CN107878364A - A kind of Optimal Control System and control method of automobile power source change-over circuit - Google Patents
A kind of Optimal Control System and control method of automobile power source change-over circuit Download PDFInfo
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- CN107878364A CN107878364A CN201711069951.4A CN201711069951A CN107878364A CN 107878364 A CN107878364 A CN 107878364A CN 201711069951 A CN201711069951 A CN 201711069951A CN 107878364 A CN107878364 A CN 107878364A
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- automobile
- power source
- over circuit
- source change
- automobile power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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- Automation & Control Theory (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the invention discloses a kind of Optimal Control System of automobile power source change-over circuit, the circuit includes adaptive learning algorithms power supply, control chip, automobile power source change-over circuit and automobile storage battery；The adaptive learning algorithms power supply, for when accessing the automobile power source change-over circuit, triggering generation to activate effective enable signal of the automobile power source change-over circuit work；The automobile power source change-over circuit, for when receiving effective enable signal, the first voltage that the automobile storage battery inputs being converted into second voltage and exported to the control chip；The control chip, for when detecting that the adaptive learning algorithms power supply disconnects with the automobile power source change-over circuit, triggering to generate effective enable signal；Shutdown process is performed, and after shutdown process is completed, end trigger generates effective enable signal.The embodiment of the present invention realizes the loss of reduction storage battery and can normal operation shutdown process, the effect of preservation related data.
Description
Technical field
The present embodiments relate to mobile unit technical field, more particularly to a kind of optimization control of automobile power source change-over circuit
System and control method processed.
Background technology
In the prior art, the power-switching circuit of automobile is used to the 12V of automobile storage battery being transformed into automotive control system institute
The 4.3V supply voltages needed.
In order to which storage battery caused by power-switching circuit quiescent dissipation is lost when reducing control system shutdown, prior art will
The Enable Pin (Enable ends) of automobile power source change-over circuit transfers to ACC (Adaptive Cruise Control, adaptive cruise
Control power supply) control, ACC exports high level signal when automobile key inserts to the Enable Pin of automobile power source change-over circuit, from
And enabled automobile power source change-over circuit, powered for control system；ACC disconnects and automobile power source conversion electricity when automobile key is extracted
Connection between the Enable Pin on road, automobile power source change-over circuit is set to fail, control system power-off shutdown.The automobile power source of the program
The enabled of change-over circuit is controlled by ACC, after key pulls out, the then power down of automobile power source change-over circuit, causes control system complete
Into normal shutdown process, the exception of system and the loss of data are caused.
The content of the invention
The embodiment of the present invention provides a kind of Optimal Control System and control method of automobile power source change-over circuit, to realize vapour
The delay power down of car power-switching circuit, avoids the unexpected shutdown of control system from causing system exception and loss of data.
In a first aspect, the embodiments of the invention provide a kind of Optimal Control System of automobile power source change-over circuit, including：Patrol
Volume OR gate device, the input of the logic sum gate device respectively with the key end of automobile and the control pipe of the control chip of automobile
Pin is connected, and the output end of the logic sum gate device is connected with the start end of DC-DC converter.
Second aspect, the embodiment of the present invention additionally provide a kind of optimal control method of automobile power source change-over circuit, including：
Inserted in response to automobile key, logic sum gate device output high potential, controlling the start end of DC-DC converter converts DC-DC
Device conversion output, establishes machine by cable on system is normal；Extracted in response to automobile key, high electricity is exported by the control pin of control chip
Position, logic sum gate device also export high potential, keep DC-DC converter conversion normal；Data are completed in response to control chip to protect
Deposit with state shutdown process, the control pin of control chip is exported into low potential, logic sum gate device also exports low potential, DC-
DC converters conversion disability, into close pattern.
The third aspect, the embodiments of the invention provide a kind of Optimal Control System of automobile power source change-over circuit, including from
Adapt to cruise control power supply, control chip, automobile power source change-over circuit and automobile storage battery；
The adaptive learning algorithms power supply, for when accessing the automobile power source change-over circuit, triggering generation to activate
Effective enable signal of the automobile power source change-over circuit work；
The automobile power source change-over circuit, one end are connected with the automobile storage battery, and the other end is connected with the control chip,
For when the Enable Pin of the automobile power source change-over circuit receives effective enable signal, the automobile storage battery to be inputted
First voltage be converted to second voltage and export to the control chip；
The control chip, for detecting the adaptive learning algorithms power supply and the automobile power source change-over circuit
When disconnecting, triggering generates effective enable signal；Shutdown process is performed, and after shutdown process is completed, end trigger
Generate effective enable signal.
Further, the Optimal Control System of the automobile power source change-over circuit also includes：Automobile key input port；
The automobile key input port be used for when automobile key insert, establish the adaptive learning algorithms power supply and
Connection between the automobile power source change-over circuit；When the automobile key is extracted, the adaptive learning algorithms electricity is disconnected
Connection between source and the automobile power source change-over circuit.
Further, the Optimal Control System of the automobile power source change-over circuit also includes：Logic gates；
The first input end of the logic gates passes through the automobile key input port and the adaptive cruise control
Power supply processed is connected；Second input of the logic gates is connected with the setting signal output end of the control chip, described
The output end of logic gates is connected with the Enable Pin of the automobile power source change-over circuit；
The logic gates is used to, when automobile key inserts the automobile key input port, adaptively be patrolled by described
Boat control power supply triggering, generates and exports effective enable signal；Or
When the automobile key extracts the automobile key input port, triggered, generated and defeated by the control chip
Go out effective enable signal.
Further, the logic gates is OR circuit, and the effectively enable signal is high level signal.
Further, the setting signal output end of the control chip be the control chip GPIO port, the control
Coremaking piece exports high level signal by the GPIO port and realizes that triggering generates effective enable signal.
Fourth aspect, the embodiment of the present invention additionally provide a kind of optimal control method of automobile power source change-over circuit, including：
When detecting that adaptive learning algorithms power supply disconnects with automobile power source change-over circuit, described in triggering generation activation
Effective enable signal of automobile power source change-over circuit work；Wherein, automobile electricity described in the adaptive learning algorithms plant-grid connection
Generation effective enable signal can be triggered during power-switching circuit；
Shutdown process is performed, and after shutdown process is completed, end trigger generates effective enable signal.
Further, detection adaptive learning algorithms power supply disconnects with automobile power source change-over circuit, including：
If detect that automobile key extracts automobile key input port, it is determined that adaptive learning algorithms power supply and automobile
Power-switching circuit disconnects.
Further, triggering generation activates effective enable signal of the automobile power source change-over circuit work, including：
High level signal triggering generation is exported by GPIO port and activates the effective of the automobile power source change-over circuit work
Enable signal.
Further, the effectively enable signal is high level signal.
The embodiment of the present invention is worked by adaptive learning algorithms plant-grid connection, activating automobile power source change-over circuit,
When adaptive learning algorithms power supply disconnects, the enabled letter of generation activation automobile power source change-over circuit work is triggered by control chip
Number, control chip completes the effective enable signal of active end trigger again after shutdown process so that automobile power source change-over circuit and control
Coremaking piece is just shut down after shutdown process is completed, and the control system for solving prior art automobile is shut down system can be caused different suddenly
The problem of normal and loss of data, realize after the disconnection of adaptive learning algorithms power supply, the reduction storage battery that can shut down is lost and can be just
Often operation shutdown process, the effect of preservation related data.
The system or method by the application of logic sum gate device and control chip to controlling the control of Electric potentials of pin, can be with
In the case where key pulls out, the data of correlation are preserved, have run correct shutdown process, and very big journey in the power-offstate
Consumption of the reduction of degree to storage battery.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the Optimal Control System of automobile power source change-over circuit of the embodiment of the present invention；
Fig. 2 is a kind of flow chart of the optimal control method of automobile power source change-over circuit of the embodiment of the present invention；
Fig. 3 is the structural representation of the Optimal Control System for the automobile power source change-over circuit that the embodiment of the present invention one provides；
Fig. 4 is the structural representation of the Optimal Control System for the automobile power source change-over circuit that the embodiment of the present invention two provides；
Fig. 5 is the structural representation of the Optimal Control System for the automobile power source change-over circuit that the embodiment of the present invention three provides；
Fig. 6 is the flow chart of the optimal control method for the automobile power source change-over circuit that the embodiment of the present invention four provides.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
The embodiments of the invention provide a kind of Optimal Control System of automobile power source change-over circuit, as shown in figure 1, including：
Logic sum gate device 1, the input of the logic sum gate device 1 respectively with the control chip 5 of the key end 2 of automobile and automobile
Pin 3 is controlled to be connected, the output end of the logic sum gate device is connected with the start end of DC-DC converter 4.
The embodiment of the present invention additionally provides a kind of optimal control method of automobile power source change-over circuit, as shown in Fig. 2 bag
Include：
Step S10, inserted in response to automobile key, logic sum gate device output high potential, control opening for DC-DC converter
Moved end makes DC-DC converter conversion output, establishes machine by cable on system is normal.
Step S20, extracted in response to automobile key, high potential, logic sum gate device are exported by the control pin of control chip
Part also exports high potential, keeps DC-DC converter conversion normal.
Step S30, data preservation and state shutdown process are completed in response to control chip, by the control pin of control chip
Low potential is exported, logic sum gate device also exports low potential, DC-DC converter conversion disability, into close pattern.
The present invention is by the application and control chip of logic sum gate device to control pin GPIO control of Electric potentials, Ke Yi
In the case that key pulls out, the data of correlation are preserved, have run correct shutdown process, and high degree in the power-offstate
Consumption of the reduction to storage battery.
Embodiment one
Fig. 3 is the structural representation of the Optimal Control System for the automobile power source change-over circuit that the embodiment of the present invention one provides.
As shown in figure 3, the Optimal Control System of the automobile power source change-over circuit includes adaptive learning algorithms power supply (ACC) 10, control
Chip (CPU) 30, automobile power source change-over circuit 20 and automobile storage battery 40.
Adaptive learning algorithms power supply 10 is used for when accessing the automobile power source change-over circuit, described in triggering generation activation
Effective enable signal that automobile power source change-over circuit 20 works.
The one end of automobile power source change-over circuit 20 is connected with automobile storage battery 40, and the other end is connected with control chip 30, for
When the Enable Pin of automobile power source change-over circuit 20 receives effective enable signal, the first voltage that automobile storage battery 40 is inputted is changed
Exported for second voltage to control chip 30；Usually, the 12V that automobile power source change-over circuit 20 will can obtain from automobile storage battery 40
Voltage signal is converted to the 4.3V voltage signals needed for control chip 30.
Control chip 30 is used to detect adaptive learning algorithms power supply 10 and the disconnection of automobile power source change-over circuit 20 company
When connecing, triggering generates effective enable signal；Shutdown process is performed, and after shutdown process is completed, end trigger generation institute
State effective enable signal.
The operation principle of the Optimal Control System of the automobile power source change-over circuit is：
Automobile power source change-over circuit 20 is controlled by adaptive learning algorithms power supply 10 and the two paths of signals of control chip 30, it is real
The existing delay power down of automobile power source change-over circuit 20, the delay switching-off of control chip 30.
Specifically, when adaptive learning algorithms power supply 10 accesses, automobile power source change-over circuit 20 obtains effectively enabled letter
Number, power supply is provided for control chip 30, performs automobile control operation on control chip 30 after electricity；When adaptive learning algorithms power supply
During 10 disconnection, control chip 30 triggers effective enable signal, makes the continuous firing of automobile power source change-over circuit 20, and control chip 30 exists
Shutdown process is performed under power supply state to preserve necessary data and state, when completing shutdown process, end trigger effectively makes
Energy signal, makes automobile power source change-over circuit 20 enter shutdown (shutdown) pattern, and control chip 30 also shuts down therewith.
Usually, adaptive learning algorithms power supply 10 is controlled whether to access in circuit by automobile key.I.e. automobile power source turns
Changing the Optimal Control System of circuit also includes automobile key input port 50.The automobile key input port is used in automobile key
During insertion, the connection established between the Enable Pin of adaptive learning algorithms power supply 10 and automobile power source change-over circuit 20；In automobile
When key is extracted, the connection between adaptive learning algorithms power supply 10 and the automobile power source change-over circuit 20 is disconnected.
On the basis of above-mentioned technical proposal, automobile power source change-over circuit is preferably DC-DC BUCK change-over circuits.
In summary, the technical scheme of the present embodiment, by the way that in adaptive learning algorithms plant-grid connection, activation automobile is electric
Power-switching circuit is worked, and when adaptive learning algorithms power supply disconnects, generation activation automobile power source conversion is triggered by control chip
The enable signal of circuit work, control chip complete the effective enable signal of active end trigger again after shutdown process so that automobile
Power-switching circuit and control chip just shut down after shutdown process is completed, and the control system for solving prior art automobile is unexpected
The problem of shutdown can cause system exception and loss of data, realize after the disconnection of adaptive learning algorithms power supply, can shut down and subtract
Few storage battery is lost and can normal operation shutdown process, the effect of preservation related data.
Embodiment two
Fig. 4 is the structural representation of the Optimal Control System for the automobile power source change-over circuit that the embodiment of the present invention two provides.
The Optimal Control System of the automobile power source change-over circuit realizes identical function with embodiment one, equally including adaptive learning algorithms
Power supply (ACC) 10, control chip (CPU) 30, automobile power source change-over circuit 20 and automobile storage battery 40.
Adaptive learning algorithms power supply 10 is used for when accessing the automobile power source change-over circuit, described in triggering generation activation
Effective enable signal of automobile power source change-over circuit work.
The one end of automobile power source change-over circuit 20 is connected with automobile storage battery 40, and the other end is connected with control chip 30, for
When the Enable Pin of automobile power source change-over circuit 20 receives effective enable signal, the first voltage that automobile storage battery 40 is inputted is changed
Exported for second voltage to control chip 30；Usually, the 12V that automobile power source change-over circuit 20 will can obtain from automobile storage battery 40
Voltage signal is converted to the 4.3V voltage signals needed for control chip 30.
Control chip 30 is used to detect adaptive learning algorithms power supply 10 and the disconnection of automobile power source change-over circuit 20 company
When connecing, triggering generates effective enable signal；Shutdown process is performed, and after shutdown process is completed, end trigger generation institute
State effective enable signal.
The present embodiment is on the basis of embodiment one, there is provided one kind realizes above-mentioned adaptive learning algorithms power supply 10 and control
The concrete scheme of the function of coremaking piece 30.
Effective enable signal is set to high level signal by the present embodiment, and adaptive learning algorithms power supply 10 is directly connected to vapour
The Enable Pin of car power-switching circuit 20.When adaptive learning algorithms power supply 10 is controlled access automobile power source conversion by automobile key
During circuit 20, i.e., Enable Pin obtains effective enable signal, and automobile power source change-over circuit 20 works on power.Control chip 30 can pass through
The Enable Pins of one connection automobile power source change-over circuit 20 of switching switch 60, when detecting adaptive cruise power supply 10 and automobile electricity
When power-switching circuit 20 disconnects, control chip 30 can turn on switching switch 60 and generate high level signal, export to enabled
End, makes automobile power source change-over circuit maintain normal work, and control chip 30 is completed to disconnect after shutdown process to cut under power-up state
Switch 60 is changed, end trigger generates effective enable signal.
In summary, the technical scheme of the present embodiment, changed by adaptive learning algorithms power supply in access automobile power source
During the Enable Pin of circuit, there is provided high level signal activation automobile power source change-over circuit work, break in adaptive learning algorithms power supply
When opening, by the Enable Pin of control chip generation high level signal access automobile power source change-over circuit, control chip completes shutdown stream
The effective enable signal of Cheng Houzai active end triggers so that automobile power source change-over circuit and control chip are after shutdown process is completed
Just shut down, realize adaptive learning algorithms power supply disconnection after, can shut down with reduce storage battery be lost and can normal operation shut down
Flow, the effect for preserving related data.
Embodiment three
Fig. 5 is the structural representation of the Optimal Control System for the automobile power source change-over circuit that the embodiment of the present invention three provides.
The Optimal Control System of the automobile power source change-over circuit realizes identical function with embodiment one, equally including adaptive learning algorithms
Power supply (ACC) 10, control chip (CPU) 30, automobile power source change-over circuit 20 and automobile storage battery 40.
Adaptive learning algorithms power supply 10 is used for when accessing the automobile power source change-over circuit, described in triggering generation activation
Effective enable signal of automobile power source change-over circuit work.
The one end of automobile power source change-over circuit 20 is connected with automobile storage battery 40, and the other end is connected with control chip 30, for
When the Enable Pin of automobile power source change-over circuit 20 receives effective enable signal, the first voltage that automobile storage battery 40 is inputted is changed
Exported for second voltage to control chip 30；Usually, the 12V that automobile power source change-over circuit 20 will can obtain from automobile storage battery 40
Voltage signal is converted to the 4.3V voltage signals needed for control chip 30.
Control chip 30 is used to detect adaptive learning algorithms power supply 10 and the disconnection of automobile power source change-over circuit 20 company
When connecing, triggering generates effective enable signal；Shutdown process is performed, and after shutdown process is completed, end trigger generation institute
State effective enable signal.
The present embodiment is on the basis of embodiment one, there is provided a kind of different from embodiment two realize above-mentioned is adaptively patrolled
The concrete scheme of the function of boat control power supply 10 and control chip 30.
In the present embodiment, the Optimal Control System of automobile power source change-over circuit also includes logic gates 60.Adaptively patrol
Boat control power supply 10 realizes access automobile power source change-over circuit by connecting logic gates 60；Pass through disconnection and logic gates
Connection realize and disconnect and the connection of automobile power source change-over circuit.
Specifically, the first input end of logic gates 60 by automobile key input port (not indicated in figure) with it is adaptive
Answer cruise control power supply 10 to be connected, i.e., by the first input end of automobile key input port decision logic gate circuit 60 whether with
Adaptive learning algorithms power supply 10 is connected；Second input of logic gates 60 and the setting signal output end of control chip 30
Be connected (in the specific implementation, setting signal output end can be control chip 30 GPIO port), logic gates 60 it is defeated
Go out end with the Enable Pin of automobile power source change-over circuit 20 to be connected.
Logic gates 60 is used for when automobile key inserts automobile key input port, by the adaptive learning algorithms
Power supply triggers, and generates and exports effective enable signal；Or extract the automobile key input in the automobile key
During mouth, triggered by the control chip, generate and export effective enable signal.
Obviously, in other embodiments, above-mentioned adaptive learning algorithms power supply 10 can be also realized by microprogram control unit
With the function of control chip 30.Control instruction is write in microprogram, enable signal is extremely as corresponding to exporting microprogram control unit
Automobile power source change-over circuit 20.And this implementation realizes that above-mentioned function is a kind of preferred embodiment using logic gates.Use
Logic gates has higher control speed.When adaptive learning algorithms power supply 10 is closed, if control chip 30 can not be timely
Effective enable signal is triggered, then the failure of automobile power source change-over circuit 20 may be made to cause control chip 30 is abnormal to shut down, and logic
Gate circuit is only dependent upon the delay of circuit because of its speed, and control speed can avoid abnormal shutdown quickly.In addition, some are simple
Logic gates, such as OR gate, it is not necessary to for its power supply.The Optimal Control System of the present embodiment automobile power source change-over circuit,
It is for the control to automobile power source change-over circuit 20, the power down of automobile power source change-over circuit 20 of 4.3V voltage signals is being provided
In the case of, the logic gates without power supply can also be to the GPIO ends of adaptive learning algorithms power supply 10 and control chip 30
The monitoring of the level signal of mouth, removes the trouble for needing additional designs power supply from.
As shown in figure 5, the present embodiment is used as the logic gates for realizing above-mentioned function using OR circuit.Due to control chip
During 30 shutdown, chip port is generally low level, therefore preferably realizes that end trigger generation is effective using output low level signal
Enable signal, i.e. control chip 30 exports high level signal by GPIO port and triggers the effectively enabled letter of logic gates generation
Number, low level signal end trigger logic gates is exported by GPIO port and generates effective enable signal.Correspondingly, effectively make
Energy signal is high level signal.OR circuit is when automobile key inserts automobile key input port, by the adaptive cruise
The high level signal triggering of power supply is controlled, generates and exports high level signal；The automobile key is extracted in the automobile key
During input port, triggered by the high level signal of the GPIO port, generate and export high level signal.
Obviously, corresponding different level design, in other embodiments, other logic gates can also be used to realize.
For example with OR-NOT circuit as the logic gates, then correspondingly, effective enable signal is low level.
In summary, the technical scheme of the present embodiment, by the defeated of adaptive learning algorithms plant-grid connection OR circuit
When entering to hold, OR circuit generates and exports high level signal activation automobile power source change-over circuit work, in adaptive learning algorithms
When power supply disconnects the connection with OR gate input end, the GPIO port for being connected to the control chip of another input of OR circuit touches
Hair OR circuit is generated and exports high level signal, and GPIO port is actively set to low electricity by control chip again after completing shutdown process
The flat effective enable signal of end trigger so that automobile power source change-over circuit and control chip just shut down after shutdown process is completed,
Have control speed fast simultaneously, without designing the advantages such as extra power supply.
It should be noted that in other embodiments, automobile power source change-over circuit can also be improved, be designed
For the circuit with two Enable Pins, the setting signal output end of adaptive learning algorithms power supply and control chip is connected respectively to
Two Enable Pins, the internal structure by improving automobile power source change-over circuit realize according to adaptive learning algorithms power supply signal and
The setting signal of control chip internally generates effective enable signal, for example, setting adaptive learning algorithms power supply signal and control
Logic gates is embedded into automobile power source change-over circuit by the priority for the enable signal that coremaking piece setting signal provides.
These are all the change, modification, replacement and modification to above-described embodiment, are not departed from protection scope of the present invention.
Example IV
Fig. 6 is the flow chart of the optimal control method for the automobile power source change-over circuit that the embodiment of the present invention four provides.The control
Method processed includes：
S410, when detecting that adaptive learning algorithms power supply and automobile power source change-over circuit disconnect, triggering generation swashs
Effective enable signal of the automobile power source change-over circuit work living；Wherein, described in the adaptive learning algorithms plant-grid connection
Generation effective enable signal can be triggered during automobile power source change-over circuit；
S420, shutdown process is performed, and after shutdown process is completed, end trigger generates effective enable signal.
Obviously, the automobile that the optimal control method of above-mentioned automobile power source change-over circuit can be provided by such as embodiment one to three
Control chip in the Optimal Control System of power-switching circuit is realized.Wherein, the automobile power source change-over circuit described in S410, one
End is connected with automobile storage battery, and the other end is connected with control chip, for having been received in the Enable Pin of automobile power source change-over circuit
When imitating enable signal, the first voltage that automobile storage battery inputs is converted into second voltage and exported to control chip.
Further, in S410, detection adaptive learning algorithms power supply disconnects with automobile power source change-over circuit, wraps
Include：
If detect that automobile key extracts automobile key input port, it is determined that adaptive learning algorithms power supply and automobile
Power-switching circuit disconnects.
Further, in S410, triggering generation activates effective enable signal of the automobile power source change-over circuit work, bag
Include：
High level signal triggering generation is exported by GPIO port and activates the effective of the automobile power source change-over circuit work
Enable signal.
In the further scheme, utilogic gate circuit coordinates the control chip to complete above-mentioned automobile power source conversion electricity
The optimal control method on road.Specifically, the first input end of logic gates by automobile key input port with adaptively patrolling
Boat control power supply is connected；Setting signal output end (GPIO port) phase of second input of logic gates and control chip
Even, the output end of logic gates is connected with the Enable Pin of the automobile power source change-over circuit.There is control using logic gates
Speed processed is fast and need not design the advantage of extra power supply.
As one of which embodiment, logic gates is OR circuit, and effective enable signal is high level signal.
Accordingly, high level signal triggering generation is exported by GPIO port and activates the automobile power source change-over circuit work
Effective enable signal, including：
It is simultaneously defeated to the second input of OR circuit, the generation of triggering OR circuit that high level signal is exported by GPIO port
Go out the high level signal for activating the automobile power source change-over circuit work；Wherein, the first input end of the OR circuit passes through
Automobile key input port is connected with the adaptive learning algorithms power supply.
As another embodiment, logic gates is OR-NOT circuit, and effective enable signal is low level signal.
Accordingly, high level signal triggering generation is exported by GPIO port and activates the automobile power source change-over circuit work
Effective enable signal, including：
High level signal is exported to the second input of OR-NOT circuit, triggering OR-NOT circuit generation by GPIO port
And export the low level signal for activating the automobile power source change-over circuit work；Wherein, the first input of the OR-NOT circuit
End is connected by automobile key input port with the adaptive learning algorithms power supply.
The optimal control method for the automobile power source change-over circuit that the present embodiment provides can be carried by any embodiment of the present invention
The Optimal Control System of the automobile power source change-over circuit of confession realizes possess the Optimal Control System of the automobile power source change-over circuit
Corresponding beneficial effect.
The embodiment of the present invention also includes：
A1, a kind of Optimal Control System of automobile power source change-over circuit, wherein, including：
Logic sum gate device (1), the input of the logic sum gate device respectively with the key end (2) of automobile and automobile
The control pin (3) of control chip (5) is connected, the output end of the logic sum gate device and the start end of DC-DC converter (4)
It is connected.
B2, a kind of optimal control method of automobile power source change-over circuit, wherein, including：
Inserted in response to automobile key, logic sum gate device output high potential, controlling the start end of DC-DC converter makes
DC-DC converter conversion output, establishes machine by cable on system is normal；
Extracted in response to automobile key, high potential is exported by the control pin of control chip, logic sum gate device also exports
High potential, keep DC-DC converter conversion normal；
Data preservation and state shutdown process are completed in response to control chip, the control pin of control chip is exported into low electricity
Position, logic sum gate device also export low potential, DC-DC converter conversion disability, into close pattern.
C3, a kind of Optimal Control System of automobile power source change-over circuit, wherein, including adaptive learning algorithms power supply, control
Coremaking piece, automobile power source change-over circuit and automobile storage battery；
The adaptive learning algorithms power supply, for when accessing the automobile power source change-over circuit, triggering generation to activate
Effective enable signal of the automobile power source change-over circuit work；
The automobile power source change-over circuit, one end are connected with the automobile storage battery, and the other end is connected with the control chip,
For when the Enable Pin of the automobile power source change-over circuit receives effective enable signal, the automobile storage battery to be inputted
First voltage be converted to second voltage and export to the control chip；
The control chip, for detecting the adaptive learning algorithms power supply and the automobile power source change-over circuit
When disconnecting, triggering generates effective enable signal；Shutdown process is performed, and after shutdown process is completed, end trigger
Generate effective enable signal.
C4, the system according to C3, wherein, in addition to：Automobile key input port；
The automobile key input port be used for when automobile key insert, establish the adaptive learning algorithms power supply and
Connection between the automobile power source change-over circuit；When the automobile key is extracted, the adaptive learning algorithms electricity is disconnected
Connection between source and the automobile power source change-over circuit.
C5, the system according to C4, wherein, in addition to：Logic gates；
The first input end of the logic gates passes through the automobile key input port and the adaptive cruise control
Power supply processed is connected；Second input of the logic gates is connected with the setting signal output end of the control chip, described
The output end of logic gates is connected with the Enable Pin of the automobile power source change-over circuit；
The logic gates is used to, when automobile key inserts the automobile key input port, adaptively be patrolled by described
Boat control power supply triggering, generates and exports effective enable signal；Or
When the automobile key extracts the automobile key input port, triggered, generated and defeated by the control chip
Go out effective enable signal.
C6, the system according to C5, wherein, the logic gates is OR circuit, and the effectively enable signal is
High level signal.
C7, the system according to C5, wherein, the setting signal output end of the control chip is the control chip
GPIO port, the control chip export high level signal by the GPIO port and realize the triggering generation effectively enabled letter
Number.
C8, the system according to any one of C3-C7, wherein, the automobile power source change-over circuit is that DC-DC BUCK turn
Change circuit.
D9, a kind of optimal control method of automobile power source change-over circuit, including：
When detecting that adaptive learning algorithms power supply disconnects with automobile power source change-over circuit, described in triggering generation activation
Effective enable signal of automobile power source change-over circuit work；Wherein, the adaptive learning algorithms power supply is used for described in access
During automobile power source change-over circuit, triggering generates effective enable signal；
Shutdown process is performed, and after shutdown process is completed, end trigger generates effective enable signal.
D10, the method according to D9, wherein, detection adaptive learning algorithms power supply breaks with automobile power source change-over circuit
Connection is opened, including：
If detect that automobile key extracts automobile key input port, it is determined that adaptive learning algorithms power supply and automobile
Power-switching circuit disconnects.
D11, the method according to D9 or D10, wherein, triggering generation activates the automobile power source change-over circuit work
Effective enable signal, including：
High level signal triggering generation is exported by GPIO port and activates the effective of the automobile power source change-over circuit work
Enable signal.
D12, the method according to D11, it is characterised in that the effectively enable signal is high level signal.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
It is that must be directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
Combined in an appropriate manner in individual or multiple embodiments or example.In addition, in the case of not conflicting, the technology of this area
Different embodiments or example and the feature of different embodiments or example described in this specification can be combined by personnel
And combination.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
- A kind of 1. Optimal Control System of automobile power source change-over circuit, it is characterised in that including：Logic sum gate device (1), the input of the logic sum gate device respectively with the key end (2) of automobile and the control of automobile The control pin (3) of chip (5) is connected, the start end phase of the output end and DC-DC converter (4) of the logic sum gate device Even.
- A kind of 2. optimal control method of automobile power source change-over circuit, it is characterised in that including：Inserted in response to automobile key, logic sum gate device output high potential, controlling the start end of DC-DC converter makes DC-DC Converter conversion output, establishes machine by cable on system is normal；Extracted in response to automobile key, high potential is exported by the control pin of control chip, logic sum gate device also exports high electricity Position, keep DC-DC converter conversion normal；Data preservation and state shutdown process are completed in response to control chip, the control pin of control chip is exported into low potential, Logic sum gate device also exports low potential, DC-DC converter conversion disability, into close pattern.
- 3. a kind of Optimal Control System of automobile power source change-over circuit, it is characterised in that including adaptive learning algorithms power supply, control Coremaking piece, automobile power source change-over circuit and automobile storage battery；The adaptive learning algorithms power supply, described in when accessing the automobile power source change-over circuit, triggering generation activates Effective enable signal of automobile power source change-over circuit work；The automobile power source change-over circuit, one end are connected with the automobile storage battery, and the other end is connected with the control chip, is used for When the Enable Pin of the automobile power source change-over circuit receives effective enable signal, the automobile storage battery is inputted One voltage conversion is that second voltage is exported to the control chip；The control chip, for detecting the adaptive learning algorithms power supply and automobile power source change-over circuit disconnection During connection, triggering generates effective enable signal；Shutdown process is performed, and after shutdown process is completed, end trigger generation Effective enable signal.
- 4. system according to claim 3, it is characterised in that also include：Automobile key input port；The automobile key input port be used for when automobile key inserts, establish the adaptive learning algorithms power supply with it is described Connection between automobile power source change-over circuit；When the automobile key is extracted, disconnect the adaptive learning algorithms power supply with Connection between the automobile power source change-over circuit.
- 5. system according to claim 4, it is characterised in that also include：Logic gates；The first input end of the logic gates passes through the automobile key input port and adaptive learning algorithms electricity Source is connected；Second input of the logic gates is connected with the setting signal output end of the control chip, the logic The output end of gate circuit is connected with the Enable Pin of the automobile power source change-over circuit；The logic gates is used for when automobile key inserts the automobile key input port, by the adaptive cruise control Power supply triggering processed, generates and exports effective enable signal；OrWhen the automobile key extracts the automobile key input port, triggered by the control chip, generate and export institute State effective enable signal.
- 6. system according to claim 5, it is characterised in that the logic gates is OR circuit, described effectively to make Energy signal is high level signal.
- 7. system according to claim 5, it is characterised in that the setting signal output end of the control chip is the control The GPIO port of coremaking piece, the control chip export high level signal by the GPIO port and realize described in triggering generation have Imitate enable signal.
- 8. according to the system described in claim any one of 3-7, it is characterised in that the automobile power source change-over circuit is DC-DC BUCK change-over circuits.
- A kind of 9. optimal control method of automobile power source change-over circuit, it is characterised in that including：When detecting that adaptive learning algorithms power supply disconnects with automobile power source change-over circuit, triggering generation activates the automobile Effective enable signal of power-switching circuit work；Wherein, the adaptive learning algorithms power supply is used to access the automobile During power-switching circuit, triggering generates effective enable signal；Shutdown process is performed, and after shutdown process is completed, end trigger generates effective enable signal.
- 10. according to the method for claim 9, it is characterised in that detection adaptive learning algorithms power supply turns with automobile power source Circuit is changed to disconnect, including：If detect that automobile key extracts automobile key input port, it is determined that adaptive learning algorithms power supply and automobile power source Change-over circuit disconnects.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017100609884 | 2017-01-25 | ||
| CN201710060988 | 2017-01-25 |
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| CN107878364A true CN107878364A (en) | 2018-04-06 |
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| CN201711069951.4A Pending CN107878364A (en) | 2017-01-25 | 2017-11-03 | A kind of Optimal Control System and control method of automobile power source change-over circuit |
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| CN111942154A (en) * | 2020-07-28 | 2020-11-17 | 广州汽车集团股份有限公司 | Wake-up device for battery management system and vehicle |
| CN114056266A (en) * | 2021-11-18 | 2022-02-18 | 宁波集联软件科技有限公司 | Shutdown method and system of application system during automobile flameout |
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Address after: Room 3011, Room 3, Building 27, 25 North Third Ring West Road, Haidian District, Beijing 100098 Applicant after: Public Question (Beijing) Information Technology Co., Ltd. Address before: 102206 No. 522, No. 115, No. 115, Shang Zhuang Road, Shang Zhuang Town, Haidian District, Beijing. Applicant before: Intelligent information technology (Beijing) Co., Ltd. |
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Application publication date: 20180406 |