Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality is new
Type needs to propose a kind of entire car controller Performance Test System, and this system can reduce tester's workload and anthropic factor
Interference, improves efficiency.
In order to solve the problems referred to above, the entire car controller Performance Test System that the application proposes includes: host computer, described upper
Machine provides interactive interface, and described interactive interface receives test instruction;Functional test module, described functional test module and car load
Controller is connected, and for generating test signal according to test control signal, described entire car controller is defeated according to described test signal
Go out to test feedback information;One-chip computer module, described one-chip computer module is connected, according to control command with described functional test module
Output test control signal;Wherein, described one-chip computer module carries out communication with described host computer and described entire car controller respectively,
Described host computer sends described control command according to described test instruction, and by described interactive interface to described test feedback letter
Breath is monitored.
Entire car controller Performance Test System of the present utility model, based on host computer, functional test module and one-chip computer module
Framework, by the improvement of framework to test system, and is provided interactive interface by host computer, by the control of entire car controller and
Detection is integrated on an interactive interface, and tester only need to operate on host computer accordingly, just may be used by this framework
Realize performance test corresponding to entire car controller, decrease the workload of tester, reduce the anthropic factor shadow to test
Ring, improve efficiency, compared to manual test stand, simple in construction, easy to operate, it is easy to accomplish.
Described one-chip computer module by CAN (Controller Area Network, controller local area network) bus with described on
Position machine is connected, and described one-chip computer module is connected with described entire car controller by described CAN.
Wherein, described functional test module includes that digital signal tests circuit, and described digital signal test circuit includes: low have
Effect test circuit, described low Validity Test circuit includes the first switching transistor, the first end of described first switching transistor with
Described one-chip computer module is connected, low effective input port phase of the second end of described first switching transistor and described entire car controller
Even, the 3rd end ground connection of described first switching transistor;High Validity Test circuit, described high Validity Test circuit includes second
Switching transistor, the first end of described second switch transistor is connected with described one-chip computer module, described second switch transistor
The second end and the positive pole of a DC (Direct Current, unidirectional current) unit be connected, a described DC unit negative
Pole ground connection, the 3rd end of described second switch transistor is connected with the high effectively input port of described entire car controller.
Described low Validity Test circuit also includes the first light emitting diode, and anode and the 2nd DC of described first light emitting diode are mono-
Unit positive pole be connected, the minus earth of described 2nd DC unit, the negative electrode of described first light emitting diode by the first resistance with
Second end of described first switching transistor is connected;
Described high Validity Test circuit also includes the second light emitting diode, the anode of described second light emitting diode and described second
3rd end of switching transistor is connected, and the negative electrode of described second light emitting diode passes through the second resistance eutral grounding.
Wherein, described functional test module includes that analogue signal tests circuit, and described analogue signal test circuit includes: first
Motor, one end of described first motor is connected with described one-chip computer module;First slide rheostat, described first slip variable resistance
First end ground connection of device, the second end of described first slide rheostat is connected with the predeterminated voltage delivery outlet of described entire car controller,
The adjustable side of described first slide rheostat is coaxially connected with the rotary shaft of described first motor, described first slide rheostat
3rd end is connected with the analog quantity input of described entire car controller.
Described analogue signal test circuit also includes: an AD (Analog to Digital, simulation numeral) converting unit
With the first display unit, described one end of first AD conversion unit is connected with the predeterminated voltage delivery outlet of described entire car controller,
The other end of described first AD conversion unit is connected with described first display unit;With the second AD conversion unit and the second display
Unit, one end of described second AD conversion unit is connected with the 3rd end of described first slide rheostat, and described 2nd AD turns
The other end changing unit is connected with described second display unit.
Wherein, described functional test module includes driving signal test circuit, and described driving signal test circuit includes:
Flash drive circuit, described flash drive circuit includes: the second motor, one end of described second motor and described monolithic
Machine module is connected;Second slide rheostat, the adjustable side of described second slide rheostat is same with the rotary shaft of described second motor
Axle is connected;First power supply and the 3rd resistance, one end of described first power supply is connected with the first end of described second slide rheostat,
The other end of described first power supply is connected with one end of described 3rd resistance;First variable inductor, described first variable inductance
First end of device is connected with the second end of described second slide rheostat, and the second end of described first variable inductor is whole with described
The flash of vehicle controller drives input port to be connected, the 3rd end of described first variable inductor and the other end of described 3rd resistance
It is connected, the 4th end ground connection of described first variable inductor;
Low limit drive circuit, described low limit drive circuit includes: the 3rd motor, one end of described 3rd motor and described monolithic
Machine module is connected;3rd slide rheostat, the adjustable side of described 3rd slide rheostat is same with the rotary shaft of described 3rd motor
Axle is connected;Second source and the 4th resistance, one end of described second source is connected with the first end of described 3rd slide rheostat,
The other end of described second source is connected with one end of described 4th resistance;Second variable inductor, described second variable inductance
First end of device is connected with the second end of described 3rd slide rheostat, and the second end of described second variable inductor is whole with described
The driving input port, low limit of vehicle controller is connected, the 3rd end of described second variable inductor and the other end of described 4th resistance
Being connected, the 4th end of described second variable inductor passes through the 3rd DC unit ground connection.
Described flash drive circuit also includes the 3rd AD conversion unit and the 3rd display unit, the of described first variable inductor
There is between the other end of three ends and described 3rd resistance primary nodal point, one end and described first of described 3rd AD conversion unit
Node is connected, and the other end of described 3rd AD conversion unit connects described 3rd display unit;
Described low limit drive circuit also includes the 4th AD conversion unit and the 4th display unit, the of described second variable inductor
There is between the other end of three ends and described 4th resistance secondary nodal point, one end and described second of described 4th AD conversion unit
Node is connected, and the other end of described 4th AD conversion unit is connected with described 4th display unit.
Described flash drive circuit also includes the 3rd light emitting diode, and the negative electrode of described 3rd light emitting diode passes through the 5th resistance
It is connected with the second end of described first variable inductor, the anode of described 3rd light emitting diode and the height of described entire car controller
Driving input port, limit is connected;
Described low limit drive circuit also includes the 4th light emitting diode, and the anode of described 4th light emitting diode passes through the 6th resistance
Being connected with the second end of described second variable inductor, the negative electrode of described 4th light emitting diode is low with described entire car controller
Driving input port, limit is connected.
Wherein, described functional test module includes that FREQUENCY CONTROL tests circuit, and described FREQUENCY CONTROL test circuit includes: fan,
Described fan and PWM (Pulse Width Modulation, pulse width modulation) the delivery outlet phase of described entire car controller
Even, described entire car controller exports PWM drive signal extremely described fan according to the PWM input signal of described one-chip computer module,
And gather described PWM drive signal.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to limit of the present utility model
System.
The entire car controller Performance Test System proposed according to this utility model embodiment is described with reference to the accompanying drawings.
Fig. 1 is the block diagram of the entire car controller Performance Test System according to an embodiment of the present utility model, such as Fig. 1
Shown in, this entire car controller Performance Test System 100 includes host computer 10, functional test module 20, one-chip computer module
30.Wherein, one-chip computer module 30 carries out communication, functional test module 20 with host computer 10 and entire car controller 40 respectively
Being connected with entire car controller 40, one-chip computer module 30 is connected with functional test module 20.
Host computer 10 provides interactive interface, and interactive interface receives test instruction, such as user can be by operation equipment such as key
The input equipment input test such as dish, mouse instructs.
Host computer 10 is according to test instruction transmitting control commands, and one-chip computer module 30 is according to control command output testing and control letter
Number, functional test module 20 generates test signal according to test control signal, and entire car controller 40 is according to test signal output
Test feedback information, by communication line test transmission of feedback information to host computer 10, can be anti-to test by interactive interface
Feedforward information is monitored.
It can be seen that entire car controller Performance Test System 100 of the present utility model, based on host computer 10, functional test mould
Block 20 and the framework of one-chip computer module 30, and provided interactive interface by host computer 10, by the control of entire car controller 40 and
Detection is integrated on an interactive interface, and tester only need to operate on host computer 10 accordingly, by this framework just
Performance test corresponding to entire car controller 40 can be realized, decrease the workload of tester, reduce anthropic factor to test
Impact, improve efficiency, compared to manual test stand, simple in construction, easy to operate, it is easy to accomplish.
Below the modules of entire car controller Performance Test System 100 of the present utility model is further illustrated.
In embodiments more of the present utility model, one-chip computer module 30 is connected with host computer 10 by CAN, monolithic
Machine module 30 is connected with entire car controller 40 by CAN.I.e. input and output are controlled accordingly by CAN communication and
Detection is integrated into an interactive interface of host computer 10, reduces the workload of tester.
With reference to shown in Fig. 2, functional test module 20 includes that digital signal tests circuit, and digital signal test circuit is according to monolithic
The digital signal test control signal work of machine module 30 output, and export digital test signal i.e. low and high level to full-vehicle control
The digital signal test port of device 40, so entire car controller 40 output test feedback information to host computer 10 with by mutual boundary
Face monitors, thus realizes the digital signal to entire car controller 40 and test.
Specifically, with reference to shown in Fig. 2, digital signal test circuit includes low Validity Test circuit 21 and high Validity Test circuit
22。
Wherein, low Validity Test circuit 21 includes the first switching transistor Q1 such as metal-oxide-semiconductor, the first switching transistor Q1
First end 11, the grid of such as metal-oxide-semiconductor, it is connected with one-chip computer module 30, the second end 12 of the first switching transistor Q1
It is connected with low effective input port 1 of entire car controller 40, the 3rd end 13 ground connection of the first switching transistor Q1.Carry out low
Effectively during input test, by host computer 10 for example with the host computer 10 transmission instruction of Labview program, first is made to open
Close the pin output high level that the grid of transistor Q1 is corresponding so that the first switching transistor Q1 conducting, now with car load control
Low effective input port 1 input low level that device 40 processed connects.
High Validity Test circuit 22 includes first end 14 of second switch transistor Q2, second switch transistor Q2, such as
The grid of metal-oxide-semiconductor, is connected with one-chip computer module 30, second end 15 and a DC unit 221 of second switch transistor Q2
Positive pole be connected, the minus earth of a DC unit 221, the 3rd end 16 and the entire car controller of second switch transistor Q2
The high effectively input port 2 of 40 is connected.When carrying out high effectively input test, send instruction by host computer 10, make second
The pin that the grid of switching transistor Q2 is corresponding exports high level so that second switch transistor Q2 turns on, now with car load
What controller 40 connected efficiently inputs mouth 2 input high level.
Further, low Validity Test circuit 21 also includes the first light emitting diode D1, the anode of the first light emitting diode D1
It is connected with the positive pole of the 2nd DC unit 211, the minus earth of the 2nd DC unit 211, the negative electrode of the first light emitting diode D1
It is connected by the second end 12 of the first resistance R1 and the first switching transistor Q1.Low effective input at entire car controller 40
During mouth 1 input low level, the first light emitting diode D1 is luminous, such that it is able to by the interactive interface and first of host computer 10
Light emitting diode D1 realizes two-way test monitoring.
High Validity Test circuit 22 also includes the second light emitting diode D2, the anode of the second light emitting diode D2 and second switch
3rd end 16 of transistor Q2 is connected, and the negative electrode of the second light emitting diode D2 passes through the second resistance R2 ground connection.In car load control
During the height of device 40 processed effectively input port 2 input high level, the second light emitting diode D2 is luminous, such that it is able to pass through host computer
Interactive interface and the second light emitting diode D2 of 10 realize two-way test monitoring.
With reference to shown in Fig. 2, functional test module 20 includes that analogue signal tests circuit 23, and analogue signal test circuit 23 wraps
Include the first motor 231 and the first slide rheostat 232.Wherein, one end a1 of the first motor 231 and one-chip computer module 30
It is connected;First end ground connection of the first slide rheostat 232, the second end a2 and entire car controller of the first slide rheostat 232
The predeterminated voltage delivery outlet 3 of 40 is connected, the adjustable side a4 of the first slide rheostat 232 and the rotary shaft of the first motor 231
Coaxial connected, the 3rd end a3 of the first slide rheostat 232 is connected with the analog quantity input 4 of entire car controller 40.Tool
Body ground, when being simulated measuring examination, sends instruction to one-chip computer module 30 by host computer 10, controls the first motor 231
Such as motor forward or reverse, thus it is possible to vary the adjustable side a1 institute of the first slide rheostat 232 being coaxial therewith being connected is right
The size of the magnitude of voltage answered, such that it is able to regulation input is to the magnitude of voltage of the analog quantity input 4 of entire car controller 40, and then
Input quantity is fed back to host computer 10 by entire car controller 40, is monitored by the interactive interface of host computer 10, it is achieved analog quantity
Test.
Further, analogue signal test circuit 23 also include the first AD conversion unit 233 and the first display unit 234,
Second AD conversion unit 235 and the second display unit 236.
Wherein, one end of the first AD conversion unit 233 is connected with the predeterminated voltage delivery outlet 3 of entire car controller 40, and first
The other end and first display unit 234 of AD conversion unit 233 are connected.Permissible by the first display unit 234 such as LCD
Realize the monitoring to entire car controller 40 output voltage values.
One end of second AD conversion unit 235 is connected with the 3rd end of the first slide rheostat 232, the second AD conversion unit
The other end and second display unit 236 of 235 are connected.By the second display unit 236 such as LCD (Liquid Crystal
Display, liquid crystal display) monitoring to entire car controller 40 input voltage value can be realized.
With reference to shown in Fig. 2, functional test module 20 includes driving signal test circuit, drives signal test circuit to include flash
Drive circuit 24 and low limit drive circuit 25.
Wherein, flash drive circuit 24 include second motor the 241, second slide rheostat the 242, first power supply 243,
Three resistance R3 and the first variable inductor 244.One end of second motor 241 is connected with one-chip computer module 30;Second slides
The adjustable side a5 of rheostat 242 and the rotary shaft of the second motor 241 are coaxially connected;One end of first power supply 243 is sliding with second
First end a6 of dynamic rheostat 242 is connected, and the other end of the first power supply 243 and one end of the 3rd resistance R3 are connected;First
First end 01 of variable inductor 244 is connected with the second end a7 of the second slide rheostat 242, the first variable inductor 244
The flash of the second end 02 and entire car controller 40 drive input port 5 to be connected, the 3rd end 03 of the first variable inductor 244
It is connected with the other end of the 3rd resistance R3, the 4th end 04 ground connection of the first variable inductor 244.
Specifically, when carrying out flash and driving test, host computer 10 sends instruction to one-chip computer module 30, controls the second electricity
Machine 241 rotates forward or inverts, and change is coaxial therewith the position of the adjustable side a5 of the second slide rheostat 242 being connected, the most right
Answering the value of all-in resistance in loop to change, the current value in corresponding loop also will change, owing to variable inductor is logical
Cross change size of current to control inductance value, so the inductance value of the first variable inductor 244 changes along with the change of current value
Become, can the most automatically change inductance value size, then the load of this flash drive circuit 24 changes the most therewith, it is,
The change of load is realized by controlling motor control slide rheostat.And then by conversion relation, can be variable by first
The inductance value of inducer 244 carries out corresponding with the magnitude of voltage in DC loop.
Low limit drive circuit 25 includes the 3rd motor the 251, the 3rd slide rheostat 252, second source the 253, the 4th resistance
R4 and the second variable inductor 254.Wherein, one end of the 3rd motor 251 is connected with one-chip computer module 30;3rd slides becomes
The adjustable side a8 of resistance device 252 and the rotary shaft of the 3rd motor 251 such as motor are coaxially connected;The one of second source 253
End is connected with the first end a9 of the 3rd slide rheostat 252, the other end of second source 253 and one end of the 4th resistance R4
It is connected;First end 05 of the second variable inductor 254 is connected with the second end a10 of the 3rd slide rheostat 252, and second can
Second end 06 of varindor 254 is connected with the driving input port, low limit 6 of entire car controller 40, the second variable inductor 254
The 3rd end 07 be connected with the other end of the 4th resistance R4, the 4th end 08 and the 3rd DC of the second variable inductor 254 is mono-
The positive pole of unit 255 is connected, the minus earth of the 3rd DC unit 255.
Specifically, when carrying out low limit and driving test, host computer 10 sends instruction to one-chip computer module 30, controls the 3rd electricity
Machine 251 rotates forward or inverts, and change is coaxial therewith the position of the adjustable side a8 of the 3rd slide rheostat 252 being connected, the most right
Answering the value of all-in resistance in loop to change, the current value in corresponding loop also will change, owing to variable inductor is logical
Cross change size of current to control inductance value, so the inductance value of the second variable inductor 254 changes along with the change of current value
Become, then the load of this low limit drive circuit 25 changes the most therewith, by conversion relation, and can be by the second variable inductor 254
Inductance value carry out corresponding with the magnitude of voltage in DC loop.
Further, flash drive circuit 24 also includes the 3rd AD conversion unit 245 and the 3rd display unit 246, first
Between 3rd end 03 and the other end of the 3rd resistance R3 of variable inductor 244, there is primary nodal point, the 3rd AD conversion unit
One end of 245 is connected with primary nodal point, and the other end of the 3rd AD conversion unit 245 connects the 3rd display unit 246, passes through
3rd display unit 246 can realize the inductance value due to the first variable inductor 244 is changed corresponding analog voltage
Change is monitored.
Flash drive circuit 24 also includes the 3rd light emitting diode D3, and the negative electrode of the 3rd light emitting diode D3 passes through the 5th resistance
Second end 02 of R5 and the first variable inductor 244 is connected, the anode of the 3rd light emitting diode D3 and entire car controller 40
Flash drive input port 5 to be connected.When flash drive circuit 24 exports, the 3rd light emitting diode D3 is luminous.Can see
Go out, when carrying out flash and driving test, it is possible to achieve host computer the 10, the 3rd display unit 246 and the 3rd light emitting diode D3
While detect, improve monitoring reliability.
Similarly, low limit drive circuit 25 also includes the 4th AD conversion unit 256 and the 4th display unit 257, and second can
Between 3rd end 07 and the other end of the 4th resistance R4 of varindor 254, there is secondary nodal point, the 4th AD conversion unit
One end of 256 is connected with secondary nodal point, and the other end and the 4th display unit 257 of the 4th AD conversion unit 256 are connected.Logical
Cross the 4th display unit 257 can realize the inductance value due to the second variable inductor 254 is changed corresponding analog voltage
Change be monitored.
Low limit drive circuit 25 also includes the 4th light emitting diode D4, and the anode of the 4th light emitting diode D4 passes through the 6th resistance
Second end 06 of R6 and the second variable inductor 254 is connected, the negative electrode of the 4th light emitting diode D4 and entire car controller 40
Driving input port, low limit 6 be connected.When low limit drive circuit 25 exports, the 4th light emitting diode D4 is luminous.Can see
Go out, when carrying out flash and driving test, it is possible to achieve host computer the 10, the 4th display unit 256 and the 4th light emitting diode D4
While detect, improve monitoring reliability.
With reference to shown in Fig. 2, functional test module 20 includes that FREQUENCY CONTROL tests circuit 26, and FREQUENCY CONTROL test circuit 26 wraps
Including fan 261, fan 261 is connected with the PWM delivery outlet 7 of entire car controller 40, and entire car controller 40 is according to single-chip microcomputer
The PWM input signal output PWM drive signal of module 30 is to fan 261, and gathers PWM drive signal to be monitored.
Specifically, when carrying out PWM input/output test, host computer 10 sends instruction to one-chip computer module 30, makes single-chip microcomputer mould
Block 30 exports the PWM waveform of corresponding frequencies, its corresponding waveform of 40 collection of entire car controller, and is fed back by CAN communication
Return the interactive interface of host computer 10, shown accordingly by interactive interface.As in figure 2 it is shown, utilize host computer 10
Labview controls fan 261 by the PWM drive signal that CAN communication makes entire car controller 40 export corresponding frequencies, and
The waveform of output PWM drive signal is monitored as input to entire car controller 40.
Put it briefly, the entire car controller Performance Test System 100 of this utility model embodiment, based on host computer 10,
Functional test module 20 and the framework of one-chip computer module 30, for whole system, will be all by CAN communication
Input signal be transferred to the interactive interface of host computer 10 and show accordingly, control and monitoring are integrated in same operation
Interface, and possess input Based Intelligent Control, load Intelligent adjustment, light emitting diode Input Monitor Connector, display unit such as LCD
The functions such as intelligent display, PWM intelligent input and monitoring, reduce the workload of tester, improve entire car controller
40 intellectual monitoring abilities, reduce the interference of artificial test.Wherein, input and output amount is supervised by light emitting diode simultaneously
Survey and display unit shows, strengthen the reliability of monitoring;Motor is used to drive slide rheostat so that test system energy
Enough satisfied different testing requirements, improve the recycling rate of waterused of test system.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or
Feature is contained at least one embodiment of the present utility model or example.In this manual, schematic to above-mentioned term
Statement is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature
Can be so that one or more embodiments in office or example to combine in an appropriate manner.Additionally, in the case of the most conflicting,
Those skilled in the art can be by the different embodiments described in this specification or example and different embodiment or the spy of example
Levy and be combined and combine.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as restriction of the present utility model, those of ordinary skill in the art can in the range of this utility model
Above-described embodiment be changed, revise, to replace and modification.