CN107797468B - Programmable intelligent controller - Google Patents
Programmable intelligent controller Download PDFInfo
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- CN107797468B CN107797468B CN201711011272.1A CN201711011272A CN107797468B CN 107797468 B CN107797468 B CN 107797468B CN 201711011272 A CN201711011272 A CN 201711011272A CN 107797468 B CN107797468 B CN 107797468B
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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
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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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]
Abstract
A programmable intelligent controller is connected with a vehicle body control unit and an engine electric control unit through wires, and is connected with a PTO management unit, a RUN LOCK unit, a safety alarm unit, an additional light unit and an independent gateway unit through a standard interface group. The controller has an independent gateway function, can forward data on a power network and a vehicle body network to refitting equipment, and meets the requirement of information acquisition of the refitting equipment and the requirement of management data acquisition of a special vehicle fleet; meanwhile, according to the refitting requirement, the functional logic can be customized; and the target and logic of the PTO are adjusted, the PTO control function of the additional equipment is met, and the reliability and the integrity of the whole vehicle information transmission are ensured.
Description
Technical Field
The invention belongs to the technical field of mechanical control, and particularly relates to a programmable intelligent controller.
Background
With the rapid development of the automobile industry and the improvement of the demands of people, the brand new state-automobile refitting market closely related to the rapid development is also developed, and automobile refitting is not only aimed at racing automobiles and special vehicles, but also more common automobiles are entering the line. The method is a promising industry, and will occupy a certain market in the automobile industry in the future.
With the increasing complexity and integration degree of the types of the electrical equipment added to the refitted vehicles, the conflict between the electrical equipment and the whole vehicle architecture and the network is also increasingly prominent, and the whole vehicle factories and refitted enterprises are constantly dedicated to research and seek ways capable of effectively solving the conflict.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a programmable intelligent controller which is connected with a vehicle body control unit (BCM) and an engine Electronic Control Unit (ECU) through wires and is reserved with standard interfaces, so that the reliability and the integrity of the information transmission of the whole vehicle are ensured.
The aim of the invention is achieved by the following technical scheme: the programmable intelligent controller is connected with the vehicle body control unit and the engine electric control unit through wires and is connected with the PTO management unit, the RUN LOCK unit, the safety alarm unit and the additional light unit through a standard interface group;
the PTO unit is divided into two PTOs, one PTO1 is connected and fixed on a PTO1 switch on the instrument board, and the other PTO2 is connected with a PTO2 switch through a first standard interface;
the RUN LOCK relay of the RUN LOCK unit is respectively connected with the No. 20 pin of the first standard interface and the No. 5 pin of the second standard interface, and the No. 11 pin of the first standard interface is connected with the RUN LOCK switch of the RUN LOCK unit;
the alarm switch of the safety alarm unit is respectively connected with the No. 6 pin of the first standard interface and the No. 4 pin of the second standard interface, the No. 2 pin of the first standard interface is in communication connection with the No. 7 pin of the second standard interface, the right dipped headlight relay of the safety alarm unit is connected with the No. 1 pin of the second standard interface, and the left dipped headlight relay of the safety alarm unit is connected with the No. 2 pin of the second standard interface;
the right brake lamp of additional light unit connects the No. 1 pin of first standard interface, the No. 2 pin of first standard interface is connected to the right side position lamp, the No. 3 pin of first standard interface is connected to the left side position lamp, the No. 4 pin of first standard interface is connected to the left side position lamp, the No. 5 pin of first standard interface is connected to additional light 2, the No. 6 pin of first standard interface is connected to additional light 1, the No. 12 pin of first standard interface is connected to the projection lamp switching on and off, the No. 13 pin of first standard interface is connected to additional light switch 1, the No. 14 pin of first standard interface is connected to additional light switch 2, the No. 8 pin of second standard interface is connected to the side mark lamp, the No. 9 pin of second standard interface is connected to the projection lamp relay.
The technical scheme of the invention is as follows: the solenoid valve coil of the PTO2 is connected with the No. 5 pin of the first standard interface, the feedback signal end is connected with the No. 7 pin of the first standard interface, the pressure switch is connected with the No. 9 pin of the first standard interface, and the No. 16 interface of the first standard interface is connected with the PTO2 switch.
As a further improvement of the present invention, the first standard interface is an auxiliary harness interface 61071B, the second standard interface is an auxiliary harness interface 72075a, and the standard interfaces further include an interface 61071A, an interface 72075B, and an interface 72071.
As a further development of the invention, the controller also comprises an independent gateway unit, which uses CAN data interfaces, which comply with CAN2.0a and CAN2.0b.
As a further improvement of the invention, CAN-H and CAN-L in the CAN data interface are unshielded twisted pair wires, the terminal resistance of 120+/-12 ohms is arranged between the two wires, the twisting distance is 13-58 pieces/meter, the maximum resistivity of the two wires is measured to be 50 milliohms/meter at 20 ℃, and the maximum line delay time of the two wires is 5 nanoseconds.
The invention has the outstanding effects that:
1. the independent gateway function can forward the data on the power network and the vehicle body network to the refitting equipment, so that the requirement of the refitting equipment for collecting information and the requirement of special vehicle fleet management data collection are met; 2. programmable functions: the functional logic can be customized according to the refitting requirement; 3. power takeoff management function: the objective and logic of the PTO can be adjusted as needed to meet the PTO control function of the additional equipment.
Drawings
FIG. 1 is a circuit diagram of the present invention;
fig. 2 is a circuit diagram of a POT2 of the PTO management unit of the present invention;
FIG. 3 is a circuit diagram of a RUN LOCK cell of the present invention;
FIG. 4 is a circuit diagram of a safety alarm unit of the present invention;
fig. 5 is a circuit diagram of an additional light unit of the present invention.
Detailed Description
Example 1
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, a programmable intelligent controller of the invention is connected with a vehicle body control unit and an engine electric control unit through wires, and is connected with a PTO management unit, a RUN LOCK unit, a safety alarm unit and an additional light unit through a standard interface group;
the PTO unit is divided into two paths of PTOs as shown in FIG. 2, wherein PTO1 is used as standard configuration, one path of PTO1 is connected and fixed on a PTO1 switch on a meter board, at the moment, parameters of PTOs are set to be default values, the other path of PTO2 is connected with a PTO2 switch through a first standard interface, an electromagnetic valve coil of the PTO2 is connected with a No. 5 pin of the first standard interface, a feedback signal end is connected with a No. 7 pin of the first standard interface, a pressure switch is connected with a No. 9 pin of the first standard interface, and a No. 16 interface of the first standard interface is connected with a PTO2 switch;
the present embodiment sets the PTO parameters and programs the expansion module. The parameter PTO [ x ] _ SwActCfg (PTO active when x=1, 2) defines whether the engine is jointly controlled when PTO is active.
When the above parameter settings are activated, the engine control will last for a period of time (a few seconds) until the activation signal is no longer detected by the expansion module.
The parameter PTO [ x ] _ FbActCfg (PTO activated when x=1, 2) defines whether the combined engine has complete control over PTO, which function is only valid after the engine has sent a positive response to the expansion module.
As shown in FIG. 3, the RUN LOCK unit is provided with a RUN LOCK relay which is respectively connected with a No. 20 pin of the first standard interface and a No. 5 pin of the second standard interface, and a No. 11 pin of the first standard interface is connected with a RUN LOCK switch of the RUN LOCK unit;
when the Run lock unit function is activated, the ignition key is pulled off during the operation of the engine, and the vehicle can still keep the normal operation of the engine and continuously output power or torque to the outside. The realization of the function greatly increases the convenience and safety of the operation outside the vehicle. The vehicle must meet the following conditions:
1. the vehicle is in a stationary state (the vehicle speed is 0), and the engine runs at idle speed;
2. neutral gear and no clutch stepping;
3. the vehicle is in a parked state.
When the vehicle meets the conditions, the Run lock switch is turned on, the ignition switch key is pulled off, and the Run lock function can be activated at this time.
If the Run lock unit detects that a and the clutch are stepped down; b. the hand brake is released; c. under any condition that the vehicle speed is greater than 0km/h, the engine is shut down, and the Run lock function is disabled.
The safety alarm unit is shown in fig. 4, the alarm switch is respectively connected with a 6 pin of the first standard interface and a 4 pin of the second standard interface, a 2 pin of the first standard interface is in communication connection with a 7 pin of the second standard interface, the right dipped headlight relay of the safety alarm unit is connected with a 1 pin of the second standard interface, and the left dipped headlight relay of the safety alarm unit is connected with a 2 pin of the second standard interface;
when the vehicle is under attack, the engine will be turned off or limited to a certain rotational speed, at which time the dipped headlight will continue to flash. In this situation, the alarm switch is turned on and the vehicle will enter a safe mode. The expansion module performs different control strategies according to the state (stop or operation) of the vehicle:
1. when the vehicle is stopped
The engine is closed, and the alarm switch is in an OFF state
2 dipped headlight flicker (flicker frequency 1S)
2. When the vehicle is running
The vehicle speed is limited to 30km/h (default)
When the vehicle stops moving, the vehicle stationary management function will be activated
2 dipped headlight flicker (flicker frequency 1S)
The flicker of the light and the limitation of the vehicle speed can be configured:
1. arrangement of light
Can select only the dipped headlight to flash or the dipped headlight to flash at the same time
The frequency of flicker defaults to 1S, and is at its fastest possible to be configured to 0.5S
When the additional light and the alarm function are configured and the light is required to flash, the system can select the shortest time or the fastest frequency for parameter configuration.
2. Speed limiting
The speed limit value of the alarm function is set to 30km/h by default, which is adjustable (the upper limit of the speed limit value cannot be exceeded). When the additional light and the alarm function are configured, a limit value is set, and the system selects the minimum limit value for parameter configuration.
As shown in fig. 5, the right brake lamp of the additional light unit is connected with the pin 1 of the first standard interface, the right position lamp is connected with the pin 2 of the first standard interface, the left brake lamp is connected with the pin 3 of the first standard interface, the left position lamp is connected with the pin 4 of the first standard interface, the additional light 2 is connected with the pin 5 of the first standard interface, the additional light 1 is connected with the pin 6 of the first standard interface, the projection light is connected with the pin 12 of the first standard interface, the additional light switch 1 is connected with the pin 13 of the first standard interface, the additional light switch 2 is connected with the pin 14 of the first standard interface, the side mark lamp is connected with the pin 8 of the second standard interface, and the projection light relay is connected with the pin 9 of the second standard interface.
Additional light 1: the lamp can be used as a blue ambulance lamp and a police car lamp, the maximum electricity consumption is 3A, and the maximum power is 36W. The expansion module may set or modify the following parameters:
flicker frequency of the additional lamp 1
Flicker frequency of dipped headlight
Speed limit value when the additional lamp 1 is switched on
Speed limit when the additional lamp 1 is switched off
2. Additional light 2: the device can be used for emergency ambulance or police car lamps, the maximum electricity consumption is 1.5A, and the maximum power is 21W. The expansion module may set or modify the following parameters:
flicker frequency of the additional lamp 2
Flicker frequency of dipped headlight
Speed limit when the additional lamp 2 is switched on
Speed limit when the additional lamp 2 is switched off
3. Projection lamp: the maximum power consumption is 1A. The expansion module may set or modify the following parameters:
speed limit value when projection lamp is started
Speed limit when the projection lamp is off
4. Taillight: comprises a left/right indicator lamp (21W), a left/right brake lamp (21W) and a side marker lamp (5W), and the maximum power consumption is 7A. When the ignition switch is OFF, the tail lamp does not operate.
The first standard interface is an auxiliary harness interface 61071B, the second standard interface is an auxiliary harness interface 72075a, and the standard interfaces further include an interface 61071A, an interface 72075B, and a borrowing port 72071.
The controller also comprises an independent gateway unit, the independent gateway unit adopts a CAN data interface which accords with CAN2.0A and CAN2.0B and CAN process 11-bit and 29-bit IDs; four transmission rates of 50kbps, 100kbps, 125kbps, 250kbps are supported, with a default rate of 250kbps.
CAN-H and CAN-L in the CAN data interface are unshielded twisted pair, the terminal resistance of 120+/-12 ohms is arranged between the two wires, the twisting distance is 13-58 pieces/meter, the maximum resistivity of the two wires is measured to be 50 milliohms/meter at 20 ℃, and the maximum line delay time of the two wires is 5 nanoseconds.
The controller has: 1. the independent gateway function can forward the data on the power network and the vehicle body network to the refitting equipment, so that the requirement of the refitting equipment for collecting information and the requirement of special vehicle fleet management data collection are met; 2. programmable functions: by using specific programming equipment, the functional logic, such as the control of light of motor home and special vehicles, can be customized according to the refitting requirement; 3. power takeoff management function: with the special programming equipment, the target and logic of the PTO can be adjusted according to the requirement, so that the PTO control function of the additional equipment is met.
In addition to the embodiments described above, other embodiments of the invention are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the invention.
Claims (5)
1. The programmable intelligent controller is characterized in that the controller is connected with a vehicle body control unit and an engine electric control unit through wires and is connected with a PTO management unit, a RUNLOCK unit, a safety alarm unit and an additional light unit through a standard interface group;
the PTO management unit is divided into two PTOs, one PTO1 is connected and fixed on a PTO1 switch on the instrument board, and the other PTO2 is connected with a PTO2 switch through a first standard interface;
the RUNLOCK relay of the RUNLOCK unit is respectively connected with the No. 20 pin of the first standard interface and the No. 5 pin of the second standard interface, and the No. 11 pin of the first standard interface is connected with the RUNLOCK switch of the RUNLOCK unit;
the alarm switch of the safety alarm unit is respectively connected with a 6 pin of the first standard interface and a 4 pin of the second standard interface, a 2 pin of the first standard interface is in communication connection with a 7 pin of the second standard interface, the right dipped headlight relay of the safety alarm unit is connected with a 1 pin of the second standard interface, and the left dipped headlight relay of the safety alarm unit is connected with a 2 pin of the second standard interface;
the right brake lamp of the additional light unit is connected with the No. 1 pin of the first standard interface, the right position lamp is connected with the No. 2 pin of the first standard interface, the left position lamp is connected with the No. 3 pin of the first standard interface, the left position lamp is connected with the No. 4 pin of the first standard interface, the additional light 2 is connected with the No. 5 pin of the first standard interface, the additional light 1 is connected with the No. 6 pin of the first standard interface, the projection light switch is connected with the No. 12 pin of the first standard interface, the additional light switch 1 is connected with the No. 13 pin of the first standard interface, the additional light switch 2 is connected with the No. 14 pin of the first standard interface, the side sign lamp is connected with the No. 8 pin of the second standard interface, and the projection light relay is connected with the No. 9 pin of the second standard interface;
the first standard interface is an auxiliary harness interface 61071B, and the second standard interface is an auxiliary harness interface 72075a.
2. The programmable intelligent controller of claim 1, wherein the solenoid coil of the PTO2 is connected to pin 5 of the first standard interface, the feedback signal end is connected to pin 7 of the first standard interface, the pressure switch is connected to pin 9 of the first standard interface, and the 16 of the first standard interface is connected to the PTO2 switch.
3. A programmable intelligent controller according to claim 1 or 2, wherein the standard interfaces further comprise interface 61071A, interface 72075B and interface 72071.
4. A programmable intelligent controller according to claim 1, further comprising a stand-alone gateway unit, said stand-alone gateway unit employing a CAN data interface conforming to CAN2.0a interface and CAN2.0b.
5. The programmable intelligent controller according to claim 4, wherein CAN-H and CAN-L are unshielded twisted pair wires having a termination resistance of 120±12 ohms between them, a lay length of 13 to 58 wires/meter, a maximum resistivity of 50 milliohms/meter measured at 20 ℃, and a maximum wire delay time of 5 nanoseconds.
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| CN201711011272.1A CN107797468B (en) | 2017-10-26 | 2017-10-26 | Programmable intelligent controller |
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| CN201711011272.1A CN107797468B (en) | 2017-10-26 | 2017-10-26 | Programmable intelligent controller |
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| CN107797468A CN107797468A (en) | 2018-03-13 |
| CN107797468B true CN107797468B (en) | 2023-07-28 |
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| CN107797468A (en) | 2018-03-13 |
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