CN202339273U - Test bed for testing automobile burglarproof system - Google Patents
Test bed for testing automobile burglarproof system Download PDFInfo
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- CN202339273U CN202339273U CN2011203583441U CN201120358344U CN202339273U CN 202339273 U CN202339273 U CN 202339273U CN 2011203583441 U CN2011203583441 U CN 2011203583441U CN 201120358344 U CN201120358344 U CN 201120358344U CN 202339273 U CN202339273 U CN 202339273U
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Abstract
A test bed for testing an automobile burglarproof system comprises a programmable controller, an upper computer controller and a worktable, wherein a transverse adjusting device and a longitudinal adjusting device are mounted on the worktable; the test bed further comprises a signal acquisition and transmission system; the transverse adjusting device comprises two transverse sliding rails, a stepper motor, a transverse moving base, a transverse moving screw rod, a sliding block, a horizontal angle adjusting structure, a height adjusting structure, a universal adjusting structure and a locking body tray; the longitudinal adjusting device comprises two longitudinal sliding rails, a stepper motor, a longitudinal moving base, a longitudinal moving screw rod, a longitudinal sliding block, a horizontal angle adjusting structure, a height adjusting structure, an upright post and a clamp; the signal acquisition and transmission system comprises a displacement sensor, a burglarproof coil, an oscilloscope and a burglarproof starting switch; and the displacement generated by a tested key which enters a tested lock body and touches the burglarproof starting switch is acquired by the programmable controller and is displayed on a digital display instrument in real time. According to the test bed disclosed by the utility model, the test of signal acquisition and transmission between the key locking body and the chip and the programmable controller is realized.
Description
Technical field
The utility model belongs to proving installation, particularly relates to test bed that a kind of motor car engine Intelligent key burglary-resisting system accurately detects.
Background technology
Along with developing of automobile industry, the motor car engine burglary-resisting system is used gradually, and the use of Intelligent key is guarded against theft to automobile intelligent and played great role.But its stability and reliability in use is most important, if burglary-resisting system breaks down, will cause vehicle to start.
As-Is is that theftproof chip and key lock body mechanism and engine control computer (ECU) etc. are provided by different production producer; The production company of each product all can only carry out quality and performance detection to the product of oneself; Can't comprehensively detect whole Intelligent key burglary-resisting system; Though these products are when independent performance test; Quality is no problem, but the transmission of the signals collecting between key lock body mechanism and chip, the engine control computer (ECU) can't realize that all these problems parts producer often can't detect with insurmountable behind the car load of packing into.Generally be to lean on the quality inspection personnel of car load producer manually perhaps to adopt the experience judgment mode to carry out the measurement of Intelligent key, check at present in the prior art, lack the instrument detecting means of comparison science, the test of whole Intelligent key burglary-resisting system is still far from perfect.
Summary of the invention
The utility model for solve the technical matters that exists in the prior art provide a kind of to motor car engine Intelligent key burglary-resisting system accurately detect test bed.
The technical scheme that the utility model is taked for the technical matters that exists in the solution prior art is: the utility model automotive theft proof system is test bed; Comprise: control desk, the worktable formed by Programmable Logic Controller and host computer touch screen controller; The lateral adjustment device and the tested key position of adjusting of regulating tested lock body position are installed on its worktable; 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 be fixed on motor bearing on the worktable horizontal slide rail parallel, be contained in stepper motor on the motor bearing with two, lateral frame through 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 the slide block that on horizontal slide rail, moves, level angle adjustment structure, height adjusting structure, universal adjustment structure and the lock body pallet that is fixedly connected on above the traversing base constitutes;
Longitudinal adjustment apparatus by be fixed on motor bearing on the worktable vertical slide rail parallel, be contained in stepper motor on the motor bearing with two, longitudinal support through vertical slide rail two ends supports and run through the vertical shift base, the vertical shift leading screw parallel with vertical slide rail, be fixedly connected on vertical shift base below and the vertical slide block that on vertical slide rail, moves, be fixedly connected on level angle adjustment structure above the vertical shift base, height adjusting structure, column and constitute perpendicular to the anchor clamps of column;
Signals collecting and transmission system: the side at the vertical shift leading screw of the traversing leading screw of lateral adjustment device and 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 move with slide block, vertical slide block respectively; The displacement of displacement transducer is transferred to control desk through data line, and is presented on the digital instrument respectively, thereby obtains the feeding displacement of tested key;
Tested key gets in the tested lock body; Tested key chip makes the tested lock body coil-induced generation set of pulses signal of guarding against theft; This signal is by oscillograph collection, demonstration, the storage of this testing table; And judge through the flicker frequency difference of the antitheft display lamp on the testing table whether tested key is correct, tested key gets into the antitheft starting switch that also can touch in the tested lock body in the tested lock body, can produce a low level signal after this switch is touched; After this low level signal is received by Programmable Logic Controller; The stepper motor feed-disabling of notice longitudinal adjustment apparatus, tested key stops to get into tested lock body, and tested key gets into the displacement that touches the antitheft starting switch behind the tested lock body and shows in real time by the Programmable Logic Controller collection and on read out instrument.
Described level angle adjustment structure is by being fixedly connected on traversing base or the vertical shift base, and lateral surface is provided with the lower tray of index dial, on lower tray, rotates and be provided with the upper tray of chute and be contained in the lock-screw formation in the chute.
Described height adjusting structure is by being fixed on upper tray; The centre has the housing of threaded hole and square hole, the core body that is contained in the interior adjusting screw(rod) of housing, is connected with adjusting screw(rod) and upwards stretches out to constitute; The top of adjusting screw(rod) increases and forms the adjustable side; The adjustable side stretches in the square hole and partly to exposing outside, the housing outside is provided with scale.
Described universal adjustment structure is made up of the lower cardan and the connected upper cardan that are connected the 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 the good effect that the utlity model has are:
The utility model automotive theft proof system is test bed, has the following advantages:
1, realized the test of the signals collecting transmission between key lock body mechanism and chip, the PLC Programmable Logic Controller.
2, owing to adopt high precision lead screw transmission and PLC Programmable Logic Controller to control automatically, so the feeding displacement that key gets into lock body can accurately control, and its amount of feeding precision can reach 0.1mm.
3, the utility model adopts the control desk that PLC Programmable Logic Controller and host computer touch screen controller are formed, so test process has been realized automatic control.
4, after key got into lock body shake-up antitheft starting switch, the low level signal that sends directly was transferred to PLC, and the response time can accomplish in 0.3ms, therefore can realize the accurate control to whole test process.
Description of drawings
Fig. 1 is the test bed front view of the utility model automotive theft proof system;
Fig. 2 is the stereographic map of the utility model lateral adjustment device 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 the universal adjustment structural perspective;
Fig. 6 is the longitudinal adjustment apparatus structural perspective;
Fig. 7 is the vertical view of lateral adjustment device and longitudinal adjustment apparatus;
Fig. 8 is the schematic block circuit diagram of the utility model.
Critical piece symbol description in the accompanying drawing:
1: control chart 2: Programmable Logic Controller 3: host computer
4: lateral adjustment device 5: longitudinal adjustment apparatus 6: worktable
7: antitheft 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 bearing 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: vertical slide rail 26: vertical slide block
27: vertical shift base 28: vertical shift leading screw 29: column
30: anchor clamps 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
Followingly the utility model is carried out detailed explanation with reference to accompanying drawing and embodiment.
Fig. 1 is the test bed front view of the utility model automotive theft proof system.The utility model automotive theft proof system is test bed; As shown in Figure 1; Comprise: control desk 1, the worktable 6 formed by Programmable Logic Controller 2 and host computer touch screen controller 3; The lateral adjustment device 4 and the tested key position of adjusting of regulating tested lock body position are installed on the worktable 6, 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 the utility model lateral adjustment device 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 to regulate the lateral attitude of lock body.Like Fig. 2, shown in Figure 3, lateral adjustment device by be fixed on the horizontal slide rail of motor bearing 15 and two on the worktable 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 constitute.
Stepper motor is installed on the motor bearing, each fixing lateral frame of the 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 the slide rail movable sliding block is housed; Be fixedly connected with traversing base above the slide block; Traversing leading screw runs through traversing base, is fixedly connected with level angle adjustment structure 13 above the traversing base, is fixedly connected with height adjusting structure 12 and universal adjustment structure 11 above the level angle adjustment structure; Be connected with lock body pallet 10 above the universal adjustment structure, the lock body pallet is used for connecting fixing tested lock body.
One end of traversing leading screw is connected with the stepper motor output shaft, and the other end realizes that through two ring flanges 20 threaded engagement is connected with traversing base.
Course of action is: stepper motor rotates and drives traversing leading screw rotation; Traversing leading screw rotates again to be threaded through ring flange and drives whole traversing base and move; Traversing base is fixedly connected with slide block; Therefore drive slide block and on slide rail, move stably, level angle adjustment structure, height adjusting structure, universal adjustment structure and the lock body pallet that connects above the traversing base simultaneously all moves together, and the tested lock body on the lock body pallet also together moves.
Because slide rail friction force is little, motion is steady, noise is little, therefore reaches accurately, regulates stably the lock body lateral attitude.Present embodiment adopts high-precision screw mechanism, and precision reaches 0.1mm.
Fig. 6 is the longitudinal adjustment apparatus structural perspective.The function of longitudinal adjustment apparatus is the lengthwise position of regulating key.Longitudinal adjustment apparatus such as Fig. 2, Fig. 3, shown in Figure 6, longitudinal adjustment apparatus is by being fixed on the vertical slide rail of motor bearing 15 and two on the worktable 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 constituting perpendicular to the anchor clamps 30 of column.
Motor bearing in the longitudinal adjustment apparatus, stepper motor, level angle adjustment structure, height adjusting structure all adopted with lateral adjustment device in identical structure.
The stepper motor of longitudinal adjustment apparatus is installed on the motor bearing, each fixing longitudinal support 24 of the two ends of two parallel vertical slide rails, and longitudinal support is supporting the two ends of vertical shift leading screw, and the vertical shift leading screw is also in parallel above vertical slide rail.
Movably vertical slide block vertically is housed on the slide rail; Be fixedly connected with the vertical shift base above the vertical slide block; The vertical shift leading screw runs through the vertical shift base, is fixedly connected with the level angle adjustment structure above the vertical shift base, is fixedly connected with height adjusting structure and column 29 above the level angle adjustment structure; The column upper end is connected with the anchor clamps 30 perpendicular to column, and anchor clamps are used for clamping tested key.
One end of vertical shift leading screw is connected with the stepper motor output shaft, and the other end realizes that through two ring flanges 20 threaded engagement is connected with the vertical shift base.
Course of action is: stepper motor rotates and drives the rotation of vertical shift leading screw; The vertical shift leading screw rotates again to be threaded through ring flange and drives whole vertical shift base and move; The vertical shift base is fixedly connected with vertical slide block; Therefore drive vertical slide block and vertically moving stably on the slide rail, the level angle adjustment structure, height adjusting structure, column and the anchor clamps that connect above the base of vertical shift simultaneously all move together, and anchor clamps drive tested key and also together move.
Because slide rail friction force is little, motion is steady, noise is little, therefore reaches accurately, regulates stably the key lengthwise position.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, the level angle adjustment structure uses.
As shown in Figure 4, level angle adjustment structure 13 is made up of the lower tray 19, upper tray 18 and the lock-screw 31 that are fixedly connected on traversing base 22 or the vertical shift base 27.Lower tray and upper tray are made up 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 the traversing base, and the lower tray of the level angle adjustment structure of longitudinal adjustment apparatus is fixedly connected on the vertical shift base.Lower tray is motionless, and upper tray is connected above the lower tray, and can on lower tray, rotate.
The part of upper tray has penetrating chute 32, and lock-screw 31 is housed in the chute, the 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 the 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 this moment, the interior angle of surface level of tested key or tested lock body was fixed, and the angular adjustment in the horizontal plane is accomplished.
As shown in Figure 4, height adjusting structure be installed in the level angle adjustment structure above, described height adjusting structure by housing 40, be contained in the adjusting screw(rod) 35 in the housing, the core body 41 that upwards stretches out constitutes.
Housing is fixed on the 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 the threaded hole, and adjusting screw(rod) top increases and forms adjustable side 34, and the adjustable side is stretched in the square hole also partly to exposing outside.Upwards be formed with core body 41 above the adjustable side, the housing outside is provided with scale 36.Scale can show the displacement of regulating height accurately, and height adjustment range is 0-30mm up and down.
Because the 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 of adjustable side thickness and longitudinal adjustment apparatus or lateral adjustment device sum highly.
When regulating the height of lateral adjustment device or longitudinal adjustment apparatus; Only need to rotate the adjustable side of exposing 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.Regulating the displacement of height can be found out by scale.
Fig. 5 is the universal adjustment structural perspective.The universal adjustment structure only is provided with in lateral adjustment device, uses when it regulates tested lock body position.Function is regulated the needed angle of tested lock body for regulating the space angle of all around of tested lock body arbitrarily to reach.
As shown in Figure 5, described universal adjustment structure is made up 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 matches with lower cardan and is connected.
The utility model automotive theft proof system is test bed, constitutes control desk 1 by programmable PLC controller 2 and host computer 3 touch-screens 47 controllers, and the PLC controller is responsible for accepting the order of host computer touch-screen, the action of control executing mechanism stepper motor.Concrete control principle is: PLC accepts the various command of host computer; Carry out high-speed computation go forward side by side line data analyzing and processing and distribution through the PLC innernal CPU then; To controllor for step-by-step motor, controllor for step-by-step motor control step motor is carried out corresponding action through special I/O port transmission.Controllor for step-by-step motor is in the inside of switch board.Every stepper motor all has a controller corresponding with it.
Touch-screen and PLC controller carry out communication with the data line of a band function of shielding through the RS232 interface and are connected, and can carry out real-time exchanges data.
Tested key feeding possesses manually and operating function automatically, and wherein automatic function is directly to import the signal that tested key touches the antitheft starting switch into the PLC controller through a special I/O input port in the PLC controller.
Fig. 7 is the vertical view of lateral adjustment device and longitudinal adjustment apparatus; Fig. 8 is the schematic block circuit diagram of the utility model.Like Fig. 7, shown in Figure 8; Signals collecting and transmission system: the side at the vertical shift leading screw 28 of traversing leading screw of lateral adjustment device 4 16 and 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 move with slide block, vertical slide block respectively; The displacement of displacement transducer is transferred to control desk 1 through data line, and is presented at respectively on the digital instrument 48, thereby obtains the feeding displacement of tested key 8; The feeding displacement of tested key, precision can reach 0.1mm.
Tested key enters in the tested lock body 9; Tested key core sector-meeting makes 39 inductions of tested lock body antitheft coil produce set of pulses signal; This signal is gathered, shows, is stored by the oscillograph 38 of this testing table, and judges through the flicker frequency difference of the antitheft display lamp 7 on the testing table whether tested key is correct.
Tested key gets into the antitheft starting switch 46 that also can touch in the tested lock body in the 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 to get into tested lock body, and tested key gets into the displacement that touches the antitheft starting switch behind the tested lock body and is gathered by Programmable Logic Controller 2 and on read out instrument 48, show in real time.
The utility model automotive theft proof system is test bed, and test process all carries out automatically, and test data shows in real time, and can store, print.
Engine control computer ECU is housed on the automobile; When packing the automobile use into through the Intelligent key of the test bed detection of automotive theft proof system of the present invention; Tested key enters in the tested lock body, and tested key chip makes the tested lock body coil-induced generation set of pulses signal of guarding against theft, and this pulse signal is given the ECU engine control computer through cable transmission; This signal is used for judging whether key is correct, and ECU can return a signal and whether remove antitheft for the decision of antitheft coil.Antitheft pilot lamp on the automobile extinguishes if key is correct, and this moment, burglary-resisting system was removed, and engine can be lighted a fire, and start-ups a car.If mistake then the pilot lamp of guarding against theft still continue the discontinuity flicker, this moment, burglary-resisting system was not removed, and engine can not be lighted a fire, the fail to start automobile.
Claims (5)
1. an automotive theft proof system is test bed; Comprise: control desk, the worktable formed by Programmable Logic Controller and host computer touch screen controller; It is characterized in that being equipped with on the worktable (6) lateral adjustment device (4) of regulating tested lock body position and regulate tested key position; 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 by be fixed on motor bearing (15) on the worktable horizontal slide rail (21) parallel, be contained in stepper motor (14) on the motor bearing with two, lateral frame (17) through horizontal slide rail two ends supports and run through traversing base (22), the traversing leading screw (16) parallel, be fixedly connected on traversing base below and go up the slide block (23) that moves, be fixedly connected on level angle adjustment structure (13), height adjusting structure (12), universal adjustment structure (11) and lock body pallet (10) formation above the traversing base at horizontal slide rail (21) with horizontal slide rail;
Longitudinal adjustment apparatus by be fixed on motor bearing (15) on the worktable vertical slide rail (25) parallel, be contained in stepper motor (14) on the motor bearing with two, longitudinal support (24) through vertical slide rail two ends supports and run through vertical shift base (27), the vertical shift leading screw (28) parallel, be fixedly connected on vertical shift base below and the vertical slide block (26) that on vertical slide rail, moves, the level angle adjustment structure (13) that is fixedly connected on vertical shift base top, height adjusting structure (12), column (29) and constitute perpendicular to the anchor clamps (30) of column with vertical slide rail;
Signals collecting and transmission system: the side at the vertical shift leading screw of the traversing leading screw of lateral adjustment device and 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 move with slide block, vertical slide block respectively; The displacement of displacement transducer is transferred to control desk through data line, and is presented on the digital instrument respectively, thereby obtains the feeding displacement of tested key;
Tested key gets in the tested lock body; Tested key chip makes tested lock body antitheft coil (39) induction produce set of pulses signal; This signal is gathered, shows, is stored by the oscillograph (38) of this testing table; And judge through the flicker frequency difference of the antitheft display lamp (7) on the testing table whether tested key is correct, tested key gets into the antitheft starting switch (46) that also can touch in the tested lock body in the tested lock body, can produce a low level signal after this switch is touched; 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 to get into tested lock body, and tested key gets into that the displacement that touches antitheft starting switch (46) behind the tested lock body is gathered by Programmable Logic Controller (2) and goes up in real time at read out instrument (48) and shows.
2. automotive theft proof system according to claim 1 is test bed; It is characterized in that the level angle adjustment structure by being fixedly connected on traversing base or the vertical shift base, lateral surface is provided with the lower tray (19) of index dial (33), on lower tray, rotates and be provided with the upper tray (18) of chute (32) and be contained in lock-screw (31) formation in the chute.
3. automotive theft proof system according to claim 1 and 2 is test bed; It is characterized in that height adjusting structure is by being fixed on upper tray; The centre has the housing (40) of threaded hole (43) and square hole (42), the core body (41) that is contained in the interior adjusting screw(rod) (35) of housing, is connected with adjusting screw(rod) and upwards stretches out to constitute; The top of adjusting screw(rod) increases and forms adjustable side (34), and the adjustable side stretches in the square hole and partly to exposing outside, the housing outside is provided with scale (36).
4. automotive theft proof system according to claim 1 is test bed, it is characterized in that the universal adjustment structure is made up of lower cardan (45) that is connected the height adjusting structure upper end and connected upper cardan (44).
5. automotive theft proof system according to claim 3 is test bed, it 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 |
|---|---|---|---|
| CN2011203583441U CN202339273U (en) | 2011-09-23 | 2011-09-23 | Test bed for testing automobile burglarproof system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203583441U CN202339273U (en) | 2011-09-23 | 2011-09-23 | Test bed for testing automobile burglarproof system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202339273U true CN202339273U (en) | 2012-07-18 |
Family
ID=46487964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203583441U Withdrawn - After Issue CN202339273U (en) | 2011-09-23 | 2011-09-23 | Test bed for testing automobile burglarproof system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202339273U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435447A (en) * | 2011-09-23 | 2012-05-02 | 天津一汽夏利汽车股份有限公司 | Test bench for anti-theft system of vehicle |
| CN103033747A (en) * | 2012-12-25 | 2013-04-10 | 昆山三多乐电子有限公司 | Performance test jig of motor sub-assembly for copying machine to convey paper |
-
2011
- 2011-09-23 CN CN2011203583441U patent/CN202339273U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435447A (en) * | 2011-09-23 | 2012-05-02 | 天津一汽夏利汽车股份有限公司 | Test bench for anti-theft system of vehicle |
| CN103033747A (en) * | 2012-12-25 | 2013-04-10 | 昆山三多乐电子有限公司 | Performance test jig of motor sub-assembly for copying machine to convey paper |
| CN103033747B (en) * | 2012-12-25 | 2015-02-25 | 昆山三多乐电子有限公司 | Performance test jig of motor sub-assembly for copying machine to convey paper |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120718 Effective date of abandoning: 20140423 |
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| RGAV | Abandon patent right to avoid regrant |