CN214314672U - One advances six formula switch modules and charging system - Google Patents
One advances six formula switch modules and charging system Download PDFInfo
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- CN214314672U CN214314672U CN202120497173.4U CN202120497173U CN214314672U CN 214314672 U CN214314672 U CN 214314672U CN 202120497173 U CN202120497173 U CN 202120497173U CN 214314672 U CN214314672 U CN 214314672U
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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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Abstract
The utility model belongs to the technical field of new forms of energy electric automobile, concretely relates to one advances six formula switch modules and charging system. The six-inlet type switch module comprises a switch module shell, wherein a direct current input positive end and a direct current input negative end are arranged on the switch module shell; the switch module shell comprises six groups of switch units, each group of switch units comprises a direct current output positive end, a direct current output negative end and two high-voltage direct current contactors, the direct current input positive end is connected with the direct current output positive end through one high-voltage direct current contactor, and the direct current input negative end is connected with the direct current output negative end through the other high-voltage direct current contactor; the direct current output positive ends and the direct current output negative ends of the six groups of switch units are respectively used for connecting six charging terminals; a switch module controller is also arranged in the switch module shell. The utility model discloses fill six charging terminal of electric pile to one, through switch module's dynamic allotment, can realize the effective distribution of power, very high electric pile availability factor that fills.
Description
Technical Field
The utility model belongs to the technical field of new forms of energy electric automobile, concretely relates to switch module and charging system.
Background
With the development and popularization of domestic new energy electric vehicles, the development of direct current charging piles is promoted, and the traditional 'one car one pile' mode cannot meet the development requirements of electric vehicles. The one-pile vehicle model has the following inherent disadvantages:
firstly, the single-pile charging power is solidified, and the requirement of rapid charging of various vehicles cannot be met; the battery capacity of a new energy passenger vehicle in the market is usually 50-60kwh, the battery capacity of a new energy bus is usually about 300kwh, and when the single-pile charging power is rated as 60kw, the new energy passenger vehicle cannot be used for rapidly charging the bus;
secondly, the single pile mode is high in manufacturing cost, each charging pile is an individual body which operates independently, the utilization rate of internal core parts is low, and the field installation and debugging time is long;
thirdly, the single pile has large volume, large occupied area and low land utilization rate.
In order to solve the pain point of above direct current charging pile development, generally promote in the present trade: a frame of a charging system of the flexible matrix type charging network adopts a general-split structure, namely a core charging pile and a plurality of charging terminals. The charging system comprises a core charging pile, a power distribution switch module (PDU), a power control module, a charging cut-off unit (CDU) and the like, wherein the core charging pile is internally integrated with the power module (AC/DC), the power distribution switch module (PDU), the power control module, the charging cut-off unit (CDU) and the like, and a charging terminal is only a charging gun head connected with a vehicle connection and modules for related charging, networking, communication and the like.
However, in the power distribution technology applied in the industry at present, a switch circuit built by a high-voltage direct-current contactor is generally adopted, different power modules are connected to corresponding charging terminals, and the on-off control of the high-voltage direct-current contactor and the state feedback of the contactor are connected to a charging pile main controller through a low-voltage wire harness; the structural arrangement of such design is in disorder, and low pressure pencil is criss-cross, the automation of the convenient to assemble and the operation, the maintenance work in later stage.
SUMMERY OF THE UTILITY MODEL
The utility model discloses complicated, the wiring is loaded down with trivial details to current power distribution technology structure, assembles and maintains difficult technical problem, aim at provides an advance six formula switch module and charging system.
The six-inlet type switch module comprises a switch module shell, wherein a direct current input positive end, a direct current input negative end, a direct current output positive end and a direct current output negative end are arranged on the switch module shell, a high-voltage direct current contactor is arranged in the switch module shell, and the direct current input positive end and the direct current input negative end are used for being connected with a power module;
the switch module shell comprises six groups of switch units, each group of switch units comprises one direct current output positive end, one direct current output negative end and two high-voltage direct current contactors, the direct current input positive end is connected with the direct current output positive end through one high-voltage direct current contactor, and the direct current input negative end is connected with the direct current output negative end through the other high-voltage direct current contactor;
the direct current output positive terminals and the direct current output negative terminals of the six groups of switch units are respectively used for connecting six charging terminals;
and a switch module controller for controlling the high-voltage direct-current contactor to be switched off is further arranged in the switch module shell and is used for being connected with the charging pile controller.
The direct current input positive end and the direct current input negative end are arranged on one side of the switch module shell through copper bars, and positive and negative pole marks are marked on the surface of the switch module shell.
The direct current output positive terminals and the direct current output negative terminals in the six groups of switch units are arranged on the opposite side of the switch module shell in a row by adopting copper bars, and positive and negative pole marks are marked on the surface of the switch module shell.
The charging system adopting the one-in six-out type switch module comprises a charging pile controller, six power modules, six charging terminals and the six one-in six-out type switch modules, wherein one-in six-out type switch module is connected with one corresponding power module, the six switch module controllers of the one-in six-out type switch module are all connected with the charging pile controller, and the positive direct current output terminals and the negative direct current output terminals of the six one-in six-out type switch modules are respectively connected with the six charging terminals.
Through above-mentioned design back, the accessible fills electric pile controller and with vehicle BMS charging request communication, utilizes switch module controller to control each independent high voltage direct current contactor in the corresponding return circuit respectively and switches on or turn-off to with the power module switch-on charge or break off and stop charging.
The rated power of the power module is 30KW, six groups of the one-inlet six-outlet type switch modules are in normally closed conduction with the high-voltage direct-current contactor in the corresponding loop corresponding to one of the charging terminals, the six power modules are connected in parallel and output to the charging terminal, the maximum power of the charging terminal is 180KW, and rapid charging of a bus is met.
The utility model discloses an actively advance the effect and lie in: the utility model discloses an one advances six formula switch modules, fills six charge terminal of electric pile to one, through switch module's dynamic allotment, can realize the effective distribution of power, and electric pile availability factor is filled in very high.
Drawings
Fig. 1 is a front view of an inlet-outlet six-outlet switch module according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a one-in six-out type switch module according to the present invention;
fig. 3 is a connection diagram of an internal circuit of a one-in six-out switch module according to the present invention;
fig. 4 is a connection diagram of an external circuit of a one-in six-out type switch module according to the present invention;
fig. 5 is a circuit diagram of the charging system of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings.
Referring to fig. 1 to 4, the one-input six-output switch module includes a switch module case 1, the switch module case 1 is provided with an input end and an output end, the input end includes a dc input positive end and a dc input negative end, and the dc input positive end and the dc input negative end are used for being connected with a power module 2. The direct current input positive end and the direct current input negative end are both arranged on one side of the switch module shell 1 through copper bars, and positive and negative pole marks are marked on the surface of the switch module shell 1. As shown in fig. 1 and 2, two input copper bars 11 are arranged at the front side of the switch module housing 1 and protrude from the switch module housing 1.
The output end comprises a direct current output positive end and a direct current output negative end, and a high-voltage direct current contactor KM is arranged in the switch module shell 1. The switch module shell 1 comprises six groups of switch units, each group of switch units comprises a direct current output positive end, a direct current output negative end and two high-voltage direct current contactors KM, the direct current input positive end is connected with the direct current output positive end through one high-voltage direct current contactor KM, and the direct current input negative end is connected with the direct current output negative end through the other high-voltage direct current contactor KM. As shown in fig. 3, a total of twelve high voltage direct current contactors KM, high voltage direct current contactor KM11, high voltage direct current contactor KM12, high voltage direct current contactor KM21 … … to high voltage direct current contactor KM62, are provided for the six groups of switching units. The high-voltage direct-current contactor KM11 is correspondingly connected with a direct-current output positive end L1+, the high-voltage direct-current contactor KM12 is correspondingly connected with a direct-current output negative end L1-, and so on, six groups of twelve output ends are arranged. All the direct current output positive terminals and the direct current output negative terminals are arranged on the opposite side of the switch module shell 1 in a row by adopting copper bars, and positive and negative pole marks are marked on the surface of the switch module shell 1. As shown in fig. 2, twelve output copper bars 12 are arranged at the rear side of the switch module housing 1 and project out of the switch module housing 1.
Referring to fig. 4, the positive dc output terminals and the negative dc output terminals of the six groups of switch units are respectively used for connecting six charging terminals 3.
Referring to fig. 1, a switch module controller 13 for controlling the high-voltage direct-current contactor to be turned off is further arranged in the switch module housing 1, and the switch module controller 13 is used for being connected with the charging pile controller 4.
Referring to fig. 5, the charging system using the one-in six-out type switch module includes six power modules 2, six charging terminals 3, a charging pile controller 4, and the six one-in six-out type switch modules 5, one-in six-out type switch module 5 is connected to a corresponding one of the power modules 2, the switch module controllers 13 of the six one-in six-out type switch modules 5 are all connected to the charging pile controller 4, and the positive dc output terminals and the negative dc output terminals of the six one-in six-out type switch modules 5 are respectively connected to the six charging terminals 3. Through above-mentioned design back, the accessible fills electric pile controller 4 and with vehicle BMS charging request communication, utilizes switch module controller 13 to control each independent high-voltage direct current contactor in the corresponding return circuit respectively and switches on or turn-off to connect the power module 2 and charge or break off and stop charging.
The rated power of the power module 2 is 30KW, and the six groups of the one-inlet six-outlet switch modules 5 are normally closed and conducted to the high-voltage direct-current contactor in the corresponding loop corresponding to one of the charging terminals 3. For example, as shown in fig. 5, the six groups of one-inlet six-outlet switch modules 5 close the loop corresponding to the # 1 gun, and the six power modules 2 are connected in parallel and output to the # 1 gun, so that the maximum power of the # 1 gun is 180KW (30KW × 6) for charging, and the requirement of fast charging the bus is met. Through the dynamic allocation of the switch module, the output power of a single charging gun can be selectively output in 30KW, 60KW, 90KW, 120KW, 150KW and 180KW, so that the effective distribution of the power is realized, and the use efficiency of the charging pile is improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A one-inlet six-outlet type switch module comprises a switch module shell, and is characterized in that a direct current input positive end, a direct current input negative end, a direct current output positive end and a direct current output negative end are arranged on the switch module shell, a high-voltage direct current contactor is arranged in the switch module shell, and the direct current input positive end and the direct current input negative end are used for being connected with a power module;
the switch module shell comprises six groups of switch units, each group of switch units comprises one direct current output positive end, one direct current output negative end and two high-voltage direct current contactors, the direct current input positive end is connected with the direct current output positive end through one high-voltage direct current contactor, and the direct current input negative end is connected with the direct current output negative end through the other high-voltage direct current contactor;
the direct current output positive terminals and the direct current output negative terminals of the six groups of switch units are respectively used for connecting six charging terminals;
and a switch module controller for controlling the high-voltage direct-current contactor to be switched off is further arranged in the switch module shell and is used for being connected with the charging pile controller.
2. The switch module of claim 1, wherein the positive dc input terminal and the negative dc input terminal are disposed on one side of the switch module housing by copper bars, and positive and negative signs are marked on the surface of the switch module housing.
3. The switch module as claimed in claim 2, wherein the positive dc output terminals and the negative dc output terminals of the six groups of switch units are arranged in a row on opposite sides of the switch module housing, and positive and negative signs are marked on the surface of the switch module housing.
4. A charging system using the one-in-six-out type switch module according to any one of claims 1 to 3, wherein the charging system comprises a charging pile controller, six power modules, six charging terminals, and six one-in-six-out type switch modules, one-in-six-out type switch module is connected to a corresponding one of the power modules, the switch module controllers of the six one-in-six-out type switch modules are all connected to the charging pile controller, and the positive direct current output terminals and the negative direct current output terminals of the six one-in-six-out type switch modules are respectively connected to the six charging terminals.
5. The charging system according to claim 4, wherein the rated power of the power module is 30KW, six groups of the one-in six-out switch modules are normally closed and conducted to the high-voltage direct-current contactor in the corresponding loop corresponding to one of the charging terminals, six power modules are connected in parallel to output to the charging terminal, and the maximum power of the charging terminal is 180 KW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120497173.4U CN214314672U (en) | 2021-03-09 | 2021-03-09 | One advances six formula switch modules and charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120497173.4U CN214314672U (en) | 2021-03-09 | 2021-03-09 | One advances six formula switch modules and charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214314672U true CN214314672U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120497173.4U Active CN214314672U (en) | 2021-03-09 | 2021-03-09 | One advances six formula switch modules and charging system |
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| Country | Link |
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| CN (1) | CN214314672U (en) |
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2021
- 2021-03-09 CN CN202120497173.4U patent/CN214314672U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20240220 Address after: 1058 Xiaoyun Road, Baoshan District, Shanghai, 201900 Patentee after: SHANGHAI CII ELECTRONICS CO.,LTD. Country or region after: China Address before: 200443 room 620, No. 7, Lane 878, No. 128 Memorial Road, Baoshan District, Shanghai Patentee before: Shanghai Jianyu Automotive Electronics Co.,Ltd. Country or region before: China |