CN102903274A - Dual-mode phonetic teaching system of electrical equipment circuit of electric bicycle - Google Patents

Dual-mode phonetic teaching system of electrical equipment circuit of electric bicycle Download PDF

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Publication number
CN102903274A
CN102903274A CN2012103502072A CN201210350207A CN102903274A CN 102903274 A CN102903274 A CN 102903274A CN 2012103502072 A CN2012103502072 A CN 2012103502072A CN 201210350207 A CN201210350207 A CN 201210350207A CN 102903274 A CN102903274 A CN 102903274A
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Prior art keywords
electric bicycle
control unit
electric vehicle
voice
simulation
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CN2012103502072A
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CN102903274B (en
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姜同干
段华
王俊友
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AIMA TECHNOLOGY CO., LTD.
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TIANJIN AIMA HI-TECH Co Ltd
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Abstract

The invention relates to a dual-mode phonetic teaching system of an electrical equipment circuit of an electric bicycle. The dual-mode phonetic teaching system comprises a case, a simulated handlebar, a display unit, a phonetic unit and a control unit, wherein the simulated handlebar, the display unit and the phonetic unit are arranged outside the case; the control unit is arranged in the case and comprises an electric bicycle motor, an electric bicycle controller, a system control unit and a power supply; the simulated handlebar is provided with a plurality of electric bicycle operating modules which transmit signals to the control unit of the system; both the electric bicycle motor and the electric bicycle controller transmit signals to the control unit of the system; the control unit of the system is connected with the display unit and the phonetic unit, displays through the display unit and carries out voice broadcasting through the phonetic unit; and the power supply provides power for the electric bicycle controller and the control unit of the system. The dual-mode phonetic teaching system of an electrical equipment circuit of an electric bicycle makes up the blank of no device or instrument for teaching in the electric bicycle industry, has a simple structure and is strong in intuition.

Description

Electric bicycle appliance circuit bimodulus voice teaching system
Technical field
The present invention relates to electric bicycle instructional technology field, particularly a kind ofly demonstrate and illustrate the inner electrical equipment of electric bicycle and the principle of work of circuit and the electric bicycle appliance circuit bimodulus voice teaching system of duty with the electric bicycle operator scheme.
Background technology
The talent is the core competitiveness of development, is the roll booster of the normal operation of electric bicycle industry, and the talent has become the requisite element of enterprise development.From large aspect, if industry development has not had the talent of reliable employee and specialty, development is just as empty talk so.In recent years, the industry production capacity of electric bicycle continues to increase, and has seriously hindered the development of electric bicycle manufacturing enterprise in the recruitment problem.
At present, electric bicycle tradesman's training is generally given lessons based on knowwhy and with object operation demonstration, is reached and newly advance personnel to the result of electric bicycle understanding.Because there is not the teaching equipment of relevant speciality, this work must drop into a large amount of man power and materials, relatively loses time and energy, if DeGrain generally can not carry out the secondary training again.
Era of knowledge-driven economy, deep variation all occurs or is occuring in inside and outside environment that the professional technique talent in the industry faces and master, objective factor.For the professional technique talent, only adhere to unceasing study, constantly bring forth new ideas, grow with each passing hour, the paces that just can keep pace with the times and advance, the economic society that is not day by day developed is abandoned.
Also there are some drawbacks in the training organization of electric bicycle manufacturing in the process of training, be mainly manifested in:
One, training contents lacks specific aim
In the training process of implementing the professional, there are not unified basic material and instrument, each unit of training is the certain difficulty of outwardness on the content of courses arranges, and causes easily the situation of " what is met, what is gone to school "; The Technician Training content in different levels, different posies is very nearly the same, does not accomplish to teach students in accordance with their aptitude, " suiting the remedy to the case "; Teaching disconnects with actual, and one does not do what one has learned, phenomenon unable to apply what one has learned also exists to some extent, has directly affected the effect of training and the enthusiasm of student's study.
Two, training modality is too single
Consistent " inculcating formula " teaching, the student is in passive state all the time, the enthusiasm that can not effectively excite the student to learn, the thinking ability, organizational capacity, the innovation ability that are unfavorable for cultivating the student; Lack between teacher and student, student and student necessary exchange, discussion, can not reach the purpose of " teaching benefits teacher and student alike, the common raising "; Carry out targetedly investigation not, can not effectively improve the ability of student's solving practical problems.
Three, training scope has limitation
Most of electric bicycle foundation training is only paid attention to the teaching of one or several aspect, and the student need to learn other course or want to accept higher level training and have to seek in addition its corresponding training organization like this.Increased the puzzlement factor for the student undoubtedly.
Generally speaking, along with the fast development of electric bicycle industry, the talent's demand continues to increase, and more than storage is more outstanding such as this type of problem.But the equipment or the pertinent instruments that there is no this type of function in the industry occur, and are directed at the interior cultivation of students of electric bicycle industry and still adopt former training pattern, and drawback wherein is emergence more.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, intuitive is stronger electric bicycle appliance circuit bimodulus voice teaching system.
The present invention solves its technical matters and is achieved through the following technical solutions:
A kind of electric bicycle appliance circuit bimodulus voice teaching system, it is characterized in that: comprise cabinet, the simulation handlebar, display unit, voice unit and control module, at the outside simulation handlebar of installing of cabinet, display unit and voice unit, at cabinet inside control module is installed, control module comprises electric vehicle motor, controller for electric vehicle, system control unit and power supply, be provided with a plurality of electric motor car operational modules on the simulation handlebar, the equal signal transmission of these a plurality of electric motor car operational modules is to system control unit, the equal signal transmission of electric vehicle motor and controller for electric vehicle is to system control unit, system control unit connects display unit and voice unit and shows and carry out voice broadcast by voice unit that by display unit power supply is controller for electric vehicle and system control unit power supply.
And the electric motor car operational module that arranges on the described simulation handlebar comprises: handle, turning indicator control, constant speed switch, left brake lever switch, right brake lever switch.
And in the described electric motor car operational module: handle, turning indicator control are connected directly to system control unit.
And in the described electric motor car operational module: constant speed switch, left brake lever switch, right brake lever switch all are connected to controller for electric vehicle, and pass through the controller for electric vehicle signal transmission to system control unit.
And, electric motor car operational module on the described simulation handlebar also comprises electric vehicle horn switch and headlight switch, the equal connected system control module of this electric vehicle horn switch and headlight switch also is equipped with simulation electric vehicle horn and the simulation headlight that is connected with system control unit in the cabinet front.
And, also being provided with mode conversion switch on the described simulation handlebar, this mode conversion switch is connected to system control unit.
And described cabinet inside also is equipped with wheel, and this wheel is driven by described electric vehicle motor.
And described display unit is one group of flowing water type display lamp.
And the bottom of each flowing water type display lamp is provided with work display disc and voltage post in the corresponding described one group of flowing water type display lamp in cabinet surface.
And described display unit also comprises one group of Displaying Meter, is used for the voltage and current value of display power supply and electric vehicle motor.
And the cabinet front in described simulation handlebar dead ahead is provided with the automobile-used instrument of electrical salf-walking, and this electric bicycle instrument is connected with controller for electric vehicle.
Advantage of the present invention and beneficial effect are:
1. the present invention can simulate the operator scheme under the electronic cycling state fully, makes the people get information about very much corresponding parts and the performance thereof in each operating position of electric bicycle; Unique demonstration side shows different operating state and the performance parameter thereof that can make open-and-shut each parts of understanding of people; Circuit setting can the make the people fast circuit theory of electric bicycle and the state under the circuit working.
2. the present invention is as learning system, its specific aim is more intense, and compare standard, can play to teaching the effect of useful complementation, be applicable to the new technician of manufacturing enterprise's training or recruit new employee, training department uses this tutoring system in to its technology or skill training, can get fabulous effect, as: save a large amount of training time and the energy of start-up, the Expected Results of enhancement training; In the training preparation stage, save a large amount of instrument preparation and material and prepare, reduced training cost; With respect to by the start-up, can deep understanding training contents very directly perceived, strengthened result of training; In international communication, the people who separates electric bicycle that can be unable to use can have comprehensive and deep understanding to the electric bicycle appliance circuit, enterprise the user in the heart with the status of society.
3. design science of the present invention is reasonable, has remedied the electric bicycle industry without the blank of teaching with equipment or instrument, be a kind of simple in structure, intuitive is strong, electric bicycle appliance circuit bimodulus voice teaching system with higher innovation.
Description of drawings
Fig. 1 is structural representation of the present invention (stereographic map);
Fig. 2 is circuit block diagram of the present invention.
Description of reference numerals:
The automobile-used instrument of 1-electrical salf-walking, 2-simulation electric vehicle horn, 3-simulation headlight, the right brake lever switch of 4-, 5-handle, 6-constant speed switch, the left brake lever switch of 7-, 8-turning indicator control, 9-PC Speaker, 10-flowing water type display lamp, 11-work display disc, 12-Displaying Meter, 13-power switch, 14-mode conversion switch, 15-simulation handlebar, 16-windowpane, 17-cabinet.
Embodiment
The invention will be further described below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A kind of electric bicycle appliance circuit bimodulus voice teaching system, it comprises cabinet 17, simulation handlebar 15, display unit, voice unit and control module, at outside simulation handlebar, display unit and the voice unit installed of cabinet, display unit is one group of flowing water type display lamp 10, and voice unit is PC Speaker 9.
At the windowpane 16 inner control modules of installing of cabinet bottom, control module comprises electric vehicle motor, controller for electric vehicle, system control unit and power supply.Be provided with a plurality of electric motor car operational modules on the simulation handlebar, the equal signal transmission of these a plurality of electric motor car operational modules is to system control unit, the equal signal transmission of electric vehicle motor and controller for electric vehicle is to system control unit, and system control unit connects display unit and voice unit and shows and carry out voice broadcast by voice unit by display unit.Power supply is controller for electric vehicle and system control unit power supply, and is provided with power switch 13 in mechanical front.
The electric motor car operational module that arranges on the simulation handlebar comprises: handle 5, turning indicator control 8, constant speed switch 6, left brake lever switch 7, right brake lever switch 4.In the electric motor car operational module: handle, turning indicator control are connected directly to system control unit.Constant speed switch, left brake lever switch, right brake lever switch all are connected to controller for electric vehicle, and pass through the controller for electric vehicle signal transmission to system control unit.Electric motor car operational module on the simulation handlebar also comprises electric vehicle horn switch and headlight switch, and this electric vehicle horn switch and headlight switch and turning indicator control are integrated switch, and equal connected system control module.Simulation electric vehicle horn 2 and the simulation headlight 3 that is connected with system control unit also is installed in the cabinet front.Also be provided with mode conversion switch 14 on the simulation handlebar, this mode conversion switch is connected to system control unit.
Cabinet inside also is equipped with wheel, and this wheel is driven by described electric vehicle motor.
Display unit is one group of flowing water type display lamp.The bottom of each flowing water type display lamp is provided with work display disc 11 and voltage post in the corresponding described one group of flowing water type display lamp in cabinet surface.The flowing water display lamp comprises: machine operation pilot lamp, brake lever relay indicating light, headlight relay indicating light, steering indicating light relay indicating light, loudspeaker relay indicating light.Display unit also comprises one group of Displaying Meter 12, and this Displaying Meter is connected with system control unit, is used for the voltage and current value of display power supply and electric vehicle motor.The cabinet front in simulation handlebar dead ahead is provided with the automobile-used instrument 1 of electrical salf-walking, and this electric bicycle instrument is connected with controller for electric vehicle.
System control unit adopts central processing unit EPU.
The principle of work of this electric bicycle appliance circuit bimodulus voice teaching system is:
When the electric motor car operational module on the simulation handlebar is operated, system can demonstrate each associated components duty, performance parameter in the whole electric bicycle appliance circuit system intuitively, and have voice assisted explanation function, can understand the circuit docking calculation to the part (parts and circuit) of working.When system's operation and voice assisted explain orally, have full-automatic and manual two kinds of patterns, and two kinds of free functions switch.
Rotate the handle on the simulation handlebar, electric vehicle motor work, electric vehicle motor can drive vehicle wheel rotation, machine operation pilot lamp on the flowing water type display lamp is bright, panel board show motor speed with and voltage and current, along with the position that handle rotates is different, the rotating speed of demonstration, voltage and electric current thereof change thereupon.Circuit pack shows corresponding machine operation circuit, and its situation and explanation circuit docking calculation understood in the PC Speaker voice.
Rotate the handle on the simulation handlebar, electric vehicle motor pinches right brake lever switch or left brake lever switch or pinches simultaneously in the situation of work, and power supply is stopped power supply, and motor stops operating.Machine operation pilot lamp on the flowing water type display lamp extinguishes, and the brake lever relay indicating light on the corresponding flowing water type display lamp is glittering, and panel board shows corresponding circuit working, and its situation and explanation circuit docking calculation understood in voice simultaneously.
Press the headlight switch on the Imitating handlebar, the simulation headlight work (bright) on the cabinet, the headlight relay indicating light flicker on the flowing water type display lamp.Panel board shows corresponding circuit working, and its situation and explanation circuit docking calculation understood in voice simultaneously.
Pull the turning indicator control (left or right) on the simulation handlebar, the steering indicating light bright (left steering lamp or right turn lamp) on the simulation handlebar, the steering indicating light relay indicating light flicker on the flowing water type display lamp.Panel board shows corresponding circuit working, and its situation and explanation circuit docking calculation understood in voice simultaneously.
Press the horn switch on the Imitating handlebar, the work of simulation electric vehicle horn, the loudspeaker relay indicating light flicker in the flowing water type display lamp.Show corresponding circuit working in the circuit and have voice to understand its situation and explanation circuit docking calculation.
Rotate handle, machine operation is pressed the constant speed switch and is unclamped simultaneously constant speed knob and handle after 3 seconds, motor continuous firing, the machine operation pilot lamp flicker in the flowing water type display lamp.Show corresponding circuit working in the circuit and have voice to understand its situation and explanation circuit docking calculation.
Start the manual knob on the simulation handlebar, system realizes demonstration and explains orally function according to operator's aforesaid operations.Start full-automatic button, system can automatic demonstrating and the repertoire that explains orally the simulation handlebar.
Although disclose for the purpose of illustration embodiments of the invention and accompanying drawing, but it will be appreciated by those skilled in the art that: in the spirit and scope that do not break away from the present invention and claims, various replacements, variation and modification all are possible, therefore, scope of the present invention is not limited to embodiment and the disclosed content of accompanying drawing.

Claims (11)

1. electric bicycle appliance circuit bimodulus voice teaching system, it is characterized in that: comprise cabinet, the simulation handlebar, display unit, voice unit and control module, at the outside simulation handlebar of installing of cabinet, display unit and voice unit, at cabinet inside control module is installed, control module comprises electric vehicle motor, controller for electric vehicle, system control unit and power supply, be provided with a plurality of electric motor car operational modules on the simulation handlebar, the equal signal transmission of these a plurality of electric motor car operational modules is to system control unit, the equal signal transmission of electric vehicle motor and controller for electric vehicle is to system control unit, system control unit connects display unit and voice unit and shows and carry out voice broadcast by voice unit that by display unit power supply is controller for electric vehicle and system control unit power supply.
2. described electric bicycle appliance circuit bimodulus voice teaching system according to claim 1, it is characterized in that: the electric motor car operational module that arranges on the described simulation handlebar comprises: handle, turning indicator control, constant speed switch, left brake lever switch, right brake lever switch.
3. described electric bicycle appliance circuit bimodulus voice teaching system according to claim 1, it is characterized in that: in the described electric motor car operational module: handle, turning indicator control are connected directly to system control unit.
4. described electric bicycle appliance circuit bimodulus voice teaching system according to claim 1, it is characterized in that: in the described electric motor car operational module: constant speed switch, left brake lever switch, right brake lever switch all are connected to controller for electric vehicle, and pass through the controller for electric vehicle signal transmission to system control unit.
5. described electric bicycle appliance circuit bimodulus voice teaching system according to claim 1, it is characterized in that: the electric motor car operational module on the described simulation handlebar also comprises electric vehicle horn switch and headlight switch, the equal connected system control module of this electric vehicle horn switch and headlight switch also is equipped with simulation electric vehicle horn and the simulation headlight that is connected with system control unit in the cabinet front.
6. described electric bicycle appliance circuit bimodulus voice teaching system according to claim 1, it is characterized in that: also be provided with mode conversion switch on the described simulation handlebar, this mode conversion switch is connected to system control unit.
7. described electric bicycle appliance circuit bimodulus voice teaching system according to claim 1, it is characterized in that: described cabinet inside also is equipped with wheel, and this wheel is driven by described electric vehicle motor.
8. described electric bicycle appliance circuit bimodulus voice teaching system according to claim 1, it is characterized in that: described display unit is one group of flowing water type display lamp.
9. described electric bicycle appliance circuit bimodulus voice teaching system according to claim 1 is characterized in that: the bottom of each flowing water type display lamp is provided with work display disc and voltage post in the corresponding described one group of flowing water type display lamp in cabinet surface.
10. described electric bicycle appliance circuit bimodulus voice teaching system according to claim 1, it is characterized in that: described display unit also comprises one group of Displaying Meter, is used for the voltage and current value of display power supply and electric vehicle motor.
11. described electric bicycle appliance circuit bimodulus voice teaching system according to claim 1, it is characterized in that: the cabinet front in described simulation handlebar dead ahead is provided with the automobile-used instrument of electrical salf-walking, and this electric bicycle instrument is connected with controller for electric vehicle.
CN201210350207.2A 2012-09-19 2012-09-19 Dual-mode phonetic teaching system of electrical equipment circuit of electric bicycle Active CN102903274B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105632275A (en) * 2016-03-29 2016-06-01 覃春平 Electric bicycle circuit teaching demonstration board

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109345941A (en) * 2018-08-27 2019-02-15 中职北方智扬(北京)教育科技有限公司 A kind of pure electric vehicle power drive system practical traning platform

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060270522A1 (en) * 2005-05-30 2006-11-30 Honda Motor Co., Ltd. Bicycle simulation system
CN2872514Y (en) * 2006-01-26 2007-02-21 张志刚 Multifunctional speech exercising table for electronic equipment on board
CN201489689U (en) * 2008-12-18 2010-05-26 于宗成 Electric voice site learner-driven vehicle
CN101941495A (en) * 2010-09-05 2011-01-12 刘万升 Multifunctional folding electric bicycle
CN202089203U (en) * 2011-05-24 2011-12-28 安徽迅影新能源科技有限公司 Electric system of electric bicycle
CN202838723U (en) * 2012-09-19 2013-03-27 天津爱玛科技股份有限公司 Electric bicycle electric circuit bimodal speech teaching device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060270522A1 (en) * 2005-05-30 2006-11-30 Honda Motor Co., Ltd. Bicycle simulation system
CN2872514Y (en) * 2006-01-26 2007-02-21 张志刚 Multifunctional speech exercising table for electronic equipment on board
CN201489689U (en) * 2008-12-18 2010-05-26 于宗成 Electric voice site learner-driven vehicle
CN101941495A (en) * 2010-09-05 2011-01-12 刘万升 Multifunctional folding electric bicycle
CN202089203U (en) * 2011-05-24 2011-12-28 安徽迅影新能源科技有限公司 Electric system of electric bicycle
CN202838723U (en) * 2012-09-19 2013-03-27 天津爱玛科技股份有限公司 Electric bicycle electric circuit bimodal speech teaching device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105632275A (en) * 2016-03-29 2016-06-01 覃春平 Electric bicycle circuit teaching demonstration board

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Address after: 301600 No. 5 Emma Road, South District, Jinghai Economic Development Zone, Tianjin

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Address after: 301600 No. 5 Emma Road, South District, Jinghai Economic Development Zone, Tianjin

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Address before: 301600 No. 5 Emma Road, South District, Jinghai Economic Development Zone, Tianjin

Patentee before: Aima Technology Co., Ltd.