CN109398583A - A kind of driving mechanism on balance car - Google Patents
A kind of driving mechanism on balance car Download PDFInfo
- Publication number
- CN109398583A CN109398583A CN201811546187.XA CN201811546187A CN109398583A CN 109398583 A CN109398583 A CN 109398583A CN 201811546187 A CN201811546187 A CN 201811546187A CN 109398583 A CN109398583 A CN 109398583A
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- Prior art keywords
- wheel
- accelerator card
- transmission gear
- vehicle frame
- driving
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 210000000481 breast Anatomy 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000003139 buffering effect Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 244000001591 balata Species 0.000 description 1
- 235000016302 balata Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B62K11/007—Automatic balancing machines with single main ground engaging wheel or coaxial wheels supporting a rider
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M17/00—Transmissions characterised by use of rotary shaft, e.g. cardan shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K2204/00—Adaptations for driving cycles by electric motor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
The present invention provides the driving mechanisms on a kind of balance car, belong to technical field of transportation means.Balance car includes left wheel, right wheel, vehicle frame and bottom guard plate, left wheel and right wheel is fixedly linked with a jackshaft respectively, every jackshaft is corresponding with one piece of accelerator card being arranged on vehicle frame, this driving mechanism includes a battery, the fixed transmission gear being located on jackshaft, servo motor on accelerator card is set, the drive shaft being rotatably connected on accelerator card, the first breast wheel and fixed driving wheel on the driving shaft being rotatably connected on vehicle frame, the output shaft of servo motor is fixedly linked with drive shaft, first breast wheel includes the first friction pulley that the first transmission gear ring engaged with transmission gear and two are located at the first transmission gear ring two sides；Accelerator card around installation axle swing when, driving wheel is inserted between two the first friction pulleys, and with the first friction pulley against.The present invention has many advantages, such as can be energy saving, extends continuation of the journey.
Description
Technical field
The invention belongs to technical field of transportation means, a kind of be related on balance car driving mechanism.
Background technique
Existing balance car, using the gyroscope and acceleration transducer of vehicle body, to detect the variation of vehicle body attitude,
And servo-control system is utilized, accurately driving motor is adjusted correspondingly, to keep the balance of system.It is that modern is used to
As walking-replacing tool, a kind of novel environmentally protective product of amusement and recreation.
With the reinforcement of people's environmental consciousness, the quantity of electric vehicle is growing day by day.At the same time, scientist passes through with great concentration
Research, develops trendy two-wheel electric balance car finally.Two-wheel electric balance car is a kind of novel vehicles, it with it is electronic
Mode is different in tandem for Bicycles and Motorcycles wheel, but in such a way that two-wheeled is fixed side by side.Two-wheel electric balance car
Using two wheel supports, storage battery power supply, brushless motor driving, in addition single-chip microcontroller controls, attitude transducer acquires angular speed
And angle signal, the balance of common coordinated control car body, rely solely on gravity center of human body change can realize the starting of vehicle,
The movements such as acceleration, deceleration, stopping.
But structure is complicated for existing balance car, and Gyroscopic stabilization is poor, and the passage capacities such as paddle are poor, and it is at high cost,
In general, the market price of a balance car is differed at 600~20000 yuan, limited by its volume, allows to store battery
Volume it is smaller, continue a journey section.
Furthermore the operating status of existing balance car is entirely to realize and control by gravity center of human body's variation, and hand is difficult in grasp
It spends larger, is unsuitable for adolescents with learning and use, safety is also poor.
Summary of the invention
In view of the above problems existing in the prior art, the purpose of the present invention is to provide the driving machines on a kind of balance car
Structure, the technical problem to be solved by the present invention is to how avoid output waste, extend continuation of the journey.
Object of the invention can be realized by the following technical scheme: the driving mechanism on a kind of balance car, feature exist
In balance car includes left wheel, right wheel, vehicle frame and bottom guard plate, and the left wheel and right wheel is driven half with one respectively
Axis is fixedly linked, and every jackshaft is corresponding with one piece of accelerator card being arranged on vehicle frame, the jackshaft rotation connection
On vehicle frame, the bottom guard plate is fixed on vehicle frame, and an installation axle is fixedly installed on the vehicle frame, and the accelerator card is hinged
On the mounting shaft, this driving mechanism includes a battery, the fixed transmission gear being located on jackshaft, is arranged on accelerator card
Servo motor, the drive shaft being rotatably connected on accelerator card, the first breast wheel for being rotatably connected on vehicle frame and be fixed on drive
Driving wheel on moving axis, output shaft and the drive shaft of the servo motor are fixedly linked, and first breast wheel includes and transmission
The the first transmission gear ring and two the first friction pulleys for being located at the first transmission gear ring two sides of gear engagement；The accelerator card around
Installation axle swing when, driving wheel is inserted between two the first friction pulleys, and with the first friction pulley against.
Battery connection two servo motors in parallel, two servo motors control corresponding jackshaft respectively, drive
The conveying taken turns and realize torque between the first breast wheel by the contact between driving wheel and the first friction pulley, and the first breast wheel
It is then engaged by teeth between transmission gear, makes stable drive between the first breast wheel and transmission gear, torque output can
It leans on, and the clutch between driving wheel and the first breast wheel is not present and beats the bad phenomenons such as tooth, resistance be larger, moreover, first rubs
Wipe there are two wheels, and be located at the two sides of the first transmission gear ring, this structure have the heat dissipation of the first friction pulley it is good, first
Contact area between friction pulley and driving wheel is big, the advantages such as good positioning effect between the first friction pulley and driving wheel.
In the driving mechanism on a kind of above-mentioned balance car, being provided between the accelerator card and bottom guard plate can be connect
The trigger switch of logical battery and corresponding servo motor.
When accelerator card pushes, trigger switch can be started, connect servo motor and battery, driving wheel rotation, with this
Meanwhile driving wheel contacts the first breast wheel, by power transmission to jackshaft, and when accelerator card is not pressed down, driving wheel is not
Rotation, to achieve the purpose that avoid power waste.
In the driving mechanism on a kind of above-mentioned balance car, connect between the outer end bottom of the accelerator card and bottom guard plate
It is connected to several first back-moving springs under tensional state.
First spring is evenly arranged between accelerator card and bottom guard plate, plays the role of accelerating sheet reset, and can be improved flat
The buffering of weighing apparatus vehicle and anti-performance of jolting.
In the driving mechanism on a kind of above-mentioned balance car, the radius of transmission gear, first rub in the driving mechanism
The radius, the diameter of the first transmission gear ring and the radius of driving wheel for wiping wheel are sequentially reduced.
This balance car is omitted the deceleration mechanism of conventional balanced vehicle, but use the radius of transmission gear in driving mechanism,
The mode that the radius of the radius of first friction pulley, the diameter of the first transmission gear ring and driving wheel is sequentially reduced, makes driving wheel and passes
There is biggish rotational speed difference between moving gear.
Detailed description of the invention
Fig. 1 is the schematic perspective view of this balance car.
Fig. 2 is sectional view of this balance car along half axis direction of perpendicular drive.
Fig. 3 is sectional view of this balance car under plane where the first transmission gear ring and the second transmission gear ring.
Fig. 4 is the arrangement mode plan view of accelerator card and brake plate.
Fig. 5 is the sectional view of braked wheel.
Fig. 6 is the sectional view of the first traction wheel and the second traction wheel.
In figure, 11, left wheel；12, right wheel；13, vehicle frame；14, bottom guard plate；15, jackshaft；21, accelerator card；
22, brake plate；23, installation axle；31, transmission gear；32, drive shaft；33, the first breast wheel；331, the first transmission gear ring；332,
First friction pulley；34, driving wheel；35, trigger switch；36, first back-moving spring；41, braked wheel；411, the first traction wheel；
412, the second traction wheel；413, leash；414, trough of belt；415, positioning protrusion；42, the second breast wheel；421, the second driving cog
Circle；422, the second friction pulley；43, second back-moving spring.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, Figure 2 and Figure 4, balance car includes left wheel 11, right wheel 12, vehicle frame 13 and bottom guard plate 14, a left side
Wheel 11 and right wheel 12 are fixedly linked with a jackshaft 15 respectively, and every jackshaft 15, which is corresponding with, to be arranged in vehicle frame
One piece of accelerator card 21 and one piece of brake plate 22, jackshaft 15 on 13 are rotatably connected on vehicle frame 13, and bottom guard plate 14 is fixed
On vehicle frame 13, an installation axle 23 is fixedly installed on vehicle frame 13, two pieces of accelerator cards 21 and two pieces of brake plates 22 are hinged on peace
It fills on axis 23, two pieces of accelerator cards 21 are located at the side of installation axle 23, and two pieces of brake plates 22 are located at the other side of installation axle 23, accelerate
Be provided between plate 21 and corresponding jackshaft 15 driving jackshaft 15 rotate driving mechanism, brake plate 22 and with
Corresponding jackshaft 15 between the arrestment mechanism of restricted jack shaft rotation is set.Two pieces of accelerator cards 21 and two pieces of brakings
Plate 22 forms a matts structure, and operator can be controlled separately the revolving speed of left wheel 11 and right wheel 12, to realize traveling
Speed and turning.Compared to existing balance car, this balance bassinet structure is simple, and flexible movements are easy to operate, extremely by foot force application
The accelerator card 21 or brake plate 22 in corresponding orientation.
As shown in Figures 2 and 3, driving mechanism include a battery, the fixed transmission gear 31 being located on jackshaft 15,
The servo motor that is arranged on accelerator card 21, is rotatably connected on vehicle frame 13 drive shaft 32 being rotatably connected on accelerator card 21
First breast wheel 33 and the driving wheel 34 that is fixed in drive shaft 32, the output shaft and 32 stationary phase of drive shaft of servo motor
Even, the first breast wheel 33 includes that the first transmission gear ring 331 engaged with transmission gear 31 and two are located at the first driving cog
Enclose the first friction pulley 332 of 331 two sides；When accelerator card 21 is swung around installation axle 23, driving wheel 34 is inserted into two first and rubs
Wipe wheel 332 between, and with the first friction pulley 332 against.
Battery connection two servo motors in parallel, two servo motors control corresponding jackshaft 15 respectively, drive
The conveying of torque is realized between driving wheel 34 and the first breast wheel 33 by the contact between driving wheel 34 and the first friction pulley 332,
And then engaged by teeth between the first breast wheel 33 and transmission gear 31, make between the first breast wheel 33 and transmission gear 31
Stable drive, torque output are reliable, and that dozen tooth, resistance is not present is larger for the clutch between driving wheel 34 and the first breast wheel 33
Etc. bad phenomenons, moreover, there are two the first friction pulleys 332, and be located at the two sides of the first transmission gear ring 331, this structure
The contact area to radiate between good, the first friction pulley 332 and driving wheel 34 with the first friction pulley 332 is big, first rubs
The advantages such as good positioning effect between wheel 332 and driving wheel 34.
Battery can be connected by being provided between accelerator card 21 and bottom guard plate 14 opens with the triggering of corresponding servo motor
Close 35.When accelerator card 21 pushes, trigger switch 35 can be started, connect servo motor and battery, driving wheel 34 rotates, with
This simultaneously, driving wheel 34 contact the first breast wheel 33, by power transmission to jackshaft 15, and be not pressed down in accelerator card 21
When, driving wheel 34 does not rotate, to achieve the purpose that avoid power waste.
Several first under tensional state are connected between the outer end bottom and bottom guard plate 14 of accelerator card 21 to reset
Spring 36.First spring is evenly arranged between accelerator card 21 and bottom guard plate 14, plays the role of the reset of accelerator card 21, and can mention
The buffering of high balance car and anti-performance of jolting.
The diameter of the radius of transmission gear 31, the radius of the first friction pulley 332, the first transmission gear ring 331 in driving mechanism
It is sequentially reduced with the radius of driving wheel 34.The deceleration mechanism of conventional balanced vehicle is omitted in this balance car, but uses driving mechanism
The radius of middle transmission gear 31, the radius of the first friction pulley 332, first are driven the diameter of gear ring 331 and the radius of driving wheel 34
The mode being sequentially reduced makes have biggish rotational speed difference between driving wheel 34 and transmission gear 31.
As shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 6, arrestment mechanism includes the braked wheel 41 being rotatably connected on brake plate 22 and turns
Dynamic the second breast wheel 42 being connected on vehicle frame 13, the second breast wheel 42 include the second transmission gear ring engaged with transmission gear 31
421 and two the second friction pulleys 422 for being located at 421 two sides of the second transmission gear ring；When brake plate 22 is swung around installation axle 23,
Braked wheel 41 can with the second friction pulley 422 against；41 outer ring rotating of braked wheel is connected with several first traction wheels 411 and several
A and 412 alternate points of one-to-one second traction wheel 412 of the first traction wheel 411, the first traction wheel 411 and the second traction wheel
Cloth end to end, soft, flexible is led between each first traction wheel 411 and the second traction wheel 412 by several
Leader tape 413 is connected, the winding of leash 413 are as follows: leash 413 is wound around each first traction wheel 411 close to 41 axis of braked wheel
Side, leash 413 is wound around each side of second traction wheel 412 far from 41 axis of braked wheel；First traction wheel 411 and
The trough of belt 414 for accommodating leash 413 is provided on two traction wheels 412.
When braking, braked wheel 41 is resisted against on the second friction pulley 422 on the second breast wheel 42, deposits the second breast wheel 42
In rotary resistance, to limit the rotation of transmission gear 31, specifically: false when braked wheel 41 is close to the second breast wheel 42
If the first traction wheel 411 on its circumferential surface is contacted with the second friction pulley 422 at first, by reverse drive power, the first traction wheel 411
Rotation, leash 413 are driven, and second traction wheel 412 adjacent with the first traction wheel 411 reversely rotates, and active force makes to make simultaneously
Driving wheel 41 rotates, and is resisted against the second traction wheel 412 on second friction pulley 422, due to the steering and first of the second traction wheel 412
Traction wheel 411 turns on the contrary, the rotation for enabling the second traction wheel 412 to limit the second breast wheel 42, is pushing brake plate 22
When, above-mentioned movement persistently carries out, and it is continuous to limit the second breast wheel 42, it realizes and slows down, until the second breast wheel 42 stops.
The advantages of this mode of braking is: brake force intermittence acts on the second breast wheel 42, for balance car
Speech, since its self weight is lighter, and it is manned after center of gravity be located at balance car top, bring to a halt can seriously affect balance car entirety put down
Weighing apparatus, causes to tumble, or even operator is thrown away；Since leash 413 has elasticity, be obstructed in 42 intermittence of the second breast wheel and
During resistance is lost, the elastic stretching of leash 413 can reduce this pause and transition in rhythm or melody of the second breast wheel 42 and mill in the process
Damage, but also brake drag can be decomposed in many ways, make its in addition to have the second breast wheel 42 and braked wheel 41 it
Between except friction, also with leash 413 stretching, it may have the rolling of the first traction wheel 411 and the second traction wheel 412
Dynamic friction.
Leash 413 is the spring under tensional state, and the bottom of trough of belt 414 is provided with several positioning protrusion 415,
Positioning protrusion 415 can be plugged in spring between adjacent coils.Leash 413 can also be flexible drawstring,
Positioning protrusion 415 is arranged as leash 413, and in the bottom of trough of belt 414 in balata belt etc., spring, and positioning protrusion 415 is inserted
It is located between spring adjacent coils, spring is separated into multistage, and resistance when spring being made to be stretched and buffering are more
It is sensitive, and when spring is stretched, can also distort, and keep buffering effect more preferable.
Several second under tensional state are connected between the outer end bottom and bottom guard plate 14 of brake plate 22 to reset
Spring 43.Second back-moving spring is evenly arranged between brake plate 22 and bottom guard plate 14, plays the role of the reset of brake plate 22, and energy
Enough improve the buffering and anti-performance of jolting of balance car.
It is provided with rotary spacing component between each corresponding accelerator card 21 of jackshaft 15 and brake plate 22, is made same
Driving mechanism and arrestment mechanism on jackshaft 15 can not trigger simultaneously.Rotary spacing component is traditional limit assembly,
On such as lantern ring of accelerator card 21 and limited step is respectively set on the lantern ring of brake plate 22, it will not be described here.Same transmission
Driving mechanism and arrestment mechanism on semiaxis 15 can not trigger simultaneously, avoid braking and transmission from existing simultaneously, to cause to pass
Tooth and stuck is beaten in the abrasion of moving gear 31.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (4)
1. the driving mechanism on a kind of balance car, which is characterized in that balance car includes left wheel (11), right wheel (12), vehicle frame
(13) it is fixedly linked respectively with a jackshaft (15) with bottom guard plate (14), the left wheel (11) and right wheel (12),
Every jackshaft (15) is corresponding with one piece of accelerator card (21) being arranged on vehicle frame (13), jackshaft (15) rotation
It is connected on vehicle frame (13), the bottom guard plate (14) is fixed on vehicle frame (13), is fixedly installed one on the vehicle frame (13)
Installation axle (23), the accelerator card (21) are hinged on installation axle (23), this driving mechanism is located at biography including a battery, fixation
It moves the transmission gear (31) on semiaxis (15), the servo motor being arranged on accelerator card (21), be rotatably connected on accelerator card (21)
On drive shaft (32), the first breast wheel (33) being rotatably connected on vehicle frame (13) and the driving being fixed on drive shaft (32)
It takes turns (34), output shaft and the drive shaft (32) of the servo motor are fixedly linked, and first breast wheel (33) includes and transmission
The first of gear (31) engagement is driven gear ring (331) and two are located at the first of first transmission gear ring (331) two sides and rub
It takes turns (332)；When the accelerator card (21) swings around installation axle (23), driving wheel (34) is inserted into two the first friction pulleys
(332) between, and with the first friction pulley (332) against.
2. the driving mechanism on a kind of balance car according to claim 1, which is characterized in that the accelerator card (21) and bottom
The trigger switch (35) that can connect battery with corresponding servo motor is provided between backplate (14).
3. the driving mechanism on a kind of balance car according to claim 2, which is characterized in that the outer end of the accelerator card (21)
Several first back-moving springs (36) under tensional state are connected between bottom and bottom guard plate (14).
4. the driving mechanism on a kind of according to claim 1 or 2 or 3 balance cars, which is characterized in that in the driving mechanism
The radius of transmission gear (31), the radius of the first friction pulley (332), the first transmission gear ring (331) diameter and driving wheel (34)
Radius be sequentially reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546187.XA CN109398583A (en) | 2018-12-18 | 2018-12-18 | A kind of driving mechanism on balance car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546187.XA CN109398583A (en) | 2018-12-18 | 2018-12-18 | A kind of driving mechanism on balance car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109398583A true CN109398583A (en) | 2019-03-01 |
Family
ID=65459787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811546187.XA Withdrawn CN109398583A (en) | 2018-12-18 | 2018-12-18 | A kind of driving mechanism on balance car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109398583A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112644620A (en) * | 2019-12-30 | 2021-04-13 | 武汉船舶职业技术学院 | Coil switching device on magnetic force balance car |
-
2018
- 2018-12-18 CN CN201811546187.XA patent/CN109398583A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112644620A (en) * | 2019-12-30 | 2021-04-13 | 武汉船舶职业技术学院 | Coil switching device on magnetic force balance car |
| CN112644620B (en) * | 2019-12-30 | 2021-11-02 | 武汉船舶职业技术学院 | Coil switching device on magnetic force balance car |
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Application publication date: 20190301 |