CN216033876U - Time-interval energy storage power supply charging device - Google Patents

Time-interval energy storage power supply charging device Download PDF

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Publication number
CN216033876U
CN216033876U CN202023106791.6U CN202023106791U CN216033876U CN 216033876 U CN216033876 U CN 216033876U CN 202023106791 U CN202023106791 U CN 202023106791U CN 216033876 U CN216033876 U CN 216033876U
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China
Prior art keywords
relay
energy storage
controller
charging
normally open
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CN202023106791.6U
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Chinese (zh)
Inventor
曾超明
杨顺
杨飞飞
陈浩
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Zhihexin Electronic Technology Nanjing Co ltd
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Zhihexin Electronic Technology Nanjing Co ltd
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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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • 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
    • 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
    • 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
    • Y02T10/72—Electric energy management in electromobility
    • 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

Abstract

The utility model discloses a time-interval energy storage power supply charging device. The device includes the energy storage cabinet and fills electric pile, the energy storage cabinet includes input and AC220V mains connection 'S main switch S1, main switch S1' S output is connected respectively with relay K1 and relay K3 'S normally open contact' S one end, relay K1 'S normally open contact' S the other end and mains charge controller are connected, mains charge controller is connected with a plurality of energy storage unit of group, the energy storage unit is connected with the collection flow box, the collection flow box is connected with the inverter unit, the inverter unit is connected with relay K2 'S normally open contact' S one end, relay K2 and relay K3 'S normally open contact' S the other end and fill electric pile and be connected, relay K1, relay K2 and relay K3 are connected with the controller respectively. According to the utility model, cheap electric energy at the peak-valley section can be reasonably utilized, and the photovoltaic module is arranged to charge the energy storage unit, so that the charging amount of commercial power is reduced, the power consumption cost of the charging pile is reduced, and the energy-saving and environment-friendly effects are achieved.

Description

Time-interval energy storage power supply charging device
Technical Field
The utility model relates to the technical field of charging devices, in particular to a time-interval energy storage and power supply charging device.
Background
At present, according to the different unit prices of the electricity charges in different time periods, the electricity is intensively charged according to the public electricity, generally, the peak time period from eight points in the morning to ten points in the evening is regarded as the peak valley time period, and the peak valley time period from ten points in the evening to eight points in the next morning is regarded as the peak valley time period. The unit price of the electricity fee varies depending on regions, but the price of the electricity fee is kept uniform when the peak period is higher than the peak and valley period, and is generally 1.5 times or more the unit price of the electricity fee when the peak period is long. The charging pile is a device for charging the electric vehicle, a plurality of charging sockets are arranged on the upper side of the charging pile, a user cannot avoid a peak period during charging, and the corresponding charging cost is higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a time-interval energy storage power supply charging device aiming at the defects in the prior art.
In order to achieve the purpose, the utility model provides a time-sharing energy storage power supply charging device, which comprises an energy storage cabinet and a charging pile, wherein the energy storage cabinet comprises a main switch S1, the input end of the main switch S1 is connected with AC220V commercial power, the output end of the main switch S1 is respectively connected with one end of a normally open contact of a relay K1 and one end of a normally open contact of a relay K3, the other end of the normally open contact of the relay K1 is connected with a commercial power charging controller, the commercial power charging controller is connected with a plurality of groups of energy storage units, each energy storage unit comprises a plurality of storage batteries, the energy storage units are connected with a combiner box, the combiner box is connected with an inverter unit, the inverter unit is connected with one end of the normally open contact of a relay K2, the other ends of the normally open contacts of the relay K2 and the relay K3 are connected with the charging pile, the relay K1, the relay K2 and the relay K3 are respectively connected with a controller, and the controller is used for controlling the relay K1 and the relay K3 to attract each other in a peak valley section, and is used to control relay K2 to pull in during peak periods.
Furthermore, the energy storage unit is also connected with a photovoltaic charging controller, and the photovoltaic charging controller is connected with the photovoltaic assembly.
Further, still include power module, power module is connected respectively with energy storage unit, controller, photovoltaic charge controller, commercial power charge controller and inverter unit.
Further, still including connecting the relay K4 at main switch S1 input, the contact of relay K4 is connected with the controller, in the peak valley section if relay K4 loses the electricity, the normally open contact disconnection of controller control relay K3 to the normally open contact actuation of control relay K2.
Furthermore, a charging indicator light, a mains supply indicator light and an energy storage power supply indicator light are arranged on the energy storage cabinet.
Further, the charging indicator light, the commercial power supply indicator light and the energy storage power supply indicator light are all LEDs.
Further, the controller comprises a programmable controller and a single chip microcomputer.
Further, the secondary battery includes a lithium battery and a lead-acid battery.
Has the advantages that: according to the utility model, through arranging the energy storage unit, the junction box and the inverter unit, under the control of the main controller, the energy storage power supply can be charged by commercial power in the peak-valley section and the charging pile can be powered, and the electric energy stored by the energy storage unit can be inverted in the peak time period and then supplied to the charging pile, so that the cheap electric energy in the peak-valley section is reasonably utilized, and the photovoltaic module is arranged to charge the energy storage unit, thereby reducing the charging amount of the commercial power, reducing the power consumption cost of the charging pile, saving energy and protecting environment.
Drawings
Fig. 1 is a schematic structural diagram of a time-interval energy-storage power-supply charging device according to an embodiment of the present invention.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a time-interval energy storage, power supply and charging device, which includes an energy storage cabinet 1 and a charging pile 2. Energy storage cabinet 1 includes input and AC220V mains connection 'S main switch S1, and main switch S1' S output is connected respectively with relay K1 and relay K3 'S normally open contact' S one end, and relay K1 'S normally open contact' S the other end is connected with mains charging controller 11, and mains charging controller 11 is connected with a plurality of energy storage unit 12 of group, and mains charging controller 11 changes AC220V commercial power into the charging voltage of energy storage unit 12, charges to energy storage unit 12. Each energy storage unit 2 comprises a plurality of storage batteries, and lead-acid batteries and lithium batteries can be adopted. The energy storage units 12 are connected with a combiner box 13, the combiner box 13 connects the energy storage units 12 to convert the input voltage required by the inverter unit 14, the combiner box 13 is connected with the inverter unit 14, and the inverter unit 14 converts the direct-current voltage provided by the combiner box 13 into 220V alternating current. The inverter unit 14 is connected with one end of the normally open contact of the relay K2, the other ends of the normally open contacts of the relay K2 and the relay K3 are connected with the charging pile 2, and the relay K1, the relay K2 and the relay K3 are connected with the controller 15 respectively. The controller 15 includes a programmable controller and a single chip microcomputer, and the main controller 15 can set specific time according to the time endpoints of the peak-valley period and the peak period. In the peak-valley period, the controller 15 controls the relay K1 and the relay K3 to be attracted, and when the relay K1 is attracted, the commercial power charging controller 11 works to charge the energy storage unit 12. When relay K3 is closed, can directly adopt the commercial power to fill electric pile 2 and supply power. In the peak time period, the controller 15 controls the relay K2 to pull in, so that the charging pile 1 is powered by the electric energy stored in the energy storage unit 12. The controller 15 is used for controlling the relay K1 and the relay K3 to pull in the peak-valley period and controlling the relay K2 to pull in the peak-valley period.
Because the peak-valley section is mainly at night, so energy storage unit 12 can only charge at night, and the total capacity of energy storage unit 12 needs to be configured according to the socket quantity of charging pile 2 to satisfy the power supply demand at the peak period. The energy storage unit 12 of the embodiment of the utility model is further connected with a photovoltaic charging controller 16, and the photovoltaic charging controller 16 is connected with a photovoltaic module 17. The photovoltaic module 17 can convert solar energy into electric energy in daytime, and charges through the photovoltaic charge controller 16, so that the peak-valley section commercial power charging amount is reduced, the capacity of the energy storage unit 12 can be properly reduced, and the solar photovoltaic energy storage system is energy-saving and environment-friendly.
The photovoltaic charging system further comprises a power module 18, wherein the power module 18 is respectively connected with the energy storage unit 12, the controller 15, the photovoltaic charging controller 16, the commercial power charging controller 11 and the inverter unit 14. The power module 18 converts the electric energy stored in the energy storage unit 12 into the working voltage required by the operation of the controller 15, the photovoltaic charging controller 16, the commercial power charging controller 11 and the inverter unit 14, and can still work normally under the condition of commercial power loss. In order to prevent the electric quantity of the energy storage unit 12 from being exhausted, the control can not be normally performed, the electric quantity detection unit can be arranged to detect the electric quantity of the energy storage unit 12, when the electric quantity stored in the energy storage unit 12 is lower than a set threshold value, the controller 15 controls the relay K2 to lose power, and controls the relay K3 to pull in, so that the inversion power supply of the energy storage unit 12 is converted into the commercial power supply. The normally open contact of the relay K1 can be connected with the emergency charging switch S2 in parallel, and when the electric quantity of the energy storage unit is insufficient, the emergency charging switch S2 is closed to charge.
In order to realize that the charging pile 2 can be supplied with power in the state of loss of the mains supply, the embodiment of the utility model also comprises a relay K4 connected to the input end of the main switch S1, a normally open contact or a normally closed contact of the relay K4 is connected with the controller 15, when the mains supply is normal, the relay K4 is in a pull-in state, because in the normal state, the mains supply is only carried out in a peak-valley section, if the relay K4 loses the power in the peak-valley section, the mains supply is lost, at the moment, the controller 15 controls the normally open contact of the relay K3 to be disconnected, and controls the normally open contact of the relay K2 to pull in. Therefore, the mains supply is converted into the inversion power supply of the energy storage unit 12.
In order to clearly display the working state of the energy storage cabinet 1, a charging indicator lamp, a commercial power supply indicator lamp and an energy storage power supply indicator lamp are arranged on the energy storage cabinet 1. The charging indicator light, the mains supply indicator light and the energy storage and power supply indicator light are all LEDs, the LED1 in the figure is the charging indicator light, the LED2 is the mains supply indicator light, the LED3 is the energy storage and power supply indicator light, the normally open contacts of the relay K1, the relay K2 and the relay K3 are used for controlling the on and off of the LED1, the LED3 and the LED2 respectively, the anodes of the LED1, the LED3 and the LED2 are connected with the anode of the power module 18 through the normally open contacts of the relay K1, the relay K2 and the relay K3 respectively, the cathodes of the LED1, the LED2 and the LED3 are connected with the cathode of the power module 18, and it should be noted that the control can be performed through the controller 15.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that other parts not specifically described are within the prior art or common general knowledge to those of ordinary skill in the art. Without departing from the principle of the utility model, several improvements and modifications can be made, and these improvements and modifications should also be construed as the scope of the utility model.

Claims (8)

1. A time-sharing energy storage power supply charging device is characterized by comprising an energy storage cabinet and a charging pile, wherein the energy storage cabinet comprises a main switch S1 of which the input end is connected with AC220V commercial power, the output end of the main switch S1 is respectively connected with one ends of normally open contacts of a relay K1 and a relay K3, the other end of the normally open contact of the relay K1 is connected with a commercial power charging controller, the commercial power charging controller is connected with a plurality of groups of energy storage units, each energy storage unit comprises a plurality of storage batteries, the energy storage units are connected with a junction box, the junction box is connected with an inverter unit, the inverter unit is connected with one end of the normally open contact of a relay K2, the other ends of the normally open contacts of the relay K2 and the relay K3 are connected with the charging pile, the relay K1, the relay K2 and the relay K3 are respectively connected with a controller, and the controller is used for controlling the actuation of the relay K1 and the relay K3 in a peak-valley section, and is used to control relay K2 to pull in during peak periods.
2. The device for energy storage, power supply and charging according to claim 1, wherein the energy storage unit is further connected with a photovoltaic charge controller, and the photovoltaic charge controller is connected with the photovoltaic module.
3. The device for energy storage, power supply and charging according to claim 1, further comprising a power module, wherein the power module is connected to the energy storage unit, the controller, the photovoltaic charging controller, the commercial power charging controller and the inverter unit respectively.
4. The device for charging by time-sharing energy storage power supply of claim 1, further comprising a relay K4 connected to the input end of the main switch S1, wherein the contact of the relay K4 is connected with a controller, and in the peak-valley period, for example, when the relay K4 loses power, the controller controls the normally open contact of the relay K3 to be opened and controls the normally open contact of the relay K2 to be closed.
5. The device of claim 1, wherein the energy storage cabinet is provided with a charging indicator light, a commercial power supply indicator light and an energy storage and power supply indicator light.
6. The device of claim 5, wherein the charging indicator, the utility power indicator, and the energy storage power indicator are all LEDs.
7. The device of claim 1, wherein the controller comprises a programmable controller and a single-chip microcomputer.
8. The device of claim 1, wherein the battery comprises a lithium battery and a lead-acid battery.
CN202023106791.6U 2020-12-22 2020-12-22 Time-interval energy storage power supply charging device Active CN216033876U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023106791.6U CN216033876U (en) 2020-12-22 2020-12-22 Time-interval energy storage power supply charging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023106791.6U CN216033876U (en) 2020-12-22 2020-12-22 Time-interval energy storage power supply charging device

Publications (1)

Publication Number Publication Date
CN216033876U true CN216033876U (en) 2022-03-15

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ID=80534426

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023106791.6U Active CN216033876U (en) 2020-12-22 2020-12-22 Time-interval energy storage power supply charging device

Country Status (1)

Country Link
CN (1) CN216033876U (en)

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