CN211493698U - Charging pile - Google Patents

Charging pile Download PDF

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Publication number
CN211493698U
CN211493698U CN201921040445.7U CN201921040445U CN211493698U CN 211493698 U CN211493698 U CN 211493698U CN 201921040445 U CN201921040445 U CN 201921040445U CN 211493698 U CN211493698 U CN 211493698U
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China
Prior art keywords
selector
charging
output
output branch
branch
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Expired - Fee Related
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CN201921040445.7U
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Chinese (zh)
Inventor
梁秀娟
嵇海旭
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Guangdong Ocean University
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Guangdong Ocean University
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Priority to CN201921040445.7U priority Critical patent/CN211493698U/en
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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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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The utility model provides a fill electric pile, include: a power supply; a charging port; the output circuit comprises at least two output branches, wherein the at least two output branches comprise a direct current output branch and an alternating current output branch; the controller is in communication connection with the charging port and the output circuit, and is used for selecting an output branch matched with the charging type to be accessed between the charging power supply and the charging port according to the charging type of the equipment to be charged accessed by the charging port. Like this, fill electric pile can be to the electric automobile of different charging methods, and the charging circuit that automatic matching corresponds charges, and the wireless electric automobile to every charging method all sets up the electric pile that fills that corresponds respectively, has greatly saved the overall arrangement cost that fills electric pile, has improved convenience and the degree of automation that electric automobile charges.

Description

Charging pile
Technical Field
The utility model relates to the technical field of vehicles, in particular to fill electric pile.
Background
Along with the development of vehicle technology, electric automobile's use is also more and more common, also more and more for electric automobile's the electric pile that charges. The charging mode of the electric automobile comprises an alternating current charging mode and a direct current charging mode, and the specific charging mode is related to parameters such as the type of the automobile, the model of the automobile battery and the like. Correspondingly, the existing charging pile mainly comprises an alternating current charging pile and a direct current charging pile, the alternating current charging pile is specially used for charging the electric automobile in the alternating current charging mode, and the direct current charging pile is specially used for charging the electric automobile in the direct current charging mode. Thus, two types of charging piles are distributed in various places. When the electric automobile needs to be charged, the electric automobile can be charged only by the charging pile corresponding to the charging mode.
Therefore, the technical problems of high layout cost and limited charging mode exist in the conventional charging pile.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a fill electric pile to solve present electric pile that fills and have the technical problem that the overall arrangement cost is higher, the charging mode is comparatively limited.
In order to solve the technical problem, the utility model discloses a realize like this:
an embodiment of the utility model provides a fill electric pile, include:
a power supply;
a charging port;
the output circuit at least comprises a direct current output branch and an alternating current output branch;
the controller is in communication connection with the charging port and the output circuit, and is used for selecting an output branch matched with the charging type to be accessed between the charging power supply and the charging port according to the charging type of the equipment to be charged accessed by the charging port.
Optionally, the output circuit includes a first selector, a second selector, a dc output branch and an ac output branch; wherein the content of the first and second substances,
the fixed end of the first selector is connected with the output end of the power supply, and the selection end of the first selector is connected with the input end of the direct current output branch or the input end of the alternating current output branch;
a fixed end of the second selector is connected with an input end of the direct current output branch or an input end of the alternating current output branch, and a selection end of the second selector is connected with the charging port;
the controller is in communication connection with both the first selector and the second selector, and is used for connecting the direct current output branch or the alternating current output branch between the selection end of the first selector and the selection end of the second selector.
Optionally, the dc output branch includes: the device comprises a rectifier, a metering unit and a power conversion unit; wherein the content of the first and second substances,
the input end of the rectifier is electrically connected with the selection end of the first selector, the output end of the rectifier is connected with the input end of the metering unit and the input end of the power conversion unit, the output end of the power conversion unit is connected with the charging port, and the metering unit is connected with the controller.
Optionally, the ac output branch includes:
the device comprises a rectifier, an inverter, a metering unit and a power conversion unit;
the input end of the rectifier is electrically connected with the selection end of the first selector, the output end of the rectifier is connected with the input end of the metering unit and the input end of the power conversion unit, the output end of the power conversion unit is connected with the input end of the inverter, the output end of the inverter is connected with the charging port, and the metering unit is connected with the controller.
Optionally, the first selector and/or the second selector are single-pole double-throw switches.
Optionally, the output circuit includes:
the charging system comprises a direct current output branch circuit, an inversion branch circuit, a third selector and a fourth selector, wherein the input end of the direct current output branch circuit is connected with the output end of the charging power supply, the output end of the direct current output branch circuit is connected with the fixed end of the third selector, and the fixed end of the fourth selector is connected with the charging port;
the controller is used for controlling the output end of the direct current output branch circuit to be connected to the charging port through a third selector and a fourth selector if the charging type of the equipment to be charged is a direct current output circuit;
and if the charging type of the equipment to be charged is an alternating current output branch, controlling an output port of the direct current output branch to be connected with an input end of the inversion branch through the third selector, and controlling an output end of the inversion branch to be connected with the charging port through the fourth selector.
Optionally, the power supply is an ac power supply.
Optionally, the third selector and/or the fourth selector are single-pole double-throw switches.
The embodiment of the utility model provides a fill electric pile, including power supply, charging port, output circuit and controller, the output circuit who connects between power supply and charging port includes two kinds at least output branch road, and like this, the controller can be according to the type of charging of the equipment of waiting to charge that charging port inserts, selects the output branch road of matching as the charging circuit who fills electric pile in two kinds at least output branch road of output circuit. Like this, fill electric pile can be to the electric automobile of different charging methods, and the charging circuit that automatic matching corresponds charges, and the wireless electric automobile to every charging method all sets up the electric pile that fills that corresponds respectively, has greatly saved the overall arrangement cost that fills electric pile, has improved convenience and the degree of automation that electric automobile charges.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a charging pile according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another charging pile provided in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of another charging pile provided by the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a charging pile provided by an embodiment of the present invention. As shown in fig. 1, the charging pile 100 mainly includes:
a power supply 110;
a charging port 120;
an output circuit 130, which at least includes a dc output branch 131 and an ac output branch 132;
the controller 140 is in communication connection with both the charging port 120 and the output circuit 130, and the controller 140 is configured to select an output branch matched with the charging type to be connected between the charging power supply and the charging port 120 according to the charging type of the device to be charged connected to the charging port 120.
In this embodiment, the power supply 110 of the charging pile 100 is connected to the output circuit 130, the output circuit 130 is connected to the charging port 120, and the charging port 120 is directly connected to the charging port of the electric vehicle. Optionally, the power supply 110 is an ac power supply.
The output circuit 130 includes at least two output branches, which may include a dc output branch 131 and an ac output branch 132, where the dc output branch 131 outputs an electrical signal of a dc type, and the ac output branch 132 outputs an electrical signal of an ac type.
The charging port 120 is a docking component between the charging pile 100 and the electric vehicle, and is usually a dc charging interface or an ac charging interface, considering that charging interfaces of different electric vehicles may be different. Correspondingly, the charging ports 120 of the charging pile 100 also include at least two charging ports 120, that is, a dc charging port 120 corresponding to a dc charging interface and an ac charging port 120 corresponding to an ac charging interface, and the two charging ports 120 are both docked to the output end of the output circuit 130 at the same time. That is, if the dc charging port 120 is connected to the dc charging interface, the output circuit 130 selects the dc output branch 131 to charge the external electric vehicle through the dc charging port 120; if the ac charging port 120 is connected to the ac charging port, the output circuit 130 selects the ac output branch 132 to charge the external electric vehicle through the ac charging port 120.
In addition, the charging pile 100 further comprises a controller 140, and the controller 140 is in communication connection with both the output circuit 130 and the charging port 120, and is used for achieving information acquisition and instruction interaction. In particular use, the controller 140 establishes control connections with both the charging port 120 and the output circuit 130. The controller 140 obtains the access status of two different types of charging ports 120 of the charging ports 120, and determines the charging type of the external electric vehicle accordingly.
In one case, if the controller 140 monitors that the dc charging port 120 of the charging port 120 is connected to the charging port, it is determined that the charging type of the external electric vehicle is dc charging. The controller 140 connects the dc output branch 131 of the output circuit 130 to the power supply 110 and the charging port 120, and starts the dc charging mode. In another case, if the controller 140 monitors that the ac charging port 120 of the charging port 120 is connected to the charging port, it is determined that the charging type of the external electric vehicle is ac charging. The controller 140 connects the ac output branch 132 of the output circuit 130 between the power supply 110 and the charging port 120 to start the ac charging mode.
The embodiment of the utility model provides a fill electric pile, including power supply, charging port, output circuit and controller, the output circuit who connects between power supply and charging port includes two kinds at least output branch road, and like this, the controller can be according to the type of charging of the equipment of waiting to charge that charging port inserts, selects the output branch road of matching as the charging circuit who fills electric pile in two kinds at least output branch road of output circuit. Like this, fill electric pile can be to the electric automobile of different charging methods, and the charging circuit that automatic matching corresponds charges, and the wireless electric automobile to every charging method all sets up the electric pile that fills that corresponds respectively, has greatly saved the overall arrangement cost that fills electric pile, has improved convenience and the degree of automation that electric automobile charges.
In one embodiment, as shown in fig. 2, the output circuit 130 includes a first selector 133, a second selector 134, a dc output branch 131 and an ac output branch 132; a fixed end of the first selector 133 is connected to an output end of the power supply 110, and a selection end of the first selector 133 is connected to an input end of the dc output branch 131 or an input end of the ac output branch 132;
a selection end of the second selector 134 is connected to the input end of the dc output branch 131 or the input end of the ac output branch 132, and a fixed end of the second selector 134 is connected to the charging port 120;
the controller 140 is communicatively connected to both the first selector 133 and the second selector 134, and the controller 140 is configured to connect the dc output branch 131 or the ac output branch 132 between a selection terminal of the first selector 133 and a selection terminal of the second selector 134.
In the present embodiment, the specific configuration of the output circuit 130 is further limited. Specifically, the output circuit 130 includes a first selector 133, a second selector 134, a dc output branch 131 and an ac output branch 132, where the first selector 133 and the second selector 134 are both used to assist in selecting an output branch access circuit between the dc output branch 131 and the ac output branch 132. Alternatively, the first selector 133 and/or the second selector 134 may be a single-pole double-throw switch.
As shown in fig. 2, when the dc output branch 131 and the ac output branch 132 are connected, a fixed end of the first selector 133 is connected to the output end of the power supply 110, a fixed end of the second selector 134 is connected to the charging port 120, and a selection end of the first selector 133 and a selection end of the second selector 134 are used for selecting between the provided dc output branch 131 and the provided ac output branch 132. It should be noted that the first selector 133 and the second selector 134 are required to select the same output branch at the same time, so as to ensure the complete connection of the output circuit 130.
In one case, if the controller 140 monitors that the dc charging port 120 of the charging port 120 is connected to the charging port, it is determined that the charging type of the external electric vehicle is dc charging. The controller 140 connects the dc output branch 131 in the output circuit 130 between the selection terminal of the first selector 133 and the selection terminal of the second selector 134, that is, connects the dc output branch 131 between the power supply 110 and the charging port 120, and starts the dc charging mode. In another case, if the controller 140 monitors that the ac charging port 120 of the charging port 120 is connected to the charging port, it is determined that the charging type of the external electric vehicle is ac charging. The controller 140 switches the ac output branch 132 of the output circuit 130 between the selection terminal of the first selector 133 and the selection terminal of the second selector 134, that is, switches the ac output branch 132 between the power supply 110 and the charging port 120, and starts the ac charging mode.
In the charging pile 100 provided by the present embodiment, the output circuit 130 includes the first selector 133, the second selector 134, the dc output branch 131 and the ac output branch 132, and the type of the output branch connected between the power supply 110 and the charging port 120 is selected by matching the first selector 133 and the second selector 134, so as to select the output circuit 130 matched with the charging mode of the external electric vehicle for charging.
Optionally, the dc output branch 131 may include:
the device comprises a rectifier, a metering unit and a power conversion unit; wherein the content of the first and second substances,
the input end of the rectifier is electrically connected to the selection end of the first selector 133, the output end of the rectifier is connected to both the input end of the metering unit and the input end of the power conversion unit, the output end of the power conversion unit is connected to the charging port 120, and the metering unit is connected to the controller 140.
The embodiment provides a specific connection structure of the dc output branch 131, which mainly realizes the output of dc signals through the cooperation of the rectifier, the metering unit and the power conversion unit. Specifically, the rectifier is configured to rectify the three-phase ac power provided by the power supply 110, and after filtering, form a stable dc bus voltage to the power conversion unit, the power conversion unit is connected to the charging terminal of the electric vehicle through the charging port 120 to perform power conversion, and output the voltage and current required by the battery, and the metering unit is configured to meter the dc power. Of course, the specific structure of the dc output branch 131 may have other embodiments, which are not described in detail.
Optionally, the ac output branch 132 may include:
the device comprises a rectifier, an inverter, a metering unit and a power conversion unit;
the input end of the rectifier is electrically connected to the selection end of the first selector 133, the output end of the rectifier is connected to both the input end of the metering unit and the input end of the power conversion unit, the output end of the power conversion unit is connected to the input end of the inverter, the output end of the inverter is connected to the charging port 120, and the metering unit is connected to the controller 140.
This embodiment provides a specific structure of the ac output branch 132, including: the rectifier converts the power supply 110 into an outputable dc bus voltage, and then the power conversion unit converts the power into the power required by the electric vehicle, and the inverter performs dc-ac conversion to output a signal that can be directly received by the ac charging interface of the electric vehicle. It should be noted that the rectifier is used for converting the ac power with lower voltage output by the ac step-down circuit into a unidirectional pulsating dc power, that is, a rectification process of the ac power, and the rectifier is mainly composed of rectifier diodes. The rectified voltage is not an ac voltage, but a mixed voltage containing a dc voltage and an ac voltage, and is called a unidirectional pulsating dc voltage. The inverter converts low voltage into high voltage, converts direct current into alternating current, and converts the direct current power output by the intermediate direct current circuit into alternating current power with adjustable frequency and voltage. The inverter consists of an inverter bridge, a control unit and a filter circuit. Of course, the specific structure of the ac output branch 132 may have other embodiments, which are not described in detail.
In another embodiment, as shown in fig. 3, the output circuit 130 may include:
a dc output branch 131, an inverting branch 135135, a third selector 136136 and a fourth selector 137137, wherein an input terminal of the dc output branch 131 is connected to an output terminal of the charging power supply, an output terminal of the dc output branch 131 is connected to a fixed terminal of the third selector 136, and a fixed terminal of the fourth selector 137 is connected to the charging port 120;
the controller 140 is configured to control the output terminal of the dc output branch 131 to be connected to the charging port 120 via the third selector 136 and the fourth selector 137 if the charging type of the device to be charged is the dc output circuit 130;
if the charging type of the device to be charged is the ac output branch 132, the output port of the dc output branch 131 is controlled to be connected to the input end of the inverting branch 135 via the third selector 136, and the output end of the inverting branch 135 is controlled to be connected to the charging port 120 via the fourth selector 137.
The charging pile 100 according to this embodiment realizes connection of different types of output circuits 130 through cooperation among the dc output branch 131, the inverter branch 135, the third selector 136, and the fourth selector 137. If the external electric vehicle is in a dc charging mode, the dc output branch 131 is directly connected between the power supply 110 and the charging port 120. If the external electric vehicle is in an ac charging mode, the inverting branch 135 is connected in series to the dc output branch 131 through the third selector 136 and the fourth selector 137, so as to form the ac output branch 132. Therefore, more circuit settings can be saved, and the overall circuit structure layout can be simplified. Optionally, the third selector 136 and/or the fourth selector 137 are single-pole double-throw switches, which are sensitive to control and have low cost.
In other embodiments, the charging pile 100 further comprises an equalizing circuit, which is connected in series between the output end of the output branch and the charging port 120;
a temperature sensor is disposed at the charging port 120, and both the on-off control end of the equalizing circuit and the temperature sensor are connected to the controller 140.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (5)

1. A charging pile, comprising:
a power supply;
a charging port;
the output circuit at least comprises a direct current output branch and an alternating current output branch;
the controller is in communication connection with the charging port and the output circuit, and is used for selecting an output branch matched with the charging type to be accessed between the power supply and the charging port according to the charging type of the equipment to be charged accessed by the charging port; the output circuit comprises a first selector, a second selector, a direct current output branch and an alternating current output branch; wherein the content of the first and second substances,
the fixed end of the first selector is connected with the output end of the power supply, and the selection end of the first selector is connected with the input end of the direct current output branch or the input end of the alternating current output branch;
a fixed end of the second selector is connected with an input end of the direct current output branch or an input end of the alternating current output branch, and a selection end of the second selector is connected with the charging port;
the controller is in communication connection with the first selector and the second selector, and is used for connecting the direct current output branch or the alternating current output branch between the selection end of the first selector and the selection end of the second selector; the direct current output branch comprises:
the device comprises a rectifier, a metering unit and a power conversion unit; wherein the content of the first and second substances,
the input end of the rectifier is electrically connected with the selection end of the first selector, the output end of the rectifier is connected with the input end of the metering unit and the input end of the power conversion unit, the output end of the power conversion unit is connected with the charging port, and the metering unit is connected with the controller; the alternating current output branch comprises:
the device comprises a rectifier, an inverter, a metering unit and a power conversion unit;
the input end of the rectifier is electrically connected with the selection end of the first selector, the output end of the rectifier is connected with the input end of the metering unit and the input end of the power conversion unit, the output end of the power conversion unit is connected with the input end of the inverter, the output end of the inverter is connected with the charging port, and the metering unit is connected with the controller.
2. The charging pole according to claim 1, wherein the first selector and/or the second selector is a single pole double throw switch.
3. The charging pole according to claim 1, wherein the output circuit comprises:
the charging system comprises a direct current output branch circuit, an inversion branch circuit, a third selector and a fourth selector, wherein the input end of the direct current output branch circuit is connected with the output end of the power supply, the output end of the direct current output branch circuit is connected with the fixed end of the third selector, and the fixed end of the fourth selector is connected with the charging port;
the controller is used for controlling the output end of the direct current output branch circuit to be connected to the charging port through a third selector and a fourth selector if the charging type of the equipment to be charged is a direct current output circuit;
and if the charging type of the equipment to be charged is an alternating current output branch, controlling an output port of the direct current output branch to be connected with an input end of the inversion branch through the third selector, and controlling an output end of the inversion branch to be connected with the charging port through the fourth selector.
4. The charging pile according to any one of claims 1 to 3, wherein the power supply is an alternating current power supply.
5. The charging pole according to claim 3, wherein the third selector and/or the fourth selector is a single pole double throw switch.
CN201921040445.7U 2019-07-04 2019-07-04 Charging pile Expired - Fee Related CN211493698U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921040445.7U CN211493698U (en) 2019-07-04 2019-07-04 Charging pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921040445.7U CN211493698U (en) 2019-07-04 2019-07-04 Charging pile

Publications (1)

Publication Number Publication Date
CN211493698U true CN211493698U (en) 2020-09-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110203097A (en) * 2019-07-04 2019-09-06 广东海洋大学 A kind of charging pile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110203097A (en) * 2019-07-04 2019-09-06 广东海洋大学 A kind of charging pile
CN110203097B (en) * 2019-07-04 2024-02-09 广东海洋大学 Charging pile

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