CN108279656B - Intelligent control device for vehicle driving - Google Patents
Intelligent control device for vehicle driving Download PDFInfo
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- CN108279656B CN108279656B CN201810257500.1A CN201810257500A CN108279656B CN 108279656 B CN108279656 B CN 108279656B CN 201810257500 A CN201810257500 A CN 201810257500A CN 108279656 B CN108279656 B CN 108279656B
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- 238000002955 isolation Methods 0.000 claims abstract description 97
- 238000001514 detection method Methods 0.000 claims abstract description 46
- 238000005070 sampling Methods 0.000 claims description 92
- 238000004891 communication Methods 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 238000012545 processing Methods 0.000 claims description 20
- 230000008859 change Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 15
- 239000003990 capacitor Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
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- 206010063385 Intellectualisation Diseases 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41845—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4189—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the transport system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2637—Vehicle, car, auto, wheelchair
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention provides an intelligent control device for vehicle driving, which solves the technical problems that the prior art cannot uniformly manage the driving control of the whole vehicle. The intelligent control device for driving the vehicle comprises a controller, wherein the controller is connected with a power supply module, the controller is connected with at least one detected device through an isolation level detection module, the controller is connected with at least one sensor through a sensor input acquisition module, and the controller is connected with a driving device of at least one external device through a driving control module. The advantages are that: the system can be conveniently and rapidly arranged in an automobile, is convenient for integrated and unified management of whole automobile drive control, and has the characteristics of good safety performance, high integration level, good function expansibility and the like.
Description
Technical Field
The invention belongs to the technical field of automobile control circuits, and particularly relates to an intelligent control device for driving a vehicle.
Background
In recent years, with the application of electronic technology, computer technology and information technology, automobile electronic control technology has been rapidly developed, and in particular, the automobile electronic control technology has a great breakthrough in aspects of control precision, control range, intellectualization, networking and the like. Automotive electronic control technology has become an important indicator for measuring the state of development of modern automobiles. However, the existing automobile electronic control technology cannot uniformly manage the whole automobile driving control.
The electronic control system of the automobile basically consists of a sensor, an Electronic Controller (ECU), a driver, control program software and the like, is used together with mechanical systems on the automobile (usually fused with subsystems in a power system, a chassis system and a body system), and mutually transmits information by utilizing cables or radio waves, such as an electronic fuel injection system, a braking anti-lock control system, an anti-skid control system, an electronic control suspension system, an electronic control automatic transmission, an electronic power steering and the like. Automotive electronic control systems can be largely divided into four parts: an engine electronic control system, a chassis integrated control system, a vehicle body electronic safety system and an information communication system.
Although the above solution solves the problems existing in the prior art to a certain extent, the solution still exists: and the unified management of the whole vehicle driving control cannot be realized.
Disclosure of Invention
The invention aims to solve the problems and provide the intelligent vehicle driving control device which is reasonable in design and simple in structure and can uniformly manage the driving control of the whole vehicle.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the intelligent control device for driving the vehicle comprises a controller, wherein the controller is connected with a power supply module, the controller is connected with at least one detected device through an isolation level detection module, the controller is connected with at least one sensor through a sensor input acquisition module, and the controller is connected with a driving device of at least one external device through a driving control module.
In the intelligent control device for driving the vehicle, the isolation level detection module comprises a reverse isolation circuit, the input end of the reverse isolation circuit is connected with the detected equipment, the output end of the reverse isolation circuit is connected with the input end of the logic processing circuit through the front and rear stage isolation circuits, and the output end of the logic processing circuit is connected with the controller.
In the intelligent vehicle driving control device, the driving control module comprises a control isolation circuit, the input end of the control isolation circuit is connected with the controller, and the output end of the control isolation circuit is connected with the driving device of the external device through the device driving circuit.
In the intelligent control device for driving the vehicle, the sensor input acquisition module comprises an analog front-end circuit, the input end of the analog front-end circuit is connected with the sensor, the output end of the analog front-end circuit is connected with the input end of the overvoltage protection circuit, the output end of the overvoltage protection circuit is connected with the input end of the operational amplifier following circuit, and the output end of the operational amplifier following circuit is connected with the controller.
In the intelligent control device for driving the vehicle, the controller is in CAN communication with external equipment through a CAN isolation communication module; the CAN isolation communication module comprises a communication isolation circuit, wherein two ends of the communication isolation circuit are respectively connected with the controller and the communication receiving and transmitting circuit, and the communication receiving and transmitting circuit is connected with external equipment.
In the intelligent control device for driving the vehicle, the power supply module comprises a power supply, and the power supply is connected with the controller through the power supply processing module; the power supply is connected with the controller through the linear analog front end sampling module.
In the intelligent control device for driving the vehicle, the linear analog front end sampling module comprises an analog sampling circuit, the input end of the analog sampling circuit is connected with the power supply, the output end of the analog sampling circuit is connected with the input end of the sampling amplifying circuit, the output end of the sampling amplifying circuit is connected with the input end of the sampling isolation circuit, the output end of the sampling isolation circuit is connected with the input end of the sampling following circuit, and the output end of the sampling following circuit is connected with the controller.
In the intelligent control device for driving the vehicle, the power supply processing module comprises a direct-current buck conversion module, the input end of the direct-current buck conversion module is connected with a power supply, and the output end of the direct-current buck conversion module is connected with the power supply end of the controller through a linear buck module.
In the intelligent control device for driving the vehicle, the output end of the direct-current buck conversion module is further connected with the power input end of the external power supply switch module, the control end of the external power supply switch module is connected with the controller through the control circuit, and the power output end of the external power supply switch module is connected with the power end of the external device.
In the vehicle driving intelligent control device, an EMC filter circuit is arranged between the power supply and the direct-current buck conversion module.
Compared with the prior art, the vehicle driving intelligent control device has the advantages that:
1. the system can be conveniently and quickly arranged in an automobile, is convenient for integrated and unified management of whole automobile drive control, and has the characteristics of good safety performance, high integration level, good function expansibility and the like;
2. the power supply module has stable output voltage value, small power supply ripple, strong load capacity, complete protection mechanism, EMC compatibility, stable performance and complete ESD protection;
3. the front and rear stages of the isolation level detection module adopt a complete isolation design, and the external circuit and the internal circuit are not mutually influenced; the diode reverse isolation design allows a wide range of access levels; the detection precision is high, only the high or low state distinction exists in the level, and the controller is convenient to read; the hardware design is flexible, and the high-low level average can be judged; the detection path number is flexible in design and good in expandability;
4. the sensor input acquisition module is flexible in detection path number design and good in expandability; the operational amplifier follower circuit is in linear matching and has good following performance;
5. the driving control module is easy to realize for external equipment with different power; the number of control loops is flexible to design; the external equipment and the intelligent control device driven by the vehicle are not interfered with each other by adopting an isolation mode;
6. the CAN isolation communication module has strong anti-interference performance, stable communication and strong compatibility and universality;
7. the linear analog front end sampling module mainly completes the acquisition of the voltage analog quantity of the power supply, has good input and output linearity, adopts an isolation design at the front stage and the rear stage, has no mutual influence on high voltage and low voltage, and has high total voltage sampling precision;
8. the external power supply switch module has good linearity, and the input voltage is approximately equal to the output voltage.
Drawings
Fig. 1 provides a system block diagram of the present invention.
Fig. 2 provides a circuit diagram of the power module of the present invention.
Fig. 3 provides a circuit diagram of the isolated level detection module of the present invention.
Fig. 4 provides a circuit diagram of the sensor input acquisition module of the present invention.
Fig. 5 provides a circuit diagram of the drive control module of the present invention.
Fig. 6 provides a circuit diagram of the CAN isolated communication module of the present invention.
Fig. 7 provides a circuit diagram of the linear analog front end sampling module of the present invention.
Fig. 8 provides a circuit diagram of an external power switch module of the present invention.
In the figure, a controller 1, a power supply module 2, a power supply 21, a dc buck conversion module 22, a linear buck module 23, an EMC filter circuit 24, a power supply processing module 25, an isolation level detection module 3, a detected device 31, a reverse isolation circuit 32, a front-rear stage isolation circuit 33, a logic processing circuit 34, a sensor input acquisition module 4, a sensor 41, an analog front-end circuit 42, an overvoltage protection circuit 43, an operational amplifier follower circuit 44, a drive control module 5, an external device 51, a control isolation circuit 52, a device drive circuit 53, a CAN isolation communication module 6, a communication isolation circuit 61, a communication transceiver circuit 62, a linear analog front-end sampling module 7, an analog sampling circuit 71, a sampling amplifier circuit 72, a sampling isolation circuit 73, a sampling follower circuit 74, an external power supply switch module 8, and a control circuit 81.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more apparent, the present invention is further described below with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the described embodiments, but includes all modifications, variations and equivalents falling within the scope of the appended claims.
As shown in fig. 1, the driving intelligent control device for the vehicle comprises a controller 1, wherein the controller 1 is connected with a power supply module 2, the controller 1 is connected with at least one detected device 31 through an isolation level detection module 3, the controller 1 is connected with at least one sensor 41 through a sensor input acquisition module 4, and the controller 1 is connected with a driving device of at least one external device 51 through a driving control module 5. The intelligent control device for vehicle driving can be conveniently and rapidly arranged in an automobile, is convenient for integrated and unified management of whole automobile driving control, and has the characteristics of good safety performance, high integration level, good function expansibility and the like.
As shown in fig. 1 and 3, the isolation level detection module 3 includes a reverse isolation circuit 32, an input end of the reverse isolation circuit 32 is connected to the detected device 31, an output end of the reverse isolation circuit 32 is connected to an input end of a logic processing circuit 34 through a front-rear stage isolation circuit 33, and an output end of the logic processing circuit 34 is connected to the controller 1. The isolation level detection module 3 triggers the change of the level through the external device 51, processes the level through the reverse isolation circuit 32 and the front and rear isolation circuits 33 and then the logic processing circuit 34, and outputs the stable level change amount to the controller 1 for judgment. The front and rear stages of the isolation level detection module 3 adopt a complete isolation design, and the external circuit and the internal circuit are not mutually influenced; the diode reverse isolation design allows a wide range of access levels; the detection precision is high, only the high or low state distinction exists in the level, and the controller 1 is convenient to read; the hardware design is flexible, and the high-low level average can be judged; the detection path number is flexible in design and good in expandability.
The specific circuit configuration of the isolation level detection module 3 is described in detail below: the reverse isolation circuit 32 includes a level detection first diode, the negative electrode of which is connected to the detected device 31, and the positive electrode of which is connected to the front-rear stage isolation circuit 33; the front-back stage isolation circuit 33 comprises a level detection optocoupler isolation circuit, wherein the positive electrode and the negative electrode of a light emitting diode of the level detection optocoupler isolation circuit are respectively connected with the positive electrode of a first level detection diode and the output end of a direct current buck conversion module 22, a first level detection resistor is connected in parallel between the positive electrode and the negative electrode of the light emitting diode of the level detection optocoupler isolation circuit, a second level detection resistor is arranged between the positive electrode of the light emitting diode of the level detection optocoupler isolation circuit and the output end of the direct current buck conversion module 22, the collector electrode of a phototriode of the level detection optocoupler isolation circuit is connected with the output end of a linear buck module 23, and the collector electrode and the emitter electrode of the phototriode of the level detection optocoupler isolation circuit are connected with the logic processing circuit 34; the logic processing circuit 34 includes a level detection third resistor and a level detection first capacitor connected in parallel, one end of the level detection third resistor and one end of the level detection first capacitor are connected with an emitter of a phototriode of the level detection optocoupler isolation circuit, the other end of the level detection first capacitor is connected with a base of the level detection triode, the emitter of the level detection triode is connected with a grounding end, a level detection fourth resistor is connected between the base and the emitter of the level detection triode, a collector of the phototriode of the level detection optocoupler isolation circuit is connected with a collector of the level detection triode through a level detection fifth resistor, and the collector of the level detection triode is connected with an interface of the controller 1 through a level detection sixth resistor.
As shown in fig. 1 and 5, the drive control module 5 includes a control isolation circuit 52, an input terminal of the control isolation circuit 52 is connected to the controller 1, and an output terminal of the control isolation circuit 52 is connected to a driving device of the external device 51 through a device driving circuit 53. The drive control module 5 outputs drive control to the external device 51, and flexible turn-off and digital quantity output can be realized. The drive control module 5 is easy to realize for external devices 51 with different powers; the number of control loops is flexible to design; by adopting an isolation mode, the external equipment 51 and the driving intelligent control device of the vehicle are not interfered with each other.
The specific circuit configuration of the drive control module 5 is described in detail below: the control isolation circuit 52 comprises a drive control optocoupler isolation circuit, wherein the positive electrode and the negative electrode of a light emitting diode of the drive control optocoupler isolation circuit are respectively connected with the output end of the linear buck module 23 and the interface of the controller 1, a drive control fourth resistor is connected in parallel between the positive electrode and the negative electrode of the light emitting diode of the drive control optocoupler isolation circuit, a drive control fifth resistor is arranged between the positive electrode of the light emitting diode of the drive control optocoupler isolation circuit and the output end of the linear buck module 23, the collector electrode of a photosensitive transistor of the drive control optocoupler isolation circuit is connected with the output end of the direct current buck conversion module 22, and the emitter electrode of the photosensitive transistor of the drive control optocoupler isolation circuit is connected with the device drive circuit 53; the device driving circuit 53 includes a driving control first resistor and a driving control first capacitor connected in parallel, one end of the driving control first resistor and one end of the driving control first capacitor are connected with an emitter of a photosensitive transistor of the driving control optocoupler isolation circuit, the other end of the driving control first resistor and one end of the driving control first capacitor are connected with a base of the driving control triode, the emitter of the driving control triode is connected with a grounding end, a driving control second resistor is connected between the base of the driving control triode and the emitter, three paths are connected in parallel between a collector of the driving control triode and an output end of the direct current buck conversion module 22, the first path is an input loop of the driving control relay, an output loop of the driving control relay is connected with the external device 51, the second path is the driving control first diode, and the third path is the driving control first light emitting diode and the driving control third resistor connected in series.
As shown in fig. 1 and 4, the sensor input acquisition module 4 includes an analog front-end circuit 42, an input end of the analog front-end circuit 42 is connected to the sensor 41, an output end of the analog front-end circuit 42 is connected to an input end of an overvoltage protection circuit 43, an output end of the overvoltage protection circuit 43 is connected to an input end of an operational amplifier follower circuit 44, and an output end of the operational amplifier follower circuit 44 is connected to the controller 1. The sensor input acquisition module 4 has flexible design of detection path number and good expandability; the operational amplifier follower circuit 44 is linearly matched and has good follower performance.
As shown in fig. 1 and 6, the controller 1CAN communicates with the external device 51 through the CAN isolated communication module 6; the CAN isolated communication module 6 includes a communication isolation circuit 61, both ends of the communication isolation circuit 61 are respectively connected to the controller 1 and a communication transceiver circuit 62, and the communication transceiver circuit 62 is connected to the external device 51. The CAN isolation communication module 6 has strong anti-interference performance, stable communication, and strong compatibility and universality.
As shown in fig. 1 and 2, the power supply module 2 includes a power supply 21, the power supply 21 is preferably a direct current 12V battery, and the power supply 21 is connected to the controller 1 through a power supply processing module; the power supply processing module comprises a direct-current buck conversion module 22, the input end of the direct-current buck conversion module 22 is connected with the power supply 21, the output end of the direct-current buck conversion module 22 is connected with the power supply end of the controller 1 through a linear buck module 23, and the output end of the linear buck module 23 preferably outputs direct-current 3.3V voltage; an EMC filter circuit 24 is arranged between the power supply 21 and the dc-buck conversion module 22. The power supply module 2 has stable output voltage value, small power supply ripple, strong load capacity, complete protection mechanism, EMC compatibility, stable performance and complete ESD protection.
As shown in fig. 1 and 7, the power supply 21 is connected to the controller 1 through the linear analog front end sampling module 7, the linear analog front end sampling module 7 includes an analog sampling circuit 71, an input end of the analog sampling circuit 71 is connected to the power supply 21, an output end of the analog sampling circuit 71 is connected to an input end of the sampling amplifying circuit 72, an output end of the sampling amplifying circuit 72 is connected to an input end of the sampling isolation circuit 73, an output end of the sampling isolation circuit 73 is connected to an input end of the sampling follower circuit 74, and an output end of the sampling follower circuit 74 is connected to the controller 1. The linear analog front end sampling module 7 mainly completes voltage analog acquisition of the power supply 21, has good input and output linearity, adopts isolation design at the front stage and the rear stage, has no mutual influence on high voltage and low voltage, and has high total voltage sampling precision.
The specific circuit structure of the linear analog front end sampling module 7 is described in detail below: the analog sampling circuit 71 includes an analog sampling first resistor and an analog sampling first capacitor connected in parallel with each other, one end of the analog sampling first resistor and one end of the analog sampling first capacitor are connected to a ground terminal, the other end is connected to the power supply 21 through an analog sampling second resistor, and the end is connected to the sampling amplifying circuit 72; the sampling amplifying circuit 72 includes an analog sampling first operational amplifier, wherein a reverse input end of the analog sampling first operational amplifier is connected with a ground end, a forward input end of the analog sampling first operational amplifier is connected with the analog sampling circuit 71 through an analog sampling third resistor, an analog sampling second capacitor is connected between the forward input end and the output end of the analog sampling first operational amplifier, and the forward input end and the output end of the analog sampling first operational amplifier are both connected with the sampling isolation circuit 73; the sampling isolation circuit 73 comprises an analog sampling light emitting diode, the positive electrode of the analog sampling light emitting diode is connected with the output end of the direct current buck conversion module 22, the negative electrode of the analog sampling light emitting diode is connected with the output end of the analog sampling first operational amplifier through an analog sampling fourth resistor, the sampling isolation circuit 73 further comprises an analog sampling first photosensitive diode, the positive electrode of the analog sampling first photosensitive diode is connected with the grounding end, the negative electrode of the analog sampling first photosensitive diode is connected with the positive input end of the analog sampling first operational amplifier, the sampling isolation circuit 73 further comprises an analog sampling second photosensitive diode, the positive electrode of the analog sampling second photosensitive diode is connected with the grounding end, and the negative electrode of the analog sampling second photosensitive diode is connected with the sampling follower circuit 74; the sampling follower circuit 74 includes an analog sampling second operational amplifier, the reverse input end of the analog sampling second operational amplifier is connected to the ground, the forward input end of the analog sampling second operational amplifier is connected to the negative electrode of the analog sampling second photodiode, and an analog sampling fifth resistor and an analog sampling third capacitor which are parallel to each other are connected between the forward input end and the output end of the analog sampling second operational amplifier, and the output end of the analog sampling second operational amplifier is connected to the interface of the controller 1 through an analog sampling sixth resistor.
As shown in fig. 1 and 8, the output end of the dc buck conversion module 22 preferably outputs a dc 5V voltage, the output end of the dc buck conversion module 22 is further connected to the power input end of the external power supply switch module 8, the control end of the external power supply switch module 8 is connected to the controller 1 through the control circuit 81, and the power output end of the external power supply switch module 8 is connected to the power end of the external device 51. The external power supply switch module 8 completes power supply to the external equipment 51 and is controlled by the controller 1, and the controller 1can intelligently control power supply output according to the use condition of the external equipment 51. The external power supply switch module 8 has good linearity, and the input voltage is approximately equal to the output voltage.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as the controller 1, the power supply module 2, the power supply 21, the dc buck conversion module 22, the linear buck module 23, the EMC filter circuit 24, the power supply processing module 25, the isolation level detection module 3, the detected device 31, the reverse isolation circuit 32, the front-rear stage isolation circuit 33, the logic processing circuit 34, the sensor input acquisition module 4, the sensor 41, the analog front-end circuit 42, the overvoltage protection circuit 43, the op-amp follower circuit 44, the drive control module 5, the external device 51, the control isolation circuit 52, the device drive circuit 53, the CAN isolation communication module 6, the communication isolation circuit 61, the communication transceiver circuit 62, the linear analog front-end sampling module 7, the analog sampling circuit 71, the sampling amplification circuit 72, the sampling isolation circuit 73, the sampling follower circuit 74, the external power supply switch module 8, the control circuit 81 are used more herein, other terms are not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (9)
1. The intelligent vehicle driving control device comprises a controller (1), wherein the controller (1) is connected with a power supply module (2), and is characterized in that the controller (1) is connected with at least one detected device (31) through an isolation level detection module (3), the controller (1) is connected with at least one sensor (41) through a sensor input acquisition module (4), and the controller (1) is connected with a driving device of at least one external device (51) through a driving control module (5); the isolation level detection module (3) comprises a reverse isolation circuit (32), wherein the input end of the reverse isolation circuit (32) is connected with a detected device (31), the output end of the reverse isolation circuit (32) is connected with the input end of a logic processing circuit (34) through a front-back stage isolation circuit (33), and the output end of the logic processing circuit (34) is connected with the controller (1); the isolation level detection module (3) triggers the change of the level through an external device (51), processes the level through a reverse isolation circuit (32) and a front-stage and rear-stage isolation circuit (33) and a logic processing circuit (34), and outputs stable level change to the controller (1) for judgment.
2. The intelligent vehicle driving control device according to claim 1, wherein the driving control module (5) comprises a control isolation circuit (52), an input end of the control isolation circuit (52) is connected with the controller (1), and an output end of the control isolation circuit (52) is connected with a driving device of an external device (51) through a device driving circuit (53).
3. The intelligent control device for driving the vehicle according to claim 2, wherein the sensor input acquisition module (4) comprises an analog front-end circuit (42), the input end of the analog front-end circuit (42) is connected with the sensor (41), the output end of the analog front-end circuit (42) is connected with the input end of an overvoltage protection circuit (43), the output end of the overvoltage protection circuit (43) is connected with the input end of an operational amplifier following circuit (44), and the output end of the operational amplifier following circuit (44) is connected with the controller (1).
4. The intelligent control device for vehicle driving according to claim 2, wherein the controller (1) is in CAN communication with the external device (51) through the CAN isolated communication module (6); the CAN isolation communication module (6) comprises a communication isolation circuit (61), two ends of the communication isolation circuit (61) are respectively connected with the controller (1) and the communication receiving and transmitting circuit (62), and the communication receiving and transmitting circuit (62) is connected with the external equipment (51).
5. The intelligent control device for driving a vehicle according to claim 1 or 2 or 3 or 4, wherein the power supply module (2) comprises a power supply source (21), and the power supply source (21) is connected with the controller (1) through a power supply processing module; the power supply (21) is connected with the controller (1) through the linear analog front end sampling module (7).
6. The intelligent control device for driving a vehicle according to claim 5, wherein the linear analog front end sampling module (7) comprises an analog sampling circuit (71), an input end of the analog sampling circuit (71) is connected with the power supply (21), an output end of the analog sampling circuit (71) is connected with an input end of the sampling amplifying circuit (72), an output end of the sampling amplifying circuit (72) is connected with an input end of the sampling isolating circuit (73), an output end of the sampling isolating circuit (73) is connected with an input end of the sampling following circuit (74), and an output end of the sampling following circuit (74) is connected with the controller (1).
7. The intelligent vehicle driving control device according to claim 5, wherein the power supply processing module comprises a direct current buck conversion module (22), an input end of the direct current buck conversion module (22) is connected with a power supply (21), and an output end of the direct current buck conversion module (22) is connected with a power supply end of the controller (1) through a linear buck module (23).
8. The intelligent control device for driving the vehicle according to claim 7, wherein the output end of the direct current buck conversion module (22) is further connected with the power input end of the external power supply switch module (8), the control end of the external power supply switch module (8) is connected with the controller (1) through the control circuit (81), and the power output end of the external power supply switch module (8) is connected with the power end of the external equipment (51).
9. The vehicle-driving intelligent control device according to claim 7, characterized in that an EMC filter circuit (24) is provided between the power supply source (21) and the direct-current buck conversion module (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810257500.1A CN108279656B (en) | 2018-03-27 | 2018-03-27 | Intelligent control device for vehicle driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810257500.1A CN108279656B (en) | 2018-03-27 | 2018-03-27 | Intelligent control device for vehicle driving |
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| CN108279656A CN108279656A (en) | 2018-07-13 |
| CN108279656B true CN108279656B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810257500.1A Active CN108279656B (en) | 2018-03-27 | 2018-03-27 | Intelligent control device for vehicle driving |
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