CN113581339A - Electric vehicle controller and electric vehicle - Google Patents
Electric vehicle controller and electric vehicle Download PDFInfo
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- CN113581339A CN113581339A CN202111002177.1A CN202111002177A CN113581339A CN 113581339 A CN113581339 A CN 113581339A CN 202111002177 A CN202111002177 A CN 202111002177A CN 113581339 A CN113581339 A CN 113581339A
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- 239000003990 capacitor Substances 0.000 claims description 32
- 238000001514 detection method Methods 0.000 claims description 24
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- 230000003068 static effect Effects 0.000 abstract description 9
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J27/00—Safety equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J99/00—Subject matter not provided for in other groups of this subclass
Abstract
The invention discloses an electric vehicle controller and an electric vehicle. The electric vehicle controller comprises a first control module, a second control module, a central processing unit, a power switch module and a power module; the input end of the first control module is connected with the electric door lock and the control switch, the output end of the first control module is electrically connected with the control end of the power switch module, and the first control module is used for controlling the power switch module to be conducted when the electric door lock and the control switch are closed; the input end of the second control module is electrically connected with the central processing unit, the output end of the second control module is electrically connected with the control end of the power switch module, and the second control module is used for controlling the power switch module to be turned off when receiving a turn-off signal sent by the central processing unit; the power switch module is used for controlling whether the power module works or not. According to the invention, when the electric door lock of the electric vehicle is unlocked, if the electric vehicle is in a braking state or a static state for a period of time, the power module of the controller stops working, and the effect of reducing the power consumption of the electric vehicle is achieved.
Description
Technical Field
The embodiment of the invention relates to the technical field of control, in particular to an electric vehicle controller and an electric vehicle.
Background
Electric bicycle, tricycle are indispensable well short distance trip instrument among the daily life, and the user has higher and higher to the security of riding of electric motor car, the continuation of journey ability requirement of riding, and most electric bicycle, tricycle all have P shelves brake function, need to remove P shelves before the electric motor car parks the speed governing start for a period and just can make the speed governing effective, prevent to ride passerby maloperation and lead to the incident.
However, when the existing electric vehicle enters a braking state or a static state in the unlocking state of the electric door lock, the power module of the controller is always in a working state, and the power consumption of the electric vehicle is increased.
Disclosure of Invention
The invention provides an electric vehicle controller and an electric vehicle, which are used for stopping a power module of the controller when the electric vehicle enters a braking state or a static state in an electric door lock opening state, so that the power consumption of the electric vehicle is reduced.
In a first aspect, an embodiment of the present invention provides an electric vehicle controller, including: the power supply comprises a first control module, a second control module, a central processing unit, a power supply switch module and a power supply module;
the input end of the first control module is used for connecting an electric door lock and a control switch, the output end of the first control module is electrically connected with the control end of the power switch module, and the first control module is used for controlling the power switch module to be conducted when the electric door lock and the control switch are closed; the control switch comprises at least one of a P-gear switch and a brake switch;
the input end of the second control module is electrically connected with the central processing unit, the output end of the second control module is electrically connected with the control end of the power switch module, and the second control module is used for controlling the power switch module to be turned off when receiving a turn-off signal sent by the central processing unit;
the first end of the power switch module is electrically connected with the power supply end of the battery, the second end of the power switch module is electrically connected with the power module, and the power switch module is used for controlling whether the power module works or not.
Optionally, the first control module comprises: a first level control unit;
the input end of the first level control unit is connected with the electric door lock and the control switch, the output end of the first level control unit is electrically connected with the control end of the power switch module, and the first level control unit is used for controlling the power switch module to be switched on when the electric door lock and the control switch are closed.
Optionally, the first control module further comprises: a level conversion unit;
the level conversion unit is connected with the electric door lock and the control switch, the output end of the level conversion unit is electrically connected with the control end of the power switch module through the first level control unit, and the level conversion unit is used for converting a level signal of the control switch.
Optionally, the electric vehicle controller further comprises a motor detection module;
the motor detection module is electrically connected with the central processing unit and used for detecting the running state of the motor, and the central processing unit is used for sending a turn-off signal to the second control module when the running stopping time of the motor reaches a preset time.
Optionally, the electric vehicle controller further comprises a voltage detection module;
the input end of the voltage detection module is electrically connected with the electric door lock, the output end of the voltage detection module is electrically connected with the central processing unit, the voltage detection module is used for detecting the voltage information of the battery, and the central processing unit is used for sending a turn-off signal to the second control module when the voltage information is smaller than a preset voltage.
Optionally, the electric vehicle controller further comprises a power maintaining module;
the first end of the power supply holding module is electrically connected with the output end of the power supply switch module, and the second end of the power supply holding module is electrically connected with the control end of the power supply switch module.
Optionally, the level converting unit includes: at least one first diode, a first resistor, a second resistor, a first transistor and a third resistor;
the cathode of the first diode is electrically connected with the control switch, the anode of the first diode is electrically connected with the control end of the first transistor through the first resistor, the first end of the first transistor is electrically connected with the electric door lock, the second end of the first transistor is electrically connected with the first end of the second resistor, and the second end of the second resistor is electrically connected with the control end of the power switch module;
the control end of the first transistor is electrically connected with the first end of the first transistor through the third resistor.
Optionally, the first level control unit includes at least one fourth resistor and at least one second diode;
a first end of the fourth resistor is electrically connected with the control switch, a second end of the fourth resistor is electrically connected with an anode of a second diode, and a cathode of the second diode is electrically connected with a control end of the power switch module;
the second end of the second resistor is electrically connected with the control end of the power switch module through the second diode;
or, the first level control unit comprises at least one fourth resistor, a tenth resistor and a first capacitor;
a first end of the fourth resistor is electrically connected with the control switch, a second end of the fourth resistor is electrically connected with a first end of the first capacitor, and a second end of the first capacitor is electrically connected with a control end of the power switch module;
a first end of the tenth resistor is electrically connected with a first end of the first capacitor, and a second end of the tenth resistor is grounded;
and the second end of the second resistor is electrically connected with the control end of the power switch module through the first capacitor.
Optionally, the second control module comprises: a fifth resistor, a sixth resistor and a second transistor;
a first end of the fifth resistor is electrically connected with the central processing unit, a second end of the fifth resistor is electrically connected with a control end of the second transistor, a first end of the second transistor is grounded, and a second end of the second transistor is electrically connected with a control end of the power switch module;
the first end of the second transistor is electrically connected to the first end of the second transistor through the sixth resistor.
Optionally, the power switch module comprises: the first capacitor, the seventh resistor, the eighth resistor, the ninth resistor, the third transistor and the fourth transistor;
the first end of the first capacitor is a control end of the power switch module, the second end of the first capacitor is electrically connected with a control end of the third transistor, the first end of the third transistor is grounded, the second end of the third transistor is electrically connected with a control end of the fourth transistor through the seventh resistor, the first end of the fourth transistor is connected with the battery power supply end, and the second end of the fourth transistor is electrically connected with the power module;
the control end of the third transistor is electrically connected with the first end of the third transistor through the eighth resistor, and the control end of the fourth transistor is electrically connected with the first end of the fourth transistor through the ninth resistor.
In the present invention, an electric vehicle controller includes: the control switch of the electric vehicle is powered on when an electric door lock of the electric vehicle is opened, the control switch is in an off state, the first control module cannot control the power switch module to be closed, and the power module cannot be powered on; after the electric door lock is opened, if the control switch is not pressed down, the electric vehicle is not started even if the rotating handle is pressed down, and the function of preventing mistaken touch is achieved; when the control switch is pressed, namely the P gear or the brake switch is pressed, the electric vehicle releases the P gear state, the control switch is closed, the first control module can acquire a signal of the control switch, and the first control module can control the power switch module to be conducted, so that the power module is electrified and starts to work; when the central processing unit detects that the electric vehicle stops running, the central processing unit controls the electric vehicle to enter a P-gear state, the central processing unit sends a turn-off signal to the second control module, the second control module controls the power switch module to be turned off, so that the power module is not powered, the power module does not work, thereby realizing the condition that the electric door lock of the electric vehicle is opened, if the electric vehicle is in a braking state or a static state for a period of time, the power module of the controller stops working, and the power consumption of the electric vehicle is reduced. The invention solves the problem that the power module of the controller is always in a working state when the electric vehicle enters a braking state or a static state when the electric door lock is opened, thereby increasing the power consumption of the electric vehicle, and achieves the effect that the power module of the controller stops working if the electric vehicle is in the braking state under the condition that the electric door lock of the electric vehicle is opened, thereby reducing the power consumption of the electric vehicle. In addition, according to the electric vehicle controller provided by the invention, when the electric vehicle enters a braking state or a static state in an unlocking state of the electric door lock, the power switch module is in a closing state, a P gear is triggered or the brake switch is pinched down, the power module is electrified to enter a riding mode, a mistaken touch prevention effect is achieved, and the safety performance of the electric vehicle is improved.
Drawings
Fig. 1 is a schematic circuit diagram of an electric vehicle controller according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of another electric vehicle controller according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of another electric vehicle controller according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of another electric vehicle controller according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of another electric vehicle controller according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic circuit diagram of an electric vehicle controller according to an embodiment of the present invention, and referring to fig. 1, the electric vehicle controller includes: a first control module 110, a second control module 120, a central processor 130, a power switch module 140 and a power module 150; the input end of the first control module 110 is used for connecting the electric door lock 210 and the control switch 220, the output end of the first control module 110 is electrically connected with the control end of the power switch module 140, and the first control module 110 is used for controlling the power switch module 140 to be conducted when the electric door lock 210 and the control switch 220 are closed; the control switch 220 includes at least one of a P-range switch and a brake switch, wherein the P-range refers to a parking range of the electric vehicle; the input end of the second control module 120 is electrically connected to the central processing unit 130, the output end of the second control module 120 is electrically connected to the control end of the power switch module 140, and the second control module 120 is configured to control the power switch module 140 to be turned off when receiving a turn-off signal sent by the central processing unit 130; the first terminal of the power switch module 140 is electrically connected to the battery power supply terminal a1, the second terminal of the power switch module 140 is electrically connected to the power module 150, and the power switch module 140 is used to control whether the power module 150 operates.
Specifically, when the electric door lock 210 of the electric vehicle is closed, the control switch 220 of the electric vehicle is powered on, the control switch 220 includes at least one of a P-gear switch and a brake switch, for example, at this time, the control switch 220 is in an off state, the control switch 220 has no signal, the first control module 110 cannot acquire the signal of the control switch 220, the first control module 110 cannot control the power switch module 140 to be closed, and the power module 150 cannot be powered on; when the control switch 220 is pressed, that is, when the P gear or the brake switch is pressed, the electric vehicle releases the P gear, the control switch 220 is closed, the first control module 110 acquires a signal of the control switch 220, the first control module 110 controls the power switch module 140 to be turned on, so that the power module 150 is powered on, the power module 150 starts to work, and the power module 150 converts the battery voltage, for example, into a 12V dc power supply, a 5V dc voltage or a 3.3V dc voltage, so as to supply power to the electric equipment of the electric vehicle; when the central processing unit 130 detects that the time length of the electric vehicle stopping operation reaches the preset time length, the central processing unit 130 controls the electric vehicle to enter the P-gear state, meanwhile, the central processing unit 130 sends a turn-off signal to the second control module 120, the second control module 120 controls the power switch module 140 to be turned off, so that the power module 150 is not powered, the power module 150 does not work, thereby realizing the condition that the electric door lock 210 of the electric vehicle is opened, if the electric vehicle is in a braking state or a static state, the power module 150 of the controller stops working, thereby reducing the power consumption of the electric vehicle.
In addition, the control switch 220 obtains a power signal through the electric door lock 210, and when the electric door lock 210 of the electric vehicle is disconnected, the control switch 220 is not powered on, and the power switch module 140 cannot be controlled to be switched on.
It should be noted that, when the control switch 220 is pressed down and the control switch 220 is closed, the signal of the control switch 220 acquired by the first control module 110 may be a low-level signal or a high-level signal, and when the signal of the control switch 220 is acquired as a low level, the signal may be converted to output a high-level signal, so that whether the signal of the control switch 220 when closed is a high-level signal or a low-level signal, the power switch module 140 may be controlled to be turned on.
In addition, when the electric door lock is unlocked, if the control switch 220 is pressed to release the P range, the power module 150 starts to work, the central processing unit 130 is powered on, the central processing unit 130 sends a signal for releasing the P range to the meter module of the electric vehicle, and the meter module displays that the P range is released.
In the technical solution of this embodiment, the electric vehicle controller includes: the control switch of the electric vehicle is powered on when an electric door lock of the electric vehicle is opened, the control switch is in an off state, the first control module cannot control the power switch module to be closed, and the power module cannot be powered on; after the electric door lock is opened, if the control switch is not pressed down, the electric vehicle is not started even if the rotating handle is pressed down, and the function of preventing mistaken touch is achieved; when the control switch is pressed, namely the P gear or the brake switch is pressed, the electric vehicle releases the P gear state, the control switch is closed, the first control module can acquire a signal of the control switch, and the first control module can control the power switch module to be conducted, so that the power module is electrified and starts to work; when the central processing unit detects that the electric vehicle stops running, the central processing unit controls the electric vehicle to enter a P-gear state, the central processing unit sends a turn-off signal to the second control module, the second control module controls the power switch module to be turned off, so that the power module is not powered, the power module does not work, thereby realizing the condition that the electric door lock of the electric vehicle is opened, if the electric vehicle is in a braking state or a static state for a period of time, the power module of the controller stops working, and the power consumption of the electric vehicle is reduced. The technical scheme of this embodiment has solved the electric motor car and has got into brake state or quiescent condition under the electric door lock state of opening, and the power module of controller is in operating condition always, has increased the problem of electric motor car consumption, has reached under the condition that the electric door lock of electric motor car was opened, if the electric motor car is in brake state, the power module of controller will stop work to the effect of electric motor car consumption has been reduced.
In addition, according to the electric vehicle controller provided by the invention, when the electric vehicle enters a braking state or a static state in an unlocking state of the electric door lock, the power switch module is in a closing state, a P gear is triggered or the brake switch is pinched down, the power module is electrified to enter a riding mode, a mistaken touch prevention effect is achieved, and the safety performance of the electric vehicle is improved.
On the basis of the foregoing technical solution, fig. 2 is a schematic circuit structure diagram of another electric vehicle controller provided in an embodiment of the present invention, and optionally, referring to fig. 2, the first control module 110 includes: a first level control unit 111; the input end of the first level control unit 111 is connected to the control switch 220, the output end of the first level control unit 111 is electrically connected to the control end of the power switch module 140, and the first level control unit 111 controls the power switch module 140 to be turned on when the electric door lock 210 and the control switch are closed 220.
Specifically, when the control switch 220 is pressed down and the control switch 220 is closed, the signal of the control switch 220 acquired by the first control module 110 may be a low level signal or a high level signal, and when the signal when the control switch is closed is a high level signal, the first level control unit 111 acquires the high level signal of the control switch closure, and the first level control unit 111 controls the power switch module 140 to be turned on, so that the power module 150 is powered on, and the power module 150 starts to work.
Optionally, referring to fig. 2, the first control module 110 further includes: a level conversion unit 112; the level conversion unit 112 is connected to the electric door lock 210 and the control switch 220, an output end of the level conversion unit 112 is electrically connected to a control end of the power switch module 140 through the first level control unit 111, and the level conversion unit 112 is configured to convert a level signal of the control switch 220.
Specifically, when the signal when the control switch 220 is closed is a low level signal, the level conversion unit 112 obtains a closing signal of the electric door lock 210 and a low level signal when the control switch 220 is closed, and the level conversion unit 112 converts the low level signal into a high level signal, so that the power switch module 140 is controlled to be turned on, so that the power module 150 is powered on, and the power module 150 starts to operate.
Optionally, referring to fig. 2, the electric vehicle controller further includes a motor detection module 160; the motor detection module 160 is electrically connected to the central processing unit 130, the motor detection module 160 is configured to detect a motor operation state, and the central processing unit 130 is configured to send a shutdown signal to the second control module 120 when the motor stops operating for a preset time.
Specifically, the motor detection module 160 may detect the operation state of the motor of the electric vehicle, when the time for stopping the operation of the motor reaches the preset time, it indicates that the electric vehicle is in the non-riding state, the central processing unit 130 may control the electric vehicle to enter the P-gear state, meanwhile, the central processing unit 130 may transmit a turn-off signal to the second control module 120, the second control module 120 may control the power switch module 140 to be turned off, thereby making the power module 150 not powered, the power module 150 not work, thereby implementing that the electric door lock 210 of the electric vehicle is closed, if the electric vehicle is in the braking state or the stationary state, the power module 150 of the controller may stop working, thereby reducing the power consumption of the electric vehicle.
Optionally, referring to fig. 2, the electric vehicle controller further includes a voltage detection module 170; the input end of the voltage detection module 170 is electrically connected to the electric door lock 210, the output end of the voltage detection module 170 is electrically connected to the central processing unit 130, the voltage detection module 170 is used for detecting the voltage information of the battery, and the central processing unit 130 is used for sending a turn-off signal to the second control module 120 when the voltage information is smaller than a preset voltage.
Specifically, the voltage detection module 170 may detect the battery voltage of the electric vehicle in real time, when the voltage information of the battery is detected to be less than the preset voltage, it indicates that the battery voltage is too low, the battery is in an under-voltage state, the central processing unit 130 will send a turn-off signal to the second control module 120, and the second control module 120 will control the power switch module 140 to be turned off, so that the power module 150 is not powered, and the power module 150 does not work, thereby protecting the battery and avoiding the over-discharge of the battery.
Optionally, referring to fig. 2, the electric vehicle controller further includes a power maintaining module 180; the first end of the power keeping module 180 is electrically connected to the output end of the power switch module 140, and the second end of the power keeping module 180 is electrically connected to the control end of the power switch module 140.
Specifically, by providing the power keeping module 180, when the control switch 220 is pressed, the output end of the power switch module 140 outputs a voltage signal, and then the power keeping module 180 obtains the voltage signal and outputs the voltage signal to the control end of the power switch module 140, so that the power switch module 140 is always turned on, and the power module 150 is continuously powered on, thereby realizing the self-locking function.
Fig. 3 is a schematic circuit diagram of another electric vehicle controller according to an embodiment of the present invention, and optionally, referring to fig. 3, the level conversion unit 112 includes: at least one first diode D1, a first resistor R1, a second resistor R2, a first transistor Q1, and a third resistor R3; the cathode of the first diode D1 is electrically connected with the control switch, the anode of the first diode D1 is electrically connected with the control end of the first transistor Q1 through a first resistor R1, the first end of the first transistor Q1 is electrically connected with the electric door lock 210, the second end of the first transistor Q1 is electrically connected with the first end of the second resistor R2, and the second end of the second resistor R2 is electrically connected with the control end of the power switch module 140; a control terminal of the first transistor Q1 is electrically connected to a first terminal of the first transistor Q1 through a third resistor R3.
Illustratively, the first transistor Q1 is, for example, a P-type transistor, when the electric door lock 210 is closed and the control switch 220 is pressed, the control switch 220 is closed, when a signal when the control switch 220 is closed is a low level signal, the control terminal of the first transistor Q1 receives the low level signal, the first transistor Q1 is turned on, the electric door lock 210 is closed, the first terminal of the first transistor Q1 is a high level signal, the second terminal of the first transistor Q1 is a high level signal, the control terminal of the power switch module 140 receives the high level signal, the power switch module 140 is turned on, the power module 150 is powered, and the power module 150 starts to operate.
It should be noted that fig. 3 only shows the case where one first diode D1 is included, but the case is not limited thereto, and when the control switch 220 includes a P-range switch and a brake switch, two first diodes D1 may be provided.
Fig. 5 is a schematic circuit diagram of another electric vehicle controller according to an embodiment of the present invention, and optionally, referring to fig. 3 and 5, the first level control unit 111 includes at least one fourth resistor R4 and at least one second diode D2; a first end of the fourth resistor R4 is electrically connected to the control switch 220, a second end of the fourth resistor R4 is electrically connected to an anode of the second diode D2, and a cathode of the second diode D2 is electrically connected to the control end of the power switch module 140; a second end of the second resistor R2 is electrically connected to the control end of the power switch module 140 through a second diode D2; alternatively, the first level control unit 111 includes at least one fourth resistor R4, a tenth resistor R10, and a first capacitor C1; a first end of the fourth resistor R4 is electrically connected to the control switch 220, a second end of the fourth resistor R4 is electrically connected to a first end of the first capacitor C1, and a second end of the first capacitor C1 is electrically connected to a control end of the power switch module 140; a first end of the tenth resistor R10 is electrically connected to the first end of the first capacitor C1, and a second end of the tenth resistor R10 is grounded; a second end of the second resistor R2 is electrically connected to the control end of the power switch module 140 through a first capacitor C1.
Specifically, when the first level control unit 111 includes at least one fourth resistor R4 and at least one second diode D2, when the electric door lock 210 is closed and the control switch 220 is pressed, the control switch 220 is closed, and when a signal when the control switch 220 is closed is a high-level signal, the control terminal of the power switch module 140 obtains the high-level signal through the fourth resistor R4 and the second diode D2, the power switch module 140 is turned on, the power module 150 is powered on, and the power module 150 starts to operate.
Or, referring to fig. 5, when the electric door lock 210 is closed and the control switch 220 is pressed, the first end of the first capacitor C1 obtains a high level signal, the first capacitor C1 starts to charge, the charging current flows to the control end of the power switch module 140, the power switch module 140 is turned on, the power module 150 is powered, the power module 150 starts to operate, the first level control unit 111 does not have current because the current disappears after the first capacitor C1 is fully charged, and the power holding module 180 maintains the power module 150 to be turned on, when the first level control unit 111 includes at least one fourth resistor R4, a tenth resistor R10, and a first capacitor C1. When the time for stopping the operation of the electric vehicle motor reaches the preset time, the central processor 130 turns off the power switch module 140 through the second control module 120, even if the control switch 220 is always in the closed state, since the current disappears after the first capacitor C1 is fully charged, no current flows to the control end of the power switch module 140, so that the power switch module 140 is continuously turned off, the power module 150 stops working, and the electric vehicle controller enters the energy-saving mode; when the riding state needs to be entered, if the control switch 220 is still in the closed state, the power module 150 can enter the working state only by releasing the control switch 220 and then closing the control switch 220; the tenth resistor R10 functions to discharge the first capacitor C1 when the control switch 220 is released. It should be noted that fig. 3 only shows the case of including one fourth resistor R4 and one second diode D2, but the case of including the P-range switch and the brake switch in the control switch 220 is not limited, and two fourth resistors R4 and two second diodes D2 may be provided.
Optionally, referring to fig. 3, the second control module 120 includes: a fifth resistor R5, a sixth resistor R6, and a second transistor Q2; a first end of the fifth resistor R5 is electrically connected to the cpu 130, a second end of the fifth resistor R5 is electrically connected to the control terminal of the second transistor Q2, a first end of the second transistor Q2 is grounded, and a second end of the second transistor Q2 is electrically connected to the control terminal of the power switch module 140; a first terminal of the second transistor Q2 is electrically connected to a first terminal of the second transistor Q2 through a sixth resistor R6.
Illustratively, the second transistor Q2 is, for example, an N-type transistor, when the cpu 130 detects that the motor of the electric vehicle stops operating for a preset time, the cpu 130 sends a turn-off signal, such as a high level signal, to the first terminal of the fifth resistor R5, the control terminal of the second transistor Q2 receives a high signal, the second transistor Q2 is turned on, while the first terminal of the second transistor Q2 is grounded, the second terminal of the second transistor Q2 is low, the control terminal of the power switch module 140 receives the low level signal, the power switch module 140 is turned off, the power module 150 is not powered, and the power module 150 stops working, so that when the electric door lock 210 of the electric vehicle is closed, if the electric vehicle is in a braking state, the power module 150 of the controller stops working, thereby reducing power consumption of the electric vehicle.
Alternatively, referring to fig. 3, the power switch module 140 includes: a first capacitor C1, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a third transistor Q3 and a fourth transistor Q4; a first end of the first capacitor C1 is a control end of the power switch module 140, a second end of the first capacitor C1 is electrically connected to a control end of a third transistor Q3, a first end of the third transistor Q3 is grounded, a second end of the third transistor Q3 is electrically connected to a control end of a fourth transistor Q4 through a seventh resistor R7, a first end of the fourth transistor Q4 is connected to the battery power supply end a1, and a second end of the fourth transistor Q4 is electrically connected to the power module 150; a control terminal of the third transistor Q3 is electrically connected to the first terminal of the third transistor Q3 through an eighth resistor R8, and a control terminal of the fourth transistor Q4 is electrically connected to the first terminal of the fourth transistor Q4 through a ninth resistor R9.
Specifically, the third transistor Q3 is, for example, an N-type transistor, the fourth transistor Q4 is, for example, a P-type transistor, when the electric door lock 210 is closed and the control switch 220 is pressed, the control terminal of the third transistor Q3 receives the high level signal sent by the first control module 110, the third transistor Q3 is turned on, and the first terminal of the third transistor Q3 is grounded, so the second terminal of the third transistor Q3 is at a low level, the control terminal of the fourth transistor Q4 is at a low level, the fourth transistor Q4 is turned on, the first terminal of the fourth transistor Q4 is connected to the battery power supply terminal a1, the second terminal of the fourth transistor Q4 can obtain the battery voltage, the power module 150 can obtain the battery voltage, and the power module 150 starts to operate.
Fig. 4 is a schematic circuit diagram of another electric vehicle controller according to an embodiment of the present invention, and optionally, referring to fig. 4, the power holding module 180 includes a tenth resistor R10 and a third diode D3, a first end of the tenth resistor R10 is a first end of the power holding module 180, a second end of the tenth resistor R10 is electrically connected to an anode of the third diode D3, and a cathode of the third diode D3 is a second end of the power holding module 180. A second terminal of the second transistor Q2 is electrically connected to the control terminal of the power switch module 140 through a third diode D3.
Optionally, referring to fig. 4, the voltage detection module 170 includes an eleventh resistor R11, a twelfth resistor R12, and a second capacitor C2, a first end of the eleventh resistor R11 is an input end of the voltage detection module 170, a second end of the eleventh resistor R11 is electrically connected to a first end of the twelfth resistor R12, a second end of the twelfth resistor R12 is grounded, the second capacitor C2 is connected to the twelfth resistor R12 in parallel, and a first end of the twelfth resistor R12 is also an output end of the voltage detection module 170.
Alternatively, referring to fig. 4, the control switch 220 includes a P-shift switch 221 and a brake switch 222, the first level control unit 111 includes two first diodes D1, and the second level control unit 112 includes two fourth resistors R4 and two second diodes D2.
The embodiment also provides an electric vehicle, which comprises the electric vehicle controller in any technical scheme.
Specifically, the electric vehicle including the electric vehicle controller according to any of the above technical solutions may implement that when the electric door lock 210 of the electric vehicle is closed, if the control switch 220 is pressed, the control switch 220 is closed, and the power switch module 140 may be controlled to be turned on no matter a signal after the control switch 220 is closed is a low level signal or a high level signal. And when the electric door lock 210 is closed, if the motor of the electric vehicle stops running for a preset time, the P-gear state can be automatically entered, and the power module 150 of the controller stops working, thereby reducing the power consumption of the electric vehicle.
The electric vehicle provided by the embodiment includes the electric vehicle controller according to the above-mentioned embodiment, and the implementation principle and technical effect of the electric vehicle provided by the embodiment are similar to those of the above-mentioned embodiment, and are not described herein again.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An electric vehicle controller, comprising: the power supply comprises a first control module, a second control module, a central processing unit, a power supply switch module and a power supply module;
the input end of the first control module is connected with an electric door lock and a control switch, the output end of the first control module is electrically connected with the control end of the power switch module, and the first control module is used for controlling the power switch module to be conducted when the electric door lock and the control switch are closed; the control switch comprises at least one of a P-gear switch and a brake switch;
the input end of the second control module is electrically connected with the central processing unit, the output end of the second control module is electrically connected with the control end of the power switch module, and the second control module is used for controlling the power switch module to be turned off when receiving a turn-off signal sent by the central processing unit;
the first end of the power switch module is electrically connected with the power supply end of the battery, the second end of the power switch module is electrically connected with the power module, and the power switch module is used for controlling whether the power module works or not.
2. The electric vehicle controller of claim 1, wherein the first control module comprises: a first level control unit;
the input end of the first level control unit is connected with the control switch, the output end of the first level control unit is electrically connected with the control end of the power switch module, and the first level control unit is used for controlling the power switch module to be switched on when the electric door lock and the control switch are closed.
3. The electric vehicle controller of claim 2, wherein the first control module further comprises: a level conversion unit;
the level conversion unit is connected with the electric door lock and the control switch, the output end of the level conversion unit is electrically connected with the control end of the power switch module through the first level control unit, and the level conversion unit is used for converting a level signal of the control switch.
4. The electric vehicle controller of claim 1, further comprising a motor detection module;
the motor detection module is electrically connected with the central processing unit and used for detecting the running state of the motor, and the central processing unit is used for sending a turn-off signal to the second control module when the running stopping time of the motor reaches a preset time.
5. The electric vehicle controller according to claim 1, further comprising a voltage detection module;
the input end of the voltage detection module is electrically connected with the electric door lock, the output end of the voltage detection module is electrically connected with the central processing unit, the voltage detection module is used for detecting the voltage information of the battery, and the central processing unit is used for sending a turn-off signal to the second control module when the voltage information is smaller than a preset voltage.
6. The electric vehicle controller of claim 1, further comprising a power retention module;
the first end of the power supply holding module is electrically connected with the output end of the power supply switch module, and the second end of the power supply holding module is electrically connected with the control end of the power supply switch module.
7. The electric vehicle controller according to claim 3, wherein the level conversion unit includes: at least one first diode, a first resistor, a second resistor, a first transistor and a third resistor;
the cathode of the first diode is electrically connected with the control switch, the anode of the first diode is electrically connected with the control end of the first transistor through the first resistor, the first end of the first transistor is electrically connected with the electric door lock, the second end of the first transistor is electrically connected with the first end of the second resistor, and the second end of the second resistor is electrically connected with the control end of the power switch module;
the control end of the first transistor is electrically connected with the first end of the first transistor through the third resistor.
8. The electric vehicle controller according to claim 7, wherein the first level control unit includes at least one fourth resistor and at least one second diode;
a first end of the fourth resistor is electrically connected with the control switch, a second end of the fourth resistor is electrically connected with an anode of a second diode, and a cathode of the second diode is electrically connected with a control end of the power switch module;
the second end of the second resistor is electrically connected with the control end of the power switch module through the second diode;
or, the first level control unit comprises at least one fourth resistor, a tenth resistor and a first capacitor;
a first end of the fourth resistor is electrically connected with the control switch, a second end of the fourth resistor is electrically connected with a first end of the first capacitor, and a second end of the first capacitor is electrically connected with a control end of the power switch module;
a first end of the tenth resistor is electrically connected with a first end of the first capacitor, and a second end of the tenth resistor is grounded;
and the second end of the second resistor is electrically connected with the control end of the power switch module through the first capacitor.
9. The electric vehicle controller of claim 1, wherein the second control module comprises: a fifth resistor, a sixth resistor and a second transistor;
a first end of the fifth resistor is electrically connected with the central processing unit, a second end of the fifth resistor is electrically connected with a control end of the second transistor, a first end of the second transistor is grounded, and a second end of the second transistor is electrically connected with a control end of the power switch module;
the first end of the second transistor is electrically connected to the first end of the second transistor through the sixth resistor.
10. The electric vehicle controller of claim 1, wherein the power switch module comprises: the first capacitor, the seventh resistor, the eighth resistor, the ninth resistor, the third transistor and the fourth transistor;
the first end of the first capacitor is a control end of the power switch module, the second end of the first capacitor is electrically connected with a control end of the third transistor, the first end of the third transistor is grounded, the second end of the third transistor is electrically connected with a control end of the fourth transistor through the seventh resistor, the first end of the fourth transistor is connected with the battery power supply end, and the second end of the fourth transistor is electrically connected with the power module;
the control end of the third transistor is electrically connected with the first end of the third transistor through the eighth resistor, and the control end of the fourth transistor is electrically connected with the first end of the fourth transistor through the ninth resistor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111002177.1A CN113581339A (en) | 2021-08-30 | 2021-08-30 | Electric vehicle controller and electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111002177.1A CN113581339A (en) | 2021-08-30 | 2021-08-30 | Electric vehicle controller and electric vehicle |
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| CN113581339A true CN113581339A (en) | 2021-11-02 |
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| TW410204B (en) * | 1999-09-22 | 2000-11-01 | Kwang Yang Motor Co | Safely warning method when an electromotive is stationary and the device thereof |
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Application publication date: 20211102 |
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