CN107219079A - A kind of commercial car bracket assembly for battery Multi-axial Loading test-bed and endurance test method - Google Patents

A kind of commercial car bracket assembly for battery Multi-axial Loading test-bed and endurance test method Download PDF

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Publication number
CN107219079A
CN107219079A CN201710269931.5A CN201710269931A CN107219079A CN 107219079 A CN107219079 A CN 107219079A CN 201710269931 A CN201710269931 A CN 201710269931A CN 107219079 A CN107219079 A CN 107219079A
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CN
China
Prior art keywords
loading
battery
bracket assembly
test
longitudinal
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Pending
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CN201710269931.5A
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Chinese (zh)
Inventor
赵强
杨立峰
徐佳彬
廖亮亮
李�赫
董伟
周启家
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FAW Group Corp
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FAW Group Corp
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Priority to CN201710269931.5A priority Critical patent/CN107219079A/en
Publication of CN107219079A publication Critical patent/CN107219079A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/02Vibration-testing by means of a shake table
    • G01M7/022Vibration control arrangements, e.g. for generating random vibrations

Abstract

The invention discloses a kind of commercial car bracket assembly for battery Multi-axial Loading test-bed and endurance test method, belong to automobile product technical field of performance test, including loading device, simulated frame and jockey;The jockey is fixedly connected with simulated frame, and the loading device and bracket assembly for battery are connected and composed Multi-axial Loading system by the simulated frame and jockey;Wherein, the loading device includes the first loading device (3) and the second loading device (3), by the coordinated movement of various economic factors of six loading devices, realizes the motion of bracket assembly for battery space six degree of freedom.Bracket assembly for battery endurance test method of the present invention, road-load lotus spectrum signal is strengthened as target using test site, by way of simulative iteration, can in laboratory under true reappearance bracket assembly for battery real vehicle operating mode space six degree of freedom vibrational state and stress, and then realize and the durability of fuel tank hanger assembly examined and experiment certification.

Description

A kind of commercial car bracket assembly for battery Multi-axial Loading test-bed and long duration test Method
Technical field
The invention belongs to automobile product technical field of performance test, more particularly to a kind of commercial car bracket assembly for battery are many Axle load test stand and endurance test method.
Background technology
Battery is one of very important parts on automobile, it on automobile with parallel operation of generator, and set to electricity consumption Available electricity, battery should be securely fixed on automobile longitudinal girder, it is to avoid battery branch occur during automobile starting, traveling Situations such as frame loosens, absolved.
Bracket assembly for battery carries accumulator quality, once coming off for battery will be directly resulted in by occurring fracture, For the poor engineering car of track situation, road shocks are big, and the working environment of bracket assembly for battery is more Plus it is severe, therefore endurance quality examination is carried out to bracket assembly for battery in product development process, it is met making for vehicle With requiring very necessary.
So far, domestic automobile industry is directed to bracket assembly for battery long duration test wire examination method, mainly in vehicle It is monitored, wastes time and energy during actual road test and proving ground test, and poor repeatability, influence product development process;Platform Frame test method can be largely overcoming the defect of vehicle road test method, but at present still not used for test electric power storage The test-bed of pond bracket assembly endurance quality.Thus, it is desirable to have a kind of technical scheme can provide a kind of test battery branch The test-bed and test method of frame assembly endurance quality.
The content of the invention
In order to overcome shortcoming present in prior art, it is an object of the invention to provide a kind of commercial car battery stand Assembly Multi-axial Loading test-bed and endurance test method are used for the endurance quality for testing bracket assembly for battery.
The present invention is achieved through the following technical solutions:
A kind of commercial car bracket assembly for battery Multi-axial Loading test-bed, including loading device, simulated frame 7 and connection Fixture 8;The jockey 8 is fixedly connected with simulated frame 7, the simulated frame and jockey by the loading device and Bracket assembly for battery connects and composes Multi-axial Loading system;
Wherein, loading device includes the first loading device and the second loading device;
First loading device include be fixed on iron floor longitudinal actuator bearing 1, be fixed on the bearing Longitudinal actuator 11, deflecting tripod 12 and longitudinal direction loading guide rod 13;The fixing end of longitudinal actuator 11 and longitudinal actuator The bottom of bearing 1 is hinged, and longitudinal direction loading guide rod 13 is connected with the longitudinal terminal surface of simulated frame 7, and two of deflecting tripod 12 are certainly It is hinged respectively with longitudinal actuator pistons rod end 18 and longitudinal direction loading guide rod guide end 14 by holding;
Second loading device includes being fixed on vertical actuator base 41 on iron floor, vertical actuator 4, vertical Actuator pistons rod end 43 and vertical actuator fix support 45;Wherein, vertical actuator 4 passes through vertical actuator fixing end ten thousand It is connected to bearings 42 with vertical actuator base 41, vertical actuator pistons rod end 43 passes through vertical actuator pistons rod end ten thousand It is connected to bearings 44 with jockey 8;
The number of the first described loading device is 3, is separately positioned on the level of simulated frame 7 longitudinally loading end face, water Flat front side on rear side of loading end face and level to loading end face;The number of the second described loading device is 3, is separately positioned on Longitudinally loading end face lower section, rear side, to loading end face lower section and rear side to loading end surface symmetric position, pass through the level of simulated frame 7 The coordinated movement of various economic factors of six loading devices, can reproduce the vibration shape of bracket assembly for battery space six degree of freedom in laboratory State.
Further, the longitudinal direction loading guide rod 13 passes through longitudinal direction loading pilot pressure end universal joint bearing 16 and connection clip Tool 8 is connected with simulated frame 7.
Further, the deflecting tripod 12 passes through the upper of deflecting tripod support end 17 and longitudinal actuator bearing 1 End is fixedly connected.
Further, first loading device also includes auxiliary support bar 19, for supporting longitudinal direction loading guide rod 13.
Further, the second described loading device also includes support bearing pin 46, and support bearing pin 46 is inserted into vertical start In the circular hole of the vertical fixed support 45 of device, for ensureing that vertical actuator is in erectility, and built in the test-bed After the completion of extract support bearing pin 46.
Further, described simulated frame 7 is welded by channel-section steel, middle to weld 2 simulated frame branch by I-steel Beam 71 is supportted, corner's welding analog vehicle frame supporting plate 72 improves corner's support strength.
Using above-mentioned Multi-axial Loading long duration test stand, battery stand endurance test method is set up, is comprised the following steps that:
Step S1:Bracket assembly for battery and the assembly is gathered with the vibration on vehicle frame link position nearby vehicle frame to accelerate Spend signal;
Step S2:Determine bracket assembly for battery Multi-axial Loading bench test simulative iteration control passage;
Step S3:Stand drive signal is obtained by bench simulation iteration and carries out long duration test.
Step S1 includes:
Step S11:With reference to the Multi-axial Loading test-bed simulated frame and loading device link position, with simulated frame Lateral central shaft is that bracket assembly for battery connects center, while on the basis of bracket assembly for battery connection center, in electric power storage Pond bracket assembly bottom edge and the assembly on real vehicle vehicle frame link position nearby vehicle frame with arranging three-dimensional acceleration sensing at 7 Device;Position correspond to respectively simulated frame level longitudinally loading end face both sides corner location, front side to loading end face and its right Title face position, rear side are to loading end face and its plane of symmetry position and bracket assembly for battery bottom plate free end marginal position;
Step S12:The sensor is connected with data collecting system;
Step S13:Vehicle is driven into test site reinforcing road;
Step S14:Gathered using the data collecting system under real vehicle operating mode described in S11 on vehicle frame and battery branch The vibration acceleration signal of acceleration transducer position on frame assembly;
Step S15:Preserve the vibration acceleration signal of the test point;
Step S2 includes:
Step S21:Master data processing is carried out to the measuring point vibration acceleration signal collected in S1;Wherein, base Notebook data processing includes passage and extracts, remove flash removed, remove trend term, filtering and road surface signal subsection;
Step S22:Using bracket assembly for battery Multi-axial Loading long duration test stand of the present invention, in simulated frame and Installed on bracket assembly for battery and identical acceleration transducer in S11 steps;
Step S23:The longitudinal loading end left side of face corner location acceleration transducer longitudinal direction of simulated frame level is chosen respectively And it is logical to the loading lateral data of endface position acceleration transducer on rear side of vertical data channel (X-axis, Z-direction), simulated frame Road (Y direction) and rear side are to the loading vertical data channel of end surface symmetric face position acceleration transducer (Z-direction), battery Totally 7 passages change the data channel in hanging tri- directions of end margin acceleration transducer X, Y, Z of bracket assembly bottom plate as simulation For control passage.
Step S3 includes:
Step S31:It is soft in RFC remote controls using battery stand Multi-axial Loading long duration test stand of the present invention Remote control platform is set up in part Setup modules, and completes system parameter setting;
Step S32:Amplitude, the power spectrum of white noise signal are set in RFC remote control software TF Measure modules Parameter of curve generates white noise signal, and drives stand using white noise signal, while being passed by the acceleration arranged in S22 Sensor obtains stand response signal, and then asks for the battery stand Multi-axial Loading pilot system transmission function;
Step S33:The inverse function for the ssystem transfer function for asking for obtaining in S32 by RFC softwares, and it is soft in RFC Stand drive signal is obtained by simulative iteration method in part Iteration modules, until simulative iteration error requirements are less than 20% terminates.
Bracket assembly for battery Multi-axial Loading test-bed of the present invention and endurance test method, can be in laboratory The vibrational state and stress of space six degree of freedom under interior true reappearance bracket assembly for battery real vehicle operating mode, and then realization pair The endurance quality examination and experiment certification of bracket assembly for battery.
1. commercial car bracket assembly for battery Multi-axial Loading test-bed of the present invention, is added 6 by simulated frame Carry and put connection, be successfully realized commercial car bracket assembly for battery Multi-axial Loading function, and 6 loading devices can be passed through The coordinated movement of various economic factors reproduces the actual vibration state of commercial car bracket assembly for battery.
2. commercial car bracket assembly for battery Multi-axial Loading endurance test method of the present invention, possesses drive signal steady It is fixed, controllable, it is reproducible, do not influenceed by factors such as personnel, weather and environment, the advantages of result of the test comparativity is strong, and Vibrational state and stress that can be in laboratory under true reappearance bracket assembly for battery real vehicle operating mode, and then realization pair The endurance quality examination and experiment certification of bracket assembly for battery.
3. commercial car bracket assembly for battery Multi-axial Loading endurance test method of the present invention, can be fast and effectively Durability of the bracket assembly for battery in product development stage is verified, early stage, sudden and violent leakage bracket assembly for battery was in product design, system Make, technique, material, in terms of assembling the problem of exist, shorten product development cycle, accelerate product development process, effectively Solving vehicle road test and proving ground test wastes time and energy, and the defect of poor repeatability.
Brief description of the drawings
Fig. 1 is the structural representation of Multi-axial Loading test-bed of the embodiment of the present invention;
Fig. 2 is the bracket assembly for battery data sampling sensor point position schematic diagram of the embodiment of the present invention;
Fig. 3 illustrates for the bracket assembly for battery Multi-axial Loading test-bed sensor arrangement position of the embodiment of the present invention Figure;
In figure:1st, longitudinal actuator bearing;11st, longitudinal actuator;12nd, deflecting tripod;13rd, longitudinal direction loading guide rod;14、 Longitudinal direction loading guide rod guide end;15th, longitudinal direction loading pilot pressure end;16th, longitudinal direction loading pilot pressure end universal joint bearing;17、 Deflecting tripod support end;18th, longitudinal actuator pistons rod end;19th, auxiliary support bar;2nd, the first lateral actuator bearing;3、 Second lateral actuator bearing;4th, vertical actuator;41st, vertical actuator base;42nd, vertical actuator fixing end cardan axis Hold;43rd, vertical actuator pistons rod end;44th, vertical actuator pistons rod end universal joint bearing;45th, vertical actuator is vertical solid Fixed support;46th, bearing pin is supported;5th, the second loading device II;7th, simulated frame;71st, simulated frame support beam;72nd, simulated frame Supporting plate;8th, jockey;9th, bracket assembly for battery.
Embodiment
Detailed retouch is carried out to bracket assembly for battery Multi-axial Loading test-bed of the present invention below in conjunction with accompanying drawing State, so that those skilled in the art can be more clearly understood from technical scheme, but and be not so limited the present invention Protection domain.
Embodiment 1
As shown in figure 1, the invention provides a kind of commercial car bracket assembly for battery Multi-axial Loading test-bed, including add Carry put, simulated frame 7 and jockey 8;The jockey 8 is fixedly connected with simulated frame 7, the simulated frame and company The loading device and bracket assembly for battery are connected and composed Multi-axial Loading system by welding fixture;Wherein, loading device includes the One loading device and the second loading device;
First loading device include be fixed on iron floor longitudinal actuator bearing 1, be fixed on the bearing Longitudinal actuator 11, deflecting tripod 12 and longitudinal direction loading guide rod 13;The fixing end of longitudinal actuator 11 and longitudinal actuator The bottom of bearing 1 is hinged, and longitudinal direction loading guide rod 13 is connected with the longitudinal terminal surface of simulated frame 7, and two of deflecting tripod 12 are certainly It is hinged respectively with longitudinal actuator pistons rod end 18 and longitudinal direction loading guide rod guide end 14 by holding;
Second loading device includes being fixed on vertical actuator base 41 on iron floor, vertical actuator 4, vertical Actuator pistons rod end 43 and vertical actuator fix support 45;Wherein, vertical actuator 4 passes through vertical actuator fixing end ten thousand It is connected to bearings 42 with vertical actuator base 41, vertical actuator pistons rod end 43 passes through vertical actuator pistons rod end ten thousand It is connected to bearings 44 with jockey 8;
The number of the first described loading device is 3, is separately positioned on the level of simulated frame 7 longitudinally loading end face, water Flat front side on rear side of loading end face and level to loading end face;The number of the second described loading device is 3, is separately positioned on Longitudinally loading end face lower section, rear side, to loading end face lower section and rear side to loading end surface symmetric position, pass through the level of simulated frame 7 The coordinated movement of various economic factors of six loading devices, can reproduce the vibration shape of bracket assembly for battery space six degree of freedom in laboratory State.
Further, the longitudinal direction loading guide rod 13 passes through longitudinal direction loading pilot pressure end universal joint bearing 16 and connection clip Tool 8 is connected with simulated frame 7.
Further, the deflecting tripod 12 passes through the upper of deflecting tripod support end 17 and longitudinal actuator bearing 1 End is fixedly connected.
Further, first loading device also includes auxiliary support bar 19, for supporting longitudinal direction loading guide rod 13.
Further, the second described loading device also includes support bearing pin 46, and support bearing pin 46 is inserted into vertical start In the circular hole of the vertical fixed support 45 of device, for ensureing that vertical actuator is in erectility, and built in the test-bed After the completion of extract support bearing pin 46.
Further, described simulated frame 7 is welded by channel-section steel, middle to weld 2 simulated frame branch by I-steel Beam 71 is supportted, corner's welding analog vehicle frame supporting plate 72 improves corner's support strength.
Using above-mentioned Multi-axial Loading long duration test stand, battery stand endurance test method is set up, is comprised the following steps that:
Step S1:Bracket assembly for battery and the assembly is gathered with the vibration on vehicle frame link position nearby vehicle frame to accelerate Spend signal;
Step S11:As shown in Fig. 2 with reference to the Multi-axial Loading test-bed simulated frame and loading device link position, Center is connected by bracket assembly for battery of the lateral central shaft of simulated frame, while connecting center as base using bracket assembly for battery Standard, three-dimensional at 7 is being arranged near bracket assembly for battery bottom edge and the assembly and real vehicle vehicle frame link position on vehicle frame Acceleration transducer;Position correspond to respectively simulated frame level longitudinally loading end face both sides corner location, front side to loading End face and its plane of symmetry position, rear side are to loading end face and its plane of symmetry position and the hanging end margin of bracket assembly for battery bottom plate Position;
Step S12:The sensor is connected with data collecting system;
Step S13:Vehicle is driven into test site reinforcing road;
Step S14:Gathered using the data collecting system under real vehicle operating mode described in S11 on vehicle frame and battery branch The vibration acceleration signal of acceleration transducer position on frame assembly;
Step S15:Preserve the vibration acceleration signal of the test point;
Step S2:Determine bracket assembly for battery Multi-axial Loading bench test simulative iteration control passage;
Step S21:Master data processing is carried out to the measuring point vibration acceleration signal collected in S1;Wherein, base Notebook data processing includes passage and extracts, remove flash removed, remove trend term, filtering and road surface signal subsection;
Step S22:As shown in figure 3, using bracket assembly for battery Multi-axial Loading long duration test stand of the present invention, Installed on simulated frame and bracket assembly for battery and identical acceleration transducer in S11 steps;
Step S23:The longitudinal acceleration transducer of loading end left side of face corner location measuring point 1 of simulated frame level is chosen respectively To loading endface position measuring point 5 acceleration transducer side on rear side of longitudinal and vertical data channel (X-axis, Z-direction), simulated frame To data channel (Y direction) and rear side to the loading vertical data channel (Z of acceleration transducer of end surface symmetric face position measuring point 6 Direction of principal axis), the data in tri- directions of acceleration transducer X, Y, Z of bracket assembly for battery bottom plate free end marginal position measuring point 7 Totally 7 passages are used as simulative iteration control passage to passage.
Step S3:Stand drive signal is obtained by bench simulation iteration and carries out long duration test.
Step S31:It is soft in RFC remote controls using battery stand Multi-axial Loading long duration test stand of the present invention Remote control platform is set up in part Setup modules, and completes system parameter setting;
Step S32:Amplitude, the power spectrum of white noise signal are set in RFC remote control software TF Measure modules Parameter of curve generates white noise signal, and drives stand using white noise signal, while being passed by the acceleration arranged in S22 Sensor obtains stand response signal, and then asks for the battery stand Multi-axial Loading pilot system transmission function;
Step S33:The inverse function for the ssystem transfer function for asking for obtaining in S32 by RFC softwares, and it is soft in RFC Stand drive signal is obtained by simulative iteration method in part Iteration modules, until simulative iteration error requirements are less than 20% terminates.
It is used as preferred, endurance test method shown in the present invention, using the vibration of bracket assembly for battery under real vehicle operating mode Signal obtains stand drive signal as target by simulative iteration, can in laboratory true reappearance battery stand it is total Into the vibrational state and stress of space six degree of freedom under real vehicle operating mode.
It the above is only and the preferred embodiment of the present invention is described, technical scheme is not limited to This, if the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or not improved general The design and technical scheme of the present invention directly applies to other occasions, within protection scope of the present invention.

Claims (10)

1. a kind of commercial car bracket assembly for battery Multi-axial Loading test-bed, it is characterised in that including loading device, simulation car Frame (7) and jockey (8);The jockey (8) is fixedly connected with simulated frame (7), the simulated frame and connection clip The loading device and bracket assembly for battery are connected and composed Multi-axial Loading system by tool;
Wherein, loading device includes the first loading device and the second loading device;
First loading device include be fixed on iron floor longitudinal actuator bearing (1), be fixed on the bearing Longitudinal actuator (11), deflecting tripod (12) and longitudinal direction loading guide rod (13);The fixing end of longitudinal actuator (11) and longitudinal direction The bottom of actuator bearing (1) is hinged, and longitudinal direction loading guide rod (13) is connected with the longitudinal terminal surface of simulated frame (7), deflecting triangle Two free ends of frame (12) are hinged with longitudinal actuator pistons rod end (18) and longitudinal direction loading guide rod guide end (14) respectively;
Second loading device includes being fixed on vertical actuator base (41) on iron floor, vertical actuator (4), vertical Actuator pistons rod end (43) and vertical actuator fix support (45);Wherein, vertical actuator (4) is solid by vertical actuator Fixed end universal joint bearing (42) is connected with vertical actuator base (41), and vertical actuator pistons rod end (43) passes through vertical start Device tailpiece of the piston rod universal joint bearing (44) is connected with jockey (8);
The number of the first described loading device is 3, is separately positioned on simulated frame (7) level longitudinally loading end face, level Front side to loading end face and level on rear side of to loading end face;The number of the second described loading device is 3, is separately positioned on mould Longitudinally loading end face lower section, rear side, to loading end face lower section and rear side to loading end surface symmetric position, pass through plan vehicle frame (7) level The coordinated movement of various economic factors of six loading devices, can reproduce the vibration shape of bracket assembly for battery space six degree of freedom in laboratory State.
2. a kind of commercial car bracket assembly for battery Multi-axial Loading test-bed as claimed in claim 1, it is characterised in that institute State longitudinal direction loading guide rod (13) and pass through longitudinal direction loading pilot pressure end universal joint bearing (16) and jockey (8) and simulated frame (7) connect.
3. a kind of commercial car bracket assembly for battery Multi-axial Loading test-bed as claimed in claim 1, it is characterised in that institute Deflecting tripod (12) is stated to be fixedly connected with the upper end of longitudinal actuator bearing (1) by deflecting tripod support end (17).
4. a kind of commercial car bracket assembly for battery Multi-axial Loading test-bed as claimed in claim 1, it is characterised in that institute Stating the first loading device also includes auxiliary support bar (19), for supporting longitudinal direction loading guide rod (13).
5. a kind of commercial car bracket assembly for battery Multi-axial Loading test-bed as claimed in claim 1, it is characterised in that institute The second loading device stated also includes support bearing pin (46), and support bearing pin (46) is inserted into the vertical fixation of vertical actuator supports (45) in circular hole, for ensureing that vertical actuator is in erectility, and the extraction branch after the completion of the test-bed is built Support bearing pin (46).
6. a kind of commercial car bracket assembly for battery Multi-axial Loading test-bed as claimed in claim 1, it is characterised in that institute The simulated frame (7) stated is welded by channel-section steel, and (2) root simulated frame support beam (71), corner are welded in centre by I-steel Welding analog vehicle frame supporting plate (72), improves corner's support strength.
7. a kind of commercial car bracket assembly for battery endurance test method, it is characterised in that comprise the following steps that:
Step S1:Bracket assembly for battery and the assembly is gathered with the vibration acceleration on vehicle frame link position nearby vehicle frame to believe Number;
Step S2:Determine bracket assembly for battery Multi-axial Loading bench test simulative iteration control passage;
Step S3:Stand drive signal is obtained by bench simulation iteration and carries out long duration test.
8. a kind of commercial car bracket assembly for battery endurance test method as claimed in claim 7, it is characterised in that described Step S1 includes:
Step S11:It is lateral with simulated frame with reference to the Multi-axial Loading test-bed simulated frame and loading device link position Central shaft is that bracket assembly for battery connects center, while on the basis of bracket assembly for battery connection center, in battery branch Frame assembly bottom edge and the assembly on real vehicle vehicle frame link position nearby vehicle frame with arranging three-dimensional acceleration transducer at 7; Position correspond to respectively simulated frame level longitudinally loading end face both sides corner location, front side to loading end face and its plane of symmetry Position, rear side are to loading end face and its plane of symmetry position and bracket assembly for battery bottom plate free end marginal position;
Step S12:The sensor is connected with data collecting system;
Step S13:Vehicle is driven into test site reinforcing road;
Step S14:Gathered using the data collecting system under real vehicle operating mode described in S11 on vehicle frame and battery stand is total Into the vibration acceleration signal of upper acceleration transducer position;
Step S15:Preserve the vibration acceleration signal of the test point.
9. a kind of commercial car bracket assembly for battery endurance test method as claimed in claim 7, it is characterised in that described Step S2 includes:Step S21:Master data processing is carried out to the measuring point vibration acceleration signal collected in S1;Wherein, Master data processing includes passage and extracts, remove flash removed, remove trend term, filtering and road surface signal subsection;
Step S22:Using bracket assembly for battery Multi-axial Loading long duration test stand of the present invention, in simulated frame and electric power storage Installed on the bracket assembly of pond and identical acceleration transducer in S1 steps;
Step S23:It is longitudinal and vertical that the longitudinal loading end left side of face corner location acceleration transducer of simulated frame level is chosen respectively To the loading lateral data channel (Y of endface position acceleration transducer on rear side of to data channel (X-axis, Z-direction), simulated frame Direction of principal axis) and rear side to loading the vertical data channel of end surface symmetric face position acceleration transducer (Z-direction), battery stand Totally 7 passages are used as simulative iteration control to the data channel in hanging tri- directions of end margin acceleration transducer X, Y, Z of assembly bottom plate Passage processed.
10. a kind of commercial car bracket assembly for battery endurance test method as claimed in claim 7, it is characterised in that described Step S3 include:
Step S31:Using battery stand Multi-axial Loading long duration test stand of the present invention, in RFC remote control softwares Remote control platform is set up in Setup modules, and completes system parameter setting;
Step S32:Amplitude, the power spectrum curve of white noise signal are set in RFC remote control software TF Measure modules Parameter generates white noise signal, and drives stand using white noise signal, while passing through the acceleration transducer arranged in S22 Stand response signal is obtained, and then asks for the battery stand Multi-axial Loading pilot system transmission function;
Step S33:The inverse function for the ssystem transfer function for asking for obtaining in S32 by RFC softwares, and in RFC softwares Stand drive signal is obtained by simulative iteration method in Iteration modules, until simulative iteration error requirements are less than 20% Terminate.
CN201710269931.5A 2017-04-24 2017-04-24 A kind of commercial car bracket assembly for battery Multi-axial Loading test-bed and endurance test method Pending CN107219079A (en)

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CN108896244A (en) * 2018-05-10 2018-11-27 北京新能源汽车股份有限公司 A kind of verifying device of power battery leakproofness
CN112014125A (en) * 2019-05-29 2020-12-01 上汽通用汽车有限公司 Power assembly suspension virtual load endurance test device and test method
CN110654570A (en) * 2019-10-16 2020-01-07 山东理工大学 Plant protection unmanned aerial vehicle medical kit and rock performance detection test bench
CN111929069A (en) * 2020-07-24 2020-11-13 东风商用车有限公司 Test bench for simulating working condition of vehicle frame
CN111929069B (en) * 2020-07-24 2021-05-11 东风商用车有限公司 Test bench for simulating working condition of vehicle frame

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