CN107588962A - A kind of entire new energy automobile thermocycling method - Google Patents
A kind of entire new energy automobile thermocycling method Download PDFInfo
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- CN107588962A CN107588962A CN201710587549.9A CN201710587549A CN107588962A CN 107588962 A CN107588962 A CN 107588962A CN 201710587549 A CN201710587549 A CN 201710587549A CN 107588962 A CN107588962 A CN 107588962A
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Abstract
The invention discloses a kind of entire new energy automobile thermocycling method, including vehicle location to be checked, static caloric test, static test data acquisition, five steps such as dynamic caloric test and dynamic test data acquisition.The present invention is workable, Data Detection precision is high, can it is sufficiently effective to vehicle extreme temperature environment conversion under the conditions of running status and vehicle self structure state detect, so as on the one hand can effectively obtain accurate vehicle running quality and operating limit life parameter, on the other hand it is easy to the design to vehicle, assembly technology and parts to be easy to the raising of vehicle mass and operation stability and reliability from accurately and reliably design considerations is provided.
Description
Technical field
The present invention relates to a kind of entire new energy automobile thermocycling method, belongs to electric vehicle technical field.
Background technology
Now with the increase of all kinds of electric vehicle usage amounts, the safety in utilization and reliability of electric vehicle are proposed
Strict requirements, but find in actual use, due to factors such as electric vehicle own structural characteristics, cause electric vehicle transporting
During row, the change of the environmental factor such as high temperature, low temperature is extremely serious on running state of electric motor car influence, and it is electronic to even result in part
The accidents such as power supply spontaneous combustion occur because of high temperature in operation for vehicle, and are directed to this problem, currently to electric vehicle from being designed into
In the whole production link that complete vehicle quality is examined, lack effective test simulation method, therefore cause current electric vehicle
Design and production lack effective guide parameters, in turn result in Car design, production has the defects of larger, therefore is directed to this
One problem, there is an urgent need to develop a kind of professional electric car detection method, to meet the needs of actual use.
The content of the invention
The object of the invention, which is that, overcomes above-mentioned deficiency, there is provided a kind of entire new energy automobile thermocycling method.
To achieve the above object, the present invention is to be achieved through the following technical solutions：
A kind of entire new energy automobile thermocycling method, comprises the following steps：
The first step, vehicle location to be checked, storing cycle to be checked in closed detection space and is positioned first, then will
Airtight space is detected, each electrical equipment of vehicle to be checked is in standby running status；
Second step, static caloric test, after completing first step operation, vehicle external surface to be checked is existed by detecting space
Internal irradiation in 5-20 minutes is heated to 50 DEG C-100 DEG C, and is incubated 1-24 hours, then that vehicle external surface temperature to be checked is natural
Be cooled to 20 DEG C-40 DEG C, then by detect space in 5-20 minutes by vehicle external surface temperature to be checked drop to-40 DEG C-
0 DEG C, and 1-24 hours are incubated, vehicle external surface temperature to be checked is then warming up to 20 DEG C-40 DEG C naturally, so as to complete once
Static caloric test；
3rd step, static test data acquisition, after completing second step operation, first to whole vehicle structural strength to be detected
Detected, then the outer surface to vehicle, cabin interior decorative layer quality detect, then to driving power, driving
The class of insulation of motor and control circuit is detected, and then driving power charge-discharge performance is detected, finally to control
Electric components operational factor is detected in circuit processed, and testing result is compared with Car design quality standard, if examination
Test result meet Car design quality standard then illustrate detect sample car it is qualified and proceed in next step detect, if detection quality do not conform to
Lattice, then car body design scheme is adjusted, and after preparing brand-new sample car, brand-new sample car is returned into the first step and re-starts inspection
Survey operation；
4th step, dynamic caloric test, complete the 3rd step and detect qualified each electrical equipment of vehicle to be detected and locate
In the operation working condition emulation of vehicle normal road, detection space is then crossed to vehicle external surface to be checked at 5-20 minutes
Internal irradiation is heated to 50 DEG C-100 DEG C, and is incubated 1-24 hours, and vehicle external surface temperature to be checked then is naturally cooled into 20
DEG C-40 DEG C, vehicle external surface temperature to be checked is then dropped to-40 DEG C-0 DEG C in 5-20 minutes by detecting space, and protect
Temperature 1-24 hours, is then warming up to 20 DEG C-40 DEG C naturally by vehicle external surface temperature to be checked, cold and hot so as to complete once dynamic
Experiment；
5th step, dynamic test data acquisition, after completing the 4th step operation, first to whole vehicle structural strength to be detected
Detected with vehicle tyre wear intensity, then the outer surface to vehicle, cabin interior decorative layer quality detect, then
The class of insulation of driving power, drive motor and control circuit is detected, then driving power charge-discharge performance entered
Row detection, is finally detected to electric components operational factor in control circuit, by testing result and Car design quality mark
Standard is compared, and illustrates that detection sample car is qualified if result of the test meets Car design quality standard, thus to Car design side
Case is finalized a text, if detection is off quality, car body design scheme is adjusted, and after preparing brand-new sample car, will be brand-new
Sample car returns to the first step and re-starts detection operation.
Further, spacing is 10-50 centimetres between the vehicle to be detected and closed detection space wall.
Further, the middle static caloric test and dynamic caloric test of the 3rd described step and the 4th step circulate 1-5
It is secondary.
Further, in the 4th described step, when carrying out the operation working condition emulation of vehicle normal road, treat
Examine the power section of vehicle and wheel applies emulation load-carrying resistance simultaneously, applying alternation oscillatory surge to wheel and shock absorbing apparatus makees
Firmly.
Further, in the 4th described step operation, the during insulation of irradiated heat is being carried out, Vehicle surface to be checked is being sprayed
Leaching pressure is 1.1-3.5 standard atmospheric pressures, temperature is 10 DEG C-40 DEG C, flow is 0.5-10m3/ h current, carrying out
It is that 1.1-3.5 standard atmospheric pressures, temperature are 0 DEG C-10 DEG C, flow to Vehicle surface spray pressure to be checked during cooling insulation
For 0.5-10m3/ h current.
Further, described current and vehicle external surface to be checked are in 30 ° -90 ° angles.
Further, the 3rd described step and during the 5th step operation, first using temperature as -10 DEG C -40 DEG C, pressure is
The air-flow of 1.1-5 standard atmospheric pressures is to carrying out impact test at vehicle seaming position to be checked, then using temperature as 0 DEG C-40
DEG C, pressure is the current of 1.1-3 standard atmospheric pressures to carrying out impact test, and gas shock at vehicle seaming position to be checked
Time with hose stream test is 30-90 seconds.
The present invention is workable, and Data Detection precision is high, sufficiently effective vehicle can be converted in extreme temperature environment
Under the conditions of running status and vehicle self structure state detected, so as on the one hand can effectively obtain the operation of accurate vehicle
Quality and operating limit life parameter, on the other hand it is easy to the design to vehicle, assembly technology and parts from offer
Accurately and reliably design considerations, it is easy to the raising of vehicle mass and operation stability and reliability.
Brief description of the drawings
Fig. 1 is the inventive method flow chart.
Embodiment
As shown in figure 1, a kind of entire new energy automobile thermocycling method, comprises the following steps：
The first step, vehicle location to be checked, storing cycle to be checked in closed detection space and is positioned first, then will
Airtight space is detected, spacing is 50 centimetres between vehicle to be detected and closed detection space wall, makes each electric of vehicle to be checked
Equipment is in standby running status；
Second step, static caloric test, after completing first step operation, by detecting space to vehicle external surface to be checked 10
Minute internal irradiation is heated to 80 DEG C, and is incubated 24 hours, vehicle external surface temperature to be checked then is naturally cooled into 40 DEG C, then
Vehicle external surface temperature to be checked is dropped to -20 DEG C in 15 minutes by detecting space, and is incubated 20 hours, then by car to be checked
Hull-skin temperature is warming up to 30 DEG C naturally, and so as to complete once static caloric test, and static caloric test is carried out continuously 3
It is secondary；
3rd step, static test data acquisition, after completing second step operation, first to whole vehicle structural strength to be detected
Detected, then the outer surface to vehicle, cabin interior decorative layer quality detect, then to driving power, driving
The class of insulation of motor and control circuit is detected, and then driving power charge-discharge performance is detected, finally to control
Electric components operational factor is detected in circuit processed, and testing result is compared with Car design quality standard, experiment
As a result meet Car design quality standard then to illustrate that detection sample car is qualified and proceed to detection in next step；
4th step, dynamic caloric test, complete the 3rd step and detect qualified each electrical equipment of vehicle to be detected and locate
In the operation working condition emulation of vehicle normal road, when carrying out emulation job, measuring car to be checked is applied to vehicle to be detected
The emulation resistance that maximum load matches, and emulate resistance and be continuously applied 20-60 minutes, then will emulation resistance unloading, make
Vehicle to be detected, then cross detection space and 60 DEG C are heated in internal irradiation in 5 minutes to vehicle external surface to be checked, and it is small to be incubated 24
When, vehicle external surface temperature to be checked is then naturally cooled to 30 DEG C, then by detecting space in 5 minutes by outside vehicle to be checked
Surface temperature drops to -40 DEG C, and is incubated 24 hours, and vehicle external surface temperature to be checked is then warming up into 25 DEG C naturally, so as to
Complete once dynamic caloric test, and static caloric test is carried out continuously 3 times；
5th step, dynamic test data acquisition, after completing the 4th step operation, first to whole vehicle structural strength to be detected
Detected with vehicle tyre wear intensity, then the outer surface to vehicle, cabin interior decorative layer quality detect, then
The class of insulation of driving power, drive motor and control circuit is detected, then driving power charge-discharge performance entered
Row detection, is finally detected to electric components operational factor in control circuit, by testing result and Car design quality mark
Standard is compared, and illustrates that detection sample car is qualified if result of the test meets Car design quality standard, thus to Car design side
Case is finalized a text, if detection is off quality, car body design scheme is adjusted, and after preparing brand-new sample car, will be brand-new
Sample car returns to the first step and re-starts detection operation.
In the present embodiment, in the 4th described step operation, the during insulation of irradiated heat is being carried out, to Vehicle surface to be checked
Spray pressure is 1.4 standard atmospheric pressures, temperature is 10 DEG C, flow 2m3/ h current, when carrying out cooling insulation, treat
Inspection Vehicle surface spray pressure is 2 standard atmospheric pressures, temperature is 0 DEG C, flow 50m3/ h current.
In the present embodiment, described current and vehicle external surface to be checked are in 60 angles.
In the present embodiment, when the 3rd described step and the 5th step operation, first using temperature as -10 DEG C, pressure is 3 marks
The air-flow of quasi- atmospheric pressure is to carrying out impact test at vehicle seaming position to be checked, then using temperature as 40 DEG C, pressure is 2.1 marks
The current of quasi- atmospheric pressure are to carrying out impact test, and the time of gas shock and hose stream test at vehicle seaming position to be checked
It is 70 seconds.
Embodiment 2
A kind of entire new energy automobile thermocycling method, comprises the following steps：
The first step, vehicle location to be checked, storing cycle to be checked in closed detection space and is positioned first, then will
Airtight space is detected, spacing is 30 centimetres between vehicle to be detected and closed detection space wall, makes each electric of vehicle to be checked
Equipment is in standby running status；
Second step, static caloric test, after completing first step operation, by detecting space to vehicle external surface to be checked 10
Minute internal irradiation is heated to 70 DEG C, and is incubated 24 hours, vehicle external surface temperature to be checked then is naturally cooled into 30 DEG C, then
Vehicle external surface temperature to be checked is dropped to 0 DEG C in 15 minutes by detecting space, and is incubated 12 hours, then by vehicle to be checked
Hull-skin temperature is warming up to 20 DEG C naturally, and so as to complete once static caloric test, and static caloric test is carried out continuously 5 times；
3rd step, static test data acquisition, after completing second step operation, first to whole vehicle structural strength to be detected
Detected, then the outer surface to vehicle, cabin interior decorative layer quality detect, then to driving power, driving
The class of insulation of motor and control circuit is detected, and then driving power charge-discharge performance is detected, finally to control
Electric components operational factor is detected in circuit processed, and testing result is compared with Car design quality standard, if examination
Test result meet Car design quality standard then illustrate detect sample car it is qualified and proceed in next step detect, if detection quality do not conform to
Lattice, then car body design scheme is adjusted, and after preparing brand-new sample car, brand-new sample car is returned into the first step and re-starts inspection
Survey operation；
4th step, dynamic caloric test, complete the 3rd step and detect qualified each electrical equipment of vehicle to be detected and locate
In the operation working condition emulation of vehicle normal road, when carrying out emulation job, measuring car to be checked is applied to vehicle to be detected
The emulation resistance that maximum load matches, then cross detection space and vehicle external surface to be checked was heated in internal irradiation in 20 minutes
50 DEG C, and 12 hours are incubated, vehicle external surface temperature to be checked is then naturally cooled to 30 DEG C, then by detecting space at 15 points
Vehicle external surface temperature to be checked is dropped to -10 DEG C in clock, and is incubated 12 hours, it is then that vehicle external surface temperature to be checked is natural
25 DEG C are warming up to, so as to complete once dynamic caloric test, and static caloric test is carried out continuously 3 times；
5th step, dynamic test data acquisition, after completing the 4th step operation, first to whole vehicle structural strength to be detected
Detected with vehicle tyre wear intensity, then the outer surface to vehicle, cabin interior decorative layer quality detect, then
The class of insulation of driving power, drive motor and control circuit is detected, then driving power charge-discharge performance entered
Row detection, is finally detected to electric components operational factor in control circuit, by testing result and Car design quality mark
Standard is compared, and illustrates that detection sample car is qualified if result of the test meets Car design quality standard, thus to Car design side
Case is finalized a text, if detection is off quality, car body design scheme is adjusted, and after preparing brand-new sample car, will be brand-new
Sample car returns to the first step and re-starts detection operation.
In the present embodiment, in the 4th described step operation, the during insulation of irradiated heat is being carried out, to Vehicle surface to be checked
Spray pressure is 1.5 standard atmospheric pressures, temperature is 20 DEG C, flow 3m3/ h current, when carrying out cooling insulation, treat
Inspection Vehicle surface spray pressure is 2.5 standard atmospheric pressures, temperature is 8 DEG C, flow 5m3/ h current.
In the present embodiment, described current and vehicle external surface to be checked are in 45 ° of angles.
In the present embodiment, when the 3rd described step and the 5th step operation, first using temperature as -10 DEG C, pressure is 2 marks
The air-flow of quasi- atmospheric pressure is to carrying out impact test at vehicle seaming position to be checked, then using temperature as 10 DEG C, pressure is 2 standards
The current of atmospheric pressure are to carrying out impact test at vehicle seaming position to be checked, and the time of gas shock and hose stream test is equal
For 60 seconds.
The present invention is workable, and Data Detection precision is high, sufficiently effective vehicle can be converted in extreme temperature environment
Under the conditions of running status and vehicle self structure state detected, so as on the one hand can effectively obtain the operation of accurate vehicle
Quality and operating limit life parameter, on the other hand it is easy to the design to vehicle, assembly technology and parts from offer
Accurately and reliably design considerations, it is easy to the raising of vehicle mass and operation stability and reliability.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
- A kind of 1. entire new energy automobile thermocycling method, it is characterised in that：The entire new energy automobile high/low temperature examination Proved recipe method comprises the following steps：The first step, vehicle location to be checked, storing cycle to be checked in closed detection space and is positioned first, then will detection Airtight space, each electrical equipment of vehicle to be checked is set to be in standby running status；Second step, static caloric test, after completing first step operation, by detecting space to vehicle external surface to be checked 5-20 Minute internal irradiation is heated to 50 DEG C-100 DEG C, and is incubated 1-24 hours, then by vehicle external surface temperature natural cooling to be checked To 20 DEG C-40 DEG C, vehicle external surface temperature to be checked is then dropped to-40 DEG C-0 DEG C in 5-20 minutes by detecting space, And 1-24 hours are incubated, and vehicle external surface temperature to be checked is then warming up to 20 DEG C-40 DEG C naturally, it is static so as to complete once Caloric test；3rd step, static test data acquisition, after completing second step operation, whole vehicle structural strength to be detected is carried out first Detection, then the outer surface to vehicle, cabin interior decorative layer quality detect, then electronic to driving power, driving The class of insulation of machine and control circuit is detected, and then driving power charge-discharge performance is detected, finally to control electricity Electric components operational factor is detected in road, and testing result is compared with Car design quality standard, if experiment knot Fruit meets Car design quality standard and then illustrates that detection sample car is qualified and proceeds to detection in next step, if detection is off quality, Then car body design scheme is adjusted, and after preparing brand-new sample car, brand-new sample car is returned into the first step and re-starts detection Operation；4th step, dynamic caloric test, complete the 3rd step and detect qualified each electrical equipment of vehicle to be detected and be in car The operation working condition emulation of normal road, then cross detection space to vehicle external surface to be checked the spoke in 5-20 minutes According to being heated to 50 DEG C-100 DEG C, and be incubated 1-24 hours, then by vehicle external surface temperature to be checked naturally cool to 20 DEG C- 40 DEG C, vehicle external surface temperature to be checked is then dropped to-40 DEG C-0 DEG C in 5-20 minutes by detecting space, and be incubated 1-24 hours, vehicle external surface temperature to be checked is then warming up to 20 DEG C-40 DEG C naturally, so as to complete the once cold and hot examination of dynamic Test；5th step, dynamic test data acquisition, after completing the 4th step operation, first to whole vehicle structural strength to be detected and car Tire wear degree is detected, and then the outer surface to vehicle, cabin interior decorative layer quality detect, then to driving The class of insulation of dynamic power supply, drive motor and control circuit is detected, and then driving power charge-discharge performance is examined Survey, finally electric components operational factor in control circuit is detected, testing result and Car design quality standard are entered Row compares, and illustrates that detection sample car is qualified if result of the test meets Car design quality standard, thus vehicle design setup is entered Row is finalized a text, if detection is off quality, car body design scheme is adjusted, and after preparing brand-new sample car, by brand-new sample car Return to the first step and re-start detection operation.
- A kind of 2. entire new energy automobile thermocycling method according to claim 1, it is characterised in that：It is described to be checked Spacing is 10-50 centimetres between measuring car and closed detection space wall.
- A kind of 3. entire new energy automobile thermocycling method according to claim 1, it is characterised in that：Described The static caloric test and dynamic caloric test of two steps and the 4th step circulate 1-5 times.
- A kind of 4. entire new energy automobile thermocycling method according to claim 1, it is characterised in that：Described In four steps, when carrying out the operation working condition emulation of vehicle normal road, the power section and wheel to vehicle to be checked are same When apply emulation load-carrying resistance, alternation oscillatory surge active force is applied to wheel and shock absorbing apparatus.
- A kind of 5. entire new energy automobile thermocycling method according to claim 1, it is characterised in that：Described In four step operations, the during insulation of irradiated heat is being carried out, is being that 1.1-3.5 standards are big to Vehicle surface spray pressure to be checked Air pressure, temperature are 10 DEG C-40 DEG C, flow is 0.5-10m3/ h current, when carrying out cooling insulation, to Vehicle surface to be checked Spray pressure is 1.1-3.5 standard atmospheric pressures, temperature is 0 DEG C-10 DEG C, flow is 0.5-10m3/ h current.
- A kind of 6. entire new energy automobile thermocycling method according to claim 5, it is characterised in that：Described water Stream and vehicle external surface to be checked are in 30 ° -90 ° angles.
- A kind of 7. entire new energy automobile thermocycling method according to claim 1, it is characterised in that：Described When three steps and the 5th step operation, first using temperature as-10 DEG C-40 DEG C, pressure is the air-flow pair of 1.1-5 standard atmospheric pressures Impact test is carried out at vehicle seaming position to be checked, then using temperature as 0 DEG C-40 DEG C, pressure is 1.1-3 standard atmospheric pressures Current to carrying out impact test at vehicle seaming position to be checked, and the time of gas shock and hose stream test be 30- 90 seconds.
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| CN109323983A (en) * | 2018-12-21 | 2019-02-12 | 广州广电计量检测无锡有限公司 | A kind of infrared ageing system of vehicle and its method |
| CN109828176A (en) * | 2019-03-14 | 2019-05-31 | 武汉理工大学 | A kind of New energy automobile motor battery high/low temperature loop test system |
| CN112229646A (en) * | 2020-09-22 | 2021-01-15 | 一汽奔腾轿车有限公司 | High-temperature and high-cold test method for whole vehicle |
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