CN205158758U - Car electrical equipment trouble sets up and test system - Google Patents
Car electrical equipment trouble sets up and test system Download PDFInfo
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- CN205158758U CN205158758U CN201520945734.7U CN201520945734U CN205158758U CN 205158758 U CN205158758 U CN 205158758U CN 201520945734 U CN201520945734 U CN 201520945734U CN 205158758 U CN205158758 U CN 205158758U
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Abstract
The utility model relates to a car electrical equipment fault detection technical field, concretely relates to a car electrical equipment trouble sets up and test system, include trouble setting device and the failure test device be connected with car electrical equipment, car electrical equipment includes the control your computer of executor and this executor of control, the executor constitutes the executor return circuit with control your computer, the trouble setting device inserts in the executor return circuit, and control the electric current size OR circuit break -make in executor return circuit, the failure test device inserts the executor return circuit is and detect the operating condition in executor return circuit. The utility model provides a pair of the automotive electrical equipment trouble sets up and the test system, can convenient and fast ground set up out the automotive electrical equipment's that accords with teaching requirement dependent failure at any time according to the needs of the content of courses to device fault relapses under the prerequisite of the damage of other relevant components on the vehicle can not being increased.
Description
Technical field
The utility model relates to automotive electric equipment fault detection technique field, particularly relates to a kind of automotive electric equipment fault verification and test macro, relates more specifically to a kind of fault verification and the test macro that can carry out Non-Destructive Testing to automotive electric equipment.
Background technology
At present, along with the development of our national economy, the living standard of people improves gradually, and the use of automobile also becomes more and more frequent, and the fault of automobile also more appears at circuit part, and this brings new difficulty to the teaching of school.
When such as carrying out the teaching of car load electric equipment Fault diagnose and isolation, the relevant trouble spot that a lot of students can accurately not search according to the phenomenon of the failure of vehicle because of being unfamiliar with circuit and control principle, or searching or the root of looking up the fault of at all having no way of doing it blindly.In its really general Automotive electrical equipment course, these relevant knowledge all have involved, but book knowledge and real car load material object still have very large gap and different, student can according to the circuit diagram looking up the fault point on handbook, but be transplanted on car load in kind, cannot sit in the right seat at all, so the knowledge on handbook can not be combined with real vehicle, thus cause the trouble spot that cannot accurately search.
And the equipment that we use at present in car electrics fault diagnosis curricula is more single, the teaching of simple cognitive-ability can only be applicable to, actual fault diagnosis needs to carry out in conjunction with true fault phenomenon and real vehicle, and due to the price of real vehicle own higher, the price of spare and accessory parts and consumables associated therewith is also higher, change and also bother, consuming time, setting for fault can only be confined to simple plug insurance and relay carries out, obvious with regard to causing trouble point like this, student is easy to just can find, so just effectively can not set up student for the diagnosis thinking of fault and analysis ability, and the line fault arranging comparatively complexity will carry out artificial destruction to former fare road, virgin state for real vehicle can cause larger impact with other function, the recovery of fault also extremely bothers, be unfavorable for teaching and experiment repeatedly.
Therefore; need to develop a kind of auto electric equipment fault verification and test macro; not only can solve student for the inspection of true car load electric system in kind and functipnal capability, also can effectively protect the kilter of teaching real vehicle also can destroy wire harness on vehicle and sensor just can show real phenomenon of the failure.
Utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model there is provided a kind of auto electric equipment fault verification and test macro, can need quickly and easily according to the content of courses dependent failure setting out the auto electric equipment meeting teaching request at any time, and under the prerequisite of damage that can not increase other related elements on vehicle, fault is set repeatedly.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of automotive electric equipment fault verification and test macro, comprise the failure setting device and fault testing apparatus that are connected with automotive electric equipment, described automotive electric equipment comprises actuator and controls the control computer of this actuator, and described actuator forms actuator loop with control computer; Described failure setting device accesses in described actuator loop, and controls size of current or the connecting and disconnecting of the circuit in described actuator loop; Described fault testing apparatus accesses described actuator loop, and detects the duty in described actuator loop.
Further, the quantity of aforementioned actuator is multiple, and each described actuator forms multiple actuator loop with described control module respectively; Described failure setting device accesses in actuator loop described in each respectively, and described fault testing apparatus connects actuator loop described in each respectively.
Further, aforementioned failure setting device comprises multiple trouble unit, and described trouble unit is switch and variable resistor, and described switch and variable resistor are connected in series, and in the described actuator loop of access correspondence.
Further, aforementioned control computer connects the positive source of described actuator by control line bundle, and is started working by the described actuator of control that switches on power, and controls described actuator quit work by deenergization.
Further, aforementioned switches and variable resistor are series on described control wire harness, the break-make in actuator loop described in described switch control rule, and described variable resistor regulates the size of current in described actuator loop.
Further, aforementioned fault testing apparatus is in parallel with actuator described in each respectively.
Further, aforementioned fault testing apparatus comprises many group calibrating terminals and detecting device, and the described actuator of the described calibrating terminal of each group respectively with corresponding is in parallel, and described detecting device detects the voltage of calibrating terminal described in each group.
Further, the two ends of the described calibrating terminal of each group are connected with the positive source of described actuator or power cathode respectively.
(3) beneficial effect
Technique scheme of the present utility model has following beneficial effect:
The utility model provides a kind of automotive electric equipment fault verification and test macro, in failure setting device access actuator loop, and controls size of current or the connecting and disconnecting of the circuit in actuator loop; Fault testing apparatus access actuator loop, and detect the duty in actuator loop.This fault verification and test macro set out according to the control principle of former vehicle wire harness on vehicle, the line fault of the engine system on car load can be set simply and easily, the change of such as line broken circuit or electric current, it is obvious that rear phenomenon of the failure is set, trouble spot is hidden, just can carry out, for the localization of faults is taken a firm foundation after needing operator to analyze the corresponding fault diagnosis book of rear formulation and analysis report to line related.
The automotive electric equipment fault verification that the utility model provides and test macro, solve in prior art, cannot according to the problem needing the dependent failure setting out the automotive electric equipment meeting teaching request at any time of the content of courses, not only there is convenient and swift, the obvious advantage of phenomenon of the failure, fault can also be set repeatedly and the damage of other related elements on vehicle can not be increased.
Accompanying drawing explanation
Fig. 1 is the structural representation of automobile component of oil sprayer in prior art;
Fig. 2 is the structural representation that the utility model is applied to component of oil sprayer.
Wherein, 1: fuel injector; 2: control wire harness; 3: control computer; 4: failure setting device; 5: fault testing apparatus; 6: switch; 7: variable resistor; 8: calibrating terminal.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more; Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
A kind of automotive electric equipment fault verification described in the utility model and test macro, comprise the failure setting device 4 and fault testing apparatus 5 that are connected with automotive electric equipment, automotive electric equipment comprises actuator and controls the control computer 3 of this actuator, and actuator forms actuator loop with control computer 3; This fault verification and test macro set out according to the control principle of former vehicle wire harness on vehicle, failure setting device 4 accesses in actuator loop, and control size of current or the connecting and disconnecting of the circuit in actuator loop, circuit disconnection can be reached allow actuator and control the out of touch effect of computer 3, the electric current in loop is increased or reduces to reach the effect allowing actuator work under abnomal condition; Fault testing apparatus 5 accesses actuator loop, and detects the duty in actuator loop, judges whether actuator works or whether normally work.
Further, the quantity of actuator is multiple, and each actuator forms multiple actuator loop respectively with control module; Failure setting device 4 accesses in each actuator loop respectively, and fault testing apparatus 5 connects each actuator loop respectively.
Further, failure setting device 4 comprises multiple trouble unit, and trouble unit is switch 6 and variable resistor 7, and switch 6 and variable resistor 7 are connected in series, and in the actuator loop of access correspondence.Switch 6 can change the break-make of circuit, regulates the prevention size of variable resistor 7 can the size of current of regulating circuit.
Further, control computer 3 connects actuator positive source by controlling wire harness 2, and started working by the control actuator that switches on power, control actuator by deenergization and quit work; Switch 6 and variable resistor 7 are series at and control on wire harness 2, and switch 6 controls the break-make in actuator loop, the size of current in variable resistor 7 adjusting actuator loop.Namely can controlling whether to be that actuator is powered by switch 6, may be controlled to voltage that actuator powers and electric current by regulating variable resistor 7.
Further, fault testing apparatus 5 is in parallel with each actuator respectively, thus detects the duty of each actuator respectively.
Further, fault testing apparatus 5 comprises many group calibrating terminals 8 and detecting device, and each group calibrating terminal 8 is in parallel with corresponding actuator respectively, and detecting device detects the voltage of each group of calibrating terminal 8.
Further, the two ends of each group calibrating terminal 8 are connected with the positive source of actuator or power cathode respectively.
For the fuel injector 1 in car electrics actuating equipment, the structural representation of automobile fuel injector 1 assembly in Fig. 1 prior art, controlling computer 3 with the control principle of fuel injector 1 is, the feeder ear of fuel injector 1 is by controlling wire harness 2 connection control computer 3, control computer 3 after receiving other coherent signal by the inner bonding of computer to negative pole, control fuel injector 1 works.
A kind of embodiment of the present utility model is transform with the wire harness controlling computer 3 fuel injector 1 on vehicle according to the control principle of generator system, as shown in Figure 2, pick out a switch 6 and variable resistor 7 controlling break-make in the middle of control wire harness 2 between fuel injector 1 and computer and be arranged in failure setting device 4, thus carry out the control of the controlling and adjustment signal voltage electric current of connecting and disconnecting of the circuit, to reach fuel injector 1 and the situation controlling the out of touch or signal of computer 3 and weaken of allowing, produce the effect of relevant symptoms.Then, pick out a calibrating terminal 8 respectively at the positive source of fuel injector 1 and negative pole and be arranged on the test job carrying out relevant wire harness in fault testing apparatus 5.Control signal when fuel injector 1 normally works is 12V, control computer 3 to be worked by the bonding control fuel injector 1 of its inside, to quit work or working effect decline if occur circuit open circuit or control signal weaken so fuel injector 1, thus corresponding change can be there is in the voltage at its two ends.
Carrying out in experimental teaching, when needs carry out fuel injector 1 or Circuits System teaching time, operator just can directly find relevant switch 6 and variable resistor 7 according to the circuit diagram of fuel injector 1 assembly and carry out fault verification in failure setting device 4, after fault verification, student can carry out the line test of being correlated with according to phenomenon of the failure and the control principle grasped combined circuit figure in fault testing apparatus 5, reach the object of fast failure setting and fault test, and element on destruction vehicle that can not be too much and equipment, use that can be prolonged and repeated, the result of use and the frequency that substantially increase vehicle also improve authenticity and security, can better allow student experience experience and the effect of real steering vectors simultaneously.
Embodiment of the present utility model provides for the purpose of example and description, and is not exhaustively or by the utility model be limited to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present utility model and practical application are better described, and enables those of ordinary skill in the art understand the utility model thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (8)
1. an automotive electric equipment fault verification and test macro, it is characterized in that, comprise the failure setting device and fault testing apparatus that are connected with automotive electric equipment, described automotive electric equipment comprises actuator and controls the control computer of this actuator, and described actuator forms actuator loop with control computer; Described failure setting device accesses in described actuator loop, and controls size of current or the connecting and disconnecting of the circuit in described actuator loop; Described fault testing apparatus accesses described actuator loop, and detects the duty in described actuator loop.
2. automotive electric equipment fault verification according to claim 1 and test macro, is characterized in that, the quantity of described actuator is multiple, and each described actuator forms multiple actuator loop with described control module respectively; Described failure setting device accesses in actuator loop described in each respectively, and described fault testing apparatus connects actuator loop described in each respectively.
3. automotive electric equipment fault verification according to claim 2 and test macro, it is characterized in that, described failure setting device comprises multiple trouble unit, described trouble unit is switch and variable resistor, described switch and variable resistor are connected in series, and in the described actuator loop of access correspondence.
4. automotive electric equipment fault verification according to claim 3 and test macro, it is characterized in that, described control computer connects the positive source of described actuator by control line bundle, and started working by the described actuator of control that switches on power, control described actuator by deenergization and quit work.
5. automotive electric equipment fault verification according to claim 4 and test macro, it is characterized in that, described switch and variable resistor are series on described control wire harness, the break-make in actuator loop described in described switch control rule, and described variable resistor regulates the size of current in described actuator loop.
6. automotive electric equipment fault verification according to claim 2 and test macro, is characterized in that, described fault testing apparatus is in parallel with actuator described in each respectively.
7. automotive electric equipment fault verification according to claim 6 and test macro, it is characterized in that, described fault testing apparatus comprises many group calibrating terminals and detecting device, the described actuator of each group of described calibrating terminal respectively with corresponding is in parallel, and described detecting device detects the voltage of calibrating terminal described in each group.
8. automotive electric equipment fault verification according to claim 7 and test macro, is characterized in that, the two ends of the described calibrating terminal of each group are connected with the positive source of described actuator or power cathode respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520945734.7U CN205158758U (en) | 2015-11-24 | 2015-11-24 | Car electrical equipment trouble sets up and test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520945734.7U CN205158758U (en) | 2015-11-24 | 2015-11-24 | Car electrical equipment trouble sets up and test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205158758U true CN205158758U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520945734.7U Expired - Fee Related CN205158758U (en) | 2015-11-24 | 2015-11-24 | Car electrical equipment trouble sets up and test system |
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| CN (1) | CN205158758U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240323A (en) * | 2017-06-30 | 2017-10-10 | 北京华奥汽车服务股份有限公司 | A kind of control unit for vehicle fault simulator and its control method |
| CN107481601A (en) * | 2017-09-13 | 2017-12-15 | 无锡商业职业技术学院 | Automobile engine fault simulator |
| CN112037604A (en) * | 2020-09-15 | 2020-12-04 | 广州车拉夫汽车科技有限公司 | Automobile fault setting device and system for teaching |
-
2015
- 2015-11-24 CN CN201520945734.7U patent/CN205158758U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240323A (en) * | 2017-06-30 | 2017-10-10 | 北京华奥汽车服务股份有限公司 | A kind of control unit for vehicle fault simulator and its control method |
| CN107481601A (en) * | 2017-09-13 | 2017-12-15 | 无锡商业职业技术学院 | Automobile engine fault simulator |
| CN112037604A (en) * | 2020-09-15 | 2020-12-04 | 广州车拉夫汽车科技有限公司 | Automobile fault setting device and system for teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20161124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |