CN201199403Y - Electric traction and fact example bench for training and checking motor control skill - Google Patents
Electric traction and fact example bench for training and checking motor control skill Download PDFInfo
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- CN201199403Y CN201199403Y CNU2007201596239U CN200720159623U CN201199403Y CN 201199403 Y CN201199403 Y CN 201199403Y CN U2007201596239 U CNU2007201596239 U CN U2007201596239U CN 200720159623 U CN200720159623 U CN 200720159623U CN 201199403 Y CN201199403 Y CN 201199403Y
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- 238000012549 training Methods 0.000 title claims abstract description 50
- 238000002474 experimental method Methods 0.000 claims description 46
- 238000005259 measurement Methods 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000001755 vocal effect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000011156 evaluation Methods 0.000 abstract 3
- 238000005516 engineering process Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
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Abstract
The utility model provides an electric drive and electric machine control skill training station, the proposal involves the training station and a control display screen, as well as a training box hanging area unit. The control display screen is provided with a power control unit, a meter unit, a three-phase regulator unit, an evaluation timing unit and a socket power switch unit. And the proposal with various basic power supply sources and signal sources can complete the training and evaluation for trainees on such electric drive and electric machine control skills as appliance installation, connection process, circuit analysis, electric drive and electric machine control mechanical electric circuit and the like. Therefore, the training station can be used as the training device for skill training and evaluation of institutions of higher learning, vocational and technical education and enterprise staff.
Description
Technical field
The utility model relates to a kind of technical education real training equipment, relates in particular to a kind of Electric Traction and Electric Machine Control skills training examination practical traning platform.
Background technology
In the prior art, technique known is electronics, electrician and the electric drive test platform that is used to the property verified theory teaching, experiment that this electrical teaching testing table can be finished and enterprise produce actual in getting in touch, so can not be as vocational and technical education and enterprise's employee skills training usefulness, this is the existing in prior technology weak point.
Summary of the invention
The purpose of this utility model is exactly at the existing in prior technology deficiency, and provide a kind of Electric Traction and Electric Machine Control skills training to examine the practical traning platform scheme, this scheme has possessed various basic power supplies and signal source, can finish Electric Traction and Electric Machine Control skills training examinations such as mechanical electric circuit, can be used as the real training equipment that institution of higher learning, vocational and technical education and enterprise's employee skills training and examination are used student's electrical equipment installation, wiring technology, circuit analysis, Electric Traction and Electric Machine Control.
The utility model adopts following technical scheme to solve above-mentioned technical matters:
A kind of Electric Traction and Electric Machine Control skills training examination practical traning platform, comprise practical traning platform, control display screen, wherein, it also comprises real training extension unit, case district, described real training is hung unit, case district and is provided with real training extension case, and power control unit, instrument pack, three-phase regulator unit, examination timing unit, socket power switch element are arranged on the described control display screen.Described power control unit is provided with scram button, three phase controlling switch, power supply pilot lamp, power light; Described instrument pack is provided with the three-phase supply Displaying Meter; Described three-phase regulator unit is provided with three-phase regulator input block, three-phase automatic coupling voltage regulator, three-phase regulator output unit, and the input voltage of described three-phase regulator input block is 380 volts of three-phases, and output voltage is 0 volt to 430 volts; Described examination is provided with timer display screen, timer input button with timer units; Described socket power switch element is provided with socket power switch and supply socket.Described real training is hung case and be can be the XK-DT02 measurement instrument and hang case, XK-DT04 speed setting controller and hang case, XK-DT06 three-phase group formula transformer, core type transformer, XK-DT07 synchronous motor coiling electric motor experiment package and hang case, XK-DT01 measurement instrument and hang case, XK-DT05 three-phase adjustable resistance case, screw home motion test and hang that case, motor-generator control experiment are hung case with temperature control experiment, case hung by frequency converter or case is hung in the control of XK-DT08 stepper motor servomotor.Described practical traning platform adopts the mode of connection of Three-phase five-wire.
The beneficial effect of this programme can be learnt according to the narration to such scheme, in this scheme, form by total power switch control module, instrument pack, three-phase regulator unit, examination timer units, socket switch unit on the control display screen, experiential function module in addition adopts box-hanging type, real training is hung unit, case district and is provided with real training extension case, and this practical traning platform can carry out the combination of multiple extension case.This structure has possessed various basic power supplies and signal source, add many group real trainings and hang case, can carry out Electric Traction more widely and Electric Machine Control skills training examinations such as the control of starting, speed governing, braking, operation of motor and the control of contact relay, can finish Electric Traction and Electric Machine Control skills training examinations such as mechanical electric circuit, can be used as the real training equipment that institution of higher learning, vocational and technical education and enterprise's employee skills training and examination are used student's electrical equipment installation, wiring technology, circuit analysis, Electric Traction and Electric Machine Control.In addition, this practical traning platform adopts the mode of connection of Three-phase five-wire, possesses the function of overcurrent protection, short-circuit protection, overload protection.This shows that the utility model compared with prior art has substantive distinguishing features and progress, the beneficial effect of its enforcement also is conspicuous.
Description of drawings
With connecting line jack, potentiometer knob installing hole, start-stop button installing hole, motor axis hole, two-phase stepping Motor, stepping motor driver; Motor-generator set control experiment and temperature control experimental hanging box On motor-generator set control experiment module and temperature control experiment module are arranged, described motor-Fa Group of motors control experiment module has input voltage table installing hole, measuring voltage table installing hole, setting value knob Installing hole, start-stop button installing hole, motor screw installing hole, laboratory wire connecting installing hole, motor, Generator, described temperature control experiment module have the experimental principle pattern, the electric light installing hole of heating; Frequency conversion Device is hung on the case rocker type switch installing hole, laboratory wire connecting jack, threephase asynchronous, three-phase electricity Motivation axis hole, motor installing hole, frequency converter installing hole, potentiometer installing hole, button installing hole; XK-DT08 The control of stepper motor servomotor is hung on the case laboratory wire connecting jack, screw installing hole, stepper motor Surveyors' staff, motor axis hole, screw installing hole, servo controller, controllor for step-by-step motor, stepping electricity The machine driver
Described practical traning platform adopts the mode of connection of Three-phase five-wire.
The useful effect of this programme can learn according to the narration to such scheme, in this scheme, and control display On the screen by total power switch control module, instrument pack, three-phase regulator unit, examination timer units, The socket switch unit forms, and in addition experiential function module adopts box-hanging type, and this practical traning platform can carry out multiple Hang the combination of case. This structure has possessed various basic power supplies and signal source, adds many group real trainings Hang case, can carry out the control of starting, speed governing, braking, operation of motor and the control of contact relay etc. more Be widely Electric Traction and Electric Machine Control skills training examination, can finish electric mounting to the student, connect Electric Traction and the motors such as the mechanical electric circuit of Wiring technology, circuit analysis, Electric Traction and Electric Machine Control Control skills training examination can be used as institution of higher learning, vocational and technical education and Enterprise Staff skills training The Practical training equipment of examination usefulness. In addition, this practical traning platform adopts the mode of connection of Three-phase five-wire, possesses overcurrent and protects Protect, the function of short-circuit protection, overload protection. This shows, the utility model compared with prior art, Have substantive distinguishing features and progress, the useful effect of its enforcement also is apparent.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of an embodiment of the utility model.
Fig. 3 hangs the structural representation of case for the XK-DT02 measurement instrument.
Fig. 4 hangs the structural representation of case for the XK-DT04 speed setting controller.
Fig. 5 is the structural representation of XK-DT06 three-phase group formula transformer, core type transformer.
Fig. 6 is the structural representation that XK-DT07 synchronous motor coiling electric motor experiment package is hung case.
Fig. 7 hangs the structural representation of case for the XK-DT02 measurement instrument.
Fig. 8 is the structural representation of XK-DT05 three-phase adjustable resistance case.
Fig. 9 hangs the structural representation of case for screw home motion test.
Figure 10 hangs the structural representation of case for motor-generator control experiment and temperature control experiment.
Figure 11 hangs the structural representation of case for frequency converter.
Figure 12 is the structural representation that case is hung in the control of XK-DT08 stepper motor servomotor.
Among the figure, 1 practical traning platform, 2 control display screen, 3 real trainings are hung unit, case district, 4 power control units, 5 instrument packs, 6 three-phase regulator unit, 7 examination timing units, 8 socket power switch elements, 9 scram buttons, 10 3 phase controlling switch, 11 power supply pilot lamp, 12 power lights, 13 three-phase supply Displaying Meters, 14 three-phase regulator input blocks, 15 three-phase automatic coupling voltage regulators, 16 three-phase regulator output units, 17 timer display screens, 18 timers input button, 19 socket power switches, 20 supply sockets, 21 XK-DT02 measurement instrument groups are hung case, and 22 XK-DT04 speed setting controllers are hung case, 23 XK-DT06 three-phase group formula transformers, core type transformer is hung case, 24 XK-DT07 synchronous motor coiling electric motor test assemblies are hung case, 25 XK-DT01 measurement instruments are hung case, 26 XK-DT05 three-phase adjustable resistance case, and 27 screw home motion tests are hung case, 28 motor-generators control experiment is hung case with temperature control experiment, 29 frequency converters are hung case, and case, 31 frequency meter mounting holes are hung in the control of 30XK-DT08 stepper motor servomotor, 32 tachometer gage mounting holes, 33 torque indicator mounting holes, 34 A.C. voltmeter mounting holes, 35 alternating current ammeter mounting holes, 36 power meter mounting holes, 37 power factor meter mounting holes, 38 experiment connecting line jacks, 39 rocker type switch mounting holes, 40 fuse mounting holes, 41 armature power supplys, 42 field power supplies, 43 experiment connecting line jacks, 44 rocker type switch mounting hole rectifier bridges heap, 45 rectifier bridges heap, 46 power resistors, 47 pilot lamp mounting holes, 48 fuse mounting holes, 49 controlled thyristor patterns, 50 phase shift position adjusters, 51 potentiometer mounting holes, 52 thyristor dc speed regulation controllers, 53 thyristor single-phase AC speed setting controllers, 54 button mounting holes, 55 3 single transformers, 56 two three-phase core type transformers, 57 experiments are used the connecting line jack, 58 revolving lights, 59 pilot lamp mounting holes, 60 experiment connecting line mounting holes, 61 three-phase disk resistance knob mounting holes, 62 toggle switch mounting holes, the D.C. voltmeter mounting hole of 630-300V, the A.C. voltmeter mounting hole of 640-450V, the DC ammeter mounting hole of 650-5A, the dc milliammeter mounting hole of 660-500mA, the alternating current ammeter mounting hole of 670-2A, 68 experiment connecting line jacks, 69 rocker type switch mounting holes, 70 fuse mounting holes, 71 experiment connecting line jacks, 72 disk resistance knob mounting holes, 73 fuse mounting holes, 74 direct current motors, 75 slider bracket mounting holes, 76 experiment connecting line jacks, 77 potentiometer knob mounting holes, 78 start and stop button mounting holes, 79 motor axis holes, 80 two-phase stepper motors, 81 stepping motor drivers, 82 input voltage table mounting holes, 83 measuring voltage table mounting holes, 84 setting value knob mounting holes, 85 start and stop button mounting holes, 86 motor screw mounting holes, 87 experiment connecting line mounting holes, 88 motor, 89 generators, 90 experimental principle patterns, the 91 electric light mounting holes of heating, 92 rocker type switch mounting holes, 93 experiments are used the connecting line jack, 94 threephase asynchronouses, 95 threephase motor axis holes, 96 motor mounting holes, 97 frequency converter mounting holes, 98 potentiometer mounting holes, 99 button mounting holes, 100 experiment connecting line jacks, 101 screw mounting holes, 102 stepper motor surveyors' staffs, 103 motor axis holes, 104 screw mounting holes, 105 servo controllers, 106 controllor for step-by-step motor, 107 stepper motor drivers.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described:
A kind of Electric Traction and Electric Machine Control skills training examination practical traning platform, as shown in Figure 1, comprise practical traning platform 1, control display screen 2, it also comprises real training extension unit, case district 3, and power control unit 4, instrument pack 5, three-phase regulator unit 6, examination timing unit 7, socket power switch element 8 are arranged on the described control display screen 2.Described power control unit 4 comprises scram button 9, three phase controlling switch 10, power supply pilot lamp 11, power light 12; Described instrument pack 5 comprises three-phase supply Displaying Meter 13; Described three-phase regulator unit 6 comprises three-phase regulator input block 14, three-phase automatic coupling voltage regulator 15, three-phase regulator output unit 16, and the input voltage of described three-phase regulator input block is 380 volts of three-phases, and output voltage is 0 volt to 430 volts; Described examination comprises timer display screen 17, timer input button 18 with timer units 7; Described socket power switch element 8 comprises socket power switch 19 and supply socket 20.
Real training is hung case district 3 and is comprised that 4 are hung case, as shown in Figure 2, XK-DT02 measurement instrument group is hung case 21, the XK-DT04 speed setting controller is hung case 22, XK-DT06 three-phase group formula transformer, core type transformer is hung case 23, XK-DT07 synchronous motor coiling electric motor test assembly is hung case 24, except 4 extension casees shown in Figure 2, the extension case that real training is hung case district 3 also can be replaced by other various extension casees, and for example the XK-DT01 measurement instrument is hung case 25, XK-DT05 three-phase adjustable resistance case 26, screw home motion test is hung case 27, motor-generator control experiment is hung case 28 with temperature control experiment, and frequency converter is hung case 29, and case 30 is hung in the control of XK-DT08 stepper motor servomotor.
As shown in Figure 3, described XK-DT02 measurement instrument is hung frequency meter mounting hole 31, tachometer gage mounting hole 32, torque indicator mounting hole 33, A.C. voltmeter mounting hole 34, alternating current ammeter mounting hole 35, power meter mounting hole 36, power factor meter mounting hole 37, experiment connecting line jack 38, rocker type switch mounting hole 39, fuse mounting hole 40 is installed on the case 21.
As shown in Figure 4, described XK-DT04 speed setting controller is hung armature power supply 41, field power supply 42, experiment connecting line jack 43, rocker type switch mounting hole 44, rectifier bridge heap 45, power resistor 46, pilot lamp mounting hole 47, fuse mounting hole 48, controlled thyristor pattern 49, phase shift position adjuster 50, potentiometer mounting hole 51, thyristor dc speed regulation controller 52, thyristor single-phase AC speed setting controller 53, button mounting hole 54 is installed on the case 22.
As scheme shown in Figure 5ly, three single transformers 55, two three-phase core type transformers 56, experiment are arranged with connecting line jack 57 on described XK-DT06 three-phase group formula transformer, the core type transformer 23;
As shown in Figure 6, on the described XK-DT07 synchronous motor coiling electric motor experiment package extension case 24 revolving light 58, pilot lamp mounting hole 59, experiment connecting line mounting hole 60, three-phase disk resistance knob mounting hole 61, toggle switch mounting hole 62 are arranged.
As shown in Figure 7, the XK-DT01 measurement instrument is hung D.C. voltmeter mounting hole 63, the A.C. voltmeter mounting hole 64 of 0-450V, the DC ammeter mounting hole 65 of 0-5A, the dc milliammeter mounting hole 66 of 0-500mA, the alternating current ammeter mounting hole 67 of 0-2A, experiment connecting line jack 68, rocker type switch mounting hole 69, the fuse mounting hole 70 that two 0-300V are arranged on the case 25.
As shown in Figure 8, experiment connecting line jack 71, disk resistance knob mounting hole 72, fuse mounting hole 73 are arranged on XK-DT05 three-phase adjustable resistance case 26.
As shown in Figure 9, direct current motor 74, slider bracket mounting hole 75, experiment connecting line jack 76, potentiometer knob mounting hole 77, start and stop button mounting hole 78, motor axis hole 79, two-phase stepper motor 80, stepping motor driver 81 are arranged on the screw home motion test extension case 27.
As shown in figure 10, motor-generator control experiment is hung with temperature control experiment motor-generator control experiment module and temperature control experiment module on the case 28, described motor-generator control experiment module has input voltage table mounting hole 82, measuring voltage table mounting hole 83, setting value knob mounting hole 84, start and stop button mounting hole 85, motor screw mounting hole 86, experiment to control with connecting line mounting hole 87, motor 88, generator 89, described temperature that experiment module has experimental principle pattern 90, the electric light mounting hole 91 of heating.
As shown in figure 11, rocker type switch mounting hole 92, experiment connecting line jack 93, threephase asynchronous 94, threephase motor axis hole 95, motor mounting hole 96, frequency converter mounting hole 97, potentiometer mounting hole 98, button mounting hole 99 are arranged on the frequency converter extension case 29.
As shown in figure 12, the control of XK-DT08 stepper motor servomotor is hung experiment connecting line jack 100, screw mounting hole 101, stepper motor surveyors' staff 102, motor axis hole 103, screw mounting hole 104, servo controller 105, controllor for step-by-step motor 106, stepper motor driver 107 on the case 30.
In addition, described practical traning platform adopts the mode of connection of Three-phase five-wire.
Claims (8)
1. Electric Traction and Electric Machine Control skills training examination practical traning platform, comprise practical traning platform, control display screen, it is characterized in that, it also comprises real training extension unit, case district, described real training is hung unit, case district and is provided with real training extension case, and power control unit, instrument pack, three-phase regulator unit, examination timing unit, socket power switch element are arranged on the described control display screen.
2. Electric Traction according to claim 1 and Electric Machine Control skills training examination practical traning platform is characterized in that described power control unit is provided with scram button, three phase controlling switch, power supply pilot lamp, power light.
3. Electric Traction according to claim 1 and Electric Machine Control skills training examination practical traning platform is characterized in that described instrument pack is provided with the three-phase supply Displaying Meter.
4. Electric Traction according to claim 1 and Electric Machine Control skills training examination practical traning platform, it is characterized in that, described three-phase regulator unit is provided with three-phase regulator input block, three-phase automatic coupling voltage regulator, three-phase regulator output unit, the input voltage of described three-phase regulator input block is 380 volts of three-phases, and output voltage is 0 volt to 430 volts.
5. Electric Traction according to claim 1 and Electric Machine Control skills training examination practical traning platform is characterized in that, described examination is provided with timer display screen, timer input button with timer units.
6. Electric Traction according to claim 1 and Electric Machine Control skills training examination practical traning platform is characterized in that described socket power switch element is provided with socket power switch and supply socket.
7. Electric Traction according to claim 1 and Electric Machine Control skills training examination practical traning platform, it is characterized in that described real training is hung case and be can be XK-DT02 measurement instrument extension case, the XK-DT04 speed setting controller is hung case, XK-DT06 three-phase group formula transformer, core type transformer, XK-DT07 synchronous motor coiling electric motor experiment package is hung case, the XK-DT01 measurement instrument is hung case, XK-DT05 three-phase adjustable resistance case, screw home motion test is hung case, motor-generator control experiment is hung case with temperature control experiment, case hung by frequency converter or case is hung in the control of XK-DT08 stepper motor servomotor.
8. according to described Electric Traction of one of claim 1-7 and Electric Machine Control skills training examination practical traning platform, it is characterized in that described practical traning platform adopts the mode of connection of Three-phase five-wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201596239U CN201199403Y (en) | 2007-12-28 | 2007-12-28 | Electric traction and fact example bench for training and checking motor control skill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201596239U CN201199403Y (en) | 2007-12-28 | 2007-12-28 | Electric traction and fact example bench for training and checking motor control skill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201199403Y true CN201199403Y (en) | 2009-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201596239U Expired - Lifetime CN201199403Y (en) | 2007-12-28 | 2007-12-28 | Electric traction and fact example bench for training and checking motor control skill |
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| CN (1) | CN201199403Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610154A (en) * | 2012-03-06 | 2012-07-25 | 南京化工职业技术学院 | Practical training operating platform of instrument |
| CN103093659A (en) * | 2013-02-26 | 2013-05-08 | 刘坚 | Digitized local area network motor teaching method |
| CN103630834A (en) * | 2013-04-26 | 2014-03-12 | 苏州博实机器人技术有限公司 | Multifunctional motor test platform |
| CN104299502A (en) * | 2014-10-22 | 2015-01-21 | 上海电机学院 | Reliability technology teaching experiment system |
| CN104732842A (en) * | 2013-12-20 | 2015-06-24 | 重庆煌能科技有限公司 | Electronic technique theory and practice integration teaching system |
| CN110297153A (en) * | 2018-11-23 | 2019-10-01 | 宁波职业技术学院 | A kind of test macro for electric machine control system, method and device |
| CN110544407A (en) * | 2019-09-16 | 2019-12-06 | 驻马店职业技术学院 | Training device for vocational skill training |
-
2007
- 2007-12-28 CN CNU2007201596239U patent/CN201199403Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610154A (en) * | 2012-03-06 | 2012-07-25 | 南京化工职业技术学院 | Practical training operating platform of instrument |
| CN103093659A (en) * | 2013-02-26 | 2013-05-08 | 刘坚 | Digitized local area network motor teaching method |
| CN103630834A (en) * | 2013-04-26 | 2014-03-12 | 苏州博实机器人技术有限公司 | Multifunctional motor test platform |
| CN104732842A (en) * | 2013-12-20 | 2015-06-24 | 重庆煌能科技有限公司 | Electronic technique theory and practice integration teaching system |
| CN104732842B (en) * | 2013-12-20 | 2017-07-11 | 重庆煌能科技有限公司 | The real integration teaching system of electronic technology reason |
| CN104299502A (en) * | 2014-10-22 | 2015-01-21 | 上海电机学院 | Reliability technology teaching experiment system |
| CN110297153A (en) * | 2018-11-23 | 2019-10-01 | 宁波职业技术学院 | A kind of test macro for electric machine control system, method and device |
| CN110297153B (en) * | 2018-11-23 | 2021-07-13 | 宁波职业技术学院 | Test system, method and device for motor control system |
| CN110544407A (en) * | 2019-09-16 | 2019-12-06 | 驻马店职业技术学院 | Training device for vocational skill training |
| CN110544407B (en) * | 2019-09-16 | 2021-04-16 | 驻马店职业技术学院 | Training device for vocational skill training |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG XINGKE INTELLIGENT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANG JI Effective date: 20120417 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120417 Address after: Five, building 250101, E, north of Environmental Protection Science Park, hi tech Development Zone, Shandong, Ji'nan Patentee after: Shandong Xingke Intelligent Technology Co., Ltd. Address before: 250101, Ji'nan District, Licheng District, Shandong Province, the middle of Feng Feng Road environmental protection science and Technology Park International Business Center E block north 5 floor Patentee before: Wang Ji |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Xinluo Avenue high tech Zone of Ji'nan City, Shandong province 250010 No. 786 four floor Patentee after: Shandong Xingke Intelligent Technology Co., Ltd. Address before: Five, building 250101, E, north of Environmental Protection Science Park, hi tech Development Zone, Shandong, Ji'nan Patentee before: Shandong Xingke Intelligent Technology Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090225 |