CN111431272A - Charging station is equipped with electric system - Google Patents
Charging station is equipped with electric system Download PDFInfo
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- CN111431272A CN111431272A CN202010379504.4A CN202010379504A CN111431272A CN 111431272 A CN111431272 A CN 111431272A CN 202010379504 A CN202010379504 A CN 202010379504A CN 111431272 A CN111431272 A CN 111431272A
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/53—Batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/67—Controlling two or more charging stations
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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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
Abstract
The invention discloses a power standby system of a charging station, which comprises a power grid, wherein the output end of the power grid is connected with an intelligent ammeter; the input end of the AC/DC unit is connected with a power grid through a wire; the output end of the AC/DC unit is connected with a selection circuit; the selection circuit comprises a single chip microcomputer chip, the output end of the AC/DC unit is connected with the input end of the single chip microcomputer chip, one output end of the single chip microcomputer chip is connected with the input end of the DC/DC unit, and the other output end of the single chip microcomputer chip is connected with an energy storage module; the single chip microcomputer chip is in signal communication with the intelligent electric meter and controls the on-state or off-state of the output end of the single chip microcomputer chip according to the received detection information of the intelligent electric meter; the output end of the energy storage module is connected with the input end of the DC/DC unit through the switching circuit; the output end of the DC/DC unit is connected with a plurality of direct current charging piles. The invention can select the electric energy transmission path according to different practical conditions; meanwhile, the conversion loss in the power transmission process can be reduced.
Description
Technical Field
The invention relates to the field of charging piles, in particular to a charging station power supply system.
Background
At present, a plurality of charging piles are usually arranged in a charging station for synchronously charging a plurality of electric vehicles; in order to deal with emergencies such as power failure, a standby battery is usually arranged in each charging pile; the existing direct current quick charging is that a charging pile takes alternating current from a power grid, the alternating current is converted into direct current in the charging pile, the direct current is converted into direct current, and the electric vehicle is charged after the steps of voltage boosting, voltage reducing, filtering and the like. In the process, the power grid supplies the charging pile with alternating current.
However, for the dc charging pile, the ac power still needs to be converted into the dc power, and the dc power is reduced in voltage and then output to the electric vehicle through the dc charging pile. During the period, the electric energy conversion for many times causes energy loss for many times, and the charging efficiency is low.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a charging station power supply system, which can select an electric energy output path according to different practical conditions; and simultaneously, the energy loss can be reduced.
The purpose of the invention is realized by adopting the following technical scheme:
a charging station power backup system comprising:
the output end of the power grid is connected with an intelligent ammeter;
the input end of the AC/DC unit is connected with the power grid through a wire; the output end of the AC/DC unit is connected with a selection circuit;
the selection circuit comprises a single chip, the output end of the AC/DC unit is connected to the input end of the single chip, one output end of the single chip is connected with the input end of the DC/DC unit, and the other output end of the single chip is connected with the input end of the energy storage module; the single chip microcomputer chip is in signal communication with the intelligent electric meter and controls the on-state or off-state of the output end of the single chip microcomputer chip according to the received detection information of the intelligent electric meter;
the output end of the energy storage module is connected with the input end of the DC/DC unit through the switching circuit;
the DC/DC unit, the output of DC/DC unit is connected with a plurality of direct current and fills electric pile.
Further, the detection information of the smart meter includes a current electricity price and a current electricity consumption amount.
Furthermore, the energy storage module is connected with a battery management module, and the battery management module is connected with the single chip microcomputer chip.
Furthermore, the battery management module is connected with an alarm module and used for sending an alarm prompt when the acquired charging and discharging parameters are abnormal.
Further, the energy storage module is connected with a temperature sensor, and the temperature sensor is connected with the battery management module.
Furthermore, the direct current charging pile comprises a standby battery, a direct current input port, a selection switch and an output port, wherein the input end of the selection switch is connected with the DC/DC unit, and two output contacts of the selection switch are respectively connected with the standby battery and the direct current input port; the output ends of the standby battery and the direct current input port are connected with the output port.
Furthermore, the direct current charging pile further comprises a built-in ammeter, a charging control unit and a card reader, wherein the built-in ammeter is connected with the output port, the built-in ammeter is connected with the charging control unit, and the card reader is connected with the charging control unit in a two-way mode.
Further, the backup battery is connected with the battery management module.
Furthermore, the battery management module is connected with a monitoring platform through a wireless network, and the monitoring platform is connected with the mobile phone terminal.
Compared with the prior art, the invention has the beneficial effects that:
the selection circuit can determine an electric energy transmission path according to the output condition of the power grid, and selects a mode of directly outputting electric energy by the power grid or outputting the electric energy by the energy storage module so as to solve the problems of high electricity price and the like in power failure or power utilization peak period;
in addition, after the alternating current output by the power grid is converted into the direct current, the electric energy is stored in the energy storage module in a direct current mode, and the energy storage module can directly provide the direct current for the direct current charging pile so as to reduce energy loss caused by multiple times of electric energy conversion.
Drawings
FIG. 1 is a block diagram of a system according to a first embodiment of the present invention;
fig. 2 is a block diagram of a system structure in the second embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Example one
The utility model provides a charging station is equipped with electric system, uses in having a plurality of charging station that fill electric pile, and during charging station is equipped with electric system and inserts national grid, inserts the electric energy from the electric wire netting.
Referring to fig. 1, a power grid is connected to the charging station power supply system in this embodiment through a cable, and a smart meter is connected to the cable, so that the smart meter can detect an output power condition of the power grid, obtain a power rate corresponding to the current output power of the power grid, and obtain detection information such as power consumption, and the charging station power supply system can control a charging/discharging condition of the charging station according to data detected by the smart meter.
The charging station power supply system comprises an AC/DC unit, and the current output from the power grid is high-voltage alternating current, so that the high-voltage alternating current output from the power grid needs to be converted into direct current by the AC/DC unit, and then the direct current is connected to a direct current micro-power grid, and in the direct current micro-power grid, the current is generally transmitted and stored in a direct current form, so that the energy loss caused by multiple times of electric energy conversion of the current can be reduced.
The direct current micro-grid is connected with a selection circuit, the selection circuit at least comprises a single chip, a circuit output by an AC/DC unit is connected into an input end of the single chip through the direct current micro-grid, the single chip is provided with a plurality of output ends, one output end is connected with an input end of a DC/DC unit, the DC/DC unit is used for reducing the voltage of high-voltage direct current to the amplitude for charging an electric vehicle, and the output end of the DC/DC unit is connected with a plurality of direct current charging piles, so that the direct current with proper voltage is charged into the electric vehicle through the charging piles.
And another output of singlechip chip is connected with energy storage module, can save the electric energy in energy storage module and save, and energy storage module's output links to each other with the input of DC/DC unit equally, and energy storage module also can export the electric energy and charge for electric vehicle through direct current charging pile promptly to prevent that emergency such as power failure from taking place to lead to the condition emergence that the charging station can't charge for electric vehicle.
The single chip microcomputer chip is provided with a communication module and is in signal communication with the intelligent electric meter through the communication module, namely the single chip microcomputer chip can receive detection information such as current electricity price and electricity consumption sent by the intelligent electric meter, and the single chip microcomputer chip controls the on-off state of the output end of the single chip microcomputer chip according to the received detection information of the intelligent electric meter.
The single chip can execute two control modes, wherein one control mode is to control the on or off state of the output end according to the current electricity price; if the current time interval is in the night valley-peak electricity utilization period, the current electricity price is lower than a preset value, the single chip microcomputer chip controls the output end directly connected with the DC/DC unit and the output end connected with the energy storage module to be opened, electricity taken out of the power grid can directly pass through the DC/DC unit and the charging pile to directly charge the electric vehicle while the energy storage module is charged by taking the electricity out of the power grid, and therefore electricity can be taken out of the power grid as much as possible when the electricity price is lower at night;
if the current time period is in daytime when peak power utilization period, then current price of electricity then can be higher than the default, and the output that the singlechip chip control is direct to link to each other with DC/DC unit and the output that links to each other with energy storage module all breaks off this moment for can't get the electricity from the electric wire netting, supply power to electric vehicle through opening energy storage module, reduce the use of high price of electricity price, thereby reduce the running cost.
Certainly, if special circumstances appear, for example when daytime time interval energy storage module's the energy storage is not enough, the operating condition of output is switched manually to the external button that the accessible links to each other with the singlechip chip, can let the output that directly links to each other with DC/DC unit switch on, can utilize the electricity of electric wire netting output to charge for electric vehicle this moment, but because the price of electricity is higher, consequently let temporarily to cut off with the output that energy storage module links to each other, stop charging for energy storage module in the time interval that the price of electricity is high.
The other control mode is that the working state of the output end of the singlechip chip is controlled according to the electricity consumption, for example, when the electricity consumption is less than a preset value, two output ends can be opened to charge the energy storage module and simultaneously take electricity from a power grid to charge the electric vehicle; when the electricity consumption is larger than the preset value, the two output ends can be disconnected, the energy storage module is started, the electric vehicle is charged by the energy storage module, and electricity is not taken from the power grid any more.
The preset value can be determined according to the average number of vehicles and the average electricity consumption of the charging station. The control method of the above-mentioned single chip microcomputer chip can be controlled according to a recorded coding program, which is not claimed in the present embodiment, and therefore, the coding program will not be described in detail herein.
The direct-current charging pile comprises a standby battery, a direct-current input port, a selection switch and an output port, the embodiment can store electric energy through an external energy storage module, and can also store the electric energy in the standby battery built in the direct-current charging pile when the electricity price is low, so that the electric energy is stored at low price as much as possible.
After the high-voltage direct current is subjected to voltage reduction and input into the direct current charging pile by the DC/DC unit, the DC/DC unit is connected with two output contacts through a selection switch, the two output contacts are respectively connected with the standby battery and the direct current input port, and the output ends of the standby battery and the direct current input port are connected with the output port; the direct current charging pile can also select to directly output the electric energy input by the energy storage module or the power grid to the electric vehicle or select to take the electricity from the standby battery. The output contact of the selector switch is normally kept connected with the direct current input port, and the output contact of the selector switch can be switched to be connected with the standby battery in an emergency.
The charging station power supply system in this embodiment can supply power through multiple mode, can carry out the energy storage simultaneously in order to ensure also normal power supply under the emergency, relatively speaking, can provide comparatively stable output electric energy, ensures all can supply power for electric vehicle under any circumstance.
The direct current charging pile further comprises a built-in ammeter, a charging control unit and a card reader, wherein the built-in ammeter is connected with the output port and is used for calculating the charging amount for charging the electric vehicle each time; the built-in ammeter is connected with the charging control unit and used for calculating corresponding cost according to the charging amount; the card reader is connected with the charging control unit in a bidirectional mode, a user can use a corresponding IC card to brush the card reader, and when the user brushes the IC card on the card reader for the first time, the card reader reads user information bound by the IC card; then, a user can connect a charging connector of the direct current charging pile to a charging port of the vehicle, the direct current charging pile starts to supply power to the electric vehicle in any form after sensing the connection of the direct current charging pile to the charging port, and an internal ammeter counts the charging amount in the charging process; when the charging connector of the charging pile is fully charged or the user pulls off the charging connector of the charging pile, the charging is stopped, the corresponding fee is calculated according to the charging amount, and when the user swipes the IC card again, the balance in the IC card can be deducted according to the calculated fee, or the payment is carried out in other modes.
In order to improve the safety of the standby power system, the energy storage module is connected with a battery management module, the battery management module is connected with the single chip microcomputer chip, and the battery management module is used for collecting the charge and discharge parameters of each battery in the energy storage module and monitoring the charge and discharge parameters. Meanwhile, the standby battery in each direct-current charging pile is connected with the battery management module through a wire, the battery management module monitors the charging and discharging condition of the energy storage module and monitors the standby battery in each direct-current charging pile, and safety of the charging station standby power system is comprehensively improved.
In the embodiment, the electric energy transmission path can be selected through the selection circuit according to the output condition of the power grid, and the mode selection is carried out on the electric energy directly output by the power grid or the electric energy output by the energy storage module so as to solve the problems of high electricity price and the like in the power failure or electricity utilization peak period;
in addition, after the alternating current output by the power grid is converted into the direct current, the electric energy is stored in the energy storage module in a direct current mode, and the energy storage module can directly provide the direct current for the direct current charging pile so as to reduce energy loss caused by multiple times of electric energy conversion.
Example two
A further improvement is made on the basis of the first embodiment, and as shown in fig. 2, the battery management module is connected with an alarm module; if the battery management module monitors that the charging and discharging parameters are abnormal, generating corresponding alarm information, providing an alarm prompt by an alarm module on site, and sending the alarm prompt to a monitoring platform connected with the battery management module through a wireless network for alarm prompt so as to prompt a manager to attach importance to the alarm condition; meanwhile, the alarm information is sent to the single chip microcomputer chip, and the output contact connected with the energy storage module is controlled to be disconnected by the single chip microcomputer chip until the alarm condition is eliminated. In addition, the monitoring platform can be connected with the mobile phone terminal to push the alarm information to the corresponding mobile phone terminal, so that managers can check the information in time.
In addition, the energy storage module is connected with a temperature sensor, the temperature sensor is connected with the battery management module, the temperature sensor is used for detecting the working temperature of the energy storage module in real time and transmitting temperature parameters to the battery management module, the battery management module comprehensively monitors the energy storage module according to the charging and discharging parameters and the temperature parameters, and accidents caused by overhigh temperature or any abnormal conditions of the energy storage module are avoided.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. A charging station power backup system, comprising:
the output end of the power grid is connected with an intelligent ammeter;
the input end of the AC/DC unit is connected with the power grid through a wire; the output end of the AC/DC unit is connected with a selection circuit;
the selection circuit comprises a single chip, the output end of the AC/DC unit is connected to the input end of the single chip, one output end of the single chip is connected with the input end of the DC/DC unit, and the other output end of the single chip is connected with the input end of the energy storage module; the single chip microcomputer chip is in signal communication with the intelligent electric meter and controls the on-state or off-state of the output end of the single chip microcomputer chip according to the received detection information of the intelligent electric meter;
the output end of the energy storage module is connected with the input end of the DC/DC unit through the switching circuit;
the DC/DC unit, the output of DC/DC unit is connected with a plurality of direct current and fills electric pile.
2. The charging station power backup system according to claim 1, wherein the detection information of the smart meter includes a current electricity rate and a current electricity consumption amount.
3. The charging station power-standby system of claim 1, wherein the energy storage module is connected with a battery management module, and the battery management module is connected with the single chip microcomputer chip.
4. The charging station power backup system of claim 3, wherein the battery management module is connected with an alarm module for sending an alarm prompt when the collected charging and discharging parameters are abnormal.
5. The charging station power backup system of claim 4, wherein a temperature sensor is connected to the energy storage module, the temperature sensor being connected to the battery management module.
6. The charging station power backup system of claim 5, wherein the DC charging pile comprises a backup battery, a DC input port, a selector switch and an output port, wherein an input terminal of the selector switch is connected to the DC/DC unit, and two output contacts of the selector switch are respectively connected to the backup battery and the DC input port; the output ends of the standby battery and the direct current input port are connected with the output port.
7. The charging station power backup system of claim 6, wherein the dc charging pile further comprises a built-in electric meter, a charging control unit and a card reader, the built-in electric meter is connected to the output port, the built-in electric meter is connected to the charging control unit, and the card reader is connected to the charging control unit in both directions.
8. The charging station power backup system of claim 7, wherein the backup battery is connected to the battery management module.
9. The charging station power backup system of claim 8, wherein the battery management module is connected to a monitoring platform through a wireless network, and the monitoring platform is connected to a mobile phone terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010379504.4A CN111431272A (en) | 2020-05-07 | 2020-05-07 | Charging station is equipped with electric system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010379504.4A CN111431272A (en) | 2020-05-07 | 2020-05-07 | Charging station is equipped with electric system |
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| CN111431272A true CN111431272A (en) | 2020-07-17 |
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| CN202010379504.4A Pending CN111431272A (en) | 2020-05-07 | 2020-05-07 | Charging station is equipped with electric system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111953294A (en) * | 2020-07-22 | 2020-11-17 | 国网河南省电力公司西峡县供电公司 | Platform area power supply system and method based on Internet of things |
| CN113147475A (en) * | 2020-09-09 | 2021-07-23 | 北京华商三优新能源科技有限公司 | Energy storage system for bus charging station |
| CN117277317A (en) * | 2023-11-22 | 2023-12-22 | 深圳创芯技术股份有限公司 | Industrial power supply circuit |
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2020
- 2020-05-07 CN CN202010379504.4A patent/CN111431272A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111953294A (en) * | 2020-07-22 | 2020-11-17 | 国网河南省电力公司西峡县供电公司 | Platform area power supply system and method based on Internet of things |
| CN111953294B (en) * | 2020-07-22 | 2021-06-15 | 国网河南省电力公司西峡县供电公司 | Platform area power supply system and method based on Internet of things |
| CN113147475A (en) * | 2020-09-09 | 2021-07-23 | 北京华商三优新能源科技有限公司 | Energy storage system for bus charging station |
| CN117277317A (en) * | 2023-11-22 | 2023-12-22 | 深圳创芯技术股份有限公司 | Industrial power supply circuit |
| CN117277317B (en) * | 2023-11-22 | 2024-03-15 | 深圳创芯技术股份有限公司 | Industrial power supply circuit |
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