CN104236919B - Electric automobile multifunctional performance test-bed - Google Patents
Electric automobile multifunctional performance test-bed Download PDFInfo
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- CN104236919B CN104236919B CN201410453581.4A CN201410453581A CN104236919B CN 104236919 B CN104236919 B CN 104236919B CN 201410453581 A CN201410453581 A CN 201410453581A CN 104236919 B CN104236919 B CN 104236919B
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Abstract
The invention provides a kind of electric automobile multifunctional performance test-bed, comprise test macro, system under test (SUT), stand supporting construction, control system, data acquisition system (DAS) and electrical system; Wherein test macro comprises the dynamometer motor, speed-increasing gear, the first ring flange, torque sensor, the second ring flange, bearing seat, three-flange dish and the immunity shaft coupling that connect successively, speed-increasing gear is integrated with test gear-shifting actuating mechanism; System under test (SUT) comprises interconnective wheel box and by measured motor, wheel box is integrated with tested gear-shifting actuating mechanism; Stand supporting construction comprises base, test macro support section and system under test (SUT) support section; Control system comprises dynamometer motor controller, measurement of power control module, tested electric machine controller and tested entire car controller.Utilize this test-bed can complete all tests tested electric automobile, and test macro and system under test (SUT) are all arranged in stand supporting construction by slide block, are convenient to install and move.
Description
Technical field
The present invention relates to electric automobile experimental test field, be specially a kind of electric automobile multifunctional performance test-bed.
Background technology
Electric automobile refers to vehicle mounted dynamic battery to be power, the vehicle travelled by power wheel.The performance of motor, the performance of electric machine controller and coupling are between the two directly connected to dynamic property and the economy of electric automobile.Because vehicle operation interval belongs to face operating mode, make the working range of motor very wide, therefore require that the output terminal of motor can be equipped with a wheel box, for slowing down, increasing is turned round, and increases the scope of application of electric automobile, makes motor can be operated in efficient district.It is all experimental test contents that electric automobile must carry out that the power performance test of motor, the performance test of electric machine controller, motor and the matching performance test of electric machine controller, the checking of gearbox shifting experimental test, integrated vehicle control tactics and demarcation, power system dynamic property are tested.Electric automobile, compared with orthodox car, can realize Brake energy recovery and stall start, and come energy-conservation with this and reduce environmental pollution, this performance also should carry out preliminary test on test-bed, then carries out real steering vectors.
Traditional internal-combustion engines vehicle also has corresponding test-bed can carry out power performance test to its power system components and assembly, but this all test can not be completed on a test-bed, test-bed is bulky simultaneously, is not easy to install and move, and makes to test the very complicated of change.Electric automobile can complete performance test to power system assembly and each parts and coupling on a test-bed, can also verify integrated vehicle control tactics on this stand and demarcate simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of electric automobile multifunctional performance test-bed, can complete all tests of electric automobile in this test-bed, and is convenient to install and move.
The present invention for solving the problems of the technologies described above taked technical scheme is: a kind of electric automobile multifunctional performance test-bed, is characterized in that: it comprises test macro, system under test (SUT), stand supporting construction, control system, data acquisition system (DAS) and electrical system; Wherein
Test macro comprises the dynamometer motor, speed-increasing gear, the first ring flange, torque sensor, the second ring flange, bearing seat, three-flange dish and the immunity shaft coupling that connect successively, speed-increasing gear is integrated with test gear-shifting actuating mechanism; System under test (SUT) comprises interconnective wheel box and by measured motor, wheel box is integrated with tested gear-shifting actuating mechanism; Wheel box is connected with immunity shaft coupling;
Stand supporting construction comprises base, and base is supported by liftable lip block, and base is provided with test macro support section and system under test (SUT) support section; Wherein test macro support section comprises bracing frame and the first support seam, be connected with base sliding by slide block bottom bracing frame, bracing frame is for supporting the dynamometer motor, speed-increasing gear, the first ring flange, torque sensor, the second ring flange, bearing seat, three-flange dish and the immunity shaft coupling that from left to right connect successively, the left bottom of dynamometer motor supports seam by first and is fixed on bracing frame, test macro support section outside is provided with protective cover, only exposes the right output port of immunity shaft coupling; System under test (SUT) support section is arranged on the right of test macro support section, and comprise lifting back-up block assembly and second and support seam, be all connected with base sliding by slide block, glide direction is consistent with bracing frame;
Control system comprises dynamometer motor controller, measurement of power control module, tested electric machine controller and tested entire car controller, wherein measurement of power control module controls dynamometer motor by dynamometer motor controller, tested entire car controller by tested motor controller controls by measured motor, measurement of power control module also tests gear-shifting actuating mechanism for controlling, and tested entire car controller is also for controlling tested gear-shifting actuating mechanism;
Data acquisition system (DAS) is used for all parameters needed for acquisition test and feeds back to corresponding part in control system;
Electrical system is used for powering to above system, comprises low-voltage power supply circuit and high-voltage power supply circuit.
By such scheme, it also comprises host computer, is connected respectively with measurement of power control module and tested entire car controller.
By such scheme, it also comprises 2 cover cooling systems, and 1 cover is used for the cooling of test macro, is controlled by measurement of power control module, and another 1 cover is used for the cooling of system under test (SUT), by tested vehicle control unit controls.
By such scheme, described data acquisition system (DAS) also comprises power analyzer, for undertaken by measured motor, tested electric machine controller and wheel box power producing characteristics, coupling analyze.
By such scheme, described base is a rectangular box be made up of base plate, backing plate, cross-lining and vertical lining, and wherein backing plate is connected with described lip block, and vertical being lining with has intervisibility hole, base plate is provided with the fluting that cross section is " convex " shape, and fluting mates with described slide block.
By such scheme, described lifting back-up block assembly is made up of upper retainer plate, screw rod, support slipper, left side wall, lower retainer plate, sole piece, upper cover, right side wall and support column;
Wherein sole piece, left side wall, right side wall and upper cover form a frame-shaped construction; Lower retainer plate is fixed on sole piece, and upper retainer plate is fixed on and covers, and screw rod two ends are spacing respectively by upper and lower retainer plate, and screw tip has one section to be exposed at outside upper cover outward and is fixed with setting nut; Support slipper to be enclosed within screw rod and to be connected with screw rod by screw thread, fixing slide block is fixed by bolt and support slipper, support column is arranged between fixing slide block and support slipper, support column two ends be separately fixed at sole piece and on cover, support slipper and the through hole being provided with the variable diameters for fixing unit under test corresponding to fixing slide block, for being connected with tested parts; Sole piece is slidably connected by slide block and base plate.
Beneficial effect of the present invention is:
1, utilize this test-bed can complete all tests tested electric automobile, and test macro and system under test (SUT) are all arranged in stand supporting construction by slide block, are convenient to install and move; Because any parts in system under test (SUT) are all detachable, therefore this test-bed both can be tested whole system under test (SUT), also can test parts any in system under test (SUT), match test, efficiency test between power system of electric automobile parts can also be carried out, the performance of whole power system is evaluated.
2, this test-bed also can increase host computer, implants road surface load simulation module, simulate the load of real-time road surface in host computer, tests serviceability situation and the checking integrated vehicle control tactics of power system of electric automobile under different operating mode.
Accompanying drawing explanation
Fig. 1 is the electrical system circuit connection diagram of one embodiment of the invention;
Fig. 2 is the signal transmission connection diagram of one embodiment of the invention;
Fig. 3 is the mechanical part syndeton schematic diagram of one embodiment of the invention;
Fig. 4 is slide block structure schematic diagram in the physical construction of one embodiment of the invention;
Fig. 5 is the detailed schematic of base in one embodiment of the invention Fig. 3;
Fig. 6 is the detailed schematic being elevated back-up block assembly in one embodiment of the invention Fig. 3;
Fig. 7 is another detailed schematic being elevated back-up block assembly in one embodiment of the invention Fig. 3;
Fig. 8 is the test philosophy figure schematic diagram that one embodiment of the invention carries out when Work condition analogue is tested;
Fig. 9 is a kind of test philosophy schematic diagram of one embodiment of the invention when carrying out performance test;
Figure 10 is the another kind of test philosophy schematic diagram of one embodiment of the invention when carrying out performance test;
Figure 11 is the Booting sequence figure of one embodiment of the invention.
1-dynamometer motor; 2-speed-increasing gear; 3-tests gear shifting actuating mechanism; 4-torque sensor; 5-immunity shaft coupling; 6-inflating pump; The tested gear shifting actuating mechanism of 7-; 8-wheel box; 9-is by measured motor; The tested cooling system of 10-; The tested electric machine controller of 11-; 12-high-voltage signal acquisition module; 13-inverter; 14-DC/DC transducer; 15-24V accumulator; 16-high tension distribution system; 17-measurement of power control module; The tested entire car controller of 18-; 19-dynamometer motor controller; 20-measurement of power cooling system; 21-host computer; 22-power analyzer; 23-gas pedal; 24-first supports seam; 25-first protective cover lower cover; 26-dynamometer motor triple-phase line; 27-first protective cover upper cover; 28-first connecting end surface; 29-second connecting end surface; 30-support; 31-first ring flange; 32-second ring flange; The upper gusset of 33-; 34-bearing seat; 35-three-flange dish; 36-second protective cover upper cover; 37-the 3rd connecting end surface; 38-the 4th connecting end surface; 39--is by measured motor triple-phase line; 40-second supports seam; 41-is elevated back-up block assembly; 42-second protective cover lower cover; 43-intervisibility hole; 44-second line of a couplet fishplate bar; 45-flute profile riser; 46-gusset; 47-riser; 48-base plate; 49-base; 50-lip block; 51-slide block; The vertical lining of 52-; 53-backing plate; 54-cross-lining; 55-slots; The upper retainer plate of 56-; 57-screw rod; 58-support slipper; 59-left side wall; Retainer plate under 60-; 61-sole piece; 62-setting nut; 63-upper cover; 64-right side wall; 65-support column; 66-fixes slide block; 67-dynamometer motor controller temperature sensor; 68-dynamometer motor temperature sensor; 69-speed-increasing gear speed probe; 70-rotating speed sensor for gearbox; The tested motor temperature sensor of 71-; The tested electric machine controller temperature sensor of 72-; The tested motor speed sensor of 73-; 74-dynamometer motor speed probe; 75-dynamometer motor controller current sensor; 76-moment of resistance analog module; 77-speed of a motor vehicle converting unit; 78-gear ratio; 79-gear ratio; 80-three-phase alternating current flow sensor; 81-three-phase alternating current pressure sensor; 82-DC bus-bar voltage sensor; 83-DC bus current sensor.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of electric automobile multifunctional performance test-bed as shown in Figure 1,2 and 3, comprise test macro, system under test (SUT), stand supporting construction, control system, data acquisition system (DAS) and electrical system.
Test macro comprises the dynamometer motor 1, speed-increasing gear 2, first ring flange 31, torque sensor 4, second ring flange 32, bearing seat 34, three-flange dish 35 and the immunity shaft coupling 5 that connect successively, speed-increasing gear 2 is integrated with test gear-shifting actuating mechanism 3; System under test (SUT) comprises interconnective wheel box 8 and by measured motor 9, wheel box 8 is integrated with tested gear-shifting actuating mechanism 7; Wheel box 8 output shaft end is directly connected with immunity shaft coupling 5.Test gear shifting actuating mechanism 3 and tested gear shifting actuating mechanism 7 all adopt Pneumatic shift, provide air pressure by inflating pump 6.
Stand supporting construction comprises base 49, and base 49 is supported by liftable lip block 50, and base 49 is provided with test macro support section and system under test (SUT) support section; Wherein test macro support section comprises bracing frame and the first support seam 24, be slidably connected by slide block 51 and base 49 bottom bracing frame, the left bottom of dynamometer motor 1 supports seam 24 by first and is fixed on bracing frame, test macro support section outside is provided with the first protective cover, first protective cover is made up of the first protective cover upper cover 27 and the first protective cover lower cover 25, only exposes the right output port of immunity shaft coupling 5; System under test (SUT) support section is arranged on the right of test macro support section, and comprise lifting back-up block assembly 41 and second and support seam 40, be all slidably connected by slide block 51 and base 49, glide direction is consistent with bracing frame.Base 49 is a rectangular box be made up of base plate 48, backing plate 53, cross-lining 54 and vertical lining 52, wherein backing plate 53 is connected with described lip block 50, vertical lining 52 has intervisibility hole 43, and base plate 48 is provided with the fluting 55 of cross section for " convex " shape, and fluting 55 mates with described slide block 51.Described lifting back-up block assembly 41 is made up of upper retainer plate 56, screw rod 57, support slipper 58, left side wall 59, lower retainer plate 60, sole piece 61, upper cover 63, right side wall 64 and support column 65; Wherein sole piece 61, left side wall 59, right side wall 64 and upper cover 63 form a frame-shaped construction; Lower retainer plate 60 is fixed on sole piece 61, and upper retainer plate 56 is fixed on upper cover 63, screw rod 57 two ends respectively by upper retainer plate 56 and lower retainer plate 60 spacing, and screw rod 57 top has one section to be exposed at outside upper cover 63 outward and is fixed with setting nut 62; Support slipper 58 to be enclosed within screw rod 57 and to be connected with screw rod 57 by screw thread, fixing slide block 66 is fixed by bolt and support slipper 58, support column 65 is arranged between fixing slide block 66 and support slipper 58, support column 65 two ends are separately fixed on sole piece 61 and upper cover 63, the through hole being provided with the variable diameters for fixing tested wheel box 8 of support slipper 58 and fixing slide block 66 correspondence, for being connected with tested wheel box 8; Sole piece 61 is slidably connected by slide block 51 and base plate 48.
Control system comprises dynamometer motor controller 19, measurement of power control module (ECU) 17, tested electric machine controller 11 and tested entire car controller (VCU) 18, wherein measurement of power control module 17 controls dynamometer motor 1 by dynamometer motor controller 19, tested entire car controller 18 controls by measured motor 9 by tested electric machine controller 11, measurement of power control module 17 also tests gear-shifting actuating mechanism 3 for controlling, and tested entire car controller 18 is also for controlling tested gear-shifting actuating mechanism 7.
Data acquisition system (DAS) is used for all parameters needed for acquisition test and feeds back to corresponding part in control system;
Electrical system is used for powering to above system, comprises high-voltage power supply circuit and low-voltage power supply circuit.
As shown in Figure 1, electrical system circuit connection diagram in the electric automobile multifunctional performance test-bed of the embodiment of the present invention.In high-voltage power supply circuit, three-phase alternating current in electrical network (380VAC) is reverse into stable DC high-voltage by inverter (power supply) 13, by high tension distribution system 16, direct current energy is supplied tested electric machine controller 11, dynamometer motor controller 19, DC/DC transducer 14, also can by dynamometer motor 1 and by measured motor 9 to be under generating state generate electricity and can be reverse into 380VAC and feed back to electrical network, realize by the Brake energy recovery performance test of measured motor 9; Inverter (power supply) is connected with 13 high tension distribution systems 16; DC high-voltage is supplied dynamometer motor controller 19 by high tension distribution system 16, DC high-voltage is reverse into three-phase alternating current dynamometer motor 1 of powering and drives electric energy by dynamometer motor controller 19, also dynamometer motor 1 can be in generating state lower send out threephase AC electric energy and be reverse into direct current, feed back to high tension distribution system 16; DC high-voltage is supplied dynamometer motor controller 19 by high-voltage signal acquisition module 12 by high tension distribution system 16, DC high-voltage is reverse into three-phase alternating current and supplies by measured motor 9 by high-voltage signal acquisition module 12 by dynamometer motor controller 19, also can by when being in generating state send out by measured motor 9 threephase AC electric energy and be reverse into direct current, feed back to high tension distribution system 16; Three-phase alternating current flow sensor 80, three-phase alternating current pressure sensor 81, DC bus-bar voltage sensor 82, DC bus current sensor 83 are housed in high-voltage signal acquisition module 12, measure the DC voltage of input dynamometer motor controller 11, DC current and input by the three-phase alternating voltage of measured motor 9, three-phase alternating current; DC high-voltage is supplied DC/DC transducer 14 by high tension distribution system 16.
In low-voltage power supply circuit, DC high-voltage 600VDC is transformed into 27VDC and charges to 24V accumulator 15 by DC/DC transducer 14, low tension is supplied high tension distribution system 16 by 24V accumulator 15, with low-voltage distribution part in high tension distribution system 16, supply low tension to tested electric machine controller 11, dynamometer motor controller 19, tested entire car controller 18, measurement of power control module 17, tested cooling system 10, measurement of power cooling system 20 by high tension distribution system 16.
In the present embodiment, preferably, this test-bed also comprises host computer 21, is connected respectively with measurement of power control module 17 and tested entire car controller 18.
In the present embodiment, preferably, this test-bed also comprises 2 cover cooling systems (10,20), and 1 cover is used for the cooling of test macro, is controlled by measurement of power control module 17, and another 1 cover is used for the cooling of system under test (SUT), is controlled by tested entire car controller 18.Test macro and system under test (SUT) all need cooling system.In test macro, dynamometer motor 1 and dynamometer motor controller 19 adopt same Water-cooling circulating, share measurement of power cooling system 20; Adopted same Water-cooling circulating by measured motor 9 and tested electric machine controller 11 in system under test (SUT), share tested cooling system 10.The type of cooling all adopts water-cooling pattern; Often overlap cooling system and comprise a cooling-water pump and a cooling fan; Measurement of power cooling system 20 controls its opening and closing by measurement of power control module 17 by dynamometer motor stator temperature and dynamometer motor controller temperature, and tested cooling system 10 controls its opening and closing by tested entire car controller 18 by drive motor stator temperature and drive motor controller temperature; Two cover cooling systems all directly control opening and closing by host computer manual input commands.
In the present embodiment, preferably, described data acquisition system (DAS) also comprises power analyzer 22, for undertaken by measured motor 9, tested electric machine controller 11 and wheel box 8 power producing characteristics, coupling analyze.
As shown in Figure 2, the transmission of various signal is comprised in the electric automobile multifunctional performance test-bed of the embodiment of the present invention between each electric component.In a test system, measurement of power control module 17 is connected with dynamometer motor controller 19 by CAN line, also carries out signal by rigid line between the two and transmits alternately, and measurement of power control module 17 can control dynamometer motor controller 19 by sending order; Dynamometer motor controller 19 controls dynamometer motor 1, and control variable output valve is fed back to dynamometer motor controller 19 by dynamometer motor 1; Speed-increasing gear 2 axle head is equipped with dynamometer motor speed probe 74 and speed-increasing gear speed probe 69, respectively the rotating speed of dynamometer motor 1 and speed-increasing gear 2 axle head output speed is fed back to dynamometer motor controller 19; Speed-increasing gear 2 axle head is exported real-time torque feedback to dynamometer motor controller 19 by torque sensor 4, realizes moment of torsion closed-loop control; Current gear is fed back to measurement of power control module 17 by test gear shifting actuating mechanism 3, and measurement of power control module 17 provides analog electrical for test gear shifting actuating mechanism 3, controls the gear shifting action of test gear shifting actuating mechanism 3 simultaneously; High tension distribution system 16 feeds back corresponding collection signal to measurement of power control module 17, and measurement of power control module 17 controls corresponding high-voltage DC contactor and lv contactor opening and closing; Measurement of power control module 17 controls cut-offfing of measurement of power cooling system 20 by the stator temperature value of feedback of dynamometer motor controller 19 temperature measured by dynamometer motor controller temperature sensor 67 and dynamometer motor temperature sensor 68 and dynamometer motor 1.In system under test (SUT), tested entire car controller 18 is connected with tested electric machine controller 11 by CAN line, also carries out signal by rigid line between the two and transmits alternately, and tested entire car controller 18 can control tested electric machine controller 11 by sending order; Tested electric machine controller 11 controls by measured motor 9, by measured motor 9, control variable output valve is fed back to tested electric machine controller 11; Wheel box 8 axle head is equipped with tested motor speed sensor 73 and rotating speed sensor for gearbox 70, feeds back to tested electric machine controller 11 respectively by by the rotating speed of measured motor 9 and wheel box 8 axle head output speed; Current gear is fed back to tested entire car controller 18 by tested gear shifting actuating mechanism 7, and tested entire car controller 18 provides analog electrical for tested gear shifting actuating mechanism 7, controls the gear shifting action of tested gear shifting actuating mechanism 7 simultaneously; High tension distribution system 16 feeds back corresponding collection signal to tested entire car controller 18, and tested entire car controller 18 controls corresponding high-voltage DC contactor and lv contactor opening and closing; Tested entire car controller 18 is by tested electric machine controller 11 temperature measured by tested electric machine controller temperature sensor 72 and tested motor temperature sensor 71 and controlled cut-offfing of tested cooling system 10 by the stator temperature value of feedback of measured motor 9; Gas pedal order is inputted tested entire car controller 18 by gas pedal 23, is used for simulating real vehicle gas pedal 23 and orders; There is signal between high-voltage signal acquisition module 12 and tested entire car controller 18 to transmit alternately, high-voltage signal acquisition module 12 provides gathered simulating signal to tested entire car controller 18, and tested entire car controller 18 provides analog electrical to high-voltage signal acquisition module 12; Collection simulating signal is fed back to power analyzer 22 by high-voltage signal acquisition module 12, power analyzer 22 also accept to come from simultaneously torque sensor 4 survey the tach signal that moment of torsion and tested entire car controller 18 feed back, utilize these collection signals to carry out power producing characteristics, coupling etc. analyze by measured motor 9, tested electric machine controller 11, wheel box 8.Measurement of power control module 17 and being connected by CAN between tested entire car controller 18 with host computer (PC) 21, simultaneously also have signal to transmit alternately, host computer (PC) 21 by PLC and Labview programming realization to the control of measurement of power control module 17 and tested entire car controller 18, data acquisition, preservation, record.Signal transmission can be realized between power analyzer 22 and host computer (PC) 21.
In the electric automobile multifunctional performance test-bed of the embodiment of the present invention, stand supporting construction preferred structure as shown in Figure 3, comprise base 49, base 49 is supported by liftable lip block 50, and base 49 is provided with dynamometer motor support section and tested motor support; Wherein
Dynamometer motor support section comprises bracing frame and first and supports seam 24, be slidably connected by slide block 51 and base 49 bottom bracing frame, bracing frame is for supporting the dynamometer motor 1, speed-increasing gear 2, first ring flange 31, torque sensor 4, second ring flange 32, bearing seat 34, three-flange dish 35 and the immunity shaft coupling 5 that from left to right connect successively, the left bottom of dynamometer motor 1 supports seam 24 by first and is fixed on bracing frame, dynamometer motor support section outside is provided with protective cover, only exposes the right output port of immunity shaft coupling;
Tested motor support is arranged on the right of dynamometer motor support section, and comprise lifting back-up block assembly 41 and second and support seam 40, be all slidably connected by slide block 51 and base 49, glide direction is consistent with bracing frame.
In the present embodiment, preferential, bracing frame comprises support 30, upper gusset 33, second line of a couplet fishplate bar 44, flute profile riser 45, riser 47 and gusset 46, riser 47 is fixed on base 49 by bolt and slide block 51, gusset 46 is bolted on riser 47, and the first support seam 24 and support 30 are all bolted on gusset 46; Three pieces of identical flute profile risers 45 are fixed on base 49 by bolt and slide block 51, and second line of a couplet fishplate bar 44 is bolted on flute profile riser 45, and upper gusset 33 is connected with second line of a couplet fishplate bar 44 by bolt; Dynamometer motor 1 and speed-increasing gear 2 are integrated by the first connecting end surface 28 and the second connecting end surface 29, speed-increasing gear 2 output shaft end is connected with torque sensor 4 by the first ring flange 31, torque sensor 4 other end is connected with bearing seat 34 by the second ring flange 32, is connected between bearing seat 34 and immunity shaft coupling 5 by three-flange dish 35; Immunity shaft coupling 5 other end is connected with by wheel box 8; Wheel box 8 and being integrated by the 3rd connecting end surface 37 and the 4th connecting end surface 38 by measured motor 9; It is fixing and support that dynamometer motor 1 afterbody supports seam 24 by first, and speed-increasing gear 2 both sides are fixing and support by support 30, ensure that both dynamometer motor 1 and speed-increasing gear 2 install firm; Torque sensor 4 and bearing seat 34 are all bolted on gusset 33; Surrounding is covered by the first protective cover lower cover 25 by whole dynamometer motor support section, coordinate with the first protective cover upper cover 27 above, whole dynamometer motor support section and dynamometer motor etc. are covered on the inside, only immunity shaft coupling 5 other end is exposed, improve the security performance of stand, first protective cover lower cover 25 and the first protective cover upper cover 27 periphery all have heat abstractor, as heat radiator and louvre.
In the present embodiment, preferential, wheel box 8 both sides are fixed on lifting back-up block assembly 41 by fixing slide block 66; Supported seam 40 by measured motor 9 afterbody by second fix and support, second supports seam 40 is fixed on above base plate 48 by slide block 51.The gear shifting actuating mechanism 3 of speed-increasing gear 2 is integrated in speed-increasing gear 2 upper end, and the gear shifting actuating mechanism of wheel box 8 is integrated in variator 2 upper end.Both sides are covered by the second protective cover lower cover 42 by immunity shaft coupling 5 coupling part by system under test (SUT) and test macro, coordinate above, improve the security performance of stand with the second protective cover upper cover 36.
In the present embodiment, described base 49 as shown in Figure 5, it is a rectangular box be made up of base plate 48, backing plate 53, cross-lining 54 and vertical lining 52, wherein backing plate 53 is connected with described lip block 50, vertical lining 52 has intervisibility hole 43, base plate 48 is provided with the fluting 55 that cross section is " convex " shape, and fluting 55 mates with described slide block 51 (as shown in Figure 4).In the present embodiment, vertical lining 52 and cross-lining 54 are fixed by welding in base plate 48 surrounding, and vertical lining 52 has intervisibility hole 43 at installation lip block 50 place, for adjusting the height of lip block 50, and the level of warranty test jack horse integral; Backing plate 53 is fixed by welding in below vertical lining 52 and cross-lining 54, and backing plate 53 has circular port at installation lip block 50 place; Base plate 48 has the fluting 55 of equally spaced " convex " shape, slide block 51 is arranged in fluting 55, and therefore by selecting different flutings 55 to change lateral separation, axial distance is directly adjusted by the installation site of slide block 51, adjustable axial distance is continuous variable, and adjustable extent is larger; Base plate 48 and fluting 55 scribble lubricating oil, makes to move when installing efficient and convenient.
In the present embodiment, as shown in Figure 6 and Figure 7, described lifting back-up block assembly is made up of upper retainer plate 56, screw rod 57, support slipper 58, left side wall 59, lower retainer plate 60, sole piece 61, upper cover 63, right side wall 64, support column 65 lifting back-up block assembly 41.Wherein sole piece 61, left side wall 59, right side wall 64 and upper cover 63 form a frame-shaped construction; Lower retainer plate 60 is fixed on sole piece 61, and upper retainer plate 56 is fixed on upper cover 63, and screw rod 57 two ends are respectively by upper and lower retainer plate 56,60 spacing, and screw rod 57 top has one section to be exposed at outside upper cover 63 outward and is fixed with setting nut 62; Support slipper 58 to be enclosed within screw rod 57 and to be connected with screw rod 57 by screw thread, fixing slide block 66 is fixed by bolt and support slipper 58, support column 65 is arranged between fixing slide block 66 and support slipper 58, support column 65 two ends are separately fixed on sole piece 61 and upper cover 63, the through hole being provided with the variable diameters for fixing unit under test of support slipper 58 and fixing slide block 66 correspondence, for being connected with tested parts; Sole piece 61 is slidably connected by slide block 51 and base plate 48.
When being arranged on base plate 48 by lifting back-up block assembly, first slide block 51 drives sole piece 61 to slide.Preferably, the long through-hole vertical with the fluting 55 of " convex " shape can also be set on sole piece 51, lifting back-up block assembly horizontal and vertical both direction can be slided, when sliding into fixed position, adopt bolt to be fixed.
During use, turn setting nut 62, screw rod 57 is rotated, thus drive support slipper 58 to move up and down, the fixing slide block 66 be connected with support slipper 58 also moves up and down, finally make tested wheel box 8 also move up and down, the adjustment height of support slipper 58 is equal with the tapping length of screw rod 57, and its adjustment height is larger.Support column 65 is arranged between support slipper 58 and fixing slide block 66, support slipper 58 and fixing slide block 66 can be made all the time towards fixing side, and can not rotate along with screw rod 57.
As shown in Figure 8, the test philosophy figure schematic diagram when electric automobile multifunctional performance test-bed of the embodiment of the present invention carries out Work condition analogue.This test philosophy figure is mainly used in simulating the load of real-time road surface, the serviceability situation of test power system of electric automobile under different operating mode and checking integrated vehicle control tactics, can come drive simulating person's actual road surface driving, electric automobile power system state under state of starting operating by gas pedal 23 simultaneously.Dynamometer motor controller 19 input direct-current electric current measured by dynamometer motor controller current sensor 75, test value fed back to measurement of power control module 17; Dynamometer motor controller temperature sensor 67 and dynamometer motor temperature sensor 68 measure dynamometer motor controller 19 and dynamometer motor 1 stator temperature respectively, and the analog quantity of test is fed back to measurement of power control module 17; Speed-increasing gear speed probe 69 and dynamometer motor speed probe 74 measure speed-increasing gear 2 axle head output speed and dynamometer motor 1 rotor speed respectively, and test simulation amount is fed back to measurement of power control module 17, real-time gear is fed back to measurement of power control module 17 than 78 by test gear shifting actuating mechanism 3, now measurement of power control module 17 can realize controlling the gearshift of test gear shifting actuating mechanism 3, the transforming gear of speed-increasing gear 2 of also can manually having shifted gears in process of the test; Moment of resistance analog module 76 and speed of a motor vehicle converting unit 77 are arranged in measurement of power control module 17, implanted and call by host computer (PC) 21; Speed of a motor vehicle converting unit 77 is single-valued functions of speed-increasing gear 2 axle head output speed, moment of resistance analog module 76 be gear than 78, gear than 79, the function of the real-time speed of a motor vehicle, whether torque sensor 4 reaches moment of resistance analog module 76 demand moment for feeding back speed-increasing gear 2 axle head output torque, realizes inner torque closed-loop control.Rotating speed sensor for gearbox 70 and tested motor speed sensor 73 measure wheel box 8 axle head rotating speed and respectively by measured motor 9 rotor speed, and feed back to tested entire car controller 18, real-time gear ratio is fed back to tested entire car controller 18 by tested gear shifting actuating mechanism 7, and tested entire car controller 18 now can be used for verifying the self shifter of wheel box 8 in Shifting or test process; Tested motor temperature sensor 71 and tested electric machine controller temperature sensor 72 are measured respectively by measured motor 9 stator temperature and tested electric machine controller 11 temperature, and its value is fed back to tested entire car controller 18; The signal that power analyzer 22 utilizes high-voltage signal acquisition module 12 to gather, torque sensor 4 collection signal, tach signal, be used for data in analytical test process; Host computer (PC) 21 can by implanting corresponding floor data, stand is run according to set operating mode, serviceability situation, the matching state that real vehicle runs lower power system of electric automobile all parts is simulated, the checking that also can come integrated vehicle control tactics by host computer (PC) 21 implantation integrated vehicle control tactics with this.In this test model, the speed closed loop being realized test macro and system under test (SUT) by moment of resistance analog module 76 is controlled, and both is coupled by the funtcional relationship of rotating speed.
As shown in Figure 9, a kind of test philosophy schematic diagram when electric automobile multifunctional performance test-bed of the embodiment of the present invention carries out performance test.Under this test mode, under dynamometer motor 1 is in torque control model, in test, be in generating state always; Under being in rotating speed control mode by measured motor 9, in process of the test, be in driving condition always.This test philosophy is mainly used in test separate unit drive motor performance test (as: running-in test, no-load test, temperature rise test, MAP testing experiment, most high workload measurement of rotating speed, overspeed test, stable state and Dynamic performance examination under rotating speed control mode, endurancing), the efficiency test of electric machine controller and output characteristics test, match test between electric machine controller and motor, the checking of automatic transmission shift control strategy, power system of electric automobile coupling and performance verification test etc.Test macro part by torque sensor 4 by real-time speed-increasing gear 2 axle head torque feedback to measurement of power control module 17, realize moment of torsion closed-loop control, make output torque equal with the given target torque of host computer (PC) 21; Test gear shifting actuating mechanism 3 both can realize self shifter by measurement of power control module 17, also can adopt manual shift.Tested system will be fed back to tested entire car controller 18 by measured motor 9 rotor speed by tested motor speed sensor 73, realize speed closed loop and will control, make output speed equal with the given rotating speed of target of host computer (PC) 21; Tested gear shifting actuating mechanism 7 realizes self shifter by tested entire car controller 18, can be used for preliminary identification gearshift control strategy.In test, each collecting sensor signal, test and data acquisition, analysis, preservation, all identical with shown in Fig. 8.
As shown in Figure 10, the another kind of test philosophy schematic diagram when electric automobile multifunctional performance test-bed of the embodiment of the present invention carries out performance test.Under this test mode, under dynamometer motor 1 is in rotating speed control mode, in test, be in driving condition always; Under being in torque control model by measured motor 9, in process of the test, be in generating state always.This test philosophy is mainly used in stable state and Dynamic performance examination under the braking energy feedback test of test separate unit drive motor and torque mode, while also can Test driver motor under this two states, the overall performance of power system of electric automobile.Real-time speed-increasing gear 2 axle head torque feedback is given tested entire car controller 18 by torque sensor 4 by tested components of system as directed, realizes moment of torsion closed-loop control, makes output torque equal with the given target torque of host computer (PC) 21; Gear shifting actuating mechanism 7 realizes self shifter by tested entire car controller 18.Dynamometer motor 1 rotor speed is fed back to measurement of power control module 17 by dynamometer motor speed probe 74 by test macro, realizes speed closed loop and controls, make output speed equal with the given rotating speed of target of host computer (PC) 21; Gear shifting actuating mechanism 3 both can realize self shifter by measurement of power control module 17, also can manually shift gears.In test, each collecting sensor signal, test and data acquisition, analysis, preservation, all identical with shown in Fig. 8.
As shown in figure 11, the electric automobile multifunctional performance test-bed Booting sequence figure of the embodiment of the present invention.When stand starts, first go up high-tension electricity, upper low tension.Enter detection of electrical leakage state afterwards, as leakage current is greater than setting, then start end, force disconnect high-tension electricity; As leakage current is less than setting, enter the preliminary filling stage.When preliminary filling, as main contactor two ends pressure reduction is greater than 20V, then failure during preliminary filling, continues preliminary filling; As main contactor two ends pressure reduction is less than 20V, then preliminary filling completes, and each loop high-voltage electrically connects, and testboard bay enters standby running status.
Integration electric automobile of the present invention is to all basic performance tests completed required for power system, can to the parts of power system (by measured motor, tested electric machine controller, wheel box, tested entire car controller) carry out independent performance test, also performance test can be carried out to whole power system assembly, comprise the running-in test of separate unit drive motor herein, no-load test, temperature rise test, MAP testing experiment, most high workload measurement of rotating speed, overspeed test, Way of Regenerating Energy Feedback is tested, dynamic performance testing is tested, steady-state behaviour testing experiment, endurancing, the efficiency test of electric machine controller, output characteristics is tested, performance matching test between electric machine controller and motor, the gearshift control strategy demonstration test of automatic transmission, the gearshift efficiency of automatic transmission, temperature rise, noise testing is tested, power system assembly match test, matching efficiency test between efficiency test and all parts.Except basic performance tests, this test-bed also implants road surface load simulation module by host computer in ECU, real time modelling vehicle road running resistance square, for verifying vehicle runnability situation of power system assembly under control strategy and different operating mode under different operating mode.This test-bed test macro carry speed-increasing gear (its concrete system architecture and performance and patent CN200910061844.6 similar, difference is that patent CN200910061844.6 is directly used in the power system of vehicle, and native system is test to use) increase the rotating speed of tested object and the accommodation of torque; Test-bed line traffic control and CAN control two kinds of modes and deposit, augmentation adaptability and add reliability; Carry inverter, its instant discharge power is comparatively large, makes stand can long-play; The integral installation of test-bed is easy, lower to site requirements, and the installation of unit under test is also convenient and simple.
Above embodiment is only for illustration of Computation schema of the present invention and feature, and its object is to enable those skilled in the art understand content of the present invention and implement according to this, protection scope of the present invention is not limited to above-described embodiment.So all equivalent variations of doing according to disclosed principle, mentality of designing or modification, all within protection scope of the present invention.
Claims (6)
1. an electric automobile multifunctional performance test-bed, is characterized in that: it comprises test macro, system under test (SUT), stand supporting construction, control system, data acquisition system (DAS) and electrical system; Wherein
Test macro comprises the dynamometer motor, speed-increasing gear, the first ring flange, torque sensor, the second ring flange, bearing seat, three-flange dish and the immunity shaft coupling that connect successively, speed-increasing gear is integrated with test gear-shifting actuating mechanism; System under test (SUT) comprises interconnective wheel box and by measured motor, wheel box is integrated with tested gear-shifting actuating mechanism; Wheel box is connected with immunity shaft coupling;
Stand supporting construction comprises base, and base is supported by liftable lip block, and base is provided with test macro support section and system under test (SUT) support section; Wherein test macro support section comprises bracing frame and the first support seam, be connected with base sliding by slide block bottom bracing frame, bracing frame is for supporting the dynamometer motor, speed-increasing gear, the first ring flange, torque sensor, the second ring flange, bearing seat, three-flange dish and the immunity shaft coupling that from left to right connect successively, the left bottom of dynamometer motor supports seam by first and is fixed on bracing frame, test macro support section outside is provided with protective cover, only exposes the right output port of immunity shaft coupling; System under test (SUT) support section is arranged on the right of test macro support section, and comprise lifting back-up block assembly and second and support seam, be all connected with base sliding by slide block, glide direction is consistent with bracing frame;
Control system comprises dynamometer motor controller, measurement of power control module, tested electric machine controller and tested entire car controller, wherein measurement of power control module controls dynamometer motor by dynamometer motor controller, tested entire car controller by tested motor controller controls by measured motor, measurement of power control module also tests gear-shifting actuating mechanism for controlling, and tested entire car controller is also for controlling tested gear-shifting actuating mechanism;
Data acquisition system (DAS) is used for all parameters needed for acquisition test and feeds back to corresponding part in control system;
Electrical system is used for powering to above system, comprises low-voltage power supply circuit and high-voltage power supply circuit.
2. electric automobile multifunctional performance test-bed according to claim 1, is characterized in that: it also comprises host computer, is connected respectively with measurement of power control module and tested entire car controller.
3. electric automobile multifunctional performance test-bed according to claim 1, it is characterized in that: it also comprises 2 cover cooling systems, 1 cover is used for the cooling of test macro, is controlled by measurement of power control module, another 1 cover is used for the cooling of system under test (SUT), by tested vehicle control unit controls.
4. electric automobile multifunctional performance test-bed according to claim 1, it is characterized in that: described data acquisition system (DAS) also comprises power analyzer, for undertaken by measured motor, tested electric machine controller and wheel box power producing characteristics, coupling analyze.
5. electric automobile multifunctional performance test-bed according to claim 1, it is characterized in that: described base is a rectangular box be made up of base plate, backing plate, cross-lining and vertical lining, wherein backing plate is connected with described lip block, vertical being lining with has intervisibility hole, base plate is provided with the fluting that cross section is " convex " shape, and fluting mates with described slide block.
6. electric automobile multifunctional performance test-bed according to claim 1, is characterized in that: described lifting back-up block assembly is made up of upper retainer plate, screw rod, support slipper, left side wall, lower retainer plate, sole piece, upper cover, right side wall and support column;
Wherein sole piece, left side wall, right side wall and upper cover form a frame-shaped construction; Lower retainer plate is fixed on sole piece, and upper retainer plate is fixed on and covers, and screw rod two ends are spacing respectively by upper and lower retainer plate, and screw tip has one section to be exposed at outside upper cover outward and is fixed with setting nut; Support slipper to be enclosed within screw rod and to be connected with screw rod by screw thread, fixing slide block is fixed by bolt and support slipper, support column is arranged between fixing slide block and support slipper, support column two ends be separately fixed at sole piece and on cover, support slipper and the through hole being provided with the variable diameters for fixing unit under test corresponding to fixing slide block, for being connected with tested parts; Sole piece is slidably connected by slide block and base plate.
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