CN108819834A - A kind of braking lamp control method, device, entire car controller and electric car - Google Patents
A kind of braking lamp control method, device, entire car controller and electric car Download PDFInfo
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- CN108819834A CN108819834A CN201810701074.6A CN201810701074A CN108819834A CN 108819834 A CN108819834 A CN 108819834A CN 201810701074 A CN201810701074 A CN 201810701074A CN 108819834 A CN108819834 A CN 108819834A
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- speed
- electric car
- brake lamp
- deceleration
- negative torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
- B60Q1/445—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal controlled by inertial devices
- B60Q1/447—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal controlled by inertial devices with indication of the braking strength or speed changes, e.g. by changing the shape or intensity of the indication
Abstract
The present invention provides a kind of braking lamp control method, device, entire car controller and electric car, is related to full-vehicle control technical field, the braking lamp control method includes：When electric car is in and slides energy regenerating operating condition, the speed of the electric car is obtained in real time；According to the speed obtained in real time, the retarding braking parameter of the electric car is calculated；Wherein the retarding braking parameter includes deceleration and/or negative torque；According to the retarding braking parameter, lighting or extinguishing for the Brake lamp of the electric car is controlled.The solution of the present invention, it is in and is slided under energy regenerating operating condition in the electric car, lighting or extinguish according to the Brake lamp of electric car described in negative torque and/or deceleration-based controller, so that electric car described in other vehicles of surrounding is reminded to be currently at deceleration regime, the generation to avoid traffic accident.
Description
Technical field
The invention belongs to full-vehicle control technical fields, more particularly, to a kind of braking lamp control method, device, full-vehicle control
Device and electric car.
Background technique
Vehicle sliding refers to that during motor-driven vehicle going, gear lever is placed in neutral gear position by driver, make engine with
The clutch separation of driving wheel is opened, the operating method travelled using vehicle inertia.So the acceleration of vehicle is stepped in taxiing procedures
Plate and brake pedal are not trampled.And in the prior art, the Brake lamp of vehicle is only trampled Shi Caihui quilt in brake pedal
It lights, therefore, for electric car in the case where sliding energy regenerating operating condition, Brake lamp is in OFF state always, this results in other vehicles
Being unable to learn in time coasting vehicle is in deceleration regime, leads to traffic accident.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of braking lamp control method, device, entire car controller and electronic vapour
Vehicle can not be lighted to remind other vehicles of surrounding by Brake lamp under energy regenerating operating condition to solve vehicle and be in slide, be led
The problem of causing traffic accident to occur.
To achieve the goals above, the present invention provides a kind of braking lamp control methods, including：
When electric car is in and slides energy regenerating operating condition, the speed of the electric car is obtained in real time；
According to the speed obtained in real time, the retarding braking parameter of the electric car is calculated；The wherein deceleration system
Dynamic parameter includes deceleration and/or negative torque；
According to the retarding braking parameter, lighting or extinguishing for the Brake lamp of the electric car is controlled.
Wherein, when the retarding braking parameter includes deceleration, the speed that the basis obtains in real time calculates institute
The step of stating the retarding braking parameter of electric car include：
According to current time speed and the speed at the top n moment adjacent with current time, the electric car is calculated
First average speed；
According to the speed of the previous moment adjacent with current time, and the vehicle at the preceding M moment adjacent with previous moment
Speed calculates the second average speed of the electric car；Wherein, M and N is identical integer, and is greater than or equal to 2；
According to first average speed and second average speed and the time at current time and previous moment
Difference calculates the deceleration of the electric car；Wherein, the deceleration is first average speed and the second average vehicle
The difference of speed and the ratio of the time difference.
Wherein, according to current time speed and the speed at the top n moment adjacent with current time, the electronic vapour is calculated
The step of first average speed of vehicle includes：
Delete current time speed and the first the max speed and the first minimum speed in the speed at top n moment；
According to N-1 speed after the first the max speed of deletion and the first minimum speed, the described first average vehicle is calculated
Speed；Wherein, first average speed is the average value of N-1 speed；
Wherein, according to the speed of the previous moment adjacent with current time, and the preceding M moment adjacent with previous moment
Speed, the step of calculating the second average speed of the electric car includes：
Delete previous moment speed and the second the max speed and the second minimum speed in preceding M speed；
According to M-1 speed after the second the max speed of deletion and the second minimum speed, the described second average vehicle is calculated
Speed；Wherein, second average speed is the average value of M-1 speed.
Wherein, when the retarding braking parameter includes negative torque, the speed that the basis obtains in real time calculates institute
The step of stating the retarding braking parameter of electric car include：
The mapping table of speed and negative torque according to the pre-stored data obtains negative twist corresponding with current time speed
Square.
Wherein, described according to the retarding braking parameter when the retarding braking parameter includes deceleration, described in control
The Brake lamp of electric car is lighted or includes the step of extinguishing：
It is currently OFF state in the Brake lamp, and the deceleration controls institute positioned at when presetting within the scope of deceleration
Brake lamp is stated to light；It is illuminating state in the Brake lamp, and the deceleration is greater than the maximum of the default deceleration range
Value or less than the default deceleration range minimum value when, control the Brake lamp and extinguish.
Wherein, described according to the retarding braking parameter when the brake parameters include negative torque, it controls described electronic
The Brake lamp of automobile is lighted or includes the step of extinguishing：
Currently it is OFF state in the Brake lamp, and when the negative torque is located in preset negative torque range, controls institute
Brake lamp is stated to light；It is currently illuminating state in the Brake lamp, and the negative torque is greater than the preset negative torque range
Maximum value or less than the preset negative torque range minimum value when, control the Brake lamp and extinguish.
The embodiment of the present invention also provides a kind of brake lamp coutrol device, including：
Module is obtained, for obtaining the electric car in real time when electric car is in and slides energy regenerating operating condition
Speed；
Computing module, for calculating the retarding braking parameter of the electric car according to the speed obtained in real time；Its
Described in retarding braking parameter include deceleration and/or negative torque；
Control module, for according to the retarding braking parameter, controlling lighting or putting out for the Brake lamp of the electric car
It goes out.
Wherein, the computing module includes：
First computational submodule, for when the retarding braking parameter includes deceleration, according to current time speed and
The speed at the top n moment adjacent with current time calculates the first average speed of the electric car；
Second computational submodule, for the speed according to the previous moment adjacent with current time, and and previous moment
The speed at adjacent preceding M moment, calculates the second average speed of the electric car；Wherein, M and N is identical integer, and
More than or equal to 2；
Third computational submodule, for according to first average speed and second average speed and it is current when
The time difference with previous moment is carved, the deceleration of the electric car is calculated；Wherein, the deceleration is the described first average vehicle
The difference of fast and described second average speed and the ratio of the time difference.
Wherein, first computational submodule includes：
First delete unit, for delete the first the max speed in current time speed and the speed at top n moment and
First minimum speed；
First computing unit, for according to N-1 speed after the first the max speed of deletion and the first minimum speed, meter
Calculate first average speed；Wherein, first average speed is the average value of N-1 speed；
Wherein, second computational submodule includes：
Second deletes unit, for deleting the second the max speed and second in previous moment speed and preceding M speed most
Small speed；
Second computing unit, for according to M-1 speed after the second the max speed of deletion and the second minimum speed, meter
Calculate second average speed；Wherein, second average speed is the average value of M-1 speed.
Wherein, the computing module includes：
Acquisition submodule, for when the retarding braking parameter includes negative torque, speed according to the pre-stored data and negative
The mapping table of torque obtains negative torque corresponding with current time speed.
Wherein, when the retarding braking parameter includes deceleration, the control module is used for current in the Brake lamp
For OFF state, and when the deceleration is located within the scope of default deceleration, controls the Brake lamp and light；In the Brake lamp
For illuminating state, and the deceleration is greater than the maximum value of the default deceleration range or is less than the default deceleration range
Minimum value when, control the Brake lamp and extinguish.
Wherein, when the brake parameters include negative torque, the control module is used in the Brake lamp currently be to put out
It goes out state, and when the negative torque is located in preset negative torque range, controls the Brake lamp and light；It is current in the Brake lamp
For illuminating state, and the negative torque is greater than the maximum value of the preset negative torque range or is less than the preset negative torque range
Minimum value when, control the Brake lamp and extinguish.
The embodiment of the present invention also provides a kind of electric car, including brake lamp coutrol device as described above.
The embodiment of the present invention also provides a kind of entire car controller, including processor, memory and is stored in the memory
Computer program that is upper and can running on the processor, is realized as above when the computer program is executed by the processor
The step of described braking lamp control method.
The embodiment of the present invention also provides a kind of computer readable storage medium, stores on the computer readable storage medium
The step of having computer program, braking lamp control method as described above is realized when the computer program is executed by processor.
Above-mentioned technical proposal of the invention at least has the advantages that：
The present invention by electric car be in slide energy regenerating operating condition under, according to the demand negative twist of the electric car
The Brake lamp that square controls the electric car is lighted or is extinguished, alternatively, making according to the deceleration-based controller of the electric car
Dynamic lamp is lighted or is extinguished, and the purpose for reminding other vehicles in time is realized, and reduces a possibility that traffic accident occurs.
Detailed description of the invention
Fig. 1 is the basic step schematic diagram of the braking lamp control method of the embodiment of the present invention；
Fig. 2 is the basic composition schematic diagram of the brake lamp coutrol device of the embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The embodiment of the present invention is in the case where sliding energy regenerating operating condition, what Brake lamp can not be lighted asks vehicle in the prior art
Topic provides a kind of braking lamp control method, device, entire car controller and electric car.
As shown in Figure 1, one embodiment of the invention provides a kind of braking lamp control method, including：
Step 11, when electric car is in and slides energy regenerating operating condition, the speed of the electric car is obtained in real time.
In the present embodiment, the real-time acquisition, which can be understood as being spaced pre-set duration, obtains the electric car
Speed, wherein the pre-set duration can send the week of message information between vehicle speed sensor and entire car controller
The period of phase, the message information are very of short duration, generally 0.2ms.
Step 12, according to the speed obtained in real time, the retarding braking parameter of the electric car is calculated；It is wherein described
Retarding braking parameter includes deceleration and/or negative torque.
In the present embodiment, the retarding braking parameter can only include deceleration, can also only include negative torque, can be with
It simultaneously include deceleration and negative torque；The design parameter for including according to the retarding braking parameter is illustrated to control system respectively below
The detailed process that dynamic lamp is lighted or extinguished.
Step 13, according to the retarding braking parameter, lighting or extinguishing for the Brake lamp of the electric car is controlled.
The braking lamp control method of the embodiment of the present invention slides energy regenerating operating condition by being in the electric car
When, according to the deceleration and/or negative torque of the electric car, the Brake lamp for controlling the electric car is lighted or is extinguished, from
And other vehicles around the electric car are reminded, presently described electric car is in deceleration regime, reduces traffic accident
A possibility that generation.
On the one hand, when the retarding braking parameter includes deceleration, step 12, according to the speed obtained in real time,
The retarding braking parameter of the electric car is calculated, including：
According to current time speed and the speed at the top n moment adjacent with current time, the electric car is calculated
First average speed；According to the speed of the previous moment adjacent with current time, and the preceding M moment adjacent with previous moment
Speed, calculate the second average speed of the electric car；Wherein, M and N is identical integer, and is greater than or equal to 2；Root
According to first average speed and second average speed and the time difference at current time and previous moment, described in calculating
The deceleration of electric car；Wherein, the deceleration be first average speed and second average speed difference with
The ratio of the time difference.
What needs to be explained here is that at the time of the moment at each of N number of moment respectively corresponds an acquisition speed, i.e. institute
At the time of stating entire car controller and determine speed according to the message information being currently received；Alternatively, pre-set obtain the electricity
The time interval of the two neighboring speed of electrical automobile, wherein the time interval is a fixed value.In addition, the N in the present embodiment
A moment be before current time (current message information cycle), and it is adjacent with current time (current message information cycle)
N number of moment (message information period), and N number of moment is continuous N number of moment.
The method of the deceleration of the calculating electric car of the embodiment of the present invention is relative to directly utilizing current time vehicle
The deceleration of electric car described in the difference and the ratio calculation of time difference of speed and previous moment speed, improves and subtracts described in calculating
The accuracy of speed.
More specifically, according to current time speed and the speed at the top n moment adjacent with current time, the electricity is calculated
The step of first average speed of electrical automobile includes：
Delete current time speed and the first the max speed and the first minimum speed in the speed at top n moment；According to
N-1 speed after the first the max speed and the first minimum speed is deleted, first average speed is calculated；Wherein, described
First average speed is the average value of N-1 speed.
More specifically, according to the speed of the previous moment adjacent with current time, and the preceding M adjacent with previous moment
The speed at moment, the step of calculating the second average speed of the electric car include：
Delete previous moment speed and the second the max speed and the second minimum speed in preceding M speed；
According to M-1 speed after the second the max speed of deletion and the second minimum speed, the described second average vehicle is calculated
Speed；Wherein, second average speed is the average value of M-1 speed.
In the present embodiment, by deleting the max speed in multiple adjacent speeds and most descending speed, so that not due to road surface
It is smooth, such as there is moment recess or protrusion, the speed of the caused electric car rapidly increased or reduced is not as calculating
The parameter of the average speed of the electric car, to further improve the accuracy for calculating the average speed.
Specifically, when the retarding braking parameter includes deceleration, step 13, according to the retarding braking parameter, control
Lighting or extinguishing for the Brake lamp of the electric car is made, including：
It is currently OFF state in the Brake lamp, and the deceleration controls institute positioned at when presetting within the scope of deceleration
Brake lamp is stated to light；It is illuminating state in the Brake lamp, and the deceleration is greater than the maximum of the default deceleration range
Value or less than the default deceleration range minimum value when, control the Brake lamp and extinguish.
It should be noted that if the Brake lamp is currently illuminating state, and the deceleration is located at the default deceleration
It spends in range, does not then execute any operation, the Brake lamp is still made to be in illuminating state；Likewise, if the Brake lamp is worked as
Preceding is OFF state, and the deceleration is greater than the maximum value of the default deceleration range or is less than the default deceleration model
The minimum value enclosed, then do not execute any operation, and the Brake lamp is still made to be in OFF state.
On the other hand, when the retarding braking parameter includes negative torque, step 12, according to the vehicle obtained in real time
Speed calculates the retarding braking parameter of the electric car, including：
The mapping table of speed and negative torque according to the pre-stored data obtains negative twist corresponding with current time speed
Square.
Wherein, the mapping table of the speed and negative torque is that tester returns according to electric car in energy is slided
The one-to-one relationship of speed and negative torque that great number tested data under condition of knocking off determines；Wherein, the negative torque is vehicle
The torque for needing motor to export that controller is determined according to the current time speed of the electric car.
When the brake parameters include negative torque, step 13, according to the retarding braking parameter, the electronic vapour is controlled
The Brake lamp of vehicle is lighted or is extinguished, including：
Currently it is OFF state in the Brake lamp, and when the negative torque is located in preset negative torque range, controls institute
Brake lamp is stated to light；It is currently illuminating state in the Brake lamp, and the negative torque is greater than the preset negative torque range
Maximum value or less than the preset negative torque range minimum value when, control the Brake lamp and extinguish.
It should be noted that if the Brake lamp is currently illuminating state, and the negative torque is located at default negative torque model
In enclosing, then any operation is not executed, the Brake lamp is still made to be in illuminating state；Likewise, if the Brake lamp is currently
OFF state, and the negative torque is greater than the maximum value of the preset negative torque range or less than the preset negative torque range
Minimum value, then do not execute any operation, and the Brake lamp is still made to be in OFF state.
In another aspect, if the retarding braking parameter includes the deceleration and the negative torque, step 13, according to institute
Retarding braking parameter is stated, lighting or extinguishing for the Brake lamp of the electric car is controlled, including：
Include the control mode of the negative torque according to retarding braking parameter described above, control the Brake lamp light or
Extinguish；Wherein, if negative torque corresponding with current time speed can not be got, or obtain with current time speed phase
The maximum negative torque that the motor that corresponding negative torque is greater than the electric car normally exports or the electricity less than the electric car
The minimum negative torque that machine normally exports；Then controlled according to the control mode that retarding braking parameter described above includes the deceleration
The Brake lamp is lighted or is extinguished.
Here, it should be noted that the embodiment of the present invention is excellent in the case where the electric car is in and slides energy regenerating operating condition
Choosing according to the current state of negative torque corresponding with current time speed and the Brake lamp control the Brake lamp light or
Extinguish；Lead to not normally light or extinguish the Brake lamp in order to avoid this mode breaks down, the embodiment of the present invention is also
Provided with when controlling the Brake lamp according to negative torque and the current state of the Brake lamp and lighting abnormal, according to described electronic
The deceleration of automobile and the current state of the Brake lamp control the mode that the Brake lamp is lighted or extinguished.
It is, of course, also possible to preset the current state control of the deceleration and the Brake lamp according to the electric car
The mode that the Brake lamp is lighted or extinguished is default behavior, when default behavior occurs abnormal, using basis and current time
The corresponding negative torque of speed and the current state of the Brake lamp control the Brake lamp and light or extinguish.
It lights or extinguishes by the setting multiple control modes control Brake lamp, improve the Control of Electric Vehicles institute
The reliability that Brake lamp is lighted or extinguished is stated, traffic accident is largely avoided.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program (instruction),
The program (instruction) realizes following steps when being executed by processor：
When electric car is in and slides energy regenerating operating condition, the speed of the electric car is obtained in real time；According to real-time
The speed obtained, calculates the retarding braking parameter of the electric car；Wherein the retarding braking parameter includes deceleration
And/or negative torque；According to the retarding braking parameter, lighting or extinguishing for the Brake lamp of the electric car is controlled.
Optionally, when the retarding braking parameter includes deceleration, which may be used also when being executed by processor
Realize following steps：
According to current time speed and the speed at the top n moment adjacent with current time, the electric car is calculated
First average speed；According to the speed of the previous moment adjacent with current time, and the preceding M moment adjacent with previous moment
Speed, calculate the second average speed of the electric car；Wherein, M and N is identical integer, and is greater than or equal to 2；Root
According to first average speed and second average speed and the time difference at current time and previous moment, described in calculating
The deceleration of electric car；Wherein, the deceleration be first average speed and second average speed difference with
The ratio of the time difference.
Optionally, following steps be can also be achieved when which is executed by processor：
According to current time speed and the speed at the top n moment adjacent with current time, the electric car is calculated
The step of first average speed includes：
Delete current time speed and the first the max speed and the first minimum speed in the speed at top n moment；According to
N-1 speed after the first the max speed and the first minimum speed is deleted, first average speed is calculated；Wherein, described
First average speed is the average value of N-1 speed.
According to the speed of the previous moment adjacent with current time, and the vehicle at the preceding M moment adjacent with previous moment
Speed, the step of calculating the second average speed of the electric car include：
Delete previous moment speed and the second the max speed and the second minimum speed in preceding M speed；According to deleting the
M-1 speed after two the max speeds and the second minimum speed, calculates second average speed；Wherein, described second is flat
Equal speed is the average value of M-1 speed.
Optionally, when the retarding braking parameter includes negative torque, which may be used also when being executed by processor
Realize following steps：
The mapping table of speed and negative torque according to the pre-stored data obtains negative twist corresponding with current time speed
Square.
Optionally, when the retarding braking parameter includes deceleration, which may be used also when being executed by processor
Realize following steps：
It is currently OFF state in the Brake lamp, and the deceleration controls institute positioned at when presetting within the scope of deceleration
Brake lamp is stated to light；It is illuminating state in the Brake lamp, and the deceleration is greater than the maximum of the default deceleration range
Value or less than the default deceleration range minimum value when, control the Brake lamp and extinguish.
Optionally, when the brake parameters include negative torque, which can also be achieved when being executed by processor
Following steps：
Currently it is OFF state in the Brake lamp, and when the negative torque is located in preset negative torque range, controls institute
Brake lamp is stated to light；It is currently illuminating state in the Brake lamp, and the negative torque is greater than the preset negative torque range
Maximum value or less than the preset negative torque range minimum value when, control the Brake lamp and extinguish.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices
Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.
As shown in Fig. 2, the embodiment of the present invention also provides a kind of brake lamp coutrol device, including：
Module 21 is obtained, for obtaining the electric car in real time when electric car is in and slides energy regenerating operating condition
Speed；
Computing module 22, for calculating the retarding braking parameter of the electric car according to the speed obtained in real time；
Wherein the retarding braking parameter includes deceleration and/or negative torque；
Control module 23, for according to the retarding braking parameter, control the Brake lamp of the electric car light or
Extinguish.
Specifically, the computing module 22 includes：
First computational submodule, for when the retarding braking parameter includes deceleration, according to current time speed and
The speed at the top n moment adjacent with current time calculates the first average speed of the electric car.
Second computational submodule, for the speed according to the previous moment adjacent with current time, and and previous moment
The speed at adjacent preceding M moment, calculates the second average speed of the electric car；Wherein, M and N is identical integer, and
More than or equal to 2.
Third computational submodule, for according to first average speed and second average speed and it is current when
The time difference with previous moment is carved, the deceleration of the electric car is calculated；Wherein, the deceleration is the described first average vehicle
The difference of fast and described second average speed and the ratio of the time difference.
More specifically, first computational submodule includes：
First delete unit, for delete the first the max speed in current time speed and the speed at top n moment and
First minimum speed.
First computing unit, for according to N-1 speed after the first the max speed of deletion and the first minimum speed, meter
Calculate first average speed；Wherein, first average speed is the average value of N-1 speed.
More specifically, second computational submodule includes：
Second deletes unit, for deleting the second the max speed and second in previous moment speed and preceding M speed most
Small speed.
Second computing unit, for according to M-1 speed after the second the max speed of deletion and the second minimum speed, meter
Calculate second average speed；Wherein, second average speed is the average value of M-1 speed.
Specifically, the computing module 22 includes：
Acquisition submodule, for when the retarding braking parameter includes negative torque, speed according to the pre-stored data and negative
The mapping table of torque obtains negative torque corresponding with current time speed.
Specifically, the control module 23 is used in the Brake lamp when the retarding braking parameter includes deceleration
It is currently OFF state, and the deceleration controls the Brake lamp and light positioned at when presetting within the scope of deceleration；In the system
Dynamic lamp is illuminating state, and the deceleration is greater than the maximum value of the default deceleration range or is less than the default deceleration
When the minimum value of range, controls the Brake lamp and extinguish.
Specifically, the control module 23 is used for current in the Brake lamp when the brake parameters include negative torque
For OFF state, and when the negative torque is located in preset negative torque range, controls the Brake lamp and light；In the Brake lamp
It is currently illuminating state, and the negative torque is greater than the maximum value of the preset negative torque range or is less than the default negative torque
When the minimum value of range, controls the Brake lamp and extinguish.
Here, it should be noted that the brake lamp coutrol device electric car be in slide energy regenerating operating condition under,
The Brake lamp can be controlled in the following way, mode one：Only according to the deceleration of the electric car and described
The current state of Brake lamp controls the Brake lamp and lights or extinguish；Mode two：It can be only according to the electric car and current
The corresponding negative torque of moment speed and the current state of the Brake lamp control the Brake lamp and light or extinguish；Mode three：
It is controlled when the Brake lamp is lighted or extinguished according to mode one and abnormal, the then control of employing mode two occurs；Mode four：According to
Mode two, which controls when the Brake lamp is lighted or extinguished, there is abnormal, the then control of employing mode one；To improve the braking
The control reliability of lamp reduces the danger of traffic accident generation.
The embodiment of the present invention also provides a kind of electric car, including brake lamp coutrol device as described above.
The embodiment of the present invention also provides a kind of entire car controller, including：Processor, memory and it is stored in the memory
Computer program that is upper and can running on the processor, is realized as above when the computer program is executed by the processor
Each process of braking lamp control method embodiment is stated, and identical technical effect can be reached, it is no longer superfluous here to avoid repeating
It states.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (15)
1. a kind of braking lamp control method is applied to electric car, which is characterized in that including：
When electric car is in and slides energy regenerating operating condition, the speed of the electric car is obtained in real time；
According to the speed obtained in real time, the retarding braking parameter of the electric car is calculated；The wherein retarding braking ginseng
Number includes deceleration and/or negative torque；
According to the retarding braking parameter, lighting or extinguishing for the Brake lamp of the electric car is controlled.
2. braking lamp control method according to claim 1, which is characterized in that in the retarding braking parameter including slowing down
When spending, the speed that the basis obtains in real time, the step of calculating the retarding braking parameter of the electric car includes：
According to current time speed and the speed at the top n moment adjacent with current time, the first of the electric car is calculated
Average speed；
According to the speed of the previous moment adjacent with current time, and the speed at the preceding M moment adjacent with previous moment, meter
Calculate the second average speed of the electric car；Wherein, M and N is identical integer, and is greater than or equal to 2；
According to first average speed and second average speed and the time difference at current time and previous moment, meter
Calculate the deceleration of the electric car；Wherein, the deceleration is first average speed and second average speed
The ratio of difference and the time difference.
3. braking lamp control method according to claim 2, which is characterized in that
According to current time speed and the speed at the top n moment adjacent with current time, the first of the electric car is calculated
The step of average speed includes：
Delete current time speed and the first the max speed and the first minimum speed in the speed at top n moment；
According to N-1 speed after the first the max speed of deletion and the first minimum speed, first average speed is calculated；Its
In, first average speed is the average value of N-1 speed；
According to the speed of the previous moment adjacent with current time, and the speed at the preceding M moment adjacent with previous moment, meter
The step of calculating the second average speed of the electric car include：
Delete previous moment speed and the second the max speed and the second minimum speed in preceding M speed；
According to M-1 speed after the second the max speed of deletion and the second minimum speed, second average speed is calculated；Its
In, second average speed is the average value of M-1 speed.
4. braking lamp control method according to claim 1, which is characterized in that in the retarding braking parameter include negative twist
When square, the speed that the basis obtains in real time, the step of calculating the retarding braking parameter of the electric car includes：
The mapping table of speed and negative torque according to the pre-stored data obtains negative torque corresponding with current time speed.
5. braking lamp control method according to claim 1, which is characterized in that in the retarding braking parameter including slowing down
It is described according to the retarding braking parameter when spending, control lighting or including the step of extinguishing for the Brake lamp of the electric car：
It is currently OFF state in the Brake lamp, and the deceleration controls the system positioned at when presetting within the scope of deceleration
Dynamic lamp is lighted；The Brake lamp be illuminating state, and the deceleration be greater than the default deceleration range maximum value or
Less than the default deceleration range minimum value when, control the Brake lamp and extinguish.
6. braking lamp control method according to claim 1, which is characterized in that in the brake parameters include negative torque
When, it is described according to the retarding braking parameter, control lighting or including the step of extinguishing for the Brake lamp of the electric car：
Currently it is OFF state in the Brake lamp, and when the negative torque is located in preset negative torque range, controls the system
Dynamic lamp is lighted；It is currently illuminating state in the Brake lamp, and the negative torque is greater than the maximum of the preset negative torque range
Value or less than the preset negative torque range minimum value when, control the Brake lamp and extinguish.
7. a kind of brake lamp coutrol device, which is characterized in that including：
Module is obtained, for obtaining the speed of the electric car in real time when electric car is in and slides energy regenerating operating condition；
Computing module, for calculating the retarding braking parameter of the electric car according to the speed obtained in real time；Wherein institute
Stating retarding braking parameter includes deceleration and/or negative torque；
Control module, for according to the retarding braking parameter, controlling lighting or extinguishing for the Brake lamp of the electric car.
8. brake lamp coutrol device according to claim 7, which is characterized in that the computing module includes：
First computational submodule, for when the retarding braking parameter includes deceleration, according to current time speed and with work as
The speed at adjacent top n moment at preceding moment, calculates the first average speed of the electric car；
Second computational submodule, for according to the speed of the previous moment adjacent with current time, and it is adjacent with previous moment
The preceding M moment speed, calculate the second average speed of the electric car；Wherein, M and N is identical integer, and is greater than
Or it is equal to 2；
Third computational submodule, for according to first average speed and second average speed and current time and
The time difference of previous moment calculates the deceleration of the electric car；Wherein, the deceleration be first average speed and
The difference of second average speed and the ratio of the time difference.
9. brake lamp coutrol device according to claim 8, which is characterized in that
First computational submodule includes：
First deletes unit, for deleting the first the max speed and first in current time speed and the speed at top n moment
Minimum speed；
First computing unit, for calculating institute according to N-1 speed after the first the max speed of deletion and the first minimum speed
State the first average speed；Wherein, first average speed is the average value of N-1 speed；
Second computational submodule includes：
Second deletes unit, for deleting the second the max speed and the second most trolley in previous moment speed and preceding M speed
Speed；
Second computing unit, for calculating institute according to M-1 speed after the second the max speed of deletion and the second minimum speed
State the second average speed；Wherein, second average speed is the average value of M-1 speed.
10. brake lamp coutrol device according to claim 7, which is characterized in that the computing module includes：
Acquisition submodule, for when the retarding braking parameter includes negative torque, speed and negative torque according to the pre-stored data
Mapping table, obtain corresponding with current time speed negative torque.
11. brake lamp coutrol device according to claim 7, which is characterized in that in the retarding braking parameter including subtracting
When speed, the control module is used in the Brake lamp currently be OFF state, and the deceleration is located at default deceleration
When in range, controls the Brake lamp and light；It is illuminating state in the Brake lamp, and the deceleration is greater than described preset and subtracts
The maximum value of velocity interval or less than the default deceleration range minimum value when, control the Brake lamp and extinguish.
12. brake lamp coutrol device according to claim 7, which is characterized in that in the brake parameters include negative torque
When, the control module is used in the Brake lamp currently be OFF state, and the negative torque is located at preset negative torque range
When interior, control the Brake lamp and light；It is currently illuminating state in the Brake lamp, and the negative torque is greater than the preset negative
The maximum value of torque range or less than the preset negative torque range minimum value when, control the Brake lamp and extinguish.
13. a kind of electric car, which is characterized in that including such as described in any item brake lamp coutrol devices of claim 7-12.
14. a kind of entire car controller, which is characterized in that including processor, memory and be stored on the memory and can be
The computer program run on the processor realizes such as claim 1 when the computer program is executed by the processor
To described in any one of 6 the step of braking lamp control method.
15. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes such as Brake lamp controlling party described in any one of claims 1 to 6 when the computer program is executed by processor
The step of method.
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