CN115962951A - Method for testing energy driving range of electric balance car - Google Patents
Method for testing energy driving range of electric balance car Download PDFInfo
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- CN115962951A CN115962951A CN202111533277.7A CN202111533277A CN115962951A CN 115962951 A CN115962951 A CN 115962951A CN 202111533277 A CN202111533277 A CN 202111533277A CN 115962951 A CN115962951 A CN 115962951A
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Abstract
The invention discloses a method for testing the energy driving range of an electric balance car, which comprises the following steps: 1. the electric balance car is installed in place; 2. zero setting of a tension and compression dynamometer; 3. applying pressure to the electric balance car; 4. giving the reverse resistance of the electric balance car and starting the electric balance car and the load motor; 5. adjusting the acceleration or deceleration state of the electric balance car; 6. and calculating the energy driving range after the electric balance car is stopped. The loading rod is used for pressurizing the vehicle body, the test quality can be loaded according to the test requirement, the loading data can be accurately obtained through the tension-compression dynamometer, the load motor is used for driving the driving roller to provide resistance for the electric balance vehicle, the resistance is adjustable, the portal frame is rotated to drive the loading rod to rotate to simulate the forward tilting or the backward tilting of a human, the acceleration or deceleration state of the electric balance vehicle is simulated, the computer converts the rotating speed of the motor collected by the encoder into the vehicle speed of the electric balance vehicle, and the energy continuous driving mileage of the electric balance vehicle is obtained by combining the outer diameter of the driving roller and the test time obtained by the timer.
Description
Technical Field
The invention belongs to the technical field of electric balance car energy driving range testing, and particularly relates to an electric balance car energy driving range testing method.
Background
The electric balance car is a novel walking tool integrating ultra-strong portability, unique controllability and driving pleasure, which is born by market demands, and the driving mode of the electric balance car is that a gyroscope and an acceleration sensor inside the car body are utilized to detect the forward tilting and backward tilting posture changes of the car body, and a servo control system is utilized to accurately drive a motor to perform corresponding acceleration and deceleration adjustment so as to achieve the purpose of balanced driving. Along with the continuous abundance of products in the market, the detection and inspection of the products are synchronously carried out, according to related test specifications and standard requirements, in order to assess the product quality of the electric balance car, a endurance mileage test and an endurance reliability test of the electric balance car need to be carried out, generally, the test is completed by manual driving, the strength is high, and the fatigue driving easily causes safety accidents, so that a test device capable of replacing the manual automatic driving of the balance car and an endurance reliability test method of the balance car are lacked at present according to test requirements and the characteristics of the car.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an energy driving range testing method for an electric balance car, which aims at overcoming the defects in the prior art, the loading rod is utilized to pressurize a car body, the testing quality can be loaded according to the testing requirement, the tension and compression dynamometer can accurately acquire loading data, the loading motor is utilized to drive the active roller to provide resistance for the electric balance car, the resistance is adjustable, the portal frame is rotated to drive the loading rod to rotate to simulate the forward tilting or backward tilting of a person, the acceleration or deceleration state of the electric balance car is simulated, the computer converts the motor rotating speed acquired by the encoder into the speed of the electric balance car, and the energy driving range of the electric balance car is acquired by combining the outer diameter of the active roller and the testing time acquired by the timer, so that the manual testing of a tester is replaced, and the method is safe, effective and convenient to popularize and use.
In order to solve the technical problems, the invention adopts the technical scheme that: an energy driving range testing method of an electric balance car utilizes an energy driving range testing system of the electric balance car to test the energy driving range of the electric balance car, the energy driving range testing system of the electric balance car comprises two oppositely arranged supporting frames, the supporting frames are double-peak-shaped supporting frames, each double-peak-shaped supporting frame comprises a first supporting peak plate and a second supporting peak plate, a valley groove is formed between the first supporting peak plate and the second supporting peak plate, a driving roller is installed between the two first supporting peak plates, a follow-up roller is installed between the two second supporting peak plates, a load motor used for driving the driving roller to rotate is arranged on the outer side of one first supporting peak plate, a portal frame rotating rod used for connecting the bottom of a portal frame is erected between the two valley grooves, a motor with double output shafts is arranged at the position, located in a trough groove, of the outer side wall of one of the double-peak-shaped support frames, a first output shaft of the motor with the double output shafts is connected with one vertical rod of a portal frame, a second output shaft of the motor with the double output shafts is connected with one end of a rotating rod of the portal frame, the other end of the rotating rod of the portal frame is connected with the other vertical rod of the portal frame, two guide threaded pipes of a hollow structure are arranged at the bottom of a cross rod at the top of the portal frame, one end of a loading rod sequentially penetrates through the cross rod at the top of the portal frame and the guide threaded pipes to be connected with a pedal, two pull rods penetrate through positions, located on the outer sides of the two guide threaded pipes, of the cross rod at the top of the portal frame, one end of a tension and compression dynamometer is connected with the bottoms of the pull rods, and the other end of the tension and compression dynamometer is connected with the pedal;
an encoder for measuring the rotating speed of the load motor is installed on an output shaft of the load motor, a signal output end of the encoder is connected with a signal input end of a computer, the computer is connected with a timer, and the motor with double output shafts and the load motor are controlled by the computer;
the method is characterized by comprising the following steps:
step one, installing an electric balance car in place: placing the electric balance car right above the space between the follow-up roller and the driving roller, and adjusting the extension of the loading rod and the pull rod until the pedal is contacted with the upper surface of a standing area of the electric balance car;
step two, zero setting of the tension and compression dynamometer: when the pedal is in contact with the upper surface of the standing area of the electric balance car, the loading rod does not load pressure on the electric balance car, and the tension and compression dynamometer is adjusted to a zero position;
step three, applying pressure to the electric balance car: adjusting the extension of the loading rod, keeping the pull rod still, driving the tension and compression dynamometer to extend and bear force while the loading rod extends, buffering the stress of the tire of the electric balance car by extrusion until the tension and compression dynamometer displays that the loading pressure reaches a design value, and stopping rotating the loading rod to extend;
step four, giving the reverse resistance of the electric balance car and starting the electric balance car and a load motor: according to the dead weight and the loading pressure of the electric balance car, a reverse resistance design value of the electric balance car is given, the computer reversely starts the load motor according to the running direction of the electric balance car, and simultaneously starts the electric balance car to enable the electric balance car to stably run according to the set running resistance;
after the electric balance car is started, a timer starts timing, and an encoder measures the real-time rotating speed of a load motor;
step five, adjusting the acceleration or deceleration state of the electric balance car: the computer controls the rotation of the double-output-shaft motor, the double-output-shaft motor rotates to drive the portal frame to rotate and tilt, the portal frame tilts to drive the loading rod to tilt, the loading rod tilts to control the tilting of the electric balance car, and a simulation tester controls the forward tilting or the backward tilting of the electric balance car;
when a gyroscope in the electric balance car detects that the electric balance car tilts forward, the electric balance car operates in an accelerated manner;
when a gyroscope in the electric balance car detects that the electric balance car tilts backwards, the electric balance car operates in a deceleration mode;
in the operation stage of the electric balance car, the timer continuously times, and the encoder continuously measures the real-time rotating speed of the load motor;
step six, calculating the energy driving range after the electric balance car is stopped: when the electric balance car runs out of energy, the timer stops timing, the computer controls the load motor to stop, and the computer determines the energy driving range of the electric balance car according to the rotating speed of the load motor, the outer diameter of the driving roller and the timing time measured by the encoder.
The method for testing the energy driving range of the electric balance car is characterized by comprising the following steps: the testing device is characterized by further comprising a hollow table body, a testing port and a strip hole are formed in the top of the hollow table body, a vertical rod of the portal frame extends out of the strip hole, and the top of the driving roller and the top of the following roller and the other vertical rod of the portal frame extend out of the testing port.
The method for testing the energy driving range of the electric balance car is characterized by comprising the following steps: the two supporting peak plates are provided with a load motor rotating shaft for installing a driving roller, the load motor applies resistance to the driving roller through the load motor rotating shaft, and a supporting shaft for installing a follow-up roller is arranged between the two supporting peak plates.
The method for testing the energy driving range of the electric balance car is characterized by comprising the following steps: and a gap is formed between the follow-up roller and the driving roller, and the width of the gap is smaller than the diameter of the tire of the electric balance car.
The method for testing the energy driving range of the electric balance car is characterized by comprising the following steps: the bottom surface of footboard and electrodynamic balance car stand district upper surface cooperation.
The method for testing the energy driving range of the electric balance car is characterized by comprising the following steps: external threads are arranged outside the loading rod, and the loading rod is in threaded connection with the guide threaded pipe.
The method for testing the energy driving range of the electric balance car is characterized by comprising the following steps of: and the other end of the loading rod is provided with a handle.
The method for testing the energy driving range of the electric balance car is characterized by comprising the following steps: and wear-resistant layers are arranged outside the follow-up roller and the driving roller.
The method for testing the energy driving range of the electric balance car is characterized by comprising the following steps: and the signal output end of the computer is connected with a display.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the guide threaded pipe and the pull rod are installed through the portal frame, one end of the loading rod sequentially penetrates through the top cross rod of the portal frame and the guide threaded pipe to be connected with the pedal, the bottom surface of the pedal is matched with the upper surface of a standing area of the electric balance car, the loading rod is utilized to pressurize the car body, test quality can be loaded according to test requirements, one end of the tension and compression dynamometer is connected with the bottom of the pull rod, the other end of the tension and compression dynamometer is connected with the pedal, the loading rod is extended to drive the tension and compression dynamometer to extend, and loading data are accurately obtained through the tension and compression dynamometer, so that the electric balance car is convenient to popularize and use.
2. The invention utilizes the load motor to drive the driving roller to provide resistance for the electric balance car, the electric balance car is started, the electric balance car consumes electric energy after the tire rotation and the driving roller of the electric balance car are in sliding friction, the resistance provided by the load motor in reverse rotation is adjustable, and the energy continuous driving capability of the electric balance car under different resistances can be simulated.
3. The invention has novel and reasonable design, because the driving mode of the electric balance car is to utilize a gyroscope and an acceleration sensor in the car body to detect the changes of the forward-leaning posture and the backward-leaning posture of the car body, and utilize a car-mounted servo control system to accurately carry out corresponding acceleration and deceleration adjustment.
4. According to the invention, the encoder for measuring the rotating speed of the load motor is mounted on the output shaft of the load motor, the signal output end of the encoder is connected with the signal input end of the computer, the computer is connected with the timer, the rotating speed of the motor acquired by the encoder is converted into the speed of the electric balance car by the computer, and the energy driving range of the electric balance car is acquired by combining the outer diameter of the driving roller and the testing time acquired by the timer, so that the manual testing of a tester is replaced, and the method is safe and effective.
In conclusion, the invention has novel and reasonable design, the loading rod is utilized to pressurize the vehicle body, the test quality can be loaded according to the test requirement, the loading data can be accurately obtained through the tension-compression dynamometer, the load motor is utilized to drive the active roller to provide resistance for the electric balance vehicle, the resistance is adjustable, the portal frame is rotated to drive the loading rod to rotate to simulate the forward tilting or backward tilting of a human, the acceleration or deceleration state of the electric balance vehicle is simulated, the computer converts the motor rotation speed acquired by the encoder into the vehicle speed of the electric balance vehicle, and the energy driving mileage of the electric balance vehicle is obtained by combining the outer diameter of the active roller and the test time acquired by the timer, so that the manual test of testers is replaced, the invention is safe and effective, and is convenient for popularization and use.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic diagram of the structural connection of the test system employed in the present invention.
Fig. 2 is a schematic view of the structural connection of the portal frame, the support frame and the rollers of the present invention.
FIG. 3 is a schematic block circuit diagram of a test system employed in the present invention.
FIG. 4 is a block flow diagram of the method of the present invention.
Description of reference numerals:
1-hollow table body; 2-a test port; 3-a long hole;
4, supporting frames; 5, a motor with double output shafts; 6, gantry frame;
7-a load motor; 8, driving rollers; 9-follow-up roller;
10, an electric balance car; 11-a tyre; 12-guiding the threaded pipe;
13-a loading rod; 14-a pedal; 15-a pull rod;
16-a tension and compression dynamometer; 17-a handle; 18-first supporting peak plate;
19-a second supporting peak plate; 20-load motor shaft; 21-a support shaft;
22-a first output shaft of the motor; 23-a computer; 24-an encoder;
25-a timer; 26 — display.
Detailed Description
As shown in fig. 1 to 4, in the method for testing the energy continuous driving range of the electric balance car, an energy continuous driving range of the electric balance car is tested by using an energy continuous driving range testing system of the electric balance car, the energy continuous driving range testing system of the electric balance car comprises two oppositely arranged support frames 4, the support frames 4 are double-peak-shaped support frames, each double-peak-shaped support frame comprises a first support peak plate 18 and a second support peak plate 19, a valley groove is formed between the first support peak plate 18 and the second support peak plate 19, an active roller 8 is installed between the two first support peak plates 18, a follower roller 9 is installed between the two second support peak plates 19, a load motor 7 for driving the active roller 8 to rotate is arranged on the outer side of one first support peak plate 18, a rotating rod for connecting a portal frame at the bottom of the portal frame 6 is arranged between the two valley grooves, a rotating rod for connecting the outer side wall of one double-peak-shaped support frame is arranged at the valley position, a motor 5 with a first output shaft 22 of a motor of the motor 5 is connected with one upright rod of the portal frame 6, a second output shaft 5 of the portal frame is connected with a threaded rod 12, and a hollow pressure guide cross rod 16 connected with a top of the portal frame, and a hollow pressure guide cross rod 15, and a hollow pressure guide cross rod of the portal frame, and a portal frame 15 are arranged at the top of the portal frame 6, and a hollow pressure guide cross rod 15, and a portal frame guide cross rod connected with the other portal frame 6, and another portal frame guide cross rod 14 are connected with a hollow pressure guide cross rod, and a hollow pressure guide cross rod 15;
an encoder 24 for measuring the rotating speed of the load motor 7 is installed on an output shaft of the load motor 7, a signal output end of the encoder 24 is connected with a signal input end of a computer 23, a timer 25 is connected to the computer 23, and the motor 5 with double output shafts and the load motor 7 are controlled by the computer 23;
the test method comprises the following steps:
step one, installing an electric balance car in place: placing the electric balance car 10 right above the space between the follow-up roller 9 and the driving roller 8, and adjusting the extension of the loading rod 13 and the pull rod 15 until the pedal 14 is contacted with the upper surface of the standing area of the electric balance car 10;
step two, zero setting of the tension and compression dynamometer: when the pedal 14 is in contact with the upper surface of the standing area of the electric balance car 10, the loading rod 13 does not load pressure on the electric balance car 10, and the tension and compression force measuring instrument 16 is adjusted to a zero position;
step three, applying pressure to the electric balance car: adjusting the extension of the loading rod 13, keeping the pull rod 15 still, driving the tension and compression dynamometer 16 to extend and bear force while the loading rod 13 extends, buffering the stress of the tire 11 of the electric balance car 10 by extrusion until the tension and compression dynamometer 16 displays that the loading pressure reaches a design value, and stopping rotating the extension of the loading rod 13;
step four, giving the reverse resistance of the electric balance car and starting the electric balance car and a load motor: according to the self weight and the loading pressure of the electric balance car 10, a reverse resistance design value of the electric balance car 10 is given, the computer 23 reversely starts the load motor 7 according to the running direction of the electric balance car 10, and simultaneously starts the electric balance car 10, so that the electric balance car 10 stably runs according to the set running resistance;
after the electric balance car 10 is started, the timer 25 starts timing, and the encoder 24 measures the real-time rotating speed of the load motor 7;
step five, adjusting the acceleration or deceleration state of the electric balance car: the computer 23 controls the double-output-shaft motor 5 to rotate, the double-output-shaft motor 5 rotates to drive the portal frame 6 to rotate and tilt, the portal frame 6 tilts to drive the loading rod 13 to tilt, the loading rod 13 tilts to control the electric balance car 10 to tilt, and a simulation tester controls the electric balance car 10 to tilt forwards or backwards;
when a gyroscope in the electric balance car 10 detects that the electric balance car 10 tilts forward, the electric balance car 10 operates in an accelerated manner;
when the gyroscope in the electric balance car 10 detects that the electric balance car 10 tilts backwards, the electric balance car 10 operates in a decelerating mode;
in the operation stage of the electric balance car 10, the timer 25 continuously times, and the encoder 24 continuously measures the real-time rotating speed of the load motor 7;
step six, calculating the energy driving range after the electric balance car is stopped: when the electric balance car 10 stops running after the energy is exhausted, the timer 25 stops timing, the computer controls the load motor 7 to stop running, and the computer determines the energy driving range of the electric balance car 10 according to the rotating speed of the load motor 7, the outer diameter of the driving roller 8 and the timing time measured by the encoder 24.
It should be noted that, a guide threaded pipe 12 and a pull rod 15 are installed through a portal frame 6, one end of a loading rod 13 sequentially penetrates through a top cross rod of the portal frame 6 and the guide threaded pipe 12 to be connected with a pedal 14, the bottom surface of the pedal 14 is matched with the upper surface of a standing area of an electric balance car 10, the loading rod 3 is used for pressurizing a car body, test quality can be loaded according to test requirements, one end of a tension and compression dynamometer 16 is connected with the bottom of the pull rod 15, the other end of the tension and compression dynamometer 16 is connected with the pedal 14, the loading rod 3 extends to drive the tension and compression dynamometer 16 to extend, and loading data are accurately acquired through the tension and compression dynamometer 16; the load motor 7 is used for driving the driving roller 8 to provide resistance for the electric balance car 10, the electric balance car 10 is started, electric energy is consumed after tires 11 of the electric balance car 10 rotate and the driving roller 8 slide and rub, the resistance provided by the load motor 7 rotating in the reverse direction is adjustable, and the energy continuous driving capability of the electric balance car 10 under different resistances can be simulated.
In actual use, because the electric balance car is driven by using a gyroscope and an acceleration sensor inside the car body to detect changes of forward-leaning and backward-leaning postures of the car body, and by using a vehicle-mounted servo control system to accurately perform corresponding acceleration and deceleration adjustment, the invention arranges a double-output shaft motor 5, a first motor output shaft 22 of the double-output shaft motor 5 is connected with one upright post of a portal frame 6, a second motor output shaft of the double-output shaft motor 5 is connected with one end of a portal frame rotating rod, the other end of the portal frame rotating rod is connected with the other upright post of the portal frame 6, two output shafts of the double-output shaft motor 5 can drive the portal frame to rotate, a loading rod 13 rotates and tilts the portal frame 6 to drive the electric balance car 10 to lean forward or backward, the forward-leaning or backward-leaning of a human is simulated, the accelerating or decelerating state of the electric balance car is simulated, an encoder 24 for measuring the rotating speed of the load motor 7 is arranged on an output shaft of the load motor 7, a signal output end of the encoder 24 is connected with a signal input end of the computer 23, the computer 23 is connected with a timer 25, the rotating speed of the motor collected by the encoder is converted into the outer diameter of the electric balance car, the electric balance car is combined with an energy meter and an electric balance car, an electric wheel 8, an effective test person is obtained, the effective test time is replaced, and an effective test time for the person, and the person to test.
In the embodiment, the device further comprises a hollow table body 1, the top of the hollow table body 1 is provided with a test port 2 and a strip hole 3, one vertical rod of the portal frame 6 extends out of the strip hole 3, and the tops of the driving roller 8 and the follow-up roller 9 and the other vertical rod of the portal frame 6 extend out of the test port 2.
It should be noted that the hollow table body 1 is arranged to place the driving roller 8 and the following roller 9 in the experiment table, so as to avoid the influence of human external factors on the test and ensure the safety of the test.
In this embodiment, a load motor rotating shaft 20 for installing the driving roller 8 is disposed between the two first supporting peak plates 18, the load motor 7 applies resistance to the driving roller 8 through the load motor rotating shaft 20, and a supporting shaft 21 for installing the follower roller 9 is disposed between the two second supporting peak plates 19.
In this embodiment, a gap is formed between the follower roller 9 and the drive roller 8, and the width of the gap is smaller than the diameter of the tire 11 of the electric balance vehicle 10.
It should be noted that the gap width is smaller than the diameter of the tire 11 of the electric balance car 10, so as to ensure that the electric balance car 10 can be placed between the follower roller 9 and the drive roller 8 and is in contact with and in running fit with the follower roller 9 and the drive roller 8.
In this embodiment, the bottom surface of the pedal 14 is engaged with the upper surface of the standing area of the electric balance car 10.
In this embodiment, an external thread is disposed outside the loading rod 13, the loading rod 13 is in threaded connection with the guide threaded pipe 12, and the guide threaded pipe 12 can lock the pressure applied by the loading rod 13 and the pedal 14 to the upper surface of the standing area of the electric balance car 10, so as to prevent the loading rod 13 from unloading.
In this embodiment, the other end of the loading rod 13 is provided with a handle 17.
In this embodiment, the wear-resistant layers are arranged outside the follow-up roller 9 and the driving roller 8, and are matched with the load motor 7 to provide resistance for the electric balance car 10.
In this embodiment, a signal output end of the computer 23 is connected to a display 26.
When the electric balance car is used, the electric balance car 10 is placed between the follow-up roller 9 and the driving roller 8, the loading quality, the running resistance and the acceleration and deceleration state are determined according to the test requirements, the loading rod is used for pressurizing the car body, the test quality can be loaded according to the test requirements, the loading data can be accurately obtained through the tension and compression dynamometer, the driving roller is driven by the loading motor to provide resistance for the electric balance car, the resistance is adjustable, the portal frame is rotated to drive the loading rod to rotate to simulate the forward tilting or backward tilting of a human, the acceleration or deceleration state of the electric balance car is simulated, the electric balance car 10 is started, the electric balance car 10 keeps the test state to run until the electric energy consumption is finished, the motor rotating speed acquired by the encoder is converted into the speed of the electric balance car by the computer, the energy driving mileage of the electric balance car is acquired by combining the outer diameter of the driving roller 8 and the test time acquired by the timer, and the manual test of a tester is replaced, and the electric balance car is safe and effective.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. An energy continuous driving range testing method of an electric balance car comprises the steps of testing the energy continuous driving range of the electric balance car by using an energy continuous driving range testing system of the electric balance car, wherein the energy continuous driving range testing system of the electric balance car comprises two oppositely arranged supporting frames (4), each supporting frame (4) is a double-peak-shaped supporting frame, each double-peak-shaped supporting frame comprises a first supporting peak plate (18) and a second supporting peak plate (19), a trough groove is formed between each first supporting peak plate (18) and each second supporting peak plate (19), a driving roller (8) is arranged between the two first supporting peak plates (18), a follow-up roller (9) is arranged between the two second supporting peak plates (19), one first supporting peak plate (18) is provided with a load motor (7) for driving the driving roller (8) to rotate, a portal frame for connecting the bottoms of rotating rods (6) is arranged between the two trough grooves, one hollow outer side wall of each double-peak-shaped supporting frame is positioned at the trough groove position and is provided with a double-output shaft motor (5), the first output shaft motor (5) of the two portal frames is connected with the top of the portal frame (6), and the other portal frame (6), and a hollow portal frame is provided with a guide shaft structure (12) connected with the other portal frame, one end of a loading rod (13) sequentially penetrates through a top cross bar of a portal frame (6) and guide threaded pipes (12) to be connected with a pedal (14), two pull rods (15) penetrate through positions, located on the outer sides of the two guide threaded pipes (12), of the top cross bar of the portal frame (6), one end of a tension and compression dynamometer (16) is connected with the bottoms of the pull rods (15), and the other end of the tension and compression dynamometer (16) is connected with the pedal (14);
an encoder (24) for measuring the rotating speed of the load motor (7) is installed on an output shaft of the load motor (7), a signal output end of the encoder (24) is connected with a signal input end of a computer (23), a timer (25) is connected to the computer (23), and the motor (5) with double output shafts and the load motor (7) are controlled by the computer (23);
the method is characterized by comprising the following steps:
step one, installing an electric balance car in place: placing the electric balance car (10) right above the space between the follow-up roller (9) and the driving roller (8), and adjusting the extension of the loading rod (13) and the pull rod (15) until the pedal (14) is contacted with the upper surface of the standing area of the electric balance car (10);
step two, zero setting of the tension and compression dynamometer: when the pedal (14) is in contact with the upper surface of the standing area of the electric balance car (10), the loading rod (13) does not load pressure on the electric balance car (10), and the tension and compression dynamometer (16) is adjusted to a zero position;
step three, applying pressure to the electric balance car: adjusting the extension of the loading rod (13), keeping the pull rod (15) still, driving the tension and compression dynamometer (16) to extend and bear force while the loading rod (13) extends, buffering the stress of the tire (11) of the electric balance car (10) by extrusion until the tension and compression dynamometer (16) displays that the loading pressure reaches a design value, and stopping rotating the extension of the loading rod (13);
step four, giving the reverse resistance of the electric balance car and starting the electric balance car and a load motor: according to the self weight and the loading pressure of the electric balance car (10), a reverse resistance design value of the electric balance car (10) is given, the computer (23) reversely starts the load motor (7) according to the running direction of the electric balance car (10), and simultaneously starts the electric balance car (10) to enable the electric balance car (10) to stably run according to the set running resistance;
after the electric balance car (10) is started, a timer (25) starts to time, and an encoder (24) measures the real-time rotating speed of a load motor (7);
step five, adjusting the acceleration or deceleration state of the electric balance car: the computer (23) controls the double-output-shaft motor (5) to rotate, the double-output-shaft motor (5) rotates to drive the portal frame (6) to rotate and incline, the portal frame (6) inclines to drive the loading rod (13) to incline, the loading rod (13) inclines to control the electric balance car (10) to incline, and a simulation tester controls the electric balance car (10) to incline forwards or lean backwards;
when a gyroscope in the electric balance car (10) detects that the electric balance car (10) tilts forward, the electric balance car (10) runs in an accelerated mode;
when the gyroscope in the electric balance car (10) detects that the electric balance car (10) tilts backwards, the electric balance car (10) operates in a decelerating mode;
in the running stage of the electric balance car (10), the timer (25) continuously counts time, and the encoder (24) continuously measures the real-time rotating speed of the load motor (7);
step six, calculating the energy driving range after the electric balance car is stopped: when the electric balance car (10) stops running after the energy is exhausted, the timer (25) stops timing, the computer controls the load motor (7) to stop running, and the computer determines the energy driving range of the electric balance car (10) according to the rotating speed of the load motor (7) measured by the encoder (24), the outer diameter of the driving roller (8) and the timing time.
2. The electrodynamic balance car energy range test method of claim 1, characterized in that: still include cavity stage body (1), test mouth (2) and rectangular hole (3) have been seted up at cavity stage body (1) top, rectangular hole (3) are stretched out to a pole setting of portal frame (6), and test mouth (2) are stretched out to the top of initiative gyro wheel (8) and follower roller (9) and another pole setting of portal frame (6).
3. The electrodynamic balance car energy range test method of claim 1, wherein: two be provided with load motor shaft (20) of installation initiative gyro wheel (8) between first support peak board (18), resistance is applyed for initiative gyro wheel (8) through load motor shaft (20) in load motor (7), two be provided with back shaft (21) of installation follow-up gyro wheel (9) between second support peak board (19).
4. The electrodynamic balance car energy range test method of claim 1, characterized in that: a gap is formed between the follow-up roller (9) and the driving roller (8), and the width of the gap is smaller than the diameter of a tire (11) of the electric balance car (10).
5. The electrodynamic balance car energy range test method of claim 1, characterized in that: the bottom surface of the pedal (14) is matched with the upper surface of a standing area of the electric balance car (10).
6. The electrodynamic balance car energy range test method of claim 1, wherein: external threads are arranged outside the loading rod (13), and the loading rod (13) is in threaded connection with the guide threaded pipe (12).
7. The electrodynamic balance car energy range test method of claim 1, characterized in that: and the other end of the loading rod (13) is provided with a handle (17).
8. The electrodynamic balance car energy range test method of claim 1, characterized in that: and wear-resistant layers are arranged outside the follow-up roller (9) and the driving roller (8).
9. The electrodynamic balance car energy range test method of claim 1, wherein: and the signal output end of the computer (23) is connected with a display (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111533277.7A CN115962951A (en) | 2021-12-15 | 2021-12-15 | Method for testing energy driving range of electric balance car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111533277.7A CN115962951A (en) | 2021-12-15 | 2021-12-15 | Method for testing energy driving range of electric balance car |
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