CN212459988U - Automatic testing arrangement of new energy automobile DCDC converter parameter - Google Patents
Automatic testing arrangement of new energy automobile DCDC converter parameter Download PDFInfo
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- CN212459988U CN212459988U CN202020934269.8U CN202020934269U CN212459988U CN 212459988 U CN212459988 U CN 212459988U CN 202020934269 U CN202020934269 U CN 202020934269U CN 212459988 U CN212459988 U CN 212459988U
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Abstract
The utility model provides an automatic testing device for the parameters of a DCDC converter of a new energy automobile, which comprises a temperature and humidity test box, a water cooling machine, an equipment cabinet, a high-voltage direct-current power supply cabinet and a control cabinet; the equipment cabinet is internally provided with a test instrument, an electronic load and a low-voltage direct-current power supply; an industrial personal computer, a CAN communication module and a display are arranged in the control cabinet; a high-voltage direct-current power supply is arranged on the high-voltage direct-current power supply cabinet; the DCDC converter sample is placed in a temperature and humidity test box, the input end of the DCDC converter sample is connected with a high-voltage direct current power supply, and the output end of the DCDC converter sample is connected with an electronic load; the industrial computer passes through CAN communication module and temperature and humidity test case, water-cooled generator, DCDC converter sample, high voltage direct current power supply, test instrument, electronic load, low pressure direct current power supply electric connection, and split type design and integrated control satisfy the test demand under the extreme environment, avoid numerous and diverse wiring and equipment operation, labour saving and time saving.
Description
Technical Field
The utility model belongs to the technical field of the test that new energy automobile DCDC converter is relevant, concretely relates to new energy automobile DCDC converter parameter automatic testing arrangement.
Background
With the development of economy and the improvement of the living standard of people, automobiles move into thousands of households, the moving space of users is widened due to the characteristic of quick movement, the living quality of the users is improved, however, the traditional petrochemical energy used by the fuel oil automobiles has the defects of non-regeneration, environmental pollution, low efficiency and the like, and new energy automobiles mainly comprising electric automobiles are in line with the trend and are produced accordingly. The working principle of the electric automobile is that alternating current of a power grid is converted into high-voltage direct current to be stored in a vehicle-mounted storage battery when the electric automobile is at rest, and high voltage is converted into low voltage from the storage battery when the electric automobile runs and then the electric automobile is driven to move by a motor. When the high voltage is converted into the low voltage, the DCDC converter is used, the quality of each parameter of the DCDC converter directly influences the performance of the whole vehicle, for example, the conversion efficiency directly influences the endurance mileage, and the ripple factor influences the driving stability, the service life of the motor and the like. Therefore, the DCDC converter must perform a performance check of the system to satisfy the design criteria.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a new energy automobile DCDC converter parameter automatic testing arrangement for verify each item parameter stability of DCD converter in the ageing environment with higher speed.
The utility model provides a following technical scheme:
an automatic testing device for parameters of a DCDC converter of a new energy automobile is characterized by comprising a temperature and humidity test box, a water cooling machine, an equipment cabinet, a high-voltage direct-current power supply cabinet and a control cabinet; the equipment cabinet is internally provided with a test instrument, an electronic load and a low-voltage direct-current power supply; an industrial personal computer, a CAN communication module and a display are arranged in the control cabinet; a high-voltage direct-current power supply is arranged on the high-voltage direct-current power supply cabinet;
a DCDC converter sample is placed in the temperature and humidity test box, the input end of the DCDC converter sample is electrically connected with the high-voltage direct-current power supply, and the output end of the DCDC converter sample is electrically connected with the electronic load; the industrial personal computer is electrically connected with the temperature and humidity test box, the water cooling machine, the DCDC converter sample, the high-voltage direct-current power supply, the test instrument, the electronic load and the low-voltage direct-current power supply through the CAN communication module.
Preferably, the DCDC converter sample is installed in the temperature and humidity test chamber, the DCDC converter sample is connected with the water-cooling machine through a pipeline, and the water-cooling machine is used for performing water-cooling heat dissipation on the DCDC converter sample.
Preferably, the test instrument comprises an oscilloscope and a power analyzer, and the oscilloscope and the power analyzer are respectively and electrically connected with the high-voltage input end and the low-voltage output end of the DCDC converter sample.
Preferably, the temperature and humidity test box, the water cooling machine, the equipment cabinet, the high-voltage direct-current power supply cabinet and the control cabinet are connected through wiring troughs.
Preferably, the bottoms of the temperature and humidity test box, the water cooling machine, the equipment cabinet, the high-voltage direct-current power supply cabinet and the control cabinet are respectively provided with a fortune horse wheel.
Preferably, the control cabinet is further provided with an audible and visual alarm, and the audible and visual alarm is electrically connected with the industrial personal computer.
Preferably, the equipment cabinet and the control cabinet are also provided with heat dissipation holes.
The utility model has the advantages that: the device adopts a split type design, the testing equipment is arranged outside, the sample is arranged inside, and the master control computer is used for remote control, so that the influence of extreme environments such as high and low temperature, high humidity, high corrosion and the like can be perfectly solved; the device also adopts integrated control, the on-off of the environmental test box, the sample and the equipment, the current and voltage, the switching of test parameters, the change of environmental conditions of the environmental test box and the like are integrally controlled by a main control computer, automatic test can be carried out according to a preset program, one-time wiring is basically realized, all the wiring is completed, the complicated wiring and equipment operation are avoided, and time and labor are saved; professional control software is used for recording in the whole process, and the test process can be traced and analyzed; once the test is abnormal, the MAIL can be sent out to alarm; test data and conditions may be remotely accessed and presented.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic front view of the present invention;
fig. 4 is a schematic diagram of the circuit connection of the present invention.
Detailed Description
As shown in the figures, the device for automatically testing the parameters of the DCDC converter of the new energy automobile provided by the utility model comprises a temperature and humidity test box 1, a water-cooling machine 2, an equipment cabinet 3, a high-voltage direct-current power supply cabinet 5 and a control cabinet 6; the equipment cabinet 3 is internally provided with a test instrument 14, an electronic load 12 and a low-voltage direct-current power supply 13; an industrial personal computer 7, a CAN communication module 8 and a display 9 are arranged in the control cabinet 6; a high-voltage direct-current power supply is arranged on the high-voltage direct-current power supply cabinet 5;
a DCDC converter sample 4 is placed in the temperature and humidity test box 1, the input end of the DCDC converter sample 4 is connected with a high-voltage direct-current power supply and used for simulating the input of a vehicle-mounted battery, the output end of the DCDC converter sample 4 is connected with an electronic load 12, and the electronic load 12 is used for simulating the electricity consumption of driving; the industrial personal computer 7 is communicated with the temperature and humidity test box 1, the water cooling machine 2, the DCDC converter sample 4, the high-voltage direct-current power supply, the test instrument 14, the electronic load 12 and the low-voltage direct-current power supply 13 through the CAN communication module 8, the industrial personal computer 7 adopts an industrial computer with stable performance as a central control system, the program input and operation control of the whole machine are realized through a touch screen or a key, the industrial personal computer 7 CAN work out the operation parameters and the time sequence control program of each device in advance according to the test conditions required by the DCDC converter sample 4, the devices are controlled to operate according to the set program after the program is started, and meanwhile, the industrial personal computer 7 CAN save the test results of the test instrument 14 through the control program, so that the; because the test condition can be controlled and adjusted through the industrial personal computer 7, manual adjustment is not needed, complex wiring and equipment operation are avoided, and time and labor are saved.
The testing instrument 14 comprises an oscilloscope 10 and a power analyzer 11, the oscilloscope 10 and the power analyzer 11 are respectively electrically connected with the high-voltage input end and the low-voltage output end of the DCDC converter sample 4, the oscilloscope 10 is used for testing parameters such as input and output ripples, output voltage current, input voltage error test and output voltage error, and the power analyzer is used for testing parameters such as power factors, input power, output power and conversion efficiency; and the information such as the waveform and the parameters measured by the oscilloscope 10 and the power analyzer 11 is transmitted to the industrial personal computer 7 for storage through the CAN communication module 8.
The DCDC converter sample 4 is installed in the temperature and humidity test box 1, and because the DCDC converter sample 4 can generate heat at work, the DCDC converter sample 4 needing water cooling is connected with the water cooling machine 2 through a pipeline, and the water cooling is carried out on the DCDC converter sample 4 through the water cooling machine 2.
The temperature and humidity test box 1, the water cooling machine 2, the equipment cabinet 3, the high-voltage direct-current power supply cabinet 5 and the control cabinet 6 are connected through the wiring groove 17, and the electrified wire is installed in the wiring groove 17, so that the whole testing device is simple and attractive, and the wiring groove can protect a circuit from being damaged. The bottoms of the temperature and humidity test box 1, the water cooling machine 2, the equipment cabinet 3, the high-voltage direct-current power supply cabinet 5 and the control cabinet 6 are provided with the fortune horse wheel 16, so that the whole test device can be moved conveniently.
And an audible and visual alarm is also arranged on the control cabinet 6, and when each tested parameter exceeds a threshold value set by the industrial personal computer 7 in advance, the industrial personal computer 7 triggers the audible and visual alarm and automatically gives an MAIL alarm.
Still be equipped with louvre 15 on equipment cabinet 3 and the switch board 6, because during operation such as industrial computer and test instrument and electronic load, can produce certain heat, the heat dissipation of the device of being convenient for of setting up of louvre plays certain guard action to testing arrangement.
When the automatic testing device for the DCDC converter parameters of the new energy automobile is used, firstly, a DCDC converter sample 4 is installed in a temperature and humidity test box 1, whether line connection is firm and safe is checked, a control program for controlling a test environment, test parameters and a test time sequence is compiled on an industrial personal computer 7 through control software (or the control program can be compiled through other computers and then remotely sent to the industrial personal computer 7), for example, the temperature and humidity test box is started to carry out temperature and humidity circulation 1, then a high-voltage direct-current power supply on a high-voltage direct-current power supply cabinet 5 is started to start power on, then the DCDC converter sample 4 is started to carry out voltage conversion, an electronic load 12 is started to carry out pulling load, finally an oscilloscope 10 and a power analyzer 11 are started to carry out parameter measurement, a measurement result is fed back to the industrial; and if the parameter test result is abnormal, triggering an audible and visual alarm in time and sending an MAIL alarm to remind a tester. If the test conditions need to be changed, the control program in the industrial personal computer 7 only needs to be changed, and the test is restarted after the control program is stored.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An automatic testing device for parameters of a DCDC converter of a new energy automobile is characterized by comprising a temperature and humidity test box (1), a water cooling machine (2), an equipment cabinet (3), a high-voltage direct-current power supply cabinet (5) and a control cabinet (6); a test instrument (14), an electronic load (12) and a low-voltage direct-current power supply (13) are arranged in the equipment cabinet (3); an industrial personal computer (7), a CAN communication module (8) and a display (9) are arranged in the control cabinet (6); a high-voltage direct-current power supply is arranged on the high-voltage direct-current power supply cabinet (5);
a DCDC converter sample (4) is placed in the temperature and humidity test box (1), the input end of the DCDC converter sample (4) is electrically connected with the high-voltage direct-current power supply, and the output end of the DCDC converter sample is electrically connected with the electronic load (12); the industrial personal computer (7) is electrically connected with the temperature and humidity test box (1), the water-cooled machine (2), the DCDC converter sample (4), the high-voltage direct-current power supply, the test instrument (14), the electronic load (12) and the low-voltage direct-current power supply (13) through the CAN communication module (8).
2. The automatic testing device for the DCDC converter parameters of the new energy automobile according to claim 1, characterized in that the DCDC converter sample (4) is installed in the temperature and humidity test box (1), the DCDC converter sample (4) is connected with the water cooling machine (2) through a pipeline, and the water cooling machine (2) is used for performing water cooling heat dissipation on the DCDC converter sample (4).
3. The automatic parameter testing device for the DCDC converter of the new energy automobile according to claim 1, wherein the testing instrument (14) comprises an oscilloscope (10) and a power analyzer (11), and the oscilloscope (10) and the power analyzer (11) are electrically connected with a high-voltage input end and a low-voltage output end of the DCDC converter sample (4), respectively.
4. The automatic testing device for the parameters of the DCDC converter of the new energy automobile as claimed in claim 1, wherein the temperature and humidity test box (1), the water cooling machine (2), the equipment cabinet (3), the high-voltage direct-current power supply cabinet (5) and the control cabinet (6) are connected through a wiring groove (17).
5. The automatic testing device for the parameters of the DCDC converter of the new energy automobile according to claim 1, wherein Fuma wheels (16) are arranged at the bottoms of the temperature and humidity test box (1), the water cooling machine (2), the equipment cabinet (3), the high-voltage direct-current power supply cabinet (5) and the control cabinet (6).
6. The automatic testing device for the parameters of the DCDC converter of the new energy automobile as claimed in claim 1, wherein an audible and visual alarm is further arranged on the control cabinet (6), and the audible and visual alarm is electrically connected with the industrial personal computer (7).
7. The automatic testing device for the parameters of the DCDC converter of the new energy automobile according to claim 1, characterized in that heat dissipation holes (15) are further formed in the equipment cabinet (3) and the control cabinet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020934269.8U CN212459988U (en) | 2020-05-28 | 2020-05-28 | Automatic testing arrangement of new energy automobile DCDC converter parameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020934269.8U CN212459988U (en) | 2020-05-28 | 2020-05-28 | Automatic testing arrangement of new energy automobile DCDC converter parameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212459988U true CN212459988U (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020934269.8U Active CN212459988U (en) | 2020-05-28 | 2020-05-28 | Automatic testing arrangement of new energy automobile DCDC converter parameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212459988U (en) |
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2020
- 2020-05-28 CN CN202020934269.8U patent/CN212459988U/en active Active
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| CP02 | Change in the address of a patent holder |
Address after: 215000 No.8, Zhujing Road, Changshu high tech Industrial Development Zone, Suzhou City, Jiangsu Province Patentee after: Jiangsu jiashide Testing Technology Co.,Ltd. Address before: 215000 No.8, Zhujing Road, Changshu hi tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee before: Jiangsu jiashide Testing Technology Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |