CN106740121A - Electric automobile smart circuit management system and its management control method - Google Patents
Electric automobile smart circuit management system and its management control method Download PDFInfo
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- CN106740121A CN106740121A CN201611166017.XA CN201611166017A CN106740121A CN 106740121 A CN106740121 A CN 106740121A CN 201611166017 A CN201611166017 A CN 201611166017A CN 106740121 A CN106740121 A CN 106740121A
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- circuit
- information
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The present invention relates to a kind of electric automobile smart circuit management system and its method, smart circuit management system includes smart circuit management module and the control performing module with described smart circuit management module direct or indirect connection, circuit monitoring wire harness, wire connects temperature sensor and information gathering and processing module, smart circuit management module is received and processed from described circuit monitoring wire harness, wire connects the circuit data that temperature sensor and information gathering and processing module collection come, after obtaining control information, being sent to described control performing module allows it that control information is converted into specific control instruction, load electrical appliance to being connected in the smart circuit management system is controlled.Using electric automobile smart circuit management system of the invention and its method, because wherein each hardware uses modular unit, the complexity of the smart circuit management system is greatly reduced, the intelligent management to electric vehicle provides very big effect.
Description
Technical field
The present invention relates to electric automobile field, the especially field of circuit control of electric automobile specifically refers to a kind of electronic vapour
Car smart circuit management system and its management control method.
Background technology
The circuit of electric vehicle divides according to voltage and is commonly divided into low-voltage circuit and high-tension circuit, according to whether comprising electricity
Source can be divided into power circuit and load circuit to divide.The electric of electric vehicle is divided into 5 parts：Low voltage electric power system (is responsible for low
Voltage source supply, guarantee, failure disposal, emergency processing etc.), high voltage power supply (be responsible for high voltage power supply supply, ensure, failure
Disposal, emergency processing, Vehicular charging etc.), load system, vehicle control system (be responsible for driving performance information treatment, wagon control
Strategy, information exchange etc.) and information system (CAN instrument and board information terminal etc.).
The usual way of the electric vehicle early stage of development integrated work of vehicle is that single-piece is installed, and is uniformly controlled --- i.e. each electricity
Gas part is respectively mounted the co-ordination that each part is onboard controlled by a logic controller.The master of this way
Have the disadvantage：Control unit is various, and control program is complicated, and circuit bundle is complicated, takes up room big.
Recent years, the integrated exploitation of electric component was universal, such as two-in-one power supply, three-in-one power supply, four-in-one control
Miscellaneous scheme of electric power such as device, five in one controller, these schemes by DC-DC, DC-AC, electric machine controller, charger,
High-tension distribution box, even entire car controller etc. are combined design, while have also been made corresponding collection on Component Control System
Into.Do so is had the advantage that：Variety of components is reduced, and control is simplified, and wire harness is simple, and taking up room reduces.
Either loose mail assembling or small assembly are installed, and basic circuit topological structure and principle is constant, because vehicle electric system
System is that, for vehicle performance is serviced, power supply, load, control are the big parts of indispensable three.
The management of current load circuit integrated system considers also not thorough in design, and either battery management system is still passed
The entire car controller of system is unable to functionally carry out sufficiently effective specialized management, and scientific and reasonable Circuit management is straight
Connect the electrical safety and use safety for having influence on vehicle, it is therefore necessary to load circuit is upgraded to the smart circuit of specialty, is possessed
Circuit intelligent management ability.Realize load circuit intelligent management, it is necessary to be equipped with smart circuit management system.
From at this stage technology development from the point of view of, current vehicle electrical components develop in terms of structure assembly and wire harness connection compared with
Hurry up, preferably, meet electric vehicle assembling and the convenience for using, but do not in circuit synthesis system safety and management aspect
Enough specializations, some of them typical performance has：Battery management system has carried out simple control to high-voltage power circuit, but does not prolong
The management and control of load high-tension circuit is reached, use and high-voltage safety is have impact on；Traditional entire car controller is to circuit unit
Can only simply be controlled, various control unit and demand for control causes entire vehicle control software complicated, to spend extensive work
The control logic for the treatment of circuit block is gone, function and the refinement of integrated vehicle control tactics is leveraged；Circuit information is most important,
It is related to vehicle safety, management and controls, detection and maintenance main at this stage needs artificial treatment, it has not been convenient to；Although now
Some integrated components have done some and have been worked on electric circuit inspection and control aspect, but comprehensively born for enhanced products function
Carry circuit synthesis system administration aspect and be also short of more.Electric vehicle circuit is complicated, and communication and control proportion are much larger than traditional vehicle
, circuit safety is even more the emphasis of technology development, so the integrated management of electric vehicle load circuit is in the urgent need to the professional skill of lifting
Art level.
The content of the invention
In order to overcome above-mentioned the problems of the prior art, the present invention to propose one kind and realize comprehensive load circuit management control
The electric automobile smart circuit management system and its management control method of system.
Electric automobile smart circuit management system of the invention and its management control method are specific as follows：
The electric automobile smart circuit management system, it is mainly characterized by, and described system includes control performing module, intelligence
Energy Circuit management module and information gathering and processing module, and described control performing module and information gathering and processing module
Load circuit with described smart circuit management module, the electric automobile is connected, wherein,
Described information gathering and processing module is used to gather load circuit information, and described load circuit information is sent out
Give described smart circuit management module；
Described smart circuit management module is born to the information gathering according to and the described of processing module collection
Circuit information is carried, send corresponding control information to described control performing module enters to the load circuit of described electric automobile
Row management；
Described control performing module performs the controlled portion with described load circuit to the control information according to
The related controlled output of part.
It is preferred that described smart circuit management module include a smart circuit administrative unit and respectively with the intelligent management
Control interface, external communication interface, internal communication interface, debugging interface, power interface and status indicator lamp that unit is connected,
Wherein,
The built-in policy control software of described smart circuit administrative unit, and described smart circuit administrative unit passes through
Described policy control software, and be managed and control according to described load circuit information and to described load circuit
Described control interface is a CAN line interfaces, be used to by CAN lines realize described smart circuit management module with
The information exchange of described control performing module；
Described external communication interface is a CAN line interfaces, is used to realize that described smart circuit manages mould by CAN lines
The information exchange of block and the outside of described system；
Described internal communication interface is a CAN line interfaces, is used to make described smart circuit management module by CAN lines
With described information gathering and the information exchange of processing module；
Described status indicator lamp is provided with different colours, is used to the shape of the smart circuit management module for showing presently described
State information.
It is preferred that described system also includes a circuit monitoring wire harness and wire connection temperature sensor, and it is described
Circuit monitoring wire harness and described wire connection temperature sensor are connected with described information gathering and processing module, and
Described circuit monitoring wire harness is used to connect the monitor node in described load circuit and described information gathering
And processing module；
Described wire connection temperature sensor is used to monitor the temperature of the high-tension line tie point in described load circuit
Degree change, to obtain corresponding temperature information, and is sent to described information gathering and processing module by described temperature information.
More preferably, the monitor node of described load circuit includes the internal communication line in load circuit, sensor and letter
Number line, described sensor includes air accumulator baroceptor, vacuum tank vacuum pressure sensor, ECL sensor and cold
But liquid temperature sensor.
It is preferred that the controlled part of described load circuit includes high voltage electric equipment, low voltage equipment, high-voltage relay
Device and low-voltage relay.
The method that the management control of electric automobile smart circuit is realized based on above-mentioned system, it is mainly characterized by, described
Method is comprised the following steps：
(1) system electrification described in, described smart circuit management system self-inspection, and by described after self-inspection passes through
Information gathering and processing module are gathered and process load circuit information, described and by the described electricity of the load through processing to generate
Road information is sent to described smart circuit management module；
(2) the smart circuit management module described in is analyzed treatment to the load circuit information through processing for receiving,
And corresponding control information is generated according to the load circuit information through processing；
(3) control information that the smart circuit management module described in is generated is sent to described control performing module,
Described control performing module realizes the control to corresponding load circuit according to the control information.
It is preferred that described step (1) is specially：
Described system electrification, described smart circuit management system self-inspection, and by described letter after self-inspection passes through
Breath collection and processing module gather the load circuit information of described load circuit, and the load circuit information collected to it is entered
Row screening, analog-to-digital conversion and translation, to obtain process circuit information, and are sent to described intelligence by the process circuit information of gained
Can Circuit management module.
It is preferred that described smart circuit management module includes a smart circuit administrative unit and one and the smart circuit pipe
The debugging interface that reason unit is connected, user can be input into by described debugging interface to described smart circuit management module
One policy control software, described policy control software includes load circuit failure sorted standard and corresponding solution, institute
The load circuit failure sorted standard stated is used to carry out described load circuit information failure sorted, and described step (2)
Specially：
The load circuit information that described smart circuit management module is received to it is analyzed treatment, obtains current
Malfunction, if described load circuit is faulty, described smart circuit management module is according to built-in policy control
Be classified for described load circuit information by the load circuit information failure sorted standard in software, and according to described load
The classification results of circuit information, and correspondence solution is obtained, described smart circuit management module is given birth to according to the solution
Into corresponding control information；Otherwise described smart circuit management module keeps constant.
More preferably, described solution include common grade failure Disposal Strategies, level of security failure Disposal Strategies and
Energy Saving Control strategy.
More preferably, also it is connected with described smart circuit administrative unit including one in described smart circuit management module
Status indicator lamp, a step is also included before described step (3)：
(3.0) solution of smart circuit management module described according to generates a corresponding enable signal, and
Described status indicator lamp is sent to, described status indicator lamp is controlled light color according to the enable signal.
Using the electric automobile smart circuit management system and its management control method, because there is smart circuit to manage for it
Module, is detected to the load circuit of described electric vehicle, is monitored, and generates corresponding solution party according to monitored results
Case, can carry out sufficiently effective specialized management with the scientific and reasonable load circuit to electric vehicle, possess intelligentized negative
Carry Circuit management and coordination function, it is possible to achieve independent closed-loop control and management, voluntarily judgement and problem disposal, and can realize
Power distribution and SECO, circuit state monitoring, circuit information treatment, fast failure response and analysis, level of security failure
The detection of Disposal Strategies, common grade failure Disposal Strategies, Energy Saving Control strategy and Circuit management system faults itself and treatment.Should
System has the characteristics that：
It is specialized：Circuit management is more professional, more perfect using function and security function；
It is information-based：Circuit state clear and definite, rapid line OBD；
Modularization：Functional independence, can be better controlled cooperation with other systems, and other control systems are facilitated indirectly more
Plus it is full-time.
Brief description of the drawings
Fig. 1 be electric automobile smart circuit management system of the invention be arranged on electric vehicle in when topological diagram.
Specific embodiment
In order to better illustrate, the present invention will be described, and some embodiments are enumerated below to carry out further the present invention
Explanation.
The electric automobile smart circuit management system, wherein described system includes control performing module, smart circuit pipe
Reason module and information gathering and processing module, and described control performing module and information gathering and processing module with it is described
Smart circuit management module, the load circuit of the electric automobile be connected, wherein,
Described information gathering and processing module is used to gather load circuit information, and described load circuit information is sent out
Give described smart circuit management module；
Described smart circuit management module is born to the information gathering according to and the described of processing module collection
Circuit information is carried, send corresponding control information to described control performing module enters to the load circuit of described electric automobile
Row management；
Described control performing module performs the controlled portion with described load circuit to the control information according to
The related controlled output of part.
Described smart circuit management module include a smart circuit administrative unit and respectively with the intelligent management unit phase
The control interface of connection, external communication interface, internal communication interface, debugging interface, power interface and status indicator lamp, wherein,
The built-in policy control software of described smart circuit administrative unit, and described smart circuit administrative unit passes through
Described policy control software, and be managed and control according to described load circuit information and to described load circuit
Described control interface is a CAN line interfaces, be used to by CAN lines realize described smart circuit management module with
The information exchange of described control performing module；
Described external communication interface is a CAN line interfaces, is used to realize that described smart circuit manages mould by CAN lines
The information exchange of block and the outside of described system；
Described internal communication interface is a CAN line interfaces, is used to make described smart circuit management module by CAN lines
With described information gathering and the information exchange of processing module；
Described status indicator lamp is provided with different colours, is used to the shape of the smart circuit management module for showing presently described
State information.
Described system also includes a circuit monitoring wire harness and wire connection temperature sensor, and described circuit monitoring
Wire harness and described wire connection temperature sensor are connected with described information gathering and processing module, and
Described circuit monitoring wire harness is used to connect the monitor node in described load circuit and described information gathering
And processing module；
Described wire connection temperature sensor is used to monitor the temperature of the high-tension line tie point in described load circuit
Degree change, to obtain corresponding temperature information, and is sent to described information gathering and processing module by described temperature information.
The monitor node of described load circuit includes the internal communication line in load circuit, sensor and holding wire, institute
The sensor stated includes air accumulator baroceptor, vacuum tank vacuum pressure sensor, ECL sensor and cooling liquid temperature
Degree sensor.
The controlled part of described load circuit includes high voltage electric equipment, low voltage equipment, high-voltage relay and low
Potential relay.
The method that the management control of electric automobile smart circuit is realized based on above-mentioned system, including following steps：
(1) system electrification described in, described smart circuit management system self-inspection, and by described after self-inspection passes through
Information gathering and processing module are gathered and process load circuit information, described and by the described electricity of the load through processing to generate
Road information is sent to described smart circuit management module；
(2) the smart circuit management module described in is analyzed treatment to the load circuit information through processing for receiving,
And corresponding control information is generated according to the load circuit information through processing；
(3) control information that the smart circuit management module described in is generated is sent to described control performing module,
Described control performing module realizes the control to corresponding load circuit according to the control information.
Described step (1) is specially：
Described system electrification, described smart circuit management system self-inspection, and by described letter after self-inspection passes through
Breath collection and processing module gather the load circuit information of described load circuit, and the load circuit information collected to it is entered
Row screening, analog-to-digital conversion and translation, to obtain process circuit information, and are sent to described intelligence by the process circuit information of gained
Can Circuit management module.
Described smart circuit management module includes a smart circuit administrative unit and one and the smart circuit administrative unit
The debugging interface being connected, user can be input into a strategy by described debugging interface to described smart circuit management module
Control software, described policy control software includes load circuit failure sorted standard and corresponding solution, and described is negative
Fault grade scale is carried to be used to carry out described load circuit information failure sorted, and described step (2) is specially：
The load circuit information that described smart circuit management module is received to it is analyzed treatment, obtains current
Malfunction, if described load circuit is faulty, described smart circuit management module is according to built-in policy control
Be classified for described load circuit information by the load circuit information failure sorted standard in software, and according to described load
The classification results of circuit information, and correspondence solution is obtained, described smart circuit management module is given birth to according to the solution
Into corresponding control information；Otherwise described smart circuit management module keeps constant.
Described solution includes common grade failure Disposal Strategies, level of security failure Disposal Strategies and Energy Saving Control
Strategy.
Also include a state being connected with described smart circuit administrative unit in described smart circuit management module
Indicator lamp, also includes a step before described step (3)：
(3.0) solution of smart circuit management module described according to generates a corresponding enable signal, and
Described status indicator lamp is sent to, described status indicator lamp is controlled light color according to the enable signal.
The load circuit of electric vehicle is in a broad sense to include all electricity in addition to electrokinetic cell and low tension battery
Road.For the convenience for designing and managing, in a particular embodiment, vehicle circuit is typically divided into low-voltage power circuit (including low
Pressure battery, low-tension supply management system, relay and wire etc.), high-voltage power circuit (including electrokinetic cell, high voltage power supply
Management system, charging device, earth detector, current sensor, relay and wire etc.), vehicle control electronics (including car
The information such as controller, electronic gear shifter, E-Gas, electric braking pedal, park brake switch and sensing equipment, communication and control
Wire harness processed etc.), information circuit (CAN instrument, board information terminal, communication wire harness etc.) and load circuit.
The content covering scope of load circuit is larger, including various high voltage electric equipment, various low voltage equipment, various
High-low voltage relay, the high-low pressure plug-in unit of various circuit, various high-low voltage fuse, sensor, wire harness etc..The portion of load circuit
Part control mode is various, and failure mode is various, high-voltage power-line, low-tension supply line, communication and control line interactive contact.Described
Electric automobile smart circuit management system will realize specialized, intelligentized managerial ability, and its prerequisite function is as follows：
1. intelligentized Circuit management and coordination：Containing intelligent strategy program, independent closed-loop control and management, voluntarily sentence
The disposal of disconnected and problem, specifically include power supply is allocated be monitored with SECO, to itself and load circuit state, it is right
Load circuit information processing, the failure to electric automobile load circuit carry out quick response with analysis, setting level of security failure
Disposal Strategies, common grade failure Disposal Strategies and Energy Saving Control strategy.
2. pair load circuit equipment is controlled management：Operation response and control, specifically include and mono-/bis-control attribute are loaded
Equipment control, the status monitoring to load circuit, realize and load circuit communication with control, realize sensor (physical form
On can be a specific sensor, may also be transducer wire) load circuit monitoring node is carried out directly or indirectly
The monitoring of information gathering and realization to load circuit control signal.
3. information exchange：The information transmission between the different system of the electric vehicle and response are realized, is set by multichannel CAN lines
It is standby, communicate and jointly control conveniently, the public information and demand for control information of other parts are can read and respond, while also must
The public information and demand for control delivering wanted.
In a kind of specific embodiment, described electric automobile smart circuit management system (Intelligent Circuit
Management System, abbreviation ICMS) constitute and operation principle：
Smart circuit management system (ICMS) is performed by smart circuit management module, information gathering and processing module and control
Module and the wire connection temperature sensor and the path monitoring wire harness that are connected in described information gathering and processing module, it is whole
The supporting wire harness accessory system of individual system is constituted.
Refer to Fig. 1, the electric automobile smart circuit management module in described electric automobile smart circuit management system
Including 7 units, respectively control interface, external communication interface, status indicator lamp, smart circuit administrative unit, internal communication
Interface, debugging interface and power interface.
The internal part of the system includes the control that smart circuit management module is connected with the smart circuit management module
Performing module, information gathering and processing module, wire connection temperature sensor and circuit supervision wire harness.
The electronic product that described control performing module is made up of some miniature relays, integrated circuit, electronic components etc.,
For receiving the control instruction information that smart circuit management module (ICMA) sends, control instruction information is by parsing and treatment
Afterwards, the controlled output related to controlled part is performed.Possess CAN line interfaces, be capable of achieving with smart circuit management module (ICMA)
CAN communication
Smart circuit management module (Intelligent Circuit Management Assembly, abbreviation ICMA) by
The electronic product of the compositions such as some integrated circuits, electronic components, LED, for the specialized management to vehicle load circuit.Can
With other system communications of vehicle, corporate management and control are carried out to vehicle
Circuit monitoring wire harness is the information gathering wire harness between circuit supervision node and information gathering and processing module, is intelligence
The important path of energy Circuit management module (ICMA) collecting circuit information
Wire connection temperature sensor is fixed on high-tension line connecting node, the temperature change for monitoring junction.Can
Prevent connection loosening from causing resistance to become big and cause High Temperature
The electronic product that information gathering and processing module are made up of some integrated circuits, electronic components etc., it is each for collecting
Circuit information and communication information are planted, and the information after treatment is sent to smart circuit management module (ICMA), sentenced for logic
Disconnected and policy control, and the information gathering and processing module also possess CAN line communication interfaces.
Wherein, described smart circuit management module (ICMA) is constituted and is described as follows：
Smart circuit administrative unit is used for the integrated circuit package of special exploitation, belongs to smart circuit management module (ICMA)
Core control part, there is the policy control software of smart circuit management system inside, can read input information and make outlet pipe
Reason and control reaction.
Control interface is a CAN line interfaces, is connected with control performing module by CAN lines, is smart circuit administrative unit
Send the passage of control instruction.
External communication interface is a CAN line interfaces, with the passage that vehicle other systems carry out information exchange.
Status indicator lamp is used to show the state of related control information.
Power interface is a low-tension supply interface, for powering.
Debugging interface feature description is used for the passage of program input and in-circuit emulation.
Internal communication interface is a CAN line interfaces, is connected with information gathering and processing module, receives load circuit all of
Relevant information.
In a kind of specific embodiment, the operation principle of electric automobile smart circuit management system (ICMS) system is：
(1) by information gathering and processing module, the electric automobile smart circuit management system can collect various circuits
Information, such as the information that can directly collect has：The link information of circuit supervision node, wire connect the temperature of temperature sensor
The various use signals of the triggerings such as information, the output signal of various sensors, other circuits or switch, the fault-signal of equipment
Deng；Indirectly collect information has：Information sent by load equipment CAN lines etc..The circuit information for collecting can be entered
Row treatment, such as screen the information of needs, to collecting signal transacting and to be converted into information data, translation signals etc., and will
Information after arrangement is sent to smart circuit management module (ICMA).
The electric automobile smart circuit management system can be by itself CAN line interface, by smart circuit management module
(ICMA) the CAN line traffic controls instruction for sending is sent to the load equipment for possessing CAN communication.Information gathering and processing module are standards
Change component, it is expansible, the complexity of smart circuit management module (ICMA) can be substantially reduced, and strengthen its professional information
Disposal ability.
(2) by smart circuit administrative unit, the information to load circuit fully analyze and process, and is Circuit management
Core processing component.A large amount of circuit informations by logic analysis, strategy, fault are used according to circuit theory, circuit
Treatment strategy, vehicle safety strategy, vehicle form the control logic scientific and reasonable to load circuit, together using the requirement such as strategy
When can also sort out abundant circuit information analysis result.The Circuit management behavior of specialty can be realized by controlled output；Pass through
Information exchange, can provide substantial amounts of specialized circuit information for other systems, driver, information of vehicles monitor supervision platform etc..In addition
Jointly controlling outside system can be carried out with other systems, i.e., by means of communication, tactic coordinates control between realizing system.
(3) by controlling performing module, the various control instructions that smart circuit management module (ICMA) sends can be received
Information, after being parsed to it, is converted into various control signals, such as enable signal, high/low level shifted signal, PWM letters
Number, analog signal, 5V dc sources etc., all devices and relay in controllable load circuit.
For the control signal for needing relatively high power, conversion and control is carried out by its internal miniature relay, be capable of achieving
Larger control electric current, such as driving Large-scale High-Pressure relay control signal line etc..Can be by software design patterns or time delay
Relay, realizes the upper and lower electric SECO to equipment in load circuit or relay.
Control performing module is modular unit, expansible, can substantially reduce smart circuit management module (ICMA)
Complexity, and strengthen its professional information processing capability.
(4) it is arranged in circuit supervision node and monitoring information is obtained by circuit monitoring wire harness, circuit supervision node includes height
Volt circuit component tie point, important communication node, important control circuit node, equipment interface etc., monitoring information include correlation
The circuit parameters such as electric current, voltage, the resistance of circuit.
(5) temperature sensor is connected by wire, the temperature of tie point can be detected.This parameter is for high-tension line very
It is important, when detecting rapid warm raising, interlock circuit can be disconnected, prevent that tie point resistance is excessive to cause violent temperature rise.Also can examine
Slow and trending the temperature change of small resistance tie point is surveyed, for predicting connection, reasonable control action is made, such as
Analyzing tie point has loosening sign, sends inspection early warning, drop power and uses, shields correlation function etc..
(6) by control interface, the control instruction of smart circuit administrative unit can be emitted to by CAN lines described
Control performing module.
(7) by debugging interface, program input and in-circuit emulation can be realized.
(8) by external communication interface, other systems information mutual communication can be carried out with vehicle, joint control is carried out to vehicle
System.
(9) by internal communication interface, by CAN lines, the load circuit information of all demands can be received
(11) by being designed to the status indicator lamp of simple status display function, can be in rapid examination load circuit
The connection status of each main high voltage relay, it is also possible to the quick status information (ratio for knowing smart circuit management module (ICMA)
Such as it is in normal operating conditions, malfunction or stand-by energy-saving state).
Include following function in electric automobile smart circuit management system (ICMS)：
(1) intelligentized Circuit management and coordination：Containing intelligent strategy program, independent closed-loop control and management, voluntarily
Judge and problem disposal
(2) power distribution and SECO：By each power branch relay, by tactful SECO hi-lo circuit
Upper and lower electricity
(3) circuit state monitoring：According to use state the need for vehicle can judge whether connection principle correct,
Whether each node on off operating mode of circuit meets insulation (electric leakage) state between logic, circuit supervision node, required monitoring circuit
Pressure drop state, circuit resistance (short circuit) state etc., are capable of achieving real-time monitoring.Can be to wire, plug-in unit, fuse, relay point
Piecewise analysis, it is determined that the connection status between power supply to load, checks the problem on each electricity consumption branch road whole piece circuit.
(4) circuit information treatment：Circuit analysis is carried out according to each Monitoring Data of circuit and information is disclosed, such as each monitoring section
(such as high-tension line resistance changes suddenly may for the real-time status of point, circuit health evaluating index, potential faults analysis
Cause the probability for generating heat, catching fire) etc., information parameter and analysis result are the core foundations of Circuit management strategy.
(5) fast failure response and analysis：Faulty circuit isolation, available resources analysis and assessment (such as failure sorted with
Control, severity level forbids driving, and part slight levels can drive a vehicle according to actual conditions, but pays particular attention to related event
Barrier).
(6) level of security failure Disposal Strategies：Electric drive system catastrophe failure is detected suddenly when such as driving a vehicle, now needs to stand
Carve and close interlock circuit high voltage power supply, but must assure that power-assisted steering and brakes are working properly；Detected suddenly during driving
Air pressure signal mutation drop zero, now starting air compressor must often work at once, and send parking checking warning etc..
(7) common grade failure Disposal Strategies：According to failure sorted control, (such as air pump is broken, and air pressure is also not up to low
The front truck of limit value can also be opened；Power-assisted steering is broken, and can allow jogging, but want restricted speed；DC-DC is broken, low pressure electric power storage
The front truck that cell voltage is also not up to lower limit value can also be opened；Cooling fan is broken, and limits driving power, prevents the portion for needing to radiate
Part overtemperature protection etc.).
(8) Energy Saving Control strategy：According to driving needs, resource distribution is carried out to meet its needs, reduce the wasting of resources.Than
As cooling system can control cooling fan and the energy-conservation of cooling water pump to use according to radiating requirements；Power-assisted steering can according to speed,
Parking situation carries out Energy Saving Control；During charging, according to charge requirement, unlocking vehicle correlation auxiliary equipment and suitably using being
Can；
(9) detection of Circuit management system faults itself and treatment：Can self test failure, show and send fault message.Energy
It is estimated according to self test failure type, makes appropriate disposal method, being tried one's best while vehicle safety is ensured makes at vehicle
In serviceable condition (such as, it is impossible to detect that high pressure always bears the closed feedback of relay, but system is learnt by other circuit informations
High-tension circuit is working properly, then can give and alert, and reminds and checks high-voltage relay feedback line, now allows load circuit normal
Work, does not influence driving).
Described electric automobile smart circuit management system specifically includes following operation to load circuit：
(1) single control attribute load circuit management is that the load circuit of single control attribute is managed, wherein described single control
Attribute is that supply power supply and control control to complete using two actions by a controller, such as the high pressure of DC-DC converter
Power supply is controlled by Circuit management system, and its service condition is also controlled by Circuit management system；The low pressure of D. C. brushless cooling fan
Power supply is controlled by Circuit management system, and whether it works also by Circuit management system according to cooling system temperature by strategy decision.
Single control attribute load circuit in high-voltage load circuit has：Electric powered steering pump, electric air pump, DC-DC power source, DC-
AC power supplies, electric air-conditioning, electric heating wind etc..
Single control attribute load circuit in low-voltage load circuit has：Cooling fan, water pump, vavuum pump etc..
(2) dual control attribute load equipment management is that the load circuit of dual control attribute is managed, described dual control attribute
Refer to that power supply supply and control are controlled to complete by two different controllers respectively using two actions.Such as electric machine controller
High voltage power supply is controlled by Circuit management system, is completed by Circuit management system with failure and safety-related control, but use
Control is managed by vehicle control system；The low-tension supply of gearbox control is controlled by Circuit management system, with failure and safety
Related control is completed by Circuit management system, but uses control to be managed by vehicle control system).
Dual control attribute load circuit in high-voltage load circuit has：Electric machine controller.
Dual control attribute load circuit in low-voltage load circuit has：Gearbox control.
(3) load equipment status monitoring：Feedback is set up with load equipment to contact, read or judge the state of equipment in real time,
Such as malfunction, holding state, working condition, off-state etc..
(4) communication of load equipment and control：Load supplying circuit is controlled, and load is led to using control, load control information
News interaction
The sensor that the electric automobile smart circuit management system kind includes (can be a specific biography in physical form
Sensor, may also be transducer wire) and its collection signal it is specific as follows：
(1) sensor information and signal are directly gathered：It is air accumulator baroceptor, vacuum tank vacuum pressure sensor, cold
But liquid level sensor, cooling-water temperature transmitter, wire connect temperature sensor, B step voltage part protecting crusts opening signal, car
Collision alarm, ON gears signal, ignition signal, AIR COND SIG Air Conditioner Singnal, warm wind signal, equipment fault signal etc.
(2) signal is gathered indirectly：Shift signal, clutch position signal, GES etc.
(3) control signal：It is pwm signal (air-conditioning, D. C. brushless cooling fan, brush DC water pump etc. can be used), common
Switching signal (high or low level, for level signal communication or direct control relay break-make) etc.
Information transmission and response between the electric automobile smart circuit management system and described electric vehicle other systems,
Realized by multichannel CAN lines, communicate and jointly control very convenient, can read and respond the disclosure of the electric vehicle other systems
Information and demand for control information, while also by necessary public information and demand for control delivering.
The electric vehicle for being communicated and being jointly controlled with described electric automobile smart circuit management system other
System includes：Vehicle control controller (VCU), electric machine controller (MCU), gearbox control (TCU), high voltage power supply management system
System, low-tension supply management system and CAN instrument and board information terminal etc..
When electrical principle design is carried out, load circuit designs need with smart circuit management system (ICMS) as core vehicle
The heart, all parts in high low pressure circuit and related wire harness in load circuit must be controlled.
The entrucking of the electric automobile smart circuit management system specifically includes following steps：
(1) by three module arrangements of smart circuit management system (ICMS) and it is assemblied in the mounting bracket of vehicle, band
The vehicle of high-tension distribution box can be installed in casing；
(2) wire is connected into temperature sensor and circuit monitoring wire harness is installed to associated monitoring node；
(3) all communications of load circuit, signal and collection wire harness are connected into information gathering and processing module；
(4) all controlled output wire harness of load circuit are connected into control performing module；
(5) communication (CAN lines) of connection smart circuit management module (ICMA) and supporting wire harness；
(6) line related, detection, control and communication wire harness are accessed.
The job order of the electric automobile smart circuit management system is specific as follows：
(1) self-inspection after electricity in module, sets up communication contact between system；
(2) checked before load circuit is powered；
(3) load circuit low pressure is powered and checks；
(4) load circuit high pressure is powered and checks；
(5) load circuit works status monitoring and management.
In a kind of specific embodiment, in the pure electric box type logistic car truck chassis developed for certain factory, use
Smart circuit management system (ICMS).The module of smart circuit management system (ICMS) is installed in vehicle high-voltage distribution box,
High-tension distribution box is contained within the main circuit supervision part such as relay, fuse, high-pressure insert of load circuit, wire connection temperature
Degree sensor and circuit monitoring wire harness major part are assemblied in inside high-tension distribution box, and remaining wire harness is integrated in overall wire sheaves together
On, according to the quantity of monitor node, a number of control performing module of Rational choice, information gathering and processing module.Part
Function can need to be adjusted by software design patterns according to user.
The function of real steering vectors this systems, such as relay on-off SECO are normal, can prepare to monitor and judge height
Whether pressure plug-in unit connects the logic working state that can read each relay in place, and power-assisted steering oil pump can be controlled normal
Work, can upload and receive information data on CAN lines, etc..Involved management function can realize, Er Qieke
Control function is enriched with control software aspect, the diversified use demand of user is met.
It is right because it has smart circuit management module using the electric automobile smart circuit management system and its method
The load circuit of described electric vehicle is detected, monitored, and generates corresponding solution according to monitored results, can be with section
Learning the rational load circuit to electric vehicle carries out sufficiently effective specialized management, possesses intelligentized load circuit management
And coordination function, with realize independent closed-loop control with management, voluntarily judge and problem dispose, and can realize power distribution and when
Sequence control, circuit state monitoring, circuit information treatment, fast failure response with analysis, level of security failure Disposal Strategies, commonly
The detection of level faults Disposal Strategies, Energy Saving Control strategy and Circuit management system faults itself and treatment.The system has following
Feature：
It is specialized --- Circuit management is more professional, more perfect using function and security function；
It is information-based --- circuit state clear and definite, rapid line OBD；
Modularization --- functional independence, can be better controlled cooperation with other systems, and other control systems are facilitated indirectly
System is more full-time.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that can still make
Various modifications and alterations are without departing from the spirit and scope of the present invention.Therefore, specification and drawings are considered as illustrative
And it is nonrestrictive.
Claims (10)
1. a kind of electric automobile smart circuit management system, it is characterised in that described system includes control performing module, intelligence
Circuit management module and information gathering and processing module, and described control performing module and information gathering and processing module are equal
Load circuit with described smart circuit management module, the electric automobile is connected, wherein,
Described information gathering and processing module is used to gather load circuit information, and described load circuit information is sent to
Described smart circuit management module；
Described smart circuit management module is to the information gathering according to and the described load electricity of processing module collection
Road information, sends corresponding control information and the load circuit of described electric automobile is managed to described control performing module
Reason；
Described control performing module performs the controlled part phase with described load circuit to the control information according to
The controlled output of pass.
2. electric automobile smart circuit management system according to claim 1, it is characterised in that described smart circuit pipe
Reason module connects including a smart circuit administrative unit and the control interface being connected with the intelligent management unit respectively, external communication
Mouth, internal communication interface, debugging interface, power interface and status indicator lamp, wherein,
The built-in policy control software of described smart circuit administrative unit, and described smart circuit administrative unit passes through described
Policy control software, and be managed and control according to described load circuit information and to described load circuit
Described control interface is a CAN line interfaces, be used to by CAN lines realize described smart circuit management module with it is described
Control performing module information exchange；
Described external communication interface is a CAN line interfaces, be used to by CAN lines realize described smart circuit management module with
The information exchange of the outside of described system；
Described internal communication interface is a CAN line interfaces, is used to make described smart circuit management module and institute by CAN lines
The information gathering stated and the information exchange of processing module；
Described status indicator lamp is provided with different colours, is used to the state letter of the smart circuit management module for showing presently described
Breath.
3. electric automobile smart circuit management system according to claim 1, it is characterised in that described system also includes
One circuit monitoring wire harness and wire connection temperature sensor, and described circuit monitoring wire harness and described wire connection temperature
Sensor is connected with described information gathering and processing module, and
Described circuit monitoring wire harness is used to connect the monitor node in described load circuit and described information gathering and place
Reason module；
The temperature that described wire connection temperature sensor is used to monitor the high-tension line tie point in described load circuit becomes
Change, to obtain corresponding temperature information, and described temperature information is sent to described information gathering and processing module.
4. electric automobile smart circuit management system according to claim 3, it is characterised in that described load circuit
Monitor node includes the internal communication line in load circuit, sensor and holding wire, and described sensor includes air accumulator air pressure
Sensor, vacuum tank vacuum pressure sensor, ECL sensor and cooling-water temperature transmitter.
5. electric automobile smart circuit management system according to claim 1, it is characterised in that described load circuit
Controlled part includes high voltage electric equipment, low voltage equipment, high-voltage relay and low-voltage relay.
6. a kind of system based on any one of claim 1 to 5 realizes the side of electric automobile smart circuit management control
Method, it is characterised in that described method is comprised the following steps：
(1) system electrification described in, described smart circuit management system self-inspection, and by described information after self-inspection passes through
Collection and processing module are gathered and process load circuit information, to generate described and believe the described load circuit through processing
Breath is sent to described smart circuit management module；
(2) the smart circuit management module described in is analyzed treatment, and root to the load circuit information through processing for receiving
Corresponding control information is generated according to the load circuit information through processing；
(3) control information that the smart circuit management module described in is generated is sent to described control performing module, described
Control performing module control to corresponding load circuit is realized according to the control information.
7. it is according to claim 6 to realize the method that the management of electric automobile smart circuit is controlled, it is characterised in that described
Step (1) is specially：
Described system electrification, described smart circuit management system self-inspection, and adopted by described information after self-inspection passes through
Collection and processing module gather the load circuit information of described load circuit, and the load circuit information collected to it is sieved
Choosing, analog-to-digital conversion and translation, to obtain process circuit information, and are sent to described intelligence electricity by the process circuit information of gained
Road management module.
8. it is according to claim 6 to realize the method that the management of electric automobile smart circuit is controlled, it is characterised in that described
Smart circuit management module includes a smart circuit administrative unit and a debugging being connected with the smart circuit administrative unit
Interface, user can be input into a policy control software by described debugging interface to described smart circuit management module, described
Policy control software include load circuit failure sorted standard and corresponding solution, described load circuit failure sorted
Standard is used to carry out described load circuit information failure sorted, and described step (2) is specially：
The load circuit information that described smart circuit management module is received to it is analyzed treatment, obtains current failure
State, if described load circuit is faulty, described smart circuit management module is according to built-in policy control software
In load circuit information failure sorted standard described load circuit information is classified, and according to described load circuit
The classification results of information, and correspondence solution is obtained, described smart circuit management module generates phase according to the solution
The control information answered；Otherwise described smart circuit management module keeps constant.
9. it is according to claim 8 to realize the method that the management of electric automobile smart circuit is controlled, it is characterised in that described
Solution includes common grade failure Disposal Strategies, level of security failure Disposal Strategies and Energy Saving Control strategy.
10. it is according to claim 8 to realize the method that the management of electric automobile smart circuit is controlled, it is characterised in that described
Smart circuit management module in also include a status indicator lamp being connected with described smart circuit administrative unit, it is described
Also include a step before step (3)：
(3.0) solution of smart circuit management module described according to generates a corresponding enable signal, and sends
To described status indicator lamp, described status indicator lamp is controlled light color according to the enable signal.
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