CN105241672B - Electric unicycle mileage and climbing testing device - Google Patents

Abstract

Electric unicycle mileage and climbing testing arrangement, including airtight box, airtight box top is equipped with refrigeration air supply mechanism and mounting bracket, is equipped with amount of wind rotation adjustment mechanism, angle adjusting mechanism and magnetcisuspension floated mileage accredited testing organization in the airtight box, and refrigeration air supply mechanism is equipped with airtight box upper portion, and angle adjusting mechanism establishes in airtight box bottom, and magnetcisuspension floated mileage accredited testing organization establishes on angle adjusting mechanism. The mileage testing device is reasonable in design, simple in structure and simple and convenient to operate, provides a mileage testing device for the self-balancing electric monocycle before delivery, and is strong in adaptability and easy to popularize and apply.

Description

Electric unicycle mileage and climbing testing device

Technical Field

The invention relates to a device for testing mileage and climbing of an electric unicycle.

Background

The self-balancing electric bicycle is an important branch and a typical application of an inverted pendulum system. In fact, it can be understood that under the control of a computer, through the real-time analysis of various state parameters of the system, the displacement of the system in the horizontal direction or the vertical direction and the offset of the angle (angular velocity) are controlled within the allowable range, so that the system is kept in balance. After the user places the feet on the folding pedals at the two sides of the wheelbarrow respectively, the body is slightly inclined forwards to move forwards, the body is decelerated when the body is inclined backwards, and the body is inclined leftwards and rightwards to turn. The more the body is tilted forward, the faster the speed, and a series of tumblers in the vehicle ensure that it is well balanced. It is the practice to adjust the speed by sensing the angle of the pedal and the ground.

A self-balancing one-wheel electric vehicle is a travel tool which is driven by electric power and controlled by self-balancing capability. Nowadays of the rapid development of society, traffic jam also becomes a common phenomenon in a plurality of large and medium-sized cities, and the self-balancing single-wheel electric vehicle is fashionable and convenient and fast, so that people can enjoy the relaxation and joy of going through a busy city and the rapidness of going to work and going to work.

The self-balancing monocycle is suitable for daily commuting use or weekend as leisure sports and suitable for daily commuting use or weekend as leisure sports. The gyroscope sensor is used for controlling balance, and the motor with high power is used for driving, so that good power can be obtained. The interior is controlled by a program, so that the driving speed is considered while the safety is ensured.

The self-balancing monocycle is a new-generation energy-saving, environment-friendly and portable travel tool, can travel for a short distance, and can replace buses and subways. The monocycle is convenient to carry and can be directly placed into a trunk of an automobile, and the monocycle is used at home or in an office.

However, the mileage test of the self-balancing electric vehicle in the market before leaving the factory is difficult, and the mileage test is difficult to accurately test due to the influence of factors such as pressure, temperature and gradient in the test process.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides the electric unicycle mileage and climbing testing device which is easy to operate, accurate in testing and capable of being adjusted according to different road conditions.

In order to solve the technical problems, the invention adopts the following technical scheme: the electric unicycle mileage and climbing testing device comprises a closed box body, wherein an angle adjusting mechanism and a magnetic suspension type mileage testing mechanism are arranged in the closed box body, the angle adjusting mechanism is arranged at the bottom of the closed box body, and the magnetic suspension type mileage testing mechanism is arranged on the angle adjusting mechanism;

the magnetic suspension type mileage testing mechanism comprises a base arranged in a closed box body, wherein an annular gap is formed in the outer edge of the top of the base, an annular suspension box is sleeved on the base at the gap, a rubber plate is arranged on the upper surface of the suspension box, lower supporting electromagnet groups are uniformly arranged on the bottom surface of the gap on the base along the circumferential direction, inner limiting electromagnet groups are uniformly arranged on the vertical surface of the gap on the base along the circumferential direction, an upper supporting electromagnet group and an outer limiting electromagnet group are respectively arranged on the lower surface and the inner vertical surface inside the suspension box along the horizontal circumferential direction, the lower supporting electromagnet groups and the upper supporting electromagnet groups are vertically corresponding and opposite in polarity, the inner limiting electromagnet groups and the outer limiting electromagnet groups are horizontally corresponding and opposite in polarity, a weight box positioned above the upper supporting electromagnet groups is arranged in the suspension box, and a liquid filling port; the inner side and the outer side of the suspension box of the base are respectively and vertically provided with an inner threaded rod and an outer threaded rod, the inner threaded rod and the outer threaded rod are respectively provided with a left fixed seat and a right fixed seat, the front sides of the left fixed seat and the right fixed seat are respectively in threaded connection with a front speed adjusting bolt, the rear sides of the left fixed seat and the right fixed seat are respectively in threaded connection with a rear speed adjusting bolt, a left pedal is arranged between the front speed adjusting bolt and the rear speed adjusting bolt on the left side, a right pedal is arranged between the front speed adjusting bolt and the rear speed adjusting bolt on the right side, two sides of the upper housing of the driving wheel of the electric unicycle are respectively arranged in the middle parts of the left pedal and the right pedal, the inner threaded rod or the outer threaded rod is provided with an encoder for monitoring the rotating number, the vertical surface is vertical to the rotating surface of the driving wheel, and the edge of the bottom of the driving wheel is in contact with the surface of the rubber plate;

the angle adjusting mechanism comprises a left support, a right support and a supporting and adjusting oil cylinder, a fixed frame is arranged on the left support, a movable plate is arranged at the bottom of the left side of the base, the lower part of the movable plate is hinged to the fixed frame through a pin shaft, an angle dial which is concentric with the pin shaft is arranged on the front side of the fixed frame, and a pointer pointing to the center of the angle dial is connected to the lower surface of the base; when the base is in a horizontal state, the right end of the base is supported on the right support, the pointer is in a vertical direction, and the lower end of the pointer points to the 0 scale of the angle dial; the supporting and adjusting oil cylinder is close to the right support and is positioned on the left side of the right support, the lower end of the supporting and adjusting oil cylinder is arranged at the bottom of the closed box body through a lower hinge seat, and the upper end of the supporting and adjusting oil cylinder is hinged with the right side of the base through an upper hinge seat.

Two balancing mechanisms are arranged on the outer side of the base; taking the center of the suspension box as a vertex, wherein the included angle between the two balance mechanisms and the vertex and the included angle between each balance mechanism and the lowest end of the driving wheel are equal, and the included angle is 120 degrees;

the balance mechanism comprises a balance frame arranged outside the base and a lower balance electromagnet group arranged on the upper surface inside the suspension box, wherein a circle is uniformly arranged on the lower balance electromagnet group along the horizontal circumferential direction of the suspension box, an upper balance electromagnet positioned above the rubber plate is arranged at the top of the balance frame, and the upper balance electromagnet and the lower balance electromagnet group are vertically corresponding and opposite in polarity.

By adopting the technical scheme, the invention also comprises the following technical characteristics: the top of the closed box body is provided with a refrigeration air supply mechanism and a mounting rack, the closed box body is internally provided with an air quantity rotation adjusting mechanism, and the refrigeration air supply mechanism is arranged on the upper part of the closed box body.

The air quantity rotation adjusting mechanism comprises an outer sleeve, an inner sleeve and a servo motor, the upper end and the lower end of the outer sleeve are respectively connected with the top and the bottom of the closed box body, the inner sleeve is coaxially arranged in the outer sleeve, the servo motor is positioned in the outer sleeve and fixed at the bottom of the closed box body, a main shaft of the servo motor is coaxially connected with an installation column through a coupler, the outer diameter of the installation column is equal to the inner diameter of the inner sleeve, the lower end of the inner sleeve is inserted in the installation column and is in contact with the coupler, and the inner sleeve is fixedly connected with the installation; the outer sleeve is uniformly provided with outer arc-shaped holes, the inner sleeve is uniformly provided with inner arc-shaped holes, and the outer arc-shaped holes and the inner arc-shaped holes are horizontally arranged and are in one-to-one correspondence; a gap is reserved between the inner wall of the outer sleeve and the outer wall of the inner sleeve, a positioning ring and a sliding sleeve positioned on the upper side of the positioning ring are arranged on the inner wall of the outer sleeve, the outer wall of the sliding sleeve is tightly matched with the inner wall of the outer sleeve, and the inner wall of the sliding sleeve is in clearance fit with the outer wall of the inner sleeve;

the refrigeration air supply mechanism comprises a shell, a box body, a refrigeration compressor, a condenser, a condensation radiator and a throttle valve are arranged in the shell, the refrigeration compressor, the condenser, the condensation radiator and the throttle valve are positioned at the top of the box body, the air quantity adjusting motor and the turbofan are arranged in the box body, an evaporator and an air door for adjusting the size of the ventilation sectional area in the box body are arranged in the box body, a rotating shaft which is rotatably connected to the box body is vertically arranged in the middle of the air door, a main shaft of the air quantity adjusting motor is in transmission connection with the rotating shaft, a condensation radiator is arranged on the condenser, a heat dissipation air inlet window adjacent to a refrigeration compressor and a heat dissipation air outlet window adjacent to the condensation radiator are arranged on the shell, the refrigeration compressor, the condenser, the throttle valve, the evaporator and the refrigeration compressor are sequentially connected through a pipeline, a cooling air inlet connected with an air inlet of the turbofan is arranged on the shell, an air; the box body is connected with a wind scooper at one end adjacent to the evaporator, the outlet of the wind scooper is connected with a flexible hose extending out of the shell, a pincer type wind speed adjusting mechanism is arranged on the flexible hose, a straight pipe joint is detachably connected to the mounting frame and vertically arranged, the upper end of the straight pipe joint is connected with the flexible hose through a bent pipe joint, the upper end of the inner sleeve penetrates through the top of the airtight box body and coaxially extends into the straight pipe joint, and a rotary sealing structure is arranged between the straight pipe joint and the inner sleeve; the top of the closed box body is provided with a sealing ring which is matched with the outer wall of the inner sleeve in a sealing way;

the clamp type wind speed adjusting mechanism comprises a fixing plate which is vertically arranged, a regulating motor and a square tube which is vertically arranged are arranged on the surface of one side of the fixing plate, a gear is connected with the power output end of the regulating motor in a transmission manner, a box body is arranged outside the gear and the regulating motor on the side of the square tube, a rack is connected in the sliding manner in the square tube, a notch which is communicated with the inside of the square tube is arranged on the side of the square tube, one side of the gear extends into the notch and is meshed with the rack, a push-pull rod is coaxially connected with the upper end of the rack, a sliding frame is connected with the upper end of the push-pull rod, a rear clamping plate and a front clamping plate are hinged on the upper portion of the fixing plate, a rear guide rail is arranged on the front side of the lower end of the rear clamping plate, a front guide rail is arranged on the rear side of the lower end, the front side of the sliding frame is provided with two front sliding blocks which slide along the front guide rail, the middle part of the front surface of the rear guide rail is provided with a guide strip along the length direction, and the middle part of the rear side of the rear sliding block is provided with a guide groove which is in sliding fit with the guide strip; the upper end of the rear clamping plate is hinged with a semicircular rear clamping ring, the upper end of the front clamping plate is hinged with a semicircular front clamping ring, openings of the front clamping ring and the rear clamping ring are oppositely arranged in front and at back, the flexible hose is clamped between the rear clamping ring and the front clamping ring, the rear clamping plate and the front clamping plate are connected through an extension spring, and the extension spring is positioned on the lower side of a hinged point of the rear clamping plate and the fixed plate;

the rotary sealing structure comprises an upper limiting ring arranged on the outer side of the upper end of the inner sleeve and a lower limiting ring arranged on the lower end face of the straight pipe joint, the lower limiting ring is detachably connected with the straight pipe joint through a fastening screw, a polyurethane sealing sleeve is arranged between the upper limiting ring and the lower limiting ring, and the sealing sleeve is respectively in sliding sealing fit with the outer wall of the inner sleeve and the inner wall of the straight pipe joint;

at least two reinforcing ribs are arranged on the inner wall of the inner sleeve along the axial direction.

The upper supporting electromagnet group and the lower supporting electromagnet group have opposite polarities, and the suspension box is suspended on the base through the repulsion action of the upper supporting electromagnet group and the lower supporting electromagnet group; the inner limiting electromagnet group and the outer limiting electromagnet group are arranged concentrically and have opposite polarities, and the repulsion force of the inner limiting electromagnet group and the outer limiting electromagnet group can prevent the suspension box from deviating in the radial direction.

The self-balancing electric unicycle to be tested is placed on the rubber plate on the upper surface of the suspension box, pressure is applied, two balancing frames are arranged around the suspension box for preventing the suspension box from inclining, an upper balancing electromagnet is arranged on each balancing frame, a lower balancing electromagnet group on the upper surface of the interior of the suspension box generates a repulsive force when the upper balancing electromagnet and the lower balancing electromagnet group are opposite in polarity, and therefore the suspension box can be in a balanced state by adjusting the two balancing frames.

An annular weight box is arranged in the center of the interior of the suspension box, mercury with different weights can be added into the weight box through the filling port, and the weight of the suspension box is adjusted.

The operating principle of the self-balancing electric unicycle is as follows: after the user places the feet on the folding pedals at the two sides of the wheelbarrow respectively, the body is slightly inclined forwards to move forwards, the body is decelerated when the body is inclined backwards, and the body is inclined leftwards and rightwards to turn. The more the body is tilted forward, the faster the speed, and a series of gyroscopic means in the vehicle ensure that it is well balanced; it is the practice to adjust the speed by sensing the angle of the pedal and the ground. The internal thread rod and the external thread rod can adjust the pressing force between the balance car and the rubber plate, and keep the driving wheel not to slide. The left pedal and the right pedal are positioned at different angles by adjusting the speed adjusting bolts on the left pedal and the right pedal, so that different speeds of the driving wheel are obtained.

In order to simulate the momentum equivalent to the momentum of a self-balancing electric single-wheel bicycle carried by people, the invention simulates the load by the weight of the suspension box, and the weight of the suspension box in the motion process is equivalent to the momentum of the self-balancing electric single-wheel bicycle carried by people with the same weight. Therefore, the electric energy consumed under the same condition is the same, and the running mileage of the self-balancing electric unicycle can be calculated by testing the number of revolutions of the driving wheel of the self-balancing electric unicycle in the movement process of the suspension box with a certain weight.

The invention adjusts the temperature in the closed box body, can test the traveling distance of the battery under different temperatures, and the temperature adjusting process is as follows: the turbo fan is started, dust or dust carried in cold air is pre-filtered by the filter screen, after air in the box body is refrigerated, the turbo fan blows air into the box body, air flow is refrigerated through the evaporator, and the cold air enters the closed box body after passing through the air guide cover, the flexible hose, the elbow joint, the inner sleeve, the inner arc-shaped hole and the outer arc-shaped hole, so that different test temperatures are adjusted for the magnetic suspension type mileage test mechanism in the closed box body.

The air quantity adjusting motor drives the air door to rotate through the rotating shaft, and the ventilation sectional area of the box body can be adjusted through the rotation of the air door, so that the air quantity of cold air is adjusted, and the purpose of adjusting the cooling effect is achieved.

The refrigeration principle of the refrigeration air supply mechanism is as follows: the refrigerating compressor compresses refrigerant from low-temperature low-pressure gas into high-temperature high-pressure gas, the high-temperature high-pressure gas is condensed into normal-temperature high-pressure liquid through the condenser, and the normal-temperature high-pressure liquid is throttled by the throttle valve to become low-temperature low-pressure liquid. The low-temperature low-pressure liquid refrigerant is sent into the evaporator, absorbs heat in the evaporator and evaporates to become high-temperature low-pressure steam, and the high-temperature low-pressure steam is sent into the refrigeration compressor again, so that the refrigeration cycle is completed.

A temperature sensor is also arranged in the closed box body, and when the temperature in the closed box body is lower or higher, the servo motor and/or the adjusting motor can be started to adjust the air supply quantity; when the servo motor is started, the inner sleeve is driven to rotate, because the length of the inner sleeve is equivalent to the height of the closed box body, the reinforcing ribs arranged on the inner wall of the inner sleeve can enhance the torque of the inner sleeve, and the inner sleeve rotates to adjust the superposed size between the inner arc-shaped hole and the outer arc-shaped hole, so that the air supply volume is adjusted; when the adjusting motor is started, the flexible hose is clamped by the rear clamping ring and the front clamping ring, and the air supply amount is adjusted through the distance between the rear clamping ring and the front clamping ring. The specific adjustment process is as follows: by controlling the adjusting motor, the adjusting motor drives the gear to rotate, the gear drives the rack meshed with the gear to move rightwards or leftwards along the square tube, the push-pull rod coaxial with the rack pushes or pulls the sliding frame to move upwards or downwards, under the action of the extension spring, the rear slide block on the rear clamping plate and the front slide block on the front clamping plate respectively slide along the rear guide rail and the front guide rail all the time, when the push-pull rod pushes upwards, the sliding frame moves upwards, the distance between the rear guide rail and the front guide rail is increased, under the action of the lever principle, the rear clamping ring at the upper end of the rear clamping plate and the front clamping ring at the upper end of the front clamping plate tightly clamp the flexible hose, the sectional area of the flexible hose is reduced, the air supply amount is reduced, and similarly, when the push-pull rod is pulled downwards, the sectional area of the flexible hose is increased, the air supply amount is increased, therefore, the air supply quantity in the closed box body can be adjusted, and the effect of adjusting good heat dissipation in the closed box body is achieved.

The sealing sleeve made of polyurethane material in the rotary sealing structure has good sealing effect, smoothness and good wear resistance; go up spacing ring and spacing ring down and be used for prescribing a limit to the position of seal cover, when needs change the seal cover, can unscrew fastening screw, will descend spacing ring to take off and can take out the seal cover and install new seal cover.

The lower end of the inner sleeve is inserted into the mounting column and is in contact with the coupler, and the inner sleeve is fixedly connected with the mounting column through the mounting screws in the horizontal radial direction, so that the gravity of the inner sleeve is supported, and the transmission torque can be provided for the inner sleeve.

The sliding sleeve plays a role in limiting the inner sleeve from inclining, the sliding sleeve can be replaced after being worn, and the positioning ring is used for limiting the sliding sleeve from moving downwards.

In addition, the base and the movable plate can be driven to rotate upwards by the center of the pin shaft by controlling the supporting and adjusting oil cylinder, so that the travelling characteristic of the self-balancing electric monocycle on an uphill slope or a downhill slope can be tested. The size of the gradient can be achieved through the corresponding matching of the pointer and the angle dial, and the operation is more convenient.

The mileage testing device is reasonable in design, simple in structure, easy to manufacture and simple and convenient to operate, provides a mileage testing device for the self-balancing electric monocycle before leaving the factory, and is strong in adaptability and easy to popularize and apply.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the magnetic levitation type mileage testing mechanism of FIG. 1;

FIG. 3 is a top view of the magnetic levitation type mileage testing mechanism of FIG. 1;

FIG. 4 is an enlarged view at A of FIG. 1;

FIG. 5 is an enlarged view at B in FIG. 1;

FIG. 6 is an enlarged view of the rotary seal arrangement of FIG. 1;

FIG. 7 is a schematic view of the external structure of the cooling blower mechanism in FIG. 1;

FIG. 8 is a schematic view of the internal structure of FIG. 7;

FIG. 9 is an enlarged left side view of the nipper type wind speed adjusting mechanism of FIG. 1;

FIG. 10 is a schematic structural view of the rear rail of FIG. 9;

fig. 11 is a schematic structural view of the rear slider in fig. 9.

Detailed Description

As shown in fig. 1-11, the device for testing mileage and climbing of an electric unicycle of the present invention comprises a sealed box 75, a refrigerating air supply mechanism 76 and a mounting rack 77 are arranged on the top of the sealed box 75, an air volume rotation adjusting mechanism 78, an angle adjusting mechanism and a magnetic suspension type mileage testing mechanism are arranged in the sealed box 75, the refrigerating air supply mechanism is arranged on the upper portion of the sealed box 75, the angle adjusting mechanism is arranged on the bottom of the sealed box 75, and the magnetic suspension type mileage testing mechanism is arranged on the angle adjusting mechanism.

The magnetic suspension type mileage testing mechanism comprises a base 1 arranged in a closed box body 75, an annular gap 2 is arranged on the outer edge of the top of the base 1, an annular suspension box 3 is sleeved at the gap 2 on the base 1, a rubber plate 4 is arranged on the upper surface of the suspension box 3, a lower support electromagnet group 5 is uniformly arranged on the bottom surface of the gap 2 on the base 1 along the circumferential direction, an inner limit electromagnet group 6 is uniformly arranged on the vertical surface of the gap 2 on the base 1 along the circumferential direction, an upper support electromagnet group 7 and an outer limit electromagnet group 8 are respectively arranged on the lower surface and the inner vertical surface in the suspension box 3 along the horizontal circumferential direction, the upper support electromagnet group 5 and the upper support electromagnet group 7 are vertically corresponding and have opposite polarities, the inner limit electromagnet group 6 and the outer limit electromagnet group 8 are horizontally corresponding and have opposite polarities, a weight box 9 positioned above the upper support electromagnet group 7 is arranged in the suspension box 3, the upper part of the outer side of the weight box 9 is provided with a filling opening 10. The base 1 is respectively vertically provided with an internal threaded rod 11 and an external threaded rod 12 at the inner side and the outer side of a suspension box 3, the internal threaded rod 11 and the external threaded rod 12 are respectively provided with a left fixed seat 13 and a right fixed seat 14, the front sides of the left fixed seat 13 and the right fixed seat 14 are respectively in threaded connection with a front speed adjusting bolt 15, the rear sides of the left fixed seat 13 and the right fixed seat 14 are respectively in threaded connection with a rear speed adjusting bolt 16, a left pedal 17 is arranged between the front speed adjusting bolt 15 and the rear speed adjusting bolt 16 at the left side, a right pedal 18 is arranged between the front speed adjusting bolt 15 and the rear speed adjusting bolt 16 at the right side, two sides of an upper housing 24 of a driving wheel 19 of the electric unicycle are respectively arranged at the middle parts of the left pedal 17 and the right pedal 18, the internal threaded rod 11 or the external threaded rod 12 is provided with an encoder 20 for monitoring the rotation of the driving wheel 19, which is perpendicular to the plane of rotation of the driving wheel 19, the bottom edge of the driving wheel 19 being in contact with the surface of the rubber sheet 4.

The air volume rotation adjusting mechanism 78 comprises an outer sleeve 79, an inner sleeve 80 and a servo motor 81, the upper end and the lower end of the outer sleeve 79 are respectively connected with the top and the bottom of the closed box 75, the inner sleeve 80 is coaxially arranged in the outer sleeve 79, the servo motor 81 is positioned in the outer sleeve 79 and fixed at the bottom of the closed box 75, a main shaft of the servo motor 81 is coaxially connected with a mounting column 83 through a coupler 82, the outer diameter of the mounting column 83 is equal to the inner diameter of the inner sleeve 80, the lower end of the inner sleeve 80 is inserted in the mounting column 83 and is in contact with the coupler 82, and the inner sleeve 80 is fixedly connected with the mounting column 83 through; the outer sleeve 79 is uniformly provided with outer arc-shaped holes 84, the inner sleeve 80 is uniformly provided with inner arc-shaped holes 85, and the outer arc-shaped holes 84 and the inner arc-shaped holes 85 are horizontally arranged and are in one-to-one correspondence; a gap is reserved between the inner wall of the outer sleeve 79 and the outer wall of the inner sleeve 80, a positioning ring 86 and a sliding sleeve 87 positioned on the upper side of the positioning ring 86 are arranged on the inner wall of the outer sleeve 79, the outer wall of the sliding sleeve 87 is tightly matched with the inner wall of the outer sleeve 79, and the inner wall of the sliding sleeve 87 is in clearance fit with the outer wall of the inner sleeve 80; at least two reinforcing ribs 88 are arranged on the inner wall of the inner sleeve 80 along the axial direction.

The refrigeration air supply mechanism 76 comprises a shell 53, a box body 60, a refrigeration compressor 61, a condenser 62, a condensation radiator 63, a throttle valve 64, an air quantity adjusting motor 65 and a turbine fan 66 are arranged in the shell 53, the refrigeration compressor 61, the condensation radiator 63, the throttle valve 64, the air quantity adjusting motor 65 and the turbine fan 66 are positioned at the top of the box body 60, an evaporator 67 and an air door 68 for adjusting the size of the ventilation sectional area in the box body 60 are arranged in the box body 60, a rotating shaft 69 rotatably connected to the box body 60 is vertically arranged in the middle of the air door 68, a main shaft of the air quantity adjusting motor 65 is in transmission connection with the rotating shaft 69, the condensation radiator 63 is arranged on the condenser 62, a heat dissipation air inlet window 70 adjacent to the refrigeration compressor 61 and a heat dissipation air outlet window 71 adjacent to the condensation radiator 63 are arranged, an air inlet communicated with an air outlet of the turbine fan 66 is arranged on the box body 60, and an air door 68 is positioned between the air inlet and the evaporator 67; the box body 60 is connected with an air guide cover 73 at one end adjacent to the evaporator 67, the outlet of the air guide cover 73 is connected with a flexible hose 97 extending out of the shell 53, the flexible hose 97 is provided with a pincer type air speed adjusting mechanism 25, the mounting frame 77 is detachably connected with a straight pipe joint 26, the straight pipe joint 26 is vertically arranged, the upper end of the straight pipe joint 26 is connected with the flexible hose 97 through an elbow joint 27, the upper end of the inner sleeve 80 penetrates through the top of the closed box body 75 and extends into the straight pipe joint 26 in the same axial direction, and a rotary sealing structure 28 is arranged between the straight pipe joint 26 and; the top of the closed box body 75 is provided with a sealing ring 29 which is matched with the outer wall of the inner sleeve 80 in a sealing way.

The pincer-type wind speed adjusting mechanism 25 comprises a vertically arranged fixed plate 30, an adjusting motor 31 and a square tube 32 arranged along the vertical direction are arranged on the surface of one side of the fixed plate 30, a gear 33 is connected to the power output end of the adjusting motor 31 in a transmission manner, a box 59 is arranged on the lateral part of the square tube 32 outside the gear 33 and the adjusting motor 31, a rack 34 is connected in the square tube 32 in a sliding manner, a notch 35 communicated with the inside of the square tube 32 is arranged on the lateral part of the square tube 32, one side of the gear 33 extends into the notch 35 and is meshed with the rack 34, a push-pull rod 36 is coaxially connected to the upper end of the rack 34, a sliding frame 37 is connected to the upper end of the push-pull rod 36, a rear clamp plate 38 and a front clamp plate 39 are hinged to the upper part of the fixed plate 30, a rear guide rail 40 is arranged on the front side of the, the rear guide rail 40 and the front guide rail 41 are symmetrical in front and back and have the same structure relative to the vertical plane, two rear sliding blocks 42 sliding along the rear guide rail 40 are arranged on the rear side of the sliding frame 37, two front sliding blocks 43 sliding along the front guide rail 41 are arranged on the front side of the sliding frame 37, a guide strip 44 is arranged in the middle of the front surface of the rear guide rail 40 along the length direction, and a guide groove 45 in sliding fit with the guide strip 44 is arranged in the middle of the rear side of the rear sliding block 42; the upper end of the rear clamping plate 38 is hinged with a semicircular rear clamping ring 46, the upper end of the front clamping plate 39 is hinged with a semicircular front clamping ring 47, the openings of the front clamping ring 47 and the rear clamping ring 46 are oppositely arranged in a front-back mode, the flexible hose 97 is clamped between the rear clamping ring 46 and the front clamping ring 47, the rear clamping plate 38 and the front clamping plate 39 are connected through an extension spring 48, and the extension spring 48 is located on the lower side of the hinged point of the rear clamping plate 38 and the fixed plate 30.

The rotary sealing structure 28 comprises an upper limiting ring 50 arranged on the outer side of the upper end of the inner sleeve 80 and a lower limiting ring 49 arranged on the lower end face of the straight pipe joint 26, the lower limiting ring 49 is detachably connected with the straight pipe joint 26 through a fastening screw 51, a sealing sleeve 52 made of polyurethane is arranged between the upper limiting ring 50 and the lower limiting ring 49, and the sealing sleeve 52 is respectively in sliding sealing fit with the outer wall of the inner sleeve 80 and the inner wall of the straight pipe joint 26.

The angle adjusting mechanism comprises a left support 89, a right support 90 and a supporting and adjusting oil cylinder 91, a fixed frame 92 is arranged on the left support 89, a movable plate 93 is arranged at the bottom of the left side of the base 1, the lower part of the movable plate 93 is hinged on the fixed frame 92 through a pin shaft 94, an angle dial 95 which is concentric with the pin shaft 94 is arranged on the front side of the fixed frame 92, and a pointer 96 pointing to the center of the angle dial 95 is connected to the lower surface of the base 1; when the base 1 is in a horizontal state, the right end of the base 1 is supported on the right support 90, the pointer 96 is in a vertical direction, and the lower end of the pointer 96 points to the 0 scale of the angle dial 95; the supporting and adjusting oil cylinder 91 is adjacent to the right support 90 and is positioned on the left side of the right support 90, the lower end of the supporting and adjusting oil cylinder 91 is arranged at the bottom of the closed box body 75 through a lower hinged seat, and the upper end of the supporting and adjusting oil cylinder 91 is hinged with the right side of the base 1 through an upper hinged seat.

Two balance mechanisms are arranged on the outer side of the base 1; taking the center of the suspension box 3 as a vertex, the included angle between the two balance mechanisms and the vertex and the included angle between each balance mechanism and the lowest end of the driving wheel 19 are equal, and the included angle is 120 degrees;

the balance mechanism comprises a balance frame 21 arranged on the outer side of the base 1 and a lower balance electromagnet group 22 arranged on the upper surface inside the suspension box 3, wherein the lower balance electromagnet group 22 is uniformly arranged in a circle along the horizontal circumferential direction of the suspension box 3, an upper balance electromagnet 23 positioned above the rubber plate 4 is arranged at the top of the balance frame 21, and the upper balance electromagnet 23 and the lower balance electromagnet group 22 correspond to each other from top to bottom and have opposite polarities.

The polarity of the upper supporting electromagnet group 7 and the polarity of the lower supporting electromagnet group 5 are opposite, and the suspension box 3 is suspended on the base 1 through the repulsion action of the upper supporting electromagnet group 7 and the lower supporting electromagnet group 5; the inner limiting electromagnet group 6 and the outer limiting electromagnet group 8 are arranged concentrically and have opposite polarities, and the repulsion force of the inner limiting electromagnet group 6 and the outer limiting electromagnet group 8 can prevent the suspension box 3 from deviating in the radial direction.

The self-balancing electric unicycle to be tested is placed on the rubber plate 4 on the upper surface of the suspension box 3, pressure is applied, in order to prevent the suspension box 3 from inclining, two balancing frames 21 are arranged around the suspension box 3, an upper balancing electromagnet 23 is arranged on each balancing frame 21, a lower balancing electromagnet group 22 on the upper surface inside the suspension box 3 is arranged, the polarities of the upper balancing electromagnet 23 and the lower balancing electromagnet group 22 are opposite to each other to generate an opposite force, and therefore the suspension box 3 can be in a balanced state by adjusting the two balancing frames 21.

An annular weight box 9 is arranged in the center of the interior of the suspension box 3, mercury with different weights can be added into the weight box 9 through a filling port 10, and thus the weight of the suspension box 3 is adjusted.

The operating principle of the self-balancing electric unicycle is as follows: after the user places the feet on the folding pedals at the two sides of the wheelbarrow respectively, the body is slightly inclined forwards to move forwards, the body is decelerated when the body is inclined backwards, and the body is inclined leftwards and rightwards to turn. The more the body is tilted forward, the faster the speed, and a series of gyroscopic means in the vehicle ensure that it is well balanced; it is the practice to adjust the speed by sensing the angle of the pedal and the ground. The female screw rod 11 and the male screw rod 12 of the present invention can adjust the pressing force between the balance car and the rubber plate 4 to keep the driving wheel 19 from slipping. By adjusting the speed adjusting bolts on the left pedal 17 and the right pedal 18, the left pedal 17 and the right pedal 18 are at different angles, and thus different speeds of the driving wheel 19 are obtained.

The invention adjusts the temperature in the closed box 75, and can test the traveling distance of the battery under different temperatures, and the temperature adjusting process is as follows: the turbo fan 66 is started, dust or dust carried in cold air is pre-filtered by the filter screen 79, after air in the box body 60 is refrigerated, the turbo fan 66 blows air into the box body 60, air flow is refrigerated through the evaporator 67, and cold air enters the closed box body 75 after passing through the air guide cover 73, the flexible hose 97, the elbow joint 27, the inner sleeve 80, the inner arc-shaped hole 85 and the outer arc-shaped hole 84, so that different test temperatures are adjusted for the magnetic mileage suspension type test mechanism in the closed box body 75.

The air volume adjusting motor 65 drives the air door 68 to rotate through the rotating shaft 69, and the ventilation sectional area of the box body 60 can be adjusted through the rotation of the air door 68, so that the air volume of cold air is adjusted, and the purpose of adjusting the cooling effect is achieved.

The cooling principle of the cooling air supply mechanism 76 is as follows: the refrigerant is compressed from low-temperature low-pressure gas to high-temperature high-pressure gas by the refrigeration compressor 61, condensed into normal-temperature high-pressure liquid by the condenser 62, and throttled by the throttle valve 64 to become low-temperature low-pressure liquid. The low-temperature low-pressure liquid refrigerant is sent to the evaporator 67, absorbs heat in the evaporator 67, evaporates into high-temperature low-pressure vapor, and is sent again to the refrigeration compressor 61, thereby completing the refrigeration cycle.

A temperature sensor is also arranged in the closed box body 75, and when the temperature in the closed box body 75 is low or high, the servo motor 81 and/or the adjusting motor 31 can be started to adjust the air supply quantity; when the servo motor 81 is started, the inner sleeve 80 is driven to rotate, because the length of the inner sleeve 80 is equivalent to the height of the closed box body 75, the reinforcing ribs 88 arranged on the inner wall of the inner sleeve 80 can enhance the torque of the inner sleeve 80, and the inner sleeve 80 rotates to adjust the superposed size between the inner arc-shaped hole 85 and the outer arc-shaped hole 84, so that the air supply volume is adjusted; when the adjusting motor 31 is started, the flexible hose 97 is clamped by the rear clamp ring 46 and the front clamp ring 47, and the air supply amount is adjusted by the distance between the rear clamp ring 46 and the front clamp ring 47. The specific adjustment process is as follows: by operating the adjusting motor 31, the adjusting motor 31 drives the gear 33 to rotate, the gear 33 drives the rack 34 engaged with the gear to move rightwards or leftwards along the square pipe 32, the push-pull rod 36 coaxial with the rack 34 pushes or pulls the sliding frame 37 to move upwards or downwards, under the action of the extension spring 48, the rear slide block 42 on the rear clamping plate 38 and the front slide block 43 on the front clamping plate 39 always slide along the rear guide rail 40 and the front guide rail 41 respectively, when the push-pull rod 36 pushes upwards, the sliding frame 37 moves upwards, the distance between the rear guide rail 40 and the front guide rail 41 is increased, under the action of a lever principle, the rear clamping ring 46 at the upper end of the rear clamping plate 38 and the front clamping ring 47 at the upper end of the front clamping plate 39 clamp the flexible hose 97 tightly, the sectional area of the flexible hose 97 is reduced, the air supply amount is reduced, and similarly, when the push-pull rod 36 pulls downwards, the sectional area of the flexible hose 97 is increased, thereby achieving the effect of adjusting the good heat dissipation in the airtight box 75.

The sealing sleeve 52 made of polyurethane in the rotary sealing structure 28 has good sealing effect, smoothness and good wear resistance; the upper limiting ring 50 and the lower limiting ring 49 are used for limiting the position of the sealing sleeve 52, when the sealing sleeve 52 needs to be replaced, the fastening screw 51 can be unscrewed, and the lower limiting ring 49 is removed, so that the sealing sleeve 52 can be taken out and a new sealing sleeve 52 can be installed.

The lower end of the inner sleeve 80 is inserted into the mounting post 83 and contacts the coupler 82, and the inner sleeve 80 is fixedly connected with the mounting post 83 through the mounting screw 74 along the horizontal radial direction, so that not only the gravity of the inner sleeve 80 is supported, but also the transmission torque can be provided for the inner sleeve 80.

The sliding sleeve 87 serves to limit the inclination of the inner sleeve 80 and can be replaced when worn, and the positioning ring 86 serves to limit the downward movement of the sliding sleeve 87.

In addition, by controlling the supporting and adjusting oil cylinder 91, the base and the movable plate 93 can be driven to rotate upwards by the center of the pin shaft 94, so that the travelling characteristic of the self-balancing electric monocycle on an uphill slope or a downhill slope can be tested. The size of the slope can be achieved by corresponding cooperation of the pointer 96 and the angle dial 95, and the operation is more convenient.

The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims (1)

1. Electronic single wheel bicycle mileage and climbing testing arrangement, its characterized in that: the device comprises a closed box body, wherein an angle adjusting mechanism and a magnetic suspension type mileage testing mechanism are arranged in the closed box body, the angle adjusting mechanism is arranged at the bottom of the closed box body, and the magnetic suspension type mileage testing mechanism is arranged on the angle adjusting mechanism;

the magnetic suspension type mileage testing mechanism comprises a base arranged in a closed box body, wherein an annular gap is formed in the outer edge of the top of the base, an annular suspension box is sleeved on the base at the gap, a rubber plate is arranged on the upper surface of the suspension box, lower supporting electromagnet groups are uniformly arranged on the bottom surface of the gap on the base along the circumferential direction, inner limiting electromagnet groups are uniformly arranged on the vertical surface of the gap on the base along the circumferential direction, an upper supporting electromagnet group and an outer limiting electromagnet group are respectively arranged on the lower surface and the inner vertical surface inside the suspension box along the horizontal circumferential direction, the lower supporting electromagnet groups and the upper supporting electromagnet groups are vertically corresponding and opposite in polarity, the inner limiting electromagnet groups and the outer limiting electromagnet groups are horizontally corresponding and opposite in polarity, a weight box positioned above the upper supporting electromagnet groups is arranged in the suspension box, and a liquid filling port; the inner side and the outer side of the suspension box of the base are respectively and vertically provided with an inner threaded rod and an outer threaded rod, the inner threaded rod and the outer threaded rod are respectively provided with a left fixed seat and a right fixed seat, the front sides of the left fixed seat and the right fixed seat are respectively in threaded connection with a front speed adjusting bolt, the rear sides of the left fixed seat and the right fixed seat are respectively in threaded connection with a rear speed adjusting bolt, a left pedal is arranged between the front speed adjusting bolt and the rear speed adjusting bolt on the left side, a right pedal is arranged between the front speed adjusting bolt and the rear speed adjusting bolt on the right side, two sides of the upper housing of the driving wheel of the electric unicycle are respectively arranged in the middle parts of the left pedal and the right pedal, the inner threaded rod or the outer threaded rod is provided with an encoder for monitoring the rotating number, the vertical surface is vertical to the rotating surface of the driving wheel, and the edge of the bottom of the driving wheel is in contact with the surface of the rubber plate;

the angle adjusting mechanism comprises a left support, a right support and a supporting and adjusting oil cylinder, a fixed frame is arranged on the left support, a movable plate is arranged at the bottom of the left side of the base, the lower part of the movable plate is hinged to the fixed frame through a pin shaft, an angle dial which is concentric with the pin shaft is arranged on the front side of the fixed frame, and a pointer pointing to the center of the angle dial is connected to the lower surface of the base; when the base is in a horizontal state, the right end of the base is supported on the right support, the pointer is in a vertical direction, and the lower end of the pointer points to the 0 scale of the angle dial; the supporting and adjusting oil cylinder is adjacent to the right support and is positioned on the left side of the right support, the lower end of the supporting and adjusting oil cylinder is arranged at the bottom of the closed box body through a lower hinge seat, and the upper end of the supporting and adjusting oil cylinder is hinged with the right side of the base through an upper hinge seat;

two balancing mechanisms are arranged on the outer side of the base; taking the center of the suspension box as a vertex, wherein the included angle between the two balance mechanisms and the vertex and the included angle between each balance mechanism and the lowest end of the driving wheel are equal, and the included angle is 120 degrees;

the balance mechanism comprises a balance frame arranged outside the base and a lower balance electromagnet group arranged on the upper surface inside the suspension box, wherein a circle is uniformly arranged on the lower balance electromagnet group along the horizontal circumferential direction of the suspension box, an upper balance electromagnet positioned above the rubber plate is arranged at the top of the balance frame, and the upper balance electromagnet and the lower balance electromagnet group are vertically corresponding and opposite in polarity.

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