CN210047463U - Automobile brake control system, automobile brake system and automobile - Google Patents
Automobile brake control system, automobile brake system and automobile Download PDFInfo
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- CN210047463U CN210047463U CN201920033833.6U CN201920033833U CN210047463U CN 210047463 U CN210047463 U CN 210047463U CN 201920033833 U CN201920033833 U CN 201920033833U CN 210047463 U CN210047463 U CN 210047463U
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Abstract
The utility model discloses a car braking control system, car braking system, car braking control system is including the signal acquisition device who is used for collecting car running state parameter, signal acquisition device includes auto wheel slew velocity collection system, the slew velocity of wheel when auto wheel slew velocity collection system is used for monitoring the car and traveles. The automobile brake system comprises the automobile brake control system, the automobile comprises the automobile brake system, and the brake method depends on the control system or the brake system. By adopting the scheme, the switching or superposition of the automobile main braking system and the standby braking system can be conveniently realized in time.
Description
Technical Field
The utility model relates to an automotive industry technical field especially relates to an automobile brake control system, automobile brake system, car.
Background
With the increase of the power of the engine of the automobile, the reduction of the rotating speed of the engine, the increase of the load capacity, the acceleration of the speed of the automobile and the improvement of the vehicle-mounted quality, the safety problem of the automobile running becomes extremely severe. In the prior art, the main braking mode of the automobile still relies on the friction braking of a brake disc, and although the improvement of the friction performance of a brake shoe and a hub brake disc promotes the shortening of the one-time braking distance, the failure of the friction braking of the existing brake disc is still very common under the conditions of long-time braking, long-distance downhill braking and frequent braking.
The use of many advanced electronic technologies such as antilock braking systems ABS, electronic braking systems EBS and traction control systems ASR greatly increases the safety of the use of friction braking systems when they are active, but does not help with, for example, excessive brake temperatures and brake wear.
In the existing braking system of the motor vehicle, an actuating mechanism is provided with a friction plate on each wheel and is started when the motor vehicle needs to be stopped; however, when the vehicle needs to be stopped or decelerated during the running on a downhill, if the friction plate brake fails once, property loss is caused if the friction plate brake is not effective, and casualties are caused if the friction plate brake is not effective under the condition that other effective deceleration measures are not available. To this problem, as the technical scheme that utility model patent application No. 201620319658.3 provided shows, provide a reserve arresting gear of novel car, adopt this braking system, for the reserve braking system of current other cars, if:
1. the brake belt arranged at the bottom of the automobile is utilized, when a brake system of the automobile fails, the brake belt is put down, and the brake belt is pressed by a rear wheel of the automobile to realize a brake effect;
2. the three-way valve is added in the original automobile brake system to realize that two sets of brake systems control brake components;
3. the friction block installed at the bottom of the automobile is utilized, friction force is generated when the friction block grabs the ground in the braking process, the braking modes such as the braking effect are achieved, and the possibility of occurrence is that: the brake belt and the friction block are easy to cause the problems that the automobile is unstable in braking, sideslips or overturns due to uneven stress in the braking process, or the spare braking device fails due to the environmental conditions of unevenness of the ground and the like.
Further optimizing the structural design of the existing automobile brake system so that the brake system can provide reliable braking force when the vehicle needs to decelerate, thereby being beneficial to driving safety, is a technical problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
To the structural design of the further current car braking system of optimization that above-mentioned provided to make it can provide reliable brake force in order to do benefit to driving safety when needing the vehicle to slow down, be the technical problem that technical staff in the field await solution urgently, the utility model provides a car braking control system, car braking system, car and car braking method, car braking system includes car braking control system, the car includes car braking system, braking method is based on control system or braking system. By adopting the scheme, the switching or superposition of the automobile main braking system and the standby braking system can be conveniently realized in time.
The automobile brake control system comprises a signal acquisition device for collecting automobile running state parameters, wherein the signal acquisition device comprises an automobile wheel rotating speed acquisition device, and the automobile wheel rotating speed acquisition device is used for monitoring the rotating speed of wheels when an automobile runs.
The vehicle braking system is a vehicle braking system, and in the existing braking system, the braking system or the braking system is generally realized by clamping a brake disc by calipers, but when the braking system is used, the braking system loses the vehicle braking capability due to the fact that the calipers lose driving force or actuating force, or due to the phenomena of heat fading, water fading and the like. In order to facilitate driving safety, in the prior art, a plurality of schemes for arranging a plurality of sets of brake systems on an automobile are disclosed, so that switching of the brake systems is rapidly realized or emergency treatment is performed as soon as possible under the condition that the current brake systems fail, and the scheme is the key for guaranteeing driving safety and reducing the severity of traffic accidents.
In the scheme, the braking system comprises the automobile wheel rotating speed acquisition device, so that when the automobile is braked, no matter whether the automobile is provided with an ABS system or not, in the braking process, if the main braking system or the braking system can work, the rotating speed of the automobile wheels can generate an emergency stop effect before the automobile runs, namely the situation that the rotating speed of the wheel is not matched with the current running speed of the automobile occurs, so in the scheme, after the rotating speed of the wheel is collected by the automobile wheel rotating speed collecting device, the rotating speed is compared manually or by an automobile ECU, the working state of the brake system can be obtained most visually and timely, other brake systems can be automatically switched by the ECU for braking the automobile through manual switching, the aim of conveniently and timely switching the main brake system and the standby brake system of the automobile is fulfilled, and driving safety is facilitated or signals are provided for a driver to carry out emergency treatment as soon as possible.
As a person skilled in the art, the braking system described above can be understood as: the main braking system is the braking system most commonly used for vehicles, such as hub brakes installed on the wheels of the vehicles, and the auxiliary braking system or other braking systems are understood to be braking devices installed on transmission shafts of the wheels of the vehicles, engine brakes, wheel driving motors are converted into generators for braking, and the like.
The device for acquiring the rotational speed of the automobile wheel can adopt a wheel speed sensor of the automobile wheel, such as a rotational speed sensor for directly detecting the rotational speed of the wheel, a rotational speed sensor for detecting the rotational speed of a driving shaft of the automobile wheel and the like.
As a further technical scheme of the automobile brake control system: the signal acquisition device also comprises a brake pedal state acquisition device, and the brake pedal state acquisition device is any one or more of the following devices: the device comprises a brake pedal stroke acquisition device, a brake pedal treading force acquisition device and an automobile running speed acquisition device;
the device also comprises a processing module;
the output ends of the brake pedal state acquisition device and the automobile wheel rotating speed acquisition device are connected to the signal input end of the processing module, and the processing module is used for comparing the data acquired by the brake pedal state acquisition device with the data acquired by the automobile wheel rotating speed acquisition device.
In this scheme, aim at realizing through braking system realizes that car pedal state signal, car speed signal and above wheel rotational speed are correlated for realize: the method can reflect whether the current braking system can work or not, and can reflect whether the output braking force or braking capacity can meet the current requirement or not through comparison.
As a person skilled in the art, the above schemes involve: the wheel rotation speed signal, the brake pedal stroke signal, the magnitude of the treading force applied to the brake pedal, and the automobile running speed signal are respectively as follows: the comparison is to be performed to reflect whether the rotation speed signal is matched with other signals, so as to obtain a comparison result for manual judgment or directly outputting other signals, such as output control signals: the control signal is the output alarm signal, exports braking system switching signal, and when concrete implementation, corresponding control system if adopt the computer program to realize, can utilize following current industrial computer: the industrial personal computer is used for realizing boiler control, wherein related parameters comprise a boiler feed water pump rotating speed signal, a liquid level signal in a steam drum, a pressure signal in the steam drum, a steam outlet pipe medium flow speed signal, and any one of the above water pump rotating speed signal and the following signals: and when the liquid level signal in the steam drum, the pressure signal in the steam drum and the medium flow speed signal of the steam outlet pipe do not correspond to each other, outputting an alarm. And as the technical personnel, the above water pump rotating speed signal, the steam drum liquid level signal, the steam drum pressure signal and the steam outlet pipe medium flow velocity signal respectively correspond to: the alarm output can directly output an alarm or can be used as a control signal for switching a brake system. Along with the intellectualization of the existing vehicle, the performance of the existing vehicle-mounted ECU also meets the data comparison requirement, namely the processing module can be the vehicle-mounted ECU.
Preferably, the control signal is output according to the comparison result, and the control signal is used for controlling the system to switch the currently used braking system.
As the technical personnel in the field, the comparison can be carried out by adopting a single chip microcomputer and a logic circuit, and the single chip microcomputer can carry out data comparison by adopting a single chip microcomputer with a chip 89F 5162. When the logic circuit is adopted, if the pedal force acquisition device applied to the brake pedal is adopted, a pressure sensor can be adopted, and concretely, if: the automobile brake control method comprises the steps that wheel rotation data are collected through a rotating speed sensor, namely the rotating speed of wheels when an automobile runs, the brake pressure of a brake pedal is collected through a pressure sensor, the rotating data signal and a pressure signal are compared through a comparator, after the brake pedal is stepped, the pressure sensor obtains a signal, when the pressure data is triggered or rises, the rotating speed signal falls, and when the rotating speed signal does not fall or the falling speed is lower than a preset speed, namely a threshold value, an alarm signal or an automobile brake control signal is output.
Specifically, the following settings can be set: the logic circuit used for comparison is to perform first or last and operation in the comparator, perform logic or operation when the pressure signal rises and when the pressure signal is triggered, perform logic and operation when the rotating speed does not fall after the logic or operation, output a signal to the logic and circuit through the logic or operation when the pressure signal is triggered and rises, compare the logic and circuit with the rotating speed signal after receiving the signal, and output an alarm signal or an automobile brake control signal when the rotating speed signal does not fall or the rotating speed signal does not fall beyond a preset speed.
As a person skilled in the art, during the braking process of the vehicle, considering the way of stepping on the brake pedal by the driver, such as intermittent stepping on the brake or the vehicle itself having an ABS system, so that the rotation speed of the vehicle wheel is actually related to the vehicle speed during the whole braking process of the vehicle, and the above vehicle speed is changed with time, so as to more accurately judge the braking performance of the currently used brake system: the relationship of the wheel rotation speed with time or with time is set as: the automobile wheel rotation speed monitoring device further comprises a timing module, and the timing module is used for judging the relation between the wheel rotation speed and the time when the automobile runs.
As an auxiliary form, it is configured as follows: the automobile body inclination monitoring system further comprises an inclination angle sensor, wherein the inclination angle sensor is used for monitoring the inclination condition of the automobile body in the running process of the automobile, and the inclination condition is the inclination condition along the length direction of the automobile body. In this embodiment, the tilt sensor may be separately present in a system, such as a sensor signal output device, to provide the driver with tilt data for reference by the driver: if the braking high-risk factor exists, if the inclination angle sensor detects that the automobile is in a downhill, the fact that the braking high-risk factor exists in the automobile at the moment can be obtained, and when the automobile is braked, the change rate of the rotating speed of wheels is slower than that of the wheels on the uphill and on the level road; the inclination angle sensor can also be connected to the processing module, and the result is input into the processing module to provide original data or basis for comparison of the processing module, for example, when an automobile is braked, even if a currently used braking system can normally work, the rotation speed of the wheel changes to a certain degree and corresponds to larger pedal stroke, pedal pressure or braking time; when a downhill slope of the vehicle is detected, if the pedal is braked, with a pedal travel or pedal pressure signal input, and the wheel speed is unchanged, it can also be concluded that the braking system in use is now operational.
The scheme also discloses an automobile braking system which comprises at least two sets of braking systems and further comprises the automobile braking control system. The automobile brake system has the characteristic of realizing timely switching between the main brake system and the standby brake system of the automobile.
As a further technical scheme of the automobile brake system:
in order to avoid multiple sets of brake systems to lose efficacy simultaneously, do benefit to driving safety, set up to: at least two sets of brake systems are completely independent brake systems. The mutually completely independent brake systems are as follows: for example, in two sets of brake systems, the actuating mechanisms for actuating the brake actions are mutually independent, the driving systems for driving the actuating mechanisms to act are independent, and for the driving systems, if one set is driven by oil pressure, and the other set is also driven by the oil pressure, two sets of oil passages are different oil passages, and the other set can also be a pneumatic system, an electric system and the like. For an actuating mechanism, for example, two sets of brake systems are provided with independent calipers and brake pads.
The scheme also discloses an automobile which comprises an automobile body and the automobile brake control system. The automobile has the characteristic of being beneficial to form safety.
As a further technical solution of the automobile:
the automobile body comprises an electric drive system, the electric drive system comprises a storage battery, a frequency converter and a drive motor, the storage battery is used as an electric power supply part of the drive motor, the frequency converter is used as a working parameter control part of the drive motor, the frequency converter is a four-quadrant frequency converter, and when the automobile is braked by the drive motor, electric energy generated by the drive motor is stored in the storage battery through the four-quadrant frequency converter. The scheme provides a system which can be used as an automobile driving part, can brake an automobile and can recover energy in the process of braking the automobile, and the system is shared by a caliper system and a brake disc braking system; when the travel of the brake pedal is small, the treading force applied to the brake pedal is small, and the vehicle speed is low, the system is the only used brake system during the braking of the vehicle so as to improve the energy utilization rate as much as possible. As a person skilled in the art, the travel of the brake pedal is small, the treading force applied to the brake pedal is small, and the vehicle speed is low, and can be set or adjusted according to the specific type, application or driving road conditions of the automobile.
Meanwhile, the scheme also discloses an automobile braking method, which comprises the following steps in sequence:
s1, collecting the rotation speed information of the wheels in the driving process of the automobile;
s2, comparing the data obtained in S1 with the braking condition or the speed of the automobile brake pedal, and outputting an alarm signal or an automobile brake control signal according to the comparison result;
the automobile brake pedal braking condition is a brake pedal travel condition or the magnitude of the treading force applied to the brake pedal, the automobile speed is the automobile running speed, and the comparison is as follows: judging the relation between the data obtained in the S1 and the preset wheel rotation speed threshold corresponding to the current automobile brake pedal braking condition, the pedal force condition of the brake pedal and the vehicle speed condition;
when the data obtained in the S1 is larger than the threshold value, outputting an alarm signal or an automobile brake control signal;
the automobile brake control signal is used for switching a brake system on the automobile or overlapping and starting an idle brake system so as to brake the automobile. The scheme provides an automobile braking method based on the braking system or the control system, and by adopting the method, the driving safety of an automobile can be effectively improved.
As a further technical scheme of the automobile braking method, at least two sets of braking systems are adopted in the method, and at least two sets of braking systems are completely independent mutually. The scheme aims to avoid the simultaneous failure of all braking systems of the vehicle as far as possible.
As the technical personnel in the field, the automobile running speed acquisition device can adopt a speed sensor, the pedal force magnitude acquisition device applied to the brake pedal can adopt a pressure sensor, the brake pedal stroke acquisition device can adopt a position sensor, and the automobile wheel rotating speed acquisition device can adopt a rotating speed sensor.
As a person skilled in the art, the above switching and superimposing means to set multiple sets of braking systems on the vehicle, wherein normally one set or a part of the braking systems is used as the main braking system, i.e. the default braking system for braking the vehicle when the vehicle is running. The rest brake system is used as a standby brake system, and the switching is as follows: using a previously spare braking system for the next braking, previously activated deactivation; the superposition is that the prior starting is continuously started, and the standby is partially started or completely started.
The utility model discloses following beneficial effect has:
the automobile brake system comprises the automobile brake control system, the automobile comprises the automobile brake system, and the scheme is adopted, so that the switching or superposition of the automobile main brake system and the standby brake system can be conveniently realized in time. By adopting the scheme, the driving safety of the automobile can be improved.
Drawings
Fig. 1 is a system topology diagram of an embodiment of the present invention.
The topological diagram comprises three sets of braking systems, namely a first braking system, a second braking system and a third braking system.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples.
Example 1:
as shown in fig. 1, the automobile brake control system includes a signal acquisition device for collecting parameters of an automobile running state, the signal acquisition device includes an automobile wheel rotation speed acquisition device, and the automobile wheel rotation speed acquisition device is used for monitoring the rotation speed of wheels when the automobile runs.
In the existing brake system, the brake system or the brake system is generally realized by clamping a brake disc by a caliper, but when the brake system is used, the brake system may lose the vehicle braking capability due to the fact that the caliper loses driving force or actuating force, or due to the phenomena of heat fading, water fading and the like. In order to facilitate driving safety, in the prior art, a plurality of schemes for arranging a plurality of sets of brake systems on an automobile are disclosed, so that switching of the brake systems is rapidly realized or emergency treatment is performed as soon as possible under the condition that the current brake systems fail, and the scheme is the key for guaranteeing driving safety and reducing the severity of traffic accidents.
In the scheme, the braking system comprises the automobile wheel rotating speed acquisition device, so that when the automobile is braked, no matter whether the automobile is provided with an ABS system or not, in the braking process, if the main braking system or the braking system can work, the rotating speed of the automobile wheels can generate an emergency stop effect before the automobile runs, namely the situation that the rotating speed of the wheel is not matched with the current running speed of the automobile occurs, so in the scheme, after the rotating speed of the wheel is collected by the automobile wheel rotating speed collecting device, the rotating speed is compared manually or by an automobile ECU, the working state of the brake system can be obtained most visually and timely, other brake systems can be automatically switched by the ECU for braking the automobile through manual switching, the aim of conveniently and timely switching the main brake system and the standby brake system of the automobile is fulfilled, and driving safety is facilitated or signals are provided for a driver to carry out emergency treatment as soon as possible.
As a person skilled in the art, the braking system described above can be understood as: the main braking system is the braking system most commonly used for vehicles, such as hub brakes installed on the wheels of the vehicles, and the auxiliary braking system or other braking systems are understood to be braking devices installed on transmission shafts of the wheels of the vehicles, engine brakes, wheel driving motors are converted into generators for braking, and the like.
The device for acquiring the rotational speed of the automobile wheel can adopt a wheel speed sensor of the automobile wheel, such as a rotational speed sensor for directly detecting the rotational speed of the wheel, a rotational speed sensor for detecting the rotational speed of a driving shaft of the automobile wheel and the like.
Example 2:
as shown in fig. 1, the present embodiment is further defined on the basis of embodiment 1: as a further technical scheme of the automobile brake control system: the signal acquisition device also comprises a brake pedal state acquisition device, and the brake pedal state acquisition device is any one or more of the following devices: the device comprises a brake pedal stroke acquisition device, a brake pedal treading force acquisition device and an automobile running speed acquisition device;
the device also comprises a processing module;
the output ends of the brake pedal state acquisition device and the automobile wheel rotating speed acquisition device are connected to the signal input end of the processing module, and the processing module is used for comparing the data acquired by the brake pedal state acquisition device with the data acquired by the automobile wheel rotating speed acquisition device.
In this scheme, aim at realizing through braking system realizes that car pedal state signal, car speed signal and above wheel rotational speed are correlated for realize: the method can reflect whether the current braking system can work or not, and can reflect whether the output braking force or braking capacity can meet the current requirement or not through comparison.
As a person skilled in the art, the above schemes involve: the wheel rotation speed signal, the brake pedal stroke signal, the magnitude of the treading force applied to the brake pedal, and the automobile running speed signal are respectively as follows: the comparison is to be performed to reflect whether the rotation speed signal is matched with other signals, so as to obtain a comparison result for manual judgment or directly outputting other signals, such as output control signals: the control signal is the output alarm signal, exports braking system switching signal, and when concrete implementation, corresponding control system if adopt the computer program to realize, can utilize following current industrial computer: the industrial personal computer is used for realizing boiler control, wherein related parameters comprise a boiler feed water pump rotating speed signal, a liquid level signal in a steam drum, a pressure signal in the steam drum, a steam outlet pipe medium flow speed signal, and any one of the above water pump rotating speed signal and the following signals: and when the liquid level signal in the steam drum, the pressure signal in the steam drum and the medium flow speed signal of the steam outlet pipe do not correspond to each other, outputting an alarm. And as the technical personnel, the above water pump rotating speed signal, the steam drum liquid level signal, the steam drum pressure signal and the steam outlet pipe medium flow velocity signal respectively correspond to: the alarm output can directly output an alarm or can be used as a control signal for switching a brake system.
Preferably, the control signal is output according to the comparison result, and the control signal is used for controlling the system to switch the currently used braking system.
As the technical personnel in the field, the comparison can be carried out by adopting a single chip microcomputer and a logic circuit, and the single chip microcomputer can carry out data comparison by adopting a single chip microcomputer with a chip 89F 5162. When the logic circuit is adopted, if the pedal force acquisition device applied to the brake pedal is adopted, a pressure sensor can be adopted, and concretely, if: the automobile brake control method comprises the steps that wheel rotation data are collected through a rotating speed sensor, namely the rotating speed of wheels when an automobile runs, the brake pressure of a brake pedal is collected through a pressure sensor, the rotating data signal and a pressure signal are compared through a comparator, after the brake pedal is stepped, the pressure sensor obtains a signal, when the pressure data is triggered or rises, the rotating speed signal falls, and when the rotating speed signal does not fall or the falling speed is lower than a preset speed, namely a threshold value, an alarm signal or an automobile brake control signal is output.
Specifically, the following settings can be set: the logic circuit used for comparison is to perform first or last and operation in the comparator, perform logic or operation when the pressure signal rises and when the pressure signal is triggered, perform logic and operation when the rotating speed does not fall after the logic or operation, output a signal to the logic and circuit through the logic or operation when the pressure signal is triggered and rises, compare the logic and circuit with the rotating speed signal after receiving the signal, and output an alarm signal or an automobile brake control signal when the rotating speed signal does not fall or the rotating speed signal does not fall beyond a preset speed.
As a person skilled in the art, during the braking process of the vehicle, considering the way of stepping on the brake pedal by the driver, such as intermittent stepping on the brake or the vehicle itself having an ABS system, so that the rotation speed of the vehicle wheel is actually related to the vehicle speed during the whole braking process of the vehicle, and the above vehicle speed is changed with time, so as to more accurately judge the braking performance of the currently used brake system: the relationship of the wheel rotation speed with time or with time is set as: the automobile wheel rotation speed monitoring device further comprises a timing module, and the timing module is used for judging the relation between the wheel rotation speed and the time when the automobile runs.
As an auxiliary form, it is configured as follows: the automobile body inclination monitoring system further comprises an inclination angle sensor, wherein the inclination angle sensor is used for monitoring the inclination condition of the automobile body in the running process of the automobile, and the inclination condition is the inclination condition along the length direction of the automobile body. In this embodiment, the tilt sensor may be separately present in a system, such as a sensor signal output device, to provide the driver with tilt data for reference by the driver: if the braking high-risk factor exists, if the inclination angle sensor detects that the automobile is in a downhill, the fact that the braking high-risk factor exists in the automobile at the moment can be obtained, and when the automobile is braked, the change rate of the rotating speed of wheels is slower than that of the wheels on the uphill and on the level road; the inclination angle sensor can also be connected to the processing module, and the result is input into the processing module to provide original data or basis for comparison of the processing module, for example, when an automobile is braked, even if a currently used braking system can normally work, the rotation speed of the wheel changes to a certain degree and corresponds to larger pedal stroke, pedal pressure or braking time; when a downhill slope of the vehicle is detected, if the pedal is braked, with a pedal travel or pedal pressure signal input, and the wheel speed is unchanged, it can also be concluded that the braking system in use is now operational.
Example 3:
as shown in fig. 1, the present embodiment is further defined on the basis of embodiment 1: the embodiment provides an automobile brake system, which comprises at least two sets of brake systems and further comprises the automobile brake control system provided by any one of the embodiments 1 and 2. The automobile brake system has the characteristic of realizing timely switching between the main brake system and the standby brake system of the automobile.
Example 4:
as shown in fig. 1, the present embodiment is further defined on the basis of embodiment 3: in order to avoid multiple sets of brake systems to lose efficacy simultaneously, do benefit to driving safety, set up to: at least two sets of brake systems are completely independent brake systems. The mutually completely independent brake systems are as follows: for example, in two sets of brake systems, the actuating mechanisms for actuating the brake actions are mutually independent, the driving systems for driving the actuating mechanisms to act are independent, and for the driving systems, if one set is driven by oil pressure, and the other set is also driven by the oil pressure, two sets of oil passages are different oil passages, and the other set can also be a pneumatic system, an electric system and the like. For an actuating mechanism, for example, two sets of brake systems are provided with independent calipers and brake pads.
Example 5:
as shown in fig. 1, the present embodiment provides an automobile, which includes an automobile body, and further includes the automobile brake control system provided in any one of embodiments 1 and 2. The automobile has the characteristic of being beneficial to form safety.
Example 6:
as shown in fig. 1, the present embodiment is further limited by embodiment 5, in which the vehicle body includes an electric drive system, the electric drive system includes a storage battery, an inverter, and a driving motor, the storage battery is used as an electric power supply component of the driving motor, the inverter is used as an operating parameter control component of the driving motor, the inverter is a four-quadrant inverter, and when the vehicle is braked by the driving motor, electric energy generated by the driving motor is stored in the storage battery through the four-quadrant inverter. The scheme provides a system which can be used as an automobile driving part, can brake an automobile and can recover energy in the process of braking the automobile, and the system is shared by a caliper system and a brake disc braking system; when the travel of the brake pedal is small, the treading force applied to the brake pedal is small, and the vehicle speed is low, the system is the only used brake system during the braking of the vehicle so as to improve the energy utilization rate as much as possible. As a person skilled in the art, the travel of the brake pedal is small, the treading force applied to the brake pedal is small, and the vehicle speed is low, and can be set or adjusted according to the specific type, application or driving road conditions of the automobile.
Example 7:
the embodiment provides an automobile braking method, which comprises the following steps of sequentially carrying out:
s1, collecting the rotation speed information of the wheels in the driving process of the automobile;
s2, comparing the data obtained in S1 with the braking condition or the speed of the automobile brake pedal, and outputting an alarm signal or an automobile brake control signal according to the comparison result;
the automobile brake pedal braking condition is a brake pedal travel condition or the magnitude of the treading force applied to the brake pedal, the automobile speed is the automobile running speed, and the comparison is as follows: judging the relation between the data obtained in the S1 and the preset wheel rotation speed threshold corresponding to the current automobile brake pedal braking condition, the pedal force condition of the brake pedal and the vehicle speed condition;
when the data obtained in the S1 is larger than the threshold value, outputting an alarm signal or an automobile brake control signal;
the automobile brake control signal is used for switching a brake system on the automobile or overlapping and starting an idle brake system so as to brake the automobile. The scheme provides an automobile braking method based on the braking system or the control system, and by adopting the method, the driving safety of an automobile can be effectively improved.
Example 8:
this example is further defined on the basis of example 7: at least two sets of brake systems are adopted in the method, and at least two sets of brake systems are completely independent mutually. The scheme aims to avoid the simultaneous failure of all braking systems of the vehicle as far as possible.
As the technical personnel in the field, the automobile running speed acquisition device can adopt a speed sensor, the pedal force magnitude acquisition device applied to the brake pedal can adopt a pressure sensor, the brake pedal stroke acquisition device can adopt a position sensor, and the automobile wheel rotating speed acquisition device can adopt a rotating speed sensor.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary skilled person say, do not deviate from the utility model discloses a other embodiments that reach under the technical scheme all should be contained the utility model discloses a within the scope of protection.
Claims (7)
1. The automobile brake control system comprises a signal acquisition device for collecting automobile running state parameters, and is characterized in that the signal acquisition device comprises an automobile wheel rotating speed acquisition device, and the automobile wheel rotating speed acquisition device is used for monitoring the rotating speed of wheels when an automobile runs;
the signal acquisition device also comprises a brake pedal state acquisition device, and the brake pedal state acquisition device is any one or more of the following devices: the device comprises a brake pedal stroke acquisition device, a brake pedal treading force acquisition device and an automobile running speed acquisition device;
the device also comprises a processing module;
the output ends of the brake pedal state acquisition device and the automobile wheel rotating speed acquisition device are connected to the signal input end of the processing module, and the processing module is used for comparing the data acquired by the brake pedal state acquisition device with the data acquired by the automobile wheel rotating speed acquisition device.
2. The vehicle brake control system of claim 1, further comprising a timing module configured to determine a wheel rotation speed versus time while the vehicle is in motion.
3. The vehicle brake control system according to claim 1, further comprising an inclination sensor for monitoring a body inclination during vehicle driving, wherein the body inclination is along a length of the vehicle body.
4. A vehicle braking system comprising at least two sets of braking systems, further comprising a vehicle braking control system according to any one of claims 1 to 3.
5. The vehicle braking system of claim 4, wherein at least two of the at least two sets of braking systems are completely independent braking systems.
6. A vehicle comprising a vehicle body, characterized by further comprising a vehicle brake control system according to any one of claims 1 to 3.
7. The automobile of claim 6, wherein the automobile body comprises an electric drive system, the electric drive system comprises a storage battery, a frequency converter and a drive motor, the storage battery is used as an electric power supply component of the drive motor, the frequency converter is used as an operating parameter control component of the drive motor, the frequency converter is a four-quadrant frequency converter, and when the automobile is braked by the drive motor, electric energy generated by the drive motor is stored in the storage battery through the four-quadrant frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920033833.6U CN210047463U (en) | 2019-01-09 | 2019-01-09 | Automobile brake control system, automobile brake system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920033833.6U CN210047463U (en) | 2019-01-09 | 2019-01-09 | Automobile brake control system, automobile brake system and automobile |
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| CN210047463U true CN210047463U (en) | 2020-02-11 |
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| CN201920033833.6U Expired - Fee Related CN210047463U (en) | 2019-01-09 | 2019-01-09 | Automobile brake control system, automobile brake system and automobile |
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|---|---|
| CN (1) | CN210047463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532798A (en) * | 2019-01-09 | 2019-03-29 | 谢兴龙 | Automobile brake control system, brake system of car, automobile and automobile brake method |
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2019
- 2019-01-09 CN CN201920033833.6U patent/CN210047463U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532798A (en) * | 2019-01-09 | 2019-03-29 | 谢兴龙 | Automobile brake control system, brake system of car, automobile and automobile brake method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 Termination date: 20220109 |