CN203930499U - A kind of automobile safety air sac controller diagnostic device - Google Patents
A kind of automobile safety air sac controller diagnostic device Download PDFInfo
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- CN203930499U CN203930499U CN201420322668.3U CN201420322668U CN203930499U CN 203930499 U CN203930499 U CN 203930499U CN 201420322668 U CN201420322668 U CN 201420322668U CN 203930499 U CN203930499 U CN 203930499U
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- 210000004712 air sac Anatomy 0.000 title claims abstract description 73
- 238000004891 communication Methods 0.000 claims abstract description 46
- 238000006243 chemical reaction Methods 0.000 claims abstract description 43
- 238000012360 testing method Methods 0.000 claims abstract description 31
- 238000004088 simulation Methods 0.000 claims abstract description 25
- 230000001133 acceleration Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 3
- 238000000131 plasma-assisted desorption ionisation Methods 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 claims description 3
- 238000003745 diagnosis Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model relates to a kind of automobile safety air sac controller diagnostic device, it is characterized in that: it comprises safety air sac controller, failure simulation device and host computer; Failure simulation device comprises power module, communication conversion module, LED display module, interface module and loop configuration module, interface module is connected with host computer by communication conversion module, and loop configuration module is all connected with safety air sac controller by interface module with LED display module; Host computer arranges and reads to the initial environment parameter of safety air sac controller the failure message being stored in safety air sac controller by communication conversion module and interface module, loop configuration module is safety air sac controller config failure simulated environment by interface module, and the duty of safety air sac controller transfers to LED display module by interface module and shows.The utility model can be widely used in the test and diagnosis to safety air sac controller.
Description
Technical field
The utility model relates to the diagnostic device in a kind of automotive safety control field, particularly about a kind of automobile safety air sac controller diagnostic device.
Background technology
In recent years, along with the fast development of automobile industry, the casualties and the property loss that cause due to traffic hazard every year significantly increase, and vehicle safety performance has also naturally received more concern.Wherein, air bag system, as the ingredient of occupant restraint device, has become the standard configuration of Hyundai Motor passive safety.Therefore in automobile manufacturing process, need air bag system to test.But the irrecoverability of the complicacy of air bag system and booster and air bag has brought a lot of difficulties to exploitation, test and the diagnosis of safety air sac controller.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of automobile safety air sac controller diagnostic device that can facilitate, fault simulation information is provided all sidedly.
For achieving the above object, the utility model is taked following technical scheme: a kind of automobile safety air sac controller diagnostic device, is characterized in that: it comprises safety air sac controller, failure simulation device and host computer; Described failure simulation device comprises power module, communication conversion module, LED display module, interface module and loop configuration module, described power module is described safety air sac controller, communication conversion module and the power supply of LED display module, described safety air sac controller is connected with interface module, described interface module is connected with described host computer by described communication conversion module, and described loop configuration module is all connected with described safety air sac controller by interface module with LED display module; Described host computer arranges and reads to the initial environment parameter of described safety air sac controller the failure message being stored in described safety air sac controller by described communication conversion module and interface module, described loop configuration module is described safety air sac controller config failure simulated environment by described interface module, and the duty of described safety air sac controller transfers to described LED display module by described interface module and shows.
Described power module is made up of positive voltage regulator, Transient Suppression Diode, resistance and electric capacity, and on described power module external test jack; Described power module provides 12V voltage for described safety air sac controller and LED display module, and adopts positive voltage regulator that 12V voltage transitions is become after 5V voltage to described communication conversion module power supply.
Described communication conversion module is made up of MAX3232 chip and TLE7259 chip, described communication conversion module makes to carry out K-line communication between described safety air sac controller and host computer by level conversion, and described communication conversion module adopts between DB9 interface and described host computer and is connected.
Described interface module adopts DB62 interface, and described communication conversion module, LED display module and loop configuration module are connected in the respective pins of DB62 interface.
Described loop configuration module comprises 12 ignition circuits, six sensor configuration loops and three apolegamy loops; Described in each, ignition circuit includes 2 Ω resistance and a third gear switch, each ignition circuit by third gear switch switch normally, disconnection and three kinds of states of short circuit, and all configure external test jack; Described in each, sensor configuration loop adopts exterior arrangement mode, by connecting six tunnels for gathering the outer sensor of acceleration signal at the reserved six pairs of jacks of described loop configuration module-external; Three described apolegamy loops comprise the front-seat side gas-bag for passenger enable switch of DSB driver position seat belt buckles switches, PSB passenger position seat belt buckles switches and PADS, DSB and PSB all switch BC locking, OP open circuit and three kinds of states of UB non-locking by third gear switch, and PADS switches by third gear switch that ON enables, OP opens a way and OFF closes three kinds of states; Described in each, match the external test jack of duty that loop is all configured for test corresponding apolegamy loop.
Described LED display module comprises the LED lamp of five single-pole double-throw switch (SPDT)s, five test jack and five demonstration different colours; A described single-pole double-throw switch (SPDT) is used for controlling power connection or disconnection, corresponding described LED lamp display power supply state; All the other four described single-pole double-throw switch (SPDT)s are for being switched on or switched off the internal default circuit of described failure simulation device, and all the other four LED lamps show respectively the duty of WL alarm, the front-seat side gas-bag for passenger enabled state of PADI, Crash out collision output and K-line communication.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model is owing to comprising safety air sac controller, failure simulation device and host computer, and loop configuration module is set in failure simulation device, according to the actual disposition demand of safety air sac controller, can be safety air sac controller fast construction fault simulation environment by loop configuration module, therefore the utility model can be provided convenience for automobile safety air sac controller, comprehensively fault simulation information, make the exploitation of safety air sac controller, test and diagnose more convenient, accurately.2, the utility model is owing in loop configuration module, ignition circuit being set, and each ignition circuit uses equivalent resistance to substitute booster, and therefore the utility model can be reused, thereby saves the security of testing cost raising test.3, the utility model is due to sensor configuration loop being set in loop configuration module, each sensor configuration loop adopts exterior arrangement mode, the jack reserved by loop configuration module-external connects outer sensor, therefore various types of sensors can be applicable to the utility model, the utlity model has very strong compatibility.4, the utility model is due in the external some test jack of loop configuration module, test jack not only can be carried out state verification to safety air sac controller, and can build arbitrarily external circuits for safety air sac controller, therefore the utlity model has very strong practicality.Based on above advantage, the utility model can be widely used in the test and diagnosis to safety air sac controller.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, the utility model automobile safety air sac controller diagnostic device comprises safety air sac controller 1, failure simulation device 2 and host computer 3.Wherein, failure simulation device 2 comprises power module 21, communication conversion module 22, LED display module 23, interface module 24 and loop configuration module 25.Power module 21 is that safety air sac controller 1, communication conversion module 22 and LED display module 23 are powered, safety air sac controller 1 is connected with interface module 24, interface module 24 is connected with host computer 3 by communication conversion module 22, and LED display module 23 is all connected with safety air sac controller 1 by interface module 24 with loop configuration module 25.Host computer 3 arranges the initial environment parameter of safety air sac controller 1 by communication conversion module 22 and interface module 24, loop configuration module 25 is safety air sac controller 1 config failure simulated environment by interface module 24, safety air sac controller 1 compares the fault simulation environmental parameter of initial environment parameter and configuration, if the fault simulation environmental parameter arranging does not conform to initial environment parameter, be stored in safety air sac controller 1 the fault simulation environmental parameter of setting as failure message, host computer 3 reads by communication conversion module 22 and interface module 24 failure message being stored in safety air sac controller 1.The duty of safety air sac controller 1 transfers to LED display module 23 by interface module 24 and shows.
In above-described embodiment, power module 21 is made up of positive voltage regulator, Transient Suppression Diode, resistance and electric capacity, and on power module 21 external test jack.Power module 21 provides 12V voltage for safety air sac controller 1 and LED display module 23, and powers to communication conversion module 22 after adopting positive voltage regulator that 12V voltage transitions is become to 5V voltage.
In above-described embodiment, communication conversion module 22 is made up of MAX3232 chip and TLE7259 chip, and communication conversion module 22 makes to carry out K-line communication between safety air sac controller 1 and host computer 3 by level conversion.Communication conversion module 22 adopts between DB9 interface and host computer 3 and is connected.
In above-described embodiment, interface module 24 adopts DB62 interface, and communication conversion module 22, LED display module 23 and loop configuration module 25 are connected in the respective pins of DB62 interface.
In above-described embodiment, loop configuration module 25 comprises 12 ignition circuits, six sensor configuration loops and three apolegamy loops.Wherein, each ignition circuit includes 2 Ω resistance and a third gear switch, each ignition circuit by third gear switch switch normally, disconnection and three kinds of states of short circuit.When ignition circuit is switched in normal condition by third gear switch, 2 Ω resistance are connected to the high-end and low side of ignition circuit, represent this loop of configuration; When ignition circuit is switched in off-state by third gear switch, the high-end and low side of ignition circuit, in off-state, represents not configure this loop; When ignition circuit is switched in short-circuit condition by third gear switch, the high-end and low side of ignition circuit is directly connected.Each ignition circuit all configures external test jack, for testing the duty of corresponding ignition circuit.Each sensor configuration loop adopts exterior arrangement mode, by connecting six road outer sensors at the outside reserved six pairs of jacks of loop configuration module 25, for gathering acceleration signal.Three apolegamy loops comprise the front-seat side gas-bag for passenger enable switch of DSB driver position seat belt buckles switches, PSB passenger position seat belt buckles switches and PADS.Wherein, DSB and PSB all switch BC locking, OP open circuit and three kinds of states of UB non-locking by third gear switch, and PADS switches by third gear switch that ON enables, OP opens a way and OFF closes three kinds of states.Each apolegamy loop all configures external test jack, for testing the duty in corresponding apolegamy loop.
In above-described embodiment, LED display module 23 comprises the LED lamp of five single-pole double-throw switch (SPDT)s, five test jack and five demonstration different colours.Wherein, a single-pole double-throw switch (SPDT) is used for controlling power connection or disconnection, corresponding LED lamp display power supply state; All the other four single-pole double-throw switch (SPDT)s are for being switched on or switched off the internal default circuit of failure simulation device 2.While connecting internal default circuit, represent the internal default circuit of operational failure analogue means 2, when breaking inner acquiescence circuit, represent that safety air sac controller 1 and failure simulation device 2 are in off-state, need to connect outside self-defined circuit by corresponding test jack.All the other four LED lamps show respectively the duty of WL alarm, the front-seat side gas-bag for passenger enabled state of PADI, Crash out collision output and K-line communication.
While adopting the utility model to carry out duty diagnosis to safety air sac controller 1, it specifically comprises the following steps:
1) switch on to power module 21, power module 21 provides 12V voltage to LED display module 23, and 12V voltage is provided to safety air sac controller 1 by interface module 24; Power module 21 is become 12V voltage transitions 5V voltage and offers communication conversion module 22 by a positive voltage regulator.
2) safety air sac controller 1 is connected with communication conversion module 22 by interface module 24, and communication conversion module 22 adopts DB9 interface to be connected with host computer 3.
3) fault simulation environment is set to safety air sac controller 1 by loop configuration module 25, it specifically comprises:
According to reality diagnosis needs, the duty of ignition circuit is set or passes through the external configuration circuit of its external test jack by third gear switch, the reserved jack in outside that configures loop by sensor connects outer sensor, the duty in apolegamy loop is set or is passed through the external configuration circuit of its external test jack by third gear switch.Fault simulation environment comprises shorted to earth, to environment such as power supply short circuit, overtension and brownouts.
4) host computer 3 arranges the initial environment parameter of safety air sac controller 1 by communication conversion module 22 and interface module 24, safety air sac controller 1 compares the fault simulation environmental parameter of setting and initial environment parameter, if the fault simulation environment arranging does not conform to initial environment, be stored in safety air sac controller 1 the fault simulation environmental parameter of setting as failure message, by communication conversion module 22 and interface module 24, host computer 3 reads the failure message that safety air sac controller 1 records and shows.
The various embodiments described above are only for illustrating the utility model; wherein the structure of each parts, connected mode and method step etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (8)
1. an automobile safety air sac controller diagnostic device, is characterized in that: it comprises safety air sac controller, failure simulation device and host computer; Described failure simulation device comprises power module, communication conversion module, LED display module, interface module and loop configuration module, described power module is described safety air sac controller, communication conversion module and the power supply of LED display module, described safety air sac controller is connected with interface module, described interface module is connected with described host computer by described communication conversion module, and described loop configuration module is all connected with described safety air sac controller by interface module with LED display module; Described host computer arranges and reads to the initial environment parameter of described safety air sac controller the failure message being stored in described safety air sac controller by described communication conversion module and interface module, described loop configuration module is described safety air sac controller config failure simulated environment by described interface module, and the duty of described safety air sac controller transfers to described LED display module by described interface module and shows.
2. a kind of automobile safety air sac controller diagnostic device as claimed in claim 1, is characterized in that: described power module is made up of positive voltage regulator, Transient Suppression Diode, resistance and electric capacity, and on described power module external test jack; Described power module provides 12V voltage for described safety air sac controller and LED display module, and adopts positive voltage regulator that 12V voltage transitions is become after 5V voltage to described communication conversion module power supply.
3. a kind of automobile safety air sac controller diagnostic device as claimed in claim 1, it is characterized in that: described communication conversion module is made up of MAX3232 chip and TLE7259 chip, described communication conversion module makes to carry out K-line communication between described safety air sac controller and host computer by level conversion, and described communication conversion module adopts between DB9 interface and described host computer and is connected.
4. a kind of automobile safety air sac controller diagnostic device as claimed in claim 2, it is characterized in that: described communication conversion module is made up of MAX3232 chip and TLE7259 chip, described communication conversion module makes to carry out K-line communication between described safety air sac controller and host computer by level conversion, and described communication conversion module adopts between DB9 interface and described host computer and is connected.
5. a kind of automobile safety air sac controller diagnostic device as claimed in claim 1 or 2 or 3 or 4, it is characterized in that: described interface module adopts DB62 interface, and described communication conversion module, LED display module and loop configuration module are connected in the respective pins of DB62 interface.
6. a kind of automobile safety air sac controller diagnostic device as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described loop configuration module comprises 12 ignition circuits, six sensors configuration loops and three apolegamy loops; Described in each, ignition circuit includes 2 Ω resistance and a third gear switch, each ignition circuit by third gear switch switch normally, disconnection and three kinds of states of short circuit, and all configure external test jack; Described in each, sensor configuration loop adopts exterior arrangement mode, by connecting six tunnels for gathering the outer sensor of acceleration signal at the reserved six pairs of jacks of described loop configuration module-external; Three described apolegamy loops comprise the front-seat side gas-bag for passenger enable switch of DSB driver position seat belt buckles switches, PSB passenger position seat belt buckles switches and PADS, DSB and PSB all switch BC locking, OP open circuit and three kinds of states of UB non-locking by third gear switch, and PADS switches by third gear switch that ON enables, OP opens a way and OFF closes three kinds of states; Described in each, match the external test jack of duty that loop is all configured for test corresponding apolegamy loop.
7. a kind of automobile safety air sac controller diagnostic device as claimed in claim 5, is characterized in that: described loop configuration module comprises 12 ignition circuits, six sensor configuration loops and three apolegamy loops; Described in each, ignition circuit includes 2 Ω resistance and a third gear switch, each ignition circuit by third gear switch switch normally, disconnection and three kinds of states of short circuit, and all configure external test jack; Described in each, sensor configuration loop adopts exterior arrangement mode, by connecting six tunnels for gathering the outer sensor of acceleration signal at the reserved six pairs of jacks of described loop configuration module-external; Three described apolegamy loops comprise the front-seat side gas-bag for passenger enable switch of DSB driver position seat belt buckles switches, PSB passenger position seat belt buckles switches and PADS, DSB and PSB all switch BC locking, OP open circuit and three kinds of states of UB non-locking by third gear switch, and PADS switches by third gear switch that ON enables, OP opens a way and OFF closes three kinds of states; Described in each, match the external test jack of duty that loop is all configured for test corresponding apolegamy loop.
8. a kind of automobile safety air sac controller diagnostic device as described in claim 1 or 2 or 3 or 4 or 7, is characterized in that: described LED display module comprises the LED lamp of five single-pole double-throw switch (SPDT)s, five test jack and five demonstration different colours; A described single-pole double-throw switch (SPDT) is used for controlling power connection or disconnection, corresponding described LED lamp display power supply state; All the other four described single-pole double-throw switch (SPDT)s are for being switched on or switched off the internal default circuit of described failure simulation device, and all the other four LED lamps show respectively the duty of WL alarm, the front-seat side gas-bag for passenger enabled state of PADI, Crashout collision output and K-line communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322668.3U CN203930499U (en) | 2014-06-17 | 2014-06-17 | A kind of automobile safety air sac controller diagnostic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322668.3U CN203930499U (en) | 2014-06-17 | 2014-06-17 | A kind of automobile safety air sac controller diagnostic device |
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| CN203930499U true CN203930499U (en) | 2014-11-05 |
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| CN201420322668.3U Expired - Lifetime CN203930499U (en) | 2014-06-17 | 2014-06-17 | A kind of automobile safety air sac controller diagnostic device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840640A (en) * | 2017-03-30 | 2017-06-13 | 北京汽车股份有限公司 | The analogue system and method for vehicle airbag |
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2014
- 2014-06-17 CN CN201420322668.3U patent/CN203930499U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840640A (en) * | 2017-03-30 | 2017-06-13 | 北京汽车股份有限公司 | The analogue system and method for vehicle airbag |
| CN106840640B (en) * | 2017-03-30 | 2019-06-18 | 北京汽车股份有限公司 | The analogue system and method for vehicle airbag |
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