CN105676840B - Automobile electric control system tester and its method of testing - Google Patents
Automobile electric control system tester and its method of testing Download PDFInfo
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- CN105676840B CN105676840B CN201610101380.7A CN201610101380A CN105676840B CN 105676840 B CN105676840 B CN 105676840B CN 201610101380 A CN201610101380 A CN 201610101380A CN 105676840 B CN105676840 B CN 105676840B
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- relay
- ecu
- circuit diagram
- control system
- calibrating terminal
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
Abstract
The invention discloses a kind of automobile electric control system tester and its method of testing, including testing cassete, the testing cassete has computer, control module, M first interface end, M second interface end, M bar electric wirings, N number of calibrating terminal and relay matrix, each electric wiring connects corresponding described first, second interface end, the control module controls the break-make of the electric wiring, the relay matrix includes M*N the 3rd relays, the computer is stored with multiple circuit diagrams and database corresponding with the circuit diagram, the circuit diagram has ECU stitch datas, the database is the database of ECU stitch and calibrating terminal corresponding relation.The present invention can be according to the ECU stitch datas of selected physical circuit figure, the automatic definition for changing calibrating terminal on test panel, coordinate again and change different male and female connector group, you can with realize to different automakers, different automobile types, different electric-control systems it is generally applicable.
Description
Technical field
The application is related to automobile electric control system testing field.
Background technology
When being diagnosed to Auto Electronic Controlled System (hereinafter referred to as electric-control system), it is necessary first to use fault diagnosis
Instrument reads the information such as the DTC of electronic control unit (hereinafter referred to as ECU) storage inside, then just needs to use one kind to be called
The device of testing cassete detects to specific wire harness, part and ECU.One end of this testing cassete is one group of famale connector and one group
Male contact, famale connector are used for the ECU for connecting electric-control system, and male contact is used to connect automotive wire bundle.The inside stitch of famale connector and
The inside stitch of male contact is corresponded and is connected, so as to ensure in the case where testing cassete accesses, electric control system ECU and vapour
Electrical communication between vehicle wire harness.The other end is a panel, and 105 calibrating terminal (specific calibrating terminals are arranged on panel
Quantity is identical with ECU stitch quantity), each calibrating terminal is connected respectively to each pin of electric control system ECU by wire harness
On pin.Test of the auto repair technician to each calibrating terminal on testing cassete, it is equivalent to test each of electric control system ECU
Stitch.More representative testing cassete product is the testing cassete V.A.G 1598/42 of Volkswagen, this test
Box installation is simple, and many is improved compared to without using testing cassete, test job efficiency.But this testing cassete can only be tested
The specified electric-control system of producer is specified, can not be generally applicable for different manufacturers, different automobile types, different electric-control systems.During test
Need to test while search the control data of calibrating terminal on panel, it is inconvenient for operation and waste time and energy and not vivid
Intuitively.
The content of the invention
The present invention provides a kind of new automobile electric control system tester.
The present invention provides a kind of automobile electric control system tester, including testing cassete, and the testing cassete has computer, control
Module, the M first interface end that automotive wire bundle can be connected, M second interface end, the M that automobile electric control system ECU can be connected
Bar electric wiring, N number of calibrating terminal and relay matrix, N are less than M, and each electric wiring connects corresponding described the
First, second interface end, the control module control the break-make of the electric wiring, and the relay matrix includes M*N the 3rd
Relay, the coordinate of each 3rd relay is (i, j), and the i is ECU stitch sequence numbers, and the j is calibrating terminal sequence number,
M row input of the relay matrix connects first interface end, N number of row output end difference of the relay matrix respectively
N number of calibrating terminal is connected, the computer is stored with multiple circuit diagrams and database corresponding with the circuit diagram, the circuit
Figure has ECU stitch datas, and the database purchase has the corresponding relation of ECU stitch and calibrating terminal, when user is selected described
During circuit diagram, the computer sends control instruction according to ECU stitch datas to the relay matrix, makes the of respective coordinates
Three relays close.
First interface end arranged in sequence, its sequence number is 1,2,3 ... M successively, as input signal and M line of automotive wire bundle
Road corresponds and connected.Second interface end is sequentially corresponding one by one with first interface end, as output signal and the M of automobile ECU
Individual stitch is corresponded and connected.
M first interface end can be integrated in same joint, i.e., the joint can have M stitch.M second interface
End can be integrated in same joint, i.e., the joint can have M stitch.Certainly, M first, second interface ends can divide
It is distributed in two or more joints.
Operation has application software in computer, be responsible for the selection of circuit diagram, the verification of male and female connector and circuit diagram with it is outer
The interaction of sector signal；Layout has the line relation of electric wiring on described circuit diagram, specific component and ECU on circuit diagram
Pass through each calibrating terminal and the switch connection of port Off-line control.The physics on calibrating terminal and perforate display on circuit diagram
Calibrating terminal corresponds.Port Off-line control switch on the circuit diagram is also the end that off-line state is represented with different colours
The offline indicator of mouth.
Computer is stored with circuit diagram and database corresponding with circuit diagram.Common, same electric-control system can be right
Multiple circuit diagrams are answered, then ECU stitch datas are distributed in multiple circuit diagrams.
Database can reflect the corresponding relation of ECU stitch and calibrating terminal.For relay matrix, each 3rd relay
The corresponding ECU stitch of device and a calibrating terminal, i.e. the coordinate position of the 3rd relay is by ECU stitch sequence number and test lead
Sub- sequence number determines, after user selectes circuit diagram, calculator closes the 3rd relay of respective coordinates according to the database, from
And the signal matched with each calibrating terminal is determined in numerous input signals, these signals is connectable to corresponding test
Terminal.
The break-make of each bar electric wiring is controlled by the control module by the first relay group, first relay group
Including M the first relays, each first relay connects first, second corresponding interface end, the control module
Control the break-make of first relay.When first relay disconnects, the electrical connection between automotive wire bundle and ECU has been cut off.
Application software on computer, to control being opened or closed for the first relay, works as place according to ignition switch signal
When ECU off-line test patterns, the first all relays is off-state, cut-out and ECU connection.The now offline moulds of ECU
Formula indicator for displaying is a kind of color.When in ECU on-line testing patterns, the first all relays is closure state, this
When ECU off-line modes indicator for displaying be another color.In this mode, application software can also be according to specific port
Off-line control switch (the specific port Off-line control switchs and on circuit diagram, and only in on-line testing pattern
Talented effect), some specific first relay is disconnected, it is individually cut off the connection with ECU, now this specific port
Offline indicator for displaying represents offline color to be a kind of, is otherwise shown as a kind of and represents online color.
The testing cassete also has the second relay group that can automatically generate ignition switch signal, second relay
Group includes M the second relays, and the input of each second relay connects corresponding first interface end.Each second after
The output end of electrical equipment can connect igniting switch testing terminal.
Second relay group selects the ignition switch signal wire of system circuit diagram according to the control of control module, as output
The ignition switch calibrating terminal that passes on test panel is simultaneously fed back in computer by control module；Application on computer is soft
Part, if ignition switch is in an ON state (Key-on), is opened according to the current test pattern of ignition switch signal deciding
ECU on-line testing patterns；If ignition switch is off (Key-off), ECU off-line test patterns are opened.
First relay group, the second relay group and relay matrix are powered by automobile cigarette lighter power supply.
Described automobile electric control system tester, in addition to display, the display have and the calibrating terminal pair
The perforate answered.That is, display can be perforate display.
Circuit diagram can also include graph data, and display can show graph data.
Described automobile electric control system tester, in addition to the first wire harness group and the second wire harness group, the first wire harness group
The first interface end is connected, the second wire harness group connects the second interface end.
First, second wire harness group can include one or at least both threads beam.
The circuit diagram also has port Off-line control corresponding with first relay switch, and the port is controlled offline
System switch is connected with the control module signal, when making the port Off-line control switch activator of corresponding a certain first relay, institute
Control module control a certain first relay is stated to disconnect.
Each first relay correspond to a port Off-line control switch, by control the port inside the circuit diagram from
Line control switch, to control the disconnection of some the first relay；During the Off-line control switch un-activation of port, the first relay closes
Close；During the Off-line control switch activator of port, the first relay disconnects.
A kind of method of testing of described automobile electric control system tester, including step：
A) the selected instruction of circuit diagram of user's input is received；
B) the male and female connector ID data in the ID data and database that contrast is read from male and female connector, it is such as identical, then enter
Enter step c)；
C) according to actual measurement vehicle ignition lock state automatically select test pattern, that is, select ECU on-line testings pattern or
Select ECU off-line test patterns；
D) control module closes the 3rd relay of respective coordinates, makes input signal and match according to the circuit diagram
Calibrating terminal between electrical communication, complete the automatic setting to calibrating terminal.
A kind of method of testing of automobile electric control system tester, including step：
A) the selected instruction of circuit diagram of user's input is received；
B) the male and female connector ID data in the ID data and database that contrast is read from male and female connector, it is such as identical, then enter
Enter step c)；
C) ignition switch signal is read, test pattern is determined according to the ignition switch signal；
D) state of read port Off-line control switch, opened as some port Off-line control switchs, then into step
e)；
E) independently disconnect the particular relay of the first relay group and make other relays continue to close；
F) control module closes the 3rd relay of respective coordinates, makes input signal and match according to the circuit diagram
Calibrating terminal between electrical communication, complete the automatic setting to calibrating terminal.
The beneficial effects of the invention are as follows：Can be automatic to change test according to the ECU stitch datas of selected physical circuit figure
The definition of calibrating terminal on panel, then coordinate and change different male and female connectors, you can to realize to different automakers, no
Same vehicle, different electric-control systems it is generally applicable.
Brief description of the drawings
Fig. 1 is the aerial lug figure of present embodiment automobile electric control system tester；
Fig. 2 is the interconnector figure of present embodiment automobile electric control system tester；
Fig. 3 is the flow chart of present embodiment automobile electric control system method of testing；
Fig. 4 is the structural representation of the first relay group of present embodiment；
Fig. 5 is the structural representation of the second relay group of present embodiment；
Fig. 6 is the structural representation of the relay matrix of present embodiment；
Fig. 7 is the distribution schematic diagram of the offline indicator/controlling switch in the port of the circuit diagram of present embodiment.
Embodiment
The present invention is described in further detail below by embodiment combination accompanying drawing.
As shown in Figures 1 to 7, a kind of automobile electric control system tester, including testing cassete 4, testing cassete have computer 1,
Control module M1, the M first interface end that can connect automotive wire bundle, the M second that can connect automobile electric control system ECU connect
Mouthful end, M bars electric wiring 10, N number of calibrating terminal and relay matrix RM, M and N are natural numbers and N is less than M, each electric wire
Road connects first, second corresponding interface end, and control module controls the break-make of electric wiring, and relay matrix includes M*N
Individual 3rd relay 12, the coordinate of each 3rd relay 12 is (i, j), and i is ECU stitch sequence numbers, and j is calibrating terminal sequence number, after
M row input of relay matrix connects M first interface end respectively, and N number of row output end of relay matrix connects N number of respectively
Calibrating terminal, computer, which is stored with multiple circuit diagrams and database corresponding with the circuit diagram, circuit diagram, has ECU pin numbers
Include the database of ECU stitch and calibrating terminal corresponding relation according to, database, when user selectes circuit diagram, computer according to
ECU stitch datas send control instruction to relay matrix, close the 3rd relay of respective coordinates.
As shown in Figures 1 to 7, present embodiment automobile electric control system tester include 4, four groups of rat tails of testing cassete with
And male and female connector.
Testing cassete is with 1, the perforate display with perforate as test panel, computer control module
M1, the first relay group R1 for cutting off the connection of ECU sides, the second relay group for automatically generating ignition switch signal
The R2 and relay matrix RM for defining calibrating terminal function automatically according to selected circuit diagram ECU stitch datas.Computer 1
Different automakers, different automobile types, the circuit diagram of different electric-control systems are stored with, each system circuit diagram has uniquely
System identifier, and each system circuit diagram is split as multiple circuit diagrams, every circuit diagram includes ECU stitch datas and figure again
Data.Built-in computer has application software, and the application software can produce phase according to the ECU stitch datas of selected circuit diagram
The control instruction answered.Control module M1 is connected with computer 1, and it receives the control instruction of computer.First relay group R1, the
Two relay group R2 and relay matrix RM are connected with control module M1, are performed the corresponding control that control module M1 is sent and are referred to
Order.Meanwhile second ignition switch signal caused by relay group R2 be sent to also by control module M1 in computer, surveyed to control
Try box mode of operation, application software can also according to port Off-line control switch 8, by control module M1 come control first after
Specific relay inside electrical equipment group R1 disconnects, so as to disconnect any one circuit for leading to ECU according to the wish of user.Together
When, by computer application software select circuit diagram graph data be shown on the perforate display 2 of testing cassete, it with from
The calibrating terminal of dynamic definition is combined, so that the simpler convenience of test job, visual in image.
Four groups of rat tails connect male and female connector and testing cassete, and two of every group of rat tail is all the 64 of standard
Pin circle interface, in that context it may be convenient to the male and female connector docking of electric-control systems different from different auto vendors.
Different electric-control systems for different auto vendors are, it is necessary to be equipped with different male and female connectors.Famale connector back and sun
Joint back, respectively there is the circle interface of two 64 pins, rat tail is exactly to be connected by this four interfaces with testing cassete, so as to
By changing different male and female connectors, can reach to the generally applicable of the different electric-control systems of different auto vendors.It is each cloudy
There is an I/D Memory inside of male contact.When male and female connector is connected by rat tail with testing cassete, inside testing cassete
Control module M1 this id information is sent in computer, with male and female connector ID in the database of selected system circuit diagram
Contrast verification is carried out, so as to prevent incorrect link male and female connector and caused each electrical damage or the inaccurate feelings of any measurement
Condition occurs.The stitch number of male and female connector is sequential, and it is sequentially connected to test by circle interface and rat tail
On the input of box.Also the corresponding input for being connected to relay group R1, R2 of this order is kept inside testing cassete, so as to ensure
The relay of action is corresponding with the stitch number of male and female connector.And for relay matrix RM, then it is to maintain this order and correspondingly connects
It is connected to the row input of relay matrix, and relay matrix is classified as output end, each row output end is correspondingly connected to test lead
Sub (P1 to P18).
Testing cassete is powered by the cigarette lighter power on automobile, and a perforate display 2, display are provided with its panel
There are 2 rows 9 to arrange totally 18 perforates above, be 18 calibrating terminals (P1 to P18) inside perforate, be that normalizing is surveyed respectively on the right of display
Try terminal+B, ignition switch calibrating terminal+IG and ground wire calibrating terminal GND.
Rat tail shares four groups, is wire harness C1, C2, C3 and C4 respectively, the both ends of every group of wire harness are also all 64 pins
Circular joint, be similarly made up of 64 circuits inside every group of wire harness.Wire harness C1 therein, C2 are connected with male contact, wire harness
C1 and wire harness C2 preceding 124 circuits are used for transmitting the signal of automotive wire bundle, and wire harness C2 rear 4 circuits are used for transmitting male contact
Id information.Wire harness C3, C4 wire harness is connected with famale connector, and wire harness C3 and C4 preceding 124 circuits are used for transmitting automobile electrically-controlled system
System ECU signal, wire harness C4 rear 4 circuits are used for transmitting the id information of famale connector.
Control module M1 controls the first relay group R1, the second relay group R2 and relay according to the control instruction of computer
Device matrix RM performs corresponding action, while the second relay group R2 ignition switch signals transmitted are also passed to computer by it
In.
First relay group R1 is a relay group being made up of 124 the first relays 7, their handles in testing cassete
124 famale connector signals of 124 male contact signals and wire harness C3, C4 in wire harness C1, C2 sequentially connect, so that cloudy
Mutually corresponding stitch is connected with each other by the first relay group R1 on joint and male contact.Application software on computer according to
Ignition switch signal, to control being opened or closed for the first relay, when in ECU off-line test patterns, all first
Relay is off-state, cut-out and ECU connection.Now shown in red (the ECU off-line modes of ECU off-line modes indicator 9
Indicator is also a figure indicate indicator in circuit diagram).When in ECU on-line testing patterns, the first all relays
Device is closure state, and now ECU off-line modes indicator 9 is shown in green.In this mode, application software can also basis
(port Off-line control switchs or the offline indicator in port is a figure in circuit diagram for specific port Off-line control switch 8
Control unit or indicate indicator), disconnect some specific first relay, it is individually cut off the connection with ECU, now this
The offline indicator for displaying in individual specific port is red, otherwise shown in green.Port Off-line control switch 8 has switch and referred to
The function of showing, when being indicated offline, it can be described as the offline indicator in port.
For the first relay group, it can only be controlled by a control signal, broken while realizing each first relay
Open or close.
Second relay group R2 is also a relay group being made up of 124 the second relays 11, and its input is to connect
124 male contact signals in wiring beam C1, C2, sequentially corresponding stitch is corresponding to male contact.Second relay group R2 according to
The ignition switch signal wire of system circuit diagram is therefrom selected in control module M1 control, the point passed to as output on test panel
Fiery switch testing terminal+IG is simultaneously fed back in computer by control module M1.
For the second relay group, each second relay can be controlled individually.
Application software on computer is according to the current test pattern of ignition switch signal deciding, if ignition switch is in
On-state (Key-on), then open ECU on-line testing patterns；If ignition switch is off (Key-off), open
Open ECU off-line test patterns.
Relay matrix RM is a matrix being made up of 124*18 the 3rd relays 12, and its input is wire harness C1, C2
In 124 male contact signals, sequentially corresponding stitch is corresponding to male contact.Output is connected respectively to 18 on test panel
On calibrating terminal (P1 to P18), computer application software is according to the ECU stitch datas of selected circuit diagram, to relay matrix
RM sends control instruction, closes the relay on corresponding crosspoint, so as to the electricity for finding and selecting in 124 input signals
The signal that road figure ECU calibrating terminals match, and these are signally attached on calibrating terminal (P1 to P18), they are with selecting
Circuit diagram graphical data assemblies together it is visual in image so that test job is simple and convenient, so as to improve user to automatically controlled
The efficiency and accuracy rate of system testing work.
First relay group R1, the second relay group R2, relay matrix RM and control module M1 pass through cigarette lighter
Automobile power source 3 on device 6 is powered, and the live wire and ground wire of this power supply are also respectively by towards the normalizing test lead on test box panel
On son+B and ground wire calibrating terminal GND.
One can be as the perforate display 2 of panel, for showing the graph data of selected circuit diagram, display perforate
The inside is provided with corresponding calibrating terminal (P1 to P18).The definition of calibrating terminal is according to selected circuit diagram by application software
ECU stitch datas, by control module M1, control relay matrix RM is realized；When different circuit diagrams is chosen, respectively
Corresponding change is also dynamically done in the definition of individual calibrating terminal, and different auto vendors can be widely used in thereby using the present apparatus
Different electric-control systems, and the circuit diagram of the difference of same electric-control system.
Operation has application software in computer, is responsible for the selection of circuit diagram, the verification of male and female connector, the determination of test pattern
And circuit diagram and outer signals interact；Layout has the line relation of electric wiring on described circuit diagram, on circuit diagram
Specific component is connected with ECU by each calibrating terminal and port Off-line control switch.Calibrating terminal on circuit diagram and open
Physical testing terminal corresponds on aperture display.The offline indicator in port represents port off-line state with different colors, green
Color table shows that port is online, and red represents that port is offline.In Fig. 7, for ECU off-line modes indicator 9, it can be represented with green
ECU is online, can represent that ECU is offline with red.
In present embodiment, the first relay, the second relay and the 3rd relay can be identical with structure.First relay
Group R1 has M relay；Second relay group R2 has M relay；Relay matrix RM has M*N relay, each relay
Coordinate be (i, j), wherein, i is not more than M, and j is not more than N.For the first relay group R1, M relay can move simultaneously
Make or some action or certain several act simultaneously；For the second relay group R2, some in M relay is only controlled
Action；For relay matrix RM, at most N number of actuating of relay in M*N relay is controlled, where each row, each column are at most
Control an actuating of relay.
For the first relay group R1, as needed, the electrical connection at ECU sides (second interface end), shape are led in cut-out
Into ECU off-line test patterns.For the second relay group R2, from M input signal cable, the ignition switch signal of automobile is found
Line, during actual measurement, when automobile ignition switch is connected, the second relay corresponding to the ignition switch signal wire closes, hence into ECU
On-line testing pattern.For relay matrix RM, from M input signal, the circuit diagram pair shown with present displays is found
The most N number of calibrating terminals answered, and do to be electrically connected.
As shown in figure 3, whole system is realized by the following course of work：
Program starts, and user selects a certain circuit diagram, male and female connector in application software from specific electric-control system
In the application software that ID, system identifier, circuit diagram ID, selected circuit diagram ECU stitch datas and graph data are downloaded；
Application software prompts user to select specific male and female connector according to male and female connector ID；
Specific male and female connector is coupled with automotive wire bundle by user, and on automobile ECU and testing cassete, application program reads cloudy
ID in male contact, contrasted with the male and female connector ID in database, returned if examining and unsuccessfully crossing, prompt user again
Select male and female connector；
If examined successfully, proceed in next step, application software is according to selected circuit diagram ECU stitch datas, control
Second relay group R2 produces ignition switch signal；
If now ignition switch is off, ECU off-line test patterns are entered；
If now ignition switch is in an ON state, ECU on-line testing patterns are entered；
In ECU on-line testing patterns, port Off-line control switch is examined, if some port Off-line control switch swashs
It is living, then some relay in the first relay group R1 is controlled by control module M1 according to the selection of user, makes itself and ECU
Side disconnects.
Status data keeps in function, its record system ID, circuit diagram ID, the ECU stitch datas of selected circuit diagram, igniting
On off state, test pattern, the offline indicator signal in port etc..
It is that application software defines calibrating terminal (P1 to P18) on control panel in next step.
The graph data of selected circuit diagram is shown by perforate display.
Monitoring state data, see whether ignition lock state, test pattern, the offline indicator signal in port change, such as
Fruit changes, and returns to and re-reads ignition switch renewal respective indicator signal condition.
Whether observation circuit figure changes, that is, whether user intends to reselect system circuit diagram or in same system
The other circuit diagram of selection in system, if then returning to selection system circuit diagram step；If user is not intended to again
Selection circuit figure, then monitor whether user has exit instruction, if then quitting a program, otherwise return to status data monitoring.
As shown in figure 3, a kind of automobile electric control system method of testing, comprises the following steps：
S101：Program starts；
S102：Selected circuit diagram；
S103：Obtain circuit diagram data, including male and female connector ID, system identifier, circuit diagram ID, selected circuit diagram ECU pins
Pin data and graph data etc.；
S104：Access male and female connector；
S105：Male and female connector ID is examined, that is, whether the cloudy famale connector ID compared in male and female connector ID and database is identical, such as
It is identical then to enter step S106；Returned if failure, prompt user to reselect male and female connector；
S106：Obtain ignition switch signal wire and read ignition switch signal；
S107：Judge test pattern, and test pattern is determined according to ignition switch signal, if ECU off-line test moulds
Formula, then into step S108；Otherwise, into step S109；
S108：Start ECU off-line test patterns, make the first relay group R1 each relay all off；
S109：Start electric ECU on-line testings pattern, the first relay group R1 each relay is all closed；
S110：Judge port Off-line control switch, open (ON) as some port Off-line control switchs, then into step
S111；
S111：The independent particular relay for disconnecting the first relay group R1 simultaneously makes other relays continue to close；
S112：Status data is kept in, and data include system identifier, circuit diagram ID, selected circuit diagram ECU stitch datas, point
Fiery switch state signal, test pattern, port Off-line control switch order etc.；
S113：Relay matrix acts, and completes the setting of calibrating terminal；
S114：Display circuit figure；
S115：Judge monitoring state data, if change
S116：Whether decision circuitry figure, which needs, changes
S117：Judge whether that needs exit
S118：Quit a program.
The present invention provides a kind of automobile electric control system tester and its method of testing, can be according to selected physical circuit figure
ECU stitch datas, it is automatic to change the definition of calibrating terminal on test panel, then coordinate and change different male and female connector groups, i.e.,
Can realize to different automakers, different automobile types, different electric-control systems it is generally applicable.The male and female connector of replacing can
To be tested by its internal ID, any possible incorrect link is prevented.Meanwhile the test lead on actual test panel
The virtual circuit figure that son is shown with perforate display is combined, and makes electric-control system test job more directly perceived, simple and side
Just.This tester can also be replaced by ECU off-line tests pattern and ECU on-line testing patterns according to the ignition switch signal of automobile,
Particularly under ECU on-line testing patterns, any one circuit for leading to ECU can be disconnected according to the wish of user.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to assert this hair
Bright specific implementation is confined to these explanations.For general technical staff of the technical field of the invention, do not taking off
On the premise of from present inventive concept, some simple deduction or replace can also be made.
Claims (8)
1. a kind of automobile electric control system tester, including testing cassete, the testing cassete have computer, it is characterised in that described
Testing cassete also has control module, can connect M first interface end of automotive wire bundle, can connect automobile electric control system ECU
M second interface end, M bars electric wiring, N number of calibrating terminal and relay matrix, N is less than M, each electric wiring connection
Corresponding first, second interface end, the control module control the break-make of the electric wiring, the relay square
Battle array includes M*N the 3rd relays, and the coordinate of each 3rd relay is (i, j), and the i is ECU stitch sequence numbers, the j
It is calibrating terminal sequence number, M row input of the relay matrix connects M first interface end, the relay square respectively
N number of row output end of battle array connects N number of calibrating terminal respectively, the computer be stored with multiple circuit diagrams and with the circuit diagram pair
The database answered, the circuit diagram have ECU stitch datas, and the database purchase has the correspondence of ECU stitch and calibrating terminal
Relation, when user selectes the circuit diagram, the computer sends control according to ECU stitch datas to the relay matrix
Instruction, closes the 3rd relay of respective coordinates.
2. automobile electric control system tester as claimed in claim 1, it is characterised in that the break-make of each electric wiring is by institute
Control module is stated to control by the first relay group, first relay group includes M the first relays, each described first after
Electrical equipment connects first, second corresponding interface end, and the control module controls the break-make of first relay.
3. automobile electric control system tester as claimed in claim 2, it is characterised in that the testing cassete also has can be automatic
Produce the second relay group of ignition switch signal, second relay group includes M the second relays, each described second after
Electrical equipment connects corresponding first interface end.
4. automobile electric control system tester as claimed in claim 3, it is characterised in that first relay group, second after
Electrical equipment group and relay matrix are powered by automobile cigarette lighter power supply.
5. automobile electric control system tester as claimed in claim 1, it is characterised in that also including display, the display
With perforate corresponding with the calibrating terminal.
6. automobile electric control system tester as claimed in claim 1, it is characterised in that also including the first wire harness group and the second line
Beam group, the first wire harness group connect the first interface end, and the second wire harness group connects the second interface end.
7. the method for testing of the automobile electric control system tester as described in any one in claim 1-6, it is characterised in that bag
Include：
A) the selected instruction of circuit diagram of user's input is received；
B) the male and female connector ID data in the ID data and database that contrast is read from male and female connector, it is such as identical, then enter step
It is rapid c)；
C) ECU on-line testings pattern or ECU off-line test patterns are automatically selected according to the ignition lock state of actual measurement vehicle；
D) control module closes the 3rd relay of respective coordinates, makes input signal and the survey to match according to the circuit diagram
Electrical communication between examination terminal, completes the automatic setting to calibrating terminal.
8. the method for testing of the automobile electric control system tester as described in any one in claim 1-6, it is characterised in that bag
Include：
A) the selected instruction of circuit diagram of user's input is received；
B) the male and female connector ID data in the ID data and database that contrast is read from male and female connector, it is such as identical, then enter step
It is rapid c)；
C) ignition switch signal is read, test pattern is determined according to the ignition switch signal；
D) state of read port Off-line control switch, opened as some port Off-line control switchs, then into step e)；
E) independently disconnect the particular relay of the first relay group and make other relays continue to close；
F) control module closes the 3rd relay of respective coordinates, makes input signal and the survey to match according to the circuit diagram
Electrical communication between examination terminal, completes the automatic setting to calibrating terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610101380.7A CN105676840B (en) | 2016-02-24 | 2016-02-24 | Automobile electric control system tester and its method of testing |
| PCT/CN2016/102578 WO2017143790A1 (en) | 2016-02-24 | 2016-10-19 | Automobile electronic control system tester and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610101380.7A CN105676840B (en) | 2016-02-24 | 2016-02-24 | Automobile electric control system tester and its method of testing |
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| Publication Number | Publication Date |
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| CN105676840A CN105676840A (en) | 2016-06-15 |
| CN105676840B true CN105676840B (en) | 2018-01-09 |
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| CN201610101380.7A Expired - Fee Related CN105676840B (en) | 2016-02-24 | 2016-02-24 | Automobile electric control system tester and its method of testing |
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| Country | Link |
|---|---|
| CN (1) | CN105676840B (en) |
| WO (1) | WO2017143790A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676840B (en) * | 2016-02-24 | 2018-01-09 | 王志欣 | Automobile electric control system tester and its method of testing |
| CN107180574B (en) * | 2017-06-22 | 2023-04-21 | 上海景格科技股份有限公司 | Single detection circuit for vehicle components |
| CN108983092B (en) * | 2018-05-31 | 2020-06-30 | 北京新能源汽车股份有限公司 | Wire breaking box device, motor test assembly and motor test method |
| CN108957213B (en) * | 2018-08-17 | 2024-03-15 | 北京中航瑞博航空电子技术有限公司 | Cable testing method and testing equipment |
| CN109683589B (en) * | 2018-12-25 | 2021-08-10 | 深圳市元征科技股份有限公司 | Multi-ECU wire harness connection method and wire harness control box |
| CN109747569B (en) * | 2019-01-25 | 2022-05-06 | 深圳市元征科技股份有限公司 | ECU wire harness control method, system, equipment and computer readable storage medium |
| CN110147087A (en) * | 2019-05-10 | 2019-08-20 | 东风朝阳朝柴动力有限公司 | Automobile auxiliary functional simulation and fault detection means |
| CN110673583A (en) * | 2019-10-12 | 2020-01-10 | 一汽轿车股份有限公司 | Automobile controller test monitoring line structure |
| CN111045417B (en) * | 2019-12-24 | 2023-05-12 | 一汽解放汽车有限公司 | Dynamic scheduling control method for offline detection tasks of various new energy vehicles |
| CN112650197A (en) * | 2020-12-18 | 2021-04-13 | 雄狮汽车科技(南京)有限公司 | Automatic open circuit test box for performance test of automobile electronic equipment and test method thereof |
| CN113075479B (en) * | 2021-03-26 | 2022-11-25 | 中国人民解放军海军航空大学航空作战勤务学院 | Path search algorithm for low-frequency signal connection |
| CN113376464B (en) * | 2021-06-15 | 2024-02-02 | 惠州市德赛西威汽车电子股份有限公司 | Universal automobile central control product test box circuit |
| CN113587973B (en) * | 2021-08-19 | 2024-01-05 | 南京市芯佳元科技有限公司 | Automatic test box and test method for testing instrument panel of two-wheel vehicle |
| CN114300809A (en) * | 2021-12-23 | 2022-04-08 | 矩阵数据科技(上海)有限公司 | Conversion device for connecting battery pack communication plug |
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| US5798647A (en) * | 1996-05-06 | 1998-08-25 | Chrysler Corporation | Diagnostic test controller apparatus |
| JP2000040014A (en) * | 1998-07-24 | 2000-02-08 | Toyota Motor Corp | Evaluation system of ecu function inspecting device |
| US6308130B1 (en) * | 1999-07-23 | 2001-10-23 | Clean Air Technologies International, Inc. | Portable on-board mass emissions measuring system |
| CN101799685A (en) * | 2009-02-07 | 2010-08-11 | 项青松 | Comprehensive test instrument of electric vehicle |
| CN101566849B (en) * | 2009-06-08 | 2011-08-10 | 奇瑞汽车股份有限公司 | Functional parameter test system for automobile electronic controller and test method thereof |
| CN201562166U (en) * | 2009-11-02 | 2010-08-25 | 上海汽车集团股份有限公司 | Signal transfer device |
| CN201716591U (en) * | 2010-01-28 | 2011-01-19 | 京滨电子装置研究开发(上海)有限公司 | Automatic test system used for testing ECU and based on PXI system |
| CN202815576U (en) * | 2012-07-27 | 2013-03-20 | 长城汽车股份有限公司 | An auxiliary test box for electrical function test of an ECU |
| CN203444331U (en) * | 2013-08-21 | 2014-02-19 | 天津一汽夏利汽车股份有限公司 | Testing device for vehicle controller |
| GB2521377B (en) * | 2013-12-17 | 2018-09-19 | Jaguar Land Rover Ltd | A method and system for replaying a vehicle journey |
| CN203895044U (en) * | 2014-06-06 | 2014-10-22 | 丽水市职业高级中学 | Portable electrically-controlled engine fault arrangement and testing box |
| CN104281146A (en) * | 2014-10-22 | 2015-01-14 | 中国重汽集团济南复强动力有限公司 | Engine electric control system component function testing system and method |
| CN105676840B (en) * | 2016-02-24 | 2018-01-09 | 王志欣 | Automobile electric control system tester and its method of testing |
-
2016
- 2016-02-24 CN CN201610101380.7A patent/CN105676840B/en not_active Expired - Fee Related
- 2016-10-19 WO PCT/CN2016/102578 patent/WO2017143790A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN105676840A (en) | 2016-06-15 |
| WO2017143790A1 (en) | 2017-08-31 |
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