CN202888868U - Charging station device with kilowatt-hour metering function and battery managing function - Google Patents
Charging station device with kilowatt-hour metering function and battery managing function Download PDFInfo
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- CN202888868U CN202888868U CN2012200495763U CN201220049576U CN202888868U CN 202888868 U CN202888868 U CN 202888868U CN 2012200495763 U CN2012200495763 U CN 2012200495763U CN 201220049576 U CN201220049576 U CN 201220049576U CN 202888868 U CN202888868 U CN 202888868U
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Abstract
The utility model relates to a piece of large-power rapid charging equipment, and especially relates to a charging station device with a kilowatt-hour metering function and a battery managing function. The charging station device at least comprises a battery managing unit (1), a digital high-frequency switch power supply (2), an electric energy metering unit (3) and a control unit (4). The digital high-frequency switch power supply (2), the electric energy metering unit (3) and the control unit (4) form a charger body (5). After passing through the battery managing unit (1), an AC (Alternating Current) input power supply (6) is input to the input end of the digital high-frequency switch power supply (2). The output end of the digital high-frequency switch power supply (2) is electrically connected with the input end of the battery managing unit (1). The digital high-frequency switch power supply (2) and the electric energy metering unit (3) are electrically connected with the control unit (4) in a networking way through a controller local network (7). A multiprotocol communication interface card in the controller local network (7) makes the communication data of the digital high-frequency switch power supply (2) and the electric energy metering unit (3), the CAN communication data of the battery managing unit (1) outside the charger body (5), and the communication data of a monitoring host computer (8) transmitted to the control unit (4). The control unit (4) then performs charging management on a battery (9) according to the received data.
Description
Technical field
The utility model relates to a kind of high-power fast charge equipment, particularly has the charging device of watt metering and battery management.
Background technology
Electric automobile or title new-energy automobile, it is a kind of noiseless for China's urban and suburban roads exploitation, the vehicles of the environmental protection of non-exhaust emission also are the great general plans that national energy-saving reduces discharging.In February, 2009, national four ministries and commissions are that board is awarded in 13 energy-conservation and new-energy automobile Demonstration And Extension experimental cities.Put into effect " automobile industry adjustment and development planning detailed rules and regulations " in March, 2009.To put into effect the policy of encouraging the consumption of new forms of energy car in June, 2009.To revise government's car for public affairs buying way in June, 2009, independent brand automobile ratio must not be lower than 50%.To release the automobile fuel consumption limit value in October, 2009, collect taxes to being higher than oil consumption limit value vehicle.To release new-energy automobile infrastructure construction planning in December, 2009, set up the electric vehicle rapid charging network.
High-power fast charge equipment more than 100 kilowatts has dual mode at present, the one, the thyristor technology, the 2nd, the HF switch technology, the thyristor technology comprises: rectifier transformer (120KVA), reactor, filter capacitor, thyristor and radiator, blower fan, on-off control system, thyristor Triggering Control System.It is characterized in that: the large weight of the capacity of transformer and reactor is large, volume large, filter capacitor quantity is many, ripple coefficient is high, and power source integral weight is large, and large, the mobile transportation of volume is inconvenient.The HF switch technology comprises: rectifier bridge, input reactance device, inverter bridge, high frequency transformer, high-frequency rectification circuit, output filtering reactor, capacitor.The superiority-inferiority of HF switch technology is: high frequency transformer and reactor volume are little, lightweight, filter capacitor quantity is few, the specification requirement of ripple coefficient Grain Full foot is convenient, and power source integral is lightweight, little, the mobile convenient transportation of volume.
The main classical insulation of thyristor technology and HF switch technology relatively
Summary of the invention
The purpose of this utility model provides and a kind ofly can and can automatically terminate operation according to input overcurrent, excess temperature situation according to electrical network overvoltage, under-voltage, overfrequency, under-frequency.Can automatically terminate according to output overvoltage, overcurrent, excess temperature the charging device with watt metering and battery management of operation.
The purpose of this utility model is to realize like this, charging device with watt metering and battery management, which comprises at least: battery management unit 1, numeral high frequency switch power 2, electric energy metrical unit 3 and control unit 4, numeral high frequency switch power 2, electric energy metrical unit 3 and control unit 4 consist of charger body 5, alternating current input power supplying 6 is input to digital high frequency switch power 2 inputs after by battery management unit 1, numeral high frequency switch power 2 outputs are electrically connected with battery management unit 1 input, numeral high frequency switch power 2 and electric energy metrical unit 3 are electrically connected with control unit 4 networks by controller local area network 7, multi-protocol communication interface card in the controller local area network 7 transfers to control unit 4 with CAN communication data and monitoring host computer 8 communication datas of the battery management unit 1 (BMS) of the communication data of digital high frequency switch power 2 and electric energy metrical unit 3 and charger body 5 outsides, according to accepting data battery 9 is carried out Charge Management by control unit 4.
Described digital high frequency switch power 2 comprises: EMC and surge current control circuit 202; a rectification and filter circuit 203; single-ended flyback DC/DC power inverter 204; secondary rectification and filter circuit 205 and constant current; constant voltage outputting circuit 206; constant voltage outputting circuit 206 is electrically connected with two electrodes of battery 9; constant current; be connected with overcurrent between constant voltage outputting circuit 206 and the single-ended flyback DC/DC power inverter 204; overvoltage; overheated and under-voltage signal sample circuit 208; photoelectric coupling buffer circuit 209 and overcurrent; overvoltage; overheated and under-voltage protecting circuit 210; overcurrent; overvoltage; overheated and under-voltage signal sample circuit 208 is with overcurrent; overvoltage; overheated and under-voltage signal is processed by photoelectric coupling buffer circuit 209 isolated controlling overcurrents through amplifying; overvoltage; overheated and under-voltage protecting circuit 210; pass through overcurrent; overvoltage; overheated and under-voltage protecting circuit 210 is adjusted 204 outputs of single-ended flyback DC/DC power inverter, makes constant current; voltage or the electric current of constant voltage outputting circuit 206 stable outputs.
Described electric energy metrical unit 3 comprises: voltage branch circuit 301, current transformer 302, integrating metrology circuit 303, from data processor 304, master data processor 305, LCD display 313, time circuit 306, communication interface 307, IC-card interface 308, keyboard 309, battery 310, inner memory 311, pulse output end mouth 312, power supply 314; Master data processor 305 is electrically connected respectively with from data processor 304, LCD display 313, time circuit 306, communication interface 307, IC-card interface 308, keyboard 309, inner memory 311 by I/O; Be connected with pulse output end mouth 312 from data processor 304; Voltage branch circuit 301 summation current transformers 302 are electrically connected with integrating metrology circuit 303 input ports respectively, integrating metrology circuit 303 be electrically connected from data processor 304, power supply 314 provides required working power.
The utility model has the advantages that: 1. distributed frame, 2. high-frequency digital Switching power supply; 3. possess reliable defencive function, can automatically terminate operation according to situations such as electrical network overvoltage, under-voltage, overfrequency, under-frequency, can automatically terminate operation according to input overcurrent, excess temperature situation.Can automatically terminate operation according to output overvoltage, overcurrent, excess temperature.4. be furnished with communication interface, can realize the computer remote monitoring.5. be equipped with the electric power meter of state net company and authorized by state, and can according to requirement metering electric weight and the charging of rules and regulations, can implement to remove operation or continuous service according to the metering situation.6. be equipped with the BMS communication monitoring and the corresponding software that meet national standard, automatically identify the adjustment charging modes according to situations such as the voltage of on-vehicle battery, capacity, temperature, electric currents, farthest guarantee the use safety of battery and prolong useful life of battery.
The utility model is described in further detail below in conjunction with the embodiment accompanying drawing:
Description of drawings
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is digital hf switching power supply schematic diagram;
Fig. 3 is electric energy metrical unit and control unit circuit theory diagrams;
Fig. 4 is control flow chart.
Among the figure, 1, battery management unit; 2, digital high frequency switch power; 3, electric energy metrical unit; 4, control unit; 5, charger body; 6, alternating current input power supplying; 7, controller local area network; 8, monitoring host computer; 9, battery.
Embodiment
As shown in Figure 1, charging device with watt metering and battery management, which comprises at least: battery management unit 1, numeral high frequency switch power 2, electric energy metrical unit 3 and control unit 4, numeral high frequency switch power 2, electric energy metrical unit 3 and control unit 4 consist of charger body 5, alternating current input power supplying 6 is input to digital high frequency switch power 2 inputs after by battery management unit 1, numeral high frequency switch power 2 outputs are electrically connected with battery management unit 1 input, numeral high frequency switch power 2 and electric energy metrical unit 3 are electrically connected with control unit 4 networks by controller local area network 7, multi-protocol communication interface card in the controller local area network 7 transfers to control unit 4 with CAN communication data and monitoring host computer 8 communication datas of the battery management unit 1 (BMS) of the communication data of digital high frequency switch power 2 and electric energy metrical unit 3 and charger body 5 outsides, according to accepting data battery 9 is carried out Charge Management by control unit 4.
As shown in Figure 2; numeral high frequency switch power 2 comprises: EMC and surge current control circuit 202; a rectification and filter circuit 203; single-ended flyback DC/DC power inverter 204; secondary rectification and filter circuit 205 and constant current; constant voltage outputting circuit 206; constant voltage outputting circuit 206 is electrically connected with two electrodes of battery 9; constant current; be connected with overcurrent between constant voltage outputting circuit 206 and the single-ended flyback DC/DC power inverter 204; overvoltage; overheated and under-voltage signal sample circuit 208; photoelectric coupling buffer circuit 209 and overcurrent; overvoltage; overheated and under-voltage protecting circuit 210; overcurrent; overvoltage; overheated and under-voltage signal sample circuit 208 is with overcurrent; overvoltage; overheated and under-voltage signal is processed by photoelectric coupling buffer circuit 209 isolated controlling overcurrents through amplifying; overvoltage; overheated and under-voltage protecting circuit 210; pass through overcurrent; overvoltage; overheated and under-voltage protecting circuit 210 is adjusted 204 outputs of single-ended flyback DC/DC power inverter, makes constant current; voltage or the electric current of constant voltage outputting circuit 206 stable outputs.
As shown in Figure 3, electric energy metrical unit 3 comprises: voltage branch circuit 301, current transformer 302, integrating metrology circuit 303, from data processor 304, master data processor 305, LCD display 313, time circuit 306, communication interface 307, IC-card interface 308, keyboard 309, battery 310, inner memory 311, pulse output end mouth 312, power supply 314; Master data processor 305 is electrically connected respectively with from data processor 304, LCD display 313, time circuit 306, communication interface 307, IC-card interface 308, keyboard 309, inner memory 311 by I/O; Be connected with pulse output end mouth 312 from data processor 304; Voltage branch circuit 301 summation current transformers 302 are electrically connected with integrating metrology circuit 303 input ports respectively, integrating metrology circuit 303 be electrically connected from data processor 304, power supply 314 provides required working power.
Workflow of the present utility model comprises step as shown in Figure 4: step 401, the initialization of charger preset parameter; Enter step 402, detect battery and whether access, not access, access does not enter step 403, shows wait state, reenters step 401; Access enters 404 and moves by the charger preset parameter; Then enter step 405, receive the battery management data; Whether further enter step 406, detecting rechargeable battery single-unit voltage transfinites; Be to transfinite, enter step 408, reduce charging current output, return to 404 steps.Do not transfinite, enter step 407, further whether detection has phase transition; Have, enter step 409, enter next stage, then return to 404 steps.No, enter step 410, keep current state, then return to 404 steps.
The charger preset parameter is to generate parameter by panel, obtains the cell voltage data through the battery management memory.Comprise operational mode, given parameters, limiting parameter in the parameter, stop parameter.Operational mode has constant voltage and constant current mode; When pattern was constant voltage, given parameters was the given voltage of output, and limiting parameter is the maximum of output current, and stopping parameter can be output current and running time; When pattern was constant current, given parameters was the given electric current of output, and limiting parameter is the maximum of output voltage, and stopping parameter can be output voltage and running time.
For example, set by panel, total number of stages is 2, and the phase I is constant current voltage limiting, and given parameters is: constant current 60A, and limiting parameter is: pressure limiting 450V stops parameter and is: stop voltage 440V; Second stage is constant voltage and current limiting, and given parameters is: constant voltage 440V, limiting parameter is: current limliting 60A stops parameter and is: stop electric current 5A.Then after charging beginning, charger is operated in the phase I, and current constant is at 60A, build-up of voltage, but can not surpass 450V.In case surpass 450V, just control output makes voltage be lower than 450V; After voltage surpassed 440V, the phase I finished, and enters second stage; The second stage voltage constant is at 440V, and electric current reduces gradually, makes electric current less than 60A if electric current, is then controlled output greater than 60A; After electric current was less than 5A, second stage finished, and charging stops.The noun explanation:
Operational mode: constant current or constant voltage.
Constant current mode: constant current mode be with output current as feedback quantity, control system keeps the charger constant output current.
Constant voltage mode: constant voltage mode be with output voltage as feedback quantity, control system keeps the charger output voltage constant.
Given parameters: if operational mode is current constant mode, given parameters is the given electric current of output.If operational mode is the constant voltage mode, given parameters is the given voltage of output.
Limiting parameter: for cell load, under constant current conditions, might control system be the satisfied output current value of setting, and make the output voltage of charger above the maximum voltage limit of battery pack.Under constant-pressure conditions, might control system be the satisfied output voltage values of setting, and make the output current of charger above the maximum current limit of battery pack.
Under constant current state, restriction efferent branch compares the restriction maximum voltage of output voltage and setting, if output voltage is less than maximum constraints voltage, control system keeps output current to equal given electric current, if output voltage is greater than maximum constraints voltage, control system will no longer keep output current to equal given electric current, but the assurance output voltage is little and maximum constraints voltage.
Under pressure constant state, restriction efferent branch to the maximum constraints current ratio of output current and setting, if output current is less than the maximum constraints electric current, control system keeps output voltage to equal given voltage, if output current is greater than the maximum constraints electric current, control system will no longer keep output voltage to equal given voltage, but guarantee that output current is less than the maximum constraints electric current.Adopt the purpose of above measure, exactly in order to protect battery, prevent that battery from sustaining damage in charging process.
So in the operational factor in each stage, comprise a restriction output valve.If operational mode is constant current, the restriction output valve is maximum output voltage.If operational mode is constant voltage, the restriction output valve is maximum output current.
Stop parameter: the implication that stops parameter is to satisfy the parameter that stops of setting when the actual motion state of charger, charger can change next stage running automatically over to, if current operation is the last stage, satisfy the parameter that stops of setting when the actual motion state of charger, control system can the charge closing machine.If the operational mode of charger is constant current, the stop condition that the user can select has two kinds of output voltage or running times.If the user selection stop condition is output voltage, in the constant current charge process cell voltage increase to setting stop output voltage values the time, the operation in this stage of system finishing changes next stage operation over to.If the stop condition of user selection is running time, if the dwell time that equals to set the running time in this stage, the operation in this stage of system finishing changes the next stage operation over to.
If the operational mode of charger is constant voltage, the stop condition that the user can select has two kinds of output current or running times.If the user selection stop condition is output current, in the constant voltage charge process output current drop to setting stop output current value the time, the operation in this stage of system finishing changes next stage operation over to.If the stop condition of user selection is running time, the dwell time that equals to set when the running time in this stage, the operation in this stage of system finishing changes the next stage operation over to.
Operational mode and stop condition group with get up, charger can have four kinds of operational modes: constant current voltage limiting, constant current timing, constant voltage and current limiting, constant voltage timing.All operational factors of charger all deposit among the inside EEPROM of control board, all parameters can arrange by charger panel or computer monitoring system, data among the EEPROM have memory function, if the user does not think Update Table, can directly start charger, needn't again input operational factor, charger will be according to the parameter operation of last change.
Claims (3)
1. the charging station device that has watt metering and battery management, it is characterized in that: which comprises at least: battery management unit (1), numeral high frequency switch power (2), electric energy metrical unit (3) and control unit (4), numeral high frequency switch power (2), electric energy metrical unit (3) and control unit (4) consist of charger body (5), alternating current input power supplying (6) is input to digital high frequency switch power (2) input after by battery management unit (1), numeral high frequency switch power (2) output is electrically connected with battery management unit (1) input, numeral high frequency switch power (2) and electric energy metrical unit (3) are electrically connected with control unit (4) network by controller local area network (7), CAN communication data and monitoring host computer (8) communication data of the battery management unit (1) that the multi-protocol communication interface card in the controller local area network (7) is outside with the communication data of digital high frequency switch power (2) and electric energy metrical unit (3) and charger body (5) transfer to control unit (4), according to accepting data battery (9) are carried out Charge Management by control unit (4).
2. the charging station device with watt metering and battery management according to claim 1; it is characterized in that: described digital high frequency switch power (2) comprising: EMC and surge current control circuit (202); a rectification and filter circuit (203); single-ended flyback DC/DC power inverter (204); secondary rectification and filter circuit (205) and constant current; constant voltage outputting circuit (206); constant current; constant voltage outputting circuit (206) is electrically connected constant current with two electrodes of battery (9); be connected with overcurrent between constant voltage outputting circuit (206) and the single-ended flyback DC/DC power inverter (204); overvoltage; overheated and under-voltage signal sample circuit (208); photoelectric coupling buffer circuit (209) and overcurrent; overvoltage; overheated and under-voltage protecting circuit (210).
3. the charging station device with watt metering and battery management according to claim 1, it is characterized in that: described electric energy metrical unit (3) comprising: voltage branch circuit (301), current transformer (302), integrating metrology circuit (303), from data processor (304), master data processor (305), LCD display (313), time circuit (306), communication interface (307), IC card interface (308), keyboard (309), battery (310), inner memory (311), pulse output end mouth (312), power supply (314); Master data processor (305) is electrically connected respectively with from data processor (304), LCD display (313), time circuit (306), communication interface (307), IC-card interface (308), keyboard (309), inner memory (311) by I/O; Be connected with pulse output end mouth (312) from data processor (304); Voltage branch circuit (301) summation current transformer (302) is electrically connected with integrating metrology circuit (303) input port respectively, integrating metrology circuit (303) be electrically connected from data processor (304), power supply (314) provides required working power.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200495763U CN202888868U (en) | 2012-02-15 | 2012-02-15 | Charging station device with kilowatt-hour metering function and battery managing function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200495763U CN202888868U (en) | 2012-02-15 | 2012-02-15 | Charging station device with kilowatt-hour metering function and battery managing function |
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| CN202888868U true CN202888868U (en) | 2013-04-17 |
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| CN2012200495763U Expired - Fee Related CN202888868U (en) | 2012-02-15 | 2012-02-15 | Charging station device with kilowatt-hour metering function and battery managing function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001272A (en) * | 2012-02-15 | 2013-03-27 | 西安胜唐电源有限公司 | Charging station with electric energy metering and battery management functions |
| TWI496379B (en) * | 2013-07-26 | 2015-08-11 | Univ Nat Sun Yat Sen | Energy management method for charging station |
-
2012
- 2012-02-15 CN CN2012200495763U patent/CN202888868U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001272A (en) * | 2012-02-15 | 2013-03-27 | 西安胜唐电源有限公司 | Charging station with electric energy metering and battery management functions |
| TWI496379B (en) * | 2013-07-26 | 2015-08-11 | Univ Nat Sun Yat Sen | Energy management method for charging station |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20160215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |