CN211417017U - Charging system of direct current charging pile - Google Patents

Charging system of direct current charging pile Download PDF

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Publication number
CN211417017U
CN211417017U CN201921947963.7U CN201921947963U CN211417017U CN 211417017 U CN211417017 U CN 211417017U CN 201921947963 U CN201921947963 U CN 201921947963U CN 211417017 U CN211417017 U CN 211417017U
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China
Prior art keywords
charging
direct current
module
battery
battery pack
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Active
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CN201921947963.7U
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Chinese (zh)
Inventor
李季
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Zhuhai Wharton Electric Co ltd
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Zhuhai Wharton Electric Co ltd
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Priority to CN201921947963.7U priority Critical patent/CN211417017U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/12Electric charging stations

Abstract

The utility model discloses a charging system of direct current charging stake, including the module of charging, the input and the inlet wire switch of the module of charging are connected, the inlet wire switch is connected with gets electric mutual-inductor and lightning protection device, it is connected with the alternating current electric energy meter to get the electric mutual-inductor, it is connected with the alternating current input inlet wire end to get the electric mutual-inductor, the output of the module of charging is connected with protection module, protection module is connected with rifle A and the rifle B that charges of charging, the module of charging includes first group battery and second group battery, and every group battery includes two batteries at least, and the power of every battery is no longer than 20 KV. Through the input of the charging module sets up the inlet wire switch, and the inlet wire switch disconnection when not charging for the charging module, the disconnection and the input part return circuit of the module that charges avoid the unnecessary electric quantity loss, save the power.

Description

Charging system of direct current charging pile
Technical Field
The utility model relates to a direct current fills the electric pile field, in particular to direct current fills electric pile's charging system.
Background
The direct current fills electric pile its function and is similar to the tanker aircraft inside the filling station, can fix on ground or wall, installs in public building and residential area parking area or charging station, can charge for the electric automobile of various models. The existing direct current charging pile charges an internal battery through 380V alternating current, the battery is directly connected with an alternating current input inlet wire end, the electric energy of the battery can be wasted on an input loop when the battery is charged without the alternating current, if the electric energy is lost on electronic components such as an alternating current electric energy meter and a relay, unnecessary electric quantity loss of the battery is generated, on the other hand, the sudden starting of a power supply can generate large surge current, the components are damaged, and the existing product has no good solution.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a charging system of electric pile is filled to direct current can reduce the battery power loss.
The utility model discloses charging system of direct current charging pile, including the module of charging, the input and the inlet wire switch of the module of charging are connected, the inlet wire switch is connected with gets electric mutual-inductor and lightning protection device, it is connected with the alternating current electric energy meter to get the electric mutual-inductor, it is connected with the alternating current input inlet wire end to get the electric mutual-inductor, the output of the module of charging is connected with protection module, protection module is connected with rifle A and the rifle B that charges of charging, the module of charging includes first group battery and second group battery, and every group battery includes two batteries at least, and the power of every battery is no longer than 20 KV.
According to the utility model discloses one of, following beneficial effect has at least: through the input of the charging module sets up the inlet wire switch, and the inlet wire switch disconnection when not charging for the charging module, the disconnection and the input part return circuit of the module that charges avoid the unnecessary electric quantity loss, save the power.
The utility model discloses a charging system of direct current charging pile of some embodiments, the protection module includes fast fuse FU1, fast fuse FU2, fast fuse FU3, fast fuse FU1, direct current contactor K1, direct current contactor K2, direct current contactor K3 and direct current contactor K4, the positive pole of first group battery through fast fuse FU1 and direct current contactor K1 that concatenate in proper order with charge rifle A's DC + end and be connected, the negative pole of first group battery through fast fuse FU2 and direct current contactor K2 that concatenate in proper order with charge rifle A's DC-end is connected; the positive pole of the second battery pack is connected with the DC + end of the charging gun B through a fast fuse FU3 and a direct current contactor K3 which are sequentially connected in series, and the negative pole of the second battery pack is connected with the DC-end of the charging gun B through a fast fuse FU4 and a direct current contactor K4 which are sequentially connected in series.
The charging system of the dc charging pile according to some embodiments of the present invention further includes a first insulation detection module and a second insulation detection module, wherein the positive electrode of the first insulation detection module is connected to the positive electrode of the first battery pack, and the negative electrode of the first insulation detection module is connected to the negative electrode of the first battery pack; the positive pole of the second insulation detection module is connected with the positive pole of the second battery pack, and the negative pole of the second insulation detection module is connected with the negative pole of the second battery pack.
The utility model discloses a charging system of electric pile is filled to direct current of some embodiments still includes first direct current electric energy meter and second direct current electric energy meter, first direct current electric energy meter is installed on the output circuit of first group battery, second direct current electric energy meter is installed on the output circuit of second group battery.
The utility model discloses a charging system of electric pile is filled to direct current of some embodiments still includes first direct current transducer and second direct current changer, first direct current transducer is installed on the output return circuit of first group battery, second direct current changer is installed on the output return circuit of second group battery.
The utility model discloses a charging system of electric pile is filled to direct current of some embodiments, service entrance switch is leakage breaker.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a block diagram of a charging system according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a charging system according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 and 2, a charging system of a DC charging pile includes a charging module 1, an input end of the charging module 1 is connected to a line incoming switch 2, the line incoming switch 2 is connected to a power-taking mutual inductor 3 and a lightning arrester 5, the power-taking mutual inductor 3 is connected to an ac electric energy meter 4, the power-taking mutual inductor 3 is connected to an ac input line incoming end, an output end of the charging module 1 is connected to a protection module 6, the protection module 6 is connected to a charging gun a7 and a charging gun B8, the protection module 6 includes a fast fuse FU1, a fast fuse FU2, a fast fuse FU 387 3, a fast fuse FU 5, a DC contactor K1, a DC contactor K2, a DC contactor K3 and a DC contactor K4, an anode of a first battery pack is connected to a DC + end of the charging gun a7 through the fast fuse FU1 and the DC contactor K1 which are connected in series in sequence, the negative electrode of the first battery pack is connected with the DC-end of the charging gun A7 through a fast fuse FU2 and a direct current contactor K2 which are sequentially connected in series; the positive pole of second group battery through the fast fuse FU3 and the direct current contactor K3 that concatenate in proper order with the DC + end of rifle B8 is connected, the negative pole of second group battery through fast fuse FU4 and direct current contactor K4 that concatenate in proper order with the DC-end of rifle B8 is connected, can break off protective apparatus safety when the short circuit through setting up fast fuse and direct current contactor K4. The charging module 1 comprises a first battery pack and a second battery pack, each battery pack at least comprises two batteries, and the power of each battery does not exceed 20 KV. In some embodiments, the battery pack is provided with two batteries, each battery has a power of 15KV, the charging efficiency can be improved by arranging a plurality of batteries, and high power output can be satisfied. Through the input of the charging module 1 sets up the incoming line switch 2, and the incoming line switch 2 is disconnected when not charging for the charging module 1, and the disconnection and the input part return circuit of the charging module 1 are connected, avoid unnecessary electric quantity loss, save the power. Specifically, the incoming line switch 2 is a leakage circuit breaker with the model of NDM 3L-125/4300125A, and is good in insulation performance and strong in reliability. The lightning protection device 5 can prevent the equipment from being damaged by surge current at the moment of power-on.
Further, the charging system for the dc charging pile of the present embodiment further includes a first insulation detection module 13 and a second insulation detection module 14, wherein a positive electrode of the first insulation detection module 13 is connected to a positive electrode of the first battery pack, and a negative electrode of the first insulation detection module 13 is connected to a negative electrode of the first battery pack; the positive electrode of the second insulation detection module 14 is connected with the positive electrode of the second battery pack, and the negative electrode of the second insulation detection module 14 is connected with the negative electrode of the second battery pack. The insulation detection module sends a grounding alarm signal when the positive and negative pole grounding insulation resistance of the direct current system reaches an alarm setting value, performs grounding branch detection, and positions a grounding fault in a few power supply loops, so that the grounding fault processing speed is increased, the labor is reduced, the grounding period is shortened, and the operation of the power system is safer.
According to the charging system of electric pile is filled to direct current of this embodiment, still include first direct current electric energy meter 10, second direct current electric energy meter 9, first direct current transmitter 11 and second direct current transmitter 12, first direct current electric energy meter 10 is installed on the output circuit of first battery pack, second direct current electric energy meter 9 is installed on the output circuit of second battery pack, first direct current electric energy meter 10, second direct current electric energy meter 9 are used for measuring the electric energy of rifle A7 and rifle B8 that charges respectively and show. The first dc transmitter 11 is installed on the output loop of the first battery pack, and the second dc transmitter 12 is installed on the output loop of the second battery pack. The first direct current transmitter 11 and the second direct current transmitter 12 can transmit and transmit the direct current signals in an isolated mode, and the requirement of a user for locally monitoring and remotely acquiring data is met.

Claims (6)

1. The utility model provides a direct current fills electric pile's charging system which characterized in that: including charging module (1), the input and the inlet wire switch (2) of charging module (1) are connected, inlet wire switch (2) are connected with gets electric transformer (3) and lightning protection device (5), it is connected with alternating current electric energy meter (4) to get electric transformer (3), it is connected with the AC input inlet wire end to get electric transformer (3), the output of charging module (1) is connected with protection module (6), protection module (6) are connected with rifle A (7) and the rifle B (8) that charges, charging module (1) includes first group battery and second group battery, and every group battery includes two batteries at least, and the power of every battery is no longer than 20 KV.
2. The charging system of a dc charging post according to claim 1, wherein: the protection module (6) comprises a fast fuse FU1, a fast fuse FU2, a fast fuse FU3, a fast fuse FU1, a direct-current contactor K1, a direct-current contactor K2, a direct-current contactor K3 and a direct-current contactor K4, the anode of the first battery pack is connected with the DC + end of the charging gun A (7) through the fast fuse FU1 and the direct-current contactor K1 which are sequentially connected in series, and the cathode of the first battery pack is connected with the DC-end of the charging gun A (7) through the fast fuse FU2 and the direct-current contactor K2 which are sequentially connected in series; the positive pole of the second battery pack is connected with the DC + end of the charging gun B (8) through a fast fuse FU3 and a direct current contactor K3 which are sequentially connected in series, and the negative pole of the second battery pack is connected with the DC-end of the charging gun B (8) through a fast fuse FU4 and a direct current contactor K4 which are sequentially connected in series.
3. The charging system of a dc charging post according to claim 1, wherein: the battery pack further comprises a first insulation detection module (13) and a second insulation detection module (14), wherein the positive electrode of the first insulation detection module (13) is connected with the positive electrode of the first battery pack, and the negative electrode of the first insulation detection module (13) is connected with the negative electrode of the first battery pack; the positive pole of the second insulation detection module (14) is connected with the positive pole of the second battery pack, and the negative pole of the second insulation detection module (14) is connected with the negative pole of the second battery pack.
4. The charging system of a dc charging post according to claim 1, wherein: still include first direct current electric energy meter (10) and second direct current electric energy meter (9), first direct current electric energy meter (10) are installed on the output circuit of first group battery, second direct current electric energy meter (9) are installed on the output circuit of second group battery.
5. The charging system of a dc charging post according to claim 1, wherein: the battery pack further comprises a first direct current transmitter (11) and a second direct current transmitter (12), wherein the first direct current transmitter (11) is installed on an output loop of the first battery pack, and the second direct current transmitter (12) is installed on an output loop of the second battery pack.
6. The charging system of a dc charging post according to claim 1, wherein: the incoming line switch (2) is a leakage circuit breaker.
CN201921947963.7U 2019-11-12 2019-11-12 Charging system of direct current charging pile Active CN211417017U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921947963.7U CN211417017U (en) 2019-11-12 2019-11-12 Charging system of direct current charging pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921947963.7U CN211417017U (en) 2019-11-12 2019-11-12 Charging system of direct current charging pile

Publications (1)

Publication Number Publication Date
CN211417017U true CN211417017U (en) 2020-09-04

Family

ID=72273681

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921947963.7U Active CN211417017U (en) 2019-11-12 2019-11-12 Charging system of direct current charging pile

Country Status (1)

Country Link
CN (1) CN211417017U (en)

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