CN108445423A - A kind of electric vehicle DCDC off-line test methods based on off-line test equipment - Google Patents
A kind of electric vehicle DCDC off-line test methods based on off-line test equipment Download PDFInfo
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- CN108445423A CN108445423A CN201810108698.7A CN201810108698A CN108445423A CN 108445423 A CN108445423 A CN 108445423A CN 201810108698 A CN201810108698 A CN 201810108698A CN 108445423 A CN108445423 A CN 108445423A
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- line test
- dcdc
- converter
- test equipment
- car controller
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The electric vehicle DCDC off-line test methods based on off-line test equipment that the invention discloses a kind of, including entire car controller and respectively with the entire car controller be electrically connected off-line test equipment, DCDC controllers and storage battery sensor；And execute following steps：The off-line test equipment sends the instruction of DCDC Function detections to the entire car controller；The entire car controller controls the work of DC to DC converter and output voltage according to the instruction received by the DCDC controllers；The off-line test equipment judges whether the function of the DC to DC converter is normal according to the collected battery tension information of work state information, storage battery sensor of the DC to DC converter and the output voltage information of DC to DC converter.
Description
Technical field
The present invention relates to a kind of detection method more particularly to a kind of electric vehicle DCDC based on off-line test equipment are offline
Detection method.
Background technology
DCDC (DC to DC converter) is a kind of electronic device being applied on electric vehicle.
For electric vehicle production firm, the inspections of DCDC functions place one's entire reliance upon testing staff subjective assessment or
Person's real vehicle is verified, this just brings great inconvenience to the detection of DCDC devices, also directly affects the total quality of manufacture vehicle,
Consumption hidden danger has been buried to consumer.
Invention content
The present invention is directed to the drawbacks of prior art, provides a kind of offline inspections of electric vehicle DCDC based on off-line test equipment
Survey method.
Electric vehicle DCDC off-line test methods of the present invention based on off-line test equipment, including entire car controller
Off-line test equipment, DCDC controllers and the storage battery sensor being electrically connected respectively with the entire car controller；
And execute following steps：
Step 1, the off-line test equipment send the instruction of DCDC Function detections to the entire car controller；
Step 2, the entire car controller control DC to DC according to the instruction received by the DCDC controllers
Converter work and output voltage；
Step 3, the off-line test equipment is according to work state information, the accumulator of the DC to DC converter
The collected battery tension information of sensor and the output voltage information of DC to DC converter judge that the direct current turns straight
Whether the function of current converter is normal.
It is described in the step of electric vehicle DCDC off-line test methods of the present invention based on off-line test equipment two
Entire car controller controls the DC to DC converter by the DCDC controllers and changes output voltage.
In the step of electric vehicle DCDC off-line test methods of the present invention based on off-line test equipment three, if directly
DC converter working condition circulate normally and the output voltage of DC to DC converter is 13.8 volts, then judges described straight
The function of circulation DC converter is normal.
In the step of electric vehicle DCDC off-line test methods of the present invention based on off-line test equipment three, if directly
Circulate DC converter operating condition failures, DC to DC converter output voltage be 12 volts and storage battery sensor
Collected battery tension is less than or equal to 12 volts, then judges the dysfunction of the DC to DC converter.
The step of electric vehicle DCDC off-line test methods of the present invention based on off-line test equipment three it is laggard
One step includes：
Step 4, off-line test equipment send DCDC Function detection halt instructions to the entire car controller.
In electric vehicle DCDC off-line test methods of the present invention based on entire car controller, can accurately it detect
The function of the DCDC of electric vehicle, to improve the reliability of vehicle power management function.
Description of the drawings
Fig. 1 is that the flow of the electric vehicle DCDC off-line test methods of the present invention based on off-line test equipment is illustrated
Figure.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art with reference to specification text
Word can be implemented according to this.
Electric vehicle DCDC off-line test methods of the present invention based on off-line test equipment, including entire car controller
Off-line test equipment, DCDC controllers and the storage battery sensor being electrically connected respectively with the entire car controller.
Wherein, core of the entire car controller as Control of Electric Vehicles receives the data of each component transmission simultaneously
Handle and analyze accordingly, meanwhile, control instruction also is sent out to each component, to control the working condition of each component；
The off-line test equipment can send out corresponding inspection as needed and targetedly as external detection device
Instruction is surveyed, and the judgement that feedback data makes testing result can be received.
The mating setting of the accumulator of the storage battery sensor and electric vehicle, can measure the voltage of accumulator.
Control element of the DCDC controllers as DCDC, can control the working condition of DCDC, such as control
The operating mode of DCDC processed, the real-time income voltage for obtaining DCDC and the real-time output voltage for obtaining DCDC.
As shown in Figure 1, the electric vehicle DCDC off-line test methods of the present invention based on off-line test equipment, including
Following steps：
Step 101, the off-line test equipment sends the instruction of DCDC Function detections to the entire car controller.
In this step, the off-line test equipment division sends the instruction of DCDC Function detections to the entire car controller, i.e., logical
The instruction that simulation work is sent to the DCDC is crossed, in order to verify the function of DCDC.
Step 102, the entire car controller controls direct current by the DCDC controllers according to the instruction received and turns directly
Current converter work and output voltage.
In this step, according to the instruction of entire car controller, to control DCDC, (i.e. DC to DC becomes the DCDC controllers
Parallel operation) work, for example, controlling the DC to DC converter by DCDC controllers by the entire car controller changes output
Voltage.And real-time input voltage information and real-time output voltage information are had for DCDC equipment, after work.
Step 103, the off-line test equipment is according to work state information, the accumulator of the DC to DC converter
The collected battery tension information of sensor and the output voltage information of DC to DC converter judge that the direct current turns straight
Whether the function of current converter is normal.
In this step, the collected electric power storage of work state information, storage battery sensor of the DC to DC converter
Cell voltage information and the output voltage information of DC to DC converter are forwarded to the off-line test by entire car controller and set
It is standby, and judged with reference to the detection program to prestore inside above- mentioned information and its by the off-line test equipment.
Specifically, if off-line test equipment determines DC to DC, converter working condition is normal, and the direct current turns
The output voltage of DC converter is 13.8 volts, then can determine that the function of the DC to DC converter is normal.
If alternatively, the off-line test equipment determine the DC to DC converter working condition be failure, moreover,
The output voltage of the DC to DC converter is 12 volts, and corresponding, the collected battery tension of storage battery sensor is also small
In or be equal to 12 volts, then can determine the dysfunction of the DC to DC converter.
In electric vehicle DCDC off-line test methods of the present invention based on off-line test equipment, if to the DCDC
After being detected, also further the stopping of DCDC Function detections can be sent to the entire car controller from off-line test equipment and referred to
It enables.
That is, no matter DCDC function is normal or dysfunction, all can be considered and the Function detection of DCDC completed,
So, the off-line test equipment can send DCDC Function detection halt instructions to the entire car controller.
In electric vehicle DCDC off-line test methods of the present invention based on entire car controller, can accurately it detect
The function of the DCDC of electric vehicle, to improve the reliability of vehicle power management function.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (5)
1. a kind of electric vehicle DCDC off-line test methods based on off-line test equipment, which is characterized in that including full-vehicle control
Device and off-line test equipment, DCDC controllers and the storage battery sensor being electrically connected respectively with the entire car controller；
And execute following steps：
Step 1, the off-line test equipment send the instruction of DCDC Function detections to the entire car controller；
Step 2, the entire car controller control DC to DC transformation according to the instruction received by the DCDC controllers
Device work and output voltage；
Step 3, the off-line test equipment are sensed according to work state information, the accumulator of the DC to DC converter
The collected battery tension information of device and the output voltage information of DC to DC converter judge that the DC to DC becomes
Whether the function of parallel operation is normal.
2. the electric vehicle DCDC off-line test methods based on off-line test equipment as described in claim 1, which is characterized in that
In the step 2, the entire car controller controls the DC to DC converter by the DCDC controllers and changes output
Voltage.
3. the electric vehicle DCDC off-line test methods based on off-line test equipment as claimed in claim 2, which is characterized in that
In the step 3, if DC to DC converter working condition is normal and the output voltage of DC to DC converter is
13.8 volts, then judge that the function of the DC to DC converter is normal.
4. the electric vehicle DCDC off-line test methods based on off-line test equipment as claimed in claim 2, which is characterized in that
In the step 3, if the output voltage of DC to DC converter operating condition failures, DC to DC converter is 12 volts,
And the collected battery tension of storage battery sensor is less than or equal to 12 volts, then judges the DC to DC converter
Dysfunction.
5. the electric vehicle DCDC off-line test methods based on off-line test equipment as described in claim 1, which is characterized in that
Further comprise after the step 3：
Step 4, off-line test equipment send DCDC Function detection halt instructions to the entire car controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810108698.7A CN108445423A (en) | 2018-02-01 | 2018-02-01 | A kind of electric vehicle DCDC off-line test methods based on off-line test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810108698.7A CN108445423A (en) | 2018-02-01 | 2018-02-01 | A kind of electric vehicle DCDC off-line test methods based on off-line test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108445423A true CN108445423A (en) | 2018-08-24 |
Family
ID=63191400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810108698.7A Pending CN108445423A (en) | 2018-02-01 | 2018-02-01 | A kind of electric vehicle DCDC off-line test methods based on off-line test equipment |
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| CN (1) | CN108445423A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358250A (en) * | 2018-10-26 | 2019-02-19 | 中国人民解放军空军勤务学院 | The quick detection device software of supply vehicle boost conversion and the quick detection device of boost conversion |
| CN109444518A (en) * | 2018-10-26 | 2019-03-08 | 中国人民解放军空军勤务学院 | A kind of supply vehicle boost conversion rapid detection system, detection method and detection device |
| CN110346682A (en) * | 2019-07-12 | 2019-10-18 | 奇瑞新能源汽车股份有限公司 | Electric car dcdc converter exports connection status detection circuit and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358250A (en) * | 2018-10-26 | 2019-02-19 | 中国人民解放军空军勤务学院 | The quick detection device software of supply vehicle boost conversion and the quick detection device of boost conversion |
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| CN110346682A (en) * | 2019-07-12 | 2019-10-18 | 奇瑞新能源汽车股份有限公司 | Electric car dcdc converter exports connection status detection circuit and method |
| CN110346682B (en) * | 2019-07-12 | 2021-08-31 | 奇瑞新能源汽车股份有限公司 | Output connection state detection circuit and method for DCDC converter of electric vehicle |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180824 |
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| RJ01 | Rejection of invention patent application after publication |