CN215360976U - Alternating current-direct current fills electric pile - Google Patents

Alternating current-direct current fills electric pile Download PDF

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Publication number
CN215360976U
CN215360976U CN202120858656.2U CN202120858656U CN215360976U CN 215360976 U CN215360976 U CN 215360976U CN 202120858656 U CN202120858656 U CN 202120858656U CN 215360976 U CN215360976 U CN 215360976U
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port
direct current
power supply
bidirectional
alternating current
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CN202120858656.2U
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Inventor
张朋
阳岳丰
丁增付
潘子娇
许林冲
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Sungrow Power Supply Co Ltd
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Sungrow Power Supply 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
    • 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
    • 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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Abstract

The utility model discloses an alternating current and direct current charging pile. The alternating current and direct current charging pile comprises at least one direct current port, at least one alternating current port and a first power supply device; the first power supply device is used for outputting a direct current signal to the direct current port and outputting an alternating current signal to the alternating current port; the direct current port is used for outputting a direct current signal output by the first power supply device and/or receiving a direct current signal output by external direct current equipment; and the alternating current port is used for outputting the alternating current signal output by the first power supply device and/or receiving the alternating current signal output by external alternating current equipment. This technical scheme has realized the alternating current-direct current charging to external consumer.

Description

Alternating current-direct current fills electric pile
Technical Field
The embodiment of the utility model relates to a power supply technology, in particular to an alternating current and direct current charging pile.
Background
The electric vehicle, as a novel vehicle newly developed in recent years, has the advantages that many other vehicles do not have, such as lightness, environmental protection, economy and the like. Along with the rapid development of electric vehicles, the construction of the basic supporting facilities of the electric vehicles, namely the electric vehicle charging piles, is particularly important.
The power supply performance of the existing mobile charging pile is single, the charging is limited to the charging of a direct current electric vehicle, an application scene has certain limitation, and the power supply requirements of different occasions cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model provides an alternating current and direct current charging pile, which is used for realizing alternating current and direct current charging of external electric equipment.
The utility model provides an alternating current-direct current charging pile, and the embodiment of the utility model comprises: the system comprises at least one direct current port, at least one alternating current port and a first power supply device;
the first power supply device is used for outputting a direct current signal to the direct current port and outputting an alternating current signal to the alternating current port;
the direct current port is used for outputting a direct current signal output by the first power supply device and/or receiving a direct current signal output by external direct current equipment;
the alternating current port is used for outputting the alternating current signal output by the first power supply device and/or receiving the alternating current signal output by external alternating current equipment.
Optionally, the at least one dc port includes at least two dc output ports and at least one dc input port;
the at least two DC output ports comprise a first DC output port and a second DC output port; the first DC output port is of a different type than the second DC output port.
Optionally, a part of the dc input ports of the at least one dc input port are multiplexed as the dc output ports.
Optionally, the at least one ac port includes at least two ac output ports and at least one ac input port;
the at least two AC output ports comprise a first AC output port and a second AC output port; the first AC output port is of a different type than the second AC output port.
Optionally, a part of the ac input ports of the at least one ac input port are multiplexed as the ac output ports.
Optionally, the first power supply device includes a bidirectional AC/DC converter and an energy storage unit;
a first terminal of the bidirectional AC/DC converter is electrically connected with at least one of the direct current ports; a second terminal of the bidirectional AC/DC converter is electrically connected with at least one of the AC ports; the third end of the bidirectional AC/DC converter is electrically connected with the energy storage unit;
the bidirectional AC/DC converter is used for converting a direct current signal and an alternating current signal in a bidirectional way;
the energy storage unit is used for storing and outputting the direct current signal converted by the bidirectional AC/DC converter.
Optionally, the first power supply device further includes a bidirectional DC/DC power transmission unit and a bidirectional AC/AC power transmission unit;
a first end of the bidirectional DC/DC power transmission unit is electrically connected with at least one direct current port; the second end of the bidirectional DC/DC electric energy transmission unit is electrically connected with the bidirectional AC/DC converter and the energy storage unit respectively;
the bidirectional DC/DC electric energy transmission unit is used for transmitting a direct current signal;
a first end of the bidirectional AC/AC power transmission unit is electrically connected with at least one of the AC ports; a second terminal of the bidirectional AC/AC power transmission unit is electrically connected with the bidirectional AC/DC converter;
the bidirectional AC/AC power transmission unit is used for transmitting alternating current signals.
Optionally, this alternating current-direct current fills electric pile still includes: a second power supply device;
the second power supply device is used for outputting a direct current signal to the direct current port and is also used for outputting an alternating current signal to the alternating current port.
Optionally, this alternating current-direct current fills electric pile still includes: the controller is in communication connection with the first power supply device and the second power supply device respectively;
the controller is used for controlling the first power supply device and/or the second power supply device to output alternating current and direct current signals; and controlling the energy conversion in the first power supply means and/or the second power supply means.
Optionally, this alternating current-direct current fills electric pile still includes: a mobile platform device; the at least one direct current port, the at least one alternating current port and the first power supply device are arranged in the mobile platform device;
the mobile platform device is used for moving at least one direct current port, at least one alternating current port and the first power supply device.
In the embodiment, a first power supply device outputs a direct current signal to a direct current port and outputs an alternating current signal to an alternating current port; the direct current port outputs a direct current signal output by the first power supply device and/or receives a direct current signal output by external direct current equipment; the alternating current port outputs the alternating current signal output by the first power supply device and/or receives the alternating current signal output by the external alternating current equipment. Thus, alternating current and direct current charging of external electric equipment is realized. The problem of fill electric pile's power supply performance among the prior art single, be limited to only charge for direct current electric motor car, the application scene has certain limitation scheduling is solved.
Drawings
Fig. 1 is a schematic structural diagram of an ac/dc charging pile according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another ac/dc charging pile according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another ac/dc charging pile according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic structural diagram of an ac/dc charging pile according to an embodiment of the present invention, as shown in fig. 1, the ac/dc charging pile includes at least one dc port 10, at least one ac port 20, and a first power supply device 30; the first power supply device 30 is configured to output a dc signal to the dc port 10 and also output an ac signal to the ac port 20; the dc port 10 is configured to output a dc signal output by the first power supply device 30 and/or receive a dc signal output by an external dc device; the ac port 20 is used for outputting an ac signal output by the first power supply device 30 and/or receiving an ac signal output by an external ac device.
Wherein, this alternating current-direct current fills electric pile's power supply principle does: the external direct current device provides direct current power into the first power supply device 30 through the direct current port 10, and the external alternating current device provides alternating current power into the first power supply device 30 through the alternating current port 20; first power supply unit 30 is with the alternating current direct current electric energy of storage respectively through direct current port 10 to direct current consumer power such as direct current electric motor car, through exchanging port 20 to exchanging power consumer power such as alternating current electric motor car, so this technical scheme has realized through at least one direct current port 10 and at least one exchange port 20 that the alternating current direct current fills electric pile and charges to the alternating current of outside consumer, it is single to have solved present power supply unit power supply performance, only charge for direct current device, the application scene has certain limitation scheduling problem.
Optionally, fig. 2 is a schematic structural diagram of another ac/dc charging pile according to an embodiment of the present invention, and as shown in fig. 2, the at least one dc port 10 includes at least two dc output ports and at least one dc input port 13; the at least two dc output ports include a first dc output port 11 and a second dc output port 12; the first dc output port 11 is of a different type than the second dc output port 12.
Specifically, the external dc device provides dc power to the first power supply device 30 through the dc input port 13, and the dc power provided by the first power supply device 30 provides power to the dc power consumption device through at least one dc output port; it should be noted here that the at least one dc output port may include two or more dc output ports, for example, the at least one dc output port includes a first dc output port 11 and a second dc output port 12, the port types of the first dc output port 11 and the second dc output port 12 are different, specifically, the voltage levels of the two ports of the first dc output port 11 and the second dc output port 12 are different, that is, different dc signals are output to the dc power consuming device through the two different dc output ports of the first dc output port 11 and the second dc output port 12, so as to meet the power supply requirements of different dc power consuming devices; illustratively, the dc power provided by the first power supply device 30 is supplied to the dc electric vehicle through the first dc output port 11, and the dc power provided by the first power supply device 30 is supplied to other dc devices, such as a dc notebook, through the second dc output port 12.
Optionally, referring to fig. 2, a part of the dc input ports of the at least one dc input port are multiplexed into the dc output port.
Wherein, direct current input port 13 is the two-way transmission port of signal, make direct current input port 13 can also regard as direct current output port, as direct current input port 13 as direct current output port, the direct current electric energy of first power supply unit 30 output exports direct current consumer from direct current input port 13, and the direct current electric energy that direct current input port 13 exported can have different power with the direct current electric energy of other direct current output port outputs, first power supply unit 30 can supply power to the outside direct current consumer of different power demands like this, thereby make the alternating current-direct current fill electric pile satisfy the power supply demand of the outside direct current consumer of different power size.
Optionally, with continued reference to fig. 2, the at least one ac port 20 includes at least two ac output ports and at least one ac input port 23; the at least two ac output ports include a first ac output port 21 and a second ac output port 22; the first ac output port 21 is of a different type than the second ac output port 22.
The external alternating current equipment supplies alternating current power to the first power supply device 30 through the alternating current input port 23, and the alternating current power supplied by the first power supply device 30 supplies power to the alternating current electric equipment through at least one alternating current output port; it should be noted here that the at least one ac output port may include two or more ac output ports, for example, the at least one ac output port includes a first ac output port 21 and a second ac output port 22, the port types of the first ac output port 21 and the second ac output port 22 are different, specifically, the voltage levels of the ports at the first dc output port 11 and the second dc output port 12 are different, that is, different ac signals are output to the ac electric device through the two different ac output ports at the first ac output port 21 and the second ac output port 22, so as to meet the power supply requirements of different ac electric devices; illustratively, the ac power provided by the first power supply device 30 is supplied to the ac electric vehicle through the first ac output port 21, and the ac power provided by the first power supply device 30 is supplied to other ac devices, such as an ac motor, through the second ac output port 22.
Optionally, with continued reference to fig. 2, a portion of the ac input ports of the at least one ac input port are multiplexed into ac output ports.
The ac input port 23 is a signal bidirectional transmission port, so that the ac input port 23 can also be used as an ac output port, when the ac input port 23 is used as an ac output port, the ac power output by the first power supply device 30 is output from the ac input port 23 to the ac power consuming equipment, and the ac power output by the ac input port 23 can have different powers from the dc power output by the other ac output ports, so that the first power supply device 30 can supply power to different external ac power consuming equipments, thereby making the whole ac/dc charging pile meet the power supply requirements of the external ac power consuming equipments with different powers.
Optionally, fig. 3 is a schematic structural diagram of another AC/DC charging pile according to an embodiment of the present invention, and as shown in fig. 3, the first power supply device 30 includes a bidirectional AC/DC converter 31 and an energy storage unit 32; a first terminal of the bidirectional AC/DC converter 31 is electrically connected to at least one DC port 10; a second terminal of the bidirectional AC/DC converter 31 is electrically connected to the at least one AC port 20; the third end of the bidirectional AC/DC converter 31 is electrically connected with the energy storage unit 32; the bidirectional AC/DC converter 31 is used for bidirectionally converting a direct current signal and an alternating current signal; the energy storage unit 32 is used for storing and outputting the direct current signal converted by the bidirectional AC/DC converter.
Further, referring to fig. 3, the first power supply device 30 further includes a bidirectional DC/DC power transmission unit 33 and a bidirectional AC/AC power transmission unit 34; a first end of the bidirectional DC/DC power transmission unit 33 is electrically connected with the at least one direct current port 10; a second end of the bidirectional DC/DC power transmission unit 33 is electrically connected with the bidirectional AC/DC converter 31 and the energy storage unit 32, respectively; a bidirectional DC/DC power transmission unit 33 for transmitting a direct current signal; a first end of the bi-directional AC/AC power transfer unit 34 is electrically connected to the at least one AC port 20; a second terminal of the bidirectional AC/AC power transmission unit 34 is electrically connected to the bidirectional AC/DC converter 31; and a bidirectional AC/AC power transmission unit 34 for performing transmission of an alternating current signal.
In the actual power supply process, the energy storage unit 32 stores direct current power, an alternating current signal input through the alternating current input port 23 is transmitted to the bidirectional AC/DC converter 31 through the bidirectional AC/AC power transmission unit 34, and the bidirectional AC/DC converter 31 converts the alternating current signal into a direct current signal and stores the direct current signal in the energy storage unit 32; the direct current signal input through the direct current input port 13 is stored in the energy storage unit 32 through the bidirectional DC/DC power transmission unit 33; when external electric equipment needs to be charged, the energy storage unit 32 can convert a direct current signal stored in the energy storage unit into an alternating current signal through the bidirectional AC/DC converter 31, and the alternating current signal is transmitted to each alternating current output port through the bidirectional AC/AC electric energy transmission unit 34 so that the energy storage unit 32 can supply power to different alternating current external electric equipment; or the direct current signal stored in the energy storage unit 32 is transmitted to each direct current output port through the bidirectional DC/DC power transmission unit 33 to realize that the energy storage unit 32 charges alternating current and direct current of different external direct current devices.
It is understood that since the bidirectional AC/DC converter 31 is a signal bidirectional outputter; the direct current signal input through the direct current input port 10 can be transmitted through the bidirectional DC/DC power transmission unit 33 and then output to the bidirectional AC/DC converter 31, and the bidirectional AC/DC converter 31 converts the direct current signal into an alternating current signal and transmits the alternating current signal to each alternating current output port through the bidirectional AC/AC power transmission unit 34; the AC signal passing through the AC input port 20 may also be transmitted to the bidirectional AC/DC converter 31 through the bidirectional AC/AC power transmission unit 34, and the bidirectional AC/DC converter 31 converts the AC signal into a DC signal and transmits the DC signal to each DC output port through the bidirectional DC/DC power transmission unit 33. Thus, alternating current and direct current charging of external alternating current and direct current equipment in various modes is realized.
Optionally, referring to fig. 3, the dc charging pile further includes a second power supply device 40; the second power supply device 40 is configured to output a dc signal to the dc port and also output an ac signal to the ac port.
The second power supply device 40 may be a standby power supply device, such as a diesel power generation device, a photovoltaic power generation station, or the like; when the electric quantity of the direct current electric energy stored in the energy storage unit 32 is insufficient, the second power supply device 40 supplies power to the alternating current electric equipment with different power through the bidirectional AC/AC electric energy transmission unit 34 and through each alternating current output port; the second power supply device 40 can also supply power to the direct current electric equipment with different power through the bidirectional AC/AC power transmission unit 34, the bidirectional AC/DC converter 31 and the bidirectional DC/DC power transmission unit 33 via the direct current output ports, so that the reliability, the safety and the power supply duration of the alternating current/direct current charging pile are greatly improved.
Optionally, the ac/dc charging pile further includes a controller 50, and the controller 50 is in communication connection with the first power supply device 30 and the second power supply device 40 respectively; a controller 50 for controlling the first power supply device 30 and/or the second power supply device 40 to output ac/dc signals; and controls the energy conversion in the first power supply device 30 and/or the second power supply device 40.
The controller 50 can control energy output and energy conversion in the first power supply device 30 and the second power supply device 40 according to the energy storage unit 32 of the first power supply device 30 and the electric energy in the second power supply device 40 so as to meet power supply requirements of different alternating current/direct current electric equipment, complete energy scheduling of the whole alternating current/direct current charging pile, and improve reliability of the whole alternating current/direct current charging pile.
Optionally, the ac/dc charging pile further comprises a mobile platform device; at least one DC port 10, at least one AC port 20 and a first power supply device 30 are arranged in the mobile platform device; the mobile platform device is used for moving the at least one dc port 10, the at least one ac port 20 and the first power supply device 30. Like this the electric pile is filled to the alternating current-direct current sets up in the moving platform device, and this moving platform device can remove at will, can realize that whole alternating current-direct current fills electric pile's mobility, realizes the alternating current-direct current power supply demand under the different scenes.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. An alternating current-direct current charging pile is characterized by comprising: the system comprises at least one direct current port, at least one alternating current port and a first power supply device;
the first power supply device is used for outputting a direct current signal to the direct current port and outputting an alternating current signal to the alternating current port;
the direct current port is used for outputting a direct current signal output by the first power supply device and/or receiving a direct current signal output by external direct current equipment;
the alternating current port is used for outputting the alternating current signal output by the first power supply device and/or receiving the alternating current signal output by external alternating current equipment.
2. The ac-dc charging post according to claim 1, wherein said at least one dc port comprises at least two dc output ports and at least one dc input port;
the at least two DC output ports comprise a first DC output port and a second DC output port; the first DC output port is of a different type than the second DC output port.
3. The ac-dc charging post according to claim 2, wherein a portion of said at least one dc input port is multiplexed into said dc output port.
4. The ac-dc charging pole according to claim 1, wherein said at least one ac port comprises at least two ac output ports and at least one ac input port;
the at least two AC output ports comprise a first AC output port and a second AC output port; the first AC output port is of a different type than the second AC output port.
5. The ac-dc charging post according to claim 4, wherein a portion of the at least one ac input port is multiplexed into the ac output port.
6. The AC-DC charging pole according to claim 1, wherein the first power supply device comprises a bidirectional AC/DC converter and an energy storage unit;
a first terminal of the bidirectional AC/DC converter is electrically connected with at least one of the direct current ports; a second terminal of the bidirectional AC/DC converter is electrically connected with at least one of the AC ports; the third end of the bidirectional AC/DC converter is electrically connected with the energy storage unit;
the bidirectional AC/DC converter is used for converting a direct current signal and an alternating current signal in a bidirectional way;
the energy storage unit is used for storing and outputting the direct current signal converted by the bidirectional AC/DC converter.
7. The AC-DC charging post according to claim 6, wherein the first power supply device further comprises a bidirectional DC/DC power transmission unit and a bidirectional AC/AC power transmission unit;
a first end of the bidirectional DC/DC power transmission unit is electrically connected with at least one direct current port; the second end of the bidirectional DC/DC electric energy transmission unit is electrically connected with the bidirectional AC/DC converter and the energy storage unit respectively;
the bidirectional DC/DC electric energy transmission unit is used for transmitting a direct current signal;
a first end of the bidirectional AC/AC power transmission unit is electrically connected with at least one of the AC ports; a second terminal of the bidirectional AC/AC power transmission unit is electrically connected with the bidirectional AC/DC converter;
the bidirectional AC/AC power transmission unit is used for transmitting alternating current signals.
8. The ac-dc charging pole according to claim 1, further comprising: a second power supply device;
the second power supply device is used for outputting a direct current signal to the direct current port and is also used for outputting an alternating current signal to the alternating current port.
9. The ac-dc charging pole according to claim 8, further comprising: the controller is in communication connection with the first power supply device and the second power supply device respectively;
the controller is used for controlling the first power supply device and/or the second power supply device to output alternating current and direct current signals; and controlling the energy conversion in the first power supply means and/or the second power supply means.
10. The ac-dc charging pole according to claim 1, further comprising: a mobile platform device; the at least one direct current port, the at least one alternating current port and the first power supply device are arranged in the mobile platform device;
the mobile platform device is used for moving at least one direct current port, at least one alternating current port and the first power supply device.
CN202120858656.2U 2021-04-23 2021-04-23 Alternating current-direct current fills electric pile Active CN215360976U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120858656.2U CN215360976U (en) 2021-04-23 2021-04-23 Alternating current-direct current fills electric pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120858656.2U CN215360976U (en) 2021-04-23 2021-04-23 Alternating current-direct current fills electric pile

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