the smaller the front pressure and the rear pressure exceed the first set value and the second set value, the smaller the force of the controller for driving the grounding element is.

The first electric roller skate is fixed on the left foot of a human body, the second electric roller skate is fixed on the right foot of the human body, when the first electric roller skate and the second electric roller skate are grounded, the first electric roller skate and the second electric roller skate detect the pressure of the front part and the rear part of the human foot, the pressure sensing devices of the first electric roller skate and the second electric roller skate respectively transmit signals to the controllers of the first electric roller skate and the second electric roller skate, the controllers of the first electric roller skate and the second electric roller skate respectively drive the respective grounding elements to drive the first electric roller skate and the second electric roller skate to move forwards and backwards so as to realize the front-and-back movement and the steering movement of the human body, and when the left foot drives the first electric roller skate fixed on the foot to lift up and leave the ground, the pressure sensing device of the first electric roller skate detects the pressure of the front part and the rear part of the first electric roller skate And less than a set value four, the controller of the first electric roller skate receives a signal of the pressure sensing device of the first electric roller skate, controls the grounding element of the first electric roller skate fixed on the foot to operate according to the existing motion speed of the human body until the first electric roller skate is grounded to ground the grounding element, because the human body can only move forwards in a forward-leaning posture, the pressure sensing device of the first electric roller skate detects that the front pressure is greater than a rear pressure set value one, the first electric roller skate pressure sensing device transmits a signal to the controller of the first electric roller skate, the controller of the first electric roller skate uses the signal of the pressure sensing device of the first roller skate to drive the grounding element of the first electric roller skate to drive the first electric roller skate to accelerate, and then controls the use method for the right foot and the second roller skate fixed on the foot as well, by the method, the electric roller skate can be driven by two feet of a human body to alternately move away from the ground and move to the ground, and the transition between the away from the ground and the ground is smooth to form a complete movement cycle process, so that the electric roller skate system can be driven by the human body to use the control and use method, and is suitable for various complex road conditions.

In the using process, the foot can advance in a splayed mode by utilizing human body force by using the same principle as the existing electric power-free roller skating or ice skating shoe, namely, when the foot moves forwards, the front part of the left foot is pressed downwards to increase the pressure of the front part of the first electric roller skating, the left foot is kicked out leftwards to drive the electric roller skating to move forwards leftwards, the front part of the right foot is pressed downwards to increase the pressure of the front part of the second electric roller skating, the right foot is kicked out rightwards to drive the electric roller skating to move forwards rightwards, the two feet and the electric roller skating are respectively used in turn, and the advancing resultant force of the power of the electric roller skating and the human body is utilized.

The method for controlling and using the electric roller system is characterized in that the electric roller system is also provided with a ground-lift sensor, the ground-lift sensor detects whether the electric roller system is at least one of away from the ground and away from the ground, the ground-lift sensor and the pressure sensing device are sensors with different types and principles, the electric roller system controller calculates and uses the ground-lift sensor to transmit signals and pressure sensor signals, changes the motion mode of driving the grounding element, and comprises complete switching and simultaneous use of signals of the sensors, the complete switching means that the controller works by using only one signal at a time, and the simultaneous use means that the controller works by using signal weighting or proportion calculation of the sensors according to a set program, the addition of the ground-lift sensor can assist the electric roller skating system to control the movement more accurately.

An electric wheel skate comprising: the power supply is connected with the controller, the pressure sensing device and the grounding element are connected with the controller, and the foot fixing element is fixed to enable the electric roller to slide on the feet of the human body.

The ground engaging elements may be two or more wheels disposed in the forward and backward direction of the electric roller skate, or at least one set of track device disposed in the forward and backward direction of the electric roller skate, or a combination of wheels and track devices, and the wheels and track devices may have electric devices therein for driving the electric roller skate to move forward and backward, for example, the ground engaging elements may be one track device disposed in the same direction as the forward and backward direction of the electric roller skate, or the ground engaging elements may be two or more wheels disposed in the same direction as the forward and backward direction of the electric roller skate, and when the ground engaging elements are two or more wheels, the front and rear wheels may be aligned or not aligned, but disposed in the forward and backward direction of the electric roller skate, a front pivot and a rear pivot are formed, so that the electric roller skate and the feet of the human body fixed on the electric roller skate are kept in balance front and back.

The pressure sensing device is at least one of a photoelectric sensor, a laser ranging sensor, an ultrasonic sensor, a torque sensor and the like, a plurality of sensors can detect pressure changes reflected by various phenomena, the sensors are selected for use according to specific conditions, the pressure sensing device can also adopt an electric switch, when the normally open or normally closed electric switch is adopted to receive the pressure changes, the electric connection is changed, a signal is output to the controller, more accurate information can be obtained by utilizing a plurality of or a plurality of sensors of different types, the pressure sensing device can be arranged at the connecting position of the electric roller skate and the human foot or at each connecting position inside the electric pressure, such as the sole and heel positions of the electric roller skate and the human foot, or the positions of the electric roller skate front wheel and rear wheel, or the front wheel and the rear wheel of the crawler belt of the electric roller skate.

The foot fixing element is directly or indirectly fixed with the foot, the direct fixing comprises the direct fixing with the foot of a human body and the fixing with the foot of the shoe which is made by integrating the foot fixing element, and the indirect fixing is realized by fixing the foot fixing element with the shoe of the foot.

An electronic skidding, at least the power setting at human waist or back, the power is equipped with the power master switch, the power can hold in the knapsack at waist or back, the power can be hung and establish the waistband, the electric core of power sets up to dismantling the change manually, and is convenient when electric core does not have the electric quantity, directly changes electric core, save time increases the continuation of the journey mileage, the power is equipped with mobile communication equipment and charges mouthful, for example USB charges mouthful, conveniently charges for cell-phone etc., the power can with the separation is dismantled in electronic skidding, portable charges alone and supplies power for other electrical apparatus and use, for example sets up the interface that can the plug.

An electronic skidding, electronic skidding is equipped with emptys power protection device, emptys power protection device and is connected with the controller or directly with the power is connected, through the controller can stop ground element's motion, directly with the power is connected can cut off the power supply electronic skidding is implemented the outage under the state of empting, makes electronic skidding shut down, emptys power protection device and can adopt the device that utilizes gravity induction to implement, for example mercury switch, the device that can adopt the gyroscope to implement etc..

The controller is provided with the processor, and the electric roller skate can be judged and driven according to the habit of the use state of a human body, so that the electric roller skate is more smooth and labor-saving to use.

The electric roller skate is further provided with a parking device, the parking device comprises but is not limited to a device capable of locking the motion of the grounding element, the motion of the grounding element is locked to enable the electric roller skate to park, the electric roller skate can be further provided with a folding support or a brake shoe to enable the electric roller skate to park, the parking device can be driven by electrons or all machines, the electrons are driven by the electric brake device, the all machines are driven by pull wires or wired or remote control methods and devices, the parking device is opened and used for parking, a human body can stand on the electric roller skate to stop moving, and a switch of the parking device can be arranged on the waist or the back of the human body together with the power supply.

The electric roller skate is provided with an energy recovery device, and when the electric roller skate is decelerated and braked, the energy is recovered by the controller to charge the power supply.

An electric wheel-skating system comprising: the first electric roller skate according to the foregoing, and the second electric roller skate according to the foregoing.

The setting and using method of the electric roller skating system is that the first electric roller skating is fixed on the left foot of a human body, the second electric roller skating is fixed on the right foot of the human body, and power sources of the first electric roller skating and the second electric roller skating are shared, namely the first electric roller skating and the second electric roller skating share one power source or a plurality of power sources, the plurality of power sources can be separately and respectively used for the first electric roller skating and the second electric roller skating, and the electric roller skating system can be specifically realized by connecting the power sources in parallel.

The power master switch and the parking device can be led out from the power supply, are arranged on the hand of a human body along the arm of the human body, and are convenient to use and control.

In the electric roller skating system, on the premise that the first electric roller skating and the second electric roller skating have the same function, the structures of the first electric roller skating and the second electric roller skating can be different, and the electric roller skating system is not limited to using different components with the same function.

According to the control and use method of the electric roller skating system, under the condition that the electric quantity of a power supply of the electric roller skating is insufficient or the power supply is turned off, only two feet of a human body drive the electric roller skating to move away from the ground in turn through the two feet.

According to the control and use method of the electric roller skating system, the parking device is turned on and utilized, so that a human body can drive the electric roller skating to move away from the ground in turn by using two feet under the condition that the electric quantity of a power supply of the electric roller skating is insufficient or the power supply is turned off, and the parking device can increase the friction force between the electric roller skating and the ground.

On the basis of the application, the existing additional devices can be added to increase the entertainment safety of the electric roller skate, such as a temperature overheating alarm device, a sound device, a light device, a satellite navigation device, a mobile communication device and the like.

The electric roller skate and the electric roller skate system work by using the control and use method.

The invention has the beneficial effects that: the invention adopts the control and use method, the structure and the system which can drive the roller skating to leave the ground by using feet, thoroughly liberates two feet, overcomes the trouble that various electric roller skating uses a hand to control the electric roller skating under the feet by holding a remote controller, liberates two hands, solves the problem of smooth running of the roller skating in the ground and the ground, adopts the electric roller skating control and use method and the electric roller skating system when the ground or the road surface has the obstacles such as potholes or stones, can drive the electric roller skating system to cross the obstacles together only by lifting the feet in turn like normal walking or running, is easy and natural, accords with the man-machine combination principle, does not generate the electric roller skating in the ground, can utilize the force of the human body and the advancing resultant force of the electric roller skating system at the same time, saves electric power, increases fun, greatly expands the obstacle passing performance of the electric roller skating system, the safety, the endurance mileage and the application range make the electric roller skating system really become an entertainment and travel tool.

Drawings

FIG. 1 is a schematic view of an electric roller skate according to the present invention.

FIG. 2 is a schematic view of an electric roller skate system of the present invention.

FIG. 3 is a schematic diagram of a power supply of an electric roller skating system according to the present invention.

FIG. 4 is a schematic diagram of an electric roller skating system according to the present invention.

FIG. 5 is a schematic diagram of a method for controlling an electric roller skate according to the present invention.

In the figure, 1 is a power supply, 2 is a power supply main switch, 3 is a hanging buckle, 4 is a power line, 5 is a pedal, 6 is a front fixing belt, 7 is a rear fixing belt, 8 is a rear baffle, 9 is a support, 10 is a wheel and a parallel line 11.

Detailed Description

The invention is further illustrated by combining a specific embodiment, fig. 1 is a schematic view of an electric roller skate of the invention, fig. 1 is a power supply, the power supply 1 is provided with a power supply main switch 2 and a hanging buckle 3, the power supply 1 is arranged at the waist of a human body through the hanging buckle 3, the power supply 1 is connected with a controller of the electric roller skate through a power cord 4 and a back baffle 8, the controller is arranged below a pedal 5, the upper surface of the pedal 5 is provided with a front fixing belt 6, a back fixing belt 7 and a back baffle 8, the back fixing belt 7 is arranged at the upper end of the back baffle 8, the front fixing belt 6 and the back fixing belt 7 are provided with sticking buckles, the heel of the foot of the human body is close to the inside of the back baffle 8, the front fixing belt 6 of a base fixing element, the back fixing belt 7 and the back baffle 8 limit-fix the foot of the human body, the pedal 5 is connected, the wheels 10 are connected with the controller, the wheels 10 are longitudinally arranged along the advancing and retreating directions of the electric roller skate, at least one of the wheels is an electric wheel, a pressure sensing device is arranged below the pedal and connected with the controller, the pressure sensing device is a sheet type pressure sensor and is arranged on the lower surface of the pedal 5 and electrically connected with the controller, the pedal 5 of the electric roller skate is deformed due to the grounding and the liftoff of the feet of the human body in the process of using the electric roller skate by the human body, the sheet type pressure sensor is deformed to output an electric signal to the controller, according to the control using method, the controller controls the wheels 10 to rotate according to the existing human body movement speed in the process of using the electric signal to control the wheels 10 to lift the electric roller skate off, and the electric roller skate is provided with a dumping power-off protection device, the dumping power-off protection device is integrated in the controller is connected, the controller can stop the movement of the wheels 10, and light is arranged around the pedal 5 and used for illumination and indication.

FIG. 2 is a schematic view of an electric roller skating system according to the present invention, wherein the electric roller skating system includes two electric roller skating shown in FIG. 1, the two electric roller skating are respectively fixed to the left and right feet of a human body, a first electric roller skating is arranged on the left foot of the human body, a second electric roller skating is arranged on the right foot of the human body, the first electric roller skating and the second electric roller skating can simultaneously move in a ground connection manner, the pressure sensor and the controller are used for driving the wheel 10 to rotate, so as to realize a front-back movement, and the steering is realized by different speeds of the two electric roller skating; the first electric roller skate and the second electric roller skate can move away from the ground in turn, namely two trundle streams of a human body drive the first electric roller skate and the second electric roller skate to leave the ground, for example, the first electric roller skate leaves the ground under the drive of a left foot, the human body depends on the second electric roller skate fixed by a right foot to move forward or backward, when the first electric roller skate is driven by the left foot to contact the ground, the human body depends on the first electric roller skate fixed by the left foot to move forward or backward, according to the control using method, the human body drives the electric roller skate leaving the ground to move according to the signal of the pressure sensor of the electric roller skate when the electric roller skate is not in contact with the ground, and therefore the phenomenon that the wheels 10 of the electric roller skate are rotated and alarmed mistakenly during the period of leaving the ground due to the action of the feet is avoided.

Fig. 3 is a schematic diagram of a power supply of the electric roller skate system shown in fig. 2, which includes two power supplies 1 for the first electric roller skate and the second electric roller skate, each power supply 1 is provided with a power supply main switch 2, each power supply is connected with the first electric roller skate and the second electric roller skate through the power cord 4, a parallel line 11 is arranged between the power supplies 1 for the first electric roller skate and the second electric roller skate, the parallel line 11 can be plugged and unplugged, and the parallel line 11 connects the electric cores inside the power supplies 1 for the first electric roller skate and the second electric roller skate in parallel, so that the first electric roller skate and the second electric roller skate can share the power supplies 1.

Fig. 4 is a schematic diagram of an electric roller skating system according to the present invention, in which 1 is a power source, 4 is a power line, and 10 is a wheel.

In the various embodiments of the present invention described above, the present invention has been described only by the embodiments selected for illustration and not for limitation, and there are many variations of the same principles that can be selected.

Claims

1. A control method of a pedal electric vehicle is characterized in that the pedal electric vehicle is fixedly connected with a human foot, the foot can leave the ground with the pedal electric vehicle, the pedal electric vehicle is provided with a sensing device at least used for detecting whether the pedal electric vehicle leaves the ground or is away from the ground, the sensing device outputs a signal to a controller of the pedal electric vehicle, the controller controls the movement of the pedal electric vehicle at least during leaving the ground according to the signal of the sensing device, and the controller can also control the movement of the pedal electric vehicle during contacting the ground according to the signal of the sensing device.

2. The pedal electric vehicle as claimed in claim 1, wherein the sensor device is a pressure sensor device, the electric roller is controlled by a control method of the electric roller, the electric roller is provided with a pressure sensor device for detecting the front and rear pressure of the foot of the human body, the front and rear pressure transmitted by the foot of the human body can be detected, the pressure sensor device is divided into a front pressure and a rear pressure, the controller of the electric roller receives the signal of the pressure sensor device and controls the movement of the grounding element for driving the electric roller, the grounding element is driven to move and the electric roller is driven to move in the forward and backward directions, when the pressure sensor device detects that the front pressure is greater than the rear pressure, the controller of the electric roller drives the grounding element to accelerate the electric roller to move forward, and when the pressure sensor device detects that the rear pressure is greater than the front pressure, the controller of the electric skidding drives the grounding element to enable the electric skidding to perform deceleration braking movement, when the pressure sensing device detects that the front pressure is the same as the rear pressure, the controller of the electric skidding drives the grounding element to operate according to the existing movement speed of the electric skidding, and when the pressure sensing device detects that the front pressure and the rear pressure are reduced simultaneously, the controller of the electric skidding drives the grounding element to operate according to the existing movement speed of the electric skidding.

3. The pedal electric vehicle as claimed in claim 1, wherein the sensor device is a pressure sensor device, the electric roller is controlled by a control method of the electric roller, the electric roller is provided with a pressure sensor device for detecting the front and rear pressure of the foot of the human body, the front and rear pressure transmitted by the foot of the human body can be detected, the pressure sensor device is divided into a front pressure and a rear pressure, the controller of the electric roller receives the signal of the pressure sensor device and controls the ground element for driving the electric roller to move, drives the ground element to move and enables the electric roller to move in the forward and backward directions, when the pressure sensor device detects that the front pressure is greater than the rear pressure and exceeds a first set value, the controller of the electric roller drives the ground element to enable the electric roller to move in an accelerated forward direction, and when the pressure sensor device detects that the rear pressure is greater than the second set value, the controller of the electric skidding drives the grounding element to enable the electric skidding to perform deceleration braking motion, when the pressure sensing device detects that the difference between the front pressure and the rear pressure is smaller than a third set value, the controller of the electric skidding drives the grounding element to operate according to the existing motion speed of the electric skidding, the third set value is smaller than or equal to a first set value or a second set value, when the sum of the front pressure and the rear pressure detected by the pressure sensing device is reduced to be smaller than a fourth set value, the fourth set value is smaller than the third set value, and the controller of the electric skidding drives the grounding element to operate according to the existing motion speed of the electric skidding.

4. The method of claim 3, wherein the magnitude of the first and second values of the front and rear pressures exceeds the first and second set values is proportional to the amount of force the controller drives the ground engaging elements to move, i.e. the greater the first and second values of the front and rear pressures exceed the first and second set values, the greater the amount of force the controller drives the ground engaging elements is proportional to the greater the front and rear pressures exceed the first and second set values, and conversely, the smaller the first and second values of the front and rear pressures exceed the first and second set values, the smaller the amount of force the controller drives the ground engaging elements is proportional to the smaller the front and rear pressures exceed the first and second.

5. The first electric roller skate is fixed on the left foot of a human body, the second electric roller skate is fixed on the right foot of the human body, when the first electric roller skate and the second electric roller skate are grounded, the first electric roller skate and the second electric roller skate detect the pressure of the front part and the rear part of the human foot, the pressure sensing devices of the first electric roller skate and the second electric roller skate respectively transmit signals to the controllers of the first electric roller skate and the second electric roller skate, the controllers of the first electric roller skate and the second electric roller skate respectively drive the respective grounding elements to drive the first electric roller skate and the second electric roller skate to move forwards and backwards so as to realize the front-and-back movement and the steering movement of the human body, and when the left foot drives the first electric roller skate fixed on the foot to lift up and leave the ground, the pressure sensing devices of the first electric roller skate detect the front part pressure and the rear part pressure of the first electric roller skate The sum of the forces is less than a set value four, the controller of the first electric roller skate receives a signal of the pressure sensing device of the first electric roller skate, the grounding element of the first electric roller skate fixed on the foot is controlled to operate according to the existing movement speed of the human body until the first electric roller skate is grounded to enable the grounding element to be grounded, because the human body can only move forwards in a forward-tilting posture, the pressure sensing device of the first electric roller skate detects that the front pressure is greater than a rear pressure set value one, the first electric roller skate pressure sensing device transmits a signal to the controller of the first electric roller skate, the controller of the first electric roller skate uses the signal of the pressure sensing device of the first roller skate to drive the grounding element of the first electric roller skate to drive the first electric roller skate to move in an accelerated mode, and then the controller uses the same method for the right foot and the second roller skate fixed on the foot, by the method, the electric roller skate can be driven by two feet of a human body to alternately move away from the ground and move to the ground, and the transition between the away from the ground and the ground is smooth to form a complete movement cycle process, so that the electric roller skate system can be driven by the human body to use the control and use method, and is suitable for various complex road conditions.

6. The method of claim 5, wherein the foot can move forward with a splayed force by pressing the front part of the left foot to increase the pressure on the front part of the first electric roller skate, the left foot is kicked out leftwards to drive the electric roller skate to move leftwards, the right foot is kicked out rightwards to increase the pressure on the front part of the second electric roller skate, and the right foot is kicked out rightwards to drive the electric roller skate to move rightwards, and the two feet and the electric roller skate are respectively used alternately, and the combined force of the two forces of the electric roller skate and the human body is used for moving forward.

7. The method for controlling and using an electric roller skating system as claimed in claim 5, wherein the electric roller skating system is further provided with a ground-off sensor for detecting whether the electric roller skating system is at least one of off-ground and off-ground distance, the ground-off sensor and the pressure sensing device are different types and principles of sensors, the electric roller skating system controller calculates to use the ground-off sensor to transmit signals and pressure sensing device signals, and changes the motion mode of driving the ground-contacting element, including completely switching and simultaneously using signals of each sensor, the completely switching means that the controller works with only one of the signals at a time, and the simultaneously using means that the controller works with signal weighting or ratio calculation of each sensor according to a set program, the addition of the ground-lift sensor can assist the electric roller skating system to control the movement more accurately.

8. An electric wheel skate comprising: the power supply is connected with the controller, the pressure sensing device and the grounding element are connected with the controller, and the foot fixing element fixes the electric roller to slide on the foot of a human body;

the ground engaging elements may be two or more wheels disposed in the forward and backward direction of the electric roller skate, or at least one set of crawler belt device disposed in the forward and backward direction of the electric roller skate, or may be a combination of wheels and crawler belt devices, and the wheels and crawler belt devices may have electric devices therein for driving the electric roller skate to move forward and backward, for example, the ground engaging elements may be one crawler belt device disposed in the same direction as the forward and backward direction of the electric roller skate, or the ground engaging elements may be two or more wheels disposed in the same direction as the forward and backward direction of the electric roller skate, and when the ground engaging elements are two or more wheels, the front and rear wheels may be aligned or not aligned but disposed in the forward and backward direction of the electric roller skate, a front pivot and a rear pivot are formed, so that the electric roller skate and the feet of the human body fixed on the electric roller skate are kept in balance front and back;

the pressure sensing device is at least one of a photoelectric sensor, a laser ranging sensor, an ultrasonic sensor, a torque sensor and the like, a plurality of sensors can detect pressure changes reflected by various phenomena and can be selected for use according to specific conditions, the pressure sensor can also adopt an electric switch, when the normally open or normally closed electric switch is subjected to pressure change, the electric connection is changed, and a signal is output to the controller, more accurate information can be obtained by utilizing a plurality of or a plurality of different types of sensors, the pressure sensors can be arranged at the connecting position of the electric roller skate and the human foot or at the connecting positions inside the electric pressure, such as the positions of the sole and the heel of the electric roller skate and the human foot, or at the positions of the front wheels and the rear wheels of the electric roller skate, or at the positions of the front wheels and the rear wheels of the crawler belt of the electric roller skate, and the like;

the foot fixing element is directly or indirectly fixed with the foot, the direct fixing comprises the direct fixing with the foot of the human body and the fixing with the foot of the shape of the shoe which integrates the foot fixing element, and the indirect fixing is realized by the foot fixing element and the shoe of the foot;

the power supply is arranged at the waist or the back of a human body, the power supply is provided with a power supply main switch, the power supply can be placed in a backpack at the waist or the back, the power supply can be hung on a waistband, an electric core of the power supply can be manually disassembled and replaced, the electric core can be directly replaced when the electric core has no electric quantity, the time is saved, the endurance mileage is increased, the power supply is provided with a charging port of mobile communication equipment, such as a USB charging port, the charging of mobile phones and the like is facilitated, the power supply can be disassembled and separated from the electric wheel in a sliding manner, the carrying and the independent charging are facilitated, the power supply can supply power for other electric appliances, and for example, a pluggable;

the electric wheel sliding device is provided with a dumping power-off protection device, the dumping power-off protection device is connected with a controller or directly connected with a power supply, the controller can stop the motion of the grounding element, and the power supply can be cut off by directly connecting with the power supply.

9. The electric roller skate of claim 8 wherein the electric roller skate is provided with a pedal, the pedal is provided with a housing chamber, the housing chamber is provided with a controller and a pressure sensing device, the pressure sensing device is a plate type pressure sensor, and the plate type pressure sensor is arranged in the housing chamber and on the lower surface of the pedal.

10. An electric wheel-skating system comprising: a first electric skate according to the preceding claims 8 and 9 and a second electric skate according to the preceding claims 8 and 9.

11. The electric roller skate system of claim 10 configured and operable such that the first electric roller skate is mounted on a left foot of a human body, the second electric roller skate is mounted on a right foot of the human body, and the power sources of the first electric roller skate and the second electric roller skate are shared, i.e., the first electric roller skate and the second electric roller skate share a power source or a plurality of power sources, the plurality of power sources can be separately and separately provided for the first electric roller skate and the second electric roller skate, and can be implemented by connecting the power sources in parallel, and the first electric roller skate and the second electric roller skate can have different structures, including but not limited to different components using the same function.