CN102692602A - Test system and test bench for electric vehicle driving modules - Google Patents
Test system and test bench for electric vehicle driving modules Download PDFInfo
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- CN102692602A CN102692602A CN201210176670XA CN201210176670A CN102692602A CN 102692602 A CN102692602 A CN 102692602A CN 201210176670X A CN201210176670X A CN 201210176670XA CN 201210176670 A CN201210176670 A CN 201210176670A CN 102692602 A CN102692602 A CN 102692602A
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Abstract
The invention discloses a test system and a test bench for electric vehicle driving modules and belongs to the field of vehicles. The test system comprises a control module, a first driving module, a torque sensor, a data acquisition module and a power source. The control module is connected with the first driving module and the data acquisition module respectively through a controller area network (CAN) bus, the torque sensor is connected with the first driving module and the data acquisition module respectively, and the first driving module is connected with the power source. The test system comprising the long-lasting power source, the driving module and the control module is used for endurance tests of electric vehicle driving modules, defects that test is in failure due to low battery power and people need to charge batteries repeatedly when the driving modules mounted on the electric vehicles are tested on real road surfaces are overcome, test cycle of the driving modules is shortened, and test efficiency is improved.
Description
Technical field
The present invention relates to the automotive test field, particularly a kind of system of Drive for EV module testing and stand.
Background technology
Along with developing of automobile industry, China increases by first big country as automobile, and under the soaring day by day trend of global warming and world petroleum price, new-energy automobile has become the emphasis of present auto industry research and development.Present stage, electric automobile was the development priority of new-energy automobile, and drive system is the core component of electric automobile in the electric automobile, and its security and reliability are the most important things of whole electric automobile.
In the prior art,, be through the drive motor in a whole set of driver module and drive motor controller are carried on automobile to the test of the driver module in the electric automobile, through on the road surface operation carry out various data and obtain and durability test.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Carry the mode that driver module is tested through car load, because driver module provides the energy by battery, and battery electric quantity is limited, needs charging repeatedly to carry out the test on true road surface again, causes the excessive cycle of whole test, inefficiency.
Summary of the invention
Long in order to solve the prior art Drive for EV module testing cycle, inefficient problem, the embodiment of the invention provide a kind of system and stand of Drive for EV module testing.Said technical scheme is following:
On the one hand, a kind of system of Drive for EV module testing is provided, said system comprises:
Control module, first driver module, torque sensor, data acquisition module and power supply;
Said control module links to each other through controller local area network's CAN bus with said data acquisition module with said first driver module respectively; Said torque sensor links to each other with said data acquisition module with said first driver module respectively, and said first driver module links to each other with said power supply;
Said control module is used for according to preset operating mode through the CAN bus to the first driver module transmitting control commands, and receives the test data that said first driver module and said data acquisition module report;
Said first driver module; Be used to receive the control command that said control module issues; Make said first driver module get into driving condition, and send the moment of torsion of output to said torque sensor, record current, voltage, humiture data report to said control module as test data;
Said torque sensor is used to obtain the moment of torsion of said first driver module output, and converts thereof into to electric signal and be sent to said data acquisition module;
Said data acquisition module is used to receive the electric signal that said torque sensor sends, and is the moment of torsion data with said electrical signal conversion, and with said moment of torsion data as test data through CAN bus transfer to said control module;
Said power supply is used for to said first driver module power supply.
Wherein, Said first driver module comprises: first drive motor controller that links to each other successively; First drive motor, first shaft coupling, wherein said first drive motor controller links to each other with said control module through the CAN bus; Said first drive motor controller links to each other with said first drive motor, and said first shaft coupling links to each other with said torque sensor;
Said first drive motor controller; Be used to receive the control command that said control module issues; Make said first drive motor controller according to said steering order; Control said first drive motor and get into driving condition, and record current, voltage, humiture data report to said control module as test data;
Said first drive motor is used to receive the control command that said first drive motor controller issues, and gets into driving condition and produces moment of torsion;
Said first shaft coupling is used for sending the moment of torsion of said first drive motor output to said torque sensor.
Wherein, also comprise the Temperature and Humidity Control unit in said first driver module, wherein said first drive motor controller is placed in the said Temperature and Humidity Control unit;
Accordingly, said control module also is used for issuing to said Temperature and Humidity Control unit according to preset operating mode the order of humiture adjustment;
Said Temperature and Humidity Control unit, the humiture adjustment that is used for issuing according to said control module is ordered, the adjustment temperature and humidity.
Wherein, said system also comprises second driver module;
Wherein, said second driver module links to each other through the CAN bus with said control module, and said second driver module links to each other with said torque sensor, and said second driver module links to each other with said power supply;
Said second driver module; Be used to receive the control command that said control module issues; Make said second driver module get into driving condition, and send the moment of torsion of output to said torque sensor, record current, voltage, humiture data report to said control module as test data;
Said second driver module comprises: second shaft coupling and second drive motor and second drive motor controller that link to each other successively; Wherein said second shaft coupling links to each other with said torque sensor; Said second drive motor controller links to each other with said control module through the CAN bus, and said second drive motor controller links to each other with said second drive motor;
Said second drive motor controller; Be used to receive the control command that said control module issues; Make said second drive motor controller according to said steering order; Control said second drive motor and get into driving condition, and record current, voltage, humiture data report to said control module as test data;
Said second drive motor is used to receive the control command that said second drive motor controller issues, and gets into driving condition and produces moment of torsion;
Said second shaft coupling is used for sending the moment of torsion of said second drive motor output to said torque sensor;
Accordingly, said control module also is used for according to preset operating mode through the CAN bus to the second driver module transmitting control commands, and receives the test data that said second driver module and said data acquisition module report;
Said torque sensor also is used to obtain the moment of torsion of said second driver module output, and converts thereof into to electric signal and be sent to said data acquisition module;
Said power supply also is used for to said second driver module power supply.
Wherein, when first driver module is operated in driving condition,
Said second driver module; Also be used for being sent to the moment of torsion of said second shaft coupling according to said torque sensor; Make said second drive motor rotate and be in generating state; And the electric energy that the back of will generating electricity produces is sent to said first driver module, as the energy of the said first driver module driving condition.
On the other hand, a kind of stand of Drive for EV module testing is provided, said stand comprises:
Testing apparatus, driving arrangement, power-supply device;
Said testing apparatus comprises:
Control module is used for according to preset operating mode through the CAN bus to the first driver module transmitting control commands, and receives the test data that said first driver module and said data acquisition module report;
Data acquisition module is used to receive the electric signal that said torque sensor sends, and is the moment of torsion data with said electrical signal conversion, and with said moment of torsion data as test data through CAN bus transfer to said control module;
Said driving arrangement comprises:
First driver module; Be used to receive the control command that said control module issues; Make said first driver module get into driving condition, and send the moment of torsion of output to said torque sensor, record current, voltage, humiture data report to said control module as test data;
Wherein, Said first driver module comprises: first drive motor controller that links to each other successively; First drive motor, first shaft coupling, wherein said first drive motor controller links to each other with said control module through the CAN bus; Said first drive motor controller links to each other with said first drive motor, and said first shaft coupling links to each other with said torque sensor;
Torque sensor is used to obtain the moment of torsion of said first driver module output, and converts thereof into to electric signal and be sent to said data acquisition module;
Said power-supply device comprises:
Power supply is used for to said first driver module power supply;
Said control module links to each other through controller local area network's CAN bus with said data acquisition module with said first driver module respectively; Said torque sensor links to each other with said data acquisition module with said first driver module respectively, and said first driver module links to each other with said power supply.
Wherein, also comprise second driver module in the driving arrangement of said stand,
Wherein, said second driver module links to each other through the CAN bus with said control module, and said second driver module links to each other with said torque sensor, and said second driver module links to each other with said power supply;
Said second driver module; Be used to receive the control command that said control module issues; Make said second driver module get into driving condition, and send the moment of torsion of output to said torque sensor, record current, voltage, humiture data report to said control module as test data;
Said second driver module comprises: second shaft coupling and second drive motor and second drive motor controller that link to each other successively; Wherein said second shaft coupling links to each other with said torque sensor; Said second drive motor controller links to each other with said control module through the CAN bus, and said second drive motor controller links to each other with said second drive motor;
Accordingly, said control module also is used for according to preset operating mode through the CAN bus to the second driver module transmitting control commands, and receives the test data that said second driver module and said data acquisition module report;
Said torque sensor also is used to obtain the moment of torsion of said second driver module output, and converts thereof into to electric signal and be sent to said data acquisition module;
Said power supply also is used for to said second driver module power supply.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
Through long-acting power supply; Driver module; The test macro that control module is formed carries out durable test for the Drive for EV module, has avoided carrying low can't the test of battery electric quantity that can take place when car load is tested on true road surface, needs the situation of repeatedly battery being charged; Make the cycle that driver module is tested reduce, efficient improves.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the system architecture synoptic diagram of the Drive for EV module testing that provides of the embodiment of the invention one;
Fig. 2 is the system architecture synoptic diagram of the Drive for EV module testing that provides of the embodiment of the invention two;
Fig. 3 is the horse structure synoptic diagram of the Drive for EV module testing that provides of the embodiment of the invention three.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
Embodiment one
Referring to Fig. 1, the embodiment of the invention provides a kind of system of Drive for EV module testing, and said system comprises: control module 101, the first driver modules 102, torque sensor 103, data acquisition module 104 and power supply 105;
Said control module 101 links to each other through controller local area network's CAN bus with said data acquisition module 104 with said first driver module 102 respectively; Said torque sensor 103 links to each other with said first driver module 102 respectively and links to each other with said data acquisition module 104, and said first driver module 102 links to each other with said power supply 105;
Said control module 101 is used for according to preset operating mode through the CAN bus to the first driver module transmitting control commands, and receives the test data that said first driver module and said data acquisition module report;
Said first driver module 102 is used to receive the control command that said control module issues, and makes said first driver module get into driving condition, and sends the moment of torsion of output to said torque sensor, record current, voltage.The humiture data report to said control module as test data;
Said torque sensor 103 is used to obtain the moment of torsion of said first driver module 102 outputs, and converts thereof into to electric signal and be sent to said data acquisition module 104;
Said data acquisition module 104 is used to receive the electric signal that said torque sensor 103 sends, and is the moment of torsion data with said electrical signal conversion, and with said moment of torsion data as test data through CAN bus transfer to said control module 101;
Said power supply 105 is used for to 102 power supplies of said first driver module.
The embodiment of the invention is through long-acting power supply; Driver module; The test macro that control module is formed carries out durable test for the Drive for EV module, has avoided carrying low can't the test of battery electric quantity that can take place when car load is tested on true road surface, needs the situation of repeatedly battery being charged; Make the cycle that driver module is tested reduce, efficient improves.
Embodiment two
Referring to Fig. 2, the embodiment of the invention provides a kind of system of Drive for EV module testing, is further specifying embodiment one.
Need to prove, only need pass through control module, driver module in the embodiment of the invention; Power supply; And the servicing unit formation whole test system of testing durable usefulness, can carry out durable test to the driver module of electric automobile, need not running environment through real vehicles; Reduced that to carry the test period that the car load experiment caused long, the test mode of inefficiency.
Said system comprises: control module 201, the first driver modules 202, torque sensor 203, data acquisition module 204 and power supply 205;
Said control module 201 links to each other through controller local area network's CAN bus with said data acquisition module 204 with said first driver module 202 respectively; Said torque sensor 203 links to each other with said data acquisition module 204 with said first driver module 202 respectively, and said first driver module 202 links to each other 205 with said power supply;
Said control module 201 is used for according to preset operating mode through the CAN bus to first driver module, 201 transmitting control commands, and receives the test data that said first driver module 201 and said data acquisition module 204 report;
Said first driver module 202; Be used to receive the control command that said control module 201 issues; Make said first driver module 202 get into driving condition; And with output moment of torsion send said torque sensor 203 to, record current, voltage, humiture data report to said control module 201 as test data;
Said torque sensor 203 is used to obtain the moment of torsion of said first driver module 202 outputs, and converts thereof into to electric signal and be sent to said data acquisition module 204;
Said data acquisition module 204 is used to receive the electric signal that said torque sensor 203 sends, and is the moment of torsion data with said electrical signal conversion, and with said moment of torsion data as test data through CAN bus transfer to said control module 201;
Said power supply 205 is used for to 202 power supplies of said first driver module.
Concrete; Control module 201 is responsible for to driver module transmitting control commands to be tested, and wherein control command is formulated according to predefined operating mode, is used to test the durable of driver module; The concrete operating mode of carrying out can be different according to the different vehicles performance; Emulation that need be through Full Vehicle System is converted into the actual operating mode of respective drive module with the operating condition of car load, and the operation milimeter number that required by the car load testing standard needed working time obtains after the system emulation conversion.
Wherein, Said first driver module 202 comprises first drive motor controller 2021 that links to each other successively; First drive motor, 2022, the first shaft couplings 2023, wherein said first drive motor controller 2021 links to each other with said control module 201 through the CAN bus; Said first drive motor controller 2021 links to each other with said first drive motor 2022, and said first shaft coupling 2023 links to each other with said torque sensor 203.
Said first drive motor controller 2021; Be used to receive the control command that said control module 201 issues; Make said first drive motor controller 2021 according to said steering order; Control said first drive motor 2022 and get into driving conditions, and record current, voltage, humiture data report to said control module 201 as test data;
Said first drive motor 2022 is used to receive the control command that said first drive motor controller 2021 issues, and gets into driving condition and produces moment of torsion;
Said first shaft coupling 2023 is used for sending the moment of torsion of said first drive motor 2022 outputs to said torque sensor 203.
Wherein, Shaft coupling is that two axles (main drive shaft and driven shaft) that are used for connecting in the different institutions make it common rotation to transmit the mechanical component of moment of torsion; Shaft coupling 2023 is to be used for connecting drive motor and the direct web member of torque sensor in embodiments of the present invention; It can directly be sent to torque sensor with the moment of torsion of drive motor generation, makes torque sensor rotate.
First drive motor controller 2021 also need write down data such as current rotating speed, torque, voltage, electric current, temperature, humidity, and it is sent to control module 201 as test data, and control module 201 can write down, monitor and store it.
Preferably, in the embodiment of the invention, will in first driver module 202, can also comprise a Temperature and Humidity Control unit 2024, wherein said first drive motor controller 2021 is placed in the said Temperature and Humidity Control unit 2024.This Temperature and Humidity Control unit is an experimental box that humiture is adjustable; The humiture that can simulate in the actual environment changes; Test the influence that is placed in first drive motor controller in the Temperature and Humidity Control unit; Humiture in the chamber changes the requirement of setting according to operating mode and changes, and specifically can send humiture adjustment order to it through control module 202.
Accordingly, said control module 201 also is used for issuing to said Temperature and Humidity Control unit 2024 according to preset operating mode the order of humiture adjustment;
Said Temperature and Humidity Control unit 2024, the humiture adjustment that is used for issuing according to said control module 201 is ordered, the adjustment temperature and humidity.
Preferably, in total system, have the identical driver module of two covers, according to the instruction works of control module in different operation states.
Said system also comprises second driver module 206;
Wherein, said second driver module 206 links to each other through the CAN bus with said control module 201, and said second driver module 206 links to each other with said torque sensor 203, and said second driver module 206 links to each other with said power supply 205;
Said second driver module 206; Be used to receive the control command that said control module 201 issues; Make said second driver module 206 get into driving condition; And with output moment of torsion send said torque sensor 203 to, record current, voltage, humiture data report to said control module 201 as test data;
Said second driver module 206 comprises: second shaft coupling 2063 and second drive motor 2062 and second drive motor controller 2061 that link to each other successively; Wherein said second shaft coupling 2063 links to each other with said torque sensor 203; Said second drive motor controller 2061 links to each other with said control module 201 through the CAN bus, and said second drive motor controller 2061 links to each other 2062 with said second drive motor;
Said second drive motor controller 2061; Be used to receive the control command that said control module 201 issues; Make said second drive motor controller 2061 according to said steering order; Control said second drive motor 2062 and get into driving conditions, and record current, voltage, humiture data report to said control module 201 as test data;
Said second drive motor 2062 is used to receive the control command that said second drive motor controller 2061 issues, and gets into driving condition and produces moment of torsion;
Said second shaft coupling 2063 is used for sending the moment of torsion of said second drive motor 2062 outputs to said torque sensor 203;
Accordingly, said control module 201 also is used for according to preset operating mode through the CAN bus to second driver module, 206 transmitting control commands, and receives the test data that said second driver module 206 and said data acquisition module 204 report;
Said torque sensor 203 also is used to obtain the moment of torsion of said second driver module 206 outputs, and converts thereof into to electric signal and be sent to said data acquisition module 204;
Said power supply 205 also is used for to 206 power supplies of said second driver module.
Further, when first driver module 202 is operated in driving condition,
Said second driver module 206; Also be used for being sent to the moment of torsion of said second shaft coupling 2063 according to said torque sensor 203; Make said second drive motor 2062 rotate and be in generating state; And the electric energy that the back of will generating electricity produces is sent to said first driver module 202, as the energy of said first driver module, 202 driving conditions.
When experiment was carried out, when first driver module 202 was operated in driving condition, 206 of second driver modules were operated in generating state.Because the moment of torsion that first driver module 202 produces makes torque sensor 203 forward to; And second shaft coupling 2063 that has driven in second driver module 206 that is connected torque sensor 203 opposite sides rotates, and makes second drive motor 2062 that is connected with second shaft coupling 2063 get into generating state.Second drive motor 2062 is transferred to first driver module 202 with the electric energy that produces through circuit, as the energy of first driver module, 202 driving conditions, is replenishing as power supply 205.After the energy feedback, the energy that total system consumes reduces.
The embodiment of the invention is through long-acting power supply; Driver module; The test macro that control module is formed carries out durable test for the Drive for EV module, has avoided carrying low can't the test of battery electric quantity that can take place when car load is tested on true road surface, needs the situation of repeatedly battery being charged; Make the cycle that driver module is tested reduce, efficient improves.
Embodiment three
Referring to Fig. 3, the embodiment of the invention provides a kind of stand of Drive for EV module testing, and said stand comprises: testing apparatus 301, driving arrangement 302, power-supply device 303;
Said testing apparatus 301 comprises:
Control module 3011 is used for according to preset operating mode through the CAN bus to first driver module, 3021 transmitting control commands, and receives the test data that said first driver module 3021 and said data acquisition module 3012 report;
Data acquisition module 3012 is used to receive the electric signal that said torque sensor 3022 sends, and is the moment of torsion data with said electrical signal conversion, and with said moment of torsion data as test data through CAN bus transfer to said control module 3011;
Said driving arrangement 302 comprises:
First driver module 3021; Be used to receive the control command that said control module 3011 issues; Make said first driver module 3021 get into driving condition; And with output moment of torsion send said torque sensor 3022 to, record current, voltage, humiture data report to said control module 3011 as test data;
Torque sensor 3022 is used to obtain the moment of torsion of said first driver module 3021 outputs, and converts thereof into to electric signal and be sent to said data acquisition module 3012;
Said power-supply device 303 comprises:
Power supply 3031 is used for to 3021 power supplies of said first driver module;
Said control module 3011 links to each other through controller local area network's CAN bus with said data acquisition module 3012 with said first driver module 3021 respectively; Said torque sensor 3022 links to each other with said data acquisition module 3012 with said first driver module 3021 respectively, and said first driver module 3021 links to each other with said power supply 3031.
Also comprise second driver module 3023 in the driving arrangement of said stand,
Wherein, said second driver module 3023 links to each other through the CAN bus with said control module 3011, and said second driver module 3023 links to each other with said torque sensor 3022, and said second driver module 3023 links to each other with said power supply 3031;
Said second driver module 3023; Be used to receive the control command that said control module 3011 issues; Make said second driver module 3023 get into driving condition; And with output moment of torsion send said torque sensor 3022 to, record current, voltage, humiture data report to said control module 3011 as test data;
Accordingly, said control module 3011 also is used for according to preset operating mode through the CAN bus to second driver module, 3023 transmitting control commands, and receives the test data that said second driver module 3023 and said data acquisition module 3012 report;
Said torque sensor 3022 also is used to obtain the moment of torsion of said second driver module 3023 outputs, and converts thereof into to electric signal and be sent to said data acquisition module 3012;
Said power supply 3011 also is used for to 3023 power supplies of said second driver module.
The embodiment of the invention is through long-acting power supply; Driver module; The test macro that control module is formed carries out durable test for the Drive for EV module, has avoided carrying low can't the test of battery electric quantity that can take place when car load is tested on true road surface, needs the situation of repeatedly battery being charged; Make the cycle that driver module is tested reduce, efficient improves.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
The all or part of step that one of ordinary skill in the art will appreciate that realization the foregoing description can be accomplished through hardware; Also can instruct relevant hardware to accomplish through program; Described program can be stored in a kind of computer-readable recording medium; The above-mentioned storage medium of mentioning can be a ROM (read-only memory), disk or CD etc.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the system of a Drive for EV module testing is characterized in that, said system comprises: control module, first driver module, torque sensor, data acquisition module and power supply;
Said control module links to each other through controller local area network's CAN bus with said data acquisition module with said first driver module respectively; Said torque sensor links to each other with said data acquisition module with said first driver module respectively, and said first driver module links to each other with said power supply;
Said control module is used for according to preset operating mode through the CAN bus to the first driver module transmitting control commands, and receives the test data that said first driver module and said data acquisition module report;
Said first driver module; Be used to receive the control command that said control module issues; Make said first driver module get into driving condition, and send the moment of torsion of output to said torque sensor, record current, voltage, humiture data report to said control module as test data;
Said torque sensor is used to obtain the moment of torsion of said first driver module output, and converts thereof into to electric signal and be sent to said data acquisition module;
Said data acquisition module is used to receive the electric signal that said torque sensor sends, and is the moment of torsion data with said electrical signal conversion, and with said moment of torsion data as test data through CAN bus transfer to said control module;
Said power supply is used for to said first driver module power supply.
2. system according to claim 1; It is characterized in that said first driver module comprises: first drive motor controller that links to each other successively, first drive motor; First shaft coupling; Wherein said first drive motor controller links to each other with said control module through the CAN bus, and said first drive motor controller links to each other with said first drive motor, and said first shaft coupling links to each other with said torque sensor;
Said first drive motor controller; Be used to receive the control command that said control module issues; Make said first drive motor controller according to said steering order; Control said first drive motor and get into driving condition, and record current, voltage, humiture data report to said control module as test data;
Said first drive motor is used to receive the control command that said first drive motor controller issues, and gets into driving condition and produces moment of torsion;
Said first shaft coupling is used for sending the moment of torsion of said first drive motor output to said torque sensor.
3. system according to claim 1 is characterized in that, also comprises the Temperature and Humidity Control unit in said first driver module, and wherein said first drive motor controller is placed in the said Temperature and Humidity Control unit;
Accordingly, said control module also is used for issuing to said Temperature and Humidity Control unit according to preset operating mode the order of humiture adjustment;
Said Temperature and Humidity Control unit, the humiture adjustment that is used for issuing according to said control module is ordered, the adjustment temperature and humidity.
4. system according to claim 1 is characterized in that said system also comprises second driver module;
Wherein, said second driver module links to each other through the CAN bus with said control module, and said second driver module links to each other with said torque sensor, and said second driver module links to each other with said power supply;
Said second driver module; Be used to receive the control command that said control module issues; Make said second driver module get into driving condition, and send the moment of torsion of output to said torque sensor, record current, voltage, humiture data report to said control module as test data;
Said second driver module comprises: second shaft coupling and second drive motor and second drive motor controller that link to each other successively; Wherein said second shaft coupling links to each other with said torque sensor; Said second drive motor controller links to each other with said control module through the CAN bus, and said second drive motor controller links to each other with said second drive motor;
Said second drive motor controller; Be used to receive the control command that said control module issues; Make said second drive motor controller according to said steering order; Control said second drive motor and get into driving condition, and record current, voltage, humiture data report to said control module as test data;
Said second drive motor is used to receive the control command that said second drive motor controller issues, and gets into driving condition and produces moment of torsion;
Said second shaft coupling is used for sending the moment of torsion of said second drive motor output to said torque sensor;
Accordingly, said control module also is used for according to preset operating mode through the CAN bus to the second driver module transmitting control commands, and receives the test data that said second driver module and said data acquisition module report;
Said torque sensor also is used to obtain the moment of torsion of said second driver module output, and converts thereof into to electric signal and be sent to said data acquisition module;
Said power supply also is used for to said second driver module power supply.
5. system according to claim 4 is characterized in that, when first driver module is operated in driving condition,
Said second driver module; Also be used for being sent to the moment of torsion of said second shaft coupling according to said torque sensor; Make said second drive motor rotate and be in generating state; And the electric energy that the back of will generating electricity produces is sent to said first driver module, as the energy of the said first driver module driving condition.
6. the stand of a Drive for EV module testing is characterized in that, said stand comprises: testing apparatus, driving arrangement, power-supply device;
Said testing apparatus comprises:
Control module is used for according to preset operating mode through the CAN bus to the first driver module transmitting control commands, and receives the test data that said first driver module and said data acquisition module report;
Data acquisition module is used to receive the electric signal that said torque sensor sends, and is the moment of torsion data with said electrical signal conversion, and with said moment of torsion data as test data through CAN bus transfer to said control module;
Said driving arrangement comprises:
First driver module; Be used to receive the control command that said control module issues; Make said first driver module get into driving condition, and send the moment of torsion of output to said torque sensor, record current, voltage, humiture data report to said control module as test data;
Torque sensor is used to obtain the moment of torsion of said first driver module output, and converts thereof into to electric signal and be sent to said data acquisition module;
Said power-supply device comprises:
Power supply is used for to said first driver module power supply;
Said control module links to each other through controller local area network's CAN bus with said data acquisition module with said first driver module respectively; Said torque sensor links to each other with said data acquisition module with said first driver module respectively, and said first driver module links to each other with said power supply.
7. stand according to claim 6 is characterized in that, also comprises second driver module in the driving arrangement of said stand,
Wherein, said second driver module links to each other through the CAN bus with said control module, and said second driver module links to each other with said torque sensor, and said second driver module links to each other with said power supply;
Said second driver module; Be used to receive the control command that said control module issues; Make said second driver module get into driving condition, and send the moment of torsion of output to said torque sensor, record current, voltage, humiture data report to said control module as test data;
Accordingly, said control module also is used for according to preset operating mode through the CAN bus to the second driver module transmitting control commands, and receives the test data that said second driver module and said data acquisition module report;
Said torque sensor also is used to obtain the moment of torsion of said second driver module output, and converts thereof into to electric signal and be sent to said data acquisition module;
Said power supply also is used for to said second driver module power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210176670XA CN102692602A (en) | 2012-05-31 | 2012-05-31 | Test system and test bench for electric vehicle driving modules |
Applications Claiming Priority (1)
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| CN104793140A (en) * | 2015-04-29 | 2015-07-22 | 重庆长安汽车股份有限公司 | Endurance test system for automobile start motors |
| CN110083140A (en) * | 2019-04-28 | 2019-08-02 | 江苏金彭车业有限公司 | A kind of electric machine controller testboard bay |
| CN112611405A (en) * | 2020-12-08 | 2021-04-06 | 南京东磊汽车仪表有限公司 | Test processing device based on special digital instrument of CAN bus all-terrain vehicle |
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