CN206833748U - A kind of control unit for vehicle fault simulator - Google Patents
A kind of control unit for vehicle fault simulator Download PDFInfo
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- CN206833748U CN206833748U CN201720783065.7U CN201720783065U CN206833748U CN 206833748 U CN206833748 U CN 206833748U CN 201720783065 U CN201720783065 U CN 201720783065U CN 206833748 U CN206833748 U CN 206833748U
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Abstract
The utility model discloses a kind of control unit for vehicle fault simulator.The utility model series fault between the sensor and actuator of former car and the control unit of former car sets device, and the terminal testing cassete in parallel on fault setting machine；Trouble point is set by fault setting machine, simulates real phenomenon of the failure, is created to student close to actual working environment, allows student to touch more real fault case；And measured by terminal testing cassete, without plugging sensor plug or destroying connecting wire, allow student to be diagnosed and be fixed a breakdown according to tight logical thinking, it is visual in image, tutorial function is strong, ensure the learning quality of student；The utility model can substantially reduce the equipment loss in training process, reduce training cost, the convenience intuitive of enhancement training, mitigate the working strength of trainer significantly, have very profound significance to automobile skills training.
Description
Technical field
It the utility model is related to car inspection and repair training field, and in particular to a kind of control unit for vehicle fault simulator.
Background technology
The continuous high speed development of present China's automobile industry, is also greatly increased to automobile application and the demand for repairing the talent,
Seek also more and more higher.Automobile electric control system detection technique is one of key technique in current auto repair.It is inevitable also into
One of core curriculum for auto repair training, practicality is very strong, and preferably by the mode of vehicle real training, with reference to reality
Maintenance Cases, the action of enterprise practical is combined in training process.
1. in the automatically controlled training of existing orthodox car, when carrying out troubleshooting to vehicle, because the circuit of various systems mixes
Together, cause in training process, student differentiates difficulty, wire harness easily occurs and each control unit is damaged on a large scale, right
The loss of real training vehicle is quite big, greatly causes the loss of training difficulty and training cost.Pass through control unit for vehicle
The control unit of fault simulator and former car is attached, and student correspond to servicing manual and circuit diagram combination diagnostic equipment is examined
Survey and troubleshooting, reduce the loss of vehicle and equipment, reduce training cost.2. in the automatically controlled training of orthodox car, trainer
Generally different trouble points is set also to go out to facilitate real training, and while failure is set in automobile when course prepares
Now the wire harness of each control unit is damaged, for example, it is breaking, short-circuit, it can all destroy the integrality of former vehicle wire harness, and trainer
It can be increased in careful preparation working strength, after connecting control unit for vehicle fault simulator, trouble point is clearly demarcated, and trainer is before the class
Failure base site controller corresponding to need to only being operated during preparation, trouble point will be generated, and in training process, student is read by diagnostic equipment
Take automobile items service data, there is provided detection foundation, carry out fault detect with excluding, easy to operate, training difficulty declines.3. pass
Automatically controlled practical training stand of uniting sets failure to have limitation, for example open circuit or some short-circuit failure can only be set on test-bed
Point, other failures cannot exist simultaneously, and these failures are can not the completely real daily appearance event of simulated automotive
Hinder phenomenon, nor the training request of trainer can be fully met.
The content of the invention
For above problems of the prior art, the utility model proposes a kind of control unit for vehicle fault simulation
Device, technical repacking is carried out to vehicle complete vehicle electric-control system, be exactly exactly to pacify automatically controlled and electrical appliance part circuit on vehicle
Fill failure and end and test lead are set, created to trainee close to actual working environment；The utility model can substantially reduce
Equipment loss in training process, reduce training cost, the work of the convenience intuitive of enhancement training, significantly mitigation trainer
Make intensity, have very profound significance to automobile skills training.
The each sensor and actuator of former car are connected to the control unit of former car by respective connecting wire respectively；Respectively
The connecting wire of individual sensor and actuator is arranged on connecting wire plug, and the connecting wire of the control unit of former car is arranged on
On control unit plug, connecting wire plug is connected with control unit plug, so as to by each sensor of former car and execution
Device is connected to the control unit of former car.
Control unit for vehicle fault simulator of the present utility model includes：Fault setting machine and terminal testing cassete；Wherein, therefore
Barrier sets the failure in device to set wire to be corresponded with sensor and the connecting wire of actuator and former car control unit；From even
Connect and control unit plug is pulled out on line trap, each sensor and actuator of the control unit of former car and former car, which disconnect, to be connected
Connect；One end of fault setting machine is connected on control unit plug, and the other end is connected on connecting wire plug, so as in former car
Each sensor and actuator and former car control unit between series fault device, each sensor of former car and execution are set
Device is connected to the control unit of former car by failure setting wire corresponding in fault setting machine；It is in parallel on fault setting machine
Terminal testing cassete, each failure of fault setting machine set wire to be correspondingly connected to a test lead on terminal testing cassete.
Set in the failure of fault setting machine and trouble point is set on wire, and surveyed using universal meter or oscillograph by terminal
Test lead on examination box measures, so as to be fixed a breakdown.
Fault setting machine include shell, circuit board, a plurality of failure set wire, cross-line point, bridging plug, swept resistance,
One or more fixed value resistances, patchcord and earth terminal；Wherein, a plurality of failure sets wire, cross-line point, bridging plug, slip
Resistance and earth terminal are set on circuit boards, and one or more fixed value resistances, patchcord and circuit board are placed in shell；It is each
Bar failure sets wire corresponding to the connecting wire of the control unit of former car with each connection sensor or actuator；Every
One failure sets and is provided with cross-line point on wire；Under fault-free dotted state, every failure sets and inserted on wire cross-line point
There is bridging plug, so as to which corresponding sensor or actuator be turned on the control unit of former car；Plug is bridged from cross-line point
Extract, the control unit of corresponding sensor or actuator and former car is disconnected；Cross-line point connects swept resistance or insertion is fixed
Resistance, i.e. failure set wired in series resistance, set in the connecting wire of corresponding sensor or actuator and resistance be present；Cross-line
Point is connected to earth terminal, and corresponding sensor or actuator are arranged into negative pole short circuit；By different faults set wire on across
Boundary's point is connected with each other by patchcord, sets multi-thread be shorted with each other.Four kinds of fault types are combined by more than, so as to form list
Line is breaking, multi-thread open circuit, single line are short-circuit to negative pole, it is multi-thread it is short-circuit to negative pole, multi-thread be shorted with each other, single line to negative pole short circuit and is deposited
Resistance, it is multi-thread to negative pole short circuit and resistance be present, there is resistance in single line or the multi-thread trouble point that resistance be present.
The Standard resistance range of swept resistance is in 0~1000 Ω；The resistance of fixed value resistance is between 0.1~600 Ω.
Terminal testing cassete includes housing and multiple test leads；Wherein, multiple test leads, test lead are set on the surface of housing
Wire is set to correspond with failure, each failure sets wire to be connected to a test lead；Test lead is exposed to outer
Hard contact.
The advantages of the utility model：
The utility model series fault between the sensor and actuator of former car and the control unit of former car sets device, and
The terminal testing cassete in parallel on fault setting machine；Trouble point is set by fault setting machine, real phenomenon of the failure is simulated, to
Member is created close to actual working environment, allows student to touch more real fault case；And pass through terminal testing cassete
On test lead measure, without plug sensor plug or destroy connecting wire, allow student according to tight logic
Thinking is diagnosed and fixed a breakdown, visual in image, tutorial function is strong, ensures the learning quality of student；The utility model can
The equipment loss in training process is substantially reduced, training cost is reduced, the convenience intuitive of enhancement training, mitigates training significantly
The working strength of teacher is instructed, has very profound significance to automobile skills training.
Brief description of the drawings
Fig. 1 is the structured flowchart of control unit for vehicle fault simulator of the present utility model；
Fig. 2 is the signal of one embodiment of the fault setting machine of control unit for vehicle fault simulator of the present utility model
Figure.
Embodiment
Below in conjunction with the accompanying drawings, by specific embodiment, the utility model is expanded on further.
As shown in figure 1, the control unit for vehicle fault simulator of the present embodiment includes：Fault setting machine and terminal test
Box；Wherein, the failure in fault setting machine sets wire and sensor and the connecting wire one of actuator and former car control unit
One correspondence；Pull out control unit plug from connecting wire plug, each sensor of the control unit of former car and former car and hold
Row device disconnects；One end of fault setting machine is connected on control unit plug, and the other end is connected on connecting wire plug,
So as to which series fault sets device, each biography of former car between each sensor and actuator of former car and the control unit of former car
Sensor and actuator are connected to the control unit of former car by failure setting wire corresponding in fault setting machine；Set in failure
Terminal testing cassete in parallel on device is put, each failure of fault setting machine sets wire to be correspondingly connected to one on terminal testing cassete
Individual test lead；Set in the failure of fault setting machine and trouble point is set on wire.Former car refers to real training vehicle.
Wire L, cross-line point A, bridging is set to insert as shown in Fig. 2 fault setting machine includes shell, circuit board C, a plurality of failure
Head, swept resistance R, fixed value resistance, patchcord and earth terminal G；A plurality of failure sets wire L, cross-line point A, bridging plug, slip
Resistance R and earth terminal G are arranged on circuit board C.The Standard resistance range of swept resistance is in 0~1000 Ω；The resistance of fixed value resistance exists
Between 0.1~600 Ω.Respectively 0.1 Ω, 0.3 Ω, 0.5 Ω, 1 Ω, 2 Ω, 2.7 Ω, 3.5 Ω, 3.9 Ω, 5 Ω, 5.6 Ω,
7.5Ω、10Ω、15Ω、20Ω、27Ω、33Ω、39Ω、56Ω、100Ω、150Ω、200Ω、250Ω、270Ω、330Ω、
390Ω、470Ω、560Ω。
In the present embodiment, a 1 cylinder injector failure is set；Failure front engine control unit fault-free code is set,
Engine misses simultaneously disconnect storage battery negative polar curve, extract control unit, connect control unit for vehicle fault simulator.
Fault setting machine cover plate is opened, 1 cylinder injector corresponding failure is found and wire is set, open circuit is set or in failure
Series resistance in wire is set, rear closing fault is provided with and device cover plate is set.
Storage battery negative polar curve is connected, starts engine, now phenomenon of the failure is engine shake.Phenomenon of the failure has generated,
Student carries out troubleshooting to this failure.
Caused by engine shake has a lot of reasons, as ignition system, injection system, gas handling system, engine machinery are asked
Topic etc., student is according to normal troubleshooting thinking, after clear failure phenomenon, first reads engine failure code, DTC with diagnostic equipment
For 1 cylinder injector electric fault, several trouble points can be specified according to DTC, be respectively：Reason of 1 cylinder injector itself, the spray of 1 cylinder
The connecting wire problem of oily device, student by using resistance between universal meter test lead corresponding on terminal measuring box, from
And can interpolate that and be out of order a little, finally fix a breakdown.
The control method of the control unit for vehicle fault simulator of the present embodiment, comprises the following steps：
1) using diagnostic equipment read real training vehicle control unit DTC, such as it is faulty, carry out reparation removing, guarantee
Real training vehicle does not have failure；
2) real training vehicle stall, storage battery negative polar curve is broken；
3) control unit plug is pulled out from connecting wire plug, by the control unit of former car and each sensor of former car
Disconnected with actuator；
4) one end of fault setting machine being connected on control unit plug, the other end is connected on connecting wire plug,
And check whether each plug is connected firmly, so as between each sensor and actuator of former car and the control unit of former car
Series fault sets device；
5) storage battery negative polar curve is connected, starts real training vehicle；
6) control unit DTC is read using diagnostic equipment and removed；
7) engine misses, trainer, with reference to former car circuit diagram, set failure according to training contents on fault setting machine
Point：Fault setting machine is opened, 1 cylinder injector corresponding failure is found and wire is set, open circuit is set or wire is set in failure
Middle series resistance；
8) student carries out troubleshooting for this failure, by observing the phenomenon of the failure of vehicle or first determining failure using diagnostic equipment
Phenomenon, conventional failture evacuation is carried out, it is directly enterprising in the corresponding test lead of terminal measuring box using universal meter or oscillograph
Row operation, it is not necessary to plug sensor plug or destroy connecting wire；
9) after student finds trouble point by measurement, trainer recovers to the trouble point.
It is finally noted that the purpose for publicizing and implementing example is that help further understands the utility model, but originally
The technical staff in field is appreciated that：Do not departing from the utility model and appended spirit and scope by the claims, it is various
Substitutions and modifications are all possible.Therefore, the utility model should not be limited to embodiment disclosure of that, and the utility model will
The scope of protection is asked to be defined by the scope that claims define.
Claims (6)
1. a kind of control unit for vehicle fault simulator, each sensor and actuator of former car are led by respective connection respectively
Line is connected to the control unit of former car；The connecting wire of each sensor and actuator is arranged on connecting wire plug, former car
The connecting wire of control unit be arranged on control unit plug, connecting wire plug is connected with control unit plug, from
And each sensor and actuator of former car are connected to the control unit of former car, it is characterised in that the control unit for vehicle
Fault simulator includes：Fault setting machine and terminal testing cassete；Wherein, the failure in the fault setting machine sets wire with passing
The connecting wire of sensor and actuator and former car control unit corresponds；Control unit is pulled out from connecting wire plug to insert
Head, the control unit of former car and each sensor and actuator of former car disconnect；One end of fault setting machine is connected to control
On unit plug processed, the other end is connected on connecting wire plug, so as in each sensor and actuator of former car and former car
Control unit between series fault device is set, each sensor and actuator of former car pass through corresponding in fault setting machine
Failure setting wire is connected to the control unit of former car；The terminal testing cassete in parallel on fault setting machine, fault setting machine it is every
One failure sets wire to be correspondingly connected to a test lead on terminal testing cassete.
2. control unit for vehicle fault simulator as claimed in claim 1, it is characterised in that the fault setting machine includes outer
Shell, circuit board, a plurality of failure set wire, cross-line point, bridging plug, swept resistance, fixed value resistance, patchcord and earth terminal；
Wherein, a plurality of failure sets wire, cross-line point, bridging plug, swept resistance and earth terminal to set on circuit boards, definite value
Resistance, patchcord and circuit board are placed in shell；Each failure sets wire to be connected sensor or actuator with each
Connecting wire to the control unit of former car is corresponding；Set in each failure and be provided with cross-line point on wire.
3. control unit for vehicle fault simulator as claimed in claim 2, it is characterised in that under fault-free dotted state, often
Bar failure sets and is inserted with bridging plug on wire cross-line point, so as to by the control list of corresponding sensor or actuator and former car
Member conducting；Bridging plug is extracted from cross-line point, and the control unit of corresponding sensor or actuator and former car is disconnected；Cross-line
Point connection swept resistance or insertion fixed resistance, i.e. failure set wired in series resistance, set corresponding sensor or actuator
Connecting wire in resistance be present；Cross-line point is connected to earth terminal, and corresponding sensor or actuator are arranged into negative pole short circuit；
Set the point transboundary on wire to be connected with each other by patchcord different faults, multi-thread be shorted with each other is set.
4. control unit for vehicle fault simulator as claimed in claim 2, it is characterised in that the resistance model of the swept resistance
It is trapped among 0~1000 Ω.
5. control unit for vehicle fault simulator as claimed in claim 2, it is characterised in that the resistance of the fixed value resistance exists
Between 0.1~600 Ω.
6. control unit for vehicle fault simulator as claimed in claim 1, it is characterised in that the terminal testing cassete includes shell
Body and multiple test leads；Wherein, multiple test leads are set on the surface of housing, test lead sets wire to correspond with failure,
Each failure sets wire to be connected to a test lead；The test lead is exposed to outer hard contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720783065.7U CN206833748U (en) | 2017-06-30 | 2017-06-30 | A kind of control unit for vehicle fault simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720783065.7U CN206833748U (en) | 2017-06-30 | 2017-06-30 | A kind of control unit for vehicle fault simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206833748U true CN206833748U (en) | 2018-01-02 |
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ID=60778593
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720783065.7U Active CN206833748U (en) | 2017-06-30 | 2017-06-30 | A kind of control unit for vehicle fault simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206833748U (en) |
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2017
- 2017-06-30 CN CN201720783065.7U patent/CN206833748U/en active Active
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| CP03 | Change of name, title or address |
Address after: 100F, 10th Floor, China Merchants Building, 118 Jianguo Road, Chaoyang District, Beijing, 100020 Patentee after: Huaao Anxin Technical Service (Group) Co.,Ltd. Address before: 100F, 10th Floor, China Merchants Building, 118 Jianguo Road, Chaoyang District, Beijing, 100020 Patentee before: BEIJING HUA-AO AUTOMOBILE SERVICE CO.,LTD. |