CN102435447B - Test bench for anti-theft system of vehicle - Google Patents
Test bench for anti-theft system of vehicle Download PDFInfo
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- CN102435447B CN102435447B CN201110284347.XA CN201110284347A CN102435447B CN 102435447 B CN102435447 B CN 102435447B CN 201110284347 A CN201110284347 A CN 201110284347A CN 102435447 B CN102435447 B CN 102435447B
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Abstract
The invention relates to a test bench for an anti-theft system of a vehicle. The test bench comprises a programmable controller, an upper computer controller, an operating platform and a signal acquisition and transmission system, wherein a horizontal regulating device and a longitudinal regulating device are arranged on the operating platform; the horizontal regulating device is composed of two horizontal sliding rails, a stepping motor, a horizontally moving base, a horizontally moving screw, a sliding block, a horizontal angle regulating structure, a height regulating structure, a universal regulating structure and a lock body tray; the longitudinal regulating device is composed of two longitudinal sliding rails, a stepping motor, a longitudinally moving base, a longitudinally moving screw, a longitudinal sliding block, a horizontal angle regulating structure, a height regulating structure, an upright column and a fixture; the signal acquisition and transmission system comprises a displacement sensor, an anti-theft coil, an oscilloscope and an anti-theft starting switch; and a displacement of the anti-theft starting switch triggered by a tested key after entering into a tested lock body is acquired by the programmable controller and is displayed on a digital display instrument in real time. The test bench can be used for realizing the test of signal acquisition and transmission among the key lock body, the chip and the programmable controller.
Description
Technical field
The invention belongs to proving installation, particularly relate to a kind of motor car engine Intelligent key burglary-resisting system and carry out the test bed of accurately detection.
Background technology
Along with the development of auto industry, motor car engine burglary-resisting system is applied gradually, and the use of Intelligent key is played great role to automobile intelligent theft.But its stability and reliability is in use most important, if burglary-resisting system breaks down, will cause vehicle to start.
As-Is is that theftproof chip is provided by different manufacturers from key lock body mechanism and engine control computer (ECU) etc., the production company of each product can only carry out to the product of oneself detection of quality and performance, cannot comprehensively detect whole Intelligent key burglary-resisting system, although these products are when independent performance test, quality is no problem, but pack key lock body mechanism and chip after car load into, signals collecting transmission between engine control computer (ECU) all cannot realize, these problems often parts producer cannot detect with insurmountable.In currently available technology, generally the quality inspection personnel of Shi Kao car load producer mode manual or employing micro-judgment is carried out measurement, the check of Intelligent key, lacks the instrument detection means of comparison science, and the test of whole Intelligent key burglary-resisting system is still far from perfect.
Summary of the invention
The present invention carries out the test bed of accurately detection for the technical matters existing in solution prior art provides a kind of to motor car engine Intelligent key burglary-resisting system.
The technical scheme that the present invention takes for the technical matters existing in solution prior art is:
Test bench for anti-theft of the present invention, comprise: the control desk, the worktable that by Programmable Logic Controller and host computer touch screen controller, are formed, on its worktable, be provided with and regulate the lateral adjustment device of tested lock body position and regulate tested key position, and the longitudinal adjustment apparatus vertical with lateral adjustment device, also comprise: the signals collecting and the transmission system that are connected with lateral adjustment device, longitudinal adjustment apparatus;
Lateral adjustment device by being fixed on motor support base on the worktable horizontal slide rail parallel with two, be contained in stepper motor on motor support base, the lateral frame by horizontal slide rail two ends supports and run through traversing base, the traversing leading screw parallel with horizontal slide rail, be fixedly connected on traversing base below and on horizontal slide rail mobile slide block, level angle adjustment structure, height adjusting structure, universal adjustment structure and the lock body pallet being fixedly connected on above traversing base form;
Longitudinal adjustment apparatus by being fixed on motor support base on the worktable longitudinal slide rail parallel with two, be contained in stepper motor on motor support base, the longitudinal support by longitudinal slide rail two ends supports and run through vertical shift base, the vertical shift leading screw parallel with longitudinal slide rail, be fixedly connected on vertical shift base below and on longitudinal slide rail mobile vertical slide block, be fixedly connected on level angle adjustment structure above vertical shift base, height adjusting structure, column and form perpendicular to the fixture of column;
Signals collecting and transmission system: the side at the traversing leading screw of lateral adjustment device and the vertical shift leading screw of longitudinal adjustment apparatus is separately installed with a displacement transducer, the follower ends of displacement transducer is fixedly connected with the slide block of lateral adjustment device, the vertical slide block of longitudinal adjustment apparatus respectively, and with slide block, vertical slide block, move respectively, the displacement of displacement transducer is transferred to control desk by data line, and be presented on digital instrument respectively, thereby obtain the feeding displacement of tested key;
Tested key enters in tested lock body, tested key chip makes the antitheft coil-induced generation set of pulses signal of tested lock body, this signal is gathered by the oscillograph of this testing table, show, storage, and judge that by the flicker frequency difference of the anti-theft display lamp on testing table whether tested key is correct, tested key enters also can touch the antitheft starting switch in tested lock body in tested lock body, after being touched, this switch can produce a low level signal, after this low level signal is received by Programmable Logic Controller, the stepper motor feed-disabling of notice longitudinal adjustment apparatus, tested key stops entering tested lock body, tested key enters the displacement that touches antitheft starting switch after tested lock body and by Programmable Logic Controller, is gathered and show in real time on read out instrument.
Described level angle adjustment structure is by being fixedly connected on traversing base or vertical shift base, and lateral surface is provided with the lower tray of index dial, rotates and be provided with the upper tray of chute on lower tray and is contained in the lock-screw formation in chute.
Described height adjusting structure is by being fixed on upper tray, centre has the housing of threaded hole and square hole, the core body that is contained in adjusting screw(rod) in housing, is connected with adjusting screw(rod) and protrudes upward to form, the top of adjusting screw(rod) increases and forms adjustable side, adjustable side is stretched in square hole and partly to exposing outside, and housing outside is provided with scale.
Described universal adjustment structure consists of the lower cardan and the connected upper cardan that are connected to height adjusting structure upper end.
The height of described housing square hole should be greater than the adjusting height sum of adjustable side thickness and longitudinal adjustment apparatus or lateral adjustment device.
Advantage and good effect that the present invention has are:
Test bench for anti-theft of the present invention, has the following advantages:
1, realized the test of the signals collecting transmission between key lock body mechanism and chip, PLC Programmable Logic Controller.
2, owing to adopting Precision Lead-Screw transmission and PLC Programmable Logic Controller automatically to control, so the feeding displacement that key enters lock body can accurately control, and its amount of feeding precision can reach 0.1mm.
3, the present invention adopts the control desk that PLC Programmable Logic Controller and host computer touch screen controller form, so test process has been realized automatic control.
4, key enters lock body and touches after antitheft starting switch, and the low level signal sending is directly transferred to PLC, and the response time can complete in 0.3ms, therefore can realize the accurate control to whole test process.
Accompanying drawing explanation
Fig. 1 is test bench for anti-theft front view of the present invention;
Fig. 2 is the stereographic map of lateral adjustment device of the present invention and longitudinal adjustment apparatus;
Fig. 3 is the part enlarged drawing of lateral adjustment device and longitudinal adjustment apparatus;
Fig. 4 is level angle adjustment structure and height adjusting structure part enlarged drawing;
Fig. 5 is universal adjustment structural perspective;
Fig. 6 is longitudinal adjustment apparatus structural perspective;
Fig. 7 is the vertical view of lateral adjustment device and longitudinal adjustment apparatus;
Fig. 8 is schematic block circuit diagram of the present invention.
Critical piece symbol description in accompanying drawing:
1: control chart 2: Programmable Logic Controller 3: host computer
4: lateral adjustment device 5: longitudinal adjustment apparatus 6: worktable
7: anti-theft display lamp 8: tested key 9: tested lock body
10: lock body pallet 11: universal adjustment structure 12: height adjusting structure
13: level angle adjustment structure 14: stepper motor
15: motor support base 16: traversing leading screw 17: lateral frame
18: upper tray 19: lower tray 20: ring flange
21: horizontal slide rail 22: traversing base 23: slide block
24: longitudinal support 25: longitudinal slide rail 26: vertical slide block
27: vertical shift base 28: vertical shift leading screw 29: column
30: fixture 31: lock-screw 32: chute
33: index dial 34: adjustable side 35: adjusting screw(rod)
36: scale 37: displacement transducer 38: oscillograph
39: antitheft coil 40: housing 41: core body
42: square hole 43: threaded hole 44: upper cardan
45: lower cardan 46: antitheft starting switch 47: touch-screen
48: read out instrument.
Embodiment
Referring to drawings and Examples, the present invention will be described in detail.
Fig. 1 is test bench for anti-theft front view of the present invention.Test bench for anti-theft of the present invention, as shown in Figure 1, comprise: the control desk 1, the worktable 6 that by Programmable Logic Controller 2 and host computer touch screen controller 3, are formed, on worktable 6, be provided with and regulate the lateral adjustment device 4 of tested lock body position and regulate tested key position, and the longitudinal adjustment apparatus 5 vertical with lateral adjustment device, also comprise: the signals collecting and the transmission system that are connected with lateral adjustment device, longitudinal adjustment apparatus.
Fig. 2 is the stereographic map of lateral adjustment device of the present invention and longitudinal adjustment apparatus; Fig. 3 is the part enlarged drawing of lateral adjustment device and longitudinal adjustment apparatus.The function of lateral adjustment device is the lateral attitude that regulates lock body.As shown in Figure 2 and Figure 3, lateral adjustment device consists of a motor support base 15 and two horizontal slide rails 21, stepper motor 14,2 lateral frames 17, traversing leading screw 16, traversing base 22, slide block 23, level angle adjustment structure 13, height adjusting structure 12, universal adjustment structure 11 and lock body pallets 10 of being fixed on worktable.
Stepper motor is arranged on motor support base, and each fixes a lateral frame two ends of two parallel horizontal slide rails, and lateral frame is supporting the two ends of traversing leading screw, and traversing leading screw is also in parallel above horizontal slide rail.
Laterally on slide rail, movable sliding block is housed, above slide block, be fixedly connected with traversing base, traversing leading screw runs through traversing base, above traversing base, be fixedly connected with level angle adjustment structure 13, above level angle adjustment structure, be fixedly connected with height adjusting structure 12 and universal adjustment structure 11, above universal adjustment structure, be connected with lock body pallet 10, lock body pallet is used for being connected and fixed tested lock body.
One end of traversing leading screw is connected with stepper motor output shaft, and the other end is realized threaded engagement with traversing base by two ring flanges 20 and is connected.
Course of action is: stepper motor rotates and drives traversing leading screw to rotate, traversing leading screw rotates again and is threaded and is driven whole traversing base to move by ring flange, traversing base is fixedly connected with slide block, therefore be with movable slider to move stably on slide rail, level angle adjustment structure, height adjusting structure, universal adjustment structure and the lock body pallet that simultaneously traversing base connects above moves together with all, and the tested lock body on lock body pallet also together moves.
Because slide rail friction force is little, motion steady, noise is little, therefore reach accurately, regulate stably lock body lateral attitude.The present embodiment adopts high-precision screw mechanism, and precision reaches 0.1mm.
Fig. 6 is longitudinal adjustment apparatus structural perspective.The function of longitudinal adjustment apparatus is the lengthwise position that regulates key.Longitudinal adjustment apparatus is as shown in Fig. 2, Fig. 3, Fig. 6, and longitudinal adjustment apparatus is by being fixed on motor support base 15 on worktable and two longitudinal slide rails 25,14,2 longitudinal supports 24 of stepper motor, vertical shift leading screw 28, vertical shift base 27, vertical slide block 26, level angle adjustment structure 13, height adjusting structure 12, column 29 and forming perpendicular to the fixture 30 of column.
Motor support base in longitudinal adjustment apparatus, stepper motor, level angle adjustment structure, height adjusting structure have all adopted and structure identical in lateral adjustment device.
The stepper motor of longitudinal adjustment apparatus is arranged on motor support base, and each fixes a longitudinal support 24 two ends of two parallel longitudinal slide rails, and longitudinal support is supporting the two ends of vertical shift leading screw, and vertical shift leading screw is also in parallel above longitudinal slide rail.
Movably vertical slide block is longitudinally housed on slide rail, above vertical slide block, be fixedly connected with vertical shift base, vertical shift leading screw runs through vertical shift base, above vertical shift base, be fixedly connected with level angle adjustment structure, above level angle adjustment structure, be fixedly connected with height adjusting structure and column 29, column upper end is connected with the fixture 30 perpendicular to column, and fixture is used for clamping tested key.
One end of vertical shift leading screw is connected with stepper motor output shaft, and the other end is realized threaded engagement with vertical shift base by two ring flanges 20 and is connected.
Course of action is: stepper motor rotates and drives vertical shift leading screw to rotate, vertical shift leading screw rotates again and is threaded and is driven whole vertical shift base to move by ring flange, vertical shift base is fixedly connected with vertical slide block, therefore drive vertical slide block longitudinally on slide rail, moving stably, level angle adjustment structure, height adjusting structure, column and the fixture that simultaneously vertical shift base connects above moves together with all, and fixture drives tested key also together to move.
Because slide rail friction force is little, motion steady, noise is little, therefore reach accurately, regulate stably key lengthwise position.The present embodiment adopts high-precision screw mechanism, and precision reaches 0.1mm.
Fig. 4 is level angle adjustment structure and height adjusting structure part enlarged drawing.When regulating tested key or tested lock body level angle, level angle adjustment structure uses.
As shown in Figure 4, level angle adjustment structure 13 consists of the lower tray 19, upper tray 18 and the lock-screw 31 that are fixedly connected on traversing base 22 or vertical shift base 27.Lower tray and upper tray consist of the circular iron pan of thick 10mm.
The lower tray of the level angle adjustment structure of lateral adjustment device is fixedly connected on traversing base, and the lower tray of the level angle adjustment structure of longitudinal adjustment apparatus is fixedly connected on vertical shift base.Lower tray is motionless, and upper tray is connected to above lower tray, and can in lower tray, rotate.
A part for upper tray, has penetrating chute 32, and lock-screw 31 is housed in chute, lock-screw lower end withstand on lower tray above.
The lateral surface of lower tray is provided with index dial 33, and the angle that upper tray is rotated can be read by the scale on index dial.After the angle that upper tray is rotated mixes up, tighten lock-screw and fix.Upper tray just can not be rotated again like this, and now in the surface level of tested key or tested lock body, angle is fixed, and the angular adjustment in horizontal plane completes.
As shown in Figure 4, height adjusting structure be arranged on level angle adjustment structure above, described height adjusting structure by housing 40, be contained in the adjusting screw(rod) 35 in housing, the core body 41 protruding upward forms.
Housing is fixed in upper tray, the housing body that is square, and there is threaded hole 43 centre, threaded hole upper end is connected with a square hole 42 vertical with threaded hole, adjusting screw(rod) is housed in threaded hole, and adjusting screw(rod) top increases and forms adjustable side 34, and adjustable side is stretched in square hole and partly to exposing outside.Above adjustable side, be upwards formed with core body 41, housing outside is provided with scale 36.Scale is the displacement of vision-control height accurately, and upper and lower height adjustment range is 0-30mm.
Because adjustable side is positioned at square hole, and it moves up and down with adjusting screw(rod), so the height of housing square hole should be greater than the adjusting height sum of adjustable side thickness and longitudinal adjustment apparatus or lateral adjustment device.
When regulating the height of lateral adjustment device or longitudinal adjustment apparatus, only need to rotate the adjustable side of being exposed by square hole, the adjusting screw(rod) of below, adjustable side will raise or decline along threaded hole, drives core body and longitudinal adjustment apparatus or lateral adjustment device adjustment height.Regulate the displacement of height to be found out by scale.
Fig. 5 is universal adjustment structural perspective.Universal adjustment structure only arranges in lateral adjustment device, when it regulates tested lock body position, applies.Function, for regulating arbitrarily the space angle of all around of tested lock body, regulates the needed angle of tested lock body to reach.
As shown in Figure 5, described universal adjustment structure consists of lower cardan 45 and upper cardan 44.Lower cardan is fixedly connected on the core body 41 of height adjusting structure upper end, and upper cardan and lower cardan are in mating connection.
Test bench for anti-theft of the present invention, forms control desk 1 by programmable PLC controller 2 and host computer 3 touch-screen 47 controllers, and PLC controller is responsible for accepting the order of host computer touch-screen, controls the action of topworks's stepper motor.Concrete control principle is: PLC accepts the various command of host computer, then by PLC innernal CPU, carrying out the high-speed computation line number of going forward side by side processes according to one's analysis and distributes, by special I/O port transmission, to controllor for step-by-step motor, controllor for step-by-step motor control step motor is carried out corresponding action.Controllor for step-by-step motor is in the inside of switch board.Every stepper motor has a controller corresponding with it.
Touch-screen carries out communication with a data line with function of shielding by RS232 interface with PLC controller and is connected, and can carry out real-time exchanges data.
Tested key feeding possesses hand control and automation operating function, and wherein automatic function is that the signal that tested key is touched to antitheft starting switch directly imports PLC controller into by special I/O input port in PLC controller.
Fig. 7 is the vertical view of lateral adjustment device and longitudinal adjustment apparatus; Fig. 8 is schematic block circuit diagram of the present invention.As shown in Figure 7, Figure 8, signals collecting and transmission system: the side at the traversing leading screw 16 of lateral adjustment device 4 and the vertical shift leading screw 28 of longitudinal adjustment apparatus 5 is separately installed with a displacement transducer 37, the follower ends of displacement transducer is fixedly connected with the slide block 23 of lateral adjustment device, the vertical slide block 26 of longitudinal adjustment apparatus respectively, and with slide block, vertical slide block, move respectively, the displacement of displacement transducer is transferred to control desk 1 by data line, and be presented at respectively on digital instrument 48, thereby obtain the feeding displacement of tested key 8; The feeding displacement of tested key, precision can reach 0.1mm.
Tested key enters in tested lock body 9, tested key core sector-meeting makes antitheft coil 39 inductions of tested lock body produce set of pulses signal, this signal is gathered, shows, is stored by the oscillograph 38 of this testing table, and judges that by the flicker frequency difference of the anti-theft display lamp 7 on testing table whether tested key is correct.
Tested key enters also can touch the antitheft starting switch 46 in tested lock body in tested lock body, after being touched, this switch can produce a low level signal, after this low level signal is received by Programmable Logic Controller 2, stepper motor 14 feed-disablings of notice longitudinal adjustment apparatus, tested key stops entering tested lock body, and tested key enters the displacement that touches antitheft starting switch after tested lock body and by Programmable Logic Controller 2, gathered and show in real time on read out instrument 48.
Test bench for anti-theft of the present invention, test process all carries out automatically, and test data shows in real time, and can store, print.
Engine control computer ECU is housed on automobile, when the Intelligent key detecting through test bench for anti-theft of the present invention packs automobile use into, tested key enters in tested lock body, tested key chip makes the antitheft coil-induced generation set of pulses signal of tested lock body, this pulse signal by cable transmission to ECU engine control computer, this signal is used for judging that whether key is correct, and whether ECU can return to a signal and determine to remove antitheft to antitheft coil.If key is correct, the antitheft pilot lamp on automobile extinguishes, and now burglary-resisting system is removed, and engine can be lighted a fire, and start-ups a car.If mistake, antitheft pilot lamp still continues discontinuity flicker, and now burglary-resisting system is not removed, and engine can not be lighted a fire, fail to start automobile.
Claims (5)
1. a test bench for anti-theft, comprise: the control desk, the worktable that by Programmable Logic Controller and host computer touch screen controller, are formed, it is characterized in that being provided with and regulating the lateral adjustment device (4) of tested lock body position and regulate tested key position on worktable (6), and the longitudinal adjustment apparatus vertical with lateral adjustment device (5), also comprise: the signals collecting and the transmission system that are connected with lateral adjustment device, longitudinal adjustment apparatus;
Lateral adjustment device is by motor support base (15) the horizontal slide rail (21) parallel with two being fixed on worktable, be contained in the stepper motor (14) on motor support base, lateral frame (17) by horizontal slide rail two ends supports and runs through traversing base (22), the traversing leading screw (16) parallel with horizontal slide rail, the slide block (23) that is fixedly connected on traversing base below and above moves at horizontal slide rail (21), be fixedly connected on the level angle adjustment structure (13) above traversing base, height adjusting structure (12), universal adjustment structure (11) and lock body pallet (10) form,
Longitudinal adjustment apparatus is by motor support base (15) the longitudinal slide rail (25) parallel with two being fixed on worktable, be contained in the stepper motor (14) on motor support base, longitudinal support (24) by longitudinal slide rail two ends supports and runs through vertical shift base (27), the vertical shift leading screw (28) parallel with longitudinal slide rail, be fixedly connected on vertical shift base below and mobile vertical slide block (26) on longitudinal slide rail, be fixedly connected on the level angle adjustment structure (13) of vertical shift base top, height adjusting structure (12), column (29) and forming perpendicular to the fixture (30) of column,
Signals collecting and transmission system: the side at the traversing leading screw of lateral adjustment device and the vertical shift leading screw of longitudinal adjustment apparatus is separately installed with a displacement transducer (37), the follower ends of displacement transducer is fixedly connected with the slide block of lateral adjustment device, the vertical slide block of longitudinal adjustment apparatus respectively, and with slide block, vertical slide block, move respectively, the displacement of displacement transducer is transferred to control desk by data line, and be presented on digital instrument respectively, thereby obtain the feeding displacement of tested key;
Tested key enters in tested lock body, tested key chip makes the antitheft coil of tested lock body (39) induction produce set of pulses signal, this signal is gathered by the oscillograph (38) of this testing table, show, storage, and judge that by the flicker frequency difference of the anti-theft display lamp on testing table (7) whether tested key is correct, tested key enters also can touch the antitheft starting switch (46) in tested lock body in tested lock body, after being touched, this switch can produce a low level signal, after this low level signal is received by Programmable Logic Controller (2), the stepper motor feed-disabling of notice longitudinal adjustment apparatus, tested key stops entering tested lock body, tested key enters that the displacement that touches antitheft starting switch (46) after tested lock body is gathered by Programmable Logic Controller (2) and shows in real time read out instrument (48) is upper.
2. test bench for anti-theft according to claim 1, it is characterized in that level angle adjustment structure is by being fixedly connected on traversing base or vertical shift base, lateral surface be provided with index dial (33) lower tray (19), on lower tray, rotate and be provided with the upper tray (18) of chute (32) and be contained in lock-screw (31) in chute and form.
3. test bench for anti-theft according to claim 1 and 2, it is characterized in that height adjusting structure is by being fixed on upper tray, centre has the housing (40) of threaded hole (43) and square hole (42), the core body (41) that is contained in adjusting screw(rod) (35) in housing, is connected with adjusting screw(rod) and protrudes upward to form, the top of adjusting screw(rod) increases and forms adjustable side (34), adjustable side is stretched in square hole and partly to exposing outside, and housing outside is provided with scale (36).
4. test bench for anti-theft according to claim 1, is characterized in that universal adjustment structure consists of the lower cardan (45) and the connected upper cardan (44) that are connected to height adjusting structure upper end.
5. test bench for anti-theft according to claim 3, is characterized in that the height of housing square hole should be greater than the adjusting height sum of adjustable side thickness and longitudinal adjustment apparatus or lateral adjustment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110284347.XA CN102435447B (en) | 2011-09-23 | 2011-09-23 | Test bench for anti-theft system of vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110284347.XA CN102435447B (en) | 2011-09-23 | 2011-09-23 | Test bench for anti-theft system of vehicle |
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| CN102435447A CN102435447A (en) | 2012-05-02 |
| CN102435447B true CN102435447B (en) | 2014-04-23 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102914717B (en) * | 2012-11-13 | 2015-07-22 | 天津一汽夏利汽车股份有限公司 | Test bed for electrostatic discharge testing |
| CN104165763B (en) * | 2014-08-20 | 2016-06-22 | 安徽江淮汽车股份有限公司 | A kind of engine hood lock parameter detection device |
| CN109532218B (en) * | 2018-12-05 | 2021-03-26 | 佛山市承骏逸卓纺织有限公司 | A register mechanism that is used for circular screen printer of cotton production |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1266869B1 (en) * | 1994-07-01 | 1997-01-21 | Marelli Autronica | ADDITIONAL SAFETY SYSTEM TO A VEHICLE IMMOBILIZATION SYSTEM |
| JP2004066962A (en) * | 2002-08-06 | 2004-03-04 | Takato Technica:Kk | Automatic radio-operated car antitheft device |
| CN201170753Y (en) * | 2008-02-03 | 2008-12-24 | 合肥安达数控技术有限责任公司 | On-line detection bench for automobile door and lock |
| CN201803853U (en) * | 2010-09-21 | 2011-04-20 | 浙江吉利汽车研究院有限公司 | Key clamp for automobile test |
| CN202339273U (en) * | 2011-09-23 | 2012-07-18 | 天津一汽夏利汽车股份有限公司 | Test bed for testing automobile burglarproof system |
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Effective date of registration: 20151231 Address after: 130011 Changchun Province, West New Economic and Technological Development Zone, Dongfeng Street, No. 2259, No. Patentee after: China FAW Group Corporation Address before: 300380 No. 578 Fu Jing Road, Xiqing District, Tianjin Patentee before: Tianjin Faw Xiali Automobile Co., Ltd. Patentee before: China FAW Group Corporation |