CN209103150U - A kind of control system of electric automobile - Google Patents
A kind of control system of electric automobile Download PDFInfo
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- CN209103150U CN209103150U CN201822173357.6U CN201822173357U CN209103150U CN 209103150 U CN209103150 U CN 209103150U CN 201822173357 U CN201822173357 U CN 201822173357U CN 209103150 U CN209103150 U CN 209103150U
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Abstract
The utility model discloses a kind of control system of electric automobile, including main control unit, from control unit, it the main control unit and is connected between control unit by SPI isolating chip, it is described from control unit include processor MCU2, motor drive module, AD acquisition module, the input terminal of the Micro-processor MCV 2 is connect with AD acquisition module, the output end of the Micro-processor MCV 2 is connect with motor drive module, and the AD acquisition module is used to acquire the operating parameter of motor.Utility model has the advantages that control driving and the data monitoring of motor are realized from control unit by being arranged, by major impetus control section by specially controlling management from controller, can accomplish more precise control motor simultaneously can reduce the resource anxiety problem of master controller from the use of controller.
Description
Technical field
The utility model relates to electric car appliance field, in particular to the double-core control system of a kind of electric car.
Background technique
With the rise of New-energy electric vehicle, more and more low-speed electronic automobiles flood the market, at present low-speed electronic
The function of automobile controller is gradually integrated, intelligent, and the function of covering is more and more.And possess so huge function, it relates to
And a large amount of algorithm is arrived, the requirement of processor certainly will be greatly improved.For example master controller completes vehicle in existing system
It controls work and needs cumbersome electrical isolation scheme with power circuit portion, cause MCU resource nervous, the exploitation for MCU
Difficulty is caused, increases device cost, and processor active task is heavy, is unable to satisfy design requirement.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of electric cars based on master & slave control unit
Control system uses from control unit the motor for controlling electric car to save control space for master controller.
To achieve the goals above, the technical solution adopted by the present invention are as follows: a kind of control system of electric automobile, including master control
Unit processed is connected from control unit, the main control unit and between control unit by SPI isolating chip, described from control
Unit processed includes processor MCU2, motor drive module, AD acquisition module, and the input terminal and AD of the Micro-processor MCV 2 acquire
Module connection, the output end of the Micro-processor MCV 2 are connect with motor drive module, and the AD acquisition module is for acquiring electricity
The operating parameter of machine.
The AD acquisition module includes three-phase current acquisition sensor, temperature acquisition sensor, voltage acquisition sensor, institute
It states three-phase current acquisition sensor, temperature acquisition sensor, voltage acquisition sensor and passes through converter and Micro-processor MCV 2
Input terminal connection.
The main control unit includes Micro-processor MCV 1, CAN module, and the microprocessor passes through CAN module and vehicle
CAN network connection.
Information is uploaded to background server by diagnostic message transmission module by Micro-processor MCV 1.
The microprocessor is connect with data acquisition module, and the data acquisition module is for acquiring whole vehicle state signal.
Utility model has the advantages that realizing that the control driving of motor and data are supervised by being arranged from control unit
Control can accomplish more precise control motor simultaneously from control by major impetus control section by specially controlling management from controller
The use of device can reduce the resource anxiety problem of master controller, facilitate the exploitation in vehicle R&D process to master controller, and
Master controller and between controller from cross SPI communication isolation, can according to carry out data interaction or receive master controller control
Signal processed, principal and subordinate is mutually coordinated, can preferably facilitate the exploitation of the control function of electric car.
Detailed description of the invention
Below to each width attached drawing of description of the invention expression content and figure in label be briefly described:
Fig. 1 is Control system architecture schematic diagram of the utility model based on master & slave control unit.
Specific embodiment
A specific embodiment of the invention is made further detailed below against attached drawing by the description to optimum embodiment
Thin explanation.
The application solves the problems, such as it is that full-vehicle control is integrated in control caused by a control unit in the prior art
The shortage of resources of unit can not develop other functions.In order to be arranged one from control unit, being used for from control unit will be original
It is adjusted to by the motor driven and monitoring management of main control unit control by adjusting control from control unit, due to electric car
Power source motor be for the operation of electric car it is insignificant, by one from controller come control can accomplish to reduce it is other
The interference of control.By being driven from controller to motor, can according to the control signal of the master controller received come into
Row is monitored the operation of electrode, feeds back to master controller or provides alarm by receiving some transducing signals of motor
Deng having saved control resource to master controller, master controller facilitated to develop more functions.
Control system of electric automobile based on master & slave control unit includes main control unit, from control unit, single from control
Member is used to control other vehicles except controlling from control unit for controlling the driving and monitoring data of motor, main control unit
Control.It main control unit and is connected between control unit by SPI isolating chip, the data interaction and communication for the two
Isolation.Include processor MCU2, motor drive module, AD acquisition module from control unit, the input terminal of Micro-processor MCV 2 with
The connection of AD acquisition module, the output end of Micro-processor MCV 2 are connect with motor drive module, and AD acquisition module is for acquiring motor
Operating parameter.AD acquisition module includes that three-phase current acquisition sensor, temperature acquisition sensor, voltage acquisition sensor are used for
Acquire current data, temperature data, voltage data respectively, to monitor the parameter of motor operation, three-phase current acquire sensor,
Temperature acquisition sensor, voltage acquisition sensor are connect by converter with the input terminal of Micro-processor MCV 2.
Main control unit is connect by SPI communication isolating chip with from control unit, the control signal of motor can be passed
It is handed to from controller, by issuing motor control from control unit；It simultaneously can also be by being transported from control unit by the motor of acquisition
In row data value of feedback main control unit, and then by main control unit control car-mounted display, alarm, back-end data upload etc..It is logical
It crosses and the drive control of motor, data monitoring is placed on from controller, it is possible to reduce the load of master controller gives main control unit
Resource is saved, main control unit is facilitated to develop other functions.
Main control unit is vehicle master control, and being configured according to different vehicle may be different, is described briefly below:
Electric car double-core control system schematic diagram is as shown in Figure 1, include main control unit, from control unit and SPI
Communicate isolated location.
Wherein master control system unit includes:
SMPS1 module (master control system power module): entire main control unit is powered, at MCU1
Manage device, AD acquisition module, CAN module, diagnostic module.
CAN module: vehicle completes protocol data transmission by CAN communication.
Diagnostic module: backstage fault message can be uploaded to by this module.
AD acquisition module: acquisition signal include accelerator pedal signal, brake pedal signal, shift signal (advance, retreat,
Parking), motor temperature signal etc., can be realized using corresponding sensor.
Digital data acquisition module: key signal (enabling signal is acquired by radio-frequency antenna Acquisition Circuit), code device signal
(encoder is for acquiring motor rotations information)
Include: from control system unit
SMPS2 module (from control system power module): to being entirely powered from control unit, at MCU2
Manage device, AD acquisition module, drive module.
Drive module: it completes to motor drive operational, driving motor completes electric energy to the conversion equipment of mechanical energy.
AD acquisition module: three-phase current acquisition, the acquisition of three phase power device temperature and power voltage acquisition lead to respectively
Overvoltage, current transformer, temperature sensor are realized.
Wherein main control unit is completed to the monitoring and instruction control function from control unit, can be opened according to demand
Hair, main control unit are logical by the acceleration function of acquisition signal completion vehicle, deceleration, gearshift function, diagnostic function, CAN
The functions such as news and protection.And the driving work for instructing and completing to motor is received from control unit by isolation communication, pass through letter
The acquisition operation of number amount is completed to the defencive function of motor, and isolation communication realizes the isolation of high-low voltage power source, protects personnel
Safety.
Obviously present invention specific implementation is not subject to the restrictions described above, as long as using method concept and skill of the invention
The improvement for the various unsubstantialities that art scheme carries out, it is within the scope of the present invention.
Claims (5)
1. a kind of control system of electric automobile, it is characterised in that: including main control unit, from control unit, the main control list
Member and connected between control unit by SPI isolating chip, it is described from control unit include Micro-processor MCV 2, motor driven
The input terminal of module, AD acquisition module, the Micro-processor MCV 2 is connect with AD acquisition module, the Micro-processor MCV 2 it is defeated
Outlet is connect with motor drive module, and the AD acquisition module is used to acquire the operating parameter of motor.
2. a kind of control system of electric automobile as described in claim 1, it is characterised in that: the AD acquisition module includes three-phase
Current acquisition sensor, temperature acquisition sensor, voltage acquisition sensor, the three-phase current acquire sensor, temperature acquisition
Sensor, voltage acquisition sensor are connect by converter with the input terminal of Micro-processor MCV 2.
3. a kind of control system of electric automobile as claimed in claim 1 or 2, it is characterised in that: the main control unit includes
Micro-processor MCV 1, CAN module, the microprocessor are connect by CAN module with vehicle CAN network.
4. a kind of control system of electric automobile as claimed in claim 3, it is characterised in that: Micro-processor MCV 1 passes through diagnosis letter
It ceases transmission module and information is uploaded to background server.
5. a kind of control system of electric automobile as claimed in claim 2, it is characterised in that: the microprocessor and data acquire
Module connection, the data acquisition module is for acquiring whole vehicle state signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822173357.6U CN209103150U (en) | 2018-12-24 | 2018-12-24 | A kind of control system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822173357.6U CN209103150U (en) | 2018-12-24 | 2018-12-24 | A kind of control system of electric automobile |
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| Publication Number | Publication Date |
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| CN209103150U true CN209103150U (en) | 2019-07-12 |
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| CN201822173357.6U Active CN209103150U (en) | 2018-12-24 | 2018-12-24 | A kind of control system of electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475473A (en) * | 2020-10-27 | 2022-05-13 | 许继电源有限公司 | Direct current charging controller based on SPI dual-computer communication |
-
2018
- 2018-12-24 CN CN201822173357.6U patent/CN209103150U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475473A (en) * | 2020-10-27 | 2022-05-13 | 许继电源有限公司 | Direct current charging controller based on SPI dual-computer communication |
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