CN109850057A - Shared electric vehicle control protection electric circuit and terminal device - Google Patents
Shared electric vehicle control protection electric circuit and terminal device Download PDFInfo
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Abstract
The invention discloses a kind of shared electric vehicle control protection electric circuit and terminal devices; the present invention, which passes through, utilizes the shared electric vehicle control protection electric circuit; including control trigger circuit and control output circuit; after the control trigger circuit receives the Restart Signal of current shared electric vehicle, default clock pulse signal is sent to the control output circuit；The control output circuit is after receiving the default clock pulse signal; current control parameter was replaced to export to the control equipment of shared electric vehicle the control parameter of storage of the upper period; when can be abnormal in shared electric vehicle electric switch or controlling the extremely caused power-off of level or abnormal brake; keep control parameter consistent with the control parameter of upper normally travel state; to make shared electric vehicle be quickly switched into the state of last normally travel; the smooth ride for realizing shared electric vehicle improves user and rides experience.
Description
Technical Field
The invention relates to the field of intelligent traffic, in particular to a shared electric vehicle control protection circuit and terminal equipment.
Background
With the development of technology, people use various shared devices in daily life, such as shared automobiles, shared charge pal, shared bicycles, shared electric vehicles, and the like.
When an existing shared electric vehicle runs, conditions that a switch in a control device such as a single chip microcomputer is abnormal or a control level is abnormal due to collision or road surface shake, and accordingly a battery is abnormal or a brake is abnormal, and the shared electric vehicle cannot be ridden normally, even traffic accidents occur and the like exist.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention aims to provide a shared electric vehicle control protection circuit and terminal equipment, which can synchronously share the control parameters of an electric vehicle after abnormal state adjustment to be consistent with the control parameters before a control system, and solve the problems that the conventional shared electric vehicle has pause and frustration when a user rides and the riding experience is poor due to long-time restart caused by abnormal electric door or abnormal control level.
In order to achieve the above object, the present invention provides a shared electric vehicle control protection circuit and a terminal device:
the shared electric vehicle control protection circuit comprises a control trigger circuit and a control output circuit, and the control trigger circuit is connected with the control output circuit; wherein,
the control trigger circuit is used for sending a preset clock pulse signal to the control output circuit after receiving a restart signal of the current shared electric vehicle;
the control output circuit is used for periodically collecting and storing the current control parameters of the current sharing electric vehicle,
and after receiving the preset clock pulse signal, outputting the control parameter stored in the previous period to the control equipment of the shared electric vehicle instead of the current control parameter.
Preferably, the control trigger circuit comprises a power supply, a current limiting circuit, a first voltage stabilizing circuit, a trigger and a second voltage stabilizing circuit; wherein,
the power supply is connected with the current limiting circuit, the power supply is also connected with the first voltage stabilizing circuit, the power supply is also connected with the second voltage stabilizing circuit, and the power supply is also connected with the power end of the trigger;
the current limiting circuit is connected with the first voltage stabilizing circuit;
the trigger is respectively connected with the current limiting circuit, the first voltage stabilizing circuit and the second voltage stabilizing circuit;
the trigger is also connected with the control output circuit.
Preferably, the current limiting circuit comprises a first resistor and a second resistor, wherein,
the first end of the first resistor is connected with the power supply, and the second end of the first resistor is connected with the first direct reset end of the trigger;
the first end of the second resistor is connected with the first end of the first resistor, the second end of the second resistor is connected with the first data input end of the trigger, and the second end of the second resistor is further connected with the first direct position end of the trigger.
Preferably, the first regulating circuit includes a third resistor and a first capacitor, wherein,
the first end of the third resistor is connected with the power supply, the second end of the third resistor is connected with the first clock input end of the trigger, and the second end of the third resistor is also connected with the first end of the first capacitor;
the second end of the first capacitor is grounded.
Preferably, the second regulating circuit includes a second capacitor, wherein,
the first end of the second capacitor is connected with the power supply, the second end of the second capacitor is grounded, and the second direct reset end, the second data input end, the second clock input end and the second direct position end of the trigger are all grounded.
Preferably, the control output circuit comprises a third voltage stabilizing circuit, a latch, a data shift circuit, a data output circuit and a parallel output circuit, wherein,
the latch is respectively connected with the third voltage stabilizing circuit, the data displacement circuit, the data output circuit and the parallel output circuit;
the third voltage stabilizing circuit comprises a third capacitor, the first end of the third capacitor is connected with the power supply, and the second end of the third capacitor is grounded.
Preferably, the data shift circuit includes a fourth resistor, a fifth resistor and a sixth resistor; wherein,
the first end of the fourth resistor is connected with the data shifting end of the latch, and the second end of the fourth resistor is grounded;
the first end of the fifth resistor is connected with the data storage end of the latch, and the second end of the fifth resistor is grounded;
and the first end of the sixth resistor is connected with the serial data input end of the latch, and the second end of the sixth resistor is grounded.
Preferably, the data output circuit comprises a seventh resistor, an eighth resistor, a fourth capacitor and a fifth capacitor; wherein,
the first end of the seventh resistor is connected with the power supply, the first end of the seventh resistor is also connected with the first end of the fourth capacitor, the second end of the seventh resistor is connected with the first end of the fifth capacitor, and the second end of the seventh resistor is also connected with the main reset end of the latch;
the second end of the fourth capacitor is connected with the effective output end of the latch, the effective output end of the latch is connected with the output end of the trigger, and the second end of the fourth capacitor is also connected with the first end of the eighth resistor;
and the second end of the eighth resistor is connected with the second end of the fifth capacitor, and the second end of the eighth resistor is grounded.
Preferably, the parallel output circuit includes a ninth resistor and a tenth resistor; wherein,
the first end of the ninth resistor is connected with the second parallel output end of the latch, and the second end of the ninth resistor is grounded;
and the first end of the tenth resistor is connected with the third parallel output end of the latch, and the second end of the tenth resistor is grounded.
In order to achieve the above object, the present invention further provides a terminal device:
the terminal device includes the shared electric vehicle control protection circuit as described above.
The shared electric vehicle control protection circuit comprises a control trigger circuit and a control output circuit, wherein the control trigger circuit is connected with the control output circuit; the control trigger circuit is used for sending a preset clock pulse signal to the control output circuit after receiving a restart signal of the current shared electric vehicle; the control output circuit is used for periodically acquiring and storing the current control parameters of the current shared electric vehicle, outputting the control parameters stored in the previous period to the control equipment of the shared electric vehicle instead of the current control parameters after receiving the preset clock pulse signal, and enabling the control parameters to be consistent with the control parameters in the last normal running state when the power failure or the brake caused by the abnormal electric door or the abnormal control level of the shared electric vehicle occurs through the shared electric vehicle control protection circuit, so that the shared electric vehicle is quickly switched to the last normal running state, the stable driving of the shared electric vehicle is realized, the suspension feeling of the shared electric vehicle during the riding is avoided, and the user experience is improved.
Drawings
FIG. 1 is a functional block diagram of an embodiment of a shared electric vehicle control and protection circuit according to the present invention;
FIG. 2 is a functional block diagram of an embodiment of a shared electric vehicle control and protection circuit according to the present invention;
fig. 3 is a circuit diagram of a voltage detection circuit of the shared electric vehicle control protection circuit according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the embodiment, the shared electric vehicle control protection circuit comprises a control trigger circuit 001 and a control output circuit 002, wherein the control trigger circuit 001 is connected with the control output circuit 002; the control trigger circuit 001 is configured to send a preset clock pulse signal to the control output circuit 002 after receiving a restart signal of the current shared electric vehicle; the control output circuit 002 is configured to periodically collect and store the current control parameter of the current shared electric vehicle, and after receiving the preset clock pulse signal, output the control parameter stored in the previous period to the control device of the shared electric vehicle instead of the current control parameter.
In order to perform current-limiting protection on a control chip of the shared electric vehicle and ensure normal and stable output of control parameters of the shared electric vehicle, further, the control trigger circuit 001 includes a power supply VCC, a current-limiting circuit 100, a first voltage stabilizing circuit 201, a trigger U1 and a second voltage stabilizing circuit 202; the power supply VCC is connected to the current limiting circuit 100, the power supply VCC is further connected to the first voltage stabilizing circuit 201, the power supply VCC is further connected to the second voltage stabilizing circuit 202, and the power supply VCC is further connected to a power supply end of the trigger U1; the current limiting circuit 100 is connected to the first voltage stabilizing circuit 201; the flip-flop U1 is respectively connected to the current limiting circuit 100, the first voltage stabilizing circuit 201, and the second voltage stabilizing circuit 202; the flip-flop U1 is also connected to the control output circuit 002.
In order to perform current-limiting protection on a control chip of a shared electric vehicle, further, the current-limiting circuit 100 includes a first resistor R1 and a second resistor R2, wherein a first end of the first resistor R1 is connected to the power VCC, and a second end of the first resistor R1 is connected to a first direct reset CLR1 of the flip-flop U1; a first terminal of the second resistor R2 is connected to a first terminal of the first resistor R1, a second terminal of the second resistor R2 is connected to a first data input terminal D1 of the flip-flop U1, and a second terminal of the second resistor R2 is further connected to a first direct-set terminal PRE1 of the flip-flop U1.
In order to perform voltage stabilization protection on a control chip of the shared electric vehicle and ensure normal and stable output of control parameters of the shared electric vehicle, further, the first voltage stabilizing circuit 201 includes a third resistor R3 and a first capacitor C1, wherein a first end of the third resistor R3 is connected to the power VCC, a second end of the third resistor R3 is connected to a first clock input terminal CLK1 of the flip-flop U1, and a second end of the third resistor R3 is further connected to a first end of the first capacitor C1; the second terminal of the first capacitor C1 is grounded.
In order to perform voltage stabilization protection on a control chip of the shared electric vehicle and ensure normal and stable output of control parameters of the shared electric vehicle, further, the second voltage stabilizing circuit 202 includes a second capacitor C2, wherein a first end of the second capacitor C2 is connected to the power VCC, a second end of the second capacitor C2 is grounded, and a second direct reset terminal CLR2, a second data input terminal D2, a second clock input terminal CLK2, and a second direct reset terminal PRE2 of the flip-flop U1 are all grounded.
In order to save the control parameters of the shared bicycle in real time and accelerate the time for the shared electric bicycle to recover to the normal riding state, the control output circuit 002 comprises a third voltage stabilizing circuit 203, a latch U2, a data shifting circuit 300, a data output circuit 400 and a parallel output circuit 500, wherein the latch U2 is respectively connected with the third voltage stabilizing circuit 203, the data shifting circuit 300, the data output circuit 400 and the parallel output circuit 500; the third voltage stabilizing circuit 203 comprises a third capacitor C3, a first end of the third capacitor C3 is connected to the power VCC, and a second end of the third capacitor C3 is grounded.
In order to effectively transmit control parameters and ensure the consistency of the control parameters, further, the shared electric vehicle control protection circuit further includes that the data shift circuit 300 includes a fourth resistor R4, a fifth resistor R5 and a sixth resistor R6; a first end of the fourth resistor R4 is connected to the data shift end SHCP of the latch U2, and a second end of the fourth resistor R4 is grounded; a first end of the fifth resistor R5 is connected with the data storage end STCP of the latch U2, and a second end of the fifth resistor R5 is grounded; the first end of the sixth resistor R6 is connected to the serial data input DS of the latch U2, and the second end of the sixth resistor R6 is grounded.
In order to ensure complete and fast transmission of control data, the data output circuit 400 further includes a seventh resistor R7, an eighth resistor R8, a fourth capacitor C4, and a fifth capacitor C5; a first end of the seventh resistor R7 is connected to the power source VCC, a first end of the seventh resistor R7 is further connected to a first end of the fourth capacitor C4, a second end of the seventh resistor R7 is connected to a first end of the fifth capacitor C5, and a second end of the seventh resistor R7 is further connected to a main reset end MR of the latch U2; a second end of the fourth capacitor C4 is connected to an output active end OE of the latch U2, an output active end OE of the latch U2 is connected to an output end Q1 of the flip-flop U1, and a second end of the fourth capacitor C4 is further connected to a first end of the eighth resistor R8; a second terminal of the eighth resistor R8 is connected to the second terminal of the fifth capacitor C5, and a second terminal of the eighth resistor R8 is grounded.
For stability of data output, further, the parallel output circuit 500 includes a ninth resistor R9 and a tenth resistor R10; a first end of the ninth resistor R9 is connected to the second parallel output Q2 of the latch U2, and a second end of the ninth resistor R9 is grounded; a first terminal of the tenth resistor R10 is connected to the third parallel output terminal Q3 of the latch U2, and a second terminal of the tenth resistor R10 is grounded.
The terminal device includes the shared electric vehicle control protection circuit, the terminal device may be a processing device for processing control parameters and stably controlling the processing device, the terminal device may also be a processing control terminal device such as an electronic control intelligent terminal, and the like, and may also be another type of terminal device for implementing the shared electric vehicle control protection circuit, which is not limited in this embodiment.
FIG. 1 is a functional block diagram of an embodiment of a shared electric vehicle control and protection circuit according to the present invention;
as shown in fig. 1, the shared electric vehicle control protection circuit includes a control trigger circuit 001 and a control output circuit 002, and the control trigger circuit 001 is connected to the control output circuit 002; the control trigger circuit 001 is configured to send a preset clock pulse signal to the control output circuit 002 after receiving a restart signal of the current shared electric vehicle; the control output circuit 002 is configured to periodically collect and store the current control parameter of the current shared electric vehicle, and after receiving the preset clock pulse signal, output the control parameter stored in the previous period to the control device of the shared electric vehicle instead of the current control parameter.
It can be understood that the working principle of the shared electric vehicle control protection circuit is that the shared electric vehicle control protection circuit can enable the control parameter to be consistent with the control parameter of the last normal driving state when the shared electric vehicle is abnormal in power-off or abnormal in braking caused by abnormal electric gate or abnormal control level of the shared electric vehicle, so that the shared electric vehicle is quickly switched to the last normal driving state, the stable driving of the shared electric vehicle is realized, and the occurrence of pause and frustration in riding of the shared electric vehicle is avoided.
It should be noted that the restart signal is a restart signal generated by performing an automatic restart operation when the current shared electric vehicle detects an abnormal electric gate or an abnormal control level; the preset clock pulse signal is the clock pulse signal generated by the control trigger circuit 001, the control parameter synchronization function of the control output circuit 002 can be triggered through the clock pulse signal, the control output circuit 002 can collect and store the current control parameter of the current shared electric vehicle according to the preset period periodicity, after the preset clock pulse signal is received, the current control parameter can be intercepted, and the control parameter stored in the previous period is output to the control equipment of the shared electric vehicle, so that the control parameter consistency of the shared electric vehicle before and after restarting can be ensured, the shared electric vehicle can be quickly switched to the state of the previous normal driving, and the stable driving of the shared electric vehicle can be realized.
The control protection circuit of the shared electric vehicle comprises a control trigger circuit and a control output circuit, wherein the control trigger circuit is connected with the control output circuit; the control trigger circuit is used for sending a preset clock pulse signal to the control output circuit after receiving a restart signal of the current shared electric vehicle; the control output circuit is used for periodically acquiring and storing the current control parameters of the current shared electric vehicle, outputting the control parameters stored in the previous period to the control equipment of the shared electric vehicle instead of the current control parameters after receiving the preset clock pulse signal, and enabling the control parameters to be consistent with the control parameters in the last normal running state when the power failure or the brake caused by the abnormal electric door or the abnormal control level of the shared electric vehicle occurs through the shared electric vehicle control protection circuit, so that the shared electric vehicle is quickly switched to the last normal running state, the stable driving of the shared electric vehicle is realized, the suspension feeling of the shared electric vehicle during the riding is avoided, and the user experience is improved.
FIG. 2 is a functional block diagram of an embodiment of a shared electric vehicle control and protection circuit according to the present invention;
as shown in fig. 2, the control trigger circuit 001 includes a power supply VCC, a current limiting circuit 100, a first voltage stabilizing circuit 201, a trigger U1, and a second voltage stabilizing circuit 202; the power supply VCC is connected to the current limiting circuit 100, the power supply VCC is further connected to the first voltage stabilizing circuit 201, the power supply VCC is further connected to the second voltage stabilizing circuit 202, and the power supply VCC is further connected to a power supply end of the trigger U1; the current limiting circuit 100 is connected to the first voltage stabilizing circuit 201; the flip-flop U1 is respectively connected to the current limiting circuit 100, the first voltage stabilizing circuit 201, and the second voltage stabilizing circuit 202; the flip-flop U1 is also connected to the control output circuit 002.
It should be noted that, the power VCC, the current limiting circuit 100 and the first voltage stabilizing circuit 201 can provide a stable power supply voltage value for the flip-flop U1, generally, the operating voltage of the flip-flop U1 is between 2V and 6V, and may be an operating voltage in other ranges, which is not limited in this embodiment; the trigger U1 may be a chip of type 74HC74, or may be other chips or components with a trigger function, which is not limited in this embodiment; the first voltage stabilizing circuit 201 and the second voltage stabilizing circuit 202 are used for performing voltage stabilizing protection on the flip-flop U1, the current limiting circuit 100 performs current limiting protection on the flip-flop U1, and the first voltage stabilizing circuit 201, the second voltage stabilizing circuit 202 and the current limiting circuit 100 ensure normal and stable output of a preset clock pulse signal.
Further, based on the functional block diagram of an embodiment of the shared electric vehicle control protection circuit shown in fig. 1 and fig. 2, a circuit structure diagram of an embodiment of the shared electric vehicle control protection circuit of the present invention is provided,
FIG. 3 is a circuit diagram of an embodiment of the shared electric vehicle control protection circuit of the present invention; as shown in fig. 3, the current limiting circuit 100 includes a first resistor R1 and a second resistor R2, wherein a first end of the first resistor R1 is connected to the power VCC, and a second end of the first resistor R1 is connected to a first direct reset CLR1 of the flip-flop U1; a first terminal of the second resistor R2 is connected to a first terminal of the first resistor R1, a second terminal of the second resistor R2 is connected to a first data input terminal D1 of the flip-flop U1, and a second terminal of the second resistor R2 is further connected to a first direct-set terminal PRE1 of the flip-flop U1.
It can be understood that the current limiting circuit 100 can perform current limiting protection on a control chip of a shared electric vehicle, the first resistor R1 and the second resistor R2 register with the current limiting circuit 100 to perform current limiting protection on the flip-flop U1, the first resistor R1 and the second resistor R2 may be resistors with a resistance value of 10K Ω, or may be resistors with other resistance values, which is not limited in this embodiment, the first direct reset terminal CLR1 of the flip-flop U1 is active at a low level, and the first direct reset terminal PRE1 of the flip-flop U1 is active at a low level.
Further, the first voltage stabilizing circuit 201 includes a third resistor R3 and a first capacitor C1, wherein a first terminal of the third resistor R3 is connected to the VCC, a second terminal of the third resistor R3 is connected to the first clock input terminal CLK1 of the flip-flop U1, and a second terminal of the third resistor R3 is further connected to the first terminal of the first capacitor C1; the second terminal of the first capacitor C1 is grounded.
It should be understood that the first voltage stabilizing circuit 201 can perform voltage stabilizing protection on the control chip of the shared electric vehicle to ensure normal and stable output of the control parameters of the shared electric vehicle, the third resistor R3 may be a resistor with a resistance value of 10K Ω, or a resistor with another resistance value, which is not limited in this embodiment, and the first capacitor C1 may be a patch capacitor with a capacitance value of 10nF, or may be another type of capacitor, which is not limited in this embodiment.
Further, the second voltage stabilizing circuit 202 includes a second capacitor C2, wherein a first end of the second capacitor C2 is connected to the power VCC, a second end of the second capacitor C2 is grounded, and the second direct reset terminal CLR2, the second data input terminal D2, the second clock input terminal CLK2, and the second direct set terminal PRE2 of the flip-flop U1 are all grounded.
It can be understood that the second voltage stabilizing circuit 202 can perform voltage stabilizing protection on a control chip of the shared electric vehicle to ensure normal and stable output of control parameters of the shared electric vehicle, the second capacitor C2 may be a patch capacitor with a capacitance value of 100nF, and certainly may be another type of capacitor of another type, which is not limited in this embodiment, the first voltage stabilizing circuit 201 and the second voltage stabilizing circuit 202 may perform voltage stabilizing protection on the flip-flop U1 of the shared electric vehicle to ensure normal and stable output of a preset clock pulse signal of the shared electric vehicle, the second direct reset CLR2 of the flip-flop U1 is active at a low level, and the second direct reset PRE2 of the flip-flop U1 is active at a low level.
Further, the control output circuit 002 includes a third voltage stabilizing circuit 203, a latch U2, a data shift circuit 300, a data output circuit 400 and a parallel output circuit 500, wherein the latch U2 is respectively connected to the third voltage stabilizing circuit 203, the data shift circuit 300, the data output circuit 400 and the parallel output circuit 500; the third voltage stabilizing circuit 203 comprises a third capacitor C3, a first end of the third capacitor C3 is connected to the power VCC, and a second end of the third capacitor C3 is grounded.
It should be understood that the control output circuit 002 can store the control parameters of the shared electric vehicle in real time to accelerate the time for the shared electric vehicle to recover to the normal riding state, and the latch U2 may be a chip of model 74HC595, may also be a displacement buffer, and may also be another chip or component with a cache function, which is not limited in this embodiment; the third capacitor C3 may be a patch capacitor with a capacitance value of 100nF, or may be other types of capacitors, which is not limited in this embodiment; the third voltage stabilizing circuit 203 is configured to perform voltage stabilizing protection on the latch U2, the data shifting circuit 300 is configured to shift data in the latch U2, the data output circuit 400 is configured to output adjusted control parameters, and the parallel output circuit is configured to output a plurality of level signals in parallel, thereby implementing data control.
Further, the data shift circuit 300 includes a fourth resistor R4, a fifth resistor R5, and a sixth resistor R6; a first end of the fourth resistor R4 is connected to the data shift end SHCP of the latch U2, and a second end of the fourth resistor R4 is grounded; a first end of the fifth resistor R5 is connected with the data storage end STCP of the latch U2, and a second end of the fifth resistor R5 is grounded; the first end of the sixth resistor R6 is connected to the serial data input DS of the latch U2, and the second end of the sixth resistor R6 is grounded.
It can be understood that the data shifting circuit 300 can effectively transmit control parameters and ensure consistency of the control parameters, the fourth resistor R4, the fifth resistor R5 and the sixth resistor R6 in the data shifting circuit 300 may be resistors with resistance values of 10K Ω, or resistors with other resistance values, which is not limited in this embodiment, the data shifting end SHCP of the latch U2 is used for shifting data of the data shifting circuit 300 during a rising edge, while data of the data shifting circuit 300 is unchanged during a falling edge, the data storage end STCP of the latch U2 is used for shifting data of the data shifting circuit 300 into the latch U2 during the rising edge, the data of the latch U2 is unchanged during the falling edge, the data storage end STCP is generally set to a low level, and after shifting is finished, a positive pulse is generated at the data storage end STCP, and updating the display data.
Further, the data output circuit 400 includes a seventh resistor R7, an eighth resistor R8, a fourth capacitor C4, and a fifth capacitor C5; a first end of the seventh resistor R7 is connected to the power source VCC, a first end of the seventh resistor R7 is further connected to a first end of the fourth capacitor C4, a second end of the seventh resistor R7 is connected to a first end of the fifth capacitor C5, and a second end of the seventh resistor R7 is further connected to a main reset end MR of the latch U2; a second end of the fourth capacitor C4 is connected to an output active end OE of the latch U2, an output active end OE of the latch U2 is connected to an output end Q1 of the flip-flop U1, and a second end of the fourth capacitor C4 is further connected to a first end of the eighth resistor R8; a second terminal of the eighth resistor R8 is connected to the second terminal of the fifth capacitor C5, and a second terminal of the eighth resistor R8 is grounded.
It should be understood that, by the data output circuit 400, complete and fast transmission of control data can be ensured, the seventh resistor R7 and the eighth resistor R8 may be resistors with a resistance value of 10K Ω, or may be resistors with other resistance values, which is not limited in this embodiment, and the fourth capacitor C4 may be a patch capacitor with a capacitance value of 1uF, or may be other types of capacitors, which is not limited in this embodiment; the fifth capacitor C5 may be a patch capacitor with a capacitance value of 100nF, or may be other types of capacitors, which is not limited in this embodiment; the output active terminal OE of the latch U2, i.e., the output enable terminal, when the control signal of the output active terminal OE is enabled low, the output value of the output terminal Q1 is equal to the value stored in the latch U2, and when the output active terminal OE is high, i.e., the output is turned off, the output terminal Q1 is maintained in a high impedance state; generally, the output active terminal OE is enabled all the time, the output active terminal OE inhibits the output at a high level, i.e. a high configuration, and the main reset terminal MR is disabled all the time.
Further, the parallel output circuit 500 includes a ninth resistor R9 and a tenth resistor R10; a first end of the ninth resistor R9 is connected to the second parallel output Q2 of the latch U2, and a second end of the ninth resistor R9 is grounded; a first terminal of the tenth resistor R10 is connected to the third parallel output terminal Q3 of the latch U2, and a second terminal of the tenth resistor R10 is grounded.
It can be understood that the stability of data output can be ensured by the parallel output circuit 500, the ninth resistor R9 and the tenth resistor R10 may be resistors with a resistance value of 10K Ω, or resistors with other resistance values, which is not limited in this embodiment, and the second parallel output terminal Q2 and the third parallel output terminal Q3 correspond to two segments of a nixie tube, so as to control the display of the nixie tube.
The shared electric vehicle control protection circuit comprises a control trigger circuit and a control output circuit, wherein the control trigger circuit is connected with the control output circuit; the control trigger circuit is used for sending a preset clock pulse signal to the control output circuit after receiving a restart signal of the current shared electric vehicle; the control output circuit is used for periodically acquiring and storing the current control parameters of the current shared electric vehicle, outputting the control parameters stored in the previous period to the control equipment of the shared electric vehicle instead of the current control parameters after receiving the preset clock pulse signal, and enabling the control parameters to be consistent with the control parameters in the last normal running state when the power failure or the brake caused by the abnormal electric door or the abnormal control level of the shared electric vehicle occurs through the shared electric vehicle control protection circuit, so that the shared electric vehicle is quickly switched to the last normal running state, the stable driving of the shared electric vehicle is realized, the suspension feeling of the shared electric vehicle during the riding is avoided, and the user experience is improved.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principles of the invention and these modifications should also be considered as within the scope of the invention.
Claims (10)
1. A shared electric vehicle control protection circuit, comprising: the control trigger circuit is connected with the control output circuit; wherein,
the control trigger circuit is used for sending a preset clock pulse signal to the control output circuit after receiving a restart signal of the current shared electric vehicle;
the control output circuit is used for periodically collecting and storing the current control parameters of the current sharing electric vehicle,
and after receiving the preset clock pulse signal, the control equipment output to the shared electric vehicle outputs the control parameter stored in the previous period to the control equipment of the shared electric vehicle instead of the current control parameter.
2. The shared electric vehicle control protection circuit of claim 1, wherein the control trigger circuit comprises a power supply, a current limiting circuit, a first voltage regulator circuit, a flip-flop, and a second voltage regulator circuit; wherein,
the power supply is connected with the current limiting circuit, the power supply is also connected with the first voltage stabilizing circuit, the power supply is also connected with the second voltage stabilizing circuit, and the power supply is also connected with the power end of the trigger;
the current limiting circuit is connected with the first voltage stabilizing circuit;
the trigger is respectively connected with the current limiting circuit, the first voltage stabilizing circuit and the second voltage stabilizing circuit;
the trigger is also connected with the control output circuit.
3. The shared electric vehicle control protection circuit of claim 2, wherein the current limiting circuit comprises a first resistor and a second resistor, wherein,
the first end of the first resistor is connected with the power supply, and the second end of the first resistor is connected with the first direct reset end of the trigger;
the first end of the second resistor is connected with the first end of the first resistor, the second end of the second resistor is connected with the first data input end of the trigger, and the second end of the second resistor is further connected with the first direct position end of the trigger.
4. The shared electric vehicle control protection circuit of claim 3, wherein the first regulation circuit comprises a third resistor and a first capacitor, wherein,
the first end of the third resistor is connected with the power supply, the second end of the third resistor is connected with the first clock input end of the trigger, and the second end of the third resistor is also connected with the first end of the first capacitor;
the second end of the first capacitor is grounded.
5. The shared electric vehicle control protection circuit of claim 4, wherein the second regulation circuit comprises a second capacitor, wherein,
the first end of the second capacitor is connected with the power supply, the second end of the second capacitor is grounded, and the second direct reset end, the second data input end, the second clock input end and the second direct position end of the trigger are all grounded.
6. The shared electric vehicle control protection circuit of claim 1, wherein the control output circuit comprises a third voltage regulation circuit, a latch, a data shift circuit, a data output circuit, and a parallel output circuit, wherein,
the latch is respectively connected with the third voltage stabilizing circuit, the data displacement circuit, the data output circuit and the parallel output circuit;
the third voltage stabilizing circuit comprises a third capacitor, the first end of the third capacitor is connected with the power supply, and the second end of the third capacitor is grounded.
7. The shared electric vehicle control protection circuit of claim 6, wherein the data shift circuit comprises a fourth resistor, a fifth resistor, and a sixth resistor; wherein,
the first end of the fourth resistor is connected with the data shifting end of the latch, and the second end of the fourth resistor is grounded;
the first end of the fifth resistor is connected with the data storage end of the latch, and the second end of the fifth resistor is grounded;
and the first end of the sixth resistor is connected with the serial data input end of the latch, and the second end of the sixth resistor is grounded.
8. The shared electric vehicle control protection circuit of claim 7, wherein the data output circuit comprises a seventh resistor, an eighth resistor, a fourth capacitor, and a fifth capacitor; wherein,
the first end of the seventh resistor is connected with the power supply, the first end of the seventh resistor is also connected with the first end of the fourth capacitor, the second end of the seventh resistor is connected with the first end of the fifth capacitor, and the second end of the seventh resistor is also connected with the main reset end of the latch;
the second end of the fourth capacitor is connected with the effective output end of the latch, the effective output end of the latch is connected with the output end of the trigger, and the second end of the fourth capacitor is also connected with the first end of the eighth resistor;
and the second end of the eighth resistor is connected with the second end of the fifth capacitor, and the second end of the eighth resistor is grounded.
9. The shared electric vehicle control protection circuit of claim 8, wherein the parallel output circuit comprises a ninth resistor and a tenth resistor; wherein,
the first end of the ninth resistor is connected with the second parallel output end of the latch, and the second end of the ninth resistor is grounded;
and the first end of the tenth resistor is connected with the third parallel output end of the latch, and the second end of the tenth resistor is grounded.
10. A terminal device, characterized in that it comprises a shared electric vehicle control protection circuit according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910291674.4A CN109850057A (en) | 2019-04-11 | 2019-04-11 | Shared electric vehicle control protection electric circuit and terminal device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910291674.4A CN109850057A (en) | 2019-04-11 | 2019-04-11 | Shared electric vehicle control protection electric circuit and terminal device |
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| CN201910291674.4A Pending CN109850057A (en) | 2019-04-11 | 2019-04-11 | Shared electric vehicle control protection electric circuit and terminal device |
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