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A technology of electric vehicles and testers, which is applied in the direction of vehicle testing, machine/structural component testing, instruments, etc., and can solve problems such as clumsy instruments, poor intuition, and low efficiency
Active Publication Date: 2006-07-05
BYD CO LTD
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[0002] The road test of an electric vehicle generally includes items such as vehicle speed, rotational speed, acceleration steering angle, voltage, current, angular acceleration and braking. , need to use speedometer, test engine speed, need to use speedometer, test acceleration, need to use accelerometer, test generator output working voltage, current, need to use multimeter, test braking times, need to use digital meter, etc. Instruments, these traditional physical instruments are clumsy, need to use many instruments, are complicated to use, inconvenient to operate, and cannot analyze and display a large amount of data, so they are poor intuition and low in efficiency. At the same time, these instruments and equipment have the disadvantages of being expensive
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[0015] In the embodiment of the present invention, there are 6 sets of sensors, namely the current sensor 1, using the CSB3-100A Hall current sensor; the voltage sensor 2, using the VS series Hall voltage sensor; the feedback current sensor 3, using the CSB3-100A Hall current sensor Sensor; There are three sets of koyo rotary encoders 4, 5, 6, among which: koyo rotary encoder A is used to test the motor speed, koyo rotary encoder B is used to test the number of motor rotations, and koyo rotary encoder C is used to test the rotation speed of the motor Forward and reverse. The data acquisition card 7 adopts NI DAQCard-6024E integrated circuit block; the computer adopts a notebook computer 8, and its central processing unit can be P4-1.7G, the memory is 128 megabytes, the hard disk is 20G, and the display card is Geforce-2. The data acquisition card can be directly inserted into the PCMCIA slot of the laptop.
[0016] Described notebook computer 8 is equipped with testing softwa...
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Abstract
The invention relates to an electric automobile road tester, comprising sensors for sensing physical parameters to be tested and also data collection card and computer, where the sensors connect the converted voltage or current signals to the data collection card, the data collection card connects the A / D converted signal to the computer, and the harddisk of the computer has a virtual apparatus software program calculating and converting the digital input signal into test software modules of interface states of the virtual apparatus. The invention uses the virtual apparatus technique and can analyze and display large number of data on computer, and realizes a function of real-time measuring and dynamically analyzing various parameters of an electric automobile on computer by software programming.
Description
technical field [0001] The invention relates to an electric vehicle road tester. Background technique [0002] The road test of electric vehicles generally includes items such as vehicle speed, rotating speed, acceleration steering angle, voltage, current, angular acceleration and braking. , need to use speedometer, test engine speed, need to use speedometer, test acceleration, need to use accelerometer, test generator output working voltage, current, need to use multimeter, test braking times, need to use digital meter, etc. Instruments, these traditional physical instruments are clumsy, need to use many instruments, are complicated to use, inconvenient to operate, and cannot analyze and display a large amount of data, so they are poor intuition and low in efficiency. At the same time, these instruments and equipment have the disadvantages of being expensive. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an e...
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