CN104442760B - A kind of brakes and braking method - Google Patents
A kind of brakes and braking method Download PDFInfo
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- CN104442760B CN104442760B CN201410604460.5A CN201410604460A CN104442760B CN 104442760 B CN104442760 B CN 104442760B CN 201410604460 A CN201410604460 A CN 201410604460A CN 104442760 B CN104442760 B CN 104442760B
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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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
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- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
The invention provides a kind of brakes and braking method, it is related to automobile technical field.The brakes is specifically included：The wheel speed sensors are used for detection speed information；The EMS is used to detect engine torque information and engine speed information；The central control module is used to obtain the first situation of remote that brake switch or TPMS are sent；The central control module is additionally operable to generate the torque control message by the velocity information and the engine torque information and engine speed information according to first situation of remote；The EMS is additionally operable to control engine torque according to the torque control message.The situation of remote that the embodiment of the present invention can integrate each module actively carries out security control to vehicle, and then can improve vehicle safety, for motor vehicle production.
Description
Technical field
The present invention relates to automobile technical field, more particularly to a kind of brakes and braking method.
Background technology
With continuing to develop for automobile industry, the maximum travelling speed of automobile is also constantly being improved, due to running car
The continuous improvement of speed, so the control of unexpected vehicle condition becomes extremely important.
In the prior art, the brakes of automobile is generally included：Brake switch, wheel speed sensors, car body control module (English
Text：Body Control Model, referred to as：BCM), engine management system module (English：Engine Management
System, referred to as：EMS), automatically controlled stability program module (English：Electronic Stability Program, referred to as：ESP)
And air pressure of automobile tire detecting system module (English：Tire Pressure monitoring System, referred to as：TPMS)
Etc. module.Each module of brakes is equipped with control function, to control each module to be operated, but without information between each module
Interaction, i.e., each module works independently.
Because in the prior art, the modules of brake system of car work independently, therefore brake system of car can not
The situation of remote of comprehensive each module actively carries out security control, for example：TPMS modules send tire high temperature alarm information and tire pressure
After change information, the tire high temperature alarm information and tire pressure change information that driver sends according to TPMS modules are entered to brake switch
Row operation, so that the security control to vehicle is realized, and if driver is not concerned about TPMS modules and sends tire high temperature alarm
Information and tire pressure change information or the operating delay to brake switch, then can cause security incident.
The content of the invention
In view of this, the present invention is directed to propose a kind of brakes and braking method and, to solve motor vehicle braking systems
The situation of remote that each module can not be integrated actively carries out the technical problem of security control, so as to improve vehicle safety.
A kind of brakes, including：Central control module, and the brake switch that is connected with the central control module and
TPMS and EMS and wheel speed sensors module；
The wheel speed sensors are used for detection speed information, and the velocity information is sent to the center control mould
Block；
The EMS is used to detect engine torque information and engine speed information, and by the engine torque information
Sent with engine speed information to the central control module；
The central control module is used to obtain the first situation of remote that brake switch or TPMS are sent；
The central control module is additionally operable to according to first situation of remote by the velocity information and described started
Machine torque information and engine speed information generate the torque control message, and the torque control message is sent to described
EMS；
The EMS is additionally operable to control engine torque according to the torque control message.
Further, first situation of remote is the tire air pressure information that the TPMS is sent；
The TPMS is used to detect tire pressure, and generates the tire air pressure information, and the tire air pressure information is sent out
Deliver to the central control module；
The central control module according to the tire air pressure information specifically for judging that tire loses tolerance no more than thanks to gas
When measuring threshold value, the first moment of torsion control is generated by the velocity information and the engine torque information and engine speed information
Information, and first torque control message is sent to the EMS；
The EMS is used to reduce engine torque according to first torque control message；
Or,
The central control module is additionally operable to judge that tire loses tolerance and exceedes thanks to tolerance threshold according to the tire air pressure information
During value, the second moment of torsion control is generated by the velocity information and the engine torque information and engine speed information and believed
Breath, and second torque control message is sent to the EMS；
The EMS is used to disconnect engine torque according to second torque control message.
Further, first situation of remote is temperature alarming information；
The TPMS is used to detect tyre temperature, and the temperature alarming is generated when tyre temperature exceedes alarm temperature threshold value
Information, and the temperature alarming information is sent to the central control module；
The central control module according to the temperature alarming information specifically for passing through the velocity information and the hair
Motivation torque information and engine speed information generate the second torque control message, and second torque control message is sent
To the EMS；
The EMS is used to disconnect engine torque according to second torque control message.
Further, first situation of remote is the passive braking information that the brake switch is sent；
The brake switch is used to generate the operation of brake pedal the passive braking information according to driver, and by institute
Passive braking information is stated to send to the central control module；
The central control module is used to pass through the velocity information and the engine according to the passive braking information
Torque information and engine speed information generate the 3rd torque control message, and the 3rd torque control message is sent to institute
State EMS；
The EMS is used to be adjusted engine torque to zero according to the 3rd torque control message.
Further, the brakes also includes the BCM being connected with the central control module；
The central control module is additionally operable to according to the passive braking information generation airconditioning control information, and by the sky
Control information is adjusted to send to the BCM；
The BCM is used to close air-conditioning system according to the airconditioning control information.
The braking method that a kind of above-mentioned brakes is implemented, including：
Detection speed information and engine torque information and engine speed information；
Obtain the first situation of remote；
The velocity information and the engine torque information and engine speed are passed through according to first situation of remote
Information generates the torque control message；
Engine torque is controlled according to the torque control message.
Further, first situation of remote is tire air pressure information；
Methods described also includes：Tire pressure is detected, and generates the tire air pressure information；
It is described that the velocity information and the engine torque information and engine are passed through according to first situation of remote
Rotary speed information generates the torque control message, specifically includes：
When judging that tire loses tolerance no more than thanks to tolerance threshold value according to the tire air pressure information, pass through the velocity information
The first torque control message is generated with the engine torque information and engine speed information；
It is described that engine torque is controlled according to the torque control message, specifically include：
Engine torque is reduced according to first torque control message；
Or,
It is described that the velocity information and the engine torque information and engine are passed through according to first situation of remote
Rotary speed information generates the torque control message, specifically also includes：
When judging that tire loses tolerance and exceedes thanks to tolerance threshold value according to the tire air pressure information, by the velocity information and
The engine torque information and engine speed information generate the second torque control message；
It is described that engine torque is controlled according to the torque control message, specifically also include：According to the second moment of torsion control
Information processed disconnects engine torque.
Further, first situation of remote is temperature alarming information；
Methods described also includes：Tyre temperature is detected, the temperature is generated when tyre temperature exceedes alarm temperature threshold value
Warning message；
It is described that the velocity information and the engine torque information and engine are passed through according to first situation of remote
Rotary speed information generates the torque control message, specifically includes：
The velocity information and the engine torque information and engine speed are passed through according to the temperature alarming information
Information generates the second torque control message；
It is described that engine torque is controlled according to the torque control message, specifically include：
Engine torque is disconnected according to second torque control message.
Further, first situation of remote is passive braking information；
Methods described also includes：The passive braking information is generated to the operation of brake pedal according to driver；
It is described that the velocity information and the engine torque information and engine are passed through according to first situation of remote
Rotary speed information generates the torque control message, specifically includes：
The velocity information and the engine torque information and engine speed are passed through according to the passive braking information
Information generates the 3rd torque control message；
It is described that engine torque is controlled according to the torque control message, specifically include：
Engine torque is adjusted to zero according to the 3rd torque control message.
Further, methods described also includes：
According to the passive braking information generation airconditioning control information；
Air-conditioning system is closed according to the airconditioning control information.
Relative to prior art, brakes and braking method described in the embodiment of the present invention have the advantage that：This hair
Brakes and braking method described in bright embodiment, central control module is added compared to prior art, for obtaining system
The first situation of remote and the velocity information of wheel speed sensors detection and the engine of EMS detections that dynamic switch or TPMS are sent are turned round
Square information and engine speed information, and the velocity information and the engine torque information are passed through according to the first situation of remote
And engine speed information generation torque control message, then torque control message is sent to the EMS, finally controlled again by EMS
Engine torque processed, thus in the embodiment of the present invention central control module can integrate each module situation of remote actively pacified
Full control, and then can improve and improve vehicle safety.
Brief description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is brakes schematic diagram provided in an embodiment of the present invention；
The brakes schematic diagram that Fig. 2 provides for another embodiment of the present invention；
Fig. 3 is braking method flow chart of steps provided in an embodiment of the present invention；
The braking method flow chart of steps that Fig. 4 provides for another embodiment of the present invention；
The braking method flow chart of steps that Fig. 5 provides for further embodiment of this invention；
The braking method flow chart of steps that Fig. 6 provides for yet another embodiment of the invention.
Description of reference numerals：
101- central control modules, 102- brake switches, 103-TPMS, 104-EMS, 105- wheel speed sensors, 106-
BCM, 107- instrumentation module.
Embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
Term " first ", " second " be only used for describe purpose, and it is not intended that indicate or imply relative importance or
The implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or imply
Ground includes one or more this feature.In the description of the invention, it is necessary to explanation, unless otherwise clear and definite regulation and
Limit, term " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly connect
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can
To be the connection of two element internals.The mode based on " connection " is based primarily upon rigid line connection in following embodiments of the present invention
With controller local area network's (English：Controller Area Network, referred to as：CAN) bus is connected.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Shown in reference picture 1, the embodiment of the present invention provides a kind of brakes 100：Including：Central control module 101, and
The brake switch 102 and TPMS 103 and EMS104 and wheel speed sensors module 105 being connected with the central control module 101；
The wheel speed sensors 105 are used for detection speed information, and the velocity information is sent to the center control
Module 101；Wherein, velocity information includes：Vehicle wheel rotational speed and wheel difference in wheel；Central control module 101 can be believed according to speed
Breath may determine that the travel speed of vehicle with transport condition；
The EMS104 is used to detect engine torque information and engine speed information, and the engine torque is believed
Breath and engine speed information are sent to the central control module 101；Wherein, central control module 101 is by receiving
Engine torque information and engine speed information can carry out the confirmation of whole vehicle state；
The central control module 101 is used to obtain the first situation of remote that brake switch 102 or TPMS 103 are sent；
The central control module 101 is additionally operable to pass through the velocity information and the hair according to first situation of remote
Motivation torque information and engine speed information generation torque control message, and the torque control message is sent to described
EMS 104；
The EMS 104 is additionally operable to control engine torque according to the torque control message.
That is, when central control module 101 receives the first situation of remote, the vehicle speed obtained with reference to velocity information at that time
Degree and transport condition and the whole vehicle state by engine torque information and engine speed confirmation at that time, then to each information
Data carry out comprehensive improvement analysis, generate the torque control message, and send to the EMS 104, and hair is controlled by EMS 104
Motivation moment of torsion.Wherein, central control module 101 is preferred to use ESP.
Brakes described in the embodiment of the present invention, central control module is added compared to prior art, for obtaining
The first situation of remote and the velocity information of wheel speed sensors detection and the engine of EMS detections that brake switch or TPMS are sent
Torque information and engine speed information, and believed according to the first situation of remote by the velocity information and the engine torque
Breath and engine speed information generation torque control message, then torque control message is sent to the EMS, finally again by EMS
Engine torque is controlled, so the situation of remote that the central control module in the embodiment of the present invention can integrate each module is actively right
Vehicle carries out security control, and then can improve vehicle safety.
Referring to Fig. 2, the first different situation of remote are received for central control module 101, and according to different
One situation of remote generates specific torque control message and elaborated；
When driver is without any operation, the brakes that embodiments of the invention are provided actively can subtract to vehicle
Speed and braking, so as to realize runflat control and degradation control of blowing out.
Specific optional, first situation of remote is the tire air pressure information that the TPMS103 is sent；
The TPMS103 is used to detect tire pressure, and generates the tire air pressure information, by the tire air pressure information
Send to the central control module 101；
The central control module 101 according to the tire air pressure information specifically for judging that tire loses tolerance no more than thanks to
During tolerance threshold value, the first torque control message is generated, and first torque control message is sent to the EMS104；
The EMS104 is used to reduce engine torque according to first torque control message.
The central control module 101 is additionally operable to judge that tire loses tolerance and exceedes thanks to tolerance according to the tire air pressure information
During threshold value, the second torque control message is generated, and second torque control message is sent to the EMS104；
The EMS104 is used to disconnect engine torque according to second torque control message.
Further, shown in reference picture 2, the brakes in above-described embodiment can also include：With the center control mould
The instrumentation module 107 of block connection, the central control module 101 is additionally operable to judge tire thanks to gas according to the tire air pressure information
When amount exceedes thanks to tolerance threshold value, generation alarm lamp lights information, and the alarm lamp is lighted into information sent to the instrument mould
Block 107；
The instrumentation module 107 lights information according to the alarm lamp and lights alarm lamp.
Specific optional, first situation of remote is temperature alarming information；
The TPMS103 is used to detect tyre temperature, and the temperature is generated when tyre temperature exceedes alarm temperature threshold value
Warning message, and the temperature alarming information is sent to the central control module；
The central control module 101 specifically for according to the temperature alarming information generate the second torque control message,
And send second torque control message to the EMS 104；
The EMS 104 is used to disconnect engine torque according to second torque control message.
Further, above-mentioned brakes can also include：The instrumentation module 107 being connected with the central control module；
The central control module 101 is additionally operable to light information according to temperature alarming information generation alarm lamp, and will
The alarm lamp is lighted information and sent to the instrumentation module 107；
The instrumentation module 107 lights information according to the alarm lamp and lights alarm lamp.
Further, the central control module 101 is additionally operable to generate active brake letter according to first situation of remote
Breath.When central control module 101 is using ESP, the brakes of vehicle can carry out ESP according to the active brake information actively
Braking.
Wherein, exemplary, wheel speed sensors 105 connect central control by way of rigid line is connected in above-described embodiment
Module 101；TPMS 101 connects central control module 101 by way of CAN is connected；BCM 106 is by way of CAN is connected
Connect central control module 101；EMS connects central control module 101 by way of CAN is connected, and instrumentation module 107 passes through
The mode of CAN connections connects central control module 101；Using the CAN advantages connected be can reduce stitch in each module and
Wire harness；Central control module 101 directly control instrument module 107 can light alarm lamp, or conventionally, by
TPMS103 control instruments module 107 exceedes thanks to gas detecting tyre temperature and lose tolerance more than alarm temperature threshold value or tire
Alarm lamp is lighted during amount threshold value.
In above-described embodiment, central control module 101 is believed by receiving the tyre pressure or tire temperature of TPMS103 transmissions
Breath actively increase braking, vehicle power control is actively carried out according to tyre pressure, preferential to carry out when there is tire thanks to gas in a small amount
Engine torque output is reduced, so as to be controlled using reduction of speed, grade of blowing out is reduced；Occurring, tire significantly loses gas or tire is high
During temperature alarm, engine torque output is disconnected, while being warned by alarm lamp, runflat control is realized, so as to reduce danger
Dangerous grade.
On the basis of above-mentioned scheme, when based on braking preferential, i.e., driver controls braking to open by stepping on brake pedal
Guan Shi, reference picture 2 is specific optional, and first situation of remote is the passive braking information that the brake switch 102 is sent；
The brake switch 102 is used to generate the passive braking information to the operation of brake pedal according to driver, and
The passive braking information is sent to the central control module；
The central control module 101 is used to generate the 3rd torque control message according to the passive braking information, and will
3rd torque control message is sent to the EMS 104；
The EMS104 is used to be adjusted engine torque to zero according to the 3rd torque control message.Wherein existing
Brake switch 102 also sends passive brake signal to mechanical braking system (not shown) and EMS104 simultaneously in technology, from
And make it that EMS104 control engine torques are not further added by, even if driver's accelerator pedal.
Further alternative, the brakes in above-described embodiment, Fig. 2 also show：Connect with the central control module
The BCM 106 connect；
The central control module 101 is additionally operable to according to the passive braking information generation airconditioning control information, and by institute
Airconditioning control information is stated to send to the BCM 106；
The BCM 106 is used to close air-conditioning system according to the airconditioning control information.
The vacuum of vacuum boost system can be lifted by closing air-conditioning system, with vacuum needed for reaching vehicle braking
Limit, it is ensured that the braking of vehicle, so as to lift braking ability.
Wherein, exemplary, brake switch 102 connects central control module, brake switch by way of rigid line is connected
102 connect instrumentation module 107 by way of rigid line is connected, in driver's brake pedal, the controller of brake switch 102
Table module 107 lights Brake lamp.Further alternative, the central control module 101 in above-described embodiment is additionally operable to according to described
Passive braking information closes 4 wheel driven pattern.
Brakes of the present invention, central control module 101 is added compared to prior art, excellent based on braking
When first, central control module 101 obtains the passive braking information that brake switch 102 is sent, and is generated according to passive braking information
Torque control message, then torque control message is sent to the EMS104, finally adjusted again by EMS104 control engine torques
It is whole to zero, active safety control can be carried out with the information of each module of synthetical restraint system in this embodiment, and then can improve
Vehicle safety.
Meanwhile, central control module 101 can control the light on and off of brake lamp according to passive braking information by BCM 106,
Further, central control module 101 is additionally operable to close air-conditioning system by BCM106 controls according to the passive braking information
To lift the vacuum of vacuum boost system, it is achieved thereby that the upgrading of braking ability.
Optionally, shown in reference picture 2, the brakes also includes the BCM being connected with the central control module 101
106；
The central control module 101 is additionally operable to generate brake lamp control information according to first situation of remote, and will
The brake lamp control information is sent to the BCM106；
The BCM106 is used to open brake lamp according to the brake lamp control information.
In above-described embodiment, realize the situation of remote that other modules are integrated by central control module 101 and actively enter driving
The control of brake lamp, improves vehicle safety.
Shown in reference picture 3, one embodiment of the invention provides a kind of braking method, comprises the following steps：
301st, detection speed information and engine torque information and engine speed information.
Wherein, the velocity information includes：The information of vehicle wheel rotational speed and wheel difference in wheel；
302nd, the first situation of remote is obtained.
303rd, the velocity information and the engine torque information and engine are passed through according to first situation of remote
Rotary speed information generates the torque control message.
304th, engine torque is controlled according to the torque control message.
Braking method described in the embodiment of the present invention, can by obtain the first situation of remote and detection velocity information and
The engine torque information and engine speed information of detection, and the velocity information and described is passed through according to the first situation of remote
Engine torque information and engine speed information generation torque control message, then control engine to turn round by torque control message
Square, the information for realizing comprehensive each module transmission carries out carrying out active safety control to vehicle, and then can improve vehicle safety
Property.
Optionally, methods described also includes：
305th, brake lamp control information is generated according to first situation of remote.
306th, brake lamp is opened according to the brake lamp control information.
The control of vehicle braking lamp is actively carried out in above-described embodiment by the situation of remote of other comprehensive modules, is improved
Vehicle safety.
Elaborated below for specific torque control message is generated according to the first different situation of remote；
When driver is without any operation, the braking method that embodiments of the invention are provided actively can be slowed down and be made
It is dynamic, so as to realize runflat control and degradation control of blowing out；Wherein the first situation of remote is tire air pressure information and temperature alarming
At least one of information；When the first situation of remote is tire air pressure information：The braking method that embodiments of the invention are provided,
Reference picture 4, specifically includes following steps：
401st, detection speed information and engine torque information and engine speed information.
402nd, tire pressure is detected, and generates the tire air pressure information.
When the 403rd, judging that tire loses tolerance no more than thanks to tolerance threshold value according to the tire air pressure information, pass through the speed
Information and the engine torque information and engine speed information generate the first torque control message.
404th, engine torque is reduced according to first torque control message.
When the 405th, judging that tire loses tolerance more than thanks to tolerance threshold value according to the tire air pressure information, believed by the speed
Breath and the engine torque information and engine speed information generate the second torque control message.
406th, engine torque is disconnected according to second torque control message.
Optionally, this method can also comprise the following steps：
When the 407th, judging that tire loses tolerance more than thanks to tolerance threshold value according to the tire air pressure information, generation alarm lamp is lighted
Information.
408th, information is lighted according to the alarm lamp and lights alarm lamp.
409th, active brake information is generated according to the tire air pressure information.
Sequence number wherein in above-mentioned steps is not that the limitation of sequencing is performed to flow, and wherein above steps is held
The sequencing of row order logically is carried out, and is referred to the order in accompanying drawing 4, and such as step 401 and 402 is not limited first
Order, 401 and 402 can logically be carried out simultaneously afterwards.
When the first situation of remote is temperature alarming information, the braking method that embodiments of the invention are provided, reference picture 5,
Specifically include following steps：
501st, detection speed information and engine torque information and engine speed information.
502nd, tyre temperature is detected, the temperature alarming information is generated when tyre temperature exceedes alarm temperature threshold value.
503rd, the velocity information and the engine torque information and engine are passed through according to the temperature alarming information
Rotary speed information generates the second torque control message.
504th, engine torque is disconnected according to second torque control message.
Optionally, this method can also comprise the following steps：
505th, alarm lamp is generated according to the temperature alarming information and lights information.
506th, information is lighted according to the alarm lamp and lights alarm lamp.
507th, active brake information is generated according to the temperature alarming information.
Sequence number wherein in above-mentioned steps is not that the limitation of sequencing is performed to flow, and wherein above steps is held
The sequencing of row order logically is carried out, and is referred to the order in accompanying drawing 5, and such as step 501 and 502 is not limited first
Order, 501 and 502 can logically be carried out simultaneously afterwards.
In above-described embodiment, by tyre pressure or tire temperature information, actively increase is braked, according to tyre pressure actively
Vehicle power control is carried out, it is preferential to carry out reduction engine torque output when there is tire thanks to gas in a small amount, so that using reduction of speed
Control, reduces grade of blowing out；Gas is significantly lost there is tire or during tire high temperature alarm, disconnects engine torque output, together
When warned by alarm lamp, runflat control is realized, so as to reduce danger classes.
On the basis of above-mentioned scheme, when based on braking preferential, i.e., driver controls braking to open by stepping on brake pedal
Guan Shi, reference picture 6 is specific optional, and first situation of remote is the passive braking information that brake switch is generated；
601st, detection speed information and engine torque information and engine speed information；
602nd, the passive braking information is generated to the operation of brake pedal according to driver.
603rd, the 3rd torque control message is generated according to the passive braking information.
604th, engine torque is adjusted to zero according to the 3rd torque control message.
605th, airconditioning control information is generated according to the passive braking information.
606th, air-conditioning system is closed according to the airconditioning control information.
Optionally, this method can also comprise the following steps：
607th, 4 wheel driven pattern is closed according to the passive braking information.
608th, active brake information is generated according to the passive braking information.
Sequence number wherein in above-mentioned steps is not that the limitation of sequencing is performed to flow, and wherein above steps is held
The sequencing of row order logically is carried out, and is referred to the order in accompanying drawing 6, and such as step 601 and 602 is not limited first
Order afterwards, logically operation of the driver to brake pedal can occur while occurring in step 601 detection speed letter in 602
During breath and engine torque information and engine speed information.
When based on braking preferential, the braking method includes：The passive braking information of acquisition brake switch generation, and according to
Passive braking information generation torque control message, and control engine torque to adjust to zero, in the reality according to torque control message
Active safety control can be carried out with the information of each module of synthetical restraint system by applying in example, and then can improve vehicle driving safety
Property.
Meanwhile, the light on and off of brake lamp can be controlled according to passive braking information, further, in addition to according to described passive
Braking information control closes air-conditioning system to lift the vacuum of vacuum boost system, it is achieved thereby that the upgrading of braking ability.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of brakes, it is characterised in that including：Central control module, and be connected with the central control module
Brake switch and TPMS and EMS and wheel speed sensors module；
The wheel speed sensors are used for detection speed information, and the velocity information is sent to the central control module；
The EMS is used to detect engine torque information and engine speed information, and by the engine torque information and hair
Motivation rotary speed information is sent to the central control module；
The central control module is used to obtain the first situation of remote that brake switch or TPMS are sent；
The central control module is additionally operable to be turned round by the velocity information and the engine according to first situation of remote
Square information and engine speed information generation torque control message, and the torque control message is sent to the EMS；
The EMS is additionally operable to control engine torque according to the torque control message；
Wherein, first situation of remote is the tire air pressure information that the TPMS is sent；
The TPMS is used to detect tire pressure, and generates the tire air pressure information, by the tire air pressure information send to
The central control module；
The central control module according to the tire air pressure information specifically for judging that tire loses tolerance no more than thanks to tolerance threshold
During value, the first moment of torsion control is generated by the velocity information and the engine torque information and engine speed information and believed
Breath, and first torque control message is sent to the EMS；
The EMS is used to reduce engine torque according to first torque control message；
Or,
When the central control module is additionally operable to judge that tire loses tolerance more than thanks to tolerance threshold value according to the tire air pressure information,
Second torque control message is generated by the velocity information and the engine torque information and engine speed information, and will
Second torque control message is sent to the EMS；
The EMS is used to disconnect engine torque according to second torque control message.
2. brakes according to claim 1, it is characterised in that first situation of remote is temperature alarming information；
The TPMS is used to detect tyre temperature, and the temperature alarming letter is generated when tyre temperature exceedes alarm temperature threshold value
Breath, and the temperature alarming information is sent to the central control module；
The central control module according to the temperature alarming information specifically for passing through the velocity information and the engine
Torque information and engine speed information generate the second torque control message, and second torque control message is sent to institute
State EMS；
The EMS is used to disconnect engine torque according to second torque control message.
3. brakes according to claim 1, it is characterised in that first situation of remote is sent out for the brake switch
The passive braking information sent；
The brake switch is used to generate the operation of brake pedal the passive braking information according to driver, and by the quilt
Dynamic braking information is sent to the central control module；
The central control module is used to pass through the velocity information and the engine torque according to the passive braking information
Information and engine speed information generate the 3rd torque control message, and the 3rd torque control message is sent to described
EMS；
The EMS is used to be adjusted engine torque to zero according to the 3rd torque control message.
4. brakes according to claim 3, it is characterised in that the brakes also includes controlling with the center
The BCM of module connection；
The central control module is additionally operable to according to the passive braking information generation airconditioning control information, and by the air-conditioning control
Information processed is sent to the BCM；
The BCM is used to close air-conditioning system according to the airconditioning control information.
5. a kind of braking method, it is characterised in that including：
The control information of central control module generation；
Detection speed information and engine torque information and engine speed information；
Obtain the first situation of remote；
The velocity information and the engine torque information and engine speed information are passed through according to first situation of remote
Generate torque control message；
Engine torque is controlled according to the torque control message；
First situation of remote is tire air pressure information；
Methods described also includes：Tire pressure is detected, and generates the tire air pressure information；
The velocity information and the engine torque information and engine speed information are passed through according to first situation of remote
The torque control message is generated, is specifically included：
When judging that tire loses tolerance no more than thanks to tolerance threshold value according to the tire air pressure information, pass through the velocity information and institute
State engine torque information and engine speed information generates the first torque control message；
Engine torque is controlled according to the torque control message, specifically included：
Engine torque is reduced according to first torque control message；
Or,
The velocity information and the engine torque information and engine speed information are passed through according to first situation of remote
The torque control message is generated, is specifically also included：
When judging that tire loses tolerance and exceedes thanks to tolerance threshold value according to the tire air pressure information, by the velocity information and described
Engine torque information and engine speed information generate the second torque control message；
Engine torque is controlled according to the torque control message, specifically also included：It is disconnected according to second torque control message
Start the engine moment of torsion.
6. braking method according to claim 5, it is characterised in that first situation of remote is temperature alarming information；
Methods described also includes：Tyre temperature is detected, the temperature alarming is generated when tyre temperature exceedes alarm temperature threshold value
Information；
The velocity information and the engine torque information and engine speed information are passed through according to first situation of remote
The torque control message is generated, is specifically included：
The velocity information and the engine torque information and engine speed information are passed through according to the temperature alarming information
Generate the second torque control message；
It is described that engine torque is controlled according to the torque control message, specifically include：
Engine torque is disconnected according to second torque control message.
7. braking method according to claim 5, it is characterised in that first situation of remote is passive braking information；
Methods described also includes：The passive braking information is generated to the operation of brake pedal according to driver；
The velocity information and the engine torque information and engine speed information are passed through according to first situation of remote
The torque control message is generated, is specifically included：
The velocity information and the engine torque information and engine speed information are passed through according to the passive braking information
Generate the 3rd torque control message；
It is described that engine torque is controlled according to the torque control message, specifically include：
Engine torque is adjusted to zero according to the 3rd torque control message.
8. braking method according to claim 7, it is characterised in that methods described also includes：
According to the passive braking information generation airconditioning control information；
Air-conditioning system is closed according to the airconditioning control information.
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| CN201410604460.5A CN104442760B (en) | 2014-10-30 | 2014-10-30 | A kind of brakes and braking method |
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| CN104442760B true CN104442760B (en) | 2017-08-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102015207256A1 (en) * | 2015-04-21 | 2016-10-27 | Shimano Inc. | Bicycle brake control system |
| CN107336707A (en) * | 2016-04-29 | 2017-11-10 | 长城汽车股份有限公司 | Control method, system and the vehicle of vehicle |
| CN110397508A (en) * | 2018-04-24 | 2019-11-01 | 宝沃汽车（中国）有限公司 | Speed data collection method, apparatus and system, engine management system and vehicle |
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| US6498967B1 (en) * | 2001-09-10 | 2002-12-24 | The Goodyear Tire & Rubber Company | Tire initiated vehicle control system |
| CN101380876A (en) * | 2008-09-04 | 2009-03-11 | 清华大学 | Vehicle tyre-bursting security control method and system |
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