CN113188685A - System and method for correcting water temperature meter of vehicle - Google Patents
System and method for correcting water temperature meter of vehicle Download PDFInfo
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- CN113188685A CN113188685A CN202110446971.9A CN202110446971A CN113188685A CN 113188685 A CN113188685 A CN 113188685A CN 202110446971 A CN202110446971 A CN 202110446971A CN 113188685 A CN113188685 A CN 113188685A
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Abstract
The invention discloses a system and a method for correcting a vehicle water temperature meter, and belongs to the field of vehicles. The thermocouple selection module is used for calibrating the temperature of an alternative thermocouple sensor arranged on a vehicle and selecting a test thermocouple sensor according to a calibration result; the detection recording module acquires temperature data of the test thermocouple sensor and temperature data of the water temperature sensor, the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle are used as temperature comparison data, and the temperature comparison data are sent to the correction analysis module; the correction analysis module receives the temperature comparison data, corrects a vehicle water temperature meter according to the temperature comparison data, and generates analysis result information according to the temperature comparison data. The temperature of the water temperature sensor on the vehicle is compared with the temperature of the test thermocouple sensor which measures the temperature accurately, and the water temperature meter of the vehicle is corrected, so that the correction of the water temperature meter is more accurate.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a system and a method for correcting a water temperature meter of a vehicle.
Background
The vehicle water temperature meter is the most direct tool for checking the temperature of the coolant of the engine of the whole vehicle, and can help a driver to know the temperature state of the engine during working, so as to better guide the driver to stop at an idle speed, warm in the vehicle, drive in an environment-friendly way, protect the engine and the like.
The water temperature meter comprises a plurality of scales from C-H, wherein C represents that the water temperature of an engine is low (the water temperature of the engine is equivalent to the ambient temperature when a vehicle is parked for more than 5 hours generally), at the moment, the lubrication of a running engine is insufficient, the combustion is insufficient, the power output and the exhaust emission are poor, and if the interior of the vehicle is warmed, the comfortable warming effect is difficult to achieve. The H red grid shows that the water temperature of the engine is high (generally about 110 ℃), the combination meter can give an alarm for water temperature, and the lubricating effect of engine lubricating oil can be reduced due to long-time high-water-temperature work, so that the internal parts of the engine are abraded, and the vehicle cannot run normally.
Each grid of the vehicle water temperature meter corresponds to an engine water temperature state, and the accuracy of a calibration result directly influences the working state of the engine and even the whole vehicle. Therefore, the water temperature meter correction test accurately developed in the vehicle research and development design stage is very important for the use of users and the driving safety of the whole vehicle.
At present, the engine water temperature corresponding to each grid is recorded by a diagnostic instrument when the water temperature meter jumps, the calibration of an engine water temperature sensor is lacked, the method is complex to operate, multiple persons are required to cooperate, the data recording is inaccurate, and the water temperature state and the instrument calibration result of the engine in actual working can not be accurately and comprehensively reflected.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a vehicle water temperature meter correction system and method, and aims to solve the technical problems that the operation for checking a vehicle water temperature meter is complex and inaccurate in the prior art.
In order to achieve the above object, the present invention provides a vehicle water temperature gauge correction system, comprising: the galvanic couple selection module, the detection recording module and the correction analysis module are sequentially connected;
the thermocouple selection module is used for carrying out temperature calibration on an alternative thermocouple sensor arranged on a vehicle and selecting a test thermocouple sensor according to a calibration result;
the detection recording module is used for acquiring the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor, taking the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle as temperature comparison data, and sending the temperature comparison data to the correction analysis module;
and the correction analysis module is used for receiving the temperature comparison data, correcting a vehicle water temperature meter according to the temperature comparison data and generating analysis result information according to the temperature comparison data.
Optionally, the galvanic selection module includes: the system comprises a temperature calibration furnace, a selection module and a plurality of alternative thermocouple sensors;
the temperature calibration furnace is used for calibrating the temperature of the alternative thermocouple sensor, generating selection information according to a calibration result and sending the selection information to the selection module;
the selection module is used for receiving the selection information and selecting an alternative thermocouple sensor which meets the preset measurement precision as a test thermocouple sensor according to the selection information;
the test thermocouple sensor is arranged in a rubber cooling liquid pipeline which is closest to the engine water temperature sensor in the close range.
Optionally, the detection recording module includes: the system comprises a trigger recording module and a data sorting module;
the trigger recording module is used for triggering a recording switch when a pointer of the vehicle water thermometer changes in a grid jumping manner so as to record temperature information of the test thermocouple sensor during triggering and send the temperature information to the data sorting module;
the data sorting module is used for receiving the temperature information of the test thermocouple sensor during triggering, sorting the temperature information of the test thermocouple sensor during triggering, generating temperature comparison data and sending the temperature comparison data to the correction analysis module.
Optionally, the data sorting module is further configured to receive temperature information of the test thermocouple sensor when the test thermocouple sensor is triggered;
acquiring pointer reading of the vehicle water temperature meter and temperature data of a water temperature sensor during triggering;
and taking the temperature information of the test thermocouple sensor during triggering, the pointer reading of the vehicle water temperature meter during triggering and the temperature data of the water temperature sensor as temperature comparison data, and sending the temperature comparison data to the correction analysis module.
Optionally, the vehicle water temperature gauge correction system further comprises: the heat insulation module is connected with the detection recording module;
the heat insulation module is used for judging the heat dissipation type of the vehicle radiator, and if the heat dissipation type is that the vehicle is cooled by the electronic fan, the power supply of the electronic fan is cut off to enter a detection recording mode;
if the heat dissipation type is that the vehicle is cooled by a mechanical fan or a silicone oil fan, closing the heat insulation plate to enter a detection recording mode;
the detection recording module is further used for acquiring the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor in the detection recording mode, taking the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle as temperature comparison data, and sending the temperature comparison data to the correction analysis module.
Further, in order to achieve the above object, the present invention also provides a vehicle water temperature gauge correction method applied to the vehicle water temperature gauge correction system described above, the vehicle water temperature gauge correction system including: the galvanic couple selection module, the detection recording module and the correction analysis module are sequentially connected;
the vehicle water temperature gauge correction method comprises the following steps:
the thermocouple selection module is used for calibrating the temperature of an alternative thermocouple sensor arranged on a vehicle and selecting a test thermocouple sensor according to a calibration result;
the detection recording module acquires temperature data of the test thermocouple sensor and temperature data of the water temperature sensor, the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle are used as temperature comparison data, and the temperature comparison data are sent to the correction analysis module;
the correction analysis module receives the temperature comparison data, corrects a vehicle water temperature meter according to the temperature comparison data, and generates analysis result information according to the temperature comparison data.
Optionally, the thermocouple selection module performs temperature calibration on the alternative thermocouple sensor, and selects a test thermocouple sensor, including:
the temperature calibration furnace calibrates the temperature of the alternative thermocouple sensor, generates selection information according to a calibration result and sends the selection information to the selection module;
the selection module receives the selection information and selects an alternative thermocouple sensor which meets the preset measurement precision as a test thermocouple sensor according to the selection information;
the test thermocouple sensor is arranged in a rubber cooling liquid pipeline closest to the engine water temperature sensor in the close range.
Optionally, the detecting and recording module obtains the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor, and sends the temperature data of the test thermocouple and the temperature data of the water temperature sensor as temperature comparison data to the correction and analysis module, including:
the trigger recording module triggers a recording switch when a pointer of the vehicle water thermometer changes in a grid jumping manner so as to record temperature information of the test thermocouple sensor during triggering and send the temperature information to the data sorting module;
the data sorting module receives the temperature information of the test thermocouple sensor when the test thermocouple sensor is triggered, sorts the temperature information of the test thermocouple sensor when the test thermocouple sensor is triggered, generates temperature comparison data, and sends the temperature comparison data to the correction analysis module.
Optionally, the detecting and recording module obtains the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor, and sends the temperature data of the test thermocouple and the temperature data of the water temperature sensor as temperature comparison data to the correction and analysis module, including:
the data sorting module receives temperature information of the test thermocouple sensor during triggering;
acquiring pointer reading of the vehicle water temperature meter and temperature data of a water temperature sensor during triggering;
and taking the temperature information of the test thermocouple sensor during triggering, the pointer reading of the vehicle water temperature meter during triggering and the temperature data of the water temperature sensor as temperature comparison data, and sending the temperature comparison data to the correction analysis module.
Optionally, before the detecting and recording module obtains the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor, and sends the temperature data of the test thermocouple and the temperature data of the water temperature sensor to the correcting and analyzing module as temperature comparison data, and corrects the vehicle water temperature meter according to the temperature comparison data, the method further includes:
the heat insulation module judges the heat dissipation type of the vehicle radiator, and if the heat dissipation type is that the vehicle is cooled by the electronic fan, the power supply of the electronic fan is cut off to enter a detection recording mode;
if the heat dissipation type is that the vehicle is cooled by a mechanical fan or a silicone oil fan, closing the heat insulation plate to enter a detection recording mode;
and the detection recording module is used for acquiring the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor in the detection recording mode, taking the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle as temperature comparison data, and sending the temperature comparison data to the correction analysis module.
The thermocouple selection module is used for calibrating the temperature of an alternative thermocouple sensor arranged on a vehicle and selecting a test thermocouple sensor according to a calibration result; the detection recording module acquires temperature data of the test thermocouple sensor and temperature data of the water temperature sensor, the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle are used as temperature comparison data, and the temperature comparison data are sent to the correction analysis module; the correction analysis module receives the temperature comparison data, corrects a vehicle water temperature meter according to the temperature comparison data, and generates analysis result information according to the temperature comparison data. The temperature of the water temperature sensor on the vehicle is compared with the temperature of the test thermocouple sensor which measures the temperature accurately, and the water temperature meter of the vehicle is corrected, so that the correction of the water temperature meter is more accurate.
Drawings
FIG. 1 is a block diagram illustrating a first embodiment of a system for calibrating a water temperature gauge of a vehicle according to the present invention;
FIG. 2 is a block diagram illustrating a second embodiment of a system for calibrating a water temperature gauge of a vehicle according to the present invention;
FIG. 3 is a schematic flow chart illustrating a first embodiment of a method for calibrating a water temperature gauge of a vehicle according to the present invention;
FIG. 4 is a flowchart illustrating a second embodiment of a method for calibrating a water temperature gauge of a vehicle according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a block diagram illustrating a first embodiment of a vehicle water temperature gauge correction system according to the present invention.
In this embodiment, the vehicle water temperature gauge correction system includes: the galvanic couple selection module 10, the detection recording module 20, and the correction analysis module 30 are connected in sequence, the galvanic couple selection module 10, the detection recording module 20, and the correction analysis module 30 communicate via the internet to implement data transmission, and a data transmission protocol may use a File Transfer Protocol (FTP) or other transmission protocols, which is not limited in this embodiment. The galvanic couple selection module 10, the detection recording module 20, and the correction analysis module 30 may be disposed in different areas of the vehicle, or may be disposed in a centralized manner in a system management center, and may be disposed correspondingly according to actual requirements, which is not limited in this embodiment.
In particular implementations, the thermocouple selection module 10 performs temperature calibration on an alternative thermocouple sensor disposed on the vehicle, where the thermocouple sensor is a contact temperature measurement device. The alternative thermocouple sensor refers to a thermocouple sensor prepared in advance for implementing a vehicle water temperature gauge correction. Temperature calibration refers to the use of a standard gauge to detect whether the accuracy of an alternative thermocouple sensor meets a standard. Alternative thermocouple sensors are pre-installed on the vehicle. The thermocouple selection module 10 selects a test thermocouple sensor according to the calibration result, wherein the test thermocouple sensor refers to a candidate thermocouple sensor finally selected for a subsequent testing step. Selecting the test thermocouple sensor according to the calibration result refers to selecting the thermocouple sensor closest to or most consistent with the preset precision as the test thermocouple sensor according to the calibration result of each alternative thermocouple sensor and using the test thermocouple sensor for subsequent tests.
Further, the detection recording module 20 obtains temperature data of the test thermocouple sensor and temperature data of the water temperature sensor, after the thermocouple selection module 10 selects the test thermocouple sensor, the test thermocouple sensor is arranged in the rubber coolant pipeline closest to the engine water temperature sensor in the proximity range, the water temperature of the vehicle is detected in real time, and the temperature data obtained by the test thermocouple sensor in the process is the temperature data of the test thermocouple sensor. The temperature data of the water temperature sensor refers to water temperature data of the vehicle, which is acquired by the water temperature sensor which is arranged on the vehicle and used for acquiring the water temperature of the engine cooling pipeline when the vehicle works. The temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle are used as temperature comparison data, which means that the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle are summarized and combined to be used as temperature comparison data. The detection recording module 20 then sends the temperature contrast data to the calibration analysis module 30.
In this embodiment, the calibration analysis module 30 receives the temperature comparison data and then calibrates the vehicle water temperature meter according to the temperature comparison data, which means that the vehicle water temperature meter is adjusted and calibrated according to the temperature comparison data, so that the vehicle water temperature meter can be more accurate. Then generating analysis result information according to the temperature comparison data, wherein the analysis result information can be as follows according to the difference of the temperature comparison data: water temperature gauge pointer error, vehicle water temperature sensor error, or other error information. For example: when the temperature data of the test thermocouple sensor and the vehicle water temperature sensor are within an error range, if the water temperature meter displays errors, the pointer of the water temperature meter is wrong; and when the temperature data of the test thermocouple sensor and the temperature data of the vehicle water temperature sensor have numerical difference outside the error range, judging that the vehicle water temperature sensor is wrong.
Further, in order to be able to exclude the influence of the vehicle radiator on the correction of the water temperature gauge, the vehicle water temperature gauge correction system further includes: the heat insulation module is connected with the detection recording module; the heat insulation module judges the heat dissipation type of the vehicle radiator, if the heat dissipation type is that the vehicle is cooled through the electronic fan, the power supply of the electronic fan is cut off to enter a detection recording mode, namely when the heat dissipation type of the vehicle is that the temperature of the water is cooled through the electronic fan, in order to remove the influence of the electronic fan on the temperature data acquisition of the vehicle temperature sensor and the test thermocouple, the power supply of the electronic fan is cut off to stop the electronic fan, and then the vehicle enters the detection recording mode.
In this embodiment, if the heat dissipation type is that the vehicle is cooled by a mechanical fan or a silicone oil fan, closing the thermal insulation board to enter a detection recording mode, which means that when the heat dissipation type of the current vehicle is the mechanical fan or the silicone oil fan, at this time, since the power supply cannot be cut off, the thermal insulation board is closed to remove the influence of the mechanical fan or the silicone oil fan on the temperature measurement. The heat insulation board refers to a device capable of insulating heat, and may be made of any material to achieve this function, which is not limited in this embodiment.
In a specific implementation, the detection recording module is further configured to, in the detection recording mode, acquire temperature data of the test thermocouple sensor and temperature data of the water temperature sensor, use the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle as temperature comparison data, and send the temperature comparison data to the correction analysis module, where the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor start to be acquired when the detection recording mode is in, the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle serve as temperature comparison data, and send the temperature comparison data to the correction analysis module, that is, when the detection recording mode is in, the time at which the detection recording module starts to operate is the time at which the detection recording module starts to operate.
By the method, the influence of a heat dissipation device of the vehicle on temperature measurement and calibration is eliminated, and the correction result of the water temperature meter of the vehicle is more accurate.
In the embodiment, the thermocouple selection module calibrates the temperature of the alternative thermocouple sensor arranged on the vehicle and selects the test thermocouple sensor according to the calibration result; the detection recording module acquires temperature data of the test thermocouple sensor and temperature data of the water temperature sensor, the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle are used as temperature comparison data, and the temperature comparison data are sent to the correction analysis module; the correction analysis module receives the temperature comparison data, corrects a vehicle water temperature meter according to the temperature comparison data, and generates analysis result information according to the temperature comparison data. The temperature of the water temperature sensor on the vehicle is compared with the temperature of the test thermocouple sensor which measures the temperature accurately, and the water temperature meter of the vehicle is corrected, so that the correction of the water temperature meter is more accurate.
Further, referring to fig. 2, fig. 2 is a block diagram illustrating a second embodiment of a vehicle water temperature gauge correction system according to the present invention.
In this embodiment, the galvanic couple selection module 10 includes: the system comprises a temperature calibration furnace 40, a selection module 50 and a plurality of alternative thermocouple sensors 60; the temperature calibration furnace 40 is used for calibrating the temperature of the alternative thermocouple sensor 60 and generating selection information according to the calibration result, and the temperature calibration furnace is equipment used for calibrating the measurement precision of a temperature measuring instrument. The selection information includes the measurement accuracy information of the calibration result of each alternative thermocouple sensor 60. The selection information is then sent to the selection module 50.
In a specific implementation, the selection module 50 receives the selection information, and selects the candidate thermocouple sensor 60 meeting the preset measurement accuracy as a test thermocouple sensor according to the selection information, where the test thermocouple sensor is one of the candidate thermocouple sensors 60 meeting the preset measurement accuracy selected by the selection module 50 according to the selection information. The preset measurement accuracy is the measurement accuracy which is preset and acceptable for calibration of the vehicle water temperature meter. Selecting the candidate thermocouple sensor conforming to the preset measurement accuracy as the test thermocouple sensor according to the selection information refers to the selection module 50 selecting one candidate thermocouple sensor as the test thermocouple sensor according to the measurement accuracy information of all the candidate thermocouple sensors in the selection information and the preset measurement accuracy, wherein the candidate thermocouple sensor conforming to the preset measurement accuracy range refers to the most accurate candidate thermocouple sensor 60 within the preset measurement accuracy range, and when the accuracy of a plurality of candidate thermocouple sensors 60 is the same and the most accurate, one of the candidate thermocouple sensors is selected as the test thermocouple sensor.
Further, the test thermocouple sensor is installed in the nearest rubber coolant pipe in the proximity of the engine water temperature sensor, and the engine water temperature sensor is generally installed in the water channel or the water tank of the vehicle, so that the test thermocouple sensor is installed in the nearest rubber coolant pipe in the proximity of the water temperature sensor in order to measure the temperature more accurately.
In the present embodiment, the detection recording module 20 includes: a trigger recording module 70 and a data sorting module 80; the trigger recording module 70 triggers a recording switch when the pointer of the vehicle water thermometer changes in a grid jumping manner so as to record the temperature information of the test thermocouple sensor when the pointer of the vehicle water thermometer is triggered, the trigger switch is triggered once when the pointer of the vehicle water thermometer changes in a grid jumping manner, and then the comprehensive data acquisition is performed on signals of the test thermocouple sensor, the engine water temperature sensor, the trigger switch and the like so as to obtain the temperature measurement data of the test thermocouple sensor when the signals are triggered each time. The temperature information of the test thermocouple sensor at each trigger is then recorded and sent to the data marshalling module 80.
In specific implementation, the data sorting module 80 receives temperature information of the test thermocouple sensor when triggered, sorts the temperature information of the test thermocouple sensor when triggered, and generates temperature comparison data, and after the data processing module 80 receives the temperature information of the test thermocouple sensor when triggered, the data processing module sorts the temperature information of the test thermocouple sensor when triggered according to each trigger, and generates temperature comparison data according to the temperature data of the vehicle water temperature sensor when triggered each time. The data marshalling module 80 then sends the temperature contrast data to the calibration analysis module 30.
Further, in order to make the calibration of the water temperature meter more accurate, the data sorting module 80 further receives the temperature information of the test thermocouple sensor during triggering, then obtains the pointer reading of the vehicle water temperature meter during triggering and the temperature data of the water temperature sensor, and extracts the temperature data of the water temperature sensor during each triggering from the temperature information of the test thermocouple sensor during triggering. And taking the temperature information of the test thermocouple sensor during triggering, the pointer reading of the vehicle water temperature meter during triggering and the temperature data of the water temperature sensor as temperature comparison data, namely adding the pointer reading of the vehicle water temperature meter during triggering into the temperature comparison data, and then storing the temperature data of the water temperature sensor during each triggering, the temperature data of the test thermocouple sensor during each triggering and the pointer reading of the water temperature meter during current triggering as the temperature comparison data in a one-to-one correspondence manner. The temperature contrast data is then sent to the analytical correction module 30.
By the method, the temperature data of the water temperature sensor and the pointer reading of the vehicle water temperature meter can be measured, and the water temperature meter is corrected more accurately.
In the embodiment, the temperature calibration furnace calibrates the temperature of the alternative thermocouple sensor, generates selection information according to a calibration result and sends the selection information to the selection module; the selection module receives the selection information and selects an alternative thermocouple sensor which meets the preset measurement accuracy as a test thermocouple sensor according to the selection information; the trigger recording module triggers a recording switch when a pointer of the vehicle water thermometer changes in a grid jumping manner so as to record temperature information of the test thermocouple sensor during triggering and send the temperature information to the data sorting module; and the data sorting module receives the temperature information of the test thermocouple sensor during triggering, sorts the temperature information of the test thermocouple sensor during triggering, generates temperature comparison data, and sends the temperature comparison data to the correction analysis module. By recording the temperature data of the test thermocouple sensor when triggered each time, the temperature data of the vehicle water temperature sensor when triggered each time and the pointer reading information of the vehicle water temperature meter when triggered each time, the comparison water temperature meter can be corrected through visual data, and the errors of the water temperature meter and the water temperature sensor can be accurately analyzed.
Referring to fig. 3, fig. 3 is a schematic flow chart of a first embodiment of a vehicle water temperature gauge correction method according to the present invention, which is applied to a vehicle water temperature gauge correction system, and the vehicle water temperature gauge correction system includes: the galvanic couple selection module, the detection recording module and the correction analysis module are sequentially connected;
the vehicle water temperature gauge correction method comprises the following steps:
step S10: the thermocouple selection module is used for calibrating the temperature of the alternative thermocouple sensor arranged on the vehicle and selecting the test thermocouple sensor according to the calibration result.
In this embodiment, the vehicle water temperature gauge correction system includes: the thermocouple selection module, the detection recording module and the correction analysis module are sequentially connected, the thermocouple selection module, the detection recording module and the correction analysis module communicate through the internet, so that data transmission is realized, and a File Transfer Protocol (FTP) or other transmission protocols can be adopted as a data transmission protocol, which is not limited in this embodiment. The galvanic couple selection module, the detection recording module and the correction analysis module may be disposed in different areas of the vehicle, or may be disposed in the system management center in a centralized manner, and may be disposed correspondingly according to actual requirements, which is not limited in this embodiment.
In a specific implementation, the thermocouple selection module performs temperature calibration on an alternative thermocouple sensor disposed on a vehicle, wherein the thermocouple sensor is a contact temperature measuring device. The alternative thermocouple sensor refers to a thermocouple sensor prepared in advance for implementing a vehicle water temperature gauge correction. Temperature calibration refers to the use of a standard gauge to detect whether the accuracy of an alternative thermocouple sensor meets a standard. Alternative thermocouple sensors are pre-installed on the vehicle. And the thermocouple selection module selects a test thermocouple sensor according to the calibration result, wherein the test thermocouple sensor refers to a finally selected alternative thermocouple sensor for the subsequent test step. Selecting the test thermocouple sensor according to the calibration result refers to selecting the thermocouple sensor closest to or most consistent with the preset precision as the test thermocouple sensor according to the calibration result of each alternative thermocouple sensor and using the test thermocouple sensor for subsequent tests.
Step S20: the detection recording module acquires the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor, the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle are used as temperature comparison data, and the temperature comparison data are sent to the correction analysis module.
Further, the detection recording module acquires temperature data of a test thermocouple sensor and temperature data of a water temperature sensor, after the thermocouple selection module selects the test thermocouple sensor, the test thermocouple sensor is arranged in a rubber cooling liquid pipeline which is closest to the engine water temperature sensor in the close range, the water temperature of the vehicle is detected in real time, and the temperature data acquired by the test thermocouple sensor in the process is the temperature data of the test thermocouple sensor. The temperature data of the water temperature sensor refers to water temperature data of the vehicle, which is acquired by the water temperature sensor which is arranged on the vehicle and used for acquiring the water temperature of the engine cooling pipeline when the vehicle works. The temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle are used as temperature comparison data, which means that the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle are summarized and combined to be used as temperature comparison data. And then the detection recording module sends the temperature comparison data to the correction analysis module.
Step S30: the correction analysis module receives the temperature comparison data, corrects a vehicle water temperature meter according to the temperature comparison data, and generates analysis result information according to the temperature comparison data.
In this embodiment, the calibration and analysis module receives the temperature comparison data and then calibrates the vehicle water temperature meter according to the temperature comparison data, which means that the vehicle water temperature meter is adjusted and calibrated according to the temperature comparison data, so that the vehicle water temperature meter can be more accurate. Then generating analysis result information according to the temperature comparison data, wherein the analysis result information can be as follows according to the difference of the temperature comparison data: water temperature gauge pointer error, vehicle water temperature sensor error, or other error information. For example: when the temperature data of the test thermocouple sensor and the vehicle water temperature sensor are within an error range, if the water temperature meter displays errors, the pointer of the water temperature meter is wrong; and when the temperature data of the test thermocouple sensor and the temperature data of the vehicle water temperature sensor have numerical difference outside the error range, judging that the vehicle water temperature sensor is wrong.
Further, before step S30, in order to eliminate the influence of the vehicle radiator on the correction of the water temperature table, the method further includes:
the heat insulation module judges the heat dissipation type of the vehicle radiator, and if the heat dissipation type is that the vehicle is cooled by the electronic fan, the power supply of the electronic fan is cut off to enter a detection recording mode;
if the heat dissipation type is that the vehicle is cooled by a mechanical fan or a silicone oil fan, closing the heat insulation plate to enter a detection recording mode;
and the detection recording module is used for acquiring the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor in the detection recording mode, taking the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle as temperature comparison data, and sending the temperature comparison data to the correction analysis module.
In a specific implementation, the vehicle water temperature gauge correction system further comprises: the heat insulation module is connected with the detection recording module; the heat insulation module judges the heat dissipation type of the vehicle radiator, if the heat dissipation type is that the vehicle is cooled through the electronic fan, the power supply of the electronic fan is cut off to enter a detection recording mode, namely when the heat dissipation type of the vehicle is that the temperature of the water is cooled through the electronic fan, in order to remove the influence of the electronic fan on the temperature data acquisition of the vehicle temperature sensor and the test thermocouple, the power supply of the electronic fan is cut off to stop the electronic fan, and then the vehicle enters the detection recording mode.
In this embodiment, if the heat dissipation type is that the vehicle is cooled by a mechanical fan or a silicone oil fan, closing the thermal insulation board to enter a detection recording mode, which means that when the heat dissipation type of the current vehicle is the mechanical fan or the silicone oil fan, at this time, since the power supply cannot be cut off, the thermal insulation board is closed to remove the influence of the mechanical fan or the silicone oil fan on the temperature measurement. The heat insulation board refers to a device capable of insulating heat, and may be made of any material to achieve this function, which is not limited in this embodiment.
In a specific implementation, the detection recording module is further configured to, in the detection recording mode, acquire temperature data of the test thermocouple sensor and temperature data of the water temperature sensor, use the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle as temperature comparison data, and send the temperature comparison data to the correction analysis module, where the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor start to be acquired when the detection recording mode is in, the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle serve as temperature comparison data, and send the temperature comparison data to the correction analysis module, that is, when the detection recording mode is in, the time at which the detection recording module starts to operate is the time at which the detection recording module starts to operate.
By the method, the influence of a heat dissipation device of the vehicle on temperature measurement and calibration is eliminated, and the correction result of the water temperature meter of the vehicle is more accurate.
In the embodiment, the thermocouple selection module calibrates the temperature of the alternative thermocouple sensor arranged on the vehicle and selects the test thermocouple sensor according to the calibration result; the detection recording module acquires temperature data of the test thermocouple sensor and temperature data of the water temperature sensor, the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle are used as temperature comparison data, and the temperature comparison data are sent to the correction analysis module; the correction analysis module receives the temperature comparison data, corrects a vehicle water temperature meter according to the temperature comparison data, and generates analysis result information according to the temperature comparison data. The temperature of the water temperature sensor on the vehicle is compared with the temperature of the test thermocouple sensor which measures the temperature accurately, and the water temperature meter of the vehicle is corrected, so that the correction of the water temperature meter is more accurate.
Fig. 4 is a schematic flow chart of a second embodiment of the worksite safety monitoring method according to the present invention, and the second embodiment of the worksite safety monitoring method according to the present invention is proposed based on the first embodiment.
In this embodiment, the step S10 includes:
step S101: and the temperature calibration furnace calibrates the temperature of the alternative thermocouple sensor, generates selection information according to a calibration result and sends the selection information to the selection module.
In this embodiment, the galvanic couple selection module includes: the system comprises a temperature calibration furnace, a selection module and a plurality of alternative thermocouple sensors; the temperature calibration furnace is used for calibrating the temperature of the alternative thermocouple sensor and generating selection information according to a calibration result, and is equipment for calibrating the measurement precision of the temperature measuring instrument. The selection information comprises the measurement precision information of the calibration result of each alternative thermocouple sensor. The selection information is then sent to the selection module.
Step S102: the selection module receives the selection information and selects an alternative thermocouple sensor which meets the preset measurement precision as a test thermocouple sensor according to the selection information;
the test thermocouple sensor is arranged in a rubber cooling liquid pipeline closest to the engine water temperature sensor in the close range.
In specific implementation, the selection module receives the selection information, and selects one of the alternative thermocouple sensors meeting the preset measurement accuracy as a test thermocouple sensor according to the selection information, wherein the test thermocouple sensor is one of the alternative thermocouple sensors meeting the preset measurement accuracy selected by the selection module according to the selection information. The preset measurement accuracy is the measurement accuracy which is preset and acceptable for calibration of the vehicle water temperature meter. Selecting the alternative thermocouple sensor which meets the preset measurement accuracy as the test thermocouple sensor according to the selection information refers to that the selection module selects one alternative thermocouple sensor as the test thermocouple sensor according to the measurement accuracy information of all the alternative thermocouple sensors in the selection information and the preset measurement accuracy, wherein the alternative thermocouple sensor which meets the preset measurement accuracy range refers to the most accurate alternative thermocouple sensor within the preset measurement accuracy range, and when the accuracy of a plurality of alternative thermocouple sensors is the same and the most accurate, one alternative thermocouple sensor is selected as the test thermocouple sensor.
Further, the test thermocouple sensor is installed in the nearest rubber coolant pipe in the proximity of the engine water temperature sensor, and the engine water temperature sensor is generally installed in the water channel or the water tank of the vehicle, so that the test thermocouple sensor is installed in the nearest rubber coolant pipe in the proximity of the water temperature sensor in order to measure the temperature more accurately.
In this embodiment, the step S20 includes:
step S201: the trigger recording module triggers a recording switch when a pointer of the vehicle water thermometer changes in a grid jumping mode so as to record temperature information of the test thermocouple sensor during triggering and send the temperature information to the data sorting module.
In this embodiment, the detection recording module includes: the system comprises a trigger recording module and a data sorting module; the trigger recording module triggers a recording switch when a pointer of the vehicle water thermometer changes in a grid jumping manner so as to record temperature information of the test thermocouple sensor during triggering, the trigger switch triggers once when the pointer of the vehicle water thermometer changes in the grid jumping manner, and then comprehensive data acquisition is performed on signals of the test thermocouple sensor, the engine water temperature sensor, the trigger switch and the like so as to obtain temperature measurement data of the test thermocouple sensor during each triggering. And then recording the temperature information of the test thermocouple sensor during each triggering and sending the temperature information to the data sorting module.
Step S202: the data sorting module receives the temperature information of the test thermocouple sensor when the test thermocouple sensor is triggered, sorts the temperature information of the test thermocouple sensor when the test thermocouple sensor is triggered, generates temperature comparison data, and sends the temperature comparison data to the correction analysis module.
In specific implementation, the data processing module receives temperature information of the test thermocouple sensor during triggering, sorts and sorts the temperature information of the test thermocouple sensor during triggering to generate temperature comparison data, and after receiving the temperature information of the test thermocouple sensor during triggering, the data processing module sorts and sorts the temperature information of the test thermocouple sensor during triggering according to each triggering and generates the temperature comparison data according to the temperature data of the vehicle water temperature sensor during each triggering. And then the data sorting module sends the temperature comparison data to the correction analysis module.
Further, in order to make the correction of the water temperature table more accurate, step S20 further includes:
the data sorting module receives temperature information of the test thermocouple sensor during triggering;
acquiring pointer reading of the vehicle water temperature meter and temperature data of a water temperature sensor during triggering;
and taking the temperature information of the test thermocouple sensor during triggering, the pointer reading of the vehicle water temperature meter during triggering and the temperature data of the water temperature sensor as temperature comparison data, and sending the temperature comparison data to the correction analysis module.
In this embodiment, the data sorting module further receives temperature information of the test thermocouple sensor during triggering, then obtains a pointer reading of the vehicle water temperature meter and temperature data of the water temperature sensor during triggering, and extracts the temperature data of the water temperature sensor during each triggering from the temperature information of the test thermocouple sensor during triggering. And taking the temperature information of the test thermocouple sensor during triggering, the pointer reading of the vehicle water temperature meter during triggering and the temperature data of the water temperature sensor as temperature comparison data, namely adding the pointer reading of the vehicle water temperature meter during triggering into the temperature comparison data, and then storing the temperature data of the water temperature sensor during each triggering, the temperature data of the test thermocouple sensor during each triggering and the pointer reading of the water temperature meter during current triggering as the temperature comparison data in a one-to-one correspondence manner. The temperature contrast data is then sent to the analytical correction module.
By the method, the temperature data of the water temperature sensor and the pointer reading of the vehicle water temperature meter can be measured, and the water temperature meter is corrected more accurately.
In the embodiment, the temperature calibration furnace calibrates the temperature of the alternative thermocouple sensor, generates selection information according to a calibration result and sends the selection information to the selection module; the selection module receives the selection information and selects an alternative thermocouple sensor which meets the preset measurement accuracy as a test thermocouple sensor according to the selection information; the trigger recording module triggers a recording switch when a pointer of the vehicle water thermometer changes in a grid jumping manner so as to record temperature information of the test thermocouple sensor during triggering and send the temperature information to the data sorting module; and the data sorting module receives the temperature information of the test thermocouple sensor during triggering, sorts the temperature information of the test thermocouple sensor during triggering, generates temperature comparison data, and sends the temperature comparison data to the correction analysis module. By recording the temperature data of the test thermocouple sensor when triggered each time, the temperature data of the vehicle water temperature sensor when triggered each time and the pointer reading information of the vehicle water temperature meter when triggered each time, the comparison water temperature meter can be corrected through visual data, and the errors of the water temperature meter and the water temperature sensor can be accurately analyzed.
Further, it is to be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention or portions thereof that contribute to the prior art may be embodied in the form of a software product, where the computer software product is stored in a storage medium (e.g. Read Only Memory (ROM)/RAM, magnetic disk, optical disk), and includes several instructions for enabling a terminal device (e.g. a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A vehicle water temperature gauge correction system, characterized by comprising: the galvanic couple selection module, the detection recording module and the correction analysis module are sequentially connected;
the thermocouple selection module is used for carrying out temperature calibration on an alternative thermocouple sensor arranged on a vehicle and selecting a test thermocouple sensor according to a calibration result;
the detection recording module is used for acquiring the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor, taking the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle as temperature comparison data, and sending the temperature comparison data to the correction analysis module;
and the correction analysis module is used for receiving the temperature comparison data, correcting a vehicle water temperature meter according to the temperature comparison data and generating analysis result information according to the temperature comparison data.
2. The vehicle water temperature gauge correction system of claim 1, wherein the galvanic selection module comprises: the system comprises a temperature calibration furnace, a selection module and a plurality of alternative thermocouple sensors;
the temperature calibration furnace is used for calibrating the temperature of the alternative thermocouple sensor, generating selection information according to a calibration result and sending the selection information to the selection module;
the selection module is used for receiving the selection information and selecting an alternative thermocouple sensor which meets the preset measurement precision as a test thermocouple sensor according to the selection information;
the test thermocouple sensor is arranged in a rubber cooling liquid pipeline which is closest to the engine water temperature sensor in the close range.
3. The vehicle water temperature gauge correction system of claim 1, wherein the detection recording module comprises: the system comprises a trigger recording module and a data sorting module;
the trigger recording module is used for triggering a recording switch when a pointer of the vehicle water thermometer changes in a grid jumping manner so as to record temperature information of the test thermocouple sensor during triggering and send the temperature information to the data sorting module;
the data sorting module is used for receiving the temperature information of the test thermocouple sensor during triggering, sorting the temperature information of the test thermocouple sensor during triggering, generating temperature comparison data and sending the temperature comparison data to the correction analysis module.
4. The vehicle water temperature gauge correction system of claim 3, wherein the data consolidation module is further configured to receive temperature information of the test thermocouple sensor at the time of triggering;
acquiring pointer reading of the vehicle water temperature meter and temperature data of a water temperature sensor during triggering;
and taking the temperature information of the test thermocouple sensor during triggering, the pointer reading of the vehicle water temperature meter during triggering and the temperature data of the water temperature sensor as temperature comparison data, and sending the temperature comparison data to the correction analysis module.
5. The vehicle water temperature gauge correction system according to claim 3, further comprising: the heat insulation module is connected with the detection recording module;
the heat insulation module is used for judging the heat dissipation type of the vehicle radiator, and if the heat dissipation type is that the vehicle is cooled by the electronic fan, the power supply of the electronic fan is cut off to enter a detection recording mode;
if the heat dissipation type is that the vehicle is cooled by a mechanical fan or a silicone oil fan, closing the heat insulation plate to enter a detection recording mode;
the detection recording module is further used for acquiring the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor in the detection recording mode, taking the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle as temperature comparison data, and sending the temperature comparison data to the correction analysis module.
6. A vehicle water temperature gauge correction method, characterized in that it is applied to a vehicle water temperature gauge correction system according to any one of claims 1 to 5, comprising: the galvanic couple selection module, the detection recording module and the correction analysis module are sequentially connected;
the vehicle water temperature gauge correction method comprises the following steps:
the thermocouple selection module is used for calibrating the temperature of an alternative thermocouple sensor arranged on a vehicle and selecting a test thermocouple sensor according to a calibration result;
the detection recording module acquires temperature data of the test thermocouple sensor and temperature data of the water temperature sensor, the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle are used as temperature comparison data, and the temperature comparison data are sent to the correction analysis module;
the correction analysis module receives the temperature comparison data, corrects a vehicle water temperature meter according to the temperature comparison data, and generates analysis result information according to the temperature comparison data.
7. The vehicle water temperature gauge correction method according to claim 6, wherein the electric couple selection module includes: the system comprises a temperature calibration furnace, a selection module and a plurality of alternative thermocouple sensors;
the thermocouple selection module is used for carrying out temperature calibration on the alternative thermocouple sensor and selecting a test thermocouple sensor, and comprises the following steps:
the temperature calibration furnace calibrates the temperature of the alternative thermocouple sensor, generates selection information according to a calibration result and sends the selection information to the selection module;
the selection module receives the selection information and selects an alternative thermocouple sensor which meets the preset measurement precision as a test thermocouple sensor according to the selection information;
the test thermocouple sensor is arranged in a rubber cooling liquid pipeline closest to the engine water temperature sensor in the close range.
8. The method for correcting a water temperature gauge for a vehicle according to claim 6, wherein the detection recording module comprises: the system comprises a trigger recording module and a data sorting module;
the detection recording module acquires the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor, and sends the temperature data of the test thermocouple and the temperature data of the water temperature sensor as temperature comparison data to the correction analysis module, wherein the detection recording module comprises:
the trigger recording module triggers a recording switch when a pointer of the vehicle water thermometer changes in a grid jumping manner so as to record temperature information of the test thermocouple sensor during triggering and send the temperature information to the data sorting module;
the data sorting module receives the temperature information of the test thermocouple sensor when the test thermocouple sensor is triggered, sorts the temperature information of the test thermocouple sensor when the test thermocouple sensor is triggered, generates temperature comparison data, and sends the temperature comparison data to the correction analysis module.
9. The method for calibrating a water temperature gauge for a vehicle according to claim 8, wherein the detecting and recording module obtains the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor, and sends the temperature data of the test thermocouple and the temperature data of the water temperature sensor as temperature comparison data to the calibration and analysis module, and the method comprises the following steps:
the data sorting module receives temperature information of the test thermocouple sensor during triggering;
acquiring pointer reading of the vehicle water temperature meter and temperature data of a water temperature sensor during triggering;
and taking the temperature information of the test thermocouple sensor during triggering, the pointer reading of the vehicle water temperature meter during triggering and the temperature data of the water temperature sensor as temperature comparison data, and sending the temperature comparison data to the correction analysis module.
10. The method for correcting a water temperature gauge for a vehicle according to claim 8, wherein the detection recording module further comprises: a heat insulation module;
the detection recording module obtains the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor, sends the temperature data of the test thermocouple and the temperature data of the water temperature sensor as temperature comparison data to the correction analysis module, and further comprises the following steps before correcting the vehicle water temperature meter according to the temperature comparison data:
the heat insulation module judges the heat dissipation type of the vehicle radiator, and if the heat dissipation type is that the vehicle is cooled by the electronic fan, the power supply of the electronic fan is cut off to enter a detection recording mode;
if the heat dissipation type is that the vehicle is cooled by a mechanical fan or a silicone oil fan, closing the heat insulation plate to enter a detection recording mode;
and the detection recording module is used for acquiring the temperature data of the test thermocouple sensor and the temperature data of the water temperature sensor in the detection recording mode, taking the temperature data of the test thermocouple and the temperature data of the water temperature sensor on the vehicle as temperature comparison data, and sending the temperature comparison data to the correction analysis module.
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