CN109987079B - Temperature monitoring and early warning system and method for commercial vehicle rotation braking part - Google Patents
Temperature monitoring and early warning system and method for commercial vehicle rotation braking part Download PDFInfo
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- CN109987079B CN109987079B CN201910236747.XA CN201910236747A CN109987079B CN 109987079 B CN109987079 B CN 109987079B CN 201910236747 A CN201910236747 A CN 201910236747A CN 109987079 B CN109987079 B CN 109987079B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T5/00—Vehicle modifications to facilitate cooling of brakes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- Valves And Accessory Devices For Braking Systems (AREA)
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Abstract
The commercial vehicle rotation brake member temperature monitoring and early warning system comprises a temperature sensor, a display module, a CAN module, a control processing module, an operation module, a communication module and a cooling system; when the temperature exceeds the set standard temperature of the rotary braking part, the sound and light alarm is carried out, meanwhile, the control processing module sends a starting signal to the remote control switch through the communication module, the water pump of the rotary braking part is started, and the rotary braking part and the cooling water pump spray water through a spray head connected through a pipeline to cool; automatically stopping alarming when the temperature reaches below a preset temperature; the preset temperature is 80-150 ℃ lower than the standard temperature; the invention can monitor the temperature of the rotary brake in real time, feed the temperature back to a driver, automatically control water spraying and cooling, remind the driver of timely overhauling and keep safe operation.
Description
The technical field is as follows:
the invention relates to the technical field of automobile operation safety guarantee, in particular to a temperature monitoring and early warning system and method for a rotary braking part of a commercial vehicle.
Background art:
the commercial vehicle has large carrying capacity and convenient transportation, and is a preferred transportation tool for road transportation of bulk goods and large quantities of personnel. Similarly, commercial trucks have a long body and high kinetic energy, and therefore have high requirements on the driving technique of drivers. During the driving process, problems occur to each component, irreparable loss can be caused, and various driving parameters of the vehicle need to be mastered at all times. At present, common readings of an instrument panel comprise various oil quantities, water temperatures, rotating speeds, whether a safety belt is used or not, whether a vehicle door is closed or not and the like, but the temperature detection and prompt functions of a brake drum or a brake disc are not provided;
the brake drum and the brake disc are rotating parts in a vehicle braking component and are collectively called as a rotating braking component, and the reason that the temperature of the brake drum or the brake disc is too high is generally that the brake is not returned or the drum is rubbed; the temperature of the brake drum is related to the environmental temperature, the running speed, the braking times, the weight of the vehicle and the road condition, and under normal conditions, several brakes are stepped on, and the temperature of 100 plus 200 ℃ is available, even the temperature of the heavy card can reach more than 300 ℃ when the heavy card is in a downhill; once the phenomenon of brake failure or drum rubbing occurs, the abnormal high temperature of the rotary braking member reduces or even loses the braking performance, and damages are generated to other parts of the vehicle, for example, the abnormal high temperature of the wheel hub is caused by heat conduction, and further, the damage such as tire burst or tire burning is generated.
The abnormally high temperature of the rotation brake, which for any reason causes irreparable and great losses, is a serious abnormal situation that must be constantly prevented. To avoid completely, the situation must be mastered at any time, and the disaster is discovered and stopped before the consequences of the disaster occur.
The invention content is as follows:
in order to solve the problems and overcome the defects of the prior art, the invention aims to provide a commercial vehicle rotary braking part temperature monitoring and early warning system and method for providing real-time monitoring of the temperature of a rotary braking part for safe running of a vehicle.
In order to achieve the purpose, the commercial vehicle rotation braking member temperature monitoring and early warning system comprises a temperature sensor for monitoring the temperature of a rotation braking member in real time, a display module for displaying parameter information, a CAN module for writing and reading ID standard values of the temperature sensor, a control processing module for analyzing and processing information, an operation module for inputting and inquiring information, a communication module for communication among the modules and a cooling system for cooling the rotation braking member;
the cooling system comprises a water tank arranged on the axle, a cooling water pump connected with the water tank through a pipeline, a spray head, a remote control switch and a power supply; the nozzle of the spray head faces the rotary braking part and is connected with the shaft tube through a fixing part, and the cooling water pump is connected with the spray head through a pipeline; the cooling water pump is connected with a power supply through a circuit provided with a remote switch;
the control processing module is bidirectionally interconnected with the temperature sensor, the CAN module and the operation module through the communication module, is also connected with the display module through the communication module and sends information to be displayed to the display module; the operation module is connected with the remote control switch through the communication module and sends switching information to the remote control switch.
A monitoring and early warning method adopting the monitoring and early warning system,
the first step is as follows: after receiving a function command of selecting temperature sensor ID matching registration by a user, the operation module selects a first matching rotary braking member position and sends the first matching rotary braking member position to the control processing module;
the second step is that: the control processing module starts the communication module, the temperature sensor sends a self temperature sensor ID signal through the communication module and sends the signal to the control processing module, and the control processing module stores the acquired temperature sensor ID to a temperature sensor ID reserved buffer zone corresponding to the position; the control processing module checks that a mechanism is started, and whether all the temperature sensor IDs are acquired or not is checked without repetition; if all the temperature sensor IDs are not obtained, the control processing module sequentially obtains the temperature sensor IDs of the rotary braking members at the rest positions in the same manner;
thirdly, the control processing module determines that all the acquired temperature sensor IDs are not repeated through a temperature sensor ID verification mechanism, and the temperature sensor ID verification mechanism passes; storing all the temperature sensor IDs into a position ID storage area corresponding to the rotary braking member, and replacing the last originally stored temperature sensor ID;
the fourth step: the control processing module automatically packages the information into message information of the CAN module, and the CAN module writes the temperature sensor ID into a rotary brake temperature detection alarm system controller ECU in the control processing module through an OBD port;
the fifth step: all the temperature sensors are defaulted to monitor the temperature of the rotary brake in real time after the vehicle is electrified, and real-time readings are sent to the control processing module for judgment; when the temperature of the standard rotary brake exceeds the set temperature and the preset time is maintained, the control processing module sends an audible and visual alarm prompt to the display module, the audible and visual alarm is started, and the serial number of the alarm rotary brake is displayed in the display module in a text mode.
In the fifth step, the driver can select and view the temperature of a single or a plurality of specific rotary brakes through the operation module; after the operation module selects the information query function of the rotary brake, the operation module sends a query command to the control processing module according to parameters needing to be read of a query interface of the keying operation module, the control processing module starts the communication module, the communication module sends a wireless trigger signal to the temperature sensor with the specified ID, the triggered temperature sensor sends information queried by the operation module to the control processing module through the signal, the information is transmitted to the display module after being processed by the control processing module, and the display module displays the queried information; when the temperature of the standard rotary brake exceeds the set temperature, the control processing module sends an audible and visual alarm prompt to the display module, the audible and visual alarm is started, and the serial number of the alarm rotary brake is displayed in the display module in a text mode.
When the temperature exceeds the set standard temperature of the rotary braking part, the sound and light alarm is carried out, meanwhile, the control processing module sends a starting signal to the remote control switch through the communication module, the water pump of the rotary braking part is started, and the rotary braking part and the cooling water pump spray water through a spray head connected through a pipeline to cool; automatically stopping alarming when the temperature reaches below a preset temperature; the preset temperature value is 80-150 ℃ lower than the standard temperature.
The invention has the beneficial effects that: the temperature of the rotary brake can be monitored in real time and fed back to a driver, and the water spraying and cooling are automatically controlled, so that the driver is reminded of overhauling in time and the safe operation is kept; the driver can also select whether to adopt water spraying cooling; the temperature of the rotary brake is an important inducing factor for tire ignition, and the tire ignition is easy to occur, difficult to predict, difficult to solve and large in harm; according to different types of temperature sensors, the distance between the temperature sensors and the rotary braking member is 0.5cm-2cm, so that the detection accuracy is ensured, and the rotary braking member is prevented from damaging the temperature sensors; after the rotating brake is cooled by water spray, the temperature can be reduced to a reading value lower than the standard temperature, and then the failure removal of the brake structure or the failure caused by temporary continuous braking due to high temperature can be indicated.
Description of the drawings:
FIG. 1 is a schematic diagram of the logical relationship of the present invention;
FIG. 2 is a schematic diagram of the working principle of the present invention;
the specific implementation mode is as follows:
in order to make the implementation objects, technical solutions and advantages of the present invention clearer, the present invention will be described in more detail below with reference to the accompanying drawings of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in the attached fig. 1 and 2, the temperature monitoring and early warning system for the rotating brake of the commercial vehicle comprises a temperature sensor for monitoring the temperature of the rotating brake in real time, a display module for displaying parameter information, a CAN module for writing and reading the ID standard value of the temperature sensor, a control processing module for analyzing and processing information, an operation module for inputting and inquiring information, a communication module for communication among the modules and a cooling system for cooling the rotating brake;
the cooling system comprises a water tank arranged on the axle, a cooling water pump connected with the water tank through a pipeline, a spray head, a remote control switch and a power supply; the nozzle of the spray head faces the rotary braking part and is connected with the shaft tube through a fixing part, and the cooling water pump is connected with the spray head through a pipeline; the cooling water pump is connected with a power supply through a circuit provided with a remote switch;
the control processing module is bidirectionally interconnected with the temperature sensor, the CAN module and the operation module through the communication module, is also connected with the display module through the communication module and sends information to be displayed to the display module; the operation module is connected with the remote control switch through the communication module and sends switching information to the remote control switch.
The operation module receives a function command that a user selects temperature sensor ID matching registration, selects a first matching rotary braking part position and sends the position to the control processing module, after the control processing module starts the communication module, the temperature sensor sends a self temperature sensor ID signal through the communication module and sends the self temperature sensor ID signal to the control processing module, the control processing module stores the obtained temperature sensor ID to a temperature sensor ID reserved buffer zone corresponding to the position, the temperature sensor ID of the tire rotary braking part at the rest position is sequentially obtained through the control processing module in the same mode, and the temperature sensor ID is compared with the obtained last temperature sensor ID to avoid repeated learning.
The control processing module is also provided with a temperature sensor ID checking mechanism for determining whether all the temperature sensor IDs are acquired and are not repeated; when the control processing module determines that all the temperature sensor IDs are obtained and no repetition exists, the temperature sensor ID verification mechanism passes, and the obtained temperature sensor IDs are stored in the position ID storage area corresponding to the rotary braking piece to replace the original stored temperature sensor IDs at the last time; after all the temperature sensor IDs are successfully acquired, the control processing module automatically packages the temperature sensor IDs into message information of the CAN module, and the CAN module writes the temperature sensor IDs into a rotary brake piece temperature detection alarm system controller ECU in the control processing module through an OBD port.
All the temperature sensors are defaulted to monitor the temperature of the rotary brake in real time after the vehicle is electrified, and real-time readings are sent to the control processing module for judgment; when the temperature of the standard rotary brake exceeds the set temperature, the control processing module sends an audible and visual alarm prompt to the display module, the audible and visual alarm is started, and the serial number of the alarm rotary brake is displayed in the display module in a text mode.
The driver can also select to view the temperature of a single or a plurality of specific rotary brakes through the operation module; after the operation module selects the information query function of the rotary brake, the operation module sends a query command to the control processing module according to parameters needing to be read of a query interface of the keying operation module, the control processing module starts the communication module, the communication module sends a wireless trigger signal to the temperature sensor with the specified ID, the triggered temperature sensor sends information queried by the operation module to the control processing module through the signal, the information is transmitted to the display module after being processed by the control processing module, and the display module displays the queried information; when the temperature of the standard rotary brake exceeds the set temperature, the control processing module sends an audible and visual alarm prompt to the display module, the audible and visual alarm is started, and the alarm part is displayed in the display module in a text mode.
When the temperature of the rotary braking part exceeds the set standard temperature, the sound and light alarm is carried out, meanwhile, the control processing module sends a starting signal to the remote control switch through the communication module, the rotary braking part water pump is started, and the rotary braking part and the cooling water pump spray water through a spray head connected through a pipeline for cooling; and automatically stopping alarming after the temperature reaches below the standard temperature.
Example 1
A two-shaft four-wheel commercial vehicle is provided with 4 brake discs, the brake discs are numbered 1-4 in sequence according to the front right, the back right, the front left and the back left, each brake disc is correspondingly provided with a temperature sensor, the alarm condition of a rotary brake is set to be 240 ℃, and the alarm condition is maintained for more than 10 s;
after receiving a function command of selecting temperature sensor ID matching registration by a user, the operation module selects a first matching rotary braking part position to send to the control processing module, after the control processing module starts the communication module, the temperature sensor sends a self temperature sensor ID signal through the communication module and sends the self temperature sensor ID signal to the control processing module, the control processing module stores the obtained temperature sensor ID into a temperature sensor ID reserved buffer zone corresponding to the position, the temperature sensor IDs of the rotary braking parts at the rest 11 positions are sequentially obtained through the control processing module in the same mode, and the obtained temperature sensor ID is compared with the obtained last temperature sensor ID to avoid repeated learning.
The control processing module is also provided with a temperature sensor ID checking mechanism for determining whether all 12 temperature sensor IDs are acquired and are not repeated; when the control processing module determines that all 12 temperature sensor IDs are acquired and no repetition exists, the temperature sensor ID verification mechanism passes, and the obtained temperature sensor IDs are stored in the position ID storage area corresponding to the rotary braking piece to replace the last originally stored temperature sensor IDs; after all the temperature sensor IDs are successfully acquired, the control processing module automatically packages the temperature sensor IDs into message information of the CAN module, and the CAN module writes the temperature sensor IDs into a rotary brake piece temperature detection alarm system controller ECU in the control processing module through an OBD port.
All the temperature sensors are defaulted to monitor the temperature of the rotary brake in real time after the vehicle is electrified, and real-time readings are sent to the control processing module for judgment; when the temperature of the rotary brake reaches 240 ℃, and the temperature is maintained for more than 10 s; the control processing module sends an audible and visual alarm prompt to the display module, the audible and visual alarm is started, and an alarm part is displayed in the display module in a text mode; the high temperature for a long time indicates that the brake system is in a problem or is continuously braking, and the brake disc is facing the risk of high temperature failure.
The driver can also select to view the temperature of a single or a plurality of specific rotary brakes through the operation module; after the operation module selects the information query function of the rotary brake, the operation module sends a query command to the control processing module according to parameters needing to be read of a query interface of the keying operation module, the control processing module starts the communication module, the communication module sends a wireless trigger signal to the temperature sensor with the specified ID, the triggered temperature sensor sends information queried by the operation module to the control processing module through the signal, the information is transmitted to the display module after being processed by the control processing module, and the display module displays the queried information; when the temperature of the rotary braking member reaches 240 ℃ and is maintained for more than 10s, the control processing module sends an audible and visual alarm prompt to the display module, the audible and visual alarm is started, and the position number of the alarm rotary braking member is displayed in the display module in a text mode.
When the temperature of the rotary braking part exceeds 240 ℃ of the set standard rotary braking part, the sound and light alarm is carried out, meanwhile, the control processing module sends a starting-up signal to the remote control switch through the communication module, the rotary braking part water pump is started, and the rotary braking part and the cooling water pump spray water through a spray head connected through a pipeline for cooling; automatically stopping alarming when the temperature reaches below 135 ℃; if the temperature above 135 ℃ is still kept for a long time in the case of water spraying, the vehicle brake system risks overheating failure due to driving requirements or faults, and parking or other measures are required.
Example 2
A six-shaft twenty-two-wheeled semitrailer is provided with twelve temperature sensors, wherein the temperature sensors are respectively arranged on brake drums at the front right, middle right, rear right, front left, middle left and rear left of a tractor and a trailer, and the positions of rotating brake parts are numbered sequentially from 1 to 12; the rotation brake alarm condition is set to 280 ℃ and maintained for more than 10 seconds.
The specific working process is the same as in example 1.
The temperature of the rotary brake can be monitored in real time and fed back to a driver, and the water spraying and cooling are automatically controlled, so that the driver is reminded of overhauling in time and the safe operation is kept; the driver can also select whether to adopt water spraying cooling; the invention can monitor the damage induction point in real time and alarm for overrun, and provides all-round guarantee for the running safety of the vehicle.
Except for the technical features described in the specification, the method is known to the technical personnel in the field.
Claims (4)
1. The commercial vehicle rotation brake member temperature monitoring and early warning system comprises a temperature sensor for monitoring the temperature of a rotation brake member in real time, a display module for displaying parameter information, a CAN module for writing and reading ID standard values of the temperature sensor, a control processing module for analyzing and processing information, an operation module for inputting and inquiring information, a communication module for communication among the modules and a cooling system for cooling the rotation brake member; the cooling system comprises a water tank arranged on the axle, a cooling water pump connected with the water tank through a pipeline, a spray head, a remote control switch and a power supply; the nozzle of the spray head faces the rotary braking part and is connected with the shaft tube through a fixing part, and the cooling water pump is connected with the spray head through a pipeline; the cooling water pump is connected with a power supply through a circuit provided with a remote switch; the control processing module is bidirectionally interconnected with the temperature sensor, the CAN module and the operation module through the communication module, is also connected with the display module through the communication module and sends information to be displayed to the display module; the operation module is connected with the remote control switch through the communication module and sends switching information to the remote control switch;
the monitoring and early warning method of the monitoring and early warning system comprises the following steps:
the first step is as follows: after receiving a function command of selecting temperature sensor ID matching registration by a user, the operation module selects a first matching rotary braking member position and sends the first matching rotary braking member position to the control processing module;
the second step is that: the control processing module starts the communication module, the temperature sensor sends a self temperature sensor ID signal through the communication module and sends the signal to the control processing module, and the control processing module stores the acquired temperature sensor ID to a temperature sensor ID reserved buffer zone corresponding to the position; the control processing module checks that a mechanism is started, and whether all the temperature sensor IDs are acquired or not is checked without repetition; if all the temperature sensor IDs are not obtained, the control processing module sequentially obtains the temperature sensor IDs of the rotary braking members at the rest positions in the same manner;
thirdly, the control processing module determines that all the acquired temperature sensor IDs are not repeated through a temperature sensor ID verification mechanism, and the temperature sensor ID verification mechanism passes; storing all the temperature sensor IDs into a position ID storage area corresponding to the rotary braking member, and replacing the last originally stored temperature sensor ID;
the fourth step: the control processing module automatically packages the information into message information of the CAN module, and the CAN module writes the temperature sensor ID into a rotary brake temperature detection alarm system controller ECU in the control processing module through an OBD port;
the fifth step: all the temperature sensors are defaulted to monitor the temperature of the rotary brake in real time after the vehicle is electrified, and real-time readings are sent to the control processing module for judgment; when the temperature of the standard rotary brake exceeds the set temperature and the preset time is maintained, the control processing module sends an audible and visual alarm prompt to the display module, the audible and visual alarm is started, and the serial number of the alarm rotary brake is displayed in the display module in a text mode.
2. The system of claim 1, wherein in the fifth step the driver also has the option to view one or more specific rotational brake temperatures via the operator module; after the operation module selects the information query function of the rotary brake, the operation module sends a query command to the control processing module according to parameters needing to be read of a query interface of the keying operation module, the control processing module starts the communication module, the communication module sends a wireless trigger signal to the temperature sensor with the specified ID, the triggered temperature sensor sends information queried by the operation module to the control processing module through the signal, the information is transmitted to the display module after being processed by the control processing module, and the display module displays the queried information; when the temperature of the standard rotary brake exceeds the set temperature, the control processing module sends an audible and visual alarm prompt to the display module, the audible and visual alarm is started, and the serial number of the alarm rotary brake is displayed in the display module in a text mode.
3. The system as claimed in claim 2, wherein when the set standard temperature of the rotary brake is exceeded and the alarm is made by sound and light, the control processing module sends a starting signal to the remote control switch through the communication module, the water pump of the rotary brake is started, and the rotary brake and the cooling water pump spray water through a spray head connected with a pipeline to cool; and automatically stopping alarming after the temperature reaches below the preset temperature.
4. The system of claim 3, wherein the predetermined temperature is 80 ℃ to 150 ℃ below the standard temperature.
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| CN201910236747.XA CN109987079B (en) | 2019-03-27 | 2019-03-27 | Temperature monitoring and early warning system and method for commercial vehicle rotation braking part |
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| CN201910236747.XA CN109987079B (en) | 2019-03-27 | 2019-03-27 | Temperature monitoring and early warning system and method for commercial vehicle rotation braking part |
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| CN110667554A (en) * | 2019-10-29 | 2020-01-10 | 上海应用技术大学 | Brake disc temperature detection device and detection method thereof |
| CN111547020B (en) * | 2020-05-29 | 2021-03-09 | 江西昌河汽车有限责任公司 | Brake with automatic cooling function and control method thereof |
| CN116022119A (en) * | 2023-01-09 | 2023-04-28 | 中国第一汽车股份有限公司 | Integrated device for brake system temperature early warning and active control and operation method thereof |
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| CN201395124Y (en) * | 2009-04-28 | 2010-02-03 | 河南科技大学 | Air-liquid two-phase cooling system for automobile brake system |
| CN202063126U (en) * | 2011-05-30 | 2011-12-07 | 山东理工大学 | Automatic cooling regulating device of brake |
| CN202879457U (en) * | 2012-11-05 | 2013-04-17 | 长安大学 | Braking temperature automatic control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201395124Y (en) * | 2009-04-28 | 2010-02-03 | 河南科技大学 | Air-liquid two-phase cooling system for automobile brake system |
| CN202063126U (en) * | 2011-05-30 | 2011-12-07 | 山东理工大学 | Automatic cooling regulating device of brake |
| CN202879457U (en) * | 2012-11-05 | 2013-04-17 | 长安大学 | Braking temperature automatic control device |
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Denomination of invention: Temperature monitoring and warning system and method for rotating brake components of commercial vehicles Effective date of registration: 20230919 Granted publication date: 20210409 Pledgee: Bank of China Limited Liangshan sub branch Pledgor: SHANDONG PROVINCE LIANGSHAN SHENLI AUTO PARTS CO.,LTD. Registration number: Y2023980057699 |