CN207487977U - A kind of engine controller function test system - Google Patents
A kind of engine controller function test system Download PDFInfo
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- CN207487977U CN207487977U CN201721704018.5U CN201721704018U CN207487977U CN 207487977 U CN207487977 U CN 207487977U CN 201721704018 U CN201721704018 U CN 201721704018U CN 207487977 U CN207487977 U CN 207487977U
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Abstract
The utility model discloses a kind of engine controller function test system, the testing cassete being detachably connected including pedestal and panel, chassis interior is equipped with power supply and small signal generator, the side of small signal generator is connected with transformer, and pedestal connects engine controller, accelerator pedal and oscillograph respectively equipped with multiple sockets；Collection of simulant signal area, switching signal acquisition zone, dummy-load circuit viewing area, power supply control zone, signal output area and signal monitoring area are distributed on panel, adjustable resistance and the second charactron voltage detection module are distributed in collection of simulant signal area, wherein the second charactron voltage detection module can show acquisition signal；Multiple jacks are distributed in signal output area, actuator is plugged in jack；The first charactron voltage detection module is distributed in signal monitoring area, the implementing result as display actuator, testing cassete can directly display acquisition signal and implementing result, intuitively, accurately can carry out various tests to engine.
Description
Technical field
The utility model belongs to technical field of engine control, and in particular to a kind of engine controller functional test system
System.
Background technology
In recent years, auto industry technical merit rapidly develops, and people are to the dynamic property of automobile, economy, emission performance, safety
Property etc. proposes more strict requirements.Traditional mechanical control system far can not meet these needs.Electricity
Sub- networked control systems with its high-precision, high speed, control it is flexible, reliable and stable the features such as gradually instead of mechanical control system
System is the development trend of automotive control system.
Engine controller function test system builds virtual vehicle environment by hardware-in-loop simulation, and by engine
Controller is connected to become a system as material object, and engine controller is tested and is verified so as to achieve the purpose that.Firmly
Part assemblage on-orbit has the advantages that reproducible, for each variable, can individually test its influence for whole system,
It tests also more convenient during the influence of different control strategies and algorithm to control result.Thus, use engine controller function
Test system carries out hardware-in―the-loop test to engine controller, can greatly speed up the development process to engine controller,
And the engine controller succeeded in developing has higher reliability.
However, existing engine controller function test system usually requires to start by displays such as computer or industrial personal computers
Machine controller output signal data (such as：Electronic throttle, the current signal of fuel injector and ignition coil and electronics section
Valve electric potential signal etc.), and cannot intuitively reflect the real work of the actuators such as electronic throttle, fuel injector and ignition coil
Situation, and the real work situation of actuator can not real-time and accurately be fed back to engine controller, so from starting
Can not be completely the same with vehicle true environment from the point of view of in machine controller angle, it is stringent so as to be realized to engine controller
Inspection.
Utility model content
For technical problem of the existing technology, the utility model provides a kind of engine controller functional test system
System.
To achieve these goals, the utility model adopts the following technical solution：
A kind of engine controller function test system, including the testing cassete that pedestal and panel are detachably connected, described
The inside of pedestal is equipped with power supply, and inside is also equipped with small signal generator, the side of the small signal generator
Transformer is connected with, engine controller, accelerator pedal are connected separately with equipped with multiple sockets on the base side wall and is shown
Wave device；Collection of simulant signal area, switching signal acquisition zone, dummy-load circuit viewing area, power supply control are distributed on the panel
Area processed, signal output area and signal monitoring area, adjustable resistance and the second charactron are distributed in the collection of simulant signal area
Voltage detection module, wherein the second charactron voltage detection module can show acquisition signal；In the switching signal acquisition zone
Toggle switch and the second light emitting diode is distributed with；The first light emitting diode is distributed in the dummy load viewing area；
It is distributed with power switch and third light emitting diode in the power supply control zone, and is connected as with the power supply in the pedestal described
Testing cassete is powered；Multiple jacks are distributed in the signal output area, actuator is plugged in jack；The signal monitoring
The first charactron voltage detection module is distributed in area, as the implementing result for showing the actuator.
Further, the collection of simulant signal area further includes the analogue signal acquisition circuit being arranged in pedestal, described
Analogue signal acquisition circuit include series connection adjustable resistance and the 5th resistance, series connection node respectively with the second charactron of ground connection
Voltage detection module, third capacitance and the 4th capacitance connection, and for connecting the engine controller；Its first free end connects
Connect power supply, the second free ending grounding.
Further, the switching signal acquisition zone further includes the switching signal Acquisition Circuit being arranged in pedestal, described
Switching signal Acquisition Circuit includes the second light emitting diode and toggle switch, the anode connection electricity of second light emitting diode
Source, cathode connect the first end of the toggle switch, and the second end of the toggle switch is vacant, third end ground connection, the 4th end point
Not with the 5th capacitance, the 6th resistance and the 6th capacitance connection of ground connection, and for connecting the engine controller.
Further, switching switch is distributed on the panel, dummy-load circuit is additionally provided in the chassis interior
It is connect with signal output apparatus with the switching switch；The dummy-load circuit includes the inductance and first resistor of series connection,
Anode of first free end respectively with power supply and the first light emitting diode is connect, the second free end by second resistance with it is described
The cathode connection of first light emitting diode；The signal output apparatus include fuse, the fuse one end connection described in
The third end of switching switch, the other end are connected with jack, and the jack is used to connect the actuator.Judge whether control signal
Output, artificially stirs switching switch in the case of output, and the control signal of engine controller is exported to actuator, is performed
Implementing result is forwarded to engine controller by device by signal monitoring circuit, and engine controller is by practical implementing result with controlling
The corresponding theoretical implementing result comparison of signal processed, if engine controller is qualified, after switching switch sends switching signal
Pulse signal is retransmited to dummy-load circuit, then the first LED flash.
Further, it is additionally provided with signal monitoring circuit in the pedestal, the signal monitoring circuit includes the of series connection
Three resistance and the 4th resistance, series connection node respectively with the first charactron voltage detection module of ground connection, the first capacitance and second
Capacitance connection, and for connecting the engine controller；Its first free end is used to connect the actuator, the second free end
Ground connection.
Further, the actuator is at least one of electronic throttle, atomizer and ignition coil.
In conclusion the beneficial effects of the utility model are：Engine controller, oscillography are directly accessed using testing cassete
The real work situation of actuator can real-time and accurately be fed back to engine control by device, accelerator pedal and actuator, testing cassete
Device processed, so as to completely the same with vehicle true environment from the point of view of engine controller angle, it is possible to convenient, accurately to hair
Motivation controller carries out various tests.Acquisition signal and implementing result can be directly displayed on testing cassete, it is no longer necessary to computer or
Person's industrial personal computer shows implementing result, reduces volume shared by test system, easy to use.
Description of the drawings
Fig. 1 is a kind of theory structure schematic diagram of engine controller function test system provided by the utility model.
Fig. 2 is the circuit block diagram of the utility model.
Fig. 3 is the circuit theory that switching switch is connect with dummy-load circuit and signal output apparatus in the utility model
Figure.
Fig. 4 is the circuit diagram of signal monitoring circuit in the utility model.
Fig. 5 is the circuit diagram of analogue signal acquisition circuit in the utility model.
Fig. 6 is the circuit diagram of switching signal Acquisition Circuit in the utility model.
Fig. 7 is the structure diagram of testing cassete in the utility model.
Fig. 8 is the utility model in the base internal structure schematic diagram.
Fig. 9 is the structure diagram of the middle-size and small-size signal generator of the utility model.
In figure, 100- testing cassetes；110- switching switches；120- dummy-load circuits；121- inductance；122- first resistors；
123- second resistances；The first light emitting diodes of 124-；130- signal output apparatus；131- fuses；132- jacks；140- is simulated
Signal acquisition circuit；141- adjustable resistances；The 5th resistance of 142-；143- the second charactron voltage detection modules；144- thirds electricity
Hold；The 4th capacitances of 145-；150- switching signal Acquisition Circuits；The second light emitting diodes of 151-；152- toggle switches；153-
Five capacitances；The 6th resistance of 154-；The 6th capacitances of 155-；160- signal monitoring circuits；161- 3rd resistors；The 4th resistance of 162-；
163- the first charactron voltage detection modules；The first capacitances of 164-；The second capacitances of 165-；170- pedestals；171- power supplys；172-
Small signal generator；173- transformers；180- panels；181- collection of simulant signal area；182- switching signals acquisition zone；
183- dummy-load circuits viewing area；184- power supplys control zone；1841- third light emitting diodes；1842- power switches；185-
Signal output area；186- signal monitorings area.
Specific embodiment
In order to be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
As shown in Fig. 1-Fig. 9, the utility model provides a kind of engine controller function test system, including pedestal 170
The testing cassete 100 being detachably connected with panel 180.Power supply 171 is installed in the inside of the pedestal 170, and inside is also pacified
Equipped with small signal generator 172, the side of the small signal generator 172 is connected with transformer 173.In the pedestal
170 side walls are connected separately with engine controller, accelerator pedal and oscillograph equipped with multiple socket (not shown)s.Institute
It states and collection of simulant signal area 181, switching signal acquisition zone 182, dummy-load circuit viewing area 183, electricity is distributed on panel 180
Source control zone 184, signal output area 185 and signal monitoring area 186.It is distributed in the collection of simulant signal area 181 adjustable
141 and second charactron voltage detection module 143 of resistance, wherein the second charactron voltage detection module 143 can show acquisition letter
Number.152 and second light emitting diode 151 of toggle switch is distributed in the switching signal acquisition zone 182.In the virtual negative
It carries in viewing area 183 and the first light emitting diode 124 is distributed with.Power switch 1842 is distributed in the power supply control zone 184
With third light emitting diode 1841, and it is connected as the testing cassete 100 with the power supply 171 in the pedestal 170 and powers.Described
Multiple jacks 132 are distributed in signal output area 185, actuator is plugged in jack 132.In the signal monitoring area 186
The first charactron voltage detection module 163 is distributed with, as the implementing result for showing the actuator.
The collection of simulant signal area 181 further includes the analogue signal acquisition circuit 140 being arranged in pedestal 170, described
Analogue signal acquisition circuit 140 include series connection 141 and the 5th resistance 142 of adjustable resistance, series connection node respectively with ground connection
Second charactron voltage detection module 143,144 and the 4th capacitance 145 of third capacitance connect, and for connecting the engine
Controller.Its first free end connects power supply, the second free ending grounding.By adjusting what is be distributed in collection of simulant signal area 181
The resistance value of adjustable resistance 141, so as to generate analog acquisition signal, the second charactron voltage detection module 143 can show acquisition
Signal, and acquisition signal is sent to engine controller, engine controller is according to acquisition signal generation control signal.
The switching signal acquisition zone 182 further includes the switching signal Acquisition Circuit 150 being arranged in pedestal 170, described
Switching signal Acquisition Circuit 150 includes the second light emitting diode 151 and toggle switch 152.Second light emitting diode 151
Anode connects power supply, and cathode connects the first end of the toggle switch 152, and the second end of the toggle switch 152 is vacant, third
End ground connection, the 4th end are connect respectively with the 5th capacitance 153, the 6th resistance 154 and the 6th capacitance 155 of ground connection, and for connecting
The engine controller.The toggle switch 152 in signal acquisition area 182 is turned on the switch, the second light emitting diode 151 shines, opens
OFF signal Acquisition Circuit 150 starts to acquire switching signal, and switching signal is sent to engine controller, engine control
Device generates control signal according to switching signal.
Switching switch 110 is distributed on the panel 180, dummy-load circuit is additionally provided with inside the pedestal 170
120 and signal output apparatus 130 connect with the switching switch 110；The dummy-load circuit 120 includes the inductance of series connection
121 and first resistor 122, anode of first free end respectively with 171 and first light emitting diode 124 of power supply connect,
Two free ends are connect by second resistance 123 with the cathode of first light emitting diode 124；The signal output apparatus 130
Including fuse 131, one end of the fuse 131 connects the third end of the switching switch 110, and the other end is connected with jack
132, the jack 132 is used to connect the actuator.
It is additionally provided with signal monitoring circuit 160 in the pedestal 170, the signal monitoring circuit 160 includes the of series connection
Three resistance 161 and the 4th resistance 162, series connection node are electric with the first charactron voltage detection module 163, first of ground connection respectively
164 and second capacitance 165 of appearance connects, and for connecting the engine controller；Its first free end is used to connect described hold
Row device, the second free ending grounding.
The actuator is at least one of electronic throttle, atomizer and ignition coil.
Using more than structure, 1842 are turned on the power switch in power supply control zone 184, the power supply 171 in pedestal 170 is thus
Testing cassete 100 is powered, and the third light emitting diode 1841 of power supply control zone 184 shines, therefore proceed by test job.Simulation
What the analogue signal acquisition circuit 140 set in signal acquisition area 181 acquired is the rotating speed letter that small signal generator 172 is sent out
Number and sentence cylinder signal, tach signal that small signal generator 172 is sent out and to sentence cylinder signal be all square-wave signal.Here square wave
H type engine h tach signal is the signal of the Hall type crankshaft position sensor output of simulation.If simulate magneto-electric bent axle position
The signal of sensor output is put, needs square wave type engine rotational speed signal here being converted into sine wave by transformer 173
Signal.Analogue signal acquisition circuit 140 can also acquire voltage signal caused by accelerator pedal, and these acquisition signals are complete
Portion is sent to engine controller, the switch that the switching signal Acquisition Circuit 150 of also switching signal acquisition zone 182 is acquired
Signal is also sent to engine controller.
Engine controller generates control signal, and will control according to the acquisition signal and switching signal received by calculating
Signal processed is sent to testing cassete 100, the first light-emitting diodes of the distribution in the dummy-load circuit viewing area 183 of testing cassete 100
Pipe 124, which shines just to represent, control signal output.In the case where there is control signal output, switching switch 110 is artificially stirred, it will
The control signal of engine controller is exported to actuator, and implementing result is forwarded to by actuator by signal monitoring circuit 160
Engine controller.The working condition of oscillograph monitoring actuator monitors the output signal of actuator, and implementing result passes through the
One charactron voltage detection module 163 shows implementing result.Engine controller is corresponding with control signal by practical implementing result
Theoretical implementing result comparison, if engine controller is qualified, to switching switch 110 send switching signal later retransmit
Pulse signal to dummy-load circuit 120, then the first light emitting diode 124 flickers.
By originally starting so as to be formed after the connection of testing cassete 100 accelerator pedal, actuator, engine controller and oscillograph
Machine controller function test system, can it is more intuitive, easily to the electrical spy of the number of engine controller, analog signal
The functions such as property, logic control and fault diagnosis are tested, and due to can be by sensor by the real work of actuator
Situation real-time and accurately feeds back to engine controller, so as to complete with vehicle true environment from the point of view of engine controller angle
Unanimously, it is possible to convenient, various tests accurately are carried out to engine controller.Improve the exploitation effect of engine controller
Rate reduces the cost in exploitation, and the engine controller succeeded in developing has higher reliability.Do not recycle computer
Or the test system of industrial personal computer, while volume shared by test system can be reduced, save space, particularly convenient scene after sale or
Person laboratory uses.
It these are only the embodiment of the utility model, it does not limit the scope of the patent of the present invention, every profit
The equivalent structure made with the utility model specification and accompanying drawing content is directly or indirectly used in other relevant technology necks
Domain, similarly within the scope of patent protection of the utility model.
Claims (6)
1. a kind of engine controller function test system, it is characterised in that：The test being detachably connected including pedestal and panel
Box is equipped with power supply in the inside of the pedestal, and inside is also equipped with small signal generator, and the small signal occurs
The side of device is connected with transformer, is connected separately with engine controller equipped with multiple sockets on the base side wall, accelerates
Pedal and oscillograph；Collection of simulant signal area is distributed on the panel, switching signal acquisition zone, dummy-load circuit are shown
Adjustable resistance and is distributed in area, power supply control zone, signal output area and signal monitoring area in the collection of simulant signal area
Two charactron voltage detection modules, wherein the second charactron voltage detection module can show acquisition signal；In the switching signal
Toggle switch and the second light emitting diode are distributed in acquisition zone；First luminous two is distributed in the dummy load viewing area
Pole pipe；Power switch and third light emitting diode are distributed in the power supply control zone, and connects with the power supply in the pedestal
It is connected in the testing cassete power supply；Multiple jacks are distributed in the signal output area, actuator is plugged in jack；It is described
The first charactron voltage detection module is distributed in signal monitoring area, as the implementing result for showing the actuator.
2. a kind of engine controller function test system according to claim 1, it is characterised in that：The analog signal
Acquisition zone further includes the analogue signal acquisition circuit being arranged in pedestal, and the analogue signal acquisition circuit includes the adjustable of series connection
Resistance and the 5th resistance, series connection node are electric with the second charactron voltage detection module of ground connection, third capacitance and the 4th respectively
Hold connection, and for connecting the engine controller；Its first free end connects power supply, the second free ending grounding.
3. a kind of engine controller function test system according to claim 1, it is characterised in that：The switching signal
Acquisition zone further includes the switching signal Acquisition Circuit being arranged in pedestal, and the switching signal Acquisition Circuit includes second luminous two
Pole pipe and toggle switch, the anode connection power supply of second light emitting diode, cathode connect the first end of the toggle switch,
The second end of the toggle switch is vacant, third end ground connection, the 4th end respectively with the 5th capacitance, the 6th resistance and the 6th of ground connection
Capacitance connection, and for connecting the engine controller.
4. a kind of engine controller function test system according to claim 1, it is characterised in that：On the panel
Switching switch is distributed with, be additionally provided with dummy-load circuit and signal output apparatus in the chassis interior connects with the switching switch
It connects；The dummy-load circuit includes the inductance and first resistor of series connection, and the first free end shines respectively with power supply and first
The anode connection of diode, the second free end is connect by second resistance with the cathode of first light emitting diode；It is described
Signal output apparatus includes fuse, and one end of the fuse connects the third end of the switching switch, and the other end is connected with
Jack, the jack are used to connect the actuator.
5. a kind of engine controller function test system according to claim 1, it is characterised in that：In the pedestal
Signal monitoring circuit is additionally provided with, the signal monitoring circuit includes the 3rd resistor and the 4th resistance of series connection, series connection node point
Not with the first charactron voltage detection module, the first capacitance and the second capacitance connection of ground connection, and for connecting the engine
Controller；Its first free end is used to connect the actuator, the second free ending grounding.
6. a kind of engine controller function test system according to claim 1, it is characterised in that：The actuator is
At least one of electronic throttle, atomizer and ignition coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721704018.5U CN207487977U (en) | 2017-12-08 | 2017-12-08 | A kind of engine controller function test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721704018.5U CN207487977U (en) | 2017-12-08 | 2017-12-08 | A kind of engine controller function test system |
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| Publication Number | Publication Date |
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| CN207487977U true CN207487977U (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721704018.5U Active CN207487977U (en) | 2017-12-08 | 2017-12-08 | A kind of engine controller function test system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696907A (en) * | 2019-01-29 | 2019-04-30 | 株洲耀辉光机电研究开发有限公司 | A kind of test macro of gas-turbine unit electricity generation system YHKZ-1 control combination |
| CN110471308A (en) * | 2019-07-17 | 2019-11-19 | 南京航空航天大学 | Aeroengine distributed control system simulation model modeling method based on TrueTime |
-
2017
- 2017-12-08 CN CN201721704018.5U patent/CN207487977U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696907A (en) * | 2019-01-29 | 2019-04-30 | 株洲耀辉光机电研究开发有限公司 | A kind of test macro of gas-turbine unit electricity generation system YHKZ-1 control combination |
| CN110471308A (en) * | 2019-07-17 | 2019-11-19 | 南京航空航天大学 | Aeroengine distributed control system simulation model modeling method based on TrueTime |
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