CN112098122A - Heat radiator cold and hot impact bench test method based on whole vehicle heat management system - Google Patents
Heat radiator cold and hot impact bench test method based on whole vehicle heat management system Download PDFInfo
- Publication number
- CN112098122A CN112098122A CN202010835482.8A CN202010835482A CN112098122A CN 112098122 A CN112098122 A CN 112098122A CN 202010835482 A CN202010835482 A CN 202010835482A CN 112098122 A CN112098122 A CN 112098122A
- Authority
- CN
- China
- Prior art keywords
- radiator
- vehicle
- test
- test vehicle
- cold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010998 test method Methods 0.000 title claims abstract description 8
- 238000012360 testing method Methods 0.000 claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 238000005057 refrigeration Methods 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 claims description 3
- 230000002528 anti-freeze Effects 0.000 claims description 3
- 239000000356 contaminant Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000010705 motor oil Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 abstract description 5
- 230000035939 shock Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/002—Thermal testing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention belongs to the technical field of automobile function evaluation methods, and particularly relates to a heat radiator cold and hot impact bench test method based on a whole automobile heat management system; put into the environment storehouse with the test car, set up test car air conditioner temperature, set up the temperature in the environment storehouse and the motorway load of chassis dynamometer machine, set up ambient temperature sensor in the environment storehouse, at test car radiator water inlet department, water outlet department and front and back surface set up temperature sensor, be equipped with stress sensor on the radiator, the water inlet and the water outlet department of radiator set up flow sensor, the radiator front surface sets up air velocity transducer, set up speed sensor on the radiator fan support, let the test car go according to different speeds, judge whether up to standard radiator quality according to stress and radiator cold and hot impact frequency, make things convenient for whole car factory to verify the life-span and the risk of radiator under extreme condition in whole car environment storehouse rack test room, improve whole car quality.
Description
Technical Field
The invention belongs to the technical field of automobile function evaluation methods, and particularly relates to a heat radiator cold and hot impact bench test method based on a whole automobile heat management system.
Background
With the rapid development of the joint-venture automobiles and autonomous automobile enterprises, the overall performance and details of the automobiles are improved in an all-around way, and the whole automobile factory evaluates the whole automobile thermal management system more carefully and comprehensively.
The radiator is an important part of a heat management system of the whole vehicle, and has the function of dissipating redundant heat of an engine cylinder body through heat exchange with air in the environment, so that the engine is in an environment with a proper working temperature.
In the test process of a road test, no matter a paraffin type thermostat or a thermal management module is adopted, the radiator is frequently impacted under the conditions of low temperature and high vehicle speed.
However, the radiator performance evaluation method only evaluates the radiator cooling performance, and the consideration of the cooling shock of the passenger car radiator is not comprehensive.
Disclosure of Invention
In order to overcome the problems, the invention provides a heat radiator cold and hot impact bench test method based on a whole vehicle heat management system, which is convenient for a whole vehicle factory to verify the service life and the risk of a heat radiator under extreme conditions in a whole vehicle environment bin bench test room, and improves the quality of a whole vehicle.
A heat radiator cold and hot impact bench test method based on a finished automobile heat management system comprises the following steps:
step one, vehicle inspection and servicing are carried out
Checking the state of the test vehicle to ensure that the tire of the test vehicle is intact, wherein the liquid level of the antifreeze is positioned between the lowest scribed line and the highest scribed line;
setting the air conditioner of the test vehicle to AUTO25 ℃, placing the test vehicle on a chassis dynamometer in an environment bin, and setting the temperature in the environment bin to-10 ℃;
step three, setting the automobile road load of the chassis dynamometer in the environment bin, wherein the automobile road load value is calculated according to the following formula:
in the formula: f is the automobile road load with the unit of N;
CD-an air resistance coefficient;
a-area of vehicle facing the wind, unit m2；
Rho-air density in kg/m3；
V is the running speed of the test vehicle, and the unit is km/h;
f is the friction resistance coefficient, and 0.011 is taken;
m is the maximum mass allowed by the whole vehicle, namely the sum of the self mass of the whole vehicle and the mass of people and objects allowed to be carried by the whole vehicle, and the unit is kg;
g-acceleration of gravity in m/s2。
Fourthly, arranging an environment temperature sensor 1m in front of the test vehicle in the environment bin, wherein the environment temperature sensor is arranged in alignment with the center of an air outlet of a head-on fan in the environment bin;
the water inlet and the water outlet of the test vehicle radiator are respectively provided with a temperature sensor, and the two temperature sensors are respectively used for measuring the temperature of the water inlet of the test vehicle radiator and the temperature of the water outlet of the radiator;
a plurality of temperature sensors are uniformly arranged on the front surface and the rear surface of the radiator of the test vehicle respectively and are used for measuring the air temperature in front of and behind the radiator;
the test vehicle radiator is provided with a plurality of stress sensors for measuring the surface stress of the radiator;
flow sensors are respectively arranged at a water inlet and a water outlet of a radiator of the test vehicle and used for measuring the water inlet flow and the water outlet flow of the radiator;
the front surface of the radiator of the test vehicle is provided with a wind speed sensor for measuring the wind speed in front of the radiator;
a fan bracket of a radiator of a test vehicle is provided with a rotating speed sensor for detecting the rotating speed of a radiator fan;
step five, the test vehicle runs for 1 hour at a constant speed in the environment bin according to the vehicle speeds of 90km/h, 110km/h and 130km/h respectively, the wind speed generated by a head-on fan in the environment bin is consistent with the vehicle speed of the test vehicle, and the change process of the measurement value of each sensor in the step four in the running process of the test vehicle is recorded; if the change process of any one of the sensors except the stress sensor in the running process of the test vehicle does not accord with the predicted change process, stopping the test, and if the change process of each sensor except the stress sensor in the running process of the test vehicle accords with the predicted change process, performing the next step;
and step six, if the surface stress of the radiator measured by any stress sensor in the step four is greater than the maximum stress which can be borne by the radiator, or the cold and hot impact frequency of the radiator is greater than 2 times/minute, or the surface stress of the radiator measured by any stress sensor in the step four is greater than the maximum stress which can be borne by the radiator and the cold and hot impact frequency of the radiator is greater than 2 times/minute, determining that the cold and hot impact bench test of the radiator of the passenger vehicle of the thermal management system of the whole vehicle is unqualified, and the quality of the radiator does not reach the standard.
Said steps ensure that the test vehicle should also meet the following specifications:
a) the loading quality is the maximum loading quality determined by a factory, the loading quality is uniformly distributed, and the loaded objects are firmly fixed;
b) the tire cannot be a snow tire, the cold stamping force of the tire meets the specification of the technical conditions of the vehicle, and the error is between-10 and +10 kPa;
c) the brands and specifications of fuel oil, lubricating oil and brake fluid used by the test vehicle are in accordance with the technical conditions of the vehicle and the current national standard;
d) the sealing performance of the joints of inlet and outlet rubber pipes of an air filter, a turbocharger, an intercooler, an engine, a radiator, an engine oil cooler and a transmission oil cooler is ensured;
e) the engine and the transmission system ensure no lubricating oil leakage;
f) the exhaust system of the vehicle ensures no leakage;
g) correcting the bent radiator fins and removing contaminants whose surfaces impede the flow of air;
h) the air-conditioning refrigeration system can normally refrigerate;
i) the radiator fan status and control logic can operate normally as required by the vehicle design.
And in the fourth step, temperature sensors are arranged at the water flow center of the water inlet of the radiator of the vehicle and the water flow center of the water outlet of the radiator.
In the sixth step, the cold and hot impact frequency of the radiator refers to the number of effective fluctuation in unit time, wherein the effective fluctuation refers to: in the primary water temperature circulation fluctuation of the water inlet and the water outlet of the radiator, the difference value between the wave peak value and the wave trough value of the water temperature at the water inlet of the radiator is more than 20 ℃, or the difference value between the wave peak value and the wave trough value of the water temperature at the water outlet of the radiator is also more than 20 ℃, and the fluctuation is recorded as primary effective fluctuation.
The invention has the beneficial effects that:
the method not only supplements the method for the rack test of the radiator of the passenger car of the whole car heat management system, but also fills the blank of the evaluation method of the cold and hot shock of the radiator.
The influence of the cold and hot impact of the radiator on the radiator in the whole vehicle state is verified on the rack, on one hand, the dangerous working conditions of cold and hot restarting of the road radiator are equalized on the rack, the research and development cost is saved, the test risk is reduced, the verification can be performed no matter at any time or in any weather, and the test period is ensured; on the other hand, the influence of the cold and hot impact of the radiator on the radiator is verified through the whole vehicle, and the test is more representative and explanatory than the test that the cold and hot impact of the radiator is only carried out by the rack, so that the risk possibly generated by an actual user under the dangerous working condition is better evaluated, and the quality of the vehicle is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic view of a temperature sensor arrangement provided on the front surface of a radiator of a test vehicle.
FIG. 2 is a schematic diagram of a stress sensor arrangement provided on the front surface of a radiator of a test vehicle.
Wherein: 1, a radiator; 2 a temperature sensor; and 3, a stress sensor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
A heat radiator cold and hot impact bench test method based on a finished automobile heat management system comprises the following steps:
step one, vehicle inspection and servicing are carried out
Checking the state of the test vehicle to ensure that the tire of the test vehicle is intact, wherein the liquid level of the antifreeze is positioned between the lowest scribed line and the highest scribed line;
setting the air conditioner of the test vehicle to AUTO25 ℃, placing the test vehicle on a chassis dynamometer in an environment bin, and setting the temperature in the environment bin to-10 ℃;
step three, setting the automobile road load of the chassis dynamometer in the environment bin, wherein the automobile road load value is calculated according to the following formula:
in the formula: f is the automobile road load with the unit of N;
CDair resistance coefficient (dimensionless value);
a-area of vehicle facing the wind, unit m2；
Rho-air density in kg/m3；
V is the running speed of the test vehicle, and the unit is km/h;
f is the coefficient of friction resistance (dimensionless value), which is 0.011;
m is the maximum mass allowed by the whole train, namely the sum of the self mass of the whole train and the mass of people and objects allowed to be carried by the whole train (if the train can be towed, the maximum designed total mass of the train is obtained), and the unit is kg;
g-acceleration of gravity in m/s2(ii) a The Changchun region is 9.8066m/s2。
Fourthly, arranging an environment temperature sensor 1m in front of the test vehicle in the environment bin, wherein the environment temperature sensor is arranged in alignment with the center of an air outlet of a head-on fan in the environment bin;
temperature sensors are arranged at the water flow center of the water inlet of the test vehicle radiator and the water flow center of the water outlet of the radiator, and the two temperature sensors are respectively used for measuring the temperature of the water inlet of the test vehicle radiator and the temperature of the water outlet of the radiator;
a plurality of temperature sensors are uniformly arranged on the front surface and the rear surface of the radiator of the test vehicle respectively and are used for measuring the air temperature in front of and behind the radiator;
the test vehicle radiator is provided with a plurality of stress sensors for measuring the surface stress of the radiator;
flow sensors are respectively arranged at a water inlet and a water outlet of a radiator of the test vehicle and used for measuring the water inlet flow and the water outlet flow of the radiator;
the front surface of the radiator of the test vehicle is provided with a wind speed sensor for measuring the wind speed in front of the radiator;
a fan bracket of a radiator of a test vehicle is provided with a rotating speed sensor for detecting the rotating speed of a radiator fan;
step five, the test vehicle runs at a constant speed for 1 hour according to the speed D of 90km/h, 110km/h and 130km/h or a proper gear, the wind speed generated by a head-on fan in the environmental chamber is consistent with the speed of the test vehicle, and the change process of the measurement value of each sensor in the step four in the running process of the test vehicle is recorded; if the change process of any one of the sensors except the stress sensor in the running process of the test vehicle does not accord with the predicted change process, stopping the test, and if the change process of each sensor except the stress sensor in the running process of the test vehicle accords with the predicted change process, performing the next step; all the sensors except the stress sensor are used for assisting in detecting whether the test vehicle state (thermal management strategy) is normal or not;
and step six, if the surface stress of the radiator measured by any stress sensor in the step four is greater than the maximum stress which can be borne by the radiator, or the cold and hot impact frequency of the radiator is greater than 2 times/minute, or the surface stress of the radiator measured by any stress sensor in the step four is greater than the maximum stress which can be borne by the radiator and the cold and hot impact frequency of the radiator is greater than 2 times/minute, determining that the cold and hot impact bench test of the radiator of the passenger vehicle of the thermal management system of the whole vehicle is unqualified, and the quality of the radiator does not reach the standard.
Said steps ensure that the test vehicle should also meet the following specifications:
j) the loading quality is the maximum loading quality determined by a factory, the loading quality is uniformly distributed, and the loaded objects are firmly fixed;
k) the tire cannot be a snow tire, the cold stamping force of the tire meets the specification of the technical conditions of the vehicle, and the error is between-10 and +10 kPa;
l) the brands and specifications of fuel oil, lubricating oil and brake fluid used by the test vehicle should meet the technical conditions of the vehicle and the current national standard;
m) ensuring the sealing performance of the joints of the inlet and outlet rubber pipes of the air filter, the turbocharger, the intercooler, the engine, the radiator, the engine oil cooler and the transmission oil cooler;
n) the engine and transmission system ensure no leakage of lubricating oil;
o) the exhaust system of the vehicle ensures no leakage;
p) correcting the bent radiator fins and removing contaminants whose surfaces impede the flow of air;
q) the air-conditioning refrigeration system can normally perform refrigeration work;
r) radiator fan status and control logic can operate normally as required by the vehicle design.
And in the fourth step, temperature sensors are arranged at the water flow center of the water inlet of the radiator of the vehicle and the water flow center of the water outlet of the radiator.
In the sixth step, the cold and hot impact frequency of the radiator refers to the number of effective fluctuation in unit time, wherein the effective fluctuation refers to: in the primary water temperature circulation fluctuation of the water inlet and the water outlet of the radiator, the difference value between the wave peak value and the wave trough value of the water temperature at the water inlet of the radiator is more than 20 ℃, or the difference value between the wave peak value and the wave trough value of the water temperature at the water outlet of the radiator is also more than 20 ℃, and the fluctuation is recorded as primary effective fluctuation.
And if the actual service life of the radiator is far shorter than the calculated service life, the cold and heat impact bench test of the passenger vehicle radiator in the whole vehicle heat management system is determined to be unqualified.
The whole vehicle heat management system is an engine cooling water circulation system of a vehicle, and the method is characterized in that on the basis, an evaluation method after a bench test is carried out comprises two aspects of stress and cold and hot impact frequency. See if the thermal management system would cause thermal shock damage to the heat sink.
The invention verifies the radiator of the whole vehicle management system through the rack;
the invention is uniformly provided with three temperature sensors 2 on the front surface and the rear surface of a radiator 1 of a test vehicle respectively, and the position shown in figure 1 is special and has the best effect; ,
the present invention is particularly and effectively implemented by providing eight stress sensors 3 on the radiator 1 of a test vehicle, the positions of which are shown in fig. 2.
Although the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the scope of the present invention is not limited to the specific details of the above embodiments, and any person skilled in the art can substitute or change the technical solution of the present invention and its inventive concept within the technical scope of the present invention, and these simple modifications belong to the scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (4)
1. A heat radiator cold and hot impact bench test method based on a finished automobile heat management system is characterized by comprising the following steps:
step one, vehicle inspection and servicing are carried out
Checking the state of the test vehicle to ensure that the tire of the test vehicle is intact, wherein the liquid level of the antifreeze is positioned between the lowest scribed line and the highest scribed line;
setting the air conditioner of the test vehicle to AUTO25 ℃, placing the test vehicle on a chassis dynamometer in an environment bin, and setting the temperature in the environment bin to-10 ℃;
step three, setting the automobile road load of the chassis dynamometer in the environment bin, wherein the automobile road load value is calculated according to the following formula:
in the formula: f is the automobile road load with the unit of N;
CD-an air resistance coefficient;
a-area of vehicle facing the wind, unit m2；
Rho-air density in kg/m3；
V is the running speed of the test vehicle, and the unit is km/h;
f is the friction resistance coefficient, and 0.011 is taken;
m is the maximum mass allowed by the whole vehicle, namely the sum of the self mass of the whole vehicle and the mass of people and objects allowed to be carried by the whole vehicle, and the unit is kg;
g-acceleration of gravity in m/s2。
Fourthly, arranging an environment temperature sensor 1m in front of the test vehicle in the environment bin, wherein the environment temperature sensor is arranged in alignment with the center of an air outlet of a head-on fan in the environment bin;
the water inlet and the water outlet of the test vehicle radiator are respectively provided with a temperature sensor, and the two temperature sensors are respectively used for measuring the temperature of the water inlet of the test vehicle radiator and the temperature of the water outlet of the radiator;
a plurality of temperature sensors are uniformly arranged on the front surface and the rear surface of the radiator of the test vehicle respectively and are used for measuring the air temperature in front of and behind the radiator;
the test vehicle radiator is provided with a plurality of stress sensors for measuring the surface stress of the radiator;
flow sensors are respectively arranged at a water inlet and a water outlet of a radiator of the test vehicle and used for measuring the water inlet flow and the water outlet flow of the radiator;
the front surface of the radiator of the test vehicle is provided with a wind speed sensor for measuring the wind speed in front of the radiator;
a fan bracket of a radiator of a test vehicle is provided with a rotating speed sensor for detecting the rotating speed of a radiator fan;
step five, the test vehicle runs for 1 hour at a constant speed according to the vehicle speeds of 90km/h, 110km/h and 130km/h respectively, the wind speed generated by a head-on fan in the environmental chamber is consistent with the vehicle speed of the test vehicle, and the change process of the measurement value of each sensor in the step four in the running process of the test vehicle is recorded; if the change process of any one of the sensors except the stress sensor in the running process of the test vehicle does not accord with the predicted change process, stopping the test, and if the change process of each sensor except the stress sensor in the running process of the test vehicle accords with the predicted change process, performing the next step;
and step six, if the surface stress of the radiator measured by any stress sensor in the step four is greater than the maximum stress which can be borne by the radiator, or the cold and hot impact frequency of the radiator is greater than 2 times/minute, or the surface stress of the radiator measured by any stress sensor in the step four is greater than the maximum stress which can be borne by the radiator and the cold and hot impact frequency of the radiator is greater than 2 times/minute, determining that the cold and hot impact bench test of the radiator of the passenger vehicle of the thermal management system of the whole vehicle is unqualified, and the quality of the radiator does not reach the standard.
2. The method for testing the cold and hot impact bench of the radiator based on the whole vehicle thermal management system as claimed in claim 1, wherein the step one is to ensure that the test vehicle should meet the following technical requirements:
a) the loading quality is the maximum loading quality determined by a factory, the loading quality is uniformly distributed, and the loaded objects are firmly fixed;
b) the tire cannot be a snow tire, the cold stamping force of the tire meets the specification of the technical conditions of the vehicle, and the error is between-10 and +10 kPa;
c) the brands and specifications of fuel oil, lubricating oil and brake fluid used by the test vehicle are in accordance with the technical conditions of the vehicle and the current national standard;
d) the sealing performance of the joints of inlet and outlet rubber pipes of an air filter, a turbocharger, an intercooler, an engine, a radiator, an engine oil cooler and a transmission oil cooler is ensured;
e) the engine and the transmission system ensure no lubricating oil leakage;
f) the exhaust system of the vehicle ensures no leakage;
g) correcting the bent radiator fins and removing contaminants whose surfaces impede the flow of air;
h) the air-conditioning refrigeration system can normally refrigerate;
i) the radiator fan status and control logic can operate normally as required by the vehicle design.
3. The method for testing the cold and hot impact bench of the radiator based on the whole vehicle thermal management system as claimed in claim 2, wherein the water flow centers of the water inlet and the water outlet of the radiator of the vehicle tested in the fourth step are both provided with temperature sensors.
4. The method for testing the cold and hot impact rack of the radiator based on the finished automobile thermal management system according to claim 3, wherein the cold and hot impact frequency of the radiator in the sixth step refers to the number of effective fluctuation in unit time, wherein the effective fluctuation refers to: in the primary water temperature circulation fluctuation of the water inlet and the water outlet of the radiator, the difference value between the wave peak value and the wave trough value of the water temperature at the water inlet of the radiator is more than 20 ℃, or the difference value between the wave peak value and the wave trough value of the water temperature at the water outlet of the radiator is also more than 20 ℃, and the fluctuation is recorded as primary effective fluctuation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010835482.8A CN112098122B (en) | 2020-08-19 | 2020-08-19 | Heat radiator cold and hot impact bench test method based on whole vehicle heat management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010835482.8A CN112098122B (en) | 2020-08-19 | 2020-08-19 | Heat radiator cold and hot impact bench test method based on whole vehicle heat management system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112098122A true CN112098122A (en) | 2020-12-18 |
| CN112098122B CN112098122B (en) | 2022-06-17 |
Family
ID=73753958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010835482.8A Active CN112098122B (en) | 2020-08-19 | 2020-08-19 | Heat radiator cold and hot impact bench test method based on whole vehicle heat management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112098122B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295430A (en) * | 2021-05-11 | 2021-08-24 | 中国第一汽车股份有限公司 | Whole vehicle rack test method for verifying performance of air-cooled intercooler of passenger vehicle |
| CN113324766A (en) * | 2021-05-28 | 2021-08-31 | 一汽解放青岛汽车有限公司 | Simulation method and system for whole vehicle road test of intercooler |
| CN114184405A (en) * | 2021-11-29 | 2022-03-15 | 重庆长安汽车股份有限公司 | Method and system for evaluating thermal strain fatigue life of automobile radiator assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203101057U (en) * | 2013-02-02 | 2013-07-31 | 中国重汽集团济南动力有限公司 | Novel cold and hot impact test device of diesel engine |
| KR101425407B1 (en) * | 2013-01-25 | 2014-08-01 | 한국기계연구원 | Thermal shock fatigue testing apparatus for radiator tester for automobile |
| CN204788866U (en) * | 2015-08-07 | 2015-11-18 | 山东厚丰汽车散热器有限公司 | A cold and hot impact and device of nai vibration test for auto radiator |
| CN105841936A (en) * | 2016-03-23 | 2016-08-10 | 潍柴动力股份有限公司 | Thermostat cold and heat impact test system |
| CN108088692A (en) * | 2016-11-23 | 2018-05-29 | 上海汽车集团股份有限公司 | A kind of thermal shock test method of radiator, apparatus and system |
| CN109900483A (en) * | 2017-12-10 | 2019-06-18 | 湘潭智联技术转移促进有限责任公司 | A kind of automobile on-line detecting system |
-
2020
- 2020-08-19 CN CN202010835482.8A patent/CN112098122B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101425407B1 (en) * | 2013-01-25 | 2014-08-01 | 한국기계연구원 | Thermal shock fatigue testing apparatus for radiator tester for automobile |
| CN203101057U (en) * | 2013-02-02 | 2013-07-31 | 中国重汽集团济南动力有限公司 | Novel cold and hot impact test device of diesel engine |
| CN204788866U (en) * | 2015-08-07 | 2015-11-18 | 山东厚丰汽车散热器有限公司 | A cold and hot impact and device of nai vibration test for auto radiator |
| CN105841936A (en) * | 2016-03-23 | 2016-08-10 | 潍柴动力股份有限公司 | Thermostat cold and heat impact test system |
| CN108088692A (en) * | 2016-11-23 | 2018-05-29 | 上海汽车集团股份有限公司 | A kind of thermal shock test method of radiator, apparatus and system |
| CN109900483A (en) * | 2017-12-10 | 2019-06-18 | 湘潭智联技术转移促进有限责任公司 | A kind of automobile on-line detecting system |
Non-Patent Citations (1)
| Title |
|---|
| 张晓萍等: "基于冷热冲击性能的新型散热器主片设计和优化", 《现代车用动力》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295430A (en) * | 2021-05-11 | 2021-08-24 | 中国第一汽车股份有限公司 | Whole vehicle rack test method for verifying performance of air-cooled intercooler of passenger vehicle |
| CN113324766A (en) * | 2021-05-28 | 2021-08-31 | 一汽解放青岛汽车有限公司 | Simulation method and system for whole vehicle road test of intercooler |
| CN114184405A (en) * | 2021-11-29 | 2022-03-15 | 重庆长安汽车股份有限公司 | Method and system for evaluating thermal strain fatigue life of automobile radiator assembly |
| CN114184405B (en) * | 2021-11-29 | 2023-06-16 | 重庆长安汽车股份有限公司 | Assessment method and system for thermal strain fatigue life of automobile radiator assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112098122B (en) | 2022-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112098122B (en) | Heat radiator cold and hot impact bench test method based on whole vehicle heat management system | |
| Marshall et al. | Thermal management of vehicle cabins, external surfaces, and onboard electronics: An overview | |
| CN202083544U (en) | Test device for engine thermal management system | |
| CN103499448B (en) | A kind of Engine Heat Balance performance engine bench test device and method | |
| CN102230847A (en) | Test device for engine thermal management system | |
| CN108507763B (en) | Thermostat fault active diagnosis method and system | |
| CN113029626B (en) | Test method for pure electric vehicle air conditioner refrigeration performance rack | |
| CN104180997A (en) | Indoor testing device and method for vehicle heat balance ability | |
| CN105489967A (en) | Battery pack radiating apparatus, system and method for electric vehicle | |
| CN107701294B (en) | The diagnostic method and system of thermostat failure | |
| CN112214832A (en) | Method for verifying multi-temperature-zone function of automatic air conditioner of whole vehicle and temperature control of driving cabin | |
| Saab et al. | Impact of the underhood opening area on the drag coefficient and the thermal performance of a vehicle | |
| CN111005798A (en) | Fan motor rotating speed accurate control method based on heat dissipation capacity | |
| CN113295430A (en) | Whole vehicle rack test method for verifying performance of air-cooled intercooler of passenger vehicle | |
| CN103728129A (en) | AT transmission oil temperature test method | |
| CN110132614A (en) | The experimental rig and its method that a kind of automatic transmission influences vehicle thermal balance | |
| KR20100046974A (en) | Air conditioning control method for vehicle | |
| CN114595520A (en) | Simulation arrangement structure and analysis method for gearbox cooling system | |
| Tian | Fuel Efficiency Technology Impact on Radiator Thermal Durability | |
| CN113267272B (en) | Method for determining maximum environment temperature of opening and exiting of radiator and application | |
| CN110750089A (en) | Performance judgment method for motor controller of test system | |
| Ninoyu et al. | Prediction method of cooling system performance | |
| Peuvrier et al. | Development of compact cooling system (SLIM) | |
| Regin | A numerical analysis on air-cooling performance of passenger cars | |
| Jaybhay et al. | 1D Simulation Accuracy Enhancement for Predicting Powertrain Cooling System Performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231218 Address after: No.1, xinhongqi street, automobile economic and Technological Development Zone, Changchun, Jilin Province Patentee after: China Faw Co.,Ltd. Patentee after: CHANGCHUN AUTOMOTIVE TEST CENTER Co.,Ltd. Address before: 130011 No.1, xinhongqi street, Changchun automobile economic and Technological Development Zone, Changchun City, Jilin Province Patentee before: China Faw Co.,Ltd. |
|
| TR01 | Transfer of patent right |