CN105490372A - Solar alternating current charging pile capable of automatically switching power supplies - Google Patents
Solar alternating current charging pile capable of automatically switching power supplies Download PDFInfo
- Publication number
- CN105490372A CN105490372A CN201610010499.3A CN201610010499A CN105490372A CN 105490372 A CN105490372 A CN 105490372A CN 201610010499 A CN201610010499 A CN 201610010499A CN 105490372 A CN105490372 A CN 105490372A
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- China
- Prior art keywords
- lcd
- storage battery
- power
- panel
- charging
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Classifications
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- 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
- H02J7/36—Arrangements using end-cell switching
-
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a solar alternating current charging pile capable of automatically switching power supplies, and relates to an alternating current charging pile. The charging pile comprises a CPU main board, an LCD (liquid crystal display) panel, an electric vehicle charging board, a power supply board, an electric energy meter, a card reader, a micro printer, a key, a solar panel, an inverter, a storage battery, a farad capacitor and a 220V mains supply input board; the CPU main board comprises a CPU, a memory, a nonvolatile memory and a clock circuit; the LCD panel comprises an LCD, a backlight indicator lamp and an LCD driver circuit; the CPU main board is connected with the LCD panel through a parallel bus; the electric vehicle charging board comprises a relay, a relay protection circuit and a relay driving circuit; and the CPU main board is connected with the electric vehicle charging board through a GPIO bus. The solar alternating current charging pile has a power supply deploy function, and can use solar energy preferentially; and if the storage battery is low in electric energy, the 220V mains supply is used for charging, so that electric energy can be saved to the maximum degree.
Description
Technical field
The present invention relates to a kind of alternating-current charging pile, particularly relate to a kind of solar energy alternating-current charging pile of auto switching electric source.
Background technology
Electric vehicle engineering is through developing rapidly in a few years, accept by increasing people, alternating-current charging pile is arranged on community or parking stall, market, not only use amount is large, and frequency of utilization is high, usage time interval has obvious regularity, and residential quarters are generally in charging at night, and generally diurnally charge in the parking stall in market.So for the application of this regularity, be applicable to very much using solar charging power technology.
Residential quarters are charged a battery by solar energy by day, evening again with storage battery to charging electric vehicle; Market daytime directly by solar power generation to charging electric vehicle, maintain the normal work of charging pile evening again with storage battery.
Summary of the invention
The object of the present invention is to provide a kind of solar energy alternating-current charging pile of auto switching electric source, the present invention has power supply allotment and preferentially uses solar recharging, if storage battery quantity not sufficient, then uses 220V commercial power charged, saves energy to greatest extent.
The object of the invention is to be achieved through the following technical solutions:
A solar energy alternating-current charging pile for auto switching electric source, described charging pile comprises cpu motherboard, LCD LCD panel, charging electric vehicle plate, power panel, electric energy meter, card reader, mini-printer, keyboard, solar panels, inverter, storage battery, farad capacitor, 220V civil power tablet; Cpu motherboard comprises CPU, internal memory, nonvolatile memory, clock circuit; LCD LCD panel comprises LCD liquid crystal display, backlight, indicator light, lcd driver circuit; Cpu motherboard is connected by parallel bus with LCD LCD panel; Charging electric vehicle plate comprises relay, relay protection, relay drive circuit, and cpu motherboard is connected by GPIO bus with charging electric vehicle plate; Power panel 220V connects live wire and the zero line input terminal of electric energy meter respectively, and the live wire of electric energy meter is connected with charging electric vehicle plate with zero line lead-out terminal, and electric energy meter is connected by RS485 bus with cpu motherboard.
The solar energy alternating-current charging pile of described a kind of auto switching electric source, described cpu motherboard is connected by RS232 interface with card reader; Cpu motherboard is connected by RS232 interface with mini-printer; Cpu motherboard is connected by GPIO bus with keyboard; Solar panels are connected by power line with inverter; Inverter is connected by power line with power panel and storage battery respectively; Storage battery is connected by power line with power panel; Farad capacitor and storage battery also connect; 220V civil power tablet is connected by power line with power panel.
The solar energy alternating-current charging pile of described a kind of auto switching electric source, described storage battery and solar panels also connect; Cpu motherboard connects power panel, connects the input of 220V civil power, and the 220V alternating current that the 220V electric main after adjustment and inverter export also connects and forms the microgrid that charges, connecting electric automobile.
The solar energy alternating-current charging pile of described a kind of auto switching electric source, described cpu motherboard, LCD LCD panel, power panel, card reader, mini-printer, keyboard adopt DC power supply, use farad capacitor and storage battery and connect.
Advantage of the present invention and effect are:
1. the present invention uses solar energy for charging electric vehicle, energy-conserving and environment-protective;
2. the present invention is equipped with storage battery, when not having charging electric vehicle daytime, is then charge in batteries;
3. there is power supply allotment function, preferentially use solar recharging, if solar energy exports electric energy deficiency, preferentially use charge in batteries, if storage battery quantity not sufficient, use 220V commercial power charged, to greatest extent saves energy;
4. the electric energy not grid-connected input 220V civil power major network changed through inverter of solar energy, directly stored in storage battery, to power supply major network no pollution;
After the input of 5.220V civil power, regulate phase angle, amplitude, frequency by power panel, ensure that the electric current of input electric automobile meets the requirements, safe and reliable;
6. except charging electric vehicle function, circuit system is DC circuit, directly can use DC power supply, so when after charge in batteries, namely may be used for charging electric vehicle, also may be used for maintenance system and normally run, ideally, do not consume outside 220V to power, the real green that realizes cleans.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is charging flow schematic diagram of the present invention;
Fig. 3 is structural representation of the present invention (rearview).
In figure, 301-solar panels, 302-LCD LCD panel, 303-mini-printer, 304-keyboard, 305-card reader, 306-power panel, 307-electric energy meter, 308-charging electric vehicle plate, 309-farad capacitor, 310-inverter, 311-storage battery, 312-housing, 313-CPU mainboard, the left mounting guide rail of 314-mainboard, the right mounting guide rail of 315-mainboard.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is described in detail.
A kind of solar energy alternating-current charging pile comprises: cpu motherboard, LCD LCD panel, charging electric vehicle plate, power panel, electric energy meter, card reader, mini-printer, keyboard, solar panels, inverter, storage battery, farad capacitor, 220V civil power tablet.
Cpu motherboard comprises the circuit such as CPU, internal memory, nonvolatile memory, clock, is responsible for the process of data, the work such as control, data storage, communication data parsing of peripheral hardware; LCD LCD panel comprises the circuit such as LCD liquid crystal display, backlight, indicator light, lcd driver, and be responsible for the work such as display User Interface, display charged state, cpu motherboard and LCD LCD panel are connected by parallel bus; Charging electric vehicle plate mainly comprises the circuit such as relay, relay protection, relay driving, and cpu motherboard and charging electric vehicle plate are connected by GPIO bus; Power panel is responsible for system power supply, and provides alternating current 220V voltage for charging electric vehicle plate, and power panel provides+12V ,+5V ,+3.3V to power for CPU board; The electric flux used when measuring charging electric vehicle is responsible for by electric energy meter, power panel 220V inputs live wire and the zero line input terminal of electric energy meter respectively, the live wire of electric energy meter is connected with charging electric vehicle plate with zero line lead-out terminal, and electric energy meter is connected by RS485 bus with cpu motherboard; Card reader is responsible for read-write subscriber card data, and cpu motherboard is connected by RS232 interface with card reader; Mini-printer is responsible for printing charging bill, and cpu motherboard is connected by RS232 interface with mini-printer; Keyboard is responsible for user's input, and cpu motherboard is connected by GPIO bus with keyboard; Solar panels are responsible for solar energy and are converted into direct current energy, and solar panels are connected by power line with inverter; Inverter is responsible for changing direct current energy into AC energy, and inverter is connected by power line with power panel and storage battery respectively; Storage of electrical energy is responsible for by storage battery, and storage battery is connected by power line with power panel; Farad capacitor is responsible for system and provides provisional power supply, ensures system stable operation when storage battery does not have electricity, and farad capacitor and storage battery also connect; 220V civil power tablet primary responsibility 220V mains-supplied, is system supplementary power when solar powered deficiency, is connected with power panel by power line.
In order to improve the service efficiency of solar energy, the present invention takes following scheme:
When starting to charge, the direct current energy that solar panels transform, changes AC energy into through inverter, and cpu motherboard controls power panel and connects, and solar panels are charging electric vehicle by power panel.
In charging process, cpu motherboard detects the charging current of electric automobile, if electric current is less than the rated current required for charging electric vehicle, cpu motherboard controls storage battery DC power output, storage battery and solar panels also connect, increase the input current of inverter, the alternating current also corresponding increase that inverter exports, improve the charging current of electric automobile.
In charging process, cpu motherboard detects the charging current of electric automobile, if storage battery and solar panels charging current after connecting still are less than the rated current required for charging electric vehicle, cpu motherboard controls power panel, connect the input of 220V civil power, and regulated phase angle, amplitude, the frequency of 220V electric main by power panel, be adjusted to and meet charging requirement, 220V electric main after regulating and the 220V alternating current that exports of inverter being connected and form the microgrid that charges, is charging electric vehicle.
In charging process, cpu motherboard detects the electric current that solar panels export, if output current is less than the minimum threshold of solar panels output current, disconnects the connection of solar panels.
In charging process, cpu motherboard detects the electric current that storage battery plants exports, if output current is less than the minimum threshold of storage battery output current, disconnects the connection of storage battery.
In charging process, if storage battery is disconnected, CPU detects the voltage of storage battery, if voltage is greater than the minimum threshold that can charge, recovers the connection of storage battery.
In charging process, if solar panels are disconnected, CPU detects the electric current that solar panels export, if electric current is greater than the minimum threshold that can charge, recovers the connection of solar panels.
When not giving charging electric vehicle, in order to improve solar energy service efficiency, reduce charging microgrid to the interference of main electrical network, and simplify circuit design, the present invention takes following technical scheme:
When not needing to charging electric vehicle and solar panels have electric energy to export, in order to improve electric energy service efficiency, disconnect inverter, solar panels are directly connected with storage battery, are charge in batteries.
In order to reduce the consumption of 220V civil power, the present invention takes following scheme:
Cpu motherboard, LCD LCD panel, power panel, card reader, mini-printer, keyboard adopt DC power supply, when storage battery has electricity, the electric energy of direct use accumulators store is to system power supply, when not needing to charging electric vehicle, in order to reduce system power dissipation, charging electric vehicle plate, electric energy meter, card reader, mini-printer, keyboard enter holding state.
In order to make system when storage battery quantity not sufficient, output voltage and electric current keep stable, and to ensure that system is normally run, the present invention adopts following scheme:
Use farad capacitor and storage battery and connect, when storage battery quantity not sufficient, farad capacitor supplementary power.When cpu motherboard detects storage battery quantity not sufficient, cpu motherboard disconnects storage battery and connects, and to connect 220V civil power be system power supply.When disconnecting storage battery and connecting, keep the connection of farad capacitor, can ensure that system power supply is still stablized when electrical source exchange, system cloud gray model is unaffected.
Charging flow of the present invention as shown in Figure 2, describes charge step of the present invention in detail below in conjunction with Fig. 2:
Step 201, user inserts recharged card, system display user charged interface, and user selects charge mode by keyboard: comprise and be full of pattern, Flat Amount pattern, fixing electricity pattern, set time pattern 4 options.If select to be full of pattern, directly for electric automobile starts charging, if select Flat Amount pattern, user needs to input the charging amount of money simultaneously, if select fixing electricity mode user to need to input charge capacity simultaneously, if select set time mode user to need to input the charging interval simultaneously.By user input data and user profile stored in nonvolatile memory.
Step 202, connects solar panels, and whether detection solar panels output current reaches the current value required for charging, if solar panels output current is more than or equal to the current value of charging requirement, then performs step 203; Solar panels output current is less than the current value of charging requirement, then perform step 205.
Step 203, connects storage battery, and the electric current detecting storage battery exports the current value whether being greater than charging requirement, if be more than or equal to the current value of charging requirement, then performs 205; If electric current is less than the current value of charging requirement, then perform 204.
Step 204, connects 220V civil power, for charging electric vehicle supplements auxiliary current.
Step 205, connecting electric automobile, starts as charging electric vehicle.
Step 206, the charge mode arranged according to user charges, and whether detection charging completes.
Step 207, disconnection electric automobile, 220V power, the connection of storage battery, solar panels, stop charging, and reading power meters electricity, calculate and deduct the charging amount of money, remaining sum being write subscriber card, and related data is stored in a database, user interface display charging complete, prompting user pulls out card.Charging complete.
The foregoing is only exemplary embodiment of the present invention, all equivalent replacements or improvement etc. carried out under scope of the present invention, all should be included within protection scope of the present invention.
Claims (4)
1. the solar energy alternating-current charging pile of an auto switching electric source, it is characterized in that, described charging pile comprises cpu motherboard, LCD LCD panel, charging electric vehicle plate, power panel, electric energy meter, card reader, mini-printer, keyboard, solar panels, inverter, storage battery, farad capacitor, 220V civil power tablet; Cpu motherboard comprises CPU, internal memory, nonvolatile memory, clock circuit; LCD LCD panel comprises LCD liquid crystal display, backlight, indicator light, lcd driver circuit; Cpu motherboard is connected by parallel bus with LCD LCD panel; Charging electric vehicle plate comprises relay, relay protection, relay drive circuit, and cpu motherboard is connected by GPIO bus with charging electric vehicle plate; Power panel 220V connects live wire and the zero line input terminal of electric energy meter respectively, and the live wire of electric energy meter is connected with charging electric vehicle plate with zero line lead-out terminal, and electric energy meter is connected by RS485 bus with cpu motherboard.
2. the solar energy alternating-current charging pile of a kind of auto switching electric source according to claim 1, is characterized in that, described cpu motherboard is connected by RS232 interface with card reader; Cpu motherboard is connected by RS232 interface with mini-printer; Cpu motherboard is connected by GPIO bus with keyboard; Solar panels are connected by power line with inverter; Inverter is connected by power line with power panel and storage battery respectively; Storage battery is connected by power line with power panel; Farad capacitor and storage battery also connect; 220V civil power tablet is connected by power line with power panel.
3. the solar energy alternating-current charging pile of a kind of auto switching electric source according to claim 1, is characterized in that, described storage battery and solar panels also connect; Cpu motherboard connects power panel, connects the input of 220V civil power, and the 220V alternating current that the 220V electric main after adjustment and inverter export also connects and forms the microgrid that charges, connecting electric automobile.
4. the solar energy alternating-current charging pile of a kind of auto switching electric source according to claim 1, it is characterized in that, described cpu motherboard, LCD LCD panel, power panel, card reader, mini-printer, keyboard adopt DC power supply, use farad capacitor and storage battery and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610010499.3A CN105490372A (en) | 2016-01-08 | 2016-01-08 | Solar alternating current charging pile capable of automatically switching power supplies |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610010499.3A CN105490372A (en) | 2016-01-08 | 2016-01-08 | Solar alternating current charging pile capable of automatically switching power supplies |
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| CN105490372A true CN105490372A (en) | 2016-04-13 |
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| CN201610010499.3A Pending CN105490372A (en) | 2016-01-08 | 2016-01-08 | Solar alternating current charging pile capable of automatically switching power supplies |
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Cited By (9)
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| CN106057170A (en) * | 2016-06-30 | 2016-10-26 | 联想(北京)有限公司 | Adjusting method and electronic equipment |
| CN106042958A (en) * | 2016-06-06 | 2016-10-26 | 江苏建筑职业技术学院 | Electric automobile charging device provided with solar panels in commercial district public place and control system of electric automobile charging device |
| CN106130069A (en) * | 2016-07-20 | 2016-11-16 | 国网江苏省电力公司宿迁供电公司 | A kind of intelligence based on bus-stop fills TRT |
| CN106160196A (en) * | 2016-08-17 | 2016-11-23 | 武贺兴 | The uninterruptible power system of distribution transformer interruptedly supplying power concentrator |
| CN106208192A (en) * | 2016-07-14 | 2016-12-07 | 上海工程技术大学 | A kind of microgrid type solar recharging stake and charging method |
| CN106685061A (en) * | 2016-11-17 | 2017-05-17 | 成都信息工程大学 | Charging pile for electromobile |
| CN106787106A (en) * | 2016-12-25 | 2017-05-31 | 中山市厚源电子科技有限公司 | A kind of energy-saving device for electronic product |
| CN108263244A (en) * | 2018-04-08 | 2018-07-10 | 北方节能股份有限公司 | A kind of solar energy alternating-current charging pile for being capable of auto switching electric source |
| US20210249856A1 (en) * | 2017-05-30 | 2021-08-12 | Solaredge Technologies Ltd. | System and Method For Interconnected Elements of a Power System |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106042958A (en) * | 2016-06-06 | 2016-10-26 | 江苏建筑职业技术学院 | Electric automobile charging device provided with solar panels in commercial district public place and control system of electric automobile charging device |
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| CN106160196A (en) * | 2016-08-17 | 2016-11-23 | 武贺兴 | The uninterruptible power system of distribution transformer interruptedly supplying power concentrator |
| CN106160196B (en) * | 2016-08-17 | 2023-12-22 | 国家电网公司 | Uninterrupted power supply system of intermittent power supply concentrator of distribution transformer |
| CN106685061A (en) * | 2016-11-17 | 2017-05-17 | 成都信息工程大学 | Charging pile for electromobile |
| CN106787106A (en) * | 2016-12-25 | 2017-05-31 | 中山市厚源电子科技有限公司 | A kind of energy-saving device for electronic product |
| CN106787106B (en) * | 2016-12-25 | 2019-06-14 | 中山市厚源电子科技有限公司 | A kind of energy-saving device for electronic product |
| US20210249856A1 (en) * | 2017-05-30 | 2021-08-12 | Solaredge Technologies Ltd. | System and Method For Interconnected Elements of a Power System |
| US11876369B2 (en) * | 2017-05-30 | 2024-01-16 | Solaredge Technologies Ltd. | System and method for interconnected elements of a power system |
| CN108263244A (en) * | 2018-04-08 | 2018-07-10 | 北方节能股份有限公司 | A kind of solar energy alternating-current charging pile for being capable of auto switching electric source |
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Address after: Xinluo Street Hunnan District of Shenyang City, Liaoning province 110179 No. 8-3 Applicant after: Northern energy Limited by Share Ltd Address before: Xinluo Street Hunnan District of Shenyang City, Liaoning province 110179 No. 8-3 Applicant before: LIAONING NORTH ENERGY SAVING CO., LTD. |
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Address after: Ying Xi Jie Shenyang Hunnan District of Liaoning province 110180 City Room 1823 No. 17-4 Applicant after: Northern energy Limited by Share Ltd Address before: Xinluo Street Hunnan District of Shenyang City, Liaoning province 110179 No. 8-3 Applicant before: Northern energy Limited by Share Ltd |
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Application publication date: 20160413 |
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