CN112874363A - Direct current fills electric pile and charging station - Google Patents

Direct current fills electric pile and charging station Download PDF

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Publication number
CN112874363A
CN112874363A CN202110366042.7A CN202110366042A CN112874363A CN 112874363 A CN112874363 A CN 112874363A CN 202110366042 A CN202110366042 A CN 202110366042A CN 112874363 A CN112874363 A CN 112874363A
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CN
China
Prior art keywords
conversion module
charging
module
main box
direct current
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Pending
Application number
CN202110366042.7A
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Chinese (zh)
Inventor
张青锋
许林冲
艾朋利
王峰
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Sungrow Power Supply Co Ltd
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Sungrow Power Supply Co Ltd
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Priority to CN202110366042.7A priority Critical patent/CN112874363A/en
Publication of CN112874363A publication Critical patent/CN112874363A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/302—Cooling of charging equipment
    • 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

Abstract

The invention provides a direct-current charging pile and a charging station, which are applied to the technical field of direct-current charging. According to the direct-current charging pile, a charging module in the prior art is not used as an independent device, the power conversion module is directly arranged inside the main box body, the arrangement of the module box body is eliminated, meanwhile, a module radiator which is independently arranged for the power conversion module in the prior art is eliminated, the power conversion module radiates heat through the main box radiator, the arrangement number of the radiators in the direct-current charging pile is reduced, the integration level of the direct-current charging pile is further improved, and the design cost of the direct-current charging pile is favorably reduced.

Description

Direct current fills electric pile and charging station
Technical Field
The invention relates to the technical field of direct current charging, in particular to a direct current charging pile and a charging station.
Background
The direct-current charging pile is direct-current charging equipment widely used by new energy automobiles at present, and mainly comprises a charging pile body and a charging module, wherein an alternating-current power distribution module, a control module, a direct-current power distribution module and other modules are integrated in a whole pile box of the charging pile body; the charging module is inserted in the charging state and used for realizing alternating current-direct current conversion, and is a core component of the direct current charging pile.
In the prior art, the charging module is used as an independent part and mainly comprises a module box body, a power conversion module and a module radiator, wherein the power conversion module and the module radiator are arranged inside the module box body, and when the direct-current charging pile is assembled, the charging module is directly connected with each module in the charging pile body in an inserting mode.
Based on above-mentioned present direct current fill electric pile's basic constitution can see out, direct current fills electric pile and has the duplicate set of part device, for example the module box of radiator and the module of charging, leads to direct current to fill electric pile integrated level lower, and the cost is higher.
Disclosure of Invention
The invention provides a direct current charging pile and a charging station, wherein a power conversion module is directly arranged in a box body of a charging main box, heat is dissipated through a main box radiator, the power conversion module is not used as an independent part independently, and a module radiator arranged for the power conversion module is cancelled, so that the repeated arrangement of the box body and the radiator is avoided, the integration level of the direct current charging pile is improved, and the cost of the direct current charging pile is reduced.
In order to achieve the purpose, the technical scheme provided by the application is as follows:
in a first aspect, the present invention provides a dc charging pile, including: a charging main tank and a main tank radiator, wherein,
the charging main box is connected with the main box radiator;
the charging main box comprises a main box body and a power conversion module, wherein,
the power conversion module is arranged inside the main box body;
the main box body is provided with a communication window, and the power conversion module exchanges heat with the main box radiator through the communication window.
Optionally, the power conversion module includes an AC/DC conversion module and a DC/DC conversion module;
the alternating current distribution module and the direct current power distribution module of the charging main box are arranged in the main box body;
the alternating current distribution module, the AC/DC conversion module, the DC/DC conversion module and the direct current power distribution module are arranged in the main box body according to the flowing direction of charging power.
Optionally, under the condition that the charging main box adopts a lower incoming line, the alternating current distribution module, the AC/DC conversion module and the DC/DC conversion module are sequentially arranged in the main box body from bottom to top.
Optionally, under the condition that the charging main box adopts an upper incoming line, the alternating current distribution module, the AC/DC conversion module and the DC/DC conversion module are sequentially arranged in the main box body from top to bottom.
Optionally, the charging main box further comprises an integrated charging stock;
the integrated charging stock is arranged close to the direct current power distribution module.
Optionally, the DC power distribution module and the DC/DC conversion module are located in the same horizontal plane, and the DC power distribution module is far away from the main tank heat sink.
Optionally, the charging main box further comprises a waterproof wiring terminal;
and the alternating current distribution module is connected with an alternating current power grid through the waterproof wiring terminal.
Optionally, the power conversion module is in contact with the main tank radiator through the communication window.
Optionally, the main tank radiator includes: a radiator box body, a radiator main body and a radiating fan, wherein,
the radiator main body and the radiating fan are arranged in the radiator box body;
the radiator box body is provided with a radiating air duct;
the heat sink body is in contact with the power conversion module.
Optionally, a surface of the heat sink main body contacting the power conversion module includes a planar structure or a groove structure adapted to the power conversion module;
and a heat conduction material is arranged between the heat radiator main body and the power conversion module.
Optionally, the heat sink body includes an AC/DC heat dissipating body and a DC/DC heat dissipating body, wherein,
the AC/DC heat dissipation body is used for dissipating heat for an AC/DC conversion module in the power conversion module;
the DC/DC heat dissipation main body is used for dissipating heat of a DC/DC conversion module in the power conversion module.
Optionally, the heat dissipation fan is disposed between the AC/DC heat dissipation body and the DC/DC heat dissipation body, or disposed around the heat sink body.
Optionally, the dc charging pile provided in the first aspect of the present invention further includes: a control module that, wherein,
the control module is arranged in the main box body and connected with the power conversion module.
Optionally, the dc charging pile provided by the first aspect of the present invention further includes a display module, wherein,
the display module is arranged on a box door of the main box body;
the display module is connected with the control module.
Optionally, the display module includes a display lamp panel assembly.
Optionally, the direct current charging pile provided by the first aspect of the invention further comprises a fixing device connected with the main box body;
the fixing device comprises a floor type base or a wall-mounted bracket.
In a second aspect, the present invention provides a charging station comprising: a transformer and at least one dc charging post according to any one of the first aspect of the present invention,
the primary side of the transformer is connected with a public power grid;
and the secondary side of the transformer is respectively connected with each direct current charging pile.
The invention provides a direct current charging pile which comprises a charging main box and a main box radiator, wherein the charging main box is connected with the main box radiator, a power conversion module of the charging main box is arranged in a main box body, the main box body is provided with a communication window, and the power conversion module exchanges heat with the main box radiator through the communication window. According to the direct-current charging pile, a charging module in the prior art is not used as an independent device, the power conversion module is directly arranged inside the main box body, the arrangement of the module box body is eliminated, meanwhile, a module radiator which is independently arranged for the power conversion module in the prior art is eliminated, the power conversion module radiates heat through the main box radiator, the arrangement number of the radiators in the direct-current charging pile is reduced, the integration level of the direct-current charging pile is further improved, and the design cost of the direct-current charging pile is favorably reduced.
Furthermore, the power conversion module is arranged inside the charging main box, so that the power conversion module can be directly connected with other parts in the charging main box, thereby saving a plug terminal used in the prior art and further reducing the cost of the direct-current charging pile.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without creative efforts.
Fig. 1 is a block diagram of a dc charging pile according to an embodiment of the present invention;
fig. 2 is a block diagram of another dc charging pile according to an embodiment of the present invention;
fig. 3 is a block diagram of a structure of another dc charging pile according to an embodiment of the present invention;
fig. 4 is a block diagram of a structure of another dc charging pile according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a dc charging pile according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another dc charging pile according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a block diagram of a dc charging pile according to an embodiment of the present invention, where the dc charging pile includes: a charging main tank 10 and a main tank radiator 20, wherein,
the main charging box 10 is connected to the main charging box heat sink 20, in practical applications, the volume of the main charging box 10 is often larger than the volume of the main charging box heat sink 20, and the main fixing device of the dc charging pile is disposed on the main charging box 10, so that the connection between the main charging box heat sink 20 and the main charging box 10 can be regarded as the main charging box heat sink 20 is fixed on the main charging box 10. In this and subsequent embodiments, the main tank heat sink 20 will operate as the primary heat sink in the dc charging post.
Further, the charging main box 10 includes a main box body 101 and a power conversion module 102. The main box 101 may be made of a sheet metal, or may be made of metal or other materials.
The power conversion module 102 is disposed inside the main box body, and the main box body 101 provides necessary safety protection, such as water resistance, falling object resistance, and external objects from contacting the power conversion module 102, so as to ensure the safety of power utilization.
The main box 101 is provided with a communication window (not shown), and the power conversion module 102 exchanges heat with the main box radiator 20 through the communication window, that is, the power conversion module 102 radiates heat through the main box radiator 20.
As shown in fig. 1, it is conceivable that the main tank radiator 20 is disposed above the charging main tank 10, and the communication window is disposed on a surface of the main tank body 101 contacting the main tank radiator 20, so that heat generated by the power conversion module 102 can be more efficiently and rapidly transferred to the main tank radiator 20.
Optionally, in order to improve the heat transfer efficiency, the power conversion module 102 is in contact with the main tank heat sink 20 through the communication window, and the heat transfer mode with the highest heat transfer efficiency is adopted for heat dissipation.
In summary, according to the dc charging pile provided by the invention, the charging module in the prior art is not used as an independent device, but the power conversion module is directly arranged inside the main box body, so that the arrangement of the module box body is cancelled, and corresponding metal plate consumables are reduced.
Furthermore, the power conversion module is arranged inside the charging main box, so that the power conversion module can be directly connected with other parts in the charging main box, thereby saving a plug terminal used in the prior art and further reducing the cost of the direct-current charging pile.
Optionally, in practical application, according to a basic working principle of the DC charging pile, the power conversion module may be further divided into an AC/DC conversion module and a DC/DC conversion module, where the AC/DC conversion module is configured to implement AC-DC conversion, and the DC/DC conversion module is configured to implement DC-DC conversion. Furthermore, an alternating current distribution module and a direct current power distribution module which are arranged in the main charging box for realizing basic functions are also arranged in the main box body. The specific connection relationship is as follows: the input end of the alternating current distribution module is connected with an alternating current power grid, the output end of the alternating current distribution module is connected with the AC/DC conversion module, the AC/DC conversion module is connected with the DC/DC conversion module, and the DC/DC conversion module is connected with the charging gun through the direct current power distribution module. In order to facilitate connection between modules in the main box body, in the direct current charging pile provided by each embodiment of the invention, the alternating current distribution module, the AC/DC conversion module, the DC/DC conversion module and the direct current power distribution module are arranged in the main box body according to the flowing direction of charging power.
Optionally, in the connection process of the alternating current distribution module and the alternating current power grid, in order to ensure that the direct current charging pile reaches the protection level specified in the industry and ensure the normal operation of the direct current charging pile, the charging main box further comprises a waterproof wiring terminal, and the alternating current distribution module is connected with the alternating current power grid through the waterproof wiring terminal.
Based on the above, the following description will be given of the arrangement of the constituent modules in the charging main box with reference to the specific embodiment.
In practical application, based on the difference of the positions where the alternating current enters the direct current charging pile, the line feeding mode of the charging main box can be roughly divided into an upper line feeding mode and a lower line feeding mode, wherein the upper line feeding mode refers to the fact that the alternating current cable enters from the top or the upper position of the charging main box, and correspondingly, the lower line feeding mode refers to the fact that the alternating current cable enters from the bottom or the lower position of the charging main box. The above-described embodiment may be considered as an upper line, and the above-described embodiment may be considered as a lower line.
Specifically, the embodiment shown in fig. 2 provides a case where the main charging box adopts a lower incoming line, and in this case, the AC power distribution module 103, the AC/DC conversion module 1021, and the DC/DC conversion module 1022 are sequentially arranged in the main box body 101 from bottom to top.
Further, referring to fig. 3, the embodiment shown in fig. 3 provides a layout manner of the constituent modules when the charging main box adopts an upper incoming line, in this case, the AC power distribution module 103, the AC/DC conversion module 1021 and the DC/DC conversion module 1022 are sequentially arranged in the main box body 101 from top to bottom.
Optionally, as described above, the charging main box is further provided with a DC power distribution module, and the DC power distribution module may be disposed close to the DC/DC conversion module no matter the charging main box adopts an upper line or a lower line. The direct current power distribution module and the DC/DC conversion module are positioned in the same horizontal plane, the direct current power distribution module is far away from the main box radiator, and the direct current power distribution module is closer to the front panel of the charging main box.
Optionally, referring to fig. 4, fig. 4 is a block diagram of a structure of another dc charging pile provided in the embodiment of the present invention, and the dc charging pile provided in this embodiment provides an optional configuration of a main box heat sink on the basis of the above embodiment.
Specifically, the main tank radiator 20 includes a radiator tank 201, a radiator main body (shown as an AC/DC radiating main body 202 and a DC/DC radiating main body 203 in the drawing), and a radiating fan 204, wherein,
the radiator main body and the heat radiation fan 204 are arranged inside the radiator box body 201, the radiator box body 201 provides necessary protection for the radiator main body and the heat radiation fan 204, the radiator box body 201 is provided with a heat radiation air channel, the radiator main body is in contact with the power conversion module 102, heat generated by the power conversion module 102 in the working process is absorbed through heat transmission, air circulation is achieved through the heat radiation air channel, and then heat is radiated. Optionally, a surface of the heat sink body contacting the power conversion module 102 includes a planar structure, or a groove structure adapted to the power conversion module is adopted, and in order to achieve efficient heat conduction, a heat conduction material is disposed between the heat sink body and the power conversion module 102 to enhance a heat conduction effect.
As shown in fig. 4, the heat sink main body includes an AC/DC heat dissipating main body 202 and a DC/DC heat dissipating main body 203, and the AC/DC heat dissipating main body 202 contacts an AC/DC conversion module 1021 in the power conversion module to dissipate heat from the AC/DC conversion module 1021; the DC/DC heat dissipating body contacts the DC/DC conversion module 102 of the power conversion module to dissipate heat from the DC/DC conversion module 1022.
Optionally, for the installation position of the heat dissipation fan 204, a specific structure and a spatial layout of the main box heat sink need to be selected, in practical application, the heat dissipation fan 204 may be installed between the AC/DC heat dissipation main body 202 and the DC/DC heat dissipation main body 203, or around the heat sink main body (i.e., the AC/DC heat dissipation main body 202 and the DC/DC heat dissipation main body 203), so as to realize air flow from top to bottom, from bottom to top, from left to right, or from right to left.
Optionally, referring to fig. 5, fig. 5 is a schematic structural diagram of a dc charging pile provided in an embodiment of the present invention, and is embodied in a three-dimensional explosive diagram manner, so that the structure of the dc charging pile can be more clearly seen, and it can be seen that the charging main box in fig. 5 adopts a downward incoming line structure.
Specifically, in the dc charging pile provided in this embodiment, the main box body 101 of the charging main box mainly includes a supporting box body (also denoted by 101 in the figure) and a box door 106, which form a sealed box body through a hinge and a door handle lock, and the box door 106 is further provided with a display module 40 for displaying various states during the charging process. Optionally, the display module 40 can be implemented by using a display lamp panel assembly with lower cost, so that a liquid crystal display screen used in the prior art is replaced, and the cost is lower.
The interior of the main charging box can be roughly divided into two parts, wherein the first part is arranged at the bottom and mainly comprises an alternating current power distribution module 103 arranged at the bottom of the box. The bottom of the main box body 101 is provided with a hole (not shown in the figure), so that a waterproof terminal and three-phase alternating current can be conveniently installed to be directly connected, and the distance between the alternating current power distribution module 103 and the ground can be reduced by the lower wire inlet structure.
The second part is arranged on the upper part of the first part and is divided into two layers, the first layer is a direct current power distribution module 104 and a control module 30, the direct current power distribution module 104 is arranged on the top of the main box body 101, and the control module 30 is arranged in the middle of the main box body 101. The control module 30 is respectively connected to the DC power distribution module 104, the display module 40, the power conversion module (i.e., the AC/DC conversion module 1021 and the DC/DC conversion module 1022), and the AC power distribution module 103, and is configured to implement a predetermined function of the DC charging pile.
The second layer of the second part is mainly a power conversion module, wherein the AC/DC conversion module 1021 is on the upper part of the AC power distribution module 103, and the DC/DC conversion module 1022 is on the upper part of the AC/DC conversion module. Integrated charging stocks are installed on both sides of the main box body 101 near the dc power distribution module 104, and both the dc outlet and the charging gun 105 may be installed on the integrated charging stocks.
In the direct-current charging pile provided by this embodiment, three-phase alternating current enters the alternating-current distribution module 103 from the bottom, then enters the AC/DC conversion module 1021, and then enters the DC/DC conversion module 1022 upward; after the power conversion is completed, the vehicle then enters the dc power distribution module 104 at the top of the charging post and is charged via the dc appearing and charging gun 105. The whole power flow trend is smooth and reasonable in the pile body, and the wiring path is greatly optimized.
The main body of the main box radiator 20 is composed of a base plate and fins, and the fins of the radiator extend into the radiator box 201 to facilitate heat dissipation. The structural layout mode enables the power conversion module to be tightly attached to the rear wall of the main box body, the heating device of the power conversion module is easily attached to the rear radiator main body, and heat dissipation of the pile body is facilitated.
Optionally, the fixing device 50 connected to the main box 101 in this embodiment is a floor-type base, and the floor-type base is provided with a through hole for fixing the dc charging pile on the ground.
Optionally, the direct current charging pile provided by each embodiment of the invention is more integrated, smaller in size, lighter in weight and suitable for wall-mounted installation. Thus, as shown in fig. 6, the fixture 50 may also be a wall-mounted bracket. When the installation is carried out, only the floor type base needs to be removed, and the wall hanging support is added on the back surface of the main box radiator, so that the simple switching between floor installation and wall hanging installation is realized.
Optionally, an embodiment of the present invention further provides a charging station, including: a transformer and at least one dc charging post as provided in any of the above, wherein,
the primary side of the transformer is connected with a public power grid;
and the secondary side of the transformer is respectively connected with each direct current charging pile.
The embodiments of the invention are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments can be referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims (17)

1. A direct current fills electric pile, its characterized in that includes: a charging main tank and a main tank radiator, wherein,
the charging main box is connected with the main box radiator;
the charging main box comprises a main box body and a power conversion module, wherein,
the power conversion module is arranged inside the main box body;
the main box body is provided with a communication window, and the power conversion module exchanges heat with the main box radiator through the communication window.
2. The direct current charging pile according to claim 1, wherein the power conversion module comprises an AC/DC conversion module and a DC/DC conversion module;
the alternating current distribution module and the direct current power distribution module of the charging main box are arranged in the main box body;
the alternating current distribution module, the AC/DC conversion module, the DC/DC conversion module and the direct current power distribution module are arranged in the main box body according to the flowing direction of charging power.
3. The direct-current charging pile according to claim 2, wherein the alternating-current distribution module, the AC/DC conversion module and the DC/DC conversion module are sequentially arranged in the main box body from bottom to top in a case that the charging main box adopts a lower incoming line.
4. The direct-current charging pile according to claim 2, wherein the alternating-current distribution module, the AC/DC conversion module and the DC/DC conversion module are sequentially arranged in the main box body from top to bottom in a case that the charging main box adopts an upper incoming line.
5. The dc charging post according to claim 2, wherein said charging main box further comprises an integrated charging stock;
the integrated charging stock is arranged close to the direct current power distribution module.
6. The direct current charging pile according to any one of claims 2-5, wherein the direct current power distribution module and the DC/DC conversion module are located in the same horizontal plane, and the direct current power distribution module is far away from the main box heat sink.
7. The direct current charging pile according to any one of claims 2 to 5, wherein the charging main box further comprises a waterproof terminal;
and the alternating current distribution module is connected with an alternating current power grid through the waterproof wiring terminal.
8. The dc charging post according to claim 1, wherein said power conversion module is in contact with said main tank heat sink through said communication window.
9. The dc charging post of claim 8, wherein said main tank heat sink comprises: a radiator box body, a radiator main body and a radiating fan, wherein,
the radiator main body and the radiating fan are arranged in the radiator box body;
the radiator box body is provided with a radiating air duct;
the heat sink body is in contact with the power conversion module.
10. The dc charging post according to claim 9, wherein a surface of the heat sink body contacting the power conversion module comprises a planar structure or a groove structure adapted to the power conversion module;
and a heat conduction material is arranged between the heat radiator main body and the power conversion module.
11. The direct current charging post according to claim 9, wherein the heat sink body includes an AC/DC heat dissipating body and a DC/DC heat dissipating body, wherein,
the AC/DC heat dissipation body is used for dissipating heat for an AC/DC conversion module in the power conversion module;
the DC/DC heat dissipation main body is used for dissipating heat of a DC/DC conversion module in the power conversion module.
12. The direct current charging pile according to claim 11, wherein the heat dissipation fan is disposed between the AC/DC heat dissipation body and the DC/DC heat dissipation body, or disposed around the heat sink body.
13. The direct current charging pile of claim, further comprising: a control module that, wherein,
the control module is arranged in the main box body and connected with the power conversion module.
14. The DC charging post according to claim 13, further comprising a display module, wherein,
the display module is arranged on a box door of the main box body;
the display module is connected with the control module.
15. The dc charging post of claim 14, wherein the display module comprises a display lamp panel assembly.
16. The direct current charging pile according to any one of claims 1-5 and 8-15, further comprising a fixing device connected with the main box body;
the fixing device comprises a floor type base or a wall-mounted bracket.
17. A charging station, comprising: a transformer and at least one direct current charging post according to any one of claims 1 to 16,
the primary side of the transformer is connected with a public power grid;
and the secondary side of the transformer is respectively connected with each direct current charging pile.
CN202110366042.7A 2021-04-06 2021-04-06 Direct current fills electric pile and charging station Pending CN112874363A (en)

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Application Number Priority Date Filing Date Title
CN202110366042.7A CN112874363A (en) 2021-04-06 2021-04-06 Direct current fills electric pile and charging station

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Application Number Priority Date Filing Date Title
CN202110366042.7A CN112874363A (en) 2021-04-06 2021-04-06 Direct current fills electric pile and charging station

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Publication Number Publication Date
CN112874363A true CN112874363A (en) 2021-06-01

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Application publication date: 20210601