CN117249913B - Automobile hub bearing temperature monitoring alarm system - Google Patents
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Abstract
The invention discloses an automobile hub bearing temperature monitoring alarm system, which relates to the technical field of vehicle component temperature monitoring.
Description
Technical Field
The invention relates to the technical field of vehicle component temperature monitoring, in particular to an automobile hub bearing temperature monitoring alarm system.
Background
With the continuous improvement of the safety and reliability requirements of automobiles, the monitoring of the temperature of the hub bearing becomes an important technical requirement, and the automobile hub bearing temperature monitoring alarm system can timely detect the temperature abnormality of the hub bearing, prevent bearing faults and accidents, ensure the safety of drivers and passengers, and become an important component in intelligent driving and vehicle health monitoring along with the development of automobile intellectualization and automation. Meanwhile, with the popularization of electric vehicles, the hub bearing temperature detection system has important significance for the safety and the service life of electric vehicle motors and batteries, so that the automobile hub bearing temperature detection system has wide market prospect and is widely applied and developed in the future.
At present, an automobile hub bearing temperature monitoring alarm system mainly monitors the temperature of an automobile hub bearing directly by installing a temperature sensor, and the monitoring mode has the following problems: 1. the temperature sensor is used for directly monitoring the temperature change of the automobile hub bearing, and as the temperature of the automobile hub bearing is affected by various factors, such as the ambient temperature, the tire pressure and the bearing lubricating oil concentration, the temperature of the automobile hub bearing is directly monitored, and alarming prompt is carried out, so that the specific reason of the temperature change of the bearing cannot be represented, false alarming can occur or the real abnormal condition of the temperature of the hub bearing cannot be timely detected, the driver can lose trust of alarming information, or the processing of bearing faults is delayed.
2. Because the influence of ambient temperature needs to be considered in monitoring the temperature change of automobile hub bearing, when ambient temperature is higher, automobile hub bearing's temperature also can rise along with it, and high temperature environment can reduce hub bearing's radiating rate for hub bearing temperature is more difficult to reduce, and when ambient temperature is lower, automobile hub bearing's temperature also can correspondingly drop, and low temperature environment helps accelerating hub bearing's radiating rate, is favorable to hub bearing's reduction in temperature, does not consider the influence of ambient temperature and can lead to automobile hub bearing temperature monitoring result's accuracy.
Disclosure of Invention
The invention aims to provide an automobile hub bearing temperature monitoring and alarming system which solves the problems existing in the background technology.
In order to solve the technical problems, the invention adopts the following technical scheme: the invention provides an automobile hub bearing temperature monitoring and alarming system, which comprises a bearing detection module, a control module and a control module, wherein the bearing detection module is used for acquiring hub load information corresponding to an automobile target hub bearing from a vehicle management manual, analyzing and obtaining a bearing load coefficient corresponding to the automobile target hub bearing according to the hub information corresponding to the automobile target hub bearing, further judging whether the load capacity corresponding to the automobile target hub bearing meets the set requirement of the load capacity corresponding to the automobile hub bearing, and if the load capacity is insufficient, marking the automobile target hub bearing as an automobile hub bearing to be detected;
the bearing data analysis module is used for analyzing and obtaining a temperature change coefficient corresponding to the automobile hub bearing to be detected according to the temperature, the tire pressure and the bearing lubricating oil concentration of the protection frame corresponding to each acquisition time point of the automobile hub bearing to be detected;
the historical data analysis module is used for acquiring the highest temperature corresponding to the automobile hub bearing to be detected, extracting the corresponding braking times when the automobile to be detected runs, and acquiring historical temperature change data corresponding to the automobile hub bearing from the automobile management system, so that the temperature state evaluation coefficient corresponding to the automobile hub bearing to be detected is obtained through calculation;
the comprehensive analysis module is used for collecting the corresponding environmental parameters when the automobile to be detected is driven, further analyzing and obtaining the corresponding environmental influence factors when the automobile to be detected is driven, comprehensively analyzing and obtaining the corresponding comprehensive temperature coincidence coefficient of the automobile hub bearing to be detected according to the corresponding temperature state evaluation coefficient of the automobile hub bearing to be detected, and further judging the corresponding temperature state of the automobile hub bearing to be detected;
and the early warning terminal is used for carrying out early warning prompt when the temperature state corresponding to the automobile hub bearing to be detected is in an abnormal state.
Preferably, the analysis obtains the bearing load coefficient corresponding to each automobile target hub bearing, and the specific analysis process is as follows: the hub load information corresponding to the automobile target hub bearing comprises dynamic load, static load and equivalent load;
by calculation formulaObtaining the bearing load coefficient corresponding to each automobile target hub bearing>Wherein->、/>、/>Respectively representing the dynamic load, the static load and the equivalent load corresponding to the ith automobile target hub bearing,/>、/>、/>Respectively, a set standard load, a standard static load and a standard equivalent load, < >>、/>、/>Respectively, the set allowable dynamic load difference, allowable static load difference and allowable equivalent load difference, +.>、/>、/>Respectively set weighting factors corresponding to dynamic load, static load and equivalent load.
Preferably, the determining whether the load capacity corresponding to the target hub bearing of the automobile meets the set requirement of the load capacity corresponding to the hub bearing of the automobile includes the following specific determining process: and comparing the bearing load coefficient corresponding to the target automobile hub bearing with a set bearing load coefficient standard interval corresponding to the automobile hub bearing, if the bearing load coefficient corresponding to each automobile target hub bearing is not in the set bearing load coefficient standard interval corresponding to the automobile hub bearing, judging that the load capacity corresponding to the hub bearing of the target automobile is insufficient, and if the bearing load coefficient corresponding to each automobile target hub bearing is in the set bearing load coefficient standard interval corresponding to the automobile hub bearing, judging that the load capacity corresponding to the automobile target hub bearing is met.
Preferably, the analysis obtains a temperature change coefficient corresponding to the automobile hub bearing to be detected, and the specific analysis process is as follows: substituting the temperature of the protection frame, the tire pressure and the concentration of the bearing lubricating oil corresponding to each acquisition time point of the automobile hub bearing to be detected into a calculation formulaObtaining the temperature change coefficient corresponding to the automobile hub bearing to be detected>Wherein->、/>、/>Respectively representing the temperature of the protection frame, the tire pressure and the concentration of bearing lubricating oil corresponding to the t collecting time point, and the +.>、/>、/>Respectively representing the temperature of a protection frame, the tire pressure and the concentration of bearing lubricating oil corresponding to the t-1 collecting time point, wherein t is the number corresponding to each collecting time point, t=1, 2, m is any integer greater than 2>、/>、/>Respectively, the set allowable protection frame temperature difference, allowable tyre pressure difference and allowable bearing lubricating oil concentration difference,/>、/>、/>Respectively set weight factors corresponding to the temperature of the protection frame, the tire pressure and the bearing lubricating oil concentration.
Preferably, the calculating obtains a temperature state evaluation coefficient corresponding to the automobile hub bearing to be detected, and the specific calculating process is as follows: according to the historical temperature change data corresponding to the automobile hub bearing, the historical temperature change data comprises the highest temperature of the historical automobile hub bearing, and according to the temperature change coefficient corresponding to the automobile hub bearing to be detected and the corresponding braking frequency when the automobile to be detected runs, a calculation formula is adoptedObtaining a temperature state evaluation coefficient corresponding to the automobile hub bearing to be detected>Wherein->、/>、/>Respectively representing the highest temperature corresponding to the automobile hub bearing to be detected, the temperature change coefficient corresponding to the automobile hub bearing to be detected, and the corresponding brake times when the automobile to be detected runs, < >>、/>、/>Respectively set historical automobile hub bearing highest temperature, reasonable temperature change coefficient, reasonable historical brake times and +.>、/>、/>Respectively set weight factors corresponding to the highest temperature, the temperature change coefficient and the braking frequency.
Preferably, the analysis obtains the corresponding environmental impact factor when the automobile to be detected is driven, and the specific analysis process is as follows: acquiring corresponding environmental parameters including corresponding environmental temperature and corresponding environmental humidity at each acquisition time point when the automobile to be detected is driven, and substituting the environmental temperature and the air humidity into a calculation formulaObtaining corresponding environmental influence factors when the automobile to be detected is driven>T is the number corresponding to each acquisition time point, t=1, 2, once again, m is any integer greater than 2, wherein m is any integer greater than 2、/>Respectively expressed as the ambient temperature, the air humidity and the +.>、/>Respectively representing the corresponding ambient temperature, air humidity and +.>、/>Respectively, a set allowable ambient temperature difference, an allowable air humidity difference, < ->、/>And respectively setting weight factors corresponding to the ambient temperature and the air humidity.
Preferably, the comprehensive analysis obtains a comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected, and the specific analysis process is as follows: substituting a temperature state evaluation coefficient corresponding to the automobile hub bearing to be detected and an environmental impact factor corresponding to the automobile to be detected when the automobile to be detected is driven into a calculation formulaObtaining the comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected>Wherein->And evaluating the correction factor corresponding to the coefficient for the set temperature state.
Preferably, the judging the temperature state corresponding to the automobile hub bearing to be detected specifically comprises the following steps: and comparing the comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected with the standard comprehensive temperature coincidence coefficient corresponding to the set automobile hub bearing, if the comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected is in the standard comprehensive temperature coincidence coefficient interval corresponding to the set automobile hub bearing, judging that the temperature state corresponding to the automobile hub bearing to be detected is normal, and if the comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected is not in the standard comprehensive temperature coincidence coefficient interval corresponding to the set automobile hub bearing, judging that the temperature corresponding to the automobile hub bearing to be detected is abnormal.
The invention has the beneficial effects that: 1. according to the automobile hub bearing temperature monitoring alarm system provided by the invention, the bearing load coefficient corresponding to the automobile target hub bearing is analyzed, the load capacity of the automobile hub bearing is judged, so that the automobile hub bearing to be detected is obtained, the influence on the monitoring result due to the bearing quality problem is avoided, the temperature of the protection frame corresponding to the automobile hub, the tire pressure, the bearing lubricating oil concentration, the corresponding brake times when the automobile runs, the corresponding highest temperature of the automobile hub bearing and the historical temperature change data are analyzed, the temperature change coefficient, the temperature state evaluation coefficient and the temperature state evaluation coefficient are obtained, the temperature change mode and trend can be obtained, the occurrence and the reason of the temperature abnormal event can be revealed through the analysis of the historical temperature change data, and the fault mode related to the temperature abnormality can be identified through the comparison and the analysis of the temperature change abnormal event.
2. Through the comprehensive analysis of the environmental temperature, the monitoring system can more accurately judge whether the temperature of the hub bearing exceeds the normal range and timely send out accurate early warning, so that more reliable protection is provided, the monitoring system can combine the environmental temperature information with the temperature data of the hub bearing, more comprehensive information and analysis are provided, vehicle maintenance personnel can know the working condition of the hub bearing under different environmental conditions, and corresponding maintenance measures are adopted.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the system structure of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an automobile hub bearing temperature monitoring alarm system includes: the device comprises a bearing detection module, a bearing data analysis module, a historical data analysis module, a comprehensive analysis module and an early warning terminal.
The bearing detection module is connected with the bearing data analysis module, the bearing data analysis module is connected with the historical data analysis module, the historical data analysis module is connected with the comprehensive analysis module, and the comprehensive analysis module is connected with the early warning terminal.
The bearing detection module is used for acquiring the hub load information corresponding to the automobile target hub bearing from the vehicle management manual, analyzing the bearing load coefficient corresponding to the automobile target hub bearing according to the hub information corresponding to the automobile target hub bearing, further judging whether the load capacity corresponding to the automobile target hub bearing meets the set requirement of the load capacity corresponding to the automobile hub bearing, and if the load capacity is insufficient, marking the automobile target hub bearing as the automobile hub bearing to be detected;
in a specific embodiment, the analysis obtains the bearing load coefficient corresponding to each automobile target hub bearing, and the specific analysis process is as follows: the hub load information corresponding to the automobile target hub bearing comprises dynamic load, static load and equivalent load;
by calculation formulaObtaining the bearing load coefficient corresponding to each automobile target hub bearing>Wherein->、/>、/>Respectively representing the dynamic load, the static load and the equivalent load corresponding to the ith automobile target hub bearing,/>、/>、/>Respectively, a set standard load, a standard static load and a standard equivalent load, < >>、/>、/>Respectively, the set allowable dynamic load difference, allowable static load difference and allowable equivalent load difference, +.>、/>、/>Respectively set weighting factors corresponding to dynamic load, static load and equivalent load.
It should be noted that the number of the substrates,、/>、/>the values are all more than 0 and less than 1.
In a specific embodiment, the determining whether the load capacity corresponding to the target hub bearing of the automobile meets the set requirement of the load capacity corresponding to the hub bearing of the automobile includes the following specific determining process: and comparing the bearing load coefficient corresponding to the target automobile hub bearing with a set bearing load coefficient standard interval corresponding to the automobile hub bearing, if the bearing load coefficient corresponding to each automobile target hub bearing is not in the set bearing load coefficient standard interval corresponding to the automobile hub bearing, judging that the load capacity corresponding to the hub bearing of the target automobile is insufficient, and if the bearing load coefficient corresponding to each automobile target hub bearing is in the set bearing load coefficient standard interval corresponding to the automobile hub bearing, judging that the load capacity corresponding to the automobile target hub bearing is met.
The bearing data analysis module is used for analyzing and obtaining a temperature change coefficient corresponding to the automobile hub bearing to be detected according to the temperature, the tire pressure and the bearing lubricating oil concentration of the protection frame corresponding to each acquisition time point of the automobile hub bearing to be detected;
in a specific embodiment, the analysis obtains a temperature change coefficient corresponding to the automobile hub bearing to be detected, and the specific analysis process is as follows: substituting the temperature of the protection frame, the tire pressure and the concentration of the bearing lubricating oil corresponding to each acquisition time point of the automobile hub bearing to be detected into a calculation formulaObtaining the temperature change coefficient corresponding to the automobile hub bearing to be detected>Wherein->、/>、/>Respectively representing the temperature of the protection frame, the tire pressure and the concentration of bearing lubricating oil corresponding to the t collecting time point, and the +.>、/>、/>Respectively representing the temperature of a protection frame, the tire pressure and the concentration of bearing lubricating oil corresponding to the t-1 collecting time point, wherein t is the number corresponding to each collecting time point, t=1, 2, m is any integer greater than 2>、/>、/>Respectively, the set allowable protection frame temperature difference, allowable tyre pressure difference and allowable bearing lubricating oil concentration difference,/>、/>、/>Respectively set weight factors corresponding to the temperature of the protection frame, the tire pressure and the bearing lubricating oil concentration.
It should be noted that the number of the substrates,、/>、/>the values are all more than 0 and less than 1.
The historical data analysis module is used for acquiring the highest temperature corresponding to the automobile hub bearing to be detected, extracting the corresponding braking times when the automobile to be detected runs, and acquiring historical temperature change data corresponding to the automobile hub bearing from the automobile management system, so that the temperature state evaluation coefficient corresponding to the automobile hub bearing to be detected is obtained through calculation;
in a specific embodiment, the calculating obtains a temperature state evaluation coefficient corresponding to the automobile hub bearing to be detected, and the specific calculating process is as follows: according to the historical temperature change data corresponding to the automobile hub bearing, the historical temperature change data comprises the highest temperature of the historical automobile hub bearing, and according to the temperature change coefficient corresponding to the automobile hub bearing to be detected and the corresponding braking frequency when the automobile to be detected runs, a calculation formula is adoptedObtaining a temperature state evaluation coefficient corresponding to the automobile hub bearing to be detected>Wherein->、/>、/>Respectively representing the highest temperature corresponding to the automobile hub bearing to be detected, the temperature change coefficient corresponding to the automobile hub bearing to be detected, and the corresponding brake times when the automobile to be detected runs, < >>、/>、/>Respectively set historical automobile hub bearing highest temperature, reasonable temperature change coefficient, reasonable historical brake times and +.>、/>、/>Respectively set weight factors corresponding to the highest temperature, the temperature change coefficient and the braking frequency.
It should be noted that the number of the substrates,、/>、/>the values are all more than 0 and less than 1.
The comprehensive analysis module is used for collecting the corresponding environmental parameters when the automobile to be detected is driven, further analyzing and obtaining the corresponding environmental influence factors when the automobile to be detected is driven, comprehensively analyzing and obtaining the corresponding comprehensive temperature coincidence coefficient of the automobile hub bearing to be detected according to the corresponding temperature state evaluation coefficient of the automobile hub bearing to be detected, and further judging the corresponding temperature state of the automobile hub bearing to be detected;
in a specific embodiment, the analysis obtains the corresponding environmental impact factor when the automobile to be detected is driven, and the specific analysis process is as follows: acquiring corresponding environmental parameters including corresponding environmental temperature and corresponding environmental humidity at each acquisition time point when the automobile to be detected is driven, and substituting the environmental temperature and the air humidity into a calculation formulaObtainingCorresponding environmental influencing factors +.>T is the number corresponding to each acquisition time point, t=1, 2, once again, m is any integer greater than 2, wherein m is any integer greater than 2、/>Respectively expressed as the ambient temperature, the air humidity and the +.>、/>Respectively representing the corresponding ambient temperature, air humidity and +.>、/>Respectively, a set allowable ambient temperature difference, an allowable air humidity difference, < ->、/>And respectively setting weight factors corresponding to the ambient temperature and the air humidity.
In a specific embodiment, the comprehensive analysis obtains a comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected, and the specific analysis process is as follows: substituting a temperature state evaluation coefficient corresponding to the automobile hub bearing to be detected and an environmental impact factor corresponding to the automobile to be detected when the automobile to be detected is driven into a calculation formulaObtaining the comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected>Wherein->And evaluating the correction factor corresponding to the coefficient for the set temperature state.
It should be noted that the temperature and humidity detector is used for monitoring the corresponding environmental temperature and humidity of the automobile to be detected,、/>the values of (2) are all more than 0 and less than 1 +.>The range of the value of (2) is more than 0 and less than or equal to 1.
In a specific embodiment, the determining the temperature state corresponding to the automobile hub bearing to be detected specifically includes the following steps: and comparing the comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected with the standard comprehensive temperature coincidence coefficient corresponding to the set automobile hub bearing, if the comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected is in the standard comprehensive temperature coincidence coefficient interval corresponding to the set automobile hub bearing, judging that the temperature state corresponding to the automobile hub bearing to be detected is normal, and if the comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected is not in the standard comprehensive temperature coincidence coefficient interval corresponding to the set automobile hub bearing, judging that the temperature corresponding to the automobile hub bearing to be detected is abnormal.
And the early warning terminal is used for carrying out early warning prompt when the temperature state corresponding to the automobile hub bearing to be detected is in an abnormal state.
According to the automobile hub bearing temperature monitoring alarm system provided by the invention, the bearing load coefficient corresponding to the automobile target hub bearing is analyzed, the load capacity of the automobile hub bearing is judged, so that the automobile hub bearing to be detected is obtained, the influence on the monitoring result due to the bearing quality problem is avoided, the temperature of the protection frame corresponding to the automobile hub, the tire pressure, the bearing lubricating oil concentration, the corresponding brake times when the automobile runs, the corresponding highest temperature of the automobile hub bearing and the historical temperature change data are analyzed, the temperature change coefficient, the temperature state evaluation coefficient and the temperature state evaluation coefficient are obtained, the temperature change mode and trend can be obtained, the occurrence and the reason of the temperature abnormal event can be revealed through the analysis of the historical temperature change data, and the fault mode related to the temperature abnormality can be identified through the comparison and the analysis of the temperature change abnormal event.
The foregoing is merely illustrative and explanatory of the principles of the invention, as various modifications and additions may be made to the specific embodiments described, or similar thereto, by those skilled in the art, without departing from the principles of the invention or beyond the scope of the appended claims.
Claims (3)
1. An automotive hub bearing temperature monitoring alarm system, comprising:
the bearing detection module is used for acquiring the hub load information corresponding to the automobile target hub bearing from the vehicle management manual, analyzing the bearing load coefficient corresponding to the automobile target hub bearing according to the hub information corresponding to the automobile target hub bearing, further judging whether the load capacity corresponding to the automobile target hub bearing meets the set requirement of the load capacity corresponding to the automobile hub bearing, and if the load capacity is insufficient, marking the automobile target hub bearing as the automobile hub bearing to be detected;
the bearing data analysis module is used for analyzing and obtaining a temperature change coefficient corresponding to the automobile hub bearing to be detected according to the temperature, the tire pressure and the bearing lubricating oil concentration of the protection frame corresponding to each acquisition time point of the automobile hub bearing to be detected;
the analysis obtains the temperature change coefficient corresponding to the automobile hub bearing to be detected, and the specific analysis process is as follows:
to be detected steamThe temperature of the protecting frame, the tire pressure and the concentration of the lubricating oil of the bearing corresponding to each collecting time point of the hub bearing are substituted into a calculation formulaObtaining the temperature change coefficient corresponding to the automobile hub bearing to be detected>Wherein->、/>、/>Respectively representing the temperature of the protection frame, the tire pressure and the concentration of bearing lubricating oil corresponding to the t collecting time point, and the +.>、/>、/>Respectively representing the temperature of a protection frame, the tire pressure and the concentration of bearing lubricating oil corresponding to the t-1 collecting time point, wherein t is the number corresponding to each collecting time point, t=1, 2, m is any integer greater than 2>、/>、/>Respectively set allowable protection frame temperature difference, allowable tyre pressure difference and allowable bearing lubricationDifference in oil concentration->、/>、/>Respectively setting weight factors corresponding to the temperature of the protection frame, the tire pressure and the bearing lubricating oil concentration;
the historical data analysis module is used for acquiring the highest temperature corresponding to the automobile hub bearing to be detected, extracting the corresponding braking times when the automobile to be detected runs, and acquiring historical temperature change data corresponding to the automobile hub bearing from the automobile management system, so that the temperature state evaluation coefficient corresponding to the automobile hub bearing to be detected is obtained through calculation;
the temperature state evaluation coefficient corresponding to the automobile hub bearing to be detected is obtained through calculation, and the specific calculation process is as follows:
according to the historical temperature change data corresponding to the automobile hub bearing, the historical temperature change data comprises the highest temperature of the historical automobile hub bearing, and according to the temperature change coefficient corresponding to the automobile hub bearing to be detected and the corresponding braking frequency when the automobile to be detected runs, a calculation formula is adoptedObtaining a temperature state evaluation coefficient corresponding to the automobile hub bearing to be detected>Wherein->、/>、/>Respectively representing the highest temperature corresponding to the automobile hub bearing to be detected, the temperature change coefficient corresponding to the automobile hub bearing to be detected, and the corresponding brake times when the automobile to be detected runs, < >>、/>、/>Respectively set historical automobile hub bearing highest temperature, reasonable temperature change coefficient, reasonable historical brake times and +.>、/>、/>Respectively setting weight factors corresponding to the highest temperature, the temperature change coefficient and the braking times;
the comprehensive analysis module is used for collecting the corresponding environmental parameters when the automobile to be detected is driven, further analyzing and obtaining the corresponding environmental influence factors when the automobile to be detected is driven, comprehensively analyzing and obtaining the corresponding comprehensive temperature coincidence coefficient of the automobile hub bearing to be detected according to the corresponding temperature state evaluation coefficient of the automobile hub bearing to be detected, and further judging the corresponding temperature state of the automobile hub bearing to be detected;
the analysis obtains the corresponding environmental impact factors when the automobile to be detected is driven, and the specific analysis process is as follows:
acquiring corresponding environmental parameters including corresponding environmental temperature and corresponding environmental humidity at each acquisition time point when the automobile to be detected is driven, and substituting the environmental temperature and the air humidity into a calculation formulaObtaining corresponding environmental influence factors when the automobile to be detected is driven>Wherein->、/>The ambient temperature and the air humidity are respectively indicated as corresponding to the t-th acquisition time point, t is the number corresponding to each acquisition time point, t=1, 2>、/>Respectively representing the corresponding ambient temperature, air humidity and +.>、/>Respectively, a set allowable ambient temperature difference, an allowable air humidity difference, < ->、/>Respectively setting weight factors corresponding to the ambient temperature and the air humidity;
the comprehensive analysis obtains a comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected, and the specific analysis process is as follows:
substituting a temperature state evaluation coefficient corresponding to the automobile hub bearing to be detected and an environmental impact factor corresponding to the automobile to be detected when the automobile to be detected is driven into a calculation formulaObtaining the comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected>Wherein->Evaluating a correction factor corresponding to the coefficient for the set temperature state;
the specific judging process for judging the corresponding temperature state of the automobile hub bearing to be detected is as follows:
comparing the comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected with the standard comprehensive temperature coincidence coefficient corresponding to the set automobile hub bearing, if the comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected is in the standard comprehensive temperature coincidence coefficient interval corresponding to the set automobile hub bearing, judging that the temperature state corresponding to the automobile hub bearing to be detected is normal, and if the comprehensive temperature coincidence coefficient corresponding to the automobile hub bearing to be detected is not in the standard comprehensive temperature coincidence coefficient interval corresponding to the set automobile hub bearing, judging that the temperature corresponding to the automobile hub bearing to be detected is abnormal;
and the early warning terminal is used for carrying out early warning prompt when the temperature state corresponding to the automobile hub bearing to be detected is in an abnormal state.
2. The automobile hub bearing temperature monitoring and alarming system according to claim 1, wherein the analysis obtains the bearing load coefficient corresponding to each automobile target hub bearing, and the specific analysis process is as follows:
the hub load information corresponding to the automobile target hub bearing comprises dynamic load, static load and equivalent load;
by calculation formulaObtaining a bearing load system corresponding to each automobile target hub bearingCount->Wherein->、/>、/>Respectively representing the dynamic load, the static load and the equivalent load corresponding to the ith automobile target hub bearing,/>、/>、/>Respectively, a set standard load, a standard static load and a standard equivalent load, < >>、/>、/>Respectively, the set allowable dynamic load difference, allowable static load difference and allowable equivalent load difference, +.>、/>、/>Respectively isAnd setting weight factors corresponding to dynamic load, static load and equivalent load.
3. The system of claim 2, wherein the determining whether the load capacity corresponding to the target hub bearing meets the set requirement of the load capacity corresponding to the hub bearing comprises the following specific determining process:
and comparing the bearing load coefficient corresponding to the target automobile hub bearing with a set bearing load coefficient standard interval corresponding to the automobile hub bearing, if the bearing load coefficient corresponding to each automobile target hub bearing is not in the set bearing load coefficient standard interval corresponding to the automobile hub bearing, judging that the load capacity corresponding to the hub bearing of the target automobile is insufficient, and if the bearing load coefficient corresponding to each automobile target hub bearing is in the set bearing load coefficient standard interval corresponding to the automobile hub bearing, judging that the load capacity corresponding to the automobile target hub bearing is met.
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