CN104977428A - Full-automatic testing apparatus of automotive crash sensor - Google Patents
Full-automatic testing apparatus of automotive crash sensor Download PDFInfo
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- CN104977428A CN104977428A CN201510377604.2A CN201510377604A CN104977428A CN 104977428 A CN104977428 A CN 104977428A CN 201510377604 A CN201510377604 A CN 201510377604A CN 104977428 A CN104977428 A CN 104977428A
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Abstract
Disclosed in the invention is a full-automatic testing apparatus of an automotive crash sensor. The full-automatic testing apparatus is provided with a test platform for testing a station. A main control circuit, a first gear wheel, a second gear wheel, a first motor, a second motor, a first eccentric motor, and a second eccentric motor are arranged on the test platform; the first gear wheel and the second gear wheel are engaged with a light crash adjusting knob and a heavy crash adjusting knob; the first motor and the second motor respectively drive the first gear wheel and the second gear wheel; and the first eccentric motor and the second eccentric motor respectively simulate the light crash and heavy crash. The main control circuit consists of a power supply circuit, a starting switch, a control chip, a qualified display lamp, and an unqualified display lamp. With the apparatus, during automotive crash sensor testing, connection of an automotive alarm host is not required and thus the operator does not need to wait for the standby and alarm time of the automotive alarm host. Moreover, full-automatic operation of the test is realized. The manual adjustment of the knobs and impact on the automotive crash sensor are not needed, so that the production efficiency is substantially improved; and 1200 automotive crash sensors can be tested by one worker one day.
Description
Technical field
The present invention relates to field tests, specifically a kind of full-automatic testing device of vehicle collision inductor.
Background technology
Vehicle collision inductor and acceleration transducer, as shown in Figure 1, vehicle collision inductor 100 has sensor body 10, and the shell of sensor body 10 is provided with jog and hits adjusting knob 11, heavily clashes into adjusting knob 12 and circuit interface 13.By this circuit interface 13, inductor is accessed vehicle microcomputer controller during use, the acceleration signal of this acceleration transducer is detected in real time by vehicle microcomputer controller, when vehicle microcomputer controller judges that accekeration exceedes air bag activation threshold value, i.e. triggering secure air bag, carries out security protection to the personnel of riding.In order to ensure that in running car, vehicle collision inductor normally can play its effect, needs to carry out performance test to vehicle collision inductor in a pre-installation.
In prior art, be generally tested by access vehicle alarm main frame during the test of vehicle collision inductor, after access, automobile remote controllers locked, wait 10S to enter holding state, test could be started.And jog hits and heavily clash into and can only be tested by hand simulation weight shock, sensitivity also wants manual adjustment to test again.When testing, first hit adjusting knob 11 by jog and jog is hit sensitivity be transferred to maximum, and be transferred to minimum by heavily clashing into adjusting knob 12 by heavily clashing into sensitivity, rap shock inductor, test jog hits function.When vehicle alarm host test is to when having jog to hit, can be reported to the police 20S, stop alarm can not be forced in this 20S, after 20S terminates, hit adjusting knob 11 by jog again jog is hit sensitivity to be transferred to minimum, and be transferred to maximum by heavily clashing into adjusting knob 12 by heavily clashing into sensitivity, heavily strike shock inductor, test heavily clashes into function.
To sum up, there is the test duration long in existing this method of testing, ineffective problem, and workman can only test the shock inductor of about 300 for one day.
Summary of the invention
The object of this invention is to provide a kind of full-automatic testing device of vehicle collision inductor, it can shorten the test duration of vehicle collision inductor, increases work efficiency.
To achieve these goals, the present invention adopts following technical scheme:
The full-automatic testing device of vehicle collision inductor, there is test platform, this test platform is provided with the test station in order to fixing vehicle collision inductor, this test platform is also provided with governor circuit, the first gear that adjusting knob is meshed is hit with the jog of vehicle collision inductor, with vehicle collision inductor heavily clash into the second gear that adjusting knob is meshed, for driving the first motor of the first gear, for driving the second motor of the second gear, for simulating the first eccentric motor heavily clashed into, and for simulating the second eccentric motor that jog hits;
Governor circuit comprises power circuit, starting switch, control chip, qualified display lamp and defective display lamp, be that whole proving installation is powered by power circuit, starting switch is connected to the startup input end of control chip, the circuit interface of vehicle collision inductor is connected to the test input of control chip, and the first motor, the second motor, the first eccentric motor, the second eccentric motor, qualified display lamp and defective display lamp are connected to the corresponding output end of control chip.
After adopting such scheme, the full-automatic testing device of vehicle collision inductor of the present invention, each motor is controlled by setting sequential working by governor circuit, substitute manual shift light (weight) by motor and gear and clash into adjusting knob, the sensitivity of light (weight) shock is adjusted to maximum or minimum, and by eccentric motor simulate heavily clash into and jog hit, the heavily shock of this simulation or jog hit and are passed to vehicle collision inductor by test platform, vehicle collision inductor exports induced signal to governor circuit after sensing and clashing into, judge test result by governor circuit and shown intuitively by display lamp.
The present invention is the proving installation aiming at vehicle collision inductor design, without the need to accessing vehicle alarm main frame during the test of vehicle collision inductor, thus without the need to waiting for the standby of vehicle alarm main frame and time of fire alarming, and can fully automatic operation during test, clash into without the need to manual shift knob with to vehicle collision inductor, substantially increase production efficiency, a workman can test 1200 vehicle collision inductors for one day.
Accompanying drawing explanation
Fig. 1 is the structural representation of vehicle collision inductor;
Fig. 2 is structural representation of the present invention;
Fig. 3 is application schematic diagram of the present invention;
Fig. 4 is circuit theory diagrams of the present invention.
Embodiment
The full-automatic testing device of vehicle collision inductor of the present invention, as in Figure 2-4, has test platform 20, this test platform 20 is provided with the test station 201 in order to fixing vehicle collision inductor 100.This test platform 20 is also provided with governor circuit 27, the first gear 21 that adjusting knob 11 is meshed is hit with the jog of vehicle collision inductor, with vehicle collision inductor heavily clash into the second gear 22 that adjusting knob 12 is meshed, for driving the first motor 26 of the first gear 21, for driving the second motor 25 of the second gear 22, for simulating the first eccentric motor 23 heavily clashed into, and for simulating the second eccentric motor 24 that jog hits.
The upper left corner of test platform 20 is provided with four locking parts 202, and these four locking parts 202 correspond respectively to four angles of sensor body 10, and the region that these four locking parts 202 surround is test station 201.These four locking parts 202 can adopt conventional locking part, as long as vehicle collision inductor 100 can be locked in test station 201.
First motor 26 and the second motor 25 are fixed on the position near vehicle collision inductor 100 on test platform 20 respectively by installing plate, and the output shaft of the first motor 26 is connected with the rotating shaft of the first gear 21, the output shaft of the second motor 25 is connected with the rotating shaft of the second gear 22.The tooth that first gear 21 and jog hit on adjusting knob 11 is meshed, and the second gear 22 is meshed with the heavy tooth clashed on adjusting knob 12.First gear 21 controls to carry out left rotation and right rotation by the first motor 26 (DJ4), and the second gear 22 controls to carry out left rotation and right rotation by the second motor 25 (DJ3).
First eccentric motor 23 (DJ1) and the second eccentric motor 24 (DJ2) are all installed on test platform 20,3rd motor 23 and the 4th motor 24 can be installed on the optional position on test platform 20 in theory, in order to improve measurement sensitivity, the first eccentric motor 23 and the second eccentric motor 24 can be installed on the position near vehicle collision inductor 100 on test platform 20.
Governor circuit 27 comprises power circuit, starting switch S1, control chip U2, qualified display lamp D1 and defective display lamp D2.Be that whole proving installation is powered by power circuit, starting switch S1 is connected to the startup input end of control chip U2, the circuit interface 13 of vehicle collision inductor is connected to the test input of control chip U2, and the first motor 26, second motor 25, first eccentric motor 23, second eccentric motor 24, qualified display lamp D1 and defective display lamp D2 are connected to the corresponding output end of control chip U2.
Particularly:
12V direct current by circuit interface J1 input power circuit, carries out step-down through power supply chip U1 (78L05) and generates 5V direct current for whole proving installation and provide working power.
Controlling control chip U2 (PIC16F1823) the 1st pin is 5V power supply input pin.Control chip U2 the 14th pin is for connecing GND pin.Control chip U2 the 2nd pin connects the circuit interface 13 of vehicle collision inductor 100 by circuit interface J2, hits input for the jog reading vehicle collision inductor 100; Control chip U2 the 3rd pin connects the circuit interface 13 of vehicle collision inductor 100 by circuit interface J2, for reading the heavily shock input of vehicle collision inductor 100.Control chip U2 the 9th pin connects the first motor D J4, for controlling the first motor D J4 left rotation and right rotation.Control chip U2 the 10th pin connects the second motor D J3, for controlling the second motor D J3 left rotation and right rotation.Control chip U2 the 11st pin connects the second eccentric motor DJ2, rotates for controlling the second eccentric motor DJ2.Control chip U2 the 12nd pin connects the first eccentric motor DJ1, rotates for controlling the first eccentric motor DJ1.Control chip U2 the 6th pin connects qualified display lamp (green light) D1, controls qualified display lamp D1 light on and off.Control chip U2 the 7th pin connects defective display lamp (red light) D2, controls defective display lamp D2 light on and off.Control chip U2 the 5th pin connects starting switch S1, for reading the state of starting switch S1.
When the present invention uses, vehicle collision inductor 100 is placed in test station 201, carries out locking location by four locking parts 202.Again the circuit interface J3 of vehicle collision inductor 100 is connected with the circuit interface J2 of governor circuit 27 by line row, the circuit interface J1 of governor circuit 27 is accessed 12V direct current, after pressing start button S1, namely starts automatically to test.
First, control chip U2 drives (counterclockwise) rotation left of the first gear 21 by 9 foot control system first motor D J4, thus drive the jog of vehicle collision inductor 100 to hit adjusting knob 11 (clockwise) rotation to the right, jog is hit sensitivity and be transferred to maximum; Simultaneously, control chip U2 drives (clockwise) rotation to the right of the second gear 22 by 10 foot control system second motor D J3, driving heavily shock adjusting knob 12 (counterclockwise) rotation left of clashing into inductor 100, being transferred to minimum by heavily clashing into sensitivity.Then, control chip U2 is shaken by 11 foot control system second eccentric motor DJ2, simulation jog hits environment, vibrations are passed to vehicle collision inductor 100 by test platform 20, export jog by circuit interface 13 after vehicle collision inductor 100 senses vibrations and hit induced signal to the 2nd pin of control chip U2, the program preset according to control chip U2, control chip U2 reads and hits induction to jog after this jog hits induced signal and whether normally to judge and record, and the judgment mode adopted and recording mode can be known conventional means.In the present embodiment, control chip U2 reads after this jog hits induced signal and is recorded as state A, if vehicle collision inductor 100 jog hits induction normally, then vehicle collision inductor 100 exports high level to control chip U2, A is designated as 1, if it is abnormal that vehicle collision inductor 100 jog hits induction, then vehicle collision inductor 100 output low level is to control chip U2, and A is designated as 0.Then, control chip U2 drives (clockwise) rotation to the right of the first gear 21 by 9 foot control system first motor D J4, thus drive the jog of vehicle collision inductor 100 to hit adjusting knob 11 (counterclockwise) rotation left, jog is hit sensitivity and be transferred to minimum; Simultaneously, control chip U2 drives (counterclockwise) rotation left of the second gear 22 by 10 foot control system second motor D J3, driving heavily shock adjusting knob 12 (clockwise) rotation to the right of clashing into inductor 100, being transferred to maximum by heavily clashing into sensitivity.Then, control chip U2 is shaken by 12 foot control system first eccentric motor DJ1, simulation heavily clashes into environment, vibrations are passed to vehicle collision inductor 100 by test platform 20, exported by circuit interface 13 after vehicle collision inductor 100 senses vibrations and heavily clash into induced signal to the 3rd pin of control chip U2, the program preset according to control chip U2, after control chip U2 reads this heavy shock induced signal, whether normal the carrying out of counterweight shock induction judges and record, and the judgment mode adopted and recording mode can be known conventional means.In the present embodiment, control chip U2 is recorded as state B after reading this heavy shock induced signal, if vehicle collision inductor 100 heavily clashes into induction normally, then vehicle collision inductor 100 exports high level to control chip U2, B is designated as 1, if it is abnormal that vehicle collision inductor 100 heavily clashes into induction, then vehicle collision inductor 100 output low level is to control chip U2, and B is designated as 0.Finally, control chip U2, by judgement state A and B, if state A and B is value is 1, is effective status, is then lighted by control chip U2 the 6th foot control system qualified display lamp (green light) D1, and vehicle collision inductor 100 is by test; If state A and B value are disarmed state when having at least one to be 0, then lighted by control chip U2 the 7th foot control system defective display lamp (red light) D2, vehicle collision inductor 100 is not by test.
After having tested, change vehicle collision inductor 100, press start button S1, the vehicle collision inductor 100 newly changed is tested automatically, so goes round and begins again.
Claims (1)
1. the full-automatic testing device of vehicle collision inductor, it is characterized in that: there is test platform, this test platform is provided with the test station in order to fixing vehicle collision inductor, this test platform is also provided with governor circuit, the first gear that adjusting knob is meshed is hit with the jog of vehicle collision inductor, with vehicle collision inductor heavily clash into the second gear that adjusting knob is meshed, for driving the first motor of the first gear, for driving the second motor of the second gear, for simulating the first eccentric motor heavily clashed into, and for simulating the second eccentric motor that jog hits,
Governor circuit comprises power circuit, starting switch, control chip, qualified display lamp and defective display lamp, be that whole proving installation is powered by power circuit, starting switch is connected to the startup input end of control chip, the circuit interface of vehicle collision inductor is connected to the test input of control chip, and the first motor, the second motor, the first eccentric motor, the second eccentric motor, qualified display lamp and defective display lamp are connected to the corresponding output end of control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510377604.2A CN104977428B (en) | 2015-07-01 | 2015-07-01 | Vehicle collision inductor full-automatic testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510377604.2A CN104977428B (en) | 2015-07-01 | 2015-07-01 | Vehicle collision inductor full-automatic testing device |
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| CN104977428A true CN104977428A (en) | 2015-10-14 |
| CN104977428B CN104977428B (en) | 2017-12-01 |
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| CN201510377604.2A Active CN104977428B (en) | 2015-07-01 | 2015-07-01 | Vehicle collision inductor full-automatic testing device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1539542A1 (en) * | 1966-02-15 | 1969-09-18 | Hofstaetter Franz Kurt | High or low voltage gas discharge lamps or tubes or luminescent lamps |
| DE4134902A1 (en) * | 1990-11-29 | 1992-06-04 | Mitsubishi Electric Corp | Arrangement for detecting vehicle impact - contains acceleration and motion sensors whose signals are compared to detect acceleration sensor faults, for use with air bag system |
| JPH0933567A (en) * | 1995-07-21 | 1997-02-07 | Akebono Brake Ind Co Ltd | Method and device for inspecting sensor chip of semiconductor acceleration sensor |
| JPH10160748A (en) * | 1996-12-03 | 1998-06-19 | Oki Electric Ind Co Ltd | Impact sensor |
| US5983724A (en) * | 1996-12-03 | 1999-11-16 | Oki Electric Industry Co., Ltd. | Shock sensor with rotating magnetorestrictive effect element |
| CN204789624U (en) * | 2015-07-01 | 2015-11-18 | 泉州市明佳电子科技有限公司 | Full -automatic testing arrangement of automobile -used striking inductor |
-
2015
- 2015-07-01 CN CN201510377604.2A patent/CN104977428B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1539542A1 (en) * | 1966-02-15 | 1969-09-18 | Hofstaetter Franz Kurt | High or low voltage gas discharge lamps or tubes or luminescent lamps |
| DE4134902A1 (en) * | 1990-11-29 | 1992-06-04 | Mitsubishi Electric Corp | Arrangement for detecting vehicle impact - contains acceleration and motion sensors whose signals are compared to detect acceleration sensor faults, for use with air bag system |
| JPH0933567A (en) * | 1995-07-21 | 1997-02-07 | Akebono Brake Ind Co Ltd | Method and device for inspecting sensor chip of semiconductor acceleration sensor |
| JPH10160748A (en) * | 1996-12-03 | 1998-06-19 | Oki Electric Ind Co Ltd | Impact sensor |
| US5983724A (en) * | 1996-12-03 | 1999-11-16 | Oki Electric Industry Co., Ltd. | Shock sensor with rotating magnetorestrictive effect element |
| CN204789624U (en) * | 2015-07-01 | 2015-11-18 | 泉州市明佳电子科技有限公司 | Full -automatic testing arrangement of automobile -used striking inductor |
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| Publication number | Publication date |
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| CN104977428B (en) | 2017-12-01 |
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Effective date of registration: 20170927 Address after: 362000, Fujian Quanzhou economic and Technological Development Zone incubator base 1 building building 405th, 406th Applicant after: Quanzhou City Fuliantian Electronic Science & Technology Co., Ltd. Address before: 362000 B block of Jiangnan hi tech Information Industry Park, Licheng District, Quanzhou, Fujian Applicant before: Quanzhou Mingjia Elcetronic Technology Co.,Ltd. |
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