CN111913468A - Novel intelligent starting controller device and starting control method - Google Patents
Novel intelligent starting controller device and starting control method Download PDFInfo
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- CN111913468A CN111913468A CN202010700568.XA CN202010700568A CN111913468A CN 111913468 A CN111913468 A CN 111913468A CN 202010700568 A CN202010700568 A CN 202010700568A CN 111913468 A CN111913468 A CN 111913468A
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- 239000003990 capacitor Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 4
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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Abstract
The invention discloses a novel intelligent starting controller device and a starting control method, wherein the device comprises a microprocessor unit, a CAN communication module, a digital quantity input module, an analog quantity input module, a low-side control module, a high-side control module and a power management module, wherein the microprocessor unit receives starting signals of the CAN communication module, the digital quantity input module and the analog quantity input module and controls an ON relay, an ACC relay and a STATE relay to act according to a power-ON and power-off control process to complete power-ON and power-off of a whole vehicle. The invention is compatible with a plurality of power-on modes (traditional key power-on, vehicle-mounted T-BOX, voice control and the like) and meets the starting requirements of different external devices; meanwhile, the requirements of long-distance and short-range starting of the vehicle are met, and the whole vehicle electrifying operation of the unmanned logistics vehicle can be realized.
Description
Technical Field
The invention relates to the technical field of intelligent vehicle starting control, in particular to a novel intelligent starting controller device and a starting control method.
Background
The transportation industry is facing new opportunities of leap-type development, and the continuous emergence of novel traditional vehicle types, new energy vehicles and unmanned vehicles puts more stringent requirements on the performance parameters and the safety of a whole vehicle starting system of the automobile industry.
The electronic ignition control of the whole traditional fuel vehicle is mainly to electrify the whole vehicle by detecting the electrifying enabling STATE of a key, so that the control of four gears of LOCK, ACC, ON and STATE is realized. The controller has single function on the new energy electric vehicle, is difficult to carry out remote control on an unmanned logistics vehicle in the future, and cannot realize the functions of remote starting and remote power-off by one key. Although the traditional/new energy automobile whole vehicle starting device is high in market application rate and high in reliability, the use value is low, and the starting requirement of a novel logistics vehicle cannot be met. The conventional logistics vehicle starting device is generally higher in cost, lower in operating efficiency, incapable of meeting starting requirements of starting under various requirements and different external devices and incapable of meeting power-on starting of traditional driving.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a novel intelligent starting controller device and a starting control method, is compatible with various power-on modes, meets the requirements of long-range and short-range starting of vehicles, and can realize the power-on operation of the whole unmanned logistics vehicle.
In order to achieve the purpose, the novel intelligent starting controller device is characterized by comprising a microprocessor unit, a CAN communication module, a digital quantity input module, an analog quantity input module, a low-side control module, a high-side control module and a power management module;
the microprocessor unit: the system comprises a power-on relay, a power-;
the CAN communication module: the CAN bus is used for transmitting control and fault diagnosis information received on the CAN bus;
the digital quantity input module is: the microprocessor unit is used for transmitting the acquired digital quantity signals to the microprocessor unit;
the analog quantity input module is used for: the analog quantity signal is used for transmitting the analog quantity signal collected by the sensor to the microprocessor unit;
the low-side control module: the control signal used for executing the microprocessor unit controls the low-side relay to complete the normal opening and closing of the peripheral equipment;
the high-side control module: and the control signal for executing the microprocessor unit controls the high-side relay to complete the normal opening and closing of the peripheral equipment.
The digital quantity input module consists of a resistor R1, a resistor R2, a resistor R3, a resistor R4 and a diode S1, wherein the input end of the digital quantity input module is connected with a switching quantity starting signal end, the output end of the digital quantity input module is connected with an ADC1 pin of the microprocessor unit, the diode S1 is used for diagnosing the current state of the switching quantity starting signal, and when the switching quantity starting signal is at a low level, the voltage is input to the ADC1 pin and is at a low level; when the switching value start signal is at a high level, the input to the pin of the ADC1 is at a high level.
The analog input module consists of a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R10, a zener diode Z1 and a comparator U4, wherein the zener diode Z1, the resistor R7 and the resistor R8 form a regulated voltage which is used for providing a signal trigger threshold reference voltage of the comparator U4; the hysteresis comparator is composed of a resistor R5, a resistor R6 and a comparator U4, and the output end of the resistor R10 is connected with an ADC1 pin of the microprocessor unit and used for detecting an analog quantity starting signal.
The power management module is composed of a resistor R6, a capacitor C1, a three-OR gate logic chip U1A and a power management chip U3, the OR gate logic chip U1A is connected with a resistor R1 end signal in the digital input module, a resistor R9 end signal in the analog input module and a control signal output by an OUT1 of the microprocessor unit, and an RC delay circuit composed of the resistor R6 and the capacitor C1 is used for delaying the signals to achieve the purpose of starting the power management chip.
The high-side control circuit is composed of a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a resistor R22, an NPN type triode Q1, an NPN type triode Q3, an NPN type triode Q5, a PNP type triode Q2, a PNP type triode Q4 and a PNP type triode Q6; one end of a resistor R13 is connected with an STSTSTTE pin in the microprocessor unit, the other end of the resistor R14 is connected with the base electrode of an NPN type triode terminal Q1, the collector electrode of the NPN type triode Q1 is connected with one end of a resistor R11, the emitter electrode of the NPN type triode Q1 is grounded, the other end of the resistor R11 is connected with the base electrode of the PNP type triode, the collector electrode of the PNP type triode Q2 is connected with a power supply voltage VBAT, and the emitter electrode of the PNP type triode is connected with the STATE relay.
The device also comprises a fault storage and system state information storage module: the method is used for storing the fault information of the whole vehicle, the fault information of the ignition controller and the fault information in the abnormal state.
The analog input module collects an analog starting signal from the voice control sensor.
The invention also provides a starting control method of the novel intelligent starting controller device, which is realized based ON the novel intelligent starting controller device and is used for controlling the ON relay, the ACC relay and the STATE relay to move according to the power-ON and power-off control flow by the microprocessor unit to complete the power-ON and power-off process of the whole vehicle.
Preferably, the power-on priority in the power-on and power-off control flow is that the digital quantity starting signal is higher than the analog quantity starting signal and is higher than the CAN control signal.
Preferably, the microprocessor unit in the power-ON and power-off control process sends starting signals to the STATE relay, the ACC relay and the ON relay in sequence, and delays the starting signals at intervals of 1-5 s in sequence.
The invention has the beneficial effects that: the invention provides a whole vehicle starting device and a starting control method under various environments, which are compatible with various power-on modes (traditional key power-on, vehicle-mounted T-BOX, voice control and the like) and meet the starting requirements of different external devices; meanwhile, the requirements of long-distance and short-range starting of the vehicle are met, and the whole vehicle electrifying operation of the unmanned logistics vehicle can be realized. Control strategies of a driving mode and a remote control mode are introduced, and the controller has the function of switching between the remote control mode and the driving mode under the control of the CAN. In addition, due to the consideration of driving safety, when the power-on modes conflict in different environments, the vehicle power-on mode can be automatically switched to the safest whole vehicle power-on mode. The intelligent whole vehicle starting device is compact in structure and complete in function, the research and development period can be shortened, and the research and development efficiency of products is improved.
Drawings
FIG. 1 is a block diagram of a novel intelligent start controller device according to the present invention;
FIG. 2 is a circuit diagram of the microprocessor unit, the CAN communication module, the digital input module, the analog input module and the power management module in FIG. 1;
FIG. 3 is a circuit diagram of the high side control module of FIG. 1;
FIG. 4 is a general flow chart of a start control method of the novel intelligent start controller device according to the present invention;
FIG. 5 is the power-up flow diagram of FIG. 4;
fig. 6 is a power-down flow chart of fig. 4.
Detailed Description
The present invention will be described in further detail below with reference to the drawings and specific examples, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1, the novel intelligent start controller device provided by the invention comprises: the intelligent control system comprises a microprocessor unit, a CAN communication module, a digital quantity input module, an analog quantity input module, a low-side control module, a high-side control module, a power management module and a fault storage and system state information storage module.
A microprocessor unit: the system comprises a power-on relay, a power-; a CAN communication module: the CAN bus is used for transmitting control and fault diagnosis information received on the CAN bus; digital quantity input module: the microprocessor unit is used for transmitting the acquired digital quantity signals to the microprocessor unit; analog quantity input module: the analog quantity signal is used for transmitting the analog quantity signal collected by the sensor to the microprocessor unit; a low-side control module: the control signal used for executing the microprocessor unit controls the low-side relay to complete the normal opening and closing of the peripheral equipment; the high-side control module: the control signal used for executing the microprocessor unit controls the high-side relay to finish the normal opening and closing of the peripheral equipment; the fault storage and system state information storage module: the fault information storage module is used for storing the fault information of the whole vehicle, the fault information of the ignition controller and the fault information in an abnormal state.
As shown in fig. 2, the digital input module is composed of a resistor R1, a resistor R2, a resistor R3, a resistor R4, and a diode S1, wherein an input end of the digital input module is connected to a switching value start signal end, an output end of the digital input module is connected to a pin of an ADC1 of the microprocessor unit, the diode S1 is used for diagnosing a current state of the switching value start signal, and when the switching value start signal is at a low level, the digital input signal is input to a pin of the ADC1 at a low level; when the switching value start signal is at a high level, the input to the pin of the ADC1 is at a high level.
As shown in fig. 2, the analog input module is composed of a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R10, a zener diode Z1, and a comparator U4, wherein the selected zener diode Z1 can stabilize the resistor at 2.5V. A voltage stabilizing diode Z1, a resistor R7 and a resistor R8 form a voltage stabilizing voltage which is used for providing a signal triggering threshold reference voltage of a comparator U4; the hysteresis comparator is composed of a resistor R5, a resistor R6 and a comparator U4, and triggers a high level when an input voltage reaches more than 3V from low to high, and triggers a low level when an input signal reaches less than 2V from high to ground, so that the phenomenon of system false triggering caused by signal interference is eliminated. The output end of the resistor R10 is connected with an ADC1 pin of the microprocessor unit and used for detecting an analog quantity starting signal.
As shown in fig. 2, the power management module U3 is composed of a resistor R6, a capacitor C1, a three-or gate logic chip U1A, and a power management chip U3, the or gate logic chip U1A is connected to a signal at a resistor R1 end of the digital input module, a signal at a resistor R9 end of the analog input module, and a control signal output by the OUT1 of the microprocessor unit, and the purpose of starting the power management chip is achieved by a RC delay circuit composed of a resistor R6 and a capacitor C1 to perform signal delay.
As shown in fig. 2, the CAN communication module is implemented by U5(TJA1043), when the CAN bus sends a dominant level to the CANH, the INH pin of U5 jumps in level, and enables the power management chip U3, the CANWU pin of U3 is enabled to be high, and in addition, the/STB of U5 and the EN pin are configured to wake up (configured to be low) through the MCU.
As shown in fig. 3, the high-side control circuit is composed of a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a resistor R22, an NPN transistor Q1, an NPN transistor Q3, an NPN transistor Q5, a PNP transistor Q2, a PNP transistor Q4, and a PNP transistor Q6; one end of a resistor R13 is connected with an STSTSTTE pin in the microprocessor unit, the other end of the resistor R14 is connected with the base electrode of an NPN type triode terminal Q1, the collector electrode of the NPN type triode Q1 is connected with one end of a resistor R11, the emitter electrode of the NPN type triode Q1 is grounded, the other end of the resistor R11 is connected with the base electrode of the PNP type triode, the collector electrode of the PNP type triode Q2 is connected with a power supply voltage VBAT, and the emitter electrode of the PNP type triode is connected with the STATE relay. The traditional whole vehicle starting circuit needs to realize high cost of a single machine through a high-side switch chip, and has high limitation on engineering application. The high-side control circuit has the characteristics of simple structure, low cost, mature technology and high reliability.
The invention also provides a starting control method of the novel intelligent starting controller device, which is used for controlling the action of the ON relay, the ACC relay and the STATE relay according to the power-ON and power-off control flow by the microprocessor unit to complete the power-ON and power-off process of the whole vehicle. As shown in fig. 4, the system start control flow is as follows: the starting control signal input link transmits analog quantity input signals, digital quantity input signals and CAN control signals to the microprocessor unit, and the microprocessor unit inputs the control signals to the high-low side driving module by detecting different starting modes and combining with a power-on and power-off control process to meet the requirements of closing and opening of the high-low side electric relay, so that the power-on and power-off functions of the whole vehicle are realized. The power-on priority in the power-on and power-off control process is that the digital quantity starting signal is higher than the analog quantity starting signal and is higher than the CAN control signal. And the microprocessor unit sends starting signals to the STATE relay, the ACC relay and the ON relay in sequence through the high-side control module and the low-side control module, and delays at intervals of 1-5 s in sequence. The microprocessor unit stores the fault and other safety information to the fault storage and system state information storage module by detecting abnormal starting state and high-low side drive diagnosis.
And the power-on control flow is shown as 5, after the power-on is started, the microprocessor unit receives a digital quantity starting signal and an analog quantity starting signal, carries out priority judgment, then judges whether CAN starting is carried out or not, if the CAN starting is carried out, the system is started, otherwise, the system is started after 2s delay, and if the starting fails, the starting fault is output and recorded in the fault storage and system state information storage module. And after the system is started, judging whether CAN communication is accepted, if so, controlling the ON relay, the ACC relay and the STATE relay through the CAN bus, otherwise, controlling the STATE relay, the ACC relay and the ON relay through a system time sequence, wherein the system time sequence is 4s after the STATE relay, the ACC relay and the ON relay are started.
The power-off process is as shown in fig. 6, after power-off begins, the microprocessor unit sends a digital power-off electric signal and an analog power-off electric signal, and the system confirms power-off by receiving a specific CAN message; and sending an electric signal under the analog quantity, delaying for 1s, and storing fault information to a fault storage and system state information storage module when detecting the power failure of the system. After the system confirms that the power is off, the ON relay, the ACC relay and the STATE relay are sequentially closed according to the time sequence, the OUT1 of the microprocessor unit outputs high level, and the power is off.
Details not described in this specification are within the skill of the art that are well known to those skilled in the art.
Finally, it should be noted that the above detailed description is only for illustrating the technical solution of the patent and not for limiting, although the patent is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the patent can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the patent, which should be covered by the claims of the patent.
Claims (10)
1. The utility model provides a novel intelligence start control ware device which characterized in that: the intelligent control system comprises a microprocessor unit, a CAN communication module, a digital quantity input module, an analog quantity input module, a low-side control module, a high-side control module and a power management module;
the microprocessor unit: the system comprises a power-on relay, a power-;
the CAN communication module: the CAN bus is used for transmitting control and fault diagnosis information received on the CAN bus;
the digital quantity input module is: the microprocessor unit is used for transmitting the acquired digital quantity signals to the microprocessor unit;
the analog quantity input module is used for: the analog quantity signal is used for transmitting the analog quantity signal collected by the sensor to the microprocessor unit;
the low-side control module: the control signal used for executing the microprocessor unit controls the low-side relay to complete the normal opening and closing of the peripheral equipment;
the high-side control module: and the control signal for executing the microprocessor unit controls the high-side relay to complete the normal opening and closing of the peripheral equipment.
2. The novel intelligent starting controller device as claimed in claim 1, wherein: the digital quantity input module consists of a resistor R1, a resistor R2, a resistor R3, a resistor R4 and a diode S1, wherein the input end of the digital quantity input module is connected with a switching quantity starting signal end, the output end of the digital quantity input module is connected with an ADC1 pin of the microprocessor unit, the diode S1 is used for diagnosing the current state of the switching quantity starting signal, and when the switching quantity starting signal is at a low level, the voltage is input to the ADC1 pin and is at a low level; when the switching value start signal is at a high level, the input to the pin of the ADC1 is at a high level.
3. The novel intelligent starting controller device as claimed in claim 2, wherein: the analog input module consists of a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R10, a zener diode Z1 and a comparator U4, wherein the zener diode Z1, the resistor R7 and the resistor R8 form a regulated voltage which is used for providing a signal trigger threshold reference voltage of the comparator U4; the hysteresis comparator is composed of a resistor R5, a resistor R6 and a comparator U4, and the output end of the resistor R10 is connected with an ADC1 pin of the microprocessor unit and used for detecting an analog quantity starting signal.
4. A novel intelligent starting controller device according to claim 3, wherein: the power management module is composed of a resistor R6, a capacitor C1, a three-OR gate logic chip U1A and a power management chip U3, the OR gate logic chip U1A is connected with a resistor R1 end signal in the digital input module, a resistor R9 end signal in the analog input module and a control signal output by an OUT1 of the microprocessor unit, and an RC delay circuit composed of the resistor R6 and the capacitor C1 is used for delaying the signals to achieve the purpose of starting the power management chip.
5. The novel intelligent starting controller device as claimed in claim 1, wherein: the high-side control circuit is composed of a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a resistor R22, an NPN type triode Q1, an NPN type triode Q3, an NPN type triode Q5, a PNP type triode Q2, a PNP type triode Q4 and a PNP type triode Q6; one end of a resistor R13 is connected with an STSTSTTE pin in the microprocessor unit, the other end of the resistor R14 is connected with the base electrode of an NPN type triode terminal Q1, the collector electrode of the NPN type triode Q1 is connected with one end of a resistor R11, the emitter electrode of the NPN type triode Q1 is grounded, the other end of the resistor R11 is connected with the base electrode of the PNP type triode, the collector electrode of the PNP type triode Q2 is connected with a power supply voltage VBAT, and the emitter electrode of the PNP type triode is connected with the STATE relay.
6. The novel intelligent starting controller device as claimed in claim 1, wherein: the system further comprises a fault storage and system state information storage module: the method is used for storing the fault information of the whole vehicle, the fault information of the ignition controller and the fault information in the abnormal state.
7. The novel intelligent starting controller device as claimed in claim 1, wherein: the analog input module collects an analog starting signal from the voice control sensor.
8. A start control method of a novel intelligent start controller device is characterized in that: the method is realized based ON the novel intelligent starting controller device of any one of claims 1-7, and is a process of controlling the ON relay, the ACC relay and the STATE relay to complete power-ON and power-off of the whole vehicle according to a power-ON and power-off control flow by the microprocessor unit.
9. The start control method of the novel intelligent start controller device according to claim 8, characterized in that: the power-on priority in the power-on and power-off control process is that the digital quantity starting signal is higher than the analog quantity starting signal and is higher than the CAN control signal.
10. The novel intelligent starting controller device as claimed in claim 9, wherein: and in the power-ON and power-off control process, the microprocessor unit sends starting signals to the STATE relay, the ACC relay and the ON relay in sequence, and delays at intervals of 1-5 s in sequence.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010700568.XA CN111913468B (en) | 2020-07-20 | 2020-07-20 | Intelligent starting controller device and starting control method |
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| CN202010700568.XA CN111913468B (en) | 2020-07-20 | 2020-07-20 | Intelligent starting controller device and starting control method |
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| CN112416006A (en) * | 2020-11-25 | 2021-02-26 | 东风汽车集团有限公司 | Driving mode switching method and system based on Sharing-X |
| CN116674483A (en) * | 2023-06-30 | 2023-09-01 | 东风电驱动系统有限公司 | Automobile delay power-off control system and control method |
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| US20170294973A1 (en) * | 2016-04-12 | 2017-10-12 | Ford Global Technologies, Llc | System and method for remote keyless system characterization |
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| CN111913468B (en) | 2023-10-24 |
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