CN101551949B - Control device of teaching vehicle, teaching vehicle and vehicle teaching system formed by both - Google Patents
Control device of teaching vehicle, teaching vehicle and vehicle teaching system formed by both Download PDFInfo
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- CN101551949B CN101551949B CN2008100898809A CN200810089880A CN101551949B CN 101551949 B CN101551949 B CN 101551949B CN 2008100898809 A CN2008100898809 A CN 2008100898809A CN 200810089880 A CN200810089880 A CN 200810089880A CN 101551949 B CN101551949 B CN 101551949B
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Abstract
The invention provides a control device of a teaching vehicle and a teaching vehicle using the same, wherein the control device is electrically connected with the circuits of the control system of theteaching vehicle to enable the teaching vehicle to simulate to generate various faults by controlling the connection of each circuit. The control device comprises a fault setting unit and a detection unit, wherein the fault setting unit comprises a plurality of fault setting switches, and each fault setting switch can be connected with a circuit of the teaching vehicle in series, and the detectio n unit comprises a plurality of pairs of detection ports which correspond to the fault setting switches, and each pair of detection port is respectively connected with two ends of a fault setting switch in parallel. The teaching vehicle is reformed from a normal vehicle, wherein a plurality of wires of the control system of the teaching vehicle are cut, and two ends of the cut wires are capable ofbeing electrically connected with the control device. The teaching vehicle and the control device are intuitive, and visual, and have good teaching effect, wide teaching contents, complete functions and relatively low cost.
Description
Technical field
The present invention relates to the automobile experiment teaching field, in particular to a kind of control setup of teaching vehicle, use the teaching vehicle of this control setup and the vehicle teaching system that constitutes by this control setup and teaching vehicle.
Background technology
Along with the continuous development of auto-industry and improving constantly of people's living standard, automobile has become the walking-replacing tool of popularizing day by day.Meanwhile, the portfolio of vehicle maintenance and repair also constantly increases, and the working troop of vehicle maintenance and repair also grows stronger day by day.Yet, on the one hand, along with the continual renovation and the development of automotive technology, to the Automobile Service personnel require increasingly high; On the other hand, present Automobile Service personnel amount still can not satisfy the needs of growing auto-industry.Therefore, how to cultivate a large amount of high-caliber vehicle maintenance and repair personnel apace, become development auto-industry inevitable problem.
In the automobile repair process, detecting and diagnosing vehicle failure is a very critical step, because the quality and the efficient that accurately whether are directly determining follow-up work (like trouble-shooting) completion of diagnostic result.Therefore, raising Automobile Service personnel are very necessary to vehicle failure detection and diagnotic ability.
In the prior art, the existing various teaching equipments that are used to train Automobile Service personnel detection and tracing trouble.Particularly, mainly comprise two types: one type is teaching demonstration equipment, like disclosed automobile cruise electronic control system demonstrator among the Chinese utility model CN2824190 that announced on October 4th, 2006; Another kind of is to simulate the teaching test vehicle (true car) that fault is set.First kind teaching equipment is owing to breaking away from true car, and is directly perceived inadequately, vivid as far as the student, thereby often can not reach good teaching efficiency.By contrast, second type of teaching equipment is more directly perceived, helps the student to understand, but bulky usually, cost is higher.And second kind equipment of the prior art, it is very limited to simulate the fault that is provided with, and the expensive teaching equipment (true car) of cost of this meaning can only be used for the less relatively content of professor, and " cost performance " is not high.For example; The teaching test vehicle of " smart car " has abroad appearred being called in last century end to the beginning of this century; This laboratory vehicle is actually from the input end of automotive engine computer and pulls up input electricity bundle socket; Reconfiguration is to the box that is called " BOB " (actual is a switch control capsule), again from " BOB " box bundle of outputs to automobile computer.The a certain circuit that is input to automobile computer is cut off in switch control through to " BOB " box, makes it to produce corresponding phenomenon of the failure.This teaching test vehicle only can be simulated and produced some partial fault that automotive engine receives computer control, and instructional function is very limited, and therefore cost is higher comparatively speaking; In addition, this teaching test vehicle does not provide yet its fault is detected and diagnotic approach.
Again for example; No. 2619389 Chinese utility model patents of CN of announcing on June 9th, 2004 disclose a kind of fault simulation device of automobile ECU complex control system; This device comprises the fault simulation circuit that condition indication circuit and many groups are made up of bistable switching circuit, master cock circuit, preset fault end; Wherein the master cock circuit comprises aerotron and relay; The mouth correspondence of bistable switching circuit connects master cock circuit and condition indication circuit, and the normally closed contact of relay is serially connected between controlling computer and sensor, the power element of automobile ECU complex control system, and it is often opened to touch and is serially connected between controlling computer and the preset fault end.Identical with the teaching test vehicle of " smart car ", the shortcoming that this fault simulation device exists is: the first, and the number of faults that can simulate setting is very limited; The second, only can be used to be provided with fault, and can not be used for detection failure, make the student often can only observe phenomenon of the failure like this from the surface, and can't be to diagnosing malfunction and analysis.Therefore teaching efficiency is not good.
Summary of the invention
One of technical matters that the present invention will solve is, a kind of control setup of teaching vehicle is provided, and adopts this control setup not only to make teaching vehicle can simulate various vehicle failures, but also can detect the fault that is produced with the diagnostic teaching car through this control setup.Therefore, not only more directly perceived, vivid when adopting this control setup and teaching vehicle to impart knowledge to students, teaching efficiency is good, and the content of courses is extensive, and is multiple functional, and comparatively speaking, cost reduces greatly.
Another technical matters that the present invention will solve is that a kind of teaching vehicle of using above-mentioned control setup is provided.
The technical matters again that the present invention will solve is that a kind of vehicle teaching system that is made up of above-mentioned control setup and teaching vehicle is provided.
Basic ideas of the present invention are: according to desire simulation and the fault that detects, the lead of each control system in the general-utility car is cut off, and the lead two ends that cut off are led to control setup; Switch corresponding to every lead is set in control setup, makes that when switch broke off, automobile produced fault, thereby reach the purpose of simulated failure.Simultaneously, control setup of the present invention also provides the detection port of various faults, for student's detection failure.Particularly, technical scheme of the present invention is following:
According to the control setup of teaching vehicle provided by the invention, be used for being connected with the line electricity of the control system of said teaching vehicle, with coupled condition, and make said teaching vehicle simulation produce various faults through each said circuit of control.This control setup comprises that fault is provided with unit and detecting unit.Fault is provided with the unit and comprises that a plurality of faults are provided with switch, and each said fault is provided with in the circuit that switch can be series at said teaching vehicle.Detecting unit comprises many to said fault the cooresponding detection port of switch being set, and every pair of said detection port is parallel to the two ends that a said fault is provided with switch.
According to teaching vehicle provided by the invention; Form by the general-utility car transformation; Wherein the multiple conducting wires of the control system of this teaching vehicle is cut off, and the two ends of the lead of said cut-out can be electrically connected with control setup, and controls the coupled condition of the lead of each said cut-out by control setup.
According to vehicle teaching system provided by the invention, comprise teaching vehicle and control setup.The multiple conducting wires of each control system of said teaching vehicle is cut off.Said control setup comprises that fault is provided with unit and detecting unit.Fault is provided with the unit and comprises that a plurality of faults are provided with switch, and each said fault is provided with in the wire line of each said cut-out that switch series is coupled to said teaching vehicle; Detecting unit comprises many to said fault the cooresponding detection port of switch being set, and every pair of said detection port is parallel to the two ends that a said fault is provided with switch.
Description of drawings
Fig. 1 is the block scheme according to vehicle teaching system provided by the invention, and it shows the annexation of the chief component and the each several part of this system;
Fig. 2 A-2C is the schematic appearance of the control setup of teaching vehicle provided by the invention, and wherein: Fig. 2 A is the shell side view of this control setup; Fig. 2 B is the right elevation of Fig. 2 A, and its fault that shows this control setup is provided with the panel of unit; Fig. 2 C is the left view of Fig. 2 A, and it shows the panel of the detecting unit of this control setup;
Fig. 3 is the circuit block diagram of control setup shown in Fig. 2 A-2C;
Fig. 4 is each switch and every pair of annexation scheme drawing that detects the hole of control setup shown in Fig. 2 A-2C;
Fig. 5 A is the front schematic view that the fault of control setup shown in Fig. 2 A-2C is provided with the unit, and the Name & Location that each fault is provided with the breakdown switch of unit has been shown among the figure;
Fig. 5 B is the circuit theory scheme drawing that fault is provided with the simulation output unit in the unit;
Fig. 6 is the front schematic view of the detecting unit of control setup shown in Fig. 2 A-2C, and the Name & Location of the detection port of each detecting unit has been shown among the figure;
Fig. 7-the 11st, according to the schematic circuit diagram of teaching vehicle provided by the invention, its physical circuit is identical with existing automobile circuit, among the figure mainly be to illustrate which lead is cut off in this teaching vehicle, wherein:
Fig. 7 A, 7B are the schematic circuit diagram of engine management system, the lead that a1 to a29 representes in the engine management system to be cut off among the figure;
Fig. 8 A, 8B are the schematic circuit diagram of control system of speed variator, the lead that b1 to b12 representes in the control system of speed variator to be cut off among the figure;
Fig. 9 is the schematic circuit diagram of ABS control system, and b13 to b20 representes the lead that cut off in the ABS control system among the figure;
Figure 10 is the schematic circuit diagram of air-conditioner control system, the lead that b21 to b30 representes in the air-conditioner control system to be cut off among the figure;
Figure 11 A-11J is the schematic circuit diagram of body electrical control system, and C1 to C30 representes the lead that cut off in the body electrical control system among the figure; And
Figure 12 A is the lateral plan that is used to connect the concentrated output unit of teaching vehicle and control setup;
Figure 12 B is that the F of Figure 12 A is to view.
The specific embodiment
Preferred embodiment below in conjunction with accompanying drawing provides is done further to specify to technology contents of the present invention, yet content shown in the accompanying drawing only supplies to explain the present invention's usefulness, and is not limitation of the present invention.
Referring to Fig. 1,, comprise teaching vehicle 200 and control setup 100 according to vehicle teaching system provided by the invention.Wherein, control setup 100 is the control setup of teaching vehicle provided by the invention, and teaching vehicle 200 is the teaching vehicle of this control setup of application provided by the invention.The multiple conducting wires of each control system of teaching vehicle 200 is cut off; The two ends of the lead that each cuts off are electrically connected with control setup 100 through concentrating output unit 300 and many cables 400 to be electrically connected; Thereby can pass through operating control 100; Make teaching vehicle 200 produce various phenomena of the failure (being the fault that the simulates real car produces), observe, thereby reach the purpose of teaching for the student.Simultaneously, also can utilize instrumentation on control setup 100, fault to be detected and diagnose (seeing for details following) according to concrete phenomenon of the failure.Wherein, cable 400 is a known technology, does not give unnecessary details here.Respectively the concrete structure of control setup 100, teaching vehicle 200 and concentrated output unit 300 is described in detail below.
In a preferred embodiment of the invention, referring to Fig. 2 A-2C, control setup 100 is made into a cabinet type structure, can be referred to as the control housing of imparting knowledge to students.Fig. 2 A-2C shows the face shaping of teaching control housing jointly.Wherein, Fig. 2 A is the lateral plan of teaching control housing; Fig. 2 B is the right elevation of Fig. 2 A, and it shows the panel that fault is provided with unit 1; Fig. 2 C is the left view of Fig. 2 A, and it shows the panel of detecting unit.Shown in figure, fault is provided with unit 1 and is arranged at respectively on two panels of teaching control housing with detecting unit 2, and the panel that it has been generally acknowledged that detecting unit 2 is for positive, and fault the panel of unit 1 is set is the back side.During use, the teacher can be provided with fault overleaf, and the student detects in the front.
Shown in Fig. 2 A, 2B, the back side (fault is provided with on the panel of unit 1) at the teaching control housing also is provided with three cable connectors 3, and fault is provided with unit 1 and all is electrically connected with cable connector 3 with detecting unit 2.Cable connector 3 (the aviation socket that promptly is commonly called as) is commercially available.As long as the cable 400 that will be electrically connected with teaching vehicle 200 during use is electrically connected with cable connector 3, can realize that teaching vehicle 200 and fault are provided with the electrical connection of unit 1 and detecting unit 2.
Front (panel of detecting unit a 2) side at the teaching control housing is provided with the bench board 4 perpendicular with this panel, and bench board 4 is supported by support 41.Bench board 4 is used to place instrumentation.In addition, also be provided with four rolling 5 in the bottom of base of teaching control housing.Therefore, can make things convenient for, move effortlessly the teaching control housing.Obviously, the quantity of roller 5 is not limited to four, but can increase and decrease according to actual needs.
The fault of facing control setup 100 down is provided with unit 1 and is elaborated with detecting unit 2.
Referring to Fig. 3; In the preferred embodiment that the present invention provides, fault is provided with unit 1 and comprises that engine breakdown is provided with unit 11, TRANS PROGRAM and is provided with that unit 12, ABS-system fault are provided with unit 13, unit 14 is set the air-conditioning fault and the body electrical fault is provided with unit 15; Detecting unit 2 comprises driving engine detecting unit 21, change-speed box detecting unit 22, ABS detecting unit 23, air-conditioning detecting unit 24 and body electrical detecting unit 25 accordingly.Certainly; Fault is provided with unit 1 can only comprise that fully above-mentioned partial fault is provided with unit (for example engine breakdown is provided with unit 11 and with TRANS PROGRAM unit 12 is set), and detecting unit 2 correspondingly also only comprised with fault the cooresponding detecting unit in unit (being driving engine detecting unit 21 and change-speed box detecting unit 22) was set this moment.In other words, unit 11-15 is set above-mentioned fault and detecting unit 21-25 is not that each control setup 1 is all prerequisite, but can be provided with according to the actual track of need of teaching and teaching vehicle.Certainly, also can the unit be set according to the fault that need of teaching increases above-mentioned unlisted other.
In addition, as shown in Figure 3, fault is provided with unit 1 and also comprises with engine breakdown the analog signal output unit 16 that unit 11 is electrically connected is set.Analog signal output unit 16 is used to export various analog quantitys, carries out stepless fault setting with the part circuit to driving engine, specifically sees for details following.
Referring to Fig. 4, its angle from microcosmic shows fault unit 1 and detecting unit 2 and the annexation of the two is set.As shown in the figure, fault be provided with unit 1 comprise a plurality of faults be provided with switch 1 ', each fault is provided with switch 1 ' can be series in the circuit of teaching vehicle 200; Detecting unit 2 comprise many to fault be provided with switch 1 ' cooresponding detection port 2 ', a fault of the every pair of detection port 2 ' be parallel to be provided with switch 1 ' two ends.Therefore, when certain fault is provided with switch 1 ' when being in off-state, then can make this circuit of teaching vehicle 200 break off, thereby produce corresponding failure.This moment by instrumentation detect the detection port 2 of this switch ends ', promptly diagnosable have this fault.
Referring to Fig. 5 A, its specifically illustrated the whole faults in the preferred embodiment of the invention be provided with switch 1 '.Each small circle is represented a switch (for clarity sake, only marking the label of a switch among the figure) among the figure, the gear of " normally ", " disconnection " on circle next door, " simulation " expression switch.The THA intake temperature switch (the third line secondary series) that unit 11 is set with engine breakdown is an example, and shown in figure, when this switch is positioned at when leaning on last position, it is in " normally " (being conducting) state; When this switch is positioned at midway location, it is in " disconnection " state, makes this moment the series connected circuit of this switch break off, and promptly produces fault; When this switch be positioned at by under the position time, its be in the input analog signal state (seeing for details following).
Simultaneously please in the lump referring to Fig. 6, its show whole detection port 2 in the preferred embodiment of the invention '.In a preferred embodiment of the invention, detection port 2 ' for detecting the hole as long as the surveyingpin of instrumentation is inserted in a pair of detection hole, can detect the parameters such as electric current, voltage of certain circuit, thereby judge whether this circuit has fault during detection.Each small circle representes that is detected a hole among the figure, and from first row, the same column of adjacent two row up and down detects the hole and constitutes a pair of (for clarity sake, only marking the label in a pair of detection hole among the figure).The same column detection hole that is first and second row constitutes a pair of; The same column of third and fourth row detects the hole and constitutes a pair of; Five, it is a pair of that the same column of six row detects the hole formation.
Shown in Fig. 5 A; In the preferred embodiment that the present invention provides, the fault that engine breakdown is provided with unit 11 is provided with the switch I GSW of switch 1 ' comprise main relay switch MREL, source switch BATT, ignition lock, four fuel injector switch #10-#40, oil controlling valve switch OCV+, two throttle position switch VTA1 and VTA2, fuel oil master cock FC, four ignition switch IGT1-IGT4, igniting feedback switch IGF, two crank position switch NE+ and NE-, camshaft location switch G2, two air flow proving switch VG and EVG, intake temperature switch THW, coolant temperature switch (being cooling-water temperature switch) THW, analog signal source switch (being the 5V source switch) VC, two accelerator pedal switch VPA and VPA2, two exhaust gas oxygensensor switch OX1A and OX1B and source switch+B.
As shown in Figure 6, correspondingly, driving engine detecting unit 21 comprise above-mentioned each fault that unit 11 is set with engine breakdown be provided with switch 1 ' cooresponding detection port 2 '.Like Fig. 5, shown in 6; Detection port 2 ' line number be fault be provided with switch 1 ' the twice of line number; Columns and fault are provided with switch 1 ' equate; The corresponding relation of the two is: every capable fault be provided with switch 1 ' correspondence two row detection port 2 ', in every row fault of each row be provided with switch 1 ' corresponding to same column detection port 2 in the corresponding row of detecting unit '.For example; The switch (main relay switch MERL) that engine breakdown is provided with unit 11 first row, first row among Fig. 5 A is corresponding to first detection hole (EFI, R/1 relay) of first detection hole (E29/ main relay) of first row and second row among Fig. 6, and promptly this two detections hole is parallel to the two ends of main relay switch MREL.Other by that analogy.The fault that following each fault is provided with the unit is provided with the detection port of switch and detecting unit also with the mutual correspondence of same rule.
Referring to Fig. 5 A and Fig. 6; In the preferred embodiment that the present invention provides, the fault that TRANS PROGRAM is provided with unit 12 is provided with switch 1 ' comprise input speed sensing switch NE+ and NE-, GES switch S PD, brake lamp switch STP, oily temperature switch THD, earthing switch E2, pressure control electromagnetic valve switch SLT+ and SLT-, gear shift electromagnetic valve switch S1, S2, lock valve switch S L and timing threshold switch ST; Change-speed box detecting unit 22 correspondingly comprise with the corresponding detection port 2 of each switch '.Wherein fault be provided with switch 1 ' with detection port 2 ' the rule of correspondence as stated.
Please continue referring to Fig. 5 A and Fig. 6; In the preferred embodiment that the present invention provides, the fault that ABS-system fault is provided with unit 13 is provided with switch 1 ' comprise left front tachogen switch FL+, FL-, right front tachogen switch FR+, FR-, left back tachogen switch RL+, RL-and right back tachogen switch RR+, RR-; ABS detecting unit 23 correspondingly comprise with the corresponding detection port 2 of each switch '.Wherein fault be provided with switch 1 ' with detection port 2 ' the rule of correspondence as stated.
Like Fig. 5 A and shown in Figure 6; In the preferred embodiment that the present invention provides, the fault that the air-conditioning fault is provided with unit 14 is provided with switch 1 ' the comprise switch of switch, power-transfer clutch relay switch, electromagnetic switching clutch, temperature sensor switch, amplifier earthing switch, resistance-grounded system switch and the fan switch of air-conditioning source switch, air conditioning switch signal switch, pressure switch; Air-conditioning detecting unit 24 correspondingly comprise with the corresponding detection port 2 of each switch '.Wherein fault be provided with switch 1 ' with detection port 2 ' the rule of correspondence as stated.
Please continue referring to Fig. 5 A and Fig. 6; In the preferred embodiment that the present invention provides, the body electrical fault is provided with unit 15 and comprises right main furnace building light switch H13/1, left main furnace building light switch H1 1/1, light modulation switch H12/1, back-up lamp switch B14,15/1, taillight and registration mark light switch R6, L1, fog tail lamp switch R19/1, right steering flash light switch T4/2, left steering flash light switch T4/3, stop lamp switch H10/1, adverse-weather lamp switch R6, F3, R4/2, washing motor switch W1/2, rain shaving electrical machine switch F7/4, F7/3, left back door switch, left front door switch, right back door switch, right front door switch, integrated relay switch UL1 and L1, window main switch source switch, right back window source switch, right front window source switch, right back window switch S D, SU, right front window switch S D, SU, main switch earthing switch, left-hand mirror switch and right back visor switch M+, MV, MH in the vicinity; Body electrical detecting unit 25 correspondingly comprise with the corresponding detection port 2 of each switch '.Wherein fault be provided with switch 1 ' with detection port 2 ' the rule of correspondence as stated.
Obviously, Fig. 5 A and 6 shown faults are provided with switch 1 ' and detection port 2 ' only be exemplary, and are not limitation of the present invention.When those skilled in the art are provided with unit 1 with detecting unit 2 in each fault of design, can reasonably be provided with according to the actual track of need of teaching and teaching vehicle fully fault simulation switch 1 ' reach detection port 2 '.
Return hospitality the B referring to Fig. 2 again, first in three cable connectors 3 shown in the figure is provided with unit 11 with engine breakdown and is electrically connected with driving engine detecting unit 21; Second is provided with TRANS PROGRAM that unit 12, ABS-system fault are provided with unit 13, unit 14 is set the air-conditioning fault and change-speed box detecting unit 22, ABS detecting unit 23, air-conditioning detecting unit 24 are electrically connected; The 3rd with the body electrical fault be provided with unit 15 be electrically connected with body electrical detecting unit 25 (promptly three cable connectors 3 respectively with Fig. 5 A and Fig. 6 in three bulk faults the unit is set and detecting unit is electrically connected).
Referring to Fig. 5 B; In a preferred embodiment of the invention; Analog signal output unit 16 comprises that charge air analog signal output circuit 161, intake temperature analog signal output circuit 162, coolant temperature analog signal output circuit 163 and Das Gaspedal analog signal output circuit 164, four are electrically connected with air flow proving switch, intake temperature switch, coolant temperature switch and accelerator pedal switch respectively.Shown in Fig. 5 A and 5B; VG air flow proving switch, intake temperature switch, coolant temperature switch and accelerator pedal switch all have normally, break off and simulate three gears; When above-mentioned each switch was in the simulation gear, it connected above-mentioned each analog signal output circuit.Above-mentioned each analog signal output circuit 161,162,163,164 comprises a variable resistance W3, W2, W1, W4 and an analog signal display instrument 1611,1621,1631,1641 respectively; Each variable-resistance regulating control (among the figure shown in the arrow) is electrically connected with the simulation gear of each said switch respectively, and each said analog signal display instrument is connected between the common port of power supply and each said switch.Through regulating each variable-resistance regulating control; Can make the different analog quantity (electric current, voltage) of breakdown switch input, so that the teaching vehicle simulation is in the various phenomena of the failure of the control operating mode generation of different environment parameter (like different cooling-liquid temperatures, intake temperature etc.) and different operating parameters (like different charge airs and throttle delivery quality etc.).Observe for ease of the student, like Fig. 2 C, in a preferred embodiment of the invention, above-mentioned each analog signal display instrument 1611,1621,1631 and 1641 and variable-resistance regulating control 1612,1622,1632 and 1642 all be arranged at and detect on the panel.Therefore the student can regulate the analog quantity of input on one side, on one side the numerical value that shows according to instrument, observe it to the influence of automotive engine work and the faulty condition that causes, and the place of detection and failure judgement.
According to teaching vehicle provided by the invention, form by the general-utility car transformation.The method of transforming is the multiple conducting wires cut-out with the general-utility car control system, and the two ends of the lead that cuts off are led to and can be electrically connected with external circuitry.Because this teaching vehicle has been cut off with the different multiple conducting wires of its each control system that only are of general-utility car, so the present invention only explains the concrete cut circuit of this teaching vehicle, will not give unnecessary details for other content identical with prior art.
Referring to Fig. 7 A-11J; In the preferred embodiment that the present invention provides, cut lead comprises the lead of engine management system, the lead of control system of speed variator, the lead of ABS control system, the lead of air-conditioner control system and the lead of body electrical control system.Particularly:
Fig. 7 A, 7B are the schematic circuit diagram of the engine management system of teaching vehicle of the present invention.As shown in the figure, in the preferred embodiment that the present invention provides, the lead of cut engine management system has 29 (representing with a1-a29 respectively among the figure), comprising:
The EFI relay is connected to the lead a1 of the MREL pin of ECM (being engine computer);
Power supply is connected to the lead a2 of the BATT pin of ECM;
Ignition lock is connected to the lead a3 of the IGSW pin of ECM;
Respectively the 1-4 fuel injector is electrically connected to #10, #20, the #30 of ECM, four lead a4-a7 of #40 pin;
OCV Oil Control Valve C2 was electrically connected to the lead a8 of the OCT pin of ECM when cam was just being changeed;
Respectively throttle position sensor VAT1, VAT2 are electrically connected to VAT1, two lead a9 of VAT2 pin, the a10 of ECM;
Fuel charger is electrically connected to the lead a11 of the FC pin of ECM;
Four lead a12-a15 that respectively the IGT pin of the high-tension coil of four-cylinder are electrically connected with IGT1, IGT2, IGT3, the IGT4 of ECM;
The lead a16 that the IGF pin of the high-tension coil of four cylinders is electrically connected with the IGF pin of ECM;
Respectively with the pin NE of crank-position sensor and ECM
+And NE
-The two lead a17, the a18 that are electrically connected;
Pin G2 with CMP sensor C1 and ECM
+The lead a19 that is electrically connected;
The lead a20, a21, the a22 that respectively VG, E2G and the THA pin of mass air flow meter are electrically connected with VG, EVG and the THA pin of ECM;
The lead a23 that engine coolant temperature sensor is electrically connected with the THW pin of ECM;
Simulation of engine power supply (5V source of AC) is electrically connected to the lead a24 of the VC pin of ECM;
With the VPA1 of accelerator pedal position sensor A37 and lead a25, the a26 of VPA2 pin electrical connection ECM;
Two heating type oxygen sensors S1, S2 are electrically connected to lead a27, the a28 of ECM; And the power lead a29 of ECM.
Please in the lump referring to Fig. 5 A and Fig. 7 A, 7B, the lead that cuts off among Fig. 7 A, the 7B is provided with switch 1 ' corresponding by following relation and fault among Fig. 5 A: the fault among Fig. 5 A be provided with switch 1 ' from left to right, from top to bottom successively with Fig. 7 A, 7B in lead a1-a29 corresponding.That is: a1 is corresponding to the switch (main relay switch) of first row, first row among Fig. 5 A; A2 is corresponding to the switch (source switch) of the first row secondary series among Fig. 5 A;, a11 is corresponding to the switch (fuel oil master cock FC) of second row, first row among Fig. 5 A, and other is by that analogy.
Shown in Fig. 7 A, 7B, for clarity sake, show solid stain and empty circles respectively at the two ends of label a1-a29, wherein solid stain all is positioned at the side near engine computer ECM, and empty circles is positioned at opposite side.Wherein, Solid stain in each lead and empty circles also represent in this lead and the control setup each to detection port 2 ' electrical connection: as previously mentioned; From top to bottom; It is a pair of that the same columns of adjacent two row detect hole 2 ' formations, and control setup 100 is with after teaching vehicle 200 is electrically connected, and solid stain place should be electrically connected with the first capable hole of detecting among Fig. 6; And empty circles accordingly with Fig. 6 in second row detect the hole and be electrically connected.For being illustrated more clearly in above-mentioned annexation, below casehistory.
It still is example (referring to Fig. 7 B) with a1; Control setup 100 is with after teaching vehicle 200 is electrically connected; Should make main relay switch 1 among Fig. 5 A ' be electrically connected between the solid stain and empty circles of a1 circuit; And first detection of the row of first among Fig. 6 hole main relay E29/4 is electrically connected with the solid stain place on a1 right side, and first detection of second row hole EFI, R/1 then are electrically connected with the empty circles place in a1 left side.
For more clearly demonstrating, below with the tabulation mode explain each lead that cuts off and fault be provided with switch 1 ' reach detection port 2 ' corresponding relation, and each fault is provided with fault content and phenomenon of the failure that switch can be provided with.
Table 1: engine breakdown setting
Table 1 explanation when switch MREL main relay is in open position, and makes when circuit a1 breaks off that the phenomenon of the failure that teaching vehicle produces is: engine off, not under command light does not work.Detect curtage hole and " EFI, R/1 relay/1 " detection hole (respectively be electrically connected on " the ECM last MREL pin that connect main relay " and " EFIR/1 EFI relay/1 " in Fig. 7 B) between by " the E29/4 main relay " that instrumentation detects among Fig. 6 this moment, and promptly diagnosable this circuit is out of order.Other by that analogy.
Referring to Fig. 8-10 and Fig. 5 A and 6; In the preferred embodiment that the present invention provides, the lead of cut control system of speed variator comprises the lead (representing with b1-b12 among Fig. 8) that turbine speed sensor, combination instrument, braking signal switch, oily temperature temperature sensor, pressure control electromagnetic valve, gear shift electromagnetic valve, lock valve and timing valve is connected to the change-speed box computer.The lead of cut ABS control system comprises the lead (representing with b13-b20 among Fig. 9) that the near front wheel tachogen, off front wheel tachogen, left rear wheel tachogen and off hind wheel tachogen is connected to the ABS computer.The lead of cut air-conditioner control system comprises the lead that air conditioning switch A21 is connected to wire fuse; Air conditioning switch A21 is connected to the lead of AIR COND SIG Air Conditioner Singnal amplifier A16; Dual-pressure switch A4 is connected to the lead of AIR COND SIG Air Conditioner Singnal amplifier A16; The magnetic clutch relay is connected to the lead of AIR COND SIG Air Conditioner Singnal amplifier A16; Magnetic clutch A2 is connected to the lead of the normal open switch of magnetic clutch relay; Evaporator temperature sensor A18 is connected to the lead of AIR COND SIG Air Conditioner Singnal amplifier A16; AIR COND SIG Air Conditioner Singnal amplifier A16 connected to chassis lead; Blower B 5 connected to chassis leads and blower switch is connected to the lead (representing with b21-b30 among Figure 10) of blower resistor device.
For being illustrated more clearly in; Below equally with the tabulation mode illustrate respectively cut off in change-speed box, air-conditioning and the ABS control system lead and fault be provided with switch 1 ' reach detection port 2 ' corresponding relation, and each fault is provided with fault content and phenomenon of the failure that switch can be provided with.
Table 2: change-speed box, air-conditioning and ABS-system fault switching function are provided with
The implication of relevant special symbol is following in the table 2:
Δ is represented: ABS warning lamp is bright, and examination no abs braking in road has only conventional brake.
* expression: in automatic transmission with hydraulic torque converter, because fault generating is arranged, when ignition lock is " ON "; Behind the engine starting; Instrument carrier panel indicating fault lantern festival continues shinny, and the flicker of O/D indicator lamp makes driving engine and automatic transmission with hydraulic torque converter computer get into the fail safe state during examination of road.
* and * * * all represent the relation between S1, S2, three electromagnetic valves of S7, and its concrete implication can be with reference to related data.
As far as the vehicle maintenance and repair personnel, the implication of above-mentioned symbol is a common practise, perhaps can consult from related data.
Referring to Figure 11 A-11J and Fig. 5 A and 6; In the preferred embodiment that the present invention provides, the lead of cut body electrical control system comprises following lead: the electric power conductor of right country beam, the electric power conductor of left country beam, signal wire (SW) and the right back visor of grounding jumper, the left-hand mirror of power lead, signal wire (SW) that the right back window of control rises, signal wire (SW) that the right back window of control descends, signal wire (SW) that the left back window of control rises, signal wire (SW) that the left back window of control descends, the window main switch of electric power conductor, the electric power conductor of fog tail lamp, the electric power conductor of left steering lamp, the electric power conductor of right steering lamp, the electric power conductor of brake lamp, the electric power conductor of adverse-weather lamp, the electric power conductor of washing motor, the electric power conductor of rain shaving electrical machine, the electric power conductor of left back door-lock motor, the electric power conductor of left front door-lock motor, the electric power conductor of right back door lock, the electric power conductor of right front door lock, the electric power conductor of integrated relay, the power lead of window main switch, the power lead of right back window, the right front window of electric power conductor, taillight and the registration mark light of electric power conductor, the backing-up lamp of light modulation move up and down the lead (representing with C1-C30 respectively among the figure) with sway in the vicinity.
Equally, for clarity sake, below also with the tabulation mode illustrate respectively cut off in the body electrical control system lead and fault be provided with switch 1 ' and detection port 2 ' corresponding relation, and each fault is provided with fault content and phenomenon of the failure that switch can be provided with.
Table 3: body electrical breakdown switch function setting
Obviously, the lead of the described above-mentioned cut-out of this preferred embodiment only is exemplary, and those skilled in the art can increase or reduce the lead that cuts off fully according to the actual track of need of teaching and automobile when making teaching vehicle.
Referring to Figure 12 A, 12B; In the preferred embodiment that the present invention provides; Concentrate output unit 300 to comprise fixed bearing 301 and be arranged at three cable connectors 302 on the fixed bearing 301, cable connector 302 is identical with cable connector 3 on the control housing of imparting knowledge to students.This cable connector has many pins (for example 40 or 60), and every pin can be connected electrical connection with a lead.
Shown in Figure 12 A, 12B, fixed bearing 301 comprises diapire 3011 and sidewall 3012, and therefore diapire 3011 through hole that has been shaped can be fixed in fixed bearing 301 on the teaching vehicle by the through hole that screw passes diapire 3011.Cable connector 302 is installed on the sidewall 3012.
Wherein, The lead a1-a29 of cut engine management system is electrically connected with first cable connector; The lead b1-b30 of the lead of the lead of cut control system of speed variator, ABS control system and air-conditioner control system is electrically connected with second cable connector, and the lead C1-C30 of cut body electrical control system is electrically connected with the 3rd cable connector.
Therefore, when desire uses control setup provided by the invention and teaching vehicle to impart knowledge to students, only need cable connector 302 and cable connector 3 on the control setup 100 to be electrically connected correspondingly and get final product by extraneous cable 400.
The foregoing description only supplies to explain the present invention's usefulness, and is not limitation of the present invention, those skilled in the art under the premise without departing from the spirit and scope of the present invention, the various equivalent structures of being made change all within protection scope of the present invention.Protection scope of the present invention is defined by the claims.
Claims (15)
1. the control setup of a teaching vehicle; Be used for being connected with the line electricity of the control system of said teaching vehicle; With coupled condition, and make said teaching vehicle simulation produce various faults, it is characterized in that through each said circuit of control; Said teaching vehicle is the lead cut-out of true each control system of car to be transformed form, and this control setup comprises:
Fault is provided with unit (1), comprises that a plurality of faults are provided with switch (1 '), and each said fault is provided with in the circuit that switch (1 ') is series at said teaching vehicle; And
Detecting unit (2) comprises that many every pair of said detection port (2 ') is parallel to the two ends that a said fault is provided with switch (1 ') to said fault the cooresponding detection port of switch (1 ') (2 ') being set,
Said fault is provided with unit (1) and comprises that engine breakdown is provided with unit (11), TRANS PROGRAM and unit (12), ABS-system fault are set unit (13), air-conditioning fault are set unit (14) and body electrical fault are set one or more in the unit (15) are set,
Said detecting unit (2) comprises one or more in driving engine detecting unit (21), change-speed box detecting unit (22), ABS detecting unit (23), air-conditioning detecting unit (24) and the body electrical detecting unit (25) accordingly,
Said fault is provided with unit (1) and also comprises with said engine breakdown the analog signal output unit (16) that unit (11) is electrically connected is set,
The said fault that said engine breakdown is provided with unit (11) is provided with switch (1 ') and comprises the main relay switch; Source switch; The switch of ignition lock; The fuel injector switch; The oil controlling valve switch; Throttle position switch; The fuel oil master cock; Ignition switch; The igniting feedback switch; The crank position switch; The camshaft location switch; Air flow proving switch; The intake temperature switch; The coolant temperature switch; The analog signal source switch; Accelerator pedal switch; One or more in exhaust gas oxygensensor switch and the source switch
Said driving engine detecting unit (21) correspondingly comprises one or more pairs of and the corresponding said detection port of each said switch (2 ').
2. control setup according to claim 1; It is characterized in that; Said analog signal output unit (16) comprises charge air analog signal output circuit (161), intake temperature analog signal output circuit (162), coolant temperature analog signal output circuit (163) and Das Gaspedal analog signal output circuit (164); Four are electrically connected with said air flow proving switch, intake temperature switch, coolant temperature switch and accelerator pedal switch respectively; Said air flow proving switch, intake temperature switch, coolant temperature switch and accelerator pedal switch all have normally, break off and simulate three gears; When above-mentioned each switch was in the simulation gear, it connected above-mentioned each analog signal output circuit.
3. control setup according to claim 2; It is characterized in that; Above-mentioned each analog signal output circuit (161,162,163,164) comprises a variable resistance and an analog signal display instrument respectively; Each said variable-resistance regulating control is electrically connected with the simulation gear of each said switch respectively, and each said analog signal display instrument is connected between the common port of power supply and each said switch.
4. according to any described control setup among the claim 1-3, it is characterized in that, also comprise at least one cable connector (3), switch (1 ') is set each said fault and said detection port (2 ') is electrically connected with said cable connector (3).
5. control setup according to claim 4; It is characterized in that: comprise three cable connectors altogether; Unit (11) is set said engine breakdown and said driving engine detecting unit (21) is connected to first cable connector; Said TRANS PROGRAM is provided with that unit (12), ABS-system fault are provided with unit (13), unit (14) is set the air-conditioning fault and said change-speed box detecting unit (22), ABS detecting unit (23), air-conditioning detecting unit (24) are connected to second cable connector, and unit (15) is set said body electrical fault and body electrical detecting unit (25) is connected to the 3rd cable connector.
6. a teaching vehicle is formed by true car transformation, it is characterized in that said teaching vehicle comprises control setup as claimed in claim 1.
7. teaching vehicle according to claim 6 is characterized in that, said cut lead comprises the lead of engine management system, control system of speed variator, ABS control system, air-conditioner control system and body electrical control system.
8. teaching vehicle according to claim 7; It is characterized in that the lead of said cut control system of speed variator comprises the lead that turbine speed sensor, combination instrument, braking signal switch, oily temperature temperature sensor, pressure control electromagnetic valve, gear shift electromagnetic valve, lock valve and timing valve is connected to the change-speed box computer.
9. teaching vehicle according to claim 7; It is characterized in that the lead of said cut ABS control system comprises the lead that the near front wheel tachogen, off front wheel tachogen, left rear wheel tachogen and off hind wheel tachogen is connected to the ABS computer.
10. teaching vehicle according to claim 7; It is characterized in that, the lead of said cut air-conditioner control system comprise with air conditioning switch (A21) be connected to wire fuse lead, with air conditioning switch (A21) be connected to AIR COND SIG Air Conditioner Singnal amplifier (A16) lead, with dual-pressure switch (A4) be connected to AIR COND SIG Air Conditioner Singnal amplifier (A16) lead, with the magnetic clutch relay be connected to AIR COND SIG Air Conditioner Singnal amplifier (A16) lead, with magnetic clutch (A2) be connected to the normal open switch of magnetic clutch relay lead, evaporator temperature sensor (A18) is connected to the lead, AIR COND SIG Air Conditioner Singnal amplifier (A16) connected to chassis lead, blowing engine (B5) connected to chassis lead of AIR COND SIG Air Conditioner Singnal amplifier (A16) and blower switch is connected to the lead of blower resistor device.
11. teaching vehicle according to claim 7; It is characterized in that the lead of said cut body electrical control system comprises following lead: the electric power conductor of right country beam, the electric power conductor of left country beam, signal wire (SW) and the right back visor of grounding jumper, the left-hand mirror of power lead, signal wire (SW) that the right back window of control rises, signal wire (SW) that the right back window of control descends, signal wire (SW) that the left back window of control rises, signal wire (SW) that the left back window of control descends, the window main switch of electric power conductor, the electric power conductor of fog tail lamp, the electric power conductor of left steering lamp, the electric power conductor of right steering lamp, the electric power conductor of brake lamp, the electric power conductor of adverse-weather lamp, the electric power conductor of washing motor, the electric power conductor of rain shaving electrical machine, the electric power conductor of left back door-lock motor, the electric power conductor of left front door-lock motor, the electric power conductor of right back door lock, the electric power conductor of right front door lock, the electric power conductor of integrated relay, the power lead of window main switch, the power lead of right back window, the right front window of electric power conductor, taillight and the registration mark light of electric power conductor, the backing-up lamp of light modulation move up and down the lead with sway in the vicinity.
12., it is characterized in that according to any described teaching vehicle among the claim 6-11, also comprise concentrated output unit, said concentrated output unit comprises fixed bearing and is arranged at three cable connectors on the said fixed bearing.
13. teaching vehicle according to claim 12; It is characterized in that; The lead of said cut engine management system is electrically connected with first cable connector in said three cable connectors; The lead of the lead of said cut control system of speed variator, ABS control system and the lead of air-conditioner control system are electrically connected with second cable connector in said three cable connectors, and the lead of said cut body electrical control system is electrically connected with the 3rd cable connector in said three cable connectors.
14. a vehicle teaching system comprises:
Teaching vehicle (200), said teaching vehicle (200) are the multiple conducting wires cut-out of true each control system of car to be transformed form; And
Control setup as claimed in claim 1 (100).
15. vehicle teaching system according to claim 14; It is characterized in that; Said teaching vehicle (200) also comprises concentrated output unit (300), and said concentrated output unit (300) comprises fixed bearing (301) and is arranged at three cable connectors (302) on the said fixed bearing (301)
Said control setup also comprises at least one cable connector (3), and switch (1 ') is set each said fault and said detection port (2 ') is electrically connected with said cable connector (3),
The cable connector (302) that said concentrated output unit comprises is electrically connected with the cable connector that said control setup comprises through cable correspondingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100898809A CN101551949B (en) | 2008-04-03 | 2008-04-03 | Control device of teaching vehicle, teaching vehicle and vehicle teaching system formed by both |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100898809A CN101551949B (en) | 2008-04-03 | 2008-04-03 | Control device of teaching vehicle, teaching vehicle and vehicle teaching system formed by both |
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| Publication Number | Publication Date |
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| CN101551949A CN101551949A (en) | 2009-10-07 |
| CN101551949B true CN101551949B (en) | 2012-01-25 |
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| CN2008100898809A Expired - Fee Related CN101551949B (en) | 2008-04-03 | 2008-04-03 | Control device of teaching vehicle, teaching vehicle and vehicle teaching system formed by both |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800237A (en) * | 2012-06-27 | 2012-11-28 | 宁波城市职业技术学院 | On-line detecting, diagnosing and teaching training platform for automobile engine control system |
| CN103926498A (en) * | 2013-01-11 | 2014-07-16 | 上海大众汽车有限公司 | Finished automobile dynamic diagnosis and test platform and method |
| CN103716969B (en) * | 2014-01-10 | 2015-08-26 | 重庆广播电视大学 | Small vehicle LED tail and license plate lamp |
| CN105869483A (en) * | 2016-05-27 | 2016-08-17 | 中原工学院 | Malfunction setting box of hot-film air flow meter sensor of automobile |
| CN109187882A (en) * | 2018-10-07 | 2019-01-11 | 四川精诚达机动车维修技术咨询有限公司 | A kind of training platform testing and analyzing gasoline engine tail gas |
| CN110060541B (en) * | 2019-05-20 | 2024-04-26 | 中国人民解放军空军工程大学航空机务士官学校 | Simulation training system for airplane navigation posture equipment |
| CN110488798B (en) * | 2019-08-21 | 2021-05-04 | 北京百通科信机械设备有限公司 | Data control method and data control system |
| CN112037603A (en) * | 2020-09-15 | 2020-12-04 | 广州车拉夫汽车科技有限公司 | Automobile teaching system |
| CN113985172A (en) * | 2021-10-26 | 2022-01-28 | 盐城工学院 | Make things convenient for automobile inspection box of teaching experiment |
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| CN2255644Y (en) * | 1995-11-22 | 1997-06-04 | 高明营 | Teaching demonstration board for automobile electric system |
| CN2619839Y (en) * | 2003-05-06 | 2004-06-09 | 山东理工大学 | Fault simulator for automobile ECU integrated controlling system |
| CN2824190Y (en) * | 2005-08-08 | 2006-10-04 | 祝常红 | Teaching board for automobile cruising electronic control system |
| CN2919411Y (en) * | 2006-07-13 | 2007-07-04 | 管文礼 | Automobile fault experiment table circuit fault box |
| CN101038236A (en) * | 2007-02-12 | 2007-09-19 | 浙江大学 | Practical training system for detecting failure of automobile automatic speed changing box and method thereof |
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|---|---|---|---|---|
| CN2255644Y (en) * | 1995-11-22 | 1997-06-04 | 高明营 | Teaching demonstration board for automobile electric system |
| CN2619839Y (en) * | 2003-05-06 | 2004-06-09 | 山东理工大学 | Fault simulator for automobile ECU integrated controlling system |
| CN2824190Y (en) * | 2005-08-08 | 2006-10-04 | 祝常红 | Teaching board for automobile cruising electronic control system |
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| CN101038236A (en) * | 2007-02-12 | 2007-09-19 | 浙江大学 | Practical training system for detecting failure of automobile automatic speed changing box and method thereof |
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| CN101551949A (en) | 2009-10-07 |
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