CN101206814A - Method and apparatus for testing vehicle electric appliance circuit system equip guarantee skill - Google Patents
Method and apparatus for testing vehicle electric appliance circuit system equip guarantee skill Download PDFInfo
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- CN101206814A CN101206814A CNA2007101508321A CN200710150832A CN101206814A CN 101206814 A CN101206814 A CN 101206814A CN A2007101508321 A CNA2007101508321 A CN A2007101508321A CN 200710150832 A CN200710150832 A CN 200710150832A CN 101206814 A CN101206814 A CN 101206814A
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Abstract
The invention relates to a method of equipment ensuring skill experiment for a vehicle electric circuit system and the device thereof. A real device can be especially combined with a computer through the invention, various single failures or combined failures are artificially arranged to the a vehicle electric circuit system by using a computer mouse, the invention can also perform on-line network with other computers, simultaneously the actual measurement or the virtual measurement on the screen of a real object or a computer is realized, evaluation contents are distributed in a regional network of computers, the operational situations are monitored. The invention is used for the quick and professional technique training, the skill evaluation, and the evaluation and the appraisal work of the technical grade on the overhaul of the vehicle electric circuit system.
Description
Affiliated technical field
The present invention relates to a kind of method and apparatus of testing vehicle electric appliance circuit system equip guarantee skill, especially device in kind can be combined with computing machine, the mouse that uses a computer artificially is provided with various single faults or combined failure to the appliance circuit system of automobile, can also network with other computer interconnection, be implemented in actual measurement or virtual measurement on material object or the computer screen simultaneously, and in LAN (Local Area Network), distribute content of examination, the policer operation situation is used for the quick professional technique training of car electrics Circuits System maintenance, the evaluation of technical ability examination and industrial grade, evaluation work.
Background technology
Type automobiles such as east wind, liberation and steyr all belong to large-scale haulage vehicle, towing vehicle or off-road vehicle, its volume is big, deal heavy, the vehicle mounted electrical apparatus Circuits System is laid by designing requirement and is installed between car body, relate to each position of car load, can be referred to as " nervous system " of vehicle, be car-mounted device the most complicated on the automobile, various faults usually take place in actual use.Because the environment for use of large-scale haulage vehicle, towing vehicle and off-road vehicle is abominable, through the high temperature of being everlasting, humidity, dust, mire, high wind, water logging, drench with rain and mal-condition work down such as strong electromagnetic, the phylogenetic probability of failure of appliance circuit is higher.The electric signal of car electrics Circuits System itself " be cannot see, be can not touch ", the back takes place and implements fault diagnosis, system overhaul in fault, and work such as daily maintaining and equipment guarantee, operators'skills is had relatively high expectations, being a heavy manual labor, also is a kind of careful brainwork.
On the other hand, when the vehicle mounted electrical apparatus Circuits System breaks down,, on real vehicle, carry out the teaching and training of structure composition, principle of work and the fault diagnosis maintenance of appliance circuit system, seem very difficult because above-mentioned vehicle volume is big, deal is heavy.Moreover, we can not wait until that also fault has really taken place, repair is deadlocked, carry out the teaching, training of fault diagnosis maintenance specially, therefore vehicle mounted electrical apparatus Circuits System fault is set on real vehicle artificially, it is very inconvenient with the industrial grade evaluation to be used for fault diagnosis maintenance skills examination, preparation chronic, and traffic and labour department carry out technical ability evaluation work and also are difficult to relate to this field.
The 3rd, above-mentioned vehicle is equipped as general-purpose support, also is being extensive use of in each army of the entire PLA.Because the vehicle mounted electrical apparatus Circuits System is the most complicated car-mounted device, the maintenance of this system on top of, maintenance, fault diagnosis maintenance generally need all the year round working practice and long term experience accumulation.Because army is the singularity of grassroots army unit particularly, soldier's length of service is short, flow of personnel is big, be difficult to keep the technical backbone, press for a kind of can matching with the informatization of current army, be fit to that the vehicle mounted electrical apparatus Circuits System ensures fast, maintenance and fault diagnosis teaching and training, realize specialized training device and technical ability checking device that large tracts of land technology popularization and technology are universal.
Summary of the invention
In order to address the above problem, the invention provides a kind of method and apparatus at testing vehicle electric appliance circuit system equip guarantee skills such as east wind EQ2102 series, liberation CA1121 series, steyr SX2190 series.It is with appliance circuit assemblies such as the light assembly on the automobile, motor assembly, instrument assembly, ignition switch assembly parts in kind, be installed on the platen by real vehicle position reduction ratio, use the real vehicle circuit to connect each assembly in kind, form consistent with real vehicle complete appliance circuit system.Platen uses hinge to be installed on the stand, and platen can be upright, also can put on stand and locking in level side.The universal caster of 6 band self-locking devices is installed in the stand bottom, 4 are fixing horn ring, two is movable horn ring, make whole stand can be easily move arbitrarily and relative fixed somewhere, two movable corner wheel supports of stand can freely stretch out and lock, and are used for firmly supporting when platen is upright platen.Adopt a low power motor to replace motor car engine to drive automobile current generator work, automobile ignition switch is connected with electric electromechanics, start automobile ignition switch and just can start all assembly parts real work of whole car electrics Circuits System, generation sound, light, electric effect, the structure of carrying out the appliance circuit system is formed, the principle of work teaching and training, make that whole teaching checking device is in light weight, noise is low, energy consumption is little, thereby reduce teaching examination cost greatly, have the 220V/24V dual power supply.The circuit plate of making a car electrics Circuits System is installed in the back side of platen, inlays colored calibrating terminal by character of circuit on circuit diagram, and calibrating terminal is electrically connected with the physical vehicle appliance circuit system in platen front.Making a fail-safe control case is installed on the stand, be electrically connected with the physical vehicle appliance circuit system on the platen, the fail-safe control panel is set in the fault case, fault is installed on the panel switch is set, be provided with by manually stirring these faults that switch just can be provided with that the car electrics Circuits System opens circuit, dissimilar faults such as mutually short circuit, shorted to earth and virtual connection, thereby cause a part of electric equipment do not work or working condition bad.Fail-safe control case band case lid and case lock are to increase the disguise of set fault.The fail-safe control case in fact also is an electronic control module, RS232 interface by standard links to each other with computing machine with USB interface, dissimilar faults such as the mouse that uses a computer just can be provided with remotely that the car electrics Circuits System opens circuit, mutually short circuit, shorted to earth and virtual connection.
The technical scheme of its technical solution problem is:
With the parts in kind of electrical equipment circuit assembly on the automobile, be installed on the platen by real vehicle position reduction ratio, use the real vehicle circuit to connect each assembly in kind, replace motor car engine to drive automobile current generator work with a low power motor, automobile ignition switch is connected with electric electromechanics, start automobile ignition switch and just can start all assembly parts real work of whole car electrics Circuits System, the same generation sound with true car, light, electric effect are used for structure composition, principle of work, maintaining teaching, training and the practical operation skill training of car electrics Circuits System.
Making a fail-safe control case is installed on the stand, system is electrically connected with the physical vehicle appliance circuit, the fail-safe control panel is set in the fault case, fault is installed on the panel switch is set, switch is set the car electrics Circuits System just can be set open circuit by manually stirring these faults, short circuit mutually, the fault that shorted to earth and virtual connection etc. are dissimilar, thereby cause a part of electric equipment do not work or working condition bad, realize the appliance circuit system failure, do not work as certain lamp, loudspeaker do not ring, motor does not change, radio is not sung etc., is used for fault diagnosis and gets rid of and system maintenance practical operation skill training.
At big circuit for lamp or variable resistor of wiper circuit series connection, increase resistance by using knob, headlight beam deepening, wiper motor speed are reduced, thereby realize the fault of simulation this section circuit or connector virtual connection.
Electronic control module one end is connected with electric electromechanics with automobile ignition switch, the other end adopts standard RS232 interface to link to each other with computing machine with USB interface, uses software just can realize the car electrics Circuits System is carried out remote switch and start-stop control on computers.
Other computing machines and this computing machine (acting server) are formed LAN (Local Area Network) by the netting twine and the network switch, use SDK (Software Development Kit) exploitation control interface, test interface, examination item database etc., realize that computer software is connected alternately with the software and hardware of car electrics Circuits System hardware, by use the Virtual Multimeter test circuit on computer screen, the result that institute's numerical value of surveying and the real multimeter of use are tested on the circuit in kind on the platen is on all four.
With acting server as teacher computer, test interface or actual measurement test question are sent on other computing machines (student's machine), the student uses the Virtual Multimeter test circuit on computers, also can use real multimeter to test on the circuit in kind on the platen, its test result is on all four.
Acting server as teacher computer, is sent to the theory examination topic on other computing machines (student's machine), and the student is in the computing machine answer, and computer system is appraised according to student's answer situation automatically, and can store examination result.
At different car systems, different vehicles, only need to change control module and just can realize identical effect with the mode of connection of car electrics Circuits System.
By above-mentioned design, beneficial effect of the present invention is: the electrical equipment assembly parts material object that is dispersed on the automobile is everywhere installed concentratedly together, and simple and clear; The difficulties in teaching that comparatively complicated electric system electric signal " be cannot see, be can not touch " oversimplify, visual, easy to operateization; Installed fail-safe control case (electronic control module) additional, single fault of car electrics Circuits System or combined failure can be set arbitrarily; Fault can manually be set, also can use a computer fault is set automatically, can be in LAN (Local Area Network) the long-range fault that is provided with; After the fault setting is finished, the colored calibrating terminal checkout that can use multimeter on the circuit diagram of the platen back side, to inlay, and definite guilty culprit; Computing machine is combined with car electrics Circuits System software and hardware, realized virtual test on computer screen, its test result and actual test result are on all four; Can be on teacher computer (acting server) to student's machine (other computing machines of networking) distribution practical operation test question and theory examination topic, system can appraise and store, print examination result automatically.
Description of drawings
Fig. 1 is the structural representation (the platen horizontal is on stand) of apparatus of the present invention.
Fig. 2 stands upright on platen on the stand, and the structural representation that is connected with computing machine;
Fig. 3 is the circuit interconnect pattern at headlight and variable resistor of wiper motor circuit series connection and tuner;
1. platens among the figure, 2. stand, 3. car electrics Circuits System assembly parts in kind, 4. be with the universal caster of self-locking device, 5. movable corner wheel support, 6. circuit test plate, 7. fault is provided with case (electronic control module), 8. standard RS232 and USB communication interface, 9. proxy server computer (acting server), 10. Lian Wang computer set, 11.24V power supply (automobile current generator), 12. headlight for vehicles, 13. vehicle wiper motor, 14. the variable resistor of band tuner, 15. disconnects, 16. short circuiting switches.
Embodiment:
In Fig. 1, the whole assembly parts in kind of car electrics Circuits System (3) are fixed on the platen (1) by real vehicle position reduction ratio, platen (1) uses hinge to be connected with stand (2), with each assembly parts of the former fare bundle of automobile connecting circuit Circuits System, the starting ignition switch, each assembly parts of appliance circuit system can with the same real work on real vehicle, generation sound, light, electric effect are used to carry out the teaching, training of car electrics circuit system structure composition, principle of work, system maintenance maintenance.
In Fig. 2, movable corner wheel support (5) to be pulled out and locked, platen (1) can stand upright on the stand (2).Stir the fault that fault is provided with in the case (7) switch (15) and (16) are set, just can be provided with that the car electrics Circuits System opens circuit, shorted to earth and the fault of short circuit mutually, cause electric component not work, as certain lamp do not work, loudspeaker do not ring, motor does not change, radio is not sung etc., the different single number of defects is nearly individual surplus in the of 30, also combined failure can be set, the promptly existing class fault that opens circuit, short circuit class fault is arranged again, virtual connection class fault is arranged again.Use multimeter on the circuit test plate (6) at platen (1) back side, can measure these faults, be used for skill training, examination and the industrial grade evaluation of Analysis on Fault Diagnosis.The circuit test plate has been drawn colour circuit figure on (6), can also forcibly temper and improve the ability of student's analysis circuit.
In another embodiment shown in Figure 3, motor car engine (11) is the operating voltage that produces 24V by direct motor drive automobile current generator (11), makes each parts operate as normal of car electrics.In being provided with case (7), fault installed the variable resistor (14) of a cover band tuner additional, by tuning variable resistor knob, the resistance of size arbitrarily can artificially be set between the circuit that comprises headlight for vehicles (12) or windscreen wiper motor (13), cause the fault that slowly waits circuit or connector virtual connection as headlight for vehicles (12) deepening, windscreen wiper motor (13) rotating speed, use multimeter on the circuit test plate (6) at platen (1) back side, can measure the against regulation scope of resistance value between this section circuit.
In the 3rd embodiment shown in Figure 2, it in fact also is an electronic control unit that fault is provided with case (7), one end is electrically connected with the car electrics Circuits System, the other end links to each other with proxy server computer (9) with USB communication interface (8) by standard RS232, proxy server computer (9) is provided with case (7) by the mouse action fault and realizes that opening circuit appears in the last car electrics Circuits System (3) of installing of platen (1), the fault of shorted to earth and mutual short circuit, provide equally and use the case of multimeter in circuit test plate (6) actual measurement at platen (1) back side, and realized the long-range setting of fault making set fault have more disguise.
In the 4th embodiment shown in Figure 2, proxy server computer (9) is connected with Net-connected computer group (10) as the student test terminal by the network switch, can be sent in the content of measuring on the computer screen to Net-connected computer group (10), the student uses Virtual Multimeter to measure the circuit diagram measurement point of screen display on screen, with using true multimeter to go up the result who measures at the circuit test plate (6) at platen (1) back side is on all four, thereby collective's professional technique training and teaching have been realized, save resource, improved efficient.
Claims (9)
1. the present invention relates to a kind of method and apparatus of testing vehicle electric appliance circuit system equip guarantee skill, especially device in kind can be combined with computing machine, the mouse that uses a computer artificially is provided with various single faults or combined failure to the appliance circuit system of automobile, can also network with other computer interconnection, be implemented in actual measurement or virtual measurement on material object or the computer screen simultaneously, and in LAN (Local Area Network), distribute content of examination, policer operation situation.
2. method as claimed in claim 1, it is characterized in that: the whole assembly parts in kind of car electrics Circuits System (3) are fixed on the platen (1) by real vehicle position reduction ratio, platen (1) uses hinge to be connected with stand (2), with each assembly parts of the former fare bundle of automobile connecting circuit Circuits System, the starting ignition switch, each assembly parts of appliance circuit system can with the same real work on real vehicle, generation sound, light, electric effect are used to carry out the teaching, training of car electrics circuit system structure composition, principle of work, system maintenance maintenance.
3. a method as claimed in any preceding claim, it is characterized in that: make a fail-safe control case (7) and be installed on the stand (2), be electrically connected with physical vehicle appliance circuit system (3), in fault case (7), the fail-safe control panel is set, fault is installed on the panel switch is set, switch is set car electrics Circuits System (7) just can be set open circuit by manually stirring these faults, short circuit mutually, the fault that shorted to earth and virtual connection etc. are dissimilar, thereby cause a part of electric equipment do not work or working condition bad, realize the appliance circuit system failure, do not work as certain lamp, loudspeaker do not ring, motor does not change, radio is not sung etc., is used for fault diagnosis and gets rid of and system maintenance practical operation skill training.
4. a method as claimed in any preceding claim, it is characterized in that: the variable resistor (14) that in fault is provided with case (7), has installed a cover band tuner additional, by tuning variable resistor knob, any big resistance can artificially be set between the circuit that comprises headlight for vehicles (12) or windscreen wiper motor (13), cause the fault that slowly waits circuit or connector virtual connection as headlight for vehicles (12) deepening, windscreen wiper motor (13) rotating speed, use multimeter on the circuit test plate (6) at platen (1) back side, the resistance value that can measure between this section circuit surpasses specialized range.
5. a method as claimed in any preceding claim, it is characterized in that: it in fact also is an electronic control unit that fault is provided with case (7), one end is electrically connected with the car electrics Circuits System, the other end links to each other with proxy server computer (9) with USB communication interface (8) by standard RS232, proxy server computer (9) is provided with case (7) by the mouse action fault and realizes that opening circuit appears in the last car electrics Circuits System (3) of installing of platen (1), the fault of shorted to earth and mutual short circuit, provide equally and use the case of multimeter in circuit test plate (6) actual measurement at platen (1) back side, and realized the long-range setting of fault making set fault have more disguise.
6. a method as claimed in any preceding claim, it is characterized in that: proxy server computer (9) is connected with Net-connected computer group (10) as the student test terminal by the network switch, can be sent in the content of measuring on the computer screen to Net-connected computer group (10), the student uses Virtual Multimeter to measure the circuit diagram measurement point of screen display on screen, with using true multimeter to go up the result who measures at the circuit test plate (6) at platen (1) back side is on all four, thereby collective's professional technique training and teaching have been realized, save resource, improved efficient.
7. a method as claimed in any preceding claim, it is characterized in that: with proxy server computer (9) as teacher computer, test interface or actual measurement test question are sent on the Net-connected computer group (10), the student uses the Virtual Multimeter test circuit on computers, also can use real multimeter to test on the circuit in kind on the platen, its test result is on all four.
8. a method as claimed in any preceding claim, it is characterized in that: will manage server computer (9) is teacher computer, and the theory examination topic is sent on the Net-connected computer group (10), and the student is in the computing machine answer, computer system is appraised according to student's answer situation automatically, and can store examination result.
9. a method as claimed in any preceding claim is characterized in that: at different car systems, different vehicles, only need to change control module and just can realize identical effect with the mode of connection of car electrics Circuits System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101508321A CN101206814A (en) | 2007-12-10 | 2007-12-10 | Method and apparatus for testing vehicle electric appliance circuit system equip guarantee skill |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101508321A CN101206814A (en) | 2007-12-10 | 2007-12-10 | Method and apparatus for testing vehicle electric appliance circuit system equip guarantee skill |
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| CNA2007101508321A Pending CN101206814A (en) | 2007-12-10 | 2007-12-10 | Method and apparatus for testing vehicle electric appliance circuit system equip guarantee skill |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101866560A (en) * | 2010-06-02 | 2010-10-20 | 深圳市风向标科技有限公司 | Network-type intelligent training examination system |
| CN102735896A (en) * | 2012-07-14 | 2012-10-17 | 漳州市东方智能仪表有限公司 | Digital universal meter with car failure diagnosis function and realization method thereof |
| CN103035147A (en) * | 2012-12-11 | 2013-04-10 | 天津市优耐特汽车电控技术服务有限公司 | Scene lead-in type method and device of high-skill practical training scene of automotive application and maintenance |
| CN103680232A (en) * | 2012-09-18 | 2014-03-26 | 深圳市风向标科技有限公司 | Theory and practice integration type whole-vehicle multimedia teaching and checking system of face switch network version |
| CN103745649A (en) * | 2014-01-02 | 2014-04-23 | 隋礼辉 | Visible automobile starting circuit demonstration device |
| CN103926498A (en) * | 2013-01-11 | 2014-07-16 | 上海大众汽车有限公司 | Finished automobile dynamic diagnosis and test platform and method |
| CN104952347A (en) * | 2014-03-31 | 2015-09-30 | 盈溢教育系统 | Practical training device for auto teaching |
| CN105023471A (en) * | 2014-04-29 | 2015-11-04 | 天津市优耐特汽车电控技术服务有限公司 | Automobile vocational education game introduced teaching method and device |
| CN105355121A (en) * | 2015-10-28 | 2016-02-24 | 苏州市远极智能科技有限公司 | Intelligent wire-breaking module and wire-breaking practical training detection system |
| CN105469649A (en) * | 2014-09-10 | 2016-04-06 | 天津市优耐特汽车电控技术服务有限公司 | Game import type automobile vocational education teaching system |
| CN106251761A (en) * | 2016-09-29 | 2016-12-21 | 天津市征创科技有限公司 | A kind of automobile electric appliance circuit Internet of Things controlled in wireless teaching system |
| CN106782019A (en) * | 2017-02-09 | 2017-05-31 | 山东星科智能科技股份有限公司 | A kind of 3-car dumper behaviour inspection comprehensive training device |
| CN108053710A (en) * | 2018-01-16 | 2018-05-18 | 重庆科技学院 | Automobile signal light teaching experimental base failure set system |
| CN109215475A (en) * | 2018-11-01 | 2019-01-15 | 广东车技研科技有限公司 | Multifunctional new energy motor-vehicle engine mounting-dismounting operation detection real training intelligent tutoring system |
| CN110264849A (en) * | 2019-06-03 | 2019-09-20 | 福建省立医院 | A kind of lateral cerebral ventricle puncture simulation training method and system |
| CN112687175A (en) * | 2020-12-28 | 2021-04-20 | 芜湖信诺教育设备有限公司 | Detection equipment for leading out and setting automobile electrical appliance fault |
| CN113393723A (en) * | 2021-07-05 | 2021-09-14 | 重庆安伏特电子技术有限公司 | Intelligent evaluation device and method for circuit experiment operation examination |
| CN114120736A (en) * | 2021-10-29 | 2022-03-01 | 深圳职业技术学院 | Drive motor practical training teaching system and test method for electric automobile |
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| CN101866560A (en) * | 2010-06-02 | 2010-10-20 | 深圳市风向标科技有限公司 | Network-type intelligent training examination system |
| CN102735896A (en) * | 2012-07-14 | 2012-10-17 | 漳州市东方智能仪表有限公司 | Digital universal meter with car failure diagnosis function and realization method thereof |
| CN102735896B (en) * | 2012-07-14 | 2015-08-26 | 漳州市东方智能仪表有限公司 | A kind of digital multimeter and its implementation with automobile failure diagnosis function |
| CN103680232A (en) * | 2012-09-18 | 2014-03-26 | 深圳市风向标科技有限公司 | Theory and practice integration type whole-vehicle multimedia teaching and checking system of face switch network version |
| CN103035147A (en) * | 2012-12-11 | 2013-04-10 | 天津市优耐特汽车电控技术服务有限公司 | Scene lead-in type method and device of high-skill practical training scene of automotive application and maintenance |
| CN103926498A (en) * | 2013-01-11 | 2014-07-16 | 上海大众汽车有限公司 | Finished automobile dynamic diagnosis and test platform and method |
| CN103745649A (en) * | 2014-01-02 | 2014-04-23 | 隋礼辉 | Visible automobile starting circuit demonstration device |
| CN103745649B (en) * | 2014-01-02 | 2016-06-01 | 隋礼辉 | Visual automobile starting circuit apparatus for demonstrating |
| CN104952347A (en) * | 2014-03-31 | 2015-09-30 | 盈溢教育系统 | Practical training device for auto teaching |
| CN105023471A (en) * | 2014-04-29 | 2015-11-04 | 天津市优耐特汽车电控技术服务有限公司 | Automobile vocational education game introduced teaching method and device |
| CN105469649A (en) * | 2014-09-10 | 2016-04-06 | 天津市优耐特汽车电控技术服务有限公司 | Game import type automobile vocational education teaching system |
| CN105355121A (en) * | 2015-10-28 | 2016-02-24 | 苏州市远极智能科技有限公司 | Intelligent wire-breaking module and wire-breaking practical training detection system |
| CN106251761A (en) * | 2016-09-29 | 2016-12-21 | 天津市征创科技有限公司 | A kind of automobile electric appliance circuit Internet of Things controlled in wireless teaching system |
| CN106782019A (en) * | 2017-02-09 | 2017-05-31 | 山东星科智能科技股份有限公司 | A kind of 3-car dumper behaviour inspection comprehensive training device |
| CN108053710A (en) * | 2018-01-16 | 2018-05-18 | 重庆科技学院 | Automobile signal light teaching experimental base failure set system |
| CN109215475A (en) * | 2018-11-01 | 2019-01-15 | 广东车技研科技有限公司 | Multifunctional new energy motor-vehicle engine mounting-dismounting operation detection real training intelligent tutoring system |
| CN110264849A (en) * | 2019-06-03 | 2019-09-20 | 福建省立医院 | A kind of lateral cerebral ventricle puncture simulation training method and system |
| CN112687175A (en) * | 2020-12-28 | 2021-04-20 | 芜湖信诺教育设备有限公司 | Detection equipment for leading out and setting automobile electrical appliance fault |
| CN112687175B (en) * | 2020-12-28 | 2023-04-07 | 芜湖信诺教育设备有限公司 | Detection equipment for leading out and setting automobile electrical appliance fault |
| CN113393723A (en) * | 2021-07-05 | 2021-09-14 | 重庆安伏特电子技术有限公司 | Intelligent evaluation device and method for circuit experiment operation examination |
| CN114120736A (en) * | 2021-10-29 | 2022-03-01 | 深圳职业技术学院 | Drive motor practical training teaching system and test method for electric automobile |
| CN114120736B (en) * | 2021-10-29 | 2023-10-03 | 深圳职业技术学院 | Driving motor practical training teaching system and test method for electric automobile |
| CN114305187A (en) * | 2022-01-06 | 2022-04-12 | 中山东菱威力电器有限公司 | Sharing intelligent closestool lid system based on thing networking |
| CN114305187B (en) * | 2022-01-06 | 2023-03-14 | 中山东菱威力电器有限公司 | Sharing intelligent closestool lid system based on thing networking |
| CN115410455A (en) * | 2022-08-16 | 2022-11-29 | 天津大学 | Visual experiment platform to amplitude modulation radio teaching |
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