CN105182854A - Charging pile distributed controller - Google Patents
Charging pile distributed controller Download PDFInfo
- Publication number
- CN105182854A CN105182854A CN201510602423.5A CN201510602423A CN105182854A CN 105182854 A CN105182854 A CN 105182854A CN 201510602423 A CN201510602423 A CN 201510602423A CN 105182854 A CN105182854 A CN 105182854A
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- module
- charging
- functional circuit
- charging pile
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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)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a charging pile distributed controller. The charging pile distributed controller is characterized in that microcontrollers are combined with the corresponding functional circuits to form the intelligent functional modules, and the intelligent functional modules and a main control unit are connected mutually via CAN buses to form the distributed controller. The overall stability of the distributed controller depends on the functional circuit having the lowest stability, so that that the stability of a charging pile controller is improved substantially, the maintenance cost is reduced, and the faults are easy to check. Meanwhile, the intelligent functional modules and the main control unit are connected mutually based on the CAN buses, so that the functional modules can be loaded and unloaded on the buses flexibly, and the charging pile controller of the present invention is strong in expansion capability and wide in application range.
Description
Technical field
The invention belongs to charging electric vehicle control technology field, be specifically related to a kind of charging pile distributed director.
Background technology
The advantages such as electric automobile is pollution-free with it, noise is low, energy utilization rate is high, structure is simple, easy to maintenance have become one of China's emerging strategic industries, in " 12 " planning outline, country proposes to give priority to plug-in hybrid-power automobile, pure electric automobile and fuel cell car technology, carry out plug-in hybrid-power automobile, pure electric automobile research and development and large-scale commercial demonstration project, Industrialization is applied.International weather tissue carries out interview to 40 electric automobile relevant industries experts, result shows significance level rank the 2nd in the numerous influence factor of Development of Electric Vehicles of charging infrastructure construction, exceed purchasing price factor, be only second to the battery technology improvement factor be ranked first.Basic, the key effect each side of electrically-charging equipment reaches common understanding.
Charging pile is the chief component of electrically-charging equipment, and according to charge type, charging pile is divided into interchange stake, direct current stake, alternating current-direct current is two fills; Be divided into a machine two to fill according to charge port quantity, a machine four fills, a machine six fills.At present, for electric automobile, electrically-charging equipment carry out national standard and imperfection, each depot, according to the condition of self and demand, is proposed the electric automobile of many different charging modes, for electrically-charging equipment manufacturer, customization design can only be carried out to different electric automobiles.
Controller is the key control unit of charging pile, and customization charging pile substantially just equals controller of automatic measurement.At present, the design of controller adopts centralized control more, and microcontroller chip is as the brain of whole charging pile controller, and each peripheral functional circuit is all directly connected with microcontroller, the unified control by microcontroller.There is following problem in this centerized fusion device: one, poor stability, on controller, any one minor issue all will cause whole controller to lose efficacy, such as, suppose that a circuit board has 10 functional circuits, the stability of each functional circuit is 0.9, if employing centralized control, so its resistance to overturning is 0.9
10=0.3487, can find out that overall stability declines a lot compared to the stability of each functional circuit; Two, expandability is poor, designs the charging pile use that a controller can only meet one or several types, can not accomplish general; Three, maintainable poor, controller is difficult to investigation once go wrong, and maintenance is large, scraps probability high, adds cost.
Summary of the invention
The object of this invention is to provide a kind of charging pile distributed director, in order to solve the problem of charging pile controller poor stability of the prior art.
For achieving the above object, the solution of the present invention comprises:
A kind of charging pile distributed director, comprises main control unit, exchanges link control module and/or direct current link control module, contacts of contactor detection module, input and output module, ammeter module and charging set control module; Described each module all comprises respective controller and corresponding functional circuit; The functional circuit of described interchange link control module and/or direct current link control module is used for realizing CC control guiding, electronic lock controls, accessory power supply controls, output contactor controls, the collection of AC/DC output voltage communicates with BMS; The functional circuit of described contacts of contactor detection module is used for realizing output contactor state-detection; The functional circuit of described input and output module is used for realizing system state and opens into detection, and release, rifle head is ready etc. outputs control; The functional circuit of described ammeter module is used for realizing electric quantity metering; The functional circuit of described charging set control module is used for realizing charging set electric current and voltage and exports control, charging set state-detection; Described main control unit and contacts of contactor detection module, input and output module, ammeter module, charging set control module, exchange link control module and/or direct current link control module is connected to each other by a CAN.
Described charging pile distributed director also comprises shunt current detection module, and described shunt current detection module comprises respective microcontroller and corresponding functional circuit; The functional circuit of described shunt current detection module is used for realizing output electric current measure; Described shunt current detection module connects described CAN.
Described charging pile distributed director also comprises insulation monitoring module, and described insulation monitoring module comprises respective microcontroller and corresponding functional circuit; The functional circuit of described insulation monitoring module is used for realizing Insulation monitoring; Described insulation monitoring module connects described CAN.
Described charging pile distributed director also comprises charging gun head temperature detecting module, and described charging gun head temperature detecting module comprises respective microcontroller and corresponding functional circuit; The functional circuit of charging gun head temperature detecting module is used for realizing charging gun head temperature detection; Described charging gun head temperature detecting module connects described CAN.
The invention has the beneficial effects as follows: microcontroller combines corresponding functional circuit and forms each intelligent function module, and each intelligent function module and main control unit are connected to each other by CAN, form distributed director.Resistance to overturning due to distributed director depends on and therefore substantially increases that functional circuit that stability is minimum the stability of charging pile controller, reduce maintenance cost, easily investigate fault; Meanwhile, the mode interconnected based on CAN between each intelligent function module and main control unit, can carry, offloading functions module in bus flexibly, makes charging pile controller extended capability of the present invention strong, applied widely.
Meanwhile, for the controller of centralized control of the prior art, software process is many, task is many, operating system can only be selected to go to realize software function, there is association between each process and task, amendment just may cause other unknown problems a little, and software stability is low.And for distributed director of the present invention, each intelligent function module is simple software systems, a corresponding task.Interconnected by CAN between each intelligent function module, form a large intelligent system.As long as define CAN communication agreement, the address and the priority that distribute each intelligent cell just can come into operation.This high cohesion, low coupling scheme will reduce Software for Design difficulty greatly, improve software stability.
Accompanying drawing explanation
Fig. 1 is the controller principle structural drawing 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.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
As shown in Figure 1, charging pile distributed director of the present invention comprises main control unit and each intelligent function module, main control unit connects each intelligent function module by CAN, independently functional circuit is in conjunction with microcontroller formation intelligent function module for each, and microcontroller is by interface access CAN that is built-in or that arrange.
Main control unit is used for realizing man-machine interaction and large data background communication, simultaneously, main control unit is also responsible for carrying out Real-Time Monitoring to all intelligent function modules be articulated in bus, detect the operation conditions of each intelligent function module, if any one intelligent function module operation exception, then export warning.
Main control unit and each intelligent function module, all communicated by CAN between each intelligent function module.CAN is a typical multi-master system, and this makes any one intelligent function module that CAN mounts all have sovereignty, can carry out control operation to other intelligent function modules.CAN is open simultaneously, can increase arbitrarily, reduce intelligent function module, is easy to expansion.
Below with direct-current charging post controller, the charging operations of charging pile distributed director is described in detail.As shown in Figure 2, direct-current charging post controller comprises main control unit and each intelligent function module, and main control unit is used for realizing man-machine interaction, Background communication and intelligent function module status and monitors.
Each intelligent function module comprises direct current link control module, insulation monitoring module, contacts of contactor detection module, charging gun head temperature detecting module, shunt current detection module, input and output module, ammeter module and charging set control module.
Modules all comprises respective controller and corresponding functional circuit; Direct current link control module is used for realizing CC and controls guiding, electronic lock control, accessory power supply control, output contactor control, VD collection, BMS communication; Insulation monitoring module is used for realizing Insulation monitoring; Contacts of contactor detection module is used for realizing output contactor state-detection; Charging gun head temperature detecting module is used for realizing charging gun head temperature detection; Shunt current detection module is used for realizing output electric current measure; Input and output module is used for realizing system state and opens into detection, and release, rifle head is ready etc. outputs control; Ammeter module is used for realizing electric quantity metering; Charging set control module is used for realizing charging set electric current and voltage and exports control, charging set state-detection.
Main control unit and modules, all communicated by CAN between modules.Core is passed to main control unit by CAN by modules, also by CAN, command information is informed to corresponding receiver module between modules, by sending command signal to CAN, after corresponding receiver module detects command signal, perform corresponding actions.
After controller powers on, each intelligent object self-inspection, by the status information of self by CAN gives main control unit, main control unit judges all intelligent object running statuses, and is shown by man-machine interface; If the arbitrary module operation exception of fruit, then outputting alarm.When modules normally runs, main control unit shows each module normal operation by human-computer interaction interface, can carry out charging operations, charging gun head could be inserted electric car charging interface.
Direct current link control module detects the connection status of charging gun head, after having connected, controls electronic lock and closes, control accessory power supply relay closes, send charging handshake message to electric automobile BMS, and BMS receives message and replys and illustrates that charging preliminary work completes.Status information is now passed to main control unit by CAN by direct current link control module, notifies insulation monitoring module simultaneously, opens Insulation monitoring.
Main control unit real-time follow-up upgrades charged state, after insulation monitoring module receives the unlatching Insulation monitoring order that direct current link control module sends, replys direct current link control module, and direct current link control module controls output contactor and closes.When contacts of contactor detection module confirms that current output contactor is in closure state, notice charging set control module controls charging set output voltage, for Insulation monitoring.
Insulation monitoring module carries out Insulation monitoring to output bus, and testing result is fed back to main control unit, notifies that charging set control module stops charging set voltage to export simultaneously; After charging set control module stops the output of charging set voltage, notice input and output module opens leadage circuit, releases fast, disconnect leadage circuit after having released to charging set output voltage.After output voltage has been released, direct current link control module disconnects output contactor, and contacts of contactor detection module detects that current output contactor is in off-state, and direct current link control module and BMS carry out charging set parameter, vehicle parameter identification; Cell voltage is gathered simultaneously, guarantee that cell voltage is in the output voltage range of charging set.After parameter matching completes, direct current link control module closes output contactor, and after the confirmation of contacts of contactor detection module is closed, charging flow enters ready state.
BMS sends battery charge requirement voltage, electric current and battery charging state to direct current link control module in real time, and demand voltage electric current is transmitted to charging set control module by direct current link control module, and charging set control module controls charging set and exports as requested.
In charging process, ammeter module is measured charge capacity in real time, and metrical information is passed to main control unit; Shunt current detection module detects output current in real time, and output current information is passed to main control unit; Charging gun head temperature detecting module detects charging gun head temperature in real time, and Detection Information is passed to main control unit; The operation detected state of each intelligent object of main control unit Real-Time Monitoring, runs into fault and notifies that correlation module processes in time.
After battery is full of electricity, BMS sends to direct current link control module and is full of information, direct current link control module notice charging set control module stops charging set exporting, input and output module controlled discharge is opened, after having released, direct current link control module disconnects output contactor, disconnects accessory power supply relay, and electronic lock unlocks.Charging gun head can be pulled up, charging complete afterwards from car.
Upper be in embodiment, described charging pile distributed director also comprises shunt current detection module, and described shunt current detection module comprises respective microcontroller and corresponding functional circuit, for realizing output electric current measure.As other embodiments, described charging pile distributed director does not comprise shunt current detection module.
Upper be in embodiment, described charging pile distributed director also comprises insulation monitoring module, and described insulation monitoring module comprises respective microcontroller and corresponding functional circuit, for realizing Insulation monitoring.As other embodiments, described charging pile distributed director does not comprise insulation monitoring module.
Upper be in embodiment, described charging pile distributed director also comprises charging gun head temperature detecting module, and described charging gun head temperature detecting module comprises respective microcontroller and corresponding functional circuit, for realizing charging gun head temperature detection.As other embodiments, described charging pile distributed director does not comprise charging gun head temperature detecting module.
Upper be in embodiment, described charging pile distributed director comprises direct current link control module, insulation monitoring module, contacts of contactor detection module, charging gun head temperature detecting module, shunt current detection module, input and output module, ammeter module and charging set control module.As other embodiments, described charging pile distributed director also comprises air pressure intelligent function module, as exchanged link control module, display module etc.
Claims (4)
1. a charging pile distributed director, is characterized in that: comprise main control unit, exchange link control module and/or direct current link control module, contacts of contactor detection module, input and output module, ammeter module and charging set control module; Described each module all comprises respective controller and corresponding functional circuit; The functional circuit of described interchange link control module and/or direct current link control module is used for realizing CC control guiding, electronic lock controls, accessory power supply controls, output contactor controls, the collection of AC/DC output voltage communicates with BMS; The functional circuit of described contacts of contactor detection module is used for realizing output contactor state-detection; The functional circuit of described input and output module is used for realizing system state and opens into detection, and release, rifle head is ready etc. outputs control; The functional circuit of described ammeter module is used for realizing electric quantity metering; The functional circuit of described charging set control module is used for realizing charging set electric current and voltage and exports control, charging set state-detection; Described main control unit and contacts of contactor detection module, input and output module, ammeter module, charging set control module, exchange link control module and/or direct current link control module is connected to each other by a CAN.
2. charging pile distributed director according to claim 1, is characterized in that: described charging pile distributed director also comprises shunt current detection module, and described shunt current detection module comprises respective microcontroller and corresponding functional circuit; The functional circuit of described shunt current detection module is used for realizing output electric current measure; Described shunt current detection module connects described CAN.
3. charging pile distributed director according to claim 1, is characterized in that: described charging pile distributed director also comprises insulation monitoring module, and described insulation monitoring module comprises respective microcontroller and corresponding functional circuit; The functional circuit of described insulation monitoring module is used for realizing Insulation monitoring; Described insulation monitoring module connects described CAN.
4. charging pile distributed director according to claim 1, it is characterized in that: described charging pile distributed director also comprises charging gun head temperature detecting module, described charging gun head temperature detecting module comprises respective microcontroller and corresponding functional circuit; The functional circuit of charging gun head temperature detecting module is used for realizing charging gun head temperature detection; Described charging gun head temperature detecting module connects described CAN.
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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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Cited By (3)
| 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 |
| CN107065972A (en) * | 2017-06-26 | 2017-08-18 | 凯迈(洛阳)电子有限公司 | A kind of DC charging motor and its temperature control method 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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| CN105182854B (en) | 2018-05-29 |
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