CN110979294B - Controller for electromagnetic liquid cooling retarder of automobile - Google Patents
Controller for electromagnetic liquid cooling retarder of automobile Download PDFInfo
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- CN110979294B CN110979294B CN201911301272.4A CN201911301272A CN110979294B CN 110979294 B CN110979294 B CN 110979294B CN 201911301272 A CN201911301272 A CN 201911301272A CN 110979294 B CN110979294 B CN 110979294B
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- vehicle
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- vehicle speed
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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
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/28—Eddy-current braking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
Abstract
The invention discloses a controller for an electromagnetic liquid-cooled retarder of an automobile, which comprises: a control device, comprising: a processor; a system monitoring module connected to the processor; the speed comparison module is connected to the vehicle speed sensor monitoring module and is used for comparing the running speed of the vehicle with a vehicle speed threshold value, and when the running speed of the vehicle is greater than the vehicle speed threshold value, the speed comparison module transmits a signal to the processor so as to control the running speed reduction of the retarder through the processor; the gear switching module is connected to the speed comparison module and the processor and is used for switching gears; an auto-cruise module. The invention reduces the safety blind spot of the electro-hydraulic retarder to a great extent, eliminates the potential safety hazard of the vehicle caused by the retarder, can compare the speed signals when the vehicle goes down the slope, and further decelerates the vehicle by automatically starting the retarder body.
Description
Technical Field
The invention relates to the field of control of electromagnetic liquid-cooled retarders, in particular to a controller for an electromagnetic liquid-cooled retarder of an automobile.
Background
As an auxiliary braking device, the electromagnetic liquid-cooled retarder is increasingly applied to buses, heavy commercial vehicles and trucks. The electro-hydraulic retarder can provide a wide range for a vehicle to formulate torque, avoids potential safety hazards such as vehicle brake failure, tire burst and vehicle deviation, reduces vehicle braking system abrasion, and noise reduction brings economic benefits for customers.
At present, what has been widely used in the market is the eddy current retarder of air cooling structure, the body temperature can reach 650 ℃ when continuously working, and the electro-hydraulic retarder realizes water cooling, the body generates heat and is taken away by the internal cooling liquid, great improvement the performance of electro-hydraulic retarder, but the controller that cooperates with the electro-hydraulic retarder at present is simple relay control box, can only provide simple input and output, and can not carry out real-time communication with whole car, the running state to the retarder can not be mastered in real time, and the function is simple, and can not combine the wholeness ability of vehicle system to restrict the speed of a motor vehicle.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
It is still another object of the present invention to provide a controller for an electromagnetic liquid-cooled retarder for an automobile, which greatly reduces the safety blind spots of the electromagnetic liquid-cooled retarder, eliminates the potential safety hazards of the vehicle due to the retarder, and can compare the speed signals when the vehicle goes down a slope, thereby decelerating the vehicle by automatically starting the retarder body.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a controller for an electromagnetic liquid-cooled retarder for an automobile, including:
a control device, comprising:
a processor connected to the touch display screen.
And the system monitoring module comprises a vehicle speed sensor monitoring module, an ABS sensor monitoring module and a CAN bus output module, and the vehicle speed sensor monitoring module, the ABS sensor monitoring module and the CAN bus output module are respectively connected to the processor.
The speed comparison module is connected to the vehicle speed sensor monitoring module, the speed comparison module is used for comparing the speed of the vehicle in running with a vehicle speed threshold value, and when the speed of the vehicle in running is greater than the vehicle speed threshold value, the speed comparison module transmits a signal to the processor so as to control the running speed reduction of the retarder through the processor.
The gear switching module is connected to the speed comparison module and the processor and is used for automatically switching gears when the vehicle speed exceeds a vehicle speed threshold value so as to enable the gears to be matched with the vehicle speed.
An auto-cruise module connected to the processor, the auto-cruise module for automatically activating a cruise mode of a vehicle body during a downhill descent of the vehicle.
Preferably, the electromagnetic liquid-cooled retarder further comprises a temperature sensor monitoring module connected to the processor, wherein the temperature sensor monitoring module comprises a water temperature sensor monitoring module connected with the water pump and a coil temperature sensor monitoring module connected with a coil on the electromagnetic liquid-cooled retarder.
Preferably, the control device further comprises a gear input and output module and a brake lamp output module which are connected with the processor, and the gear input and output module comprises a 1-4 gear input module, a 1-4 gear output module and a 1-4 gear indicator lamp signal output module.
Preferably, still including being connected to the alarm lamp output module of treater, alarm lamp output module is used for when the gear switches the module and switches the gear or speed ratio module is to the treater transmission signal, opens the two modes of dodging of automobile body rear car light.
Preferably, the electronic fan further comprises a cruise gear input module and an electronic fan power input module connected to the processor.
Preferably, the vehicle-mounted monitoring system further comprises a road condition monitoring module connected to the processor, wherein the road condition monitoring module is used for monitoring a road section where the vehicle body is located, analyzing and generating threshold information of the vehicle speed of each road section on a road where the vehicle body is located by combining road condition information of the road section where the vehicle body is located, and transmitting the threshold information to the processor.
The invention at least comprises the following beneficial effects:
the processor, namely the MCU, adopts a vehicle-scale Feichalcar MCU, is internally integrated with a CAN communication module, and CAN realize the data communication function with the whole vehicle; the system monitoring module is used for acquiring and transmitting vehicle speed information and wheel speed monitoring information during vehicle running, so that the processor is in butt joint with a plurality of groups of signals, real-time monitoring is realized through the acquired signals, the blind spot of the electromagnetic liquid-cooled retarder when a fault occurs is reduced to a great extent, the continuous braking time of the electromagnetic liquid-cooled retarder is prolonged, and the potential safety hazard of the vehicle caused by overhigh temperature of the retarder is eliminated; the automatic cruise module automatically starts a cruise mode when a vehicle descends, the processor compares received information of the vehicle speed in running with a set threshold value of the vehicle speed in real time according to the vehicle speed at the moment of starting a cruise function and by combining with the speed comparison module, and once the vehicle speed in running exceeds the set threshold value, the speed comparison module indirectly controls the operation of the retarder through the processor and automatically starts the retarder body to decelerate the vehicle; the automatic power reduction realizes the protection function of the whole vehicle system, prevents the vehicle speed from being too high, and prevents the performance of each system in the vehicle and the driving safety of the vehicle from being influenced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a block diagram of a controller for an electromagnetic liquid-cooled retarder of an automobile according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1, the present invention provides a controller for an electromagnetic liquid-cooled retarder of an automobile, including:
a control device, comprising:
a processor connected to the touch display screen.
And the system monitoring module comprises a vehicle speed sensor monitoring module, an ABS sensor monitoring module and a CAN bus output module, and the vehicle speed sensor monitoring module, the ABS sensor monitoring module and the CAN bus output module are respectively connected to the processor.
The speed comparison module is connected to the vehicle speed sensor monitoring module, the speed comparison module is used for comparing the speed of the vehicle in running with a vehicle speed threshold value, and when the speed of the vehicle in running is greater than the vehicle speed threshold value, the speed comparison module transmits a signal to the processor so as to control the running speed reduction of the retarder through the processor.
The gear switching module is connected to the speed comparison module and the processor and is used for automatically switching gears when the vehicle speed exceeds a vehicle speed threshold value so as to enable the gears to be matched with the vehicle speed.
An auto-cruise module connected to the processor, the auto-cruise module for automatically activating a cruise mode of a vehicle body during a downhill descent of the vehicle.
In the scheme, the processor, namely the MCU adopts a vehicle-scale Feichalcar MCU, and a CAN communication module is integrated inside the processor, so that the data communication function with the whole vehicle CAN be realized; the system monitoring module is used for acquiring and transmitting vehicle speed information and wheel speed monitoring information during vehicle running, so that the processor is in butt joint with a plurality of groups of signals, real-time monitoring is realized through the acquired signals, the blind spot of the electromagnetic liquid-cooled retarder when a fault occurs is reduced to a great extent, the continuous braking time of the electromagnetic liquid-cooled retarder is prolonged, and the potential safety hazard of the vehicle caused by overhigh temperature of the retarder is eliminated; the automatic cruise module automatically starts a cruise mode when a vehicle descends, the processor compares received information of the vehicle speed in running with a set threshold value of the vehicle speed in real time according to the vehicle speed at the moment of starting a cruise function and by combining with the speed comparison module, and once the vehicle speed in running exceeds the set threshold value, the speed comparison module indirectly controls the operation of the retarder through the processor and automatically starts the retarder body to decelerate the vehicle; the automatic power reduction realizes the protection function of the whole vehicle system, prevents the vehicle speed from being too high, and prevents the performance of each system in the vehicle and the driving safety of the vehicle from being influenced.
In a preferred scheme, the electromagnetic liquid-cooled retarder further comprises a temperature sensor monitoring module connected to the processor, wherein the temperature sensor monitoring module comprises a water temperature sensor monitoring module connected with the water pump and a coil temperature sensor monitoring module connected with a coil on the electromagnetic liquid-cooled retarder.
In the above scheme, the water temperature is monitored in real time through the water temperature sensor monitoring module, the temperature of the coil is monitored in real time through the coil temperature sensor monitoring module, water temperature information and the temperature information of the coil are transmitted to the processor, and the signals are collected and processed, so that various performance indexes of the vehicle can be controlled integrally.
In a preferable scheme, the control device further comprises a gear input and output module and a brake lamp output module which are connected with the processor, and the gear input and output module comprises a 1-4 gear input module, a 1-4 gear output module and a 1-4 gear indicator lamp signal output module.
In the scheme, the 1-4 gear input module, the 1-4 gear output module, the 1-4 gear indicator light signal output module and the brake light output module are connected to the processor, so that the processor can control and record the input and output of each gear, and corresponding gear indicator light signals are output when the electromagnetic liquid cooling retarder body realizes the corresponding auxiliary braking function.
In a preferred scheme, the vehicle-mounted automatic transmission system further comprises a warning lamp output module connected to the processor, and the warning lamp output module is used for starting a double-flashing mode of a vehicle lamp behind the vehicle body when the gear switching module switches gears or the speed comparison module transmits a signal to the processor.
In the above scheme, through being connected to alarm lamp output module the treater to when electromagnetic liquid cooling retarber body stator coil temperature reached a uniform temperature, the treater control alarm lamp output alarm signal or automobile body rear side car light were in the two modes of dodging, reminded the driver and carried out relevant cooling operation, or be convenient for switch over suddenly at the gear and under the circumstances that the speed of a motor vehicle reduced, the very first time suggestion rear vehicle goes on, in order to avoid colliding.
In a preferred scheme, the electronic fan power supply control device further comprises a cruise gear input module and an electronic fan power supply input module which are connected to the processor.
In the scheme, the cruise gear input module is connected to the processor, so that the processor can receive signal information of a cruise gear conveniently, and communication of the whole vehicle is realized conveniently; the operation of the electronic fan is controlled through the processor, so that the processor determines the operation of the electronic fan according to the current temperature when receiving the coil temperature signal, the heat of the electromagnetic liquid cooling retarder is taken away through the rotation of the electronic fan, and the purpose of reducing the temperature of the retarder is achieved.
In a preferred embodiment, the vehicle further includes a road condition monitoring module connected to the processor, where the road condition monitoring module is configured to monitor a road segment where the vehicle body is located, analyze and generate threshold information of a vehicle speed of each road segment on a road where the vehicle body is located by combining road condition information of the road segment where the vehicle body is located, and transmit the threshold information to the processor.
In the above scheme, through setting up road conditions monitoring module, the road conditions information of every highway section on the road that the monitoring vehicle traveles, be convenient for the vehicle adjustment speed of a motor vehicle on every section highway section, for example on the loose high speed of road conditions, the speed of a motor vehicle threshold value generates the maximum speed of a motor vehicle that becomes this highway section, make the automobile body can guarantee the maximum speed of a motor vehicle that is in the threshold value on this highway section, thereby help reducing the time of driving, the highway section that the road conditions is crowded relatively, set for the maximum speed of a motor vehicle of avoiding preceding rear vehicle collision with the speed of a motor vehicle threshold value, therefore, the threshold value information of the speed of a motor vehicle of generation, the actual highway section of laminating sets for, under the prerequisite that.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (5)
1. A controller for an automotive electromagnetic liquid-cooled retarder, comprising:
a control device, comprising:
a processor connected to the touch display screen;
the system monitoring module comprises a vehicle speed sensor monitoring module, an ABS sensor monitoring module and a CAN bus output module, and the vehicle speed sensor monitoring module, the ABS sensor monitoring module and the CAN bus output module are respectively connected to the processor;
the speed comparison module is connected to the vehicle speed sensor monitoring module and used for comparing the running speed of the vehicle with a vehicle speed threshold value, and when the running speed of the vehicle is greater than the vehicle speed threshold value, the speed comparison module transmits a signal to the processor so as to control the running speed reduction of the retarder through the processor;
the gear switching module is connected to the speed comparison module and the processor and is used for automatically switching gears when the vehicle speed exceeds a vehicle speed threshold value so as to enable the gears to be matched with the vehicle speed;
an auto-cruise module connected to the processor, the auto-cruise module for automatically turning on a cruise mode of a vehicle body during a downhill descent of the vehicle; the processor compares the received information of the running vehicle speed with a set threshold value of the vehicle speed in real time according to the vehicle speed at the moment of starting the cruise function by combining with the speed comparison module, and once the running vehicle speed exceeds the set threshold value, the speed comparison module indirectly controls the running of the retarder through the processor and automatically starts the retarder body to decelerate the vehicle;
the road condition monitoring module is connected to the processor and is used for monitoring a road section where the vehicle body is located, analyzing and generating threshold value information of the vehicle speed of each road section of the road where the vehicle body is located by combining the road condition information of the road section where the vehicle body is located, generating the threshold value information of the vehicle speed, setting the threshold value information according to an actual road section and transmitting the threshold value information to the processor; on the high speed with loose road conditions, the vehicle speed threshold value is generated into the maximum vehicle speed of the high-speed road section, so that the vehicle body can ensure the maximum vehicle speed at the threshold value on the road section; and in the road section with relatively crowded road conditions, setting the vehicle speed threshold value as the maximum vehicle speed for avoiding the collision of the front and rear vehicles.
2. The controller for an automotive electromagnetic liquid-cooled retarder according to claim 1, further comprising a temperature sensor monitoring module connected to the processor, wherein the temperature sensor monitoring module comprises a water temperature sensor monitoring module connected to the water pump and a coil temperature sensor monitoring module connected to a coil on the electromagnetic liquid-cooled retarder.
3. The controller for the electromagnetic liquid-cooled retarder of the automobile as claimed in claim 1, wherein the control device further comprises a gear input and output module and a brake lamp output module connected with the processor, and the gear input and output module comprises a 1-4 gear input module, a 1-4 gear output module and a 1-4 gear indicator lamp signal output module.
4. The controller for an automotive electromagnetic liquid-cooled retarder according to claim 1, further comprising a warning lamp output module connected to the processor, wherein the warning lamp output module is configured to turn on a double-flashing mode of a vehicle lamp behind a vehicle body when the gear shifting module shifts gears or the speed comparison module transmits a signal to the processor.
5. The controller for an automotive electromagnetic liquid-cooled retarder of claim 1, further comprising a cruise gear input module and an electric fan power input module connected to the processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301272.4A CN110979294B (en) | 2019-12-17 | 2019-12-17 | Controller for electromagnetic liquid cooling retarder of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301272.4A CN110979294B (en) | 2019-12-17 | 2019-12-17 | Controller for electromagnetic liquid cooling retarder of automobile |
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| Publication Number | Publication Date |
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| CN110979294A CN110979294A (en) | 2020-04-10 |
| CN110979294B true CN110979294B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911301272.4A Active CN110979294B (en) | 2019-12-17 | 2019-12-17 | Controller for electromagnetic liquid cooling retarder of automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113212175A (en) * | 2021-06-08 | 2021-08-06 | 福建省衡驰科技有限公司 | Control device and control method of eddy current retarder for automobile |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001078305A (en) * | 1999-09-07 | 2001-03-23 | Sawafuji Electric Co Ltd | Retarder |
| CN103057425B (en) * | 2013-01-05 | 2016-01-13 | 扬州安行机电科技有限公司 | A kind of automobile-used self-excitation type liquid-cooled retarder electronic control package |
| JP2017509291A (en) * | 2014-01-10 | 2017-03-30 | ゼネラル・エレクトリック・カンパニイ | Control system and method for vehicle |
| CN207670197U (en) * | 2017-11-14 | 2018-07-31 | 长安大学 | A kind of heavy goods vehicle lower long slope safety control |
| CN107825964A (en) * | 2017-11-29 | 2018-03-23 | 扬州安行机电科技有限公司 | The electronic-controlled installation of electromagnetism liquid-cooled retarder |
| CN110027557A (en) * | 2019-04-22 | 2019-07-19 | 北京工业大学 | A kind of constant speed of vehicle cruise system with liquid electricity retarder |
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| CN110979294A (en) | 2020-04-10 |
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