CN105182854B - A kind of charging pile distributed director - Google Patents
A kind of charging pile distributed director Download PDFInfo
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- CN105182854B CN105182854B CN201510602423.5A CN201510602423A CN105182854B CN 105182854 B CN105182854 B CN 105182854B CN 201510602423 A CN201510602423 A CN 201510602423A CN 105182854 B CN105182854 B CN 105182854B
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- 238000001514 detection method Methods 0.000 claims description 42
- 238000009413 insulation Methods 0.000 claims description 24
- 238000012544 monitoring process Methods 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 6
- 238000003708 edge detection Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000875 corresponding effect Effects 0.000 description 13
- 238000007689 inspection Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001282153 Scopelogadus mizolepis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25232—DCS, distributed control system, decentralised control unit
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of charging pile distributed director, microcontroller forms each intelligent function module with reference to corresponding functional circuit, and each intelligent function module is interconnected with main control unit by CAN bus, forms distributed director.Since the overall stability of distributed director depends on that minimum functional circuit of stability, the stability of charging pile controller is substantially increased, maintenance cost is reduced, easily investigates failure；Meanwhile the mode based on CAN bus interconnection between each intelligent function module and main control unit, it can flexibly carry, offloading functions module in bus so that charging pile controller extended capability of the invention is strong, applied widely.
Description
Technical field
The invention belongs to electric vehicle charge control technical fields, and in particular to a kind of charging pile distributed director.
Background technology
Electric vehicle with its it is pollution-free, noise is low, energy utilization rate is high, simple in structure, easy to maintenance the advantages that into
For one of China's strategic emerging industries, in " 12th Five-Year Plan " planning outline, country proposes that give priority to plug-in mixing moves
Power automobile, pure electric automobile and fuel cell car technology carry out plug-in hybrid-power automobile, pure electric automobile is researched and developed and big
Scale commercial demonstration project, Industrialization application.International weather tissue carries out 40 electric vehicle relevant industries experts
Interview, the results showed that the significance level of charging infrastructure construction ranking the 2nd in the numerous influence factors of Development of Electric Vehicles surpasses
Purchasing price factor has been crossed, has been only second to the battery technology improvement factor being ranked first.Basic, the key effect of electrically-charging equipment
Each side has reached common understanding.
Charging pile is the chief component of electrically-charging equipment, according to charge type, charging pile be divided into exchange stake, direct current stake,
Alternating current-direct current is double to be filled；According to charge port quantity be divided into a machine it is double fill, a machine four fills, a machine six fills.At present, for electric vehicle,
The national standard of electrically-charging equipment implementation is simultaneously not perfect, and each depot is proposed many differences and fills according to the condition and demand of itself
Electric vehicle electrically for electrically-charging equipment manufacturer, can only design different being customized of electric vehicle.
Controller is the key control unit of charging pile, and customization charging pile is equal to controller of automatic measurement substantially.At present, control
The design of device is mostly using centralized control, brain of the microcontroller chip as entire charging pile controller, periphery
Each functional circuit be all directly connected to microcontroller, it is unified to be controlled by microcontroller.This centerized fusion
Device has the following problems：First, stability is poor, any one minor issue will all cause entire controller to fail on controller, for example,
Assuming that there is 10 functional circuits on a circuit board, the stability of each functional circuit is 0.9, if using centralized Control side
Formula, then its overall stability is 0.910=0.3487, it can be seen that whole stability is compared to each functional circuit
Stability declines very much；2nd, expandability is poor, and the charging pile of one or several kinds of types can only be met by designing a controller
It uses, it is impossible to accomplish general；3rd, maintainable poor, it is difficult investigation that controller, which once goes wrong, and maintenance is big, scraps probability height,
Add cost.
The content of the invention
The object of the present invention is to provide a kind of charging pile distributed director, to solve charging pile control of the prior art
The problem of device stability processed is poor.
To achieve the above object, the solution of the present invention includes：
A kind of charging pile distributed director, including main control unit, exchange link control module and/or direct current connection control
Module, contacts of contactor detection module, input and output module, meter module and charger control module；Each module is all
Including respective controller and corresponding functional circuit；The exchange link control module and/or direct current link control module
Functional circuit is used to implement CC controls guiding, electronic lock control, accessory power supply controls, output contactor controls, DC/AC is defeated
Go out voltage acquisition and BMS communications；The functional circuit of the contacts of contactor detection module is used to implement the inspection of output contactor state
It surveys；The functional circuit of the input and output module is used to implement system mode and opens into detection, releases, pipette tips are ready etc. outputs control
System；The functional circuit of the meter module is used to implement electric quantity metering；The functional circuit of the charger control module is for real
Existing charger voltage and current output control, charger state-detection；The main control unit and contacts of contactor detection module, open into
Module, meter module, charger control module, exchange link control module and/or direct current link control module are outputed by one
CAN bus interconnects.
The charging pile distributed director further includes current divider current detection module, the current divider current detection module
Including respective microcontroller and corresponding functional circuit；The functional circuit of the current divider current detection module is used to implement defeated
Go out current detecting；The current divider current detection module connects the CAN bus.
The charging pile distributed director further includes insulation monitoring module, and the insulation monitoring module includes respective micro-
Controller and corresponding functional circuit；The functional circuit of the insulation monitoring module is used to implement Insulation monitoring；The insulation inspection
It surveys module and connects the CAN bus.
The charging pile distributed director further includes charging pipette tips temperature detecting module, the charging pipette tips temperature detection
Module includes respective microcontroller and corresponding functional circuit；The functional circuit of charging pipette tips temperature detecting module is used to implement
Charging pipette tips temperature detection；The charging pipette tips temperature detecting module connects the CAN bus.
The beneficial effects of the invention are as follows：Microcontroller forms each intelligent function module with reference to corresponding functional circuit, respectively
A intelligent function module is interconnected with main control unit by CAN bus, forms distributed director.Due to distributed director
Overall stability depend on minimum that functional circuit of stability, therefore substantially increase the stabilization of charging pile controller
Property, maintenance cost is reduced, easily investigates failure；Meanwhile CAN bus is based between each intelligent function module and main control unit
The mode of interconnection, can flexibly carry, offloading functions module in bus so that charging pile controller propagation energy of the invention
Power is strong, applied widely.
Meanwhile for the controller of centralized control of the prior art, software process is more, task is more, can only select
Operating system goes to realize software function, there is association between each process and task, and slightly modification may cause other unknown
Problem, software stability are low.And for the distributed director of the present invention, each intelligent function module is one simple soft
Part system, a corresponding task.It is interconnected between each intelligent function module by CAN bus, forms a big intelligence system.
As long as defining CAN communication agreement, distribute each intelligent cell address and priority with regard to that can come into operation.In this height
Poly-, lower coupling mode will substantially reduce Software for Design difficulty, improve software stability.
Description of the drawings
Fig. 1 is the controller principle structure chart of the embodiment of the present invention；
Fig. 2 is the direct-current charging post controller system figure of the embodiment of the present invention.
Specific embodiment
The present invention will be further described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, the charging pile distributed director of the present invention includes main control unit and each intelligent function module, it is main
Control unit connects each intelligent function module by CAN bus, each independent functional circuit combination microcontroller forms intelligence
Energy function module, microcontroller pass through interface that is built-in or setting and access CAN bus.
Main control unit is used to implement human-computer interaction and big data background communication, meanwhile, main control unit is also responsible for all extensions
The intelligent function module being connected in bus is monitored in real time, the operation conditions of each intelligent function module is detected, if any
One intelligent function module operation exception, then export warning.
Main control unit and each intelligent function module are communicated by CAN bus between each intelligent function module.CAN
Bus is a typical multi-master system, this causes any one the intelligent function module mounted in CAN bus all to have sovereignty,
Control operation can be carried out to other intelligent function modules.CAN bus is open simultaneously, can arbitrarily increase, reduce intelligence
Energy function module, is easy to extend.
Below with direct-current charging post controller, the charging operations of charging pile distributed director are described in detail.Such as
Shown in Fig. 2, direct-current charging post controller includes main control unit and each intelligent function module, main control unit are used to implement man-machine friendship
Mutually, background communication and the monitoring of intelligent function module status.
Each intelligent function module include direct current link control module, insulation monitoring module, contacts of contactor detection module,
Charging pipette tips temperature detecting module, current divider current detection module, input and output module, meter module and charger control mould
Block.
Modules all include respective controller and corresponding functional circuit；Direct current link control module is used to implement CC
Control guiding, electronic lock control, accessory power supply control, output contactor control, DC output voltage acquisition, BMS communications；Insulation
Detection module is used to implement Insulation monitoring；Contacts of contactor detection module is used to implement output contactor state-detection；Charging gun
Head temperature detecting module is used to implement charging pipette tips temperature detection；Current divider current detection module is used to implement output current inspection
It surveys；Input and output module is used to implement system mode and opens into detection, releases, pipette tips are ready etc. outputs control；Meter module is used for
Realize electric quantity metering；Charger control module is used to implement the output control of charger voltage and current, charger state-detection.
Main control unit and modules are communicated by CAN bus between modules.Modules pass through CAN bus
Core is passed into main control unit, notifies command information to corresponding receiving module also by CAN bus between modules,
By sending command signal to CAN bus, after corresponding receiving module detects command signal, corresponding actions are performed.
Controller after the power is turned on, each intelligent object self-test, by the status information of itself by giving master control list in CAN bus
Member, main control unit judges all intelligent object operating statuses, and is shown by man-machine interface；If any module operation exception of fruit,
Then outputting alarm.When modules normal operation, main control unit shows each module normal operation by human-computer interaction interface, side
Charging operations can be carried out, charging pipette tips could be inserted into electric car charging interface.
Direct current link control module detects the connection status of charging pipette tips, and after the completion of connection, control electronic lock is closed, control
Accessory power supply relay is closed, and sends charging handshake message to electric vehicle BMS, BMS, which receives message and replys, illustrates the standard that charges
Standby work has been completed.Status information at this time is passed to main control unit by direct current link control module by CAN bus, is led to simultaneously
Know insulation monitoring module, open Insulation monitoring.
Main control unit real-time tracking updates charged state, and what insulation monitoring module received that direct current link control module sends opens
After opening Insulation monitoring order, direct current link control module is replied, direct current link control module control output contactor is closed.When connecing
Tentaculum contact detection module confirms current output contactor in the closure state, notice charger control module control charger
Output voltage is used for Insulation monitoring.
Insulation monitoring module carries out Insulation monitoring to output busbar, and testing result is fed back to main control unit, leads to simultaneously
Know that charger control module stops charger voltage output；After charger control module stops charger voltage output, notice
Input and output module opens leadage circuit, is quickly released to charger output voltage, and vent discharge is disconnected after completion of releasing
Road.Output voltage is released after completion, and direct current link control module disconnects output contactor, the detection of contacts of contactor detection module
It is off to current output contactor, direct current link control module carries out charger parameter with BMS, vehicle parameter is known
Not；Cell voltage is acquired simultaneously, it is ensured that cell voltage is in the output voltage range of charger.Parameter matching is completed
Afterwards, direct current link control module is closed output contactor, and after contacts of contactor detection module confirms closure, charging flow is into just
Not-ready status.
BMS sends battery charge requirement voltage, electric current and battery charging state to direct current link control module in real time, directly
Demand voltage electric current is transmitted to charger control module by stream link control module, charger control module control charger according to
It is required that output.
In charging process, meter module in real time measures charge capacity, and metrical information is passed to main control unit；
Current divider current detection module is in real time detected output current, and output current information is passed to main control unit；It charges
Pipette tips temperature detecting module is in real time detected charging pipette tips temperature, and detection information is passed to main control unit；Master control list
Member monitors the operation detection state of each intelligent object in real time, runs into failure and in time correlation module is notified to be handled.
After battery is fully charged, BMS is sent to direct current link control module full of information, and direct current link control module is led to
Know that charger control module stops charger output, input and output module controls unlatching of releasing, after completion of releasing, direct current connection
Control module disconnects output contactor, disconnects accessory power supply relay, electronic lock unlock.Charging gun can be pulled up from vehicle afterwards
Head, charging complete.
It is embodiment upper, the charging pile distributed director further includes current divider current detection module, described point
Flowing device current detection module includes respective microcontroller and corresponding functional circuit, is used to implement output electric current measure.As
Other embodiment, the charging pile distributed director do not include current divider current detection module.
It is embodiment upper, the charging pile distributed director further includes insulation monitoring module, the Insulation monitoring
Module includes respective microcontroller and corresponding functional circuit, is used to implement Insulation monitoring.It is described as other embodiment
Charging pile distributed director does not include insulation monitoring module.
It is embodiment upper, the charging pile distributed director further includes charging pipette tips temperature detecting module, described
Charging pipette tips temperature detecting module includes respective microcontroller and corresponding functional circuit, is used to implement the inspection of charging pipette tips temperature
It surveys.As other embodiment, the charging pile distributed director does not include charging pipette tips temperature detecting module.
It is embodiment upper, the charging pile distributed director includes direct current link control module, Insulation monitoring mould
Block, contacts of contactor detection module, charging pipette tips temperature detecting module, current divider current detection module, input and output module, electricity
Table module and charger control module.As other embodiment, the charging pile distributed director further includes air pressure intelligence
Function module, such as exchange link control module, display module.
Claims (4)
1. a kind of charging pile distributed director, it is characterised in that：Including main control unit, exchange link control module and/or straight
Flow link control module, contacts of contactor detection module, input and output module, meter module and charger control module；Institute
Stating each module all includes respective controller and corresponding functional circuit；The exchange link control module and/or direct current connection
The functional circuit of control module is used to implement CC controls guiding, electronic lock controls, accessory power supply controls, output contactor controls,
DC/AC output voltage gathers and BMS communications；The functional circuit of the contacts of contactor detection module is used to implement output and connects
Tentaculum state-detection；The functional circuit of the input and output module is used to implement system mode and opens into detection, release, pipette tips it is ready
Output control；The functional circuit of the meter module is used to implement electric quantity metering；The functional circuit of the charger control module
It is used to implement the output control of charger voltage and current, charger state-detection；The main control unit and contacts of contactor detection mould
Block, input and output module, meter module, charger control module, exchange link control module and/or direct current link control module
It is interconnected by a CAN bus, is communicated between main control unit and each module and between each module by CAN bus.
2. charging pile distributed director according to claim 1, it is characterised in that：The charging pile distributed director
Current divider current detection module is further included, the current divider current detection module includes respective microcontroller and corresponding function
Circuit；The functional circuit of the current divider current detection module is used to implement output electric current measure；The current divider current detecting
Module connects the CAN bus.
3. charging pile distributed director according to claim 1, it is characterised in that：The charging pile distributed director
Insulation monitoring module is further included, the insulation monitoring module includes respective microcontroller and corresponding functional circuit；It is described exhausted
The functional circuit of edge detection module is used to implement Insulation monitoring；The insulation monitoring module connects the CAN bus.
4. charging pile distributed director according to claim 1, it is characterised in that：The charging pile distributed director
Further include charging pipette tips temperature detecting module, the charging pipette tips temperature detecting module includes respective microcontroller and corresponding
Functional circuit；The functional circuit of charging pipette tips temperature detecting module is used to implement charging pipette tips temperature detection；The charging pipette tips
Temperature detecting module connects the CAN bus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510602423.5A CN105182854B (en) | 2015-09-21 | 2015-09-21 | A kind of charging pile distributed director |
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| CN201510602423.5A CN105182854B (en) | 2015-09-21 | 2015-09-21 | A kind of charging pile distributed director |
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| CN105182854A CN105182854A (en) | 2015-12-23 |
| CN105182854B true CN105182854B (en) | 2018-05-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106786970A (en) * | 2017-01-19 | 2017-05-31 | 浙江邻居智能科技有限公司 | A kind of intelligent charging spot mainframe control system and assembling method of testing |
| CN107065972B (en) * | 2017-06-26 | 2023-01-20 | 凯迈(洛阳)电子有限公司 | Direct current charger with charging gun temperature monitoring module |
| CN114793186A (en) * | 2021-12-10 | 2022-07-26 | 舒继锋 | Multi-master power supply communication system, method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003339118A (en) * | 2002-05-22 | 2003-11-28 | My Way Giken Kk | Distributed power supply system |
| CN202268901U (en) * | 2011-09-01 | 2012-06-06 | 珠海博威智能电网有限公司 | Distributed controller for simple communication |
| CN102496971B (en) * | 2011-11-15 | 2013-12-18 | 国家电网公司 | Electric vehicle recharge/replacement power station monitoring system based on virtual reality technology |
| CN103427458B (en) * | 2013-07-26 | 2015-08-19 | 国家电网公司 | A kind of charging pile with multi output function |
| CN103904737B (en) * | 2014-03-18 | 2017-11-10 | 国家电网公司 | A kind of one two electric automobile direct-current charging post filled |
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