CN106427585B - Time-delay method, delayed time system, delayed and lower electric time-delay method and system - Google Patents
Time-delay method, delayed time system, delayed and lower electric time-delay method and system Download PDFInfo
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- CN106427585B CN106427585B CN201611103879.8A CN201611103879A CN106427585B CN 106427585 B CN106427585 B CN 106427585B CN 201611103879 A CN201611103879 A CN 201611103879A CN 106427585 B CN106427585 B CN 106427585B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
This application discloses a kind of time-delay method, delayed time system, delayed and lower electric time-delay method and systems, wherein the time-delay method starts timing as the delayed time after receiving power on signal；Judge whether the delayed time is greater than or equal to the first preset time, if it is, the first signal of output, if it is not, then output second signal；First signal or second signal and the power on signal are taken and obtain the end S for powering on trigger signal and being input to S-R trigger after operation, the S termination of the S-R trigger powers on trigger signal described in receiving, R termination just exports enable signal after receiving the lower electric trigger signal, to realize to the delayed of the low pressure controller, and then appearance the case where avoid the occurrence of certain component operation irregularities of the low pressure controller.Meanwhile the time-delay method can also realize the lower electricity delay to the low pressure controller, so that the low pressure controller saves data.
Description
Technical field
This application involves low pressure controller control technology fields, are more specifically to a kind of time-delay method, delay
System, delayed and lower electric time-delay method and system.
Background technique
Electric car refers to the motor vehicles using power battery as all or part of power resources, including pure electric automobile
With the types such as hybrid vehicle, electric car with its used energy relative clean, discharge less, low noise and other advantages become existing
The present solves the first choice of the energy, environmental problem, this becomes the hair in auto industry future but also the demand of electric car is more and more big
Open up one of direction.
The low pressure controller of electric car requires to carry out low pressure power on operation before vehicle is struck sparks, and closes in vehicle
It needs to carry out when closing electrically operated under low pressure.By taking the entire car controller of electric car as an example, when the key of electric car gets to Off
When, it usually needs the entire car controller is controlled after a period of time that is delayed, then lower low tension, this process is referred to as lower electricity and prolongs
When, carrying out the reason of lower electricity is delayed is because the entire car controller needs to save the non-erasable data of some power down.
Refer to need to carry out the low pressure controller of the electric car operation of lower electricity delay in the prior art, so that
The low pressure controller can having time the non-erasable data of power down are saved.But there is no realize to the low pressure control
The method that device processed carries out delayed carries out low pressure to the low pressure controller if without delayed and powers on, may
The certain component operation irregularities that will cause the low pressure controller, still by taking entire car controller as an example, if without delayed
It just carries out low pressure to the entire car controller to power on, the flash driving and H bridge for being likely to result in entire car controller cannot normal works
Make.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of time-delay method, delayed time system, delayed and lower electricity to prolong
When method and system, to realize the purpose for carrying out delayed and lower electricity delay to the low pressure controller of electric car, to keep away
The case where exempting from the certain component operation irregularities for the low pressure controller occur appearance.
To realize the above-mentioned technical purpose, the embodiment of the invention provides following technical solutions：
A kind of time-delay method, applied to low pressure controller low pressure power on it is electric under low pressure, the low pressure controller is connected to low
The positive and negative both ends of battery are pressed, the related method thereof includes：
Start timing as the delayed time after receiving power on signal；
Judge whether the delayed time is greater than or equal to the first preset time, if it is, the first signal of output,
If it is not, then output second signal；
First signal or second signal and the power on signal are taken and power on trigger signal and defeated with obtaining after operation
Enter the end S to S-R trigger；
After receiving lower electric signal, timing signal will be obtained after the lower negated operation of electric signal；
Start timing as lower electric delay time after receiving the timing signal；
Judge whether the lower electric delay time is greater than or equal to the second preset time, if it is, output third signal,
If it is not, then output fourth signal；
The third signal or fourth signal and the timing signal are taken and obtain lower electric trigger signal and defeated after operation
Enter to the end R of the S-R trigger；
The Q output of the S-R trigger is connect with the low pressure controller, and the low pressure controller receives the S-
It starts to work after the enable signal of the Q output output of R trigger；
First signal and third signal are 1 signal of state, and the second signal and fourth signal are 0 signal of state.
Preferably, described receive starts timing as the delayed time after power on signal and includes：
After receiving power on signal, the accumulated counts period is as the delayed time.
Preferably, described take first signal or second signal and the power on signal powers on touching with acquisition after operation
It signals and the end S for being input to S-R trigger includes：
First signal or second signal and the power on signal are taken and power on trigger signal with acquisition after operation；
After next counting end cycle, by the end S for powering on trigger signal and being input to S-R trigger.
A kind of delayed time system, applied to low pressure controller low pressure power on it is electric under low pressure, the low pressure controller is connected to low
The positive and negative both ends of battery are pressed, the delay system includes：Delayed module, lower electric time delay module and S-R trigger,
In,
The delayed module includes：
First timing unit, for starting timing as the delayed time after receiving power on signal；
First judging unit, for judging whether the delayed time is greater than or equal to the first preset time, if
It is then to export the first signal, if it is not, then output second signal；
First input unit is obtained for taking first signal or second signal with the power on signal with after operation
It powers on trigger signal and is input to the end S of the S-R trigger；
The lower electric time delay module includes：
Negated unit will obtain timing signal after the lower negated operation of electric signal after receiving lower electric signal；
Second timing unit, for starting timing as lower electric delay time after receiving the timing signal；
Second judgment unit, for judging whether the lower electric delay time is greater than or equal to the second preset time, if
It is then to export third signal, if it is not, then output fourth signal；
The third signal or fourth signal and the timing signal are taken and obtain lower electricity after operation by the second input unit
Trigger signal and the end R for being input to the S-R trigger；
The Q output of the S-R trigger is connect with the low pressure controller, and the low pressure controller receives the S-
It starts to work after the enable signal of the Q output output of R trigger；
First signal and third signal are 1 signal of state, and the second signal and fourth signal are 0 signal of state.
Preferably, first timing unit is specifically used for after receiving power on signal, and the accumulated counts period is used as and powers on
Delay time.
Preferably, first input unit includes：
With operating unit, obtained for taking first signal or second signal and the power on signal with after operation
Electric trigger signal；
Subelement is inputted, for after next counting end cycle, the trigger signal that powers on to be input to S-R triggering
The end S of device.
Preferably, the value range of first preset time is 200ms ± 150ms, including endpoint value.
Preferably, the value range of second preset time is 500ms ± 400ms, including endpoint value.
A kind of delayed and lower electric time-delay method, applied to low pressure controller low pressure power on it is electric under low pressure, it is described low
Pressure controller is connected to the positive and negative both ends of low tension battery, and the delayed and lower electric time-delay method include：
The low pressure controller wake-up stitch voltage is obtained after receiving power on signal；
Judge whether the wake-up stitch voltage is greater than threshold voltage, if it is, by the power on signal input time delay
System wakes up the low pressure controller after the delayed of the delayed time system；
After receiving lower electric signal, the lower electric signal is inputted into the delayed time system, by under the delayed time system
After electricity delay, controls the low pressure controller and stop working；
The delayed time system is delayed time system described in any of the above embodiments.
Preferably, it is described receive lower electric signal after, the lower electric signal is inputted into the delayed time system, is prolonged by described
When system it is lower electricity delay after, control the low pressure controller stop working including：
After receiving lower electric signal, the lower electric signal is inputted into the delayed time system；
After the lower electricity delay of the delayed time system, after next counting end cycle of the delayed time system, control
The low pressure controller is made to stop working.
A kind of delayed and lower electric delayed time system, applied to low pressure controller low pressure power on it is electric under low pressure, it is described low
Pressure controller is connected to the positive and negative both ends of low tension battery, and the delayed and lower electric delayed time system include：
Voltage obtains module, for obtaining the low pressure controller wake-up stitch voltage after receiving power on signal；
Threshold voltage comparison module, for judging whether the wake-up stitch voltage is greater than threshold voltage, if it is, will
The power on signal input time delay system wakes up the low pressure controller after the delayed of the delayed time system；
The lower electric signal is inputted the delayed time system, by described after receiving lower electric signal by lower electricity module
After the lower electricity delay of delayed time system, controls the low pressure controller and stop working；
The delayed time system is delayed time system described in any of the above embodiments.
Preferably, the lower electric module includes：
The lower electric signal is inputted the delayed time system after receiving lower electric signal by signal input unit；
Control unit, after being delayed for the lower electricity by the delayed time system, in next counting of the delayed time system
After end cycle, controls the low pressure controller and stop working.
It can be seen from the above technical proposal that the embodiment of the invention provides a kind of time-delay method, delayed time system, powering on and prolonging
When and lower electric time-delay method and system, wherein the time-delay method starts timing conduct and powers on to prolong after receiving power on signal
When the time；Then judge whether the delayed time is greater than or equal to the first preset time, if it is, the first letter of output
Number, if it is not, then output second signal；Finally, taking and operating first signal or second signal with the power on signal
The end S for powering on trigger signal and being input to S-R trigger is obtained afterwards；When the trigger signal that powers on is the second signal and institute
State power on signal take with operation obtain when, be 0 signal of state, at this time the delayed do not complete, the S-R trigger
It is 0 signal of state that S termination received, which powers on trigger signal, and the lower electric trigger signal that R termination receives also is 0 signal of state, described
The enable signal of the end the Q output of S-R trigger is 0 signal of state, cannot wake up the low pressure controller；Only powered on when described
Trigger signal is that first signal and the power on signal take when obtaining with operation, is 1 signal of state, described at this time to power on
Delay time is greater than or equal to the first preset time, i.e. delayed has been completed, and the trigger signal that powers on is the letter of state 1
Number, i.e., it is 1 signal of state that the S termination of the described S-R trigger received, which powers on trigger signal, and the lower electricity triggering that R termination receives
Signal is 0 signal of state, and the enable signal of the end the Q output of the S-R trigger is 1 signal of state, to wake up the low pressure control
Device processed enables the low pressure controller to work normally, to complete the delayed to the low pressure controller, and then avoids
There is the appearance of the case where certain component operation irregularities of the low pressure controller.
In addition, being completed through the similar process of excessively delayed to the low pressure controller after receiving lower electric signal
It is lower electricity delay so that the low pressure controller it is lower electricity delay during the non-erasable data of some power down are saved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow diagram for time-delay method that one embodiment of the application provides；
Fig. 2 is a kind of flow diagram for time-delay method that another embodiment of the application provides；
Fig. 3 is a kind of flow diagram for time-delay method that another embodiment of the application provides；
Fig. 4 is a kind of structural schematic diagram for delayed time system that one embodiment of the application provides；
Fig. 5 is a kind of structural schematic diagram for delayed time system that another embodiment of the application provides；
Fig. 6 is the flow diagram of a kind of delayed and lower electric time-delay method that one embodiment of the application provides；
Fig. 7 is the process signal of a kind of delayed and lower electric time-delay method that another embodiment of the application provides
Figure；
Fig. 8 is the structural schematic diagram of a kind of one embodiment of the application delayed provided and lower electric delayed time system；
Fig. 9 is the structural representation of a kind of another embodiment of the application delayed provided and lower electric delayed time system
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present application provides a kind of time-delay method, as shown in Figure 1, including：
S101：Start timing as the delayed time after receiving power on signal；
S102：Judge whether the delayed time is greater than or equal to the first preset time, if it is, output first
Signal, if it is not, then output second signal；
S103：First signal or second signal and the power on signal are taken and power on trigger signal with acquisition after operation
And it is input to the end S of S-R trigger；
S104：After receiving lower electric signal, timing signal will be obtained after the lower negated operation of electric signal；
S105：Start timing as lower electric delay time after receiving the timing signal；
S106：Judge whether the lower electric delay time is greater than or equal to the second preset time, if it is, output third
Signal, if it is not, then output fourth signal；
S107：The third signal or fourth signal and the timing signal are taken and obtain lower electric trigger signal after operation
And it is input to the end R of the S-R trigger；
S108：The Q output of the S-R trigger is connect with the low pressure controller, and the low pressure controller receives
It starts to work after the enable signal of the Q output output of the S-R trigger；
First signal and third signal are 1 signal of state, and the second signal and fourth signal are 0 signal of state.
It should be noted that the positive and negative both ends for being connected to low tension battery of the low pressure controller refer to the low voltage control
Device is in normal electricity condition, i.e., there is still a need for power supplies when key is in Off state for the described low pressure controller.
Under normal circumstances, 1 signal of state refers to that high level signal, 0 signal of state refer to low level signal.The application is to this
And without limitation, specific depending on actual conditions.The power on signal refers to the state when the key of electric car gets to On
Signal, status signal at this time is 1 signal of state, correspondingly, the lower electric signal refers to when the key of electric car gets to Off
When status signal, status signal at this time is 0 signal of state.
In application process, when the trigger signal that powers on is that the second signal takes with the power on signal and obtains with operation
When obtaining, since the second signal is 0 signal of state, the power on signal is 1 signal of state, and the trigger signal that powers on is shape
0 signal of state, the delayed does not complete at this time, and it is state 0 that the S termination of the S-R trigger received, which powers on trigger signal,
Signal, the lower electric trigger signal that R termination receives also are 0 signal of state, and the enable signal of the end the Q output of the S-R trigger is
0 signal of state, cannot wake up the low pressure controller；Only when it is described power on trigger signal be first signal and it is described on
When electric signal is taken with operation acquisition, it is 1 signal of state, it is default more than or equal to first represents the delayed time at this time
Time, i.e. delayed have completed, and the trigger signal that powers on is 1 signal of state, i.e., the end S of the described S-R trigger receives
To the trigger signal that powers on be 1 signal of state, and the lower electric trigger signal that R termination receives is 0 signal of state, the S-R triggering
The enable signal of the end the Q output of device enables the low pressure controller just to wake up the low pressure controller for 1 signal of state
Often work to complete the delayed to the low pressure controller, and then avoids the occurrence of certain portions of the low pressure controller
The case where part operation irregularity, occurs.
Likewise, the key of the electric car gets to Off and triggers the lower telecommunications when needing to carry out lower electricity delay
Number, timing signal will be obtained after the lower negated operation of electric signal, then the timing signal is 1 signal of state；When the lower electricity
When trigger signal is that the fourth signal takes with the timing signal with obtaining after operation, the R termination of the S-R trigger is received
The lower electric trigger signal be 0 signal of state, although at this point, the S termination of the S-R trigger receive described power on triggering
Signal is 0 signal of state, but since the end R of the S-R trigger does not receive 1 signal of state, the S-R trigger at this time
The end Q still 1 signal of output state, the low pressure controller still can work normally at this time, i.e., to the non-erasable number of some power down
According to being saved；When the lower electric trigger signal is the third signal and the timing signal takes with obtaining after operation, institute
It is 1 signal of state that the R for stating S-R trigger, which terminates the lower electric trigger signal received, at this point, lower electricity delay completion, the S-R
The trigger signal that powers on that the S termination of trigger receives is 0 signal of state, at this time the end the Q output state of the S-R trigger
0 signal, the low pressure controller complete electricity under low pressure.
On the basis of the above embodiments, in one embodiment of the application, as shown in Fig. 2, described receive powers on
Starting timing as the delayed time after signal includes：
S1011：After receiving power on signal, the accumulated counts period is as the delayed time.
It should be noted that the length for counting the period is in 10ms or so.The type of specific value view low pressure controller
Uncertain with model, the application is to this and without limitation.
On the basis of the above embodiments, in another embodiment of the application, as shown in figure 3, described by described
One signal or second signal and the power on signal take and obtain the S for powering on trigger signal and being input to S-R trigger after operation
End includes：
S1031：First signal or second signal and the power on signal are taken and power on triggering letter with acquisition after operation
Number；
S1032：After next counting end cycle, by the end S for powering on trigger signal and being input to S-R trigger.
It should be noted that when next counting period refers to that the cumulative counting period is default more than or equal to described first
Between after a back to back counting period.
In the present embodiment, after powering on trigger signal described in the acquisition, it is also necessary to after a counting period, then by institute
Stating the purpose for powering on the end S that trigger signal is input to S-R trigger is avoided in cumulative technology cycle more than or equal to described
When the first preset time, the driver of the electric car turns round key to Off state, and still carries out low pressure controller and power on
The case where occur.
On the basis of the above embodiments, in the specific embodiment of the application, first preset time is taken
Value range is 200ms ± 150ms, including endpoint value.The specific value of first preset time is needed according to the low pressure control
The type and performance of device processed are set, the application to this and without limitation, specifically depending on actual conditions.Described second is default
The value range of time is 500ms ± 400ms, including endpoint value.Likewise, the specific value of second preset time needs
Set according to the type of the low pressure controller and performance, the application to this and without limitation, it is specific regard actual conditions and
It is fixed.
Correspondingly, the embodiment of the present application also provides a kind of delayed time systems, as shown in figure 4, it is low to be applied to low pressure controller
Pressure, which is powered on, is connected to the positive and negative both ends of low tension battery with electricity, the low pressure controller under low pressure, and the delay system includes：It powers on
Time delay module 100, lower electric time delay module 200 and S-R trigger 300, wherein
As shown in figure 5, the delayed module 100 includes：
First timing unit 110, for starting timing as the delayed time after receiving power on signal；
First judging unit 120, for judging whether the delayed time is greater than or equal to the first preset time, such as
Fruit is then to export the first signal, if it is not, then output second signal；
First input unit 130, after first signal or second signal and the power on signal are taken and operated
Obtain the end S for powering on trigger signal and being input to the S-R trigger 300；
The lower electric time delay module 200 includes：
Negated unit 210 will obtain timing letter after receiving lower electric signal after the lower negated operation of electric signal
Number；
Second timing unit 220, for starting timing as lower electric delay time after receiving the timing signal；
Second judgment unit 230, for judging whether the lower electric delay time is greater than or equal to the second preset time, such as
Fruit is then to export third signal, if it is not, then output fourth signal；
The third signal or fourth signal are taken with the timing signal and are obtained with after operation by the second input unit 240
Lower electricity trigger signal and the end R for being input to the S-R trigger 300；
The Q output of the S-R trigger 300 is connect with the low pressure controller, and the low pressure controller receives institute
It starts to work after stating the enable signal of the Q output output of S-R trigger 300；
First signal and third signal are 1 signal of state, and the second signal and fourth signal are 0 signal of state.
It should be noted that the positive and negative both ends for being connected to low tension battery of the low pressure controller refer to the low voltage control
Device is in normal electricity condition, i.e., there is still a need for power supplies when key is in Off state for the described low pressure controller.
Under normal circumstances, 1 signal of state refers to that high level signal, 0 signal of state refer to low level signal.The application is to this
And without limitation, specific depending on actual conditions.The power on signal refers to the state when the key of electric car gets to On
Signal, status signal at this time is 1 signal of state, correspondingly, the lower electric signal refers to when the key of electric car gets to Off
When status signal, status signal at this time is 0 signal of state.
In application process, when the trigger signal that powers on is that the second signal takes with the power on signal and obtains with operation
When obtaining, since the second signal is 0 signal of state, the power on signal is 1 signal of state, and the trigger signal that powers on is shape
0 signal of state, the delayed does not complete at this time, and it is shape that the S termination of the S-R trigger 300 received, which powers on trigger signal,
0 signal of state, the lower electric trigger signal that R termination receives also are 0 signal of state, and the end the Q output of the S-R trigger 300 enables
Signal is 0 signal of state, cannot wake up the low pressure controller；Only when it is described power on trigger signal be first signal with
The power on signal takes when obtaining with operation, is 1 signal of state, represents the delayed time at this time and is greater than or equal to the
One preset time, i.e. delayed have been completed, and the trigger signal that powers on is 1 signal of state, i.e., the described S-R trigger 300
The trigger signal that powers on that receives of S termination be 1 signal of state, and the lower electric trigger signal that R termination receives is 0 signal of state, institute
The enable signal for stating the end the Q output of S-R trigger 300 makes the low pressure for 1 signal of state to wake up the low pressure controller
Controller can work normally, to complete the delayed to the low pressure controller, and then avoid the occurrence of the low pressure control
The appearance of the case where certain component operation irregularities of device processed.
Likewise, the key of the electric car gets to Off and triggers the lower telecommunications when needing to carry out lower electricity delay
Number, timing signal will be obtained after the lower negated operation of electric signal, then the timing signal is 1 signal of state；When the lower electricity
When trigger signal is that the fourth signal takes with the timing signal with obtaining after operation, the R termination of the S-R trigger 300
The lower electric trigger signal received is 0 signal of state, although at this point, the S termination of the S-R trigger 300 receive it is described
Powering on trigger signal is 0 signal of state, but since the end R of the S-R trigger 300 does not receive 1 signal of state, described at this time
The end Q of S-R trigger 300 still 1 signal of output state, the low pressure controller still can work normally at this time, i.e., to some
The non-erasable data of power down are saved；When the lower electric trigger signal takes and grasps with the timing signal for the third signal
When obtaining after work, the lower electric trigger signal that the R termination of the S-R trigger 300 receives is 1 signal of state, at this point, lower electricity
Delay is completed, and the trigger signal that powers on that the S termination of the S-R trigger 300 receives is 0 signal of state, at this time the S-R
0 signal of the end Q output state of trigger 300, the low pressure controller complete electricity under low pressure.
On the basis of the above embodiments, in one embodiment of the application, first timing unit is specifically used for
After receiving power on signal, the accumulated counts period is as the delayed time.
It should be noted that the length for counting the period is in 10ms or so.The type of specific value view low pressure controller
Uncertain with model, the application is to this and without limitation.
On the basis of the above embodiments, in another embodiment of the application, first input unit includes：
With operating unit, obtained for taking first signal or second signal and the power on signal with after operation
Electric trigger signal；
Subelement is inputted, for after next counting end cycle, the trigger signal that powers on to be input to S-R triggering
The end S of device 300.
It should be noted that when next counting period refers to that the cumulative counting period is default more than or equal to described first
Between after a back to back counting period.
In the present embodiment, after powering on trigger signal described in the acquisition, it is also necessary to after a counting period, then by institute
Stating the purpose for powering on the end S that trigger signal is input to S-R trigger 300 is to avoid being greater than or equal to institute in cumulative technology cycle
When stating the first preset time, the driver of the electric car turns round key to Off state, and still carries out on low pressure controller
The situation of electricity occurs.
On the basis of the above embodiments, in the specific embodiment of the application, first preset time is taken
Value range is 200ms ± 150ms, including endpoint value.The specific value of first preset time is needed according to the low pressure control
The type and performance of device processed are set, the application to this and without limitation, specifically depending on actual conditions.Described second is default
The value range of time is 500ms ± 400ms, including endpoint value.Likewise, the specific value of second preset time needs
Set according to the type of the low pressure controller and performance, the application to this and without limitation, it is specific regard actual conditions and
It is fixed.
Correspondingly, the embodiment of the present application also provides a kind of delayed and lower electric time-delay methods, as shown in fig. 6, using
In low pressure controller low pressure power on it is electric under low pressure, the low pressure controller is connected to the positive and negative both ends of low tension battery, it is described on
Electricity delay and lower electric time-delay method include：
S201：The low pressure controller wake-up stitch voltage is obtained after receiving power on signal；
S202：Judge whether the wake-up stitch voltage is greater than threshold voltage, if it is, the power on signal is inputted
Delayed time system wakes up the low pressure controller after the delayed of the delayed time system；
S203：After receiving lower electric signal, the lower electric signal is inputted into the delayed time system, by the delayed time system
It is lower electricity delay after, control the low pressure controller and stop working；
The delayed time system is delayed time system described in any of the above-described embodiment.
It should be noted that the specific value of the threshold voltage is depending on the type of the low pressure controller, the application
To this and without limitation.
On the basis of the above embodiments, in one embodiment of the application, as shown in fig. 7, described receive lower electricity
After signal, the lower electric signal is inputted into the delayed time system, after the lower electricity delay of the delayed time system, is controlled described low
Pressure controller stop working including：
S2031：After receiving lower electric signal, the lower electric signal is inputted into the delayed time system；
S2032：After the lower electricity delay of the delayed time system, in next counting end cycle of the delayed time system
Afterwards, the low pressure controller is controlled to stop working.
Likewise, after the lower electricity delay by the delayed time system, it is also necessary in next meter of the delayed time system
Terminate one number time to control the purpose that the low pressure controller stops working again to be to avoid prolonging due to the lower electricity in the delayed time system
Constantly, the driver of the electric car turns round key to On, and still controls the case where low pressure controller stops working
Occur.
Correspondingly, the embodiment of the present application also provides a kind of delayed and lower electric delayed time systems, as shown in figure 8, using
In low pressure controller low pressure power on it is electric under low pressure, the low pressure controller is connected to the positive and negative both ends of low tension battery, it is described on
Electricity delay and lower electric delayed time system include：
Voltage obtains module 400, for obtaining the low pressure controller wake-up stitch voltage after receiving power on signal；
Threshold voltage comparison module 500, for judging whether the wake-up stitch voltage is greater than threshold voltage, if so,
Then by the power on signal input time delay system, after the delayed of the delayed time system, the low pressure controller is waken up；
The lower electric signal is inputted the delayed time system, passed through by lower electricity module 600 after receiving lower electric signal
After the lower electricity delay of the delayed time system, controls the low pressure controller and stop working；
The delayed time system is delayed time system described in any of the above-described embodiment.
On the basis of the above embodiments, in one embodiment of the application, as shown in figure 9, the lower electric module packet
It includes：
The lower electric signal is inputted the delayed time system after receiving lower electric signal by signal input unit 610；
Control unit 620, after being delayed for the lower electricity by the delayed time system, in next meter of the delayed time system
After one number time, controls the low pressure controller and stop working.
Likewise, after the lower electricity delay by the delayed time system, it is also necessary in next meter of the delayed time system
Terminate one number time to control the purpose that the low pressure controller stops working again to be to avoid prolonging due to the lower electricity in the delayed time system
Constantly, the driver of the electric car turns round key to On, and still controls the case where low pressure controller stops working
Occur.
In conclusion the embodiment of the present application provides a kind of time-delay method, delayed time system, delayed and lower electric delay side
Method and system, wherein the time-delay method starts timing as the delayed time after receiving power on signal；Then judge
Whether the delayed time is greater than or equal to the first preset time, if it is, the first signal of output, if it is not, then defeated
Second signal out；Triggering is powered on acquisition after operation finally, taking first signal or second signal and the power on signal
Signal and the end S for being input to S-R trigger；When it is described power on trigger signal be the second signal and the power on signal take with
It is 0 signal of state when operation obtains, the delayed does not complete at this time, and the S termination of the S-R trigger receives upper
Electric trigger signal is 0 signal of state, and the lower electric trigger signal that R termination receives also is 0 signal of state, the end Q of the S-R trigger
The enable signal of output is 0 signal of state, cannot wake up the low pressure controller；Only when the trigger signal that powers on is described
First signal and the power on signal take with operate obtain when, be 1 signal of state, at this time the delayed time be greater than or
Equal to the first preset time, i.e. delayed has been completed, and the trigger signal that powers on is 1 signal of state, i.e., the described S-R triggering
It is 1 signal of state that the S termination of device received, which powers on trigger signal, and the lower electric trigger signal that R termination receives is 0 signal of state,
The enable signal of the end the Q output of the S-R trigger makes the low pressure control for 1 signal of state to wake up the low pressure controller
Device processed can work normally, to complete the delayed to the low pressure controller, and then avoid the occurrence of the low voltage control
The case where certain component operation irregularities of device, occurs.
In addition, being completed through the similar process of excessively delayed to the low pressure controller after receiving lower electric signal
It is lower electricity delay so that the low pressure controller it is lower electricity delay during the non-erasable data of some power down are saved.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (12)
1. a kind of time-delay method, which is characterized in that powered on and electric under low pressure, the low voltage control applied to low pressure controller low pressure
Device is connected to the positive and negative both ends of low tension battery, and the time-delay method includes：
Start timing as the delayed time after receiving power on signal；
Judge whether the delayed time is greater than or equal to the first preset time, if it is, the first signal of output, if
It is no, then export second signal；
First signal or second signal are taken with the power on signal and powers on trigger signal with acquisition after operation and is input to
The end S of S-R trigger；
After receiving lower electric signal, timing signal will be obtained after the lower negated operation of electric signal；
Start timing as lower electric delay time after receiving the timing signal；
Judge whether the lower electric delay time is greater than or equal to the second preset time, if it is, output third signal, if
It is no, then export fourth signal；
The third signal or fourth signal are taken with the timing signal and obtains lower electric trigger signal after operation and is input to
The end R of the S-R trigger；
The Q output of the S-R trigger is connect with the low pressure controller, and the low pressure controller receives the S-R touching
It starts to work after the enable signal of the Q output output of hair device；
First signal and third signal are 1 signal of state, and the second signal and fourth signal are 0 signal of state.
2. time-delay method according to claim 1, which is characterized in that the beginning timing conduct after receiving power on signal
The delayed time includes：
After receiving power on signal, the accumulated counts period is as the delayed time.
3. time-delay method according to claim 2, which is characterized in that described by first signal or second signal and institute
It states power on signal and takes with obtaining to power on trigger signal and be input to the end S of S-R trigger after operation and include：
First signal or second signal and the power on signal are taken and power on trigger signal with acquisition after operation；
After next counting end cycle, by the end S for powering on trigger signal and being input to S-R trigger.
4. a kind of delayed time system, which is characterized in that powered on and electric under low pressure, the low voltage control applied to low pressure controller low pressure
Device is connected to the positive and negative both ends of low tension battery, and the delayed time system includes：Delayed module, lower electric time delay module and S-R touching
Send out device, wherein
The delayed module includes：
First timing unit, for starting timing as the delayed time after receiving power on signal；
First judging unit, for judging whether the delayed time is greater than or equal to the first preset time, if it is,
The first signal is exported, if it is not, then output second signal；
First input unit is powered on for taking first signal or second signal with the power on signal with after operation
Trigger signal and the end S for being input to the S-R trigger；
The lower electric time delay module includes：
Negated unit will obtain timing signal after the lower negated operation of electric signal after receiving lower electric signal；
Second timing unit, for starting timing as lower electric delay time after receiving the timing signal；
Second judgment unit, for judging whether the lower electric delay time is greater than or equal to the second preset time, if it is,
Third signal is exported, if it is not, then output fourth signal；
The third signal or fourth signal and the timing signal are taken and obtain lower electricity triggering after operation by the second input unit
Signal and the end R for being input to the S-R trigger；
The Q output of the S-R trigger is connect with the low pressure controller, and the low pressure controller receives the S-R touching
It starts to work after the enable signal of the Q output output of hair device；
First signal and third signal are 1 signal of state, and the second signal and fourth signal are 0 signal of state.
5. delayed time system according to claim 4, which is characterized in that first timing unit is specifically used for receiving
After electric signal, the accumulated counts period is as the delayed time.
6. delayed time system according to claim 5, which is characterized in that first input unit includes：
With operating unit, touching is powered on acquisition after operation for taking first signal or second signal and the power on signal
It signals；
Subelement is inputted, for after next counting end cycle, the trigger signal that powers on to be input to S-R trigger
The end S.
7. delayed time system according to claim 4, which is characterized in that the value range of first preset time is
200ms±150ms。
8. delayed time system according to claim 4, which is characterized in that the value range of second preset time is
500ms±400ms。
9. a kind of delayed and lower electric time-delay method, which is characterized in that applied to low pressure controller low pressure power on under low pressure
Electricity, the low pressure controller are connected to the positive and negative both ends of low tension battery, and the delayed and lower electric time-delay method include：
The low pressure controller wake-up stitch voltage is obtained after receiving power on signal；
Judge whether the wake-up stitch voltage is greater than threshold voltage, if it is, by the power on signal input time delay system,
After the delayed of the delayed time system, the low pressure controller is waken up；
After receiving lower electric signal, the lower electric signal is inputted into the delayed time system, is prolonged by the lower electricity of the delayed time system
Shi Hou controls the low pressure controller and stops working；
The delayed time system is the described in any item delayed time systems of claim 4-8.
10. delayed according to claim 9 and lower electric time-delay method, which is characterized in that described to receive lower telecommunications
After number, the lower electric signal is inputted into the delayed time system, after the lower electricity delay of the delayed time system, controls the low pressure
Controller stop working including：
After receiving lower electric signal, the lower electric signal is inputted into the delayed time system；
After the lower electricity delay of the delayed time system, after next counting end cycle of the delayed time system, institute is controlled
Low pressure controller is stated to stop working.
11. a kind of delayed and lower electric delayed time system, which is characterized in that applied to low pressure controller low pressure power on under low pressure
Electricity, the low pressure controller are connected to the positive and negative both ends of low tension battery, and the delayed and lower electric delayed time system include：
Voltage obtains module, for obtaining the low pressure controller wake-up stitch voltage after receiving power on signal；
Threshold voltage comparison module, for judging whether the wake-up stitch voltage is greater than threshold voltage, if it is, will be described
Power on signal input time delay system wakes up the low pressure controller after the delayed of the delayed time system；
The lower electric signal is inputted the delayed time system, by the delay after receiving lower electric signal by lower electricity module
After the lower electricity delay of system, controls the low pressure controller and stop working；
The delayed time system is the described in any item delayed time systems of claim 4-8.
12. delayed according to claim 11 and lower electric delayed time system, which is characterized in that the lower electric module packet
It includes：
The lower electric signal is inputted the delayed time system after receiving lower electric signal by signal input unit；
Control unit, after being delayed for the lower electricity by the delayed time system, in next counting period of the delayed time system
After, it controls the low pressure controller and stops working.
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| CN107562037B (en) * | 2017-08-25 | 2020-04-24 | 北京新能源汽车股份有限公司 | Vehicle power-on and power-off control method and device |
| CN107719159B (en) * | 2017-09-21 | 2020-01-31 | 浙江吉利汽车研究院有限公司 | electric automobile low-power-consumption delay power-off circuit and control method |
| CN109520203B (en) * | 2018-11-26 | 2024-01-02 | 东风电动车辆股份有限公司 | Control system and control method for refrigeration air conditioner of electric refrigerator car |
| CN109611231B (en) * | 2018-12-03 | 2021-10-29 | 潍柴动力股份有限公司 | Method and device for checking master ECU and slave ECU of engine |
| CN112537203B (en) * | 2019-09-23 | 2022-04-05 | 北京新能源汽车股份有限公司 | Low-voltage storage battery power-on control method and device of electric automobile and electric automobile |
| CN113696732A (en) * | 2020-05-20 | 2021-11-26 | 北京新能源汽车股份有限公司 | Low-voltage power-down control method and device and electric automobile |
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