CN210680450U - Electricity conversion system based on direct-current parallel connection light storage power supply - Google Patents
Electricity conversion system based on direct-current parallel connection light storage power supply Download PDFInfo
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- CN210680450U CN210680450U CN201921652609.1U CN201921652609U CN210680450U CN 210680450 U CN210680450 U CN 210680450U CN 201921652609 U CN201921652609 U CN 201921652609U CN 210680450 U CN210680450 U CN 210680450U
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- 238000006243 chemical reaction Methods 0.000 title claims description 16
- 230000005611 electricity Effects 0.000 title claims description 11
- 238000004146 energy storage Methods 0.000 claims abstract description 68
- 230000003287 optical effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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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
- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a power switching system based on direct current parallel light storage power supply, which comprises a power switching assembly, a commercial power and a photovoltaic assembly; the energy storage assembly is electrically connected with the battery replacing assembly in an alternating current mode; the photovoltaic panel is connected in parallel with the energy storage power supply. The photovoltaic energy storage power supply system based battery replacement system is additionally provided with a photovoltaic energy storage power supply system on the basis of the original power supply, so that the demand degree of a battery replacement station on commercial power is reduced, and the pressure of a power grid is reduced; the photovoltaic energy storage power supply system based battery replacement system is additionally provided with the photovoltaic energy storage power supply system on the basis of the original power supply, the demand degree of the battery replacement station on the commercial power is reduced, the requirement of the power capacity increasing specification for the construction of the battery replacement station is reduced, and the construction cost is reduced; this trade electric system based on photovoltaic energy storage power supply system has increased light storage power supply system on original power supply basis, and the power supply reliability improves.
Description
Technical Field
The utility model relates to an electric motor car electric shock technical field especially relates to a trade electric system based on parallelly connected light of direct current stores up power supply.
Background
The pure electric vehicle battery replacement station is a whole set of system for performing battery replacement service on a battery replacement type pure electric vehicle. The power supply system of the existing power conversion station supplies power for the mains supply singly. The power supply mode has high requirements on electric capacity increase of the construction of the power conversion station, so that the construction cost is high, the cost of the operation electricity charge of the power conversion station is high, and the risk of power failure of the commercial power exists.
Based on the above technical solutions, a person skilled in the art needs to develop an electricity switching system based on ac parallel optical storage power supply, which can be used in cooperation with commercial power, performs centralized power supply, and reduces use cost and operation cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can use with the commercial power cooperation, concentrate the power supply and reduce use cost and operation cost's the parallelly connected light of direct current based on store up the electric system that trades of power supply.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a trade electric system based on parallelly connected light of direct current stores up power supply, include:
the battery replacing component is a battery replacing pile, a power line connector is externally connected with the battery replacing component, and an electric vehicle battery is electrically connected with the battery replacing component through the power line connector;
the mains supply is electrically connected with the battery replacing component in the form of alternating current;
a photovoltaic module; and
the energy storage assembly is electrically connected with the battery replacing assembly in an alternating current mode;
the battery replacement system is provided with a plurality of control switches;
the connection state of a plurality of control switch control lines;
the photovoltaic module is a photovoltaic panel;
the energy storage assembly comprises an energy storage power supply;
the photovoltaic panel is connected in parallel with the energy storage power supply.
Further, the mains supply is electrically connected with the battery replacement component through a first circuit;
the photovoltaic module and the energy storage module are electrically connected with the battery replacing module through a second circuit.
Furthermore, the control switches are divided into a first control switch, a second control switch, a third control switch and a fourth control switch;
the first control switch is arranged on the first circuit and used for controlling the communication state of a commercial power and a power switching assembly;
the second control switch and the third control switch are both installed on the second line, and the fourth control switch is installed at the energy storage assembly.
Further, the photovoltaic panel receives light energy and converts the light energy into electric energy;
the energy storage assembly comprises an energy storage power supply and a light storage integrated inverter electrically connected to the power output end of the energy storage power supply;
the energy storage power supply is electrically connected with the light and storage integrated inverter in a direct current power transmission mode;
the photovoltaic panel is electrically connected with the light-storage integrated inverter in a direct-current power transmission mode
The light-storage integrated inverter converts direct current output by the energy storage power supply and the photovoltaic panel into alternating current and transmits the alternating current to the battery replacement assembly.
In the technical scheme, the utility model provides a pair of trade electric system based on parallelly connected light of direct current stores up power supply has following beneficial effect:
1) the photovoltaic energy storage power supply system based battery replacement system is additionally provided with a photovoltaic energy storage power supply system on the basis of the original power supply, so that the demand degree of a battery replacement station on commercial power is reduced, and the pressure of a power grid is reduced;
2) the photovoltaic energy storage power supply system based battery replacement system is additionally provided with the photovoltaic energy storage power supply system on the basis of the original power supply, the demand degree of the battery replacement station on the commercial power is reduced, the requirement of the power capacity increasing specification for the construction of the battery replacement station is reduced, and the construction cost is reduced;
3) the photovoltaic energy storage power supply system-based battery replacement system is additionally provided with a photovoltaic energy storage power supply system on the basis of the original power supply, so that the power supply reliability is improved;
4) the power source of the light storage power supply system is solar energy, and the light storage power supply system is clean, renewable and environment-friendly;
5) the energy storage system in the optical storage power supply system can store redundant free solar energy and supply the solar energy to the power conversion station for use, so that the energy consumption is saved;
6) the energy storage system in the optical storage power supply system can store redundant free solar energy, and the solar energy is supplied to the power conversion station for use when the commercial power is cut off, so that the standby power function is realized.
7) The energy storage system in the optical storage power supply system can store electric quantity with low price at night, and the electric quantity is supplied to the electricity changing station for use when the electricity price is higher in the daytime, so that the electricity charge expense is saved;
8) the photovoltaic system and the energy storage system can independently supply power to the power conversion station.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a system schematic block diagram of a power conversion system based on a dc parallel optical storage power supply provided by an embodiment of the present invention.
Description of reference numerals:
1. a battery replacement component; 2. commercial power; 3. a photovoltaic panel; 4. an energy storage assembly;
201. a first line; 202. a second line;
301. a photovoltaic panel;
401. an energy storage power supply; 402. a light-storage integrated inverter;
501. a first control switch; 502. a second control switch; 503. a third control switch; 504. and a fourth control switch.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1;
the utility model discloses a trade electric system based on parallelly connected light of direct current stores up power supply, include:
the battery replacing component 1 is a battery replacing pile, the battery replacing component 1 is externally connected with a power line connector, and an electric vehicle battery is electrically connected with the battery replacing component 1 through the power line connector;
the mains supply 2 is electrically connected with the power exchanging assembly 1 in an alternating current mode;
a photovoltaic module; and
the energy storage assembly 4 is electrically connected with the battery replacing assembly 1 in an alternating current mode;
the battery replacement system is provided with a plurality of control switches;
the connection state of the control switch control lines;
the photovoltaic module is a photovoltaic panel 3;
the energy storage assembly 4 comprises an energy storage power supply 401;
the photovoltaic panel 3 is connected in parallel with the energy storage power source 401.
The mains supply 2 is electrically connected with the battery replacing component 1 through a first circuit 201;
the photovoltaic module 3 and the energy storage module 4 are electrically connected with the battery replacement module 1 through a second line 202.
The control switches are divided into a first control switch 501, a second control switch 502, a third control switch 503 and a fourth control switch 504;
the first control switch 501 is installed on the first line 201 and used for controlling the communication state of the commercial power 2 and the power conversion assembly 1;
the second control switch 502 and the third control switch 503 are both installed on the second line 202, and the fourth control switch 504 is installed at the energy storage assembly 4.
The photovoltaic panel 3 receives light energy and converts the light energy into electric energy;
the energy storage assembly 4 comprises an energy storage power source 401 and a light storage integrated inverter 402 electrically connected to the power output end of the energy storage power source 401;
the energy storage power source 401 is electrically connected with the light and storage integrated inverter 402 in a direct current power transmission mode;
the photovoltaic panel 3 is electrically connected to the light-storage integrated inverter 402 in a direct-current power transmission manner.
The light-storage integrated inverter 402 converts direct current output by the energy storage power source 401 and the photovoltaic panel 3 into alternating current and transmits the alternating current to the battery replacement assembly 1.
This embodiment specifically discloses a can be with commercial power to trading power supply system that electric component 1 carries out the power supply together, wherein, trades electric component 1 for trading the electric stake, should trade the electric stake adopt choose for use the technical routine trade the electric stake can, it connects with the electric motor car battery through external power cord to can carry the electric energy to the electric motor car. In consideration of the increase of the use cost of the utility power 2, the present embodiment integrates the photovoltaic system and the energy storage system, wherein the communication states of the five control switches are switched by the controller so as to be able to realize the switching of the plurality of operation modes.
The specific working modes are switched as follows:
the first mode of operation: when only the first control switch 501 is connected, the power exchanging assembly 1 is powered by only the mains supply 2;
the second working mode is as follows: when the first control switch 501, the second control switch 502 and the third control switch 503 are communicated, the power conversion assembly 1 is supplied with power through the mains supply 2, the energy storage assembly 4 and the photovoltaic panel 3:
the third mode of operation: the second control switch 502 and the third control switch 502 are communicated, and the photovoltaic module 3 supplies power to the battery replacement module 1.
The inverter is a converter which converts direct current electric energy (batteries and storage batteries) into constant-frequency constant-voltage or frequency-modulation voltage-regulation alternating current (generally 220V,50Hz sine wave).
The supply voltages of the mains supply 2, the photovoltaic module 3 and the energy storage module 4 in this embodiment are all 380V.
In the technical scheme, the utility model provides a pair of trade electric system based on exchange parallelly connected light and store up power supply has following beneficial effect:
1) the photovoltaic energy storage power supply system based battery replacement system is additionally provided with a photovoltaic energy storage power supply system on the basis of the original power supply, so that the demand degree of a battery replacement station on commercial power is reduced, and the pressure of a power grid is reduced;
2) the photovoltaic energy storage power supply system based battery replacement system is additionally provided with the photovoltaic energy storage power supply system on the basis of the original power supply, the demand degree of the battery replacement station on the commercial power 2 is reduced, the requirement of the power capacity increasing specification for the construction of the battery replacement station is reduced, and the construction cost is reduced;
3) the photovoltaic energy storage power supply system-based battery replacement system is additionally provided with a photovoltaic energy storage power supply system on the basis of the original power supply, so that the power supply reliability is improved;
4) the power source of the light storage power supply system is solar energy, and the light storage power supply system is clean, renewable and environment-friendly;
5) the energy storage system in the optical storage power supply system can store redundant free solar energy and supply the solar energy to the power conversion station for use, so that the energy consumption is saved;
6) the energy storage system in the optical storage power supply system can store redundant free solar energy, and the solar energy is supplied to the power conversion station for use when the commercial power 1 is cut off, so that the standby power function is realized.
7) The energy storage system in the optical storage power supply system can store electric quantity with low price at night, and the electric quantity is supplied to the electricity changing station for use when the electricity price is higher in the daytime, so that the electricity charge expense is saved;
8) the photovoltaic system and the energy storage system can independently supply power to the power conversion station.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (4)
1. The utility model provides a trade electric system based on parallelly connected light of direct current stores up power supply which characterized in that includes:
the battery replacing component (1) is a battery replacing pile, the battery replacing component (1) is externally connected with a power line connector, and an electric vehicle battery is electrically connected with the battery replacing component (1) through the power line connector;
the mains supply (2), the mains supply (2) is electrically connected with the battery replacing component (1) in the form of alternating current;
a photovoltaic module; and
the energy storage assembly (4), the energy storage assembly (4) is electrically connected with the battery replacement assembly (1) in the form of alternating current;
the battery replacement system is provided with a plurality of control switches;
the connection state of a plurality of control switch control lines;
the photovoltaic component is a photovoltaic panel (3);
the energy storage assembly (4) comprises an energy storage power supply (401);
the photovoltaic panel (3) is connected in parallel with the energy storage power source (401).
2. The system for switching power supply based on direct current parallel connection optical storage power supply according to claim 1, wherein the commercial power (2) is electrically connected with the power switching assembly (1) through a first line (201);
the photovoltaic module and the energy storage module (4) are electrically connected with the battery replacing module (1) through a second circuit (202).
3. The system according to claim 2, wherein the control switches are divided into a first control switch (501), a second control switch (502), a third control switch (503) and a fourth control switch (504);
the first control switch (501) is installed on the first line (201) and used for controlling the communication state of the commercial power (2) and the power conversion assembly (1);
the second control switch (502) and the third control switch (503) are both installed on the second line (202), and the fourth control switch (504) is installed at the energy storage assembly (4).
4. The system for switching power based on direct current parallel optical storage power supply according to claim 3, wherein the photovoltaic panel (3) receives light energy and converts the light energy into electric energy;
the energy storage assembly (4) comprises an energy storage power supply (401) and a light and energy storage integrated inverter (402) which is electrically connected to the power output end of the energy storage power supply (401);
the energy storage power supply (401) is electrically connected with the light and energy storage integrated inverter (402) in a direct current power transmission mode;
the photovoltaic panel (3) is electrically connected with the light-storage integrated inverter (402) in a direct-current power transmission mode
The light-storage integrated inverter (402) converts direct current output by the energy storage power source (401) and the photovoltaic panel (3) into alternating current and transmits the alternating current to the electricity conversion assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652609.1U CN210680450U (en) | 2019-09-29 | 2019-09-29 | Electricity conversion system based on direct-current parallel connection light storage power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652609.1U CN210680450U (en) | 2019-09-29 | 2019-09-29 | Electricity conversion system based on direct-current parallel connection light storage power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210680450U true CN210680450U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921652609.1U Active CN210680450U (en) | 2019-09-29 | 2019-09-29 | Electricity conversion system based on direct-current parallel connection light storage power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210680450U (en) |
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2019
- 2019-09-29 CN CN201921652609.1U patent/CN210680450U/en active Active
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