CN104590160B - A kind of hybrid vehicle charging system and its control method - Google Patents
A kind of hybrid vehicle charging system and its control method Download PDFInfo
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- CN104590160B CN104590160B CN201410809308.0A CN201410809308A CN104590160B CN 104590160 B CN104590160 B CN 104590160B CN 201410809308 A CN201410809308 A CN 201410809308A CN 104590160 B CN104590160 B CN 104590160B
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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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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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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- 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
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- Sustainable Energy (AREA)
- Power Engineering (AREA)
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- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of hybrid vehicle charging system, including：Charging wire, for connecting external charge power supply and hybrid vehicle charging system；The charger being connected with charging wire, for performing charging instruction；The entire car controller being connected with charger, for receiving whole vehicle state information, judges charging voltage and charging current, and control charger performs charging instruction；The Vehicle Controller being connected with entire car controller and charger, for controlling related mobile unit；The mobile unit being connected with Vehicle Controller；The battery management system being connected with entire car controller and charger, the state for monitoring electrokinetic cell and high-voltage relay, and the status information of monitoring is transmitted to entire car controller；The electrokinetic cell being connected with battery management system；It is controlled by the high-voltage relay of battery management system, high-voltage relay is connected with electrokinetic cell, charger and Vehicle Controller.The charging system combines vehicle multiple system, optimizes charge control.
Description
Technical field
The present invention relates to hybrid power automobile power system field, more particularly to a kind of hybrid vehicle charging system
And its control method.
Background technology
21 century is the epoch of facing mankind energy bottleneck and environment challenge, when also will be that automobile faces new technology revolution
Generation, the orthodox car industry with oil as main energy sources will be transformed into one and be produced with the new and high technology that new energy is support
Industry, environmental protection and energy saving will also be increasingly becoming the opera involving much singing and action of development of automobile industry.
Hybrid vehicle is referred in an automobile, while using two kinds of power set and energy storage device, usually
Internal combustion engine, power motor and battery, make power set and energy storage device organic coordination work by advanced control system, pass through
The alternating current of power network can be converted into direct current storage in the battery as subsequent drive energy for external charge.
Existing charging device of electric automobile includes isolating transformer, rectification filtering module, charging module group and control of charging
System processed.Wherein, charge control system is connected with the charging module group, the quantity that control charging module is opened, however, charging
Control system is no and vehicle other systems are combined, i.e., can not learn the state of other systems, it is impossible to which what is be enough optimal fills
Electric control.
Thus, how to realize that charge control system is combined with vehicle other systems, optimize charge control, it is this area skill
The current technical issues that need to address of art personnel.
The content of the invention
It is an object of the invention to provide a kind of hybrid vehicle charging system, it is possible to achieve charge control system and vehicle
Other systems are combined, and optimize charge control.
In order to solve the above technical problems, the invention provides following technical scheme：
A kind of hybrid vehicle charging system, including：
Charging wire, for connecting external charge power supply with the hybrid vehicle charging system；
The charger being connected with the charging wire, for performing charging instruction；
The entire car controller being connected with the charger, for receiving whole vehicle state information, judges charging voltage and charging
Electric current, control charger performs charging instruction；
The Vehicle Controller being connected with the entire car controller and charger, for controlling related mobile unit；
The mobile unit being connected with the Vehicle Controller；
The battery management system being connected with the entire car controller and charger, for monitoring electrokinetic cell and high-voltage relay
The state of device, and the status information of monitoring is transmitted to entire car controller；
The electrokinetic cell being connected with the battery management system；
It is controlled by the high-voltage relay of the battery management system, the high-voltage relay and the electrokinetic cell, charging
Machine and Vehicle Controller are connected.
Preferably, the Vehicle Controller includes：Heat management system, electric machine controller and DC converter.
Preferably, the mobile unit includes：The power motor that is connected with the electric machine controller and become with the direct current
The lead-acid accumulators of parallel operation connection.
A kind of hybrid vehicle charging system control method, is applied to the hybrid vehicle described in any of the above-described and fills
Electric system, including：
Charging voltage according to electrokinetic cell obtains initial charge voltage；
Consumption power and the initial charge voltage according to Vehicle Controller calculate initial charge current；
Judge whether the initial charge voltage and initial charge current are in the preset threshold range of charger；
If the initial charge voltage and initial charge current are in the preset threshold range of charger, take first and fill
Electric current is initial charge current, takes charging voltage for initial charge voltage；
If the initial charge voltage and initial charge current are not in the preset threshold range of charger, first is taken
Charging current is the minimum value between initial charge current and charger preset threshold range maximum charging current, takes charging voltage
It is the minimum value between initial charge voltage and charger preset threshold range maximum charging voltage；
Judge whether first charging current is in the preset threshold range of charging wire；
If first charging current is in the preset threshold range of charging wire, it is the first charging electricity to take charging current
Stream；
If first charging current is not in the preset threshold range of charging wire, charging current is taken for first charges
Minimum value between electric current and charging wire preset threshold range maximum charging current；
The charging current and charging voltage are sent to charger, control charger performs charging instruction.
Preferably, also include：Judge whether electrokinetic cell charges to terminate；If power battery charging terminates, dormancy is vehicle-mounted
Controller, charger, battery management system and entire car controller；If power battery charging does not terminate, control charger continues
Perform charging instruction.
Preferably, the consumption power and the initial charge voltage according to Vehicle Controller calculate initial charge current tool
Body is：
The consumption power sum of DC converter and heat management system is calculated, by disappearing for DC converter and heat management system
Wasted work rate sum is divided by the initial charge voltage.
Preferably, also included before initial charge voltage is obtained according to the charging voltage of electrokinetic cell：
Judge whether electrokinetic cell meets preset charged condition；
If the electrokinetic cell meets preset charged condition, judge whether high-voltage relay meets default closure condition；
If the high-voltage relay meets default closure condition, judge whether Vehicle Controller and charger meet default
Condition of work；
If Vehicle Controller and charger meet preset operating conditions, enter electricity on horizontal high voltage, close the high-voltage relay
Device.
Preferably, judge whether Vehicle Controller and charger meet preset operating conditions and include：
Judge whether heat management system meets preset operating conditions；
If the heat management system meets preset operating conditions, judge whether charger meets preset operating conditions；
If the charger meets preset operating conditions, judge whether DC converter meets preset operating conditions.
Preferably, also include：
If electrokinetic cell is unsatisfactory for preset charged condition, high-voltage relay and is unsatisfactory for default closure condition, heat management system
It is unsatisfactory for that preset operating conditions, charger are unsatisfactory for preset operating conditions or DC converter is unsatisfactory for preset operating conditions, then
Vehicle Controller, charger, battery management system and entire car controller described in dormancy.
Compared with prior art, above-mentioned technical proposal has advantages below：
A kind of hybrid vehicle charging system that the embodiment of the present invention is provided, entire car controller can receive charger
And the electrokinetic cell of status information and the battery management system monitoring of Vehicle Controller and the status information etc. of high-voltage relay it is whole
Car status information, judges whether charging system needs to charge according to these whole vehicle state information, when charging is required, full-vehicle control
Device judges the size of charging voltage and charging current, and control charger is according to the charging voltage and charging current for judging to Charging
System is charged, and the charging system combines vehicle multiple system, and the status information control according to multiple systems is charged, and is optimized
Charge control.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
The hybrid vehicle charging system structural representation that Fig. 1 is provided by a kind of specific embodiment of the invention；
The hybrid vehicle charging system control method flow that Fig. 2 is provided by a kind of specific embodiment of the invention
Figure；
The charging decision flow chart that Fig. 3 is provided by a kind of specific embodiment of the invention.
Specific embodiment
Just as described in the background section, current charge control system is no and vehicle other systems are combined, i.e., not
The state of other systems can be learnt, it is impossible to the charge control being enough optimal.
On the basis of based on the studies above, a kind of hybrid vehicle charging system is the embodiment of the invention provides, including：
Charging wire, for connecting external charge power supply with the hybrid vehicle charging system；The charging being connected with the charging wire
Machine, for performing charging instruction；The entire car controller being connected with the charger, for receiving whole vehicle state information, judges to fill
Piezoelectric voltage and charging current, control charger perform charging instruction；The vehicle-mounted control being connected with the entire car controller and charger
Device processed, for controlling related mobile unit；The mobile unit being connected with the Vehicle Controller；With the entire car controller and fill
The battery management system of motor connection, the state for monitoring electrokinetic cell and high-voltage relay, and the status information that will be monitored
Transmit to entire car controller；The electrokinetic cell being connected with the battery management system；It is controlled by the height of the battery management system
Potential relay, the high-voltage relay is connected with the electrokinetic cell, charger and Vehicle Controller.
Accordingly, a kind of hybrid vehicle charging system control method is the embodiment of the invention provides, is applied to above-mentioned
The hybrid vehicle charging system stated, the control method includes：Charging voltage according to electrokinetic cell obtains initial charge electricity
Pressure；Consumption power and the initial charge voltage according to Vehicle Controller calculate initial charge current；Judge described initial
Whether charging voltage and initial charge current are in the preset threshold range of charger；If the initial charge voltage and initial
Charging current is in the preset threshold range of charger, then take the first charging current for initial charge current, takes charging voltage
It is initial charge voltage；If the initial charge voltage and initial charge current are not in the preset threshold range of charger,
It is the minimum value between initial charge current and charger preset threshold range maximum charging current then to take the first charging current, is taken
Charging voltage is the minimum value between initial charge voltage and charger preset threshold range maximum charging voltage；Judge described
Whether one charging current is in the preset threshold range of charging wire；If first charging current is in the default threshold of charging wire
In the range of value, then charging current is taken for the first charging current；If first charging current is not at the predetermined threshold value of charging wire
In the range of, then it is the minimum between the first charging current and charging wire preset threshold range maximum charging current to take charging current
Value；The charging current and charging voltage are sent to charger, control charger performs charging instruction.
The scheme that the embodiment of the present invention is provided, charging system combines vehicle multiple system, according to the shape of multiple systems
The control of state information is charged, and optimizes charge control.
In order that the above objects, features and advantages of the present invention can become apparent it is understandable, below in conjunction with the accompanying drawings to this hair
Bright specific embodiment is described in detail.
Elaborate detail in order to fully understand the present invention in the following description.But the present invention can with it is various not
It is same as other manner described here to implement, those skilled in the art can do class in the case of without prejudice to intension of the present invention
Like popularization.Therefore the present invention is not limited by following public specific embodiment.
Refer to Fig. 1, the hybrid vehicle charging system structure that Fig. 1 is provided by a kind of specific embodiment of the invention
Schematic diagram.
In a specific embodiment of the invention, a kind of hybrid vehicle charging system provided by the present invention,
Including：Charging wire 11, for connecting external charge power supply with the hybrid vehicle charging system；It is connected with the charging wire
Charger 12, for performing charging instruction；The entire car controller 13 being connected with the charger, for receiving whole vehicle state letter
Breath, judges charging voltage and charging current, and control charger performs charging instruction；It is connected with the entire car controller and charger
Vehicle Controller 14, for controlling related mobile unit；The mobile unit 15 being connected with the Vehicle Controller；It is whole with described
Vehicle controller and the battery management system 16 of charger connection, the state for monitoring electrokinetic cell and high-voltage relay, and will
The status information of monitoring is transmitted to entire car controller；The electrokinetic cell 17 being connected with the battery management system；It is controlled by described
The high-voltage relay 18 of battery management system, the high-voltage relay connects with the electrokinetic cell, charger and Vehicle Controller
Connect.
In the present embodiment, charger 12, Vehicle Controller 14, battery management system 16 and entire car controller 13 it is mutual it
Between be connected by CAN lines, for the transmission of whole vehicle state information in charging system, so-called CAN lines refer to international standard
In CAN bus, wherein, battery management system 16 carries out relevant control by rigid line to high-voltage relay 18.
When external charge is carried out, after charging wire 11 is connected with charger 12, charger 12 is waken up, vehicle is then waken up by charger 12
Controller 13, Vehicle Controller 14 and battery management system 16, battery management system 16 by the status information of electrokinetic cell 17 and
The status information of high-voltage relay 18 is sent to entire car controller 13, wherein, the status information of electrokinetic cell 17 includes power electric
Whether pond 17 allows whether the status information of charge information, high-voltage relay 18 allows closure information including high-voltage relay 18,
Charger 12 sends to entire car controller 13 status information of charger, and Vehicle Controller 14 believes the state of Vehicle Controller
Breath is sent to entire car controller 13, and entire car controller 13 judges whether closure according to the information that the above-mentioned each equipment for being received sends
High-voltage relay 18 carries out external charge.
When entire car controller 13 judges that closed high relay 18 carries out external charge, battery management system 16 is by power
The charge requirement information of battery 17 is sent to entire car controller 13；Vehicle Controller 14 is consumed power information and is sent to vehicle
Controller 13；Its maximum allowable charging voltage and charging current information are sent to entire car controller 13 by charger 12.Vehicle control
Device processed 13 obtains the initial of charger 12 according to the charge requirement information of electrokinetic cell 17, the consumption power of Vehicle Controller 14
Charging voltage and charging current information, then entire car controller 13 is with reference to initial charge voltage and charging current information, charger
12 maximum allowable charging voltage and charging current information and the maximum allowable charging voltage of charging wire 11 and charging current letter
Breath carries out COMPREHENSIVE CALCULATING, obtains requiring the charging voltage and charging current that charger 12 is performed.Wherein, it is desirable to which charger 12 is performed
Charging voltage no more than initial charge voltage information, the maximum allowable charging voltage information of charger 12 and charging wire 11
The requirement of maximum allowable charging voltage information；Simultaneously, it is desirable to which the charging current that charger 12 is performed is no more than initial charge current
The requirement of the maximum allowable charging current information of information, the maximum allowable charging current information of charger 12 and charging wire 11.
In the present embodiment, be combined for multiple systems of vehicle by hybrid vehicle charging system, and entire car controller is adopted
Collect the information of vehicle multiple system, realized the combination of charge control system and vehicle other systems, optimize charge control.
On the basis of above-described embodiment, the hybrid vehicle charging system that one embodiment of the invention is provided, its
The Vehicle Controller includes：Heat management system, electric machine controller and DC converter.
In the present embodiment, heat management system is consumed power information and is sent to entire car controller；DC converter will
Its consumption power information is sent to entire car controller.
On the basis of above-described embodiment, the hybrid vehicle charging system that one embodiment of the invention is provided, its
The mobile unit includes：The power motor being connected with the electric machine controller and the plumbic acid electricity being connected with the DC converter
Bottle.
A specific embodiment of the invention provides a kind of hybrid vehicle charging system control method, is applied to
Hybrid vehicle charging system described in any of the above-described embodiment, as shown in Fig. 2 including：
S101：Charging voltage according to electrokinetic cell obtains initial charge voltage.
After electricity completes external charge preparation on horizontal high voltage is entered, initial charge voltage is obtained, wherein, initial charge electricity
Charging voltage of the pressure equal to electrokinetic cell.
S102：Consumption power and the initial charge voltage according to Vehicle Controller calculate initial charge current.
The consumption power of Vehicle Controller is drawn into initial charge current divided by initial charge voltage.
S103：Judge whether the initial charge voltage and initial charge current are in the preset threshold range of charger
It is interior.
The preset threshold range of charger, i.e. charger receive the condition such as itself nominal charging voltage and specified charging current institute
One charging allowed band of limitation.
S104：If the initial charge voltage and initial charge current are in the preset threshold range of charger, take
First charging current is initial charge current, takes charging voltage for initial charge voltage.
S105：If the initial charge voltage and initial charge current are not in the preset threshold range of charger,
It is the minimum value between initial charge current and charger preset threshold range maximum charging current to take the first charging current, takes and fills
Piezoelectric voltage is the minimum value between initial charge voltage and charger preset threshold range maximum charging voltage.
When initial charge voltage and initial charge current are not in the charging allowed band of charger, more initially fill
Electric current and the maximum allowable charging current of charger, the first charging current take minimum value between the two；Similarly, charging voltage takes
Minimum value between initial charge voltage and the maximum allowable charging voltage of charger.
S106：Judge whether first charging current is in the preset threshold range of charging wire.
Similar to charger, the preset threshold range of charging wire is the charging that charging wire is limited by self-condition etc.
Allowed band.
S107：If first charging current is in the preset threshold range of charging wire, it is first to take charging current
Charging current.
S108：If first charging current is not in the preset threshold range of charging wire, it is the to take charging current
Minimum value between one charging current and charging wire preset threshold range maximum charging current.
When the first charging current is not in the charging allowed band of charging wire, charging current is taken for the first charging current
And the minimum value between the maximum allowable charging current of charging wire.
S109：The charging current and charging voltage are sent to charger, control charger performs charging instruction.
Charging voltage and charging current are sent to charger by entire car controller, and control requires that charger performs charging.
On the basis of above-described embodiment, the hybrid vehicle charging system control that one embodiment of the invention is provided
Method, also includes：Judge whether electrokinetic cell charges to terminate；If power battery charging terminates, dormancy Vehicle Controller, charging
Mechanical, electrical pond management system and entire car controller；If power battery charging does not terminate, control charger continues executing with charging and refers to
Order.
Battery management system sends to entire car controller the charging status information residing for electrokinetic cell, and entire car controller is sentenced
Whether disconnected electrokinetic cell completes charging, if electrokinetic cell completes charging, Vehicle Controller, charger, battery management system
System and the equipment such as entire car controller enter resting state so that hybrid vehicle charging system complete charge, it is to avoid power
Battery charging terminates and each system of vehicle or equipment throw away the in running order waste of energy for causing, while when avoiding long
Between charge the service life of electrokinetic cell impacted.
The hybrid vehicle charging system control method that one embodiment of the invention is provided, according to Vehicle Controller
Consumption power and the initial charge voltage calculate initial charge current and are specially：
The consumption power sum of DC converter and heat management system is calculated, by disappearing for DC converter and heat management system
Wasted work rate sum is divided by the initial charge voltage.
On the basis of above-described embodiment, the hybrid vehicle charging system control that one embodiment of the invention is provided
Method, as shown in figure 3, also including before initial charge voltage is obtained according to the charging voltage of electrokinetic cell：
S201：Judge whether electrokinetic cell meets preset charged condition.
After charging wire and charger are connected, charger in a dormant state is waken up, after charger is waken up, meeting
Battery management system, entire car controller and Vehicle Controller are correspondingly waken up, then battery management system is by battery status information
And its own status information is sent to entire car controller, judge whether electrokinetic cell allows to charge, can be pre- to electrokinetic cell
If charge condition, such as allow to charge just now when the electricity of electrokinetic cell is less than predetermined threshold value.
It should be noted that other preset charged conditions can also be set to electrokinetic cell, the present embodiment does not do herein
Limit, specifically depend on the circumstances.
S202：If the electrokinetic cell meets preset charged condition, judge whether high-voltage relay meets default closure
Condition.
S203：If the high-voltage relay meets default closure condition, judge whether Vehicle Controller and charger are full
Sufficient preset operating conditions.
S204：If Vehicle Controller and charger meet preset operating conditions, enter electricity on horizontal high voltage, close the high pressure
Relay.
When above-mentioned all conditions are met, enter electricity on horizontal high voltage, closed high relay completes the beam worker of external charge
Make.When charge control system in vehicle and/or the other systems being associated with charge control system can not be entered for some reason
During row charging work, charging system charge can be caused to damage to these systems, and charging system is being carried out to charge
Before journey, judge whether said system or equipment meet default condition, it is to avoid to the hurtful situation of these systems,
Improve the security of hybrid vehicle charging system.
On the basis of above-described embodiment, the hybrid vehicle charging system control that one embodiment of the invention is provided
Method, judges whether Vehicle Controller and charger meet preset operating conditions and include：
Judge whether heat management system meets preset operating conditions；
If the heat management system meets preset operating conditions, judge whether charger meets preset operating conditions；
If the charger meets preset operating conditions, judge whether DC converter meets preset operating conditions.
On the basis of above-described embodiment, the hybrid vehicle charging system control that one embodiment of the invention is provided
Method, also includes：
If electrokinetic cell is unsatisfactory for preset charged condition, high-voltage relay and is unsatisfactory for default closure condition, heat management system
It is unsatisfactory for that preset operating conditions, charger are unsatisfactory for preset operating conditions or DC converter is unsatisfactory for preset operating conditions, then
Vehicle Controller, charger, battery management system and entire car controller described in dormancy.
In the present embodiment, when above-mentioned each equipment is unsatisfactory for corresponding with each equipment pre-conditioned, each equipment of dormancy, both
The security of hybrid vehicle charging system is ensure that, the waste of electric energy is turn avoid.
In sum, hybrid vehicle charging system provided by the present invention and its control method, hybrid vehicle
Be combined for multiple systems of vehicle by charging system, and entire car controller acquires the information of vehicle multiple system, realizes charging
The combination of control system and vehicle other systems, charge condition is carried out to charge control system and other systems associated there
Judgement, optimize charge control, improve the security of charging system.
Detailed Jie has been carried out to a kind of hybrid vehicle charging system provided by the present invention and its control method above
Continue.Specific case used herein is set forth to principle of the invention and implementation method, and the explanation of above example is only
It is to be used to help understand the present invention and its core concept.It should be pointed out that for those skilled in the art,
Without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls
Enter in the protection domain of the claims in the present invention.
Claims (6)
1. a kind of hybrid vehicle charging system control method, it is characterised in that including：
Charging voltage according to electrokinetic cell obtains initial charge voltage；
Consumption power and the initial charge voltage according to Vehicle Controller calculate initial charge current；
Judge whether the initial charge voltage and initial charge current are in the preset threshold range of charger；
If the initial charge voltage and initial charge current are in the preset threshold range of charger, the first charging electricity is taken
It is initial charge current to flow, and takes charging voltage for initial charge voltage；
If the initial charge voltage and initial charge current are not in the preset threshold range of charger, the first charging is taken
Electric current is the minimum value between initial charge current and charger preset threshold range maximum charging current, and it is first to take charging voltage
Minimum value between beginning charging voltage and charger preset threshold range maximum charging voltage；
Judge whether first charging current is in the preset threshold range of charging wire；
If first charging current is in the preset threshold range of charging wire, charging current is taken for the first charging current；
If first charging current is not in the preset threshold range of charging wire, charging current is taken for the first charging current
And the minimum value between charging wire preset threshold range maximum charging current；
The charging current and charging voltage are sent to charger, control charger performs charging instruction.
2. hybrid vehicle charging system control method according to claim 1, it is characterised in that also include：
Judge whether electrokinetic cell charges to terminate；
If power battery charging terminates, dormancy Vehicle Controller, charger, battery management system and entire car controller；
If power battery charging does not terminate, control charger continues executing with charging instruction.
3. hybrid vehicle charging system control method according to claim 2, it is characterised in that according to vehicle-mounted control
The consumption power and the initial charge voltage of device calculate initial charge current and are specially：
The consumption power sum of DC converter and heat management system is calculated, by DC converter and the consumption work(of heat management system
Rate sum is divided by the initial charge voltage.
4. hybrid vehicle charging system control method according to claim 3, it is characterised in that according to power electric
The charging voltage in pond also includes before obtaining initial charge voltage：
Judge whether electrokinetic cell meets preset charged condition；
If the electrokinetic cell meets preset charged condition, judge whether high-voltage relay meets default closure condition；
If the high-voltage relay meets default closure condition, judge whether Vehicle Controller and charger meet default work
Condition；
If Vehicle Controller and charger meet preset operating conditions, enter electricity on horizontal high voltage, close the high-voltage relay.
5. hybrid vehicle charging system control method according to claim 4, it is characterised in that judge vehicle-mounted control
Whether device and charger meet preset operating conditions includes：
Judge whether heat management system meets preset operating conditions；
If the heat management system meets preset operating conditions, judge whether charger meets preset operating conditions；
If the charger meets preset operating conditions, judge whether DC converter meets preset operating conditions.
6. hybrid vehicle charging system control method according to claim 5, it is characterised in that also include：
It is unsatisfactory for default closure condition, heat management system and is discontented with if electrokinetic cell is unsatisfactory for preset charged condition, high-voltage relay
Sufficient preset operating conditions, charger are unsatisfactory for preset operating conditions or DC converter is unsatisfactory for preset operating conditions, then dormancy
The Vehicle Controller, charger, battery management system and entire car controller.
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Effective date of registration: 20200107 Address after: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Patentee after: Chongqing Chang'an Automobile Co., Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Co-patentee before: Chongqing Chang'an New Energy Automobile Co., Ltd. Patentee before: Chongqing Chang'an Automobile Co., Ltd. |