Double-matrix charging power distribution system

Abstract

The utility model discloses a double-matrix charging power distribution system which comprises a power control module, two charging power modules, two power distribution modules and charging piles, the power control module is connected with the charging power modules, the power distribution modules and the charging piles, and the output ends of the charging power modules are connected with the input ends of the power distribution modules. The output end of the power distribution module is connected with the charging pile; the charging power module comprises a plurality of output ends, the power distribution module comprises a plurality of input ends and output ends, the charging pile comprises a plurality of two kinds of charging guns, and the output ends in the same sequence in the charging power module are correspondingly connected with the input ends in the same sequence in the power distribution module. And the output ends of the same sequence in the power distribution module are correspondingly connected with the charging guns of the same sequence in the charging piles. According to the charging power distribution structure based on the double matrixes, the flexible distribution requirement of the charging power of the charging pile is met, the charging cost is reduced, and the charging efficiency and reliability of the charging pile are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of charging power management, in particular to a dual-matrix charging power distribution system. Background Art

[0002] my country's new energy industry is currently experiencing rapid development, and the resulting new energy vehicles powered by electricity have gradually become a popular vehicle type among Chinese citizens. Compared to the traditional energy vehicle industry, range anxiety and charging inconvenience are the main bottlenecks hindering the development of the new energy vehicle industry. With the increasing popularity of high-power, high-charging current fast-charging stations, new problems have arisen: because different vehicle types have different charging power requirements, if charging stations cannot reasonably call and distribute their charging power, both inadequate and excessive power allocation will result in low charging efficiency, waste of charging resources, and low charging reliability. Furthermore, the high charging costs are detrimental to the development of the new energy vehicle industry. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the existing technology. The utility model provides a dual-matrix charging power distribution system. Based on the dual-matrix charging power distribution structure, it meets the flexible distribution requirements of charging pile charging power, reduces charging costs, and effectively improves the charging efficiency and reliability of charging piles.

[0004] The utility model provides a dual-matrix charging power distribution system, which includes a power control module, a first charging power module, a second charging power module, a first power distribution module, a second power distribution module, and a charging pile. The power control module is connected to the first charging power module, the second charging power module, the first power distribution module, the second power distribution module, and the charging pile. The input end of the first charging power module and the input end of the second charging power module are connected to the power grid based on a charging bus. The output end of the first charging power module is connected to the input end of the first power distribution module, the output end of the second charging power module is connected to the input end of the second power distribution module, and the output end of the first power distribution module and the output end of the second power distribution module are connected to the charging pile.

[0005] The first charging power module includes a plurality of output terminals, the first power distribution module includes a plurality of input terminals and output terminals, and the charging pile includes a plurality of first-type charging guns. The ordering basis of the output terminals of the first charging power module, the ordering basis of the input terminals of the first power distribution module, the ordering basis of the output terminals of the first power distribution module, and the ordering basis of the first-type charging guns are all arranged in order from A1 to AN, where N is a positive integer. Output terminals of the first charging power module with the same ordering are connected to input terminals of the first power distribution module with the same ordering, and output terminals of the first power distribution module with the same ordering are connected to charging guns of the first-type charging pile with the same ordering.

[0006] The second charging power module includes several output ends, the second power distribution module includes several input ends and output ends, and the charging pile includes several second-type charging guns. The sorting basis of the output ends of the second charging power module, the sorting basis of the input ends of the second power distribution module, the sorting basis of the output ends of the second power distribution module, and the sorting basis of the second-type charging guns are all sorted according to B1 to BN, where N is a positive integer. The output ends of the second charging power module with the same sorting are correspondingly connected to the input ends of the second power distribution module with the same sorting, and the output ends of the second power distribution module with the same sorting are correspondingly connected to the second-type charging guns of the same sorting in the charging pile.

[0007] Furthermore, the plurality of output terminals of the first charging power module include a positive output terminal and a negative output terminal, and the plurality of input terminals of the first power distribution module include a positive input terminal and a negative input terminal. The positive output terminals of the first charging power module and the positive input terminals of the first power distribution module are both sorted from A1+ to AN+, and the negative output terminals of the first charging power module and the negative input terminals of the first power distribution module are both sorted from A1- to AN-. N is a positive integer. Positive output terminals of the first charging power module with the same sorting are connected to positive input terminals of the first power distribution module with the same sorting, and negative output terminals of the first charging power module with the same sorting are connected to negative input terminals of the first power distribution module with the same sorting.

[0008] The plurality of output terminals of the second charging power module include a positive output terminal and a negative output terminal, and the plurality of input terminals of the second power distribution module include a positive input terminal and a negative input terminal. The positive output terminals of the second charging power module and the positive input terminals of the second power distribution module are both sorted from B1+ to BN+, and the negative output terminals of the second charging power module and the negative input terminals of the second power distribution module are both sorted from B1- to BN-, where N is a positive integer. Positive output terminals of the second charging power module with the same sorting are connected to positive input terminals of the second power distribution module with the same sorting, and negative output terminals of the second charging power module with the same sorting are connected to negative input terminals of the second power distribution module with the same sorting.

[0009] Furthermore, the multiple output ends of the first power distribution module include a positive output end and a negative output end, and any one of the first type of charging guns includes a positive end and a negative end. The positive output ends of the first power distribution module and the positive end of the first type of charging gun are both sorted from A1+ to AN+, and the negative output ends of the first power distribution module and the negative end of the first type of charging gun are both sorted from A1- to AN-. N is a positive integer. The positive output ends of the first power distribution module with the same sorting are connected to the positive ends of the first type of charging gun with the same sorting, and the negative output ends of the first power distribution module with the same sorting are connected to the negative ends of the first type of charging gun with the same sorting.

[0010] The several output ends of the second power distribution module include a positive output end and a negative output end, and any one of the second type of charging guns includes a positive end and a negative end. The sorting basis of the positive output end of the second power distribution module and the sorting basis of the positive end of the second type of charging gun are both sorted according to B1+ to BN+, and the sorting basis of the negative output end of the second power distribution module and the sorting basis of the negative end of the second type of charging gun are both sorted according to B1- to BN-, where N is a positive integer. The positive output ends of the second power distribution module with the same sorting are correspondingly connected to the positive ends of the second type of charging gun with the same sorting, and the negative output ends of the second power distribution module with the same sorting are correspondingly connected to the negative ends of the second type of charging gun with the same sorting.

[0011] Furthermore, a switch relay is provided between the output end of the first power distribution module and the output end of the second power distribution module.

[0012] Furthermore, a heat dissipation module is provided on the charging bus connecting the input end of the first charging power module and the power grid, and on the charging bus connecting the input end of the second charging power module and the power grid.

[0013] Furthermore, a fuse is provided between the heat dissipation module and the charging bus.

[0014] Furthermore, a lightning arrester is provided on the charging bus connecting the input end of the first charging power module and the power grid, and on the charging bus connecting the input end of the second charging power module and the power grid.

[0015] Furthermore, an air switch is provided between the lightning arrester and the charging bus.

[0016] Furthermore, an air switch is provided on the charging bus connecting the input end of the first charging power module and the power grid, and on the charging bus connecting the input end of the second charging power module and the power grid.

[0017] Furthermore, a DC contactor is provided on the charging bus connecting the input end of the first charging power module and the power grid, and the input end of the second charging power module and the power grid.

[0018] The utility model provides a dual-matrix charging power distribution system. Based on the dual-matrix charging power distribution structure, two charging power modules and two power distribution modules are set. The first charging power module, the first power module and the first type of charging gun correspond one to one, and the second charging power module, the second power module and the second type of charging gun correspond one to one. It is only necessary to set a switch relay between the output ends of the two power modules. Power can be distributed to a single charging gun according to a single power distribution module. At the same time, a heat dissipation module, a lightning arrester, an air switch and a DC contactor are provided to improve charging safety and stability, reduce charging costs, meet the flexible distribution requirements of charging power of charging piles, reduce charging costs, and effectively improve the charging efficiency and reliability of charging piles. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 This is a module architecture diagram of a dual-matrix charging power distribution system in an embodiment of the present utility model;

[0021] Figure 2 This is a circuit schematic diagram of a dual-matrix charging power distribution system in an embodiment of the present utility model. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] In the present invention, it should be understood that terms such as "include" or "have" are intended to indicate the existence of features, numbers, steps, behaviors, components, parts or their combinations disclosed in this specification, and are not intended to exclude the possibility of one or more other features, numbers, steps, behaviors, components, parts or their combinations existing or being added.

[0024] It should also be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] An embodiment of the present utility model provides a dual-matrix charging power distribution system, which includes a power control module, a first charging power module, a second charging power module, a first power distribution module, a second power distribution module, and a charging pile. The power control module is connected to the first charging power module, the second charging power module, the first power distribution module, the second power distribution module, and the charging pile. The input end of the first charging power module and the input end of the second charging power module are connected to the power grid based on a charging bus. The output end of the first charging power module is connected to the input end of the first power distribution module, the output end of the second charging power module is connected to the input end of the second power distribution module, and the output end of the first power distribution module and the output end of the second power distribution module are connected to the charging pile.

[0026] In an optional implementation of this embodiment, as Figure 1 As shown, Figure 1 A module architecture diagram of a dual-matrix charging power distribution system in an embodiment of the present invention is shown. The power control module is connected to the first charging power module, the second charging power module, the first power distribution module, the second power distribution module, and the charging pile. The input end of the first charging power module and the input end of the second charging power module are connected to the power grid based on the charging bus. The output end of the first charging power module is connected to the input end of the first power distribution module, the output end of the second charging power module is connected to the input end of the second power distribution module, and the output end of the first power distribution module and the output end of the second power distribution module are connected to the charging pile.

[0027] In an optional implementation of this embodiment, the first charging power module includes several output ends, the first power distribution module includes several input ends and output ends, the charging pile includes several first-type charging guns, and the sorting basis of the output ends of the first charging power module, the sorting basis of the input ends of the first power distribution module, the sorting basis of the output ends of the first power distribution module, and the sorting basis of the first-type charging guns are all sorted according to A1 to AN, where N is a positive integer.

[0028] Specifically, such as Figure 2 As shown, Figure 2 The schematic diagram of the dual-matrix charging power distribution system in an embodiment of the present invention is shown. The first charging power module includes several output terminals, which are sorted from top to bottom according to A1 to AN, with the top output terminal being A1, ..., and the bottom output terminal being AN, where N is a positive integer.

[0029] More, such as Figure 2 As shown, the first power distribution module includes several input terminals, which are sorted from top to bottom according to A1 to AN, with the top input terminal being A1, ..., and the bottom input terminal being AN, and N being a positive integer.

[0030] More, such as Figure 2 As shown, the first power distribution module includes several output terminals, which are sorted from top to bottom according to A1 to AN, with the top output terminal being A1, ..., and the bottom output terminal being AN, and N being a positive integer.

[0031] More, such as Figure 2 As shown, the charging pile includes several first-type charging guns, which are sorted from left to right according to A1 to AN, with the leftmost being A1, ..., and the rightmost being AN, and N being a positive integer.

[0032] In an optional implementation of this embodiment, the output ends of the first charging power module with the same order are correspondingly connected to the input ends of the first power distribution module with the same order.

[0033] Specifically, such as Figure 2 As shown, the output end of the first charging power module ranked A1 is connected to the input end of the first power distribution module ranked A1, and the output end of the first charging power module ranked AN is connected to the input end of the first power distribution module ranked AN.

[0034] In an optional implementation of this embodiment, the output ends of the first power distribution module with the same sequence are correspondingly connected to the first type of charging guns of the same sequence in the charging pile.

[0035] Specifically, such as Figure 2 As shown, the output end of the first power distribution module ranked A1 is connected to the first type of charging gun ranked A1 in the charging pile, and the output end of the first power distribution module ranked AN is connected to the first type of charging gun ranked AN in the charging pile.

[0036] It should be noted that the number of output terminals of the first charging power module, the number of input terminals and the number of output terminals of the first power distribution module, and the number of the first type of charging guns are the same.

[0037] More, Figure 2 Only the output end of the first charging power module, the input end, the output end of the first power distribution module, and the first type of charging gun, which are ordered as A1 and AN, are marked. The order of the output end of the remaining first charging power modules, the order of the input end of the first power distribution module, the order of the output end, and the order of the first type of charging gun can be obtained according to the ordering basis, and the connection relationship can also be inferred.

[0038] In an optional implementation of this embodiment, the second charging power module includes several output terminals, the second power distribution module includes several input terminals and output terminals, and the charging pile includes several second-type charging guns. The sorting basis of the output terminals of the second charging power module, the sorting basis of the input terminals of the second power distribution module, the sorting basis of the output terminals of the second power distribution module, and the sorting basis of the second-type charging guns are all sorted according to B1 to BN, where N is a positive integer;

[0039] The output terminals of the second charging power module having the same sequence are connected to the input terminals of the second power distribution module having the same sequence;

[0040] The output ends of the second power distribution module having the same sequence are correspondingly connected to the second type of charging guns of the same sequence in the charging pile.

[0041] Specifically, the output end of the second charging power module, the input end, the output end of the second power distribution module, and the second type of charging gun are basically the same as the output end of the first charging power module, the input end, the output end of the first power distribution module, and the first type of charging gun. The only difference is that the output end of the second charging power module, the input end, the output end of the second power distribution module, and the second type of charging gun are sorted according to B1 to BN, and their connection relationship can also be based on Figure 2 The above is inferred and will not be elaborated here.

[0042] In an optional implementation of this embodiment, the multiple output terminals of the first charging power module include a positive output terminal and a negative output terminal, and the multiple input terminals of the first power distribution module include a positive input terminal and a negative input terminal. The positive output terminals of the first charging power module and the positive input terminals of the first power distribution module are both sorted from A1+ to AN+, and the negative output terminals of the first charging power module and the negative input terminals of the first power distribution module are both sorted from A1- to AN-, where N is a positive integer.

[0043] Specifically, such as Figure 2 As shown, the A1 output terminal on the first charging power module includes an A1+ positive output terminal and an A1- negative output terminal, the AN output terminal includes an AN+ positive output terminal and an AN- negative output terminal, the A1 input terminal on the first power distribution module includes an A1+ positive input terminal and an A1- negative input terminal, and the AN input terminal includes an AN+ positive input terminal and an AN- negative input terminal.

[0044] In an optional implementation of this embodiment, the positive output terminals of the same order in the first charging power modules are correspondingly connected to the positive input terminals of the same order in the first power distribution module, and the negative output terminals of the same order in the first charging power modules are correspondingly connected to the negative input terminals of the same order in the first power distribution module.

[0045] Specifically, such as Figure 2 As shown, the positive output end of the first charging power module ranked as A1+ is connected to the positive input end of the first power distribution module ranked as A1+, the positive output end of the first charging power module ranked as AN+ is connected to the positive input end of the first power distribution module ranked as AN+, the negative output end of the first charging power module ranked as A1- is connected to the negative input end of the first power distribution module ranked as A1-, and the negative output end of the first charging power module ranked as AN- is connected to the negative input end of the first power distribution module ranked as AN-.

[0046] In an optional implementation of this embodiment, the multiple output terminals of the second charging power module include a positive output terminal and a negative output terminal, and the multiple input terminals of the second power distribution module include a positive input terminal and a negative input terminal. The positive output terminals of the second charging power module and the positive input terminals of the second power distribution module are both sorted from B1+ to BN+, and the negative output terminals of the second charging power module and the negative input terminals of the second power distribution module are both sorted from B1- to BN-, where N is a positive integer.

[0047] The positive output terminals of the same order in the second charging power modules are connected correspondingly to the positive input terminals of the same order in the second power distribution module, and the negative output terminals of the same order in the second charging power modules are connected correspondingly to the negative input terminals of the same order in the second power distribution module.

[0048] Specifically, the ordering basis and connection relationship of the positive output terminal and negative output terminal of the second charging power module and the positive input terminal and negative input terminal of the second power distribution module are basically the same as the ordering basis and connection relationship of the positive output terminal and negative output terminal of the first charging power module and the positive input terminal and negative input terminal of the first power distribution module. The only difference is that the ordering basis of the positive output terminal and negative output terminal of the second charging power module and the positive input terminal and negative input terminal of the second power distribution module are B1+~BN+ and B1-~BN- respectively, and their connection relationship can also be based on Figure 2 The above is inferred and will not be elaborated here.

[0049] In an optional implementation of this embodiment, the several output ends of the first power distribution module include a positive output end and a negative output end, and any one of the first type of charging guns includes a positive end and a negative end. The sorting basis of the positive output end of the first power distribution module and the sorting basis of the positive end of the first type of charging gun are both sorted according to A1+~AN+, and the sorting basis of the negative output end of the first power distribution module and the sorting basis of the negative end of the first type of charging gun are both sorted according to A1-~AN-, and N is a positive integer.

[0050] Specifically, such as Figure 2 As shown, the A1 output end on the first power distribution module includes an A1+ positive output end and an A1- negative output end, the AN output end includes an AN+ positive output end and an AN- negative output end, the A1 charging gun includes an A1+ positive end and an A1- negative end, and the AN charging gun includes an AN+ positive end and an AN- negative end.

[0051] In an optional implementation of this embodiment, the positive output terminals of the same order in the first power distribution module are correspondingly connected to the positive terminals of the first type of charging guns of the same order, and the negative output terminals of the same order in the first power distribution module are correspondingly connected to the negative terminals of the first type of charging guns of the same order.

[0052] Specifically, such as Figure 2As shown, the positive output terminal sorted as A1+ in the first power distribution module is connected to the positive terminal A1+ of the A1 charging gun, the positive output terminal sorted as AN+ in the first power distribution module is connected to the positive terminal AN+ of the AN charging gun, the negative output terminal sorted as A1- in the first power distribution module is connected to the negative terminal A1- of the A1 charging gun, and the negative output terminal sorted as AN- in the first power distribution module is connected to the negative terminal AN- of the AN charging gun.

[0053] In an optional implementation of this embodiment, the multiple output terminals of the second power distribution module include a positive output terminal and a negative output terminal, and any one of the second-type charging guns includes a positive terminal and a negative terminal. The positive output terminals of the second power distribution module and the positive terminal of the second-type charging gun are both sorted from B1+ to BN+, and the negative output terminals of the second power distribution module and the negative terminal of the second-type charging gun are both sorted from B1- to BN-, where N is a positive integer.

[0054] The positive output terminals of the same order in the second power distribution module are connected to the positive terminals of the second type of charging guns of the same order, and the negative output terminals of the same order in the second power distribution module are connected to the negative terminals of the second type of charging guns of the same order.

[0055] Specifically, the ordering basis and connection relationship of the positive output terminal and negative output terminal of the second power distribution module and the positive terminal and negative terminal of the second type of charging gun are basically the same as the ordering basis and connection relationship of the positive output terminal and negative output terminal of the first power distribution module and the positive terminal and negative terminal of the first type of charging gun. The only difference is that the ordering basis of the positive output terminal and negative output terminal of the second power distribution module and the positive terminal and negative terminal of the second type of charging gun are B1+~BN+ and B1-~BN- respectively, and their connection relationship can also be based on Figure 2 The above is inferred and will not be elaborated here.

[0056] In an optional implementation of this embodiment, a switch relay is provided between the output end of the first power distribution module and the output end of the second power distribution module.

[0057] Specifically, two switching relays are provided between the A1 output end of the first power distribution module and the B1 output end of the second power distribution module, wherein a switching relay Q1+ is provided between the A1+ positive output end of the first power distribution module and the B1+ positive output end of the second power distribution module, a switching relay Q1- is provided between the A1- negative output end of the first power distribution module and the B1- negative output end of the second power distribution module, a switching relay QN+ is provided between the AN+ positive output end of the first power distribution module and the BN+ positive output end of the second power distribution module, and a switching relay QN- is provided between the AN- negative output end of the first power distribution module and the BN- negative output end of the second power distribution module. The remaining settings can be inferred.

[0058] In an optional implementation of this embodiment, the input end of the first charging power module and the input end of the second charging power module are connected to the power grid based on a charging bus.

[0059] Specifically, the charging bus includes a phase A live wire, a phase B live wire, a phase C live wire, an N neutral wire and a PE ground wire, wherein the input end of the first charging power module and the input end of the second charging power module are connected to the power grid based on the phase A live wire, the phase B live wire, the phase C live wire and the PE ground wire.

[0060] In an optional implementation of this embodiment, a heat dissipation module is provided on the charging bus connecting the input end of the first charging power module and the power grid, and the input end of the second charging power module and the power grid.

[0061] Specifically, such as Figure 2 As shown, one end of the heat dissipation module is connected to the A-phase live wire, and the other end is connected to the N-phase zero wire. The heat dissipation module is used for heat dissipation.

[0062] In an optional implementation of this embodiment, a fuse is provided between the heat dissipation module and the charging bus.

[0063] Specifically, a fuse F is provided on the connection line between the heat dissipation module and the A-phase live wire.

[0064] In an optional implementation of this embodiment, a lightning arrester FVC is provided on the charging bus connecting the input end of the first charging power module and the grid, and the charging bus connecting the input end of the second charging power module and the grid.

[0065] Specifically, the lightning arrester FVC is connected to the A-phase live wire, the B-phase live wire, the C-phase live wire, the N neutral wire and the PE ground wire respectively.

[0066] In an optional implementation of this embodiment, an air switch is provided between the lightning arrester and the charging bus.

[0067] Specifically, air switches QF are provided between the lightning arrester FVC and the A-phase live wire, the B-phase live wire, and the C-phase live wire.

[0068] In an optional implementation of this embodiment, an air switch is provided on the charging bus connecting the input end of the first charging power module and the power grid, and the charging bus connecting the input end of the second charging power module and the power grid.

[0069] Specifically, an air switch QF is provided between the input end of the first charging power module and the power grid, and on the A-phase live wire, B-phase live wire, and C-phase live wire connecting the input end of the second charging power module to the power grid. The air switch QF is used to control the on and off of the charging bus.

[0070] In an optional implementation of this embodiment, a DC contactor is provided on the charging bus connecting the input end of the first charging power module and the grid, and the charging bus connecting the input end of the second charging power module and the grid.

[0071] Specifically, a DC contactor KM is provided between the input end of the first charging power module and the power grid, and on the A-phase live wire, B-phase live wire, and C-phase live wire connecting the input end of the second charging power module to the power grid. The DC contactor KM controls the on / off of the current load input to the first charging power module and the second charging power module, and plays a role in protecting the circuit.

[0072] In an optional implementation of this embodiment, the power control module is connected to the first charging power module, the second charging power module, the first power distribution module, the second power distribution module, and the charging pile based on a CAN bus.

[0073] Specifically, the power control module is connected to the charging pile based on the CAN1 bus, is connected to the first power distribution module and the second power distribution module based on the CAN2 bus, and is connected to the first charging power module and the second charging power module based on the CAN3 bus.

[0074] In an optional implementation of this embodiment, the system is further provided with a display unit.

[0075] Specifically, the display unit is used to display the working status and working parameters of the dual-matrix charging power distribution system.

[0076] In an optional implementation of this embodiment, the system is further provided with a fault detection unit.

[0077] Specifically, the fault detection unit is used to detect whether a fault occurs in the dual-matrix charging power distribution system during operation.

[0078] In an optional implementation of this embodiment, the system is further provided with an alarm unit.

[0079] Specifically, the alarm unit is used to issue an alarm and terminate the operation of the system when the fault detection unit detects a fault.

[0080] In an optional implementation of this embodiment, the system is further provided with a key unit.

[0081] Specifically, the key unit is used for an operator to input system operation control instructions through keys.

[0082] Working principle: A dual-matrix-based charging power distribution structure is adopted, and two charging power modules and two power distribution modules are set. The first charging power module, the first power module and the first type of charging gun correspond one to one, and the second charging power module, the second power module and the second type of charging gun correspond one to one. The power distribution module is controlled to distribute appropriate charging power to the charging gun, and the power input from the charging power module to the power distribution module is controlled at the same time. The current input from the power grid to the charging power module is controlled through the DC contactor, and the above charging process is controlled by the power control module.

[0083] In summary, the embodiment of the utility model proposes a dual-matrix charging power distribution system. Based on the dual-matrix charging power distribution structure, two charging power modules and two power distribution modules are set. The first charging power module, the first power module and the first type of charging gun correspond one to one, and the second charging power module, the second power module and the second type of charging gun correspond one to one. It is only necessary to set a switch relay between the output ends of the two power modules. Power can be distributed to a single charging gun according to a single power distribution module. At the same time, a heat dissipation module, a lightning arrester, an air switch, and a DC contactor are provided to improve charging safety and stability, reduce charging costs, meet the flexible distribution requirements of charging power of charging piles, reduce charging costs, and effectively improve the charging efficiency and reliability of charging piles.

[0084] The above is a detailed introduction to a dual-matrix charging power distribution system provided by an embodiment of the present invention. This article uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention; at the same time, for general technical personnel in this field, based on the idea of ​​the present invention, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A dual-matrix charging power distribution system, characterized in that: The system includes a power control module, a first charging power module, a second charging power module, a first power distribution module, a second power distribution module, and a charging pile. The power control module is connected to the first charging power module, the second charging power module, the first power distribution module, the second power distribution module, and the charging pile. The input end of the first charging power module and the input end of the second charging power module are connected to the power grid based on a charging bus. The output end of the first charging power module is connected to the input end of the first power distribution module, the output end of the second charging power module is connected to the input end of the second power distribution module, and the output end of the first power distribution module and the output end of the second power distribution module are connected to the charging pile. The first charging power module includes a plurality of output terminals, the first power distribution module includes a plurality of input terminals and output terminals, and the charging pile includes a plurality of first-type charging guns. The ordering basis of the output terminals of the first charging power module, the ordering basis of the input terminals of the first power distribution module, the ordering basis of the output terminals of the first power distribution module, and the ordering basis of the first-type charging guns are all arranged in order from A1 to AN, where N is a positive integer. Output terminals of the first charging power module with the same ordering are connected to input terminals of the first power distribution module with the same ordering, and output terminals of the first power distribution module with the same ordering are connected to charging guns of the first-type charging pile with the same ordering. The second charging power module includes several output ends, the second power distribution module includes several input ends and output ends, and the charging pile includes several second-type charging guns. The sorting basis of the output ends of the second charging power module, the sorting basis of the input ends of the second power distribution module, the sorting basis of the output ends of the second power distribution module, and the sorting basis of the second-type charging guns are all sorted according to B1 to BN, where N is a positive integer. The output ends of the second charging power module with the same sorting are correspondingly connected to the input ends of the second power distribution module with the same sorting, and the output ends of the second power distribution module with the same sorting are correspondingly connected to the second-type charging guns of the same sorting in the charging pile.

2. The dual-matrix charging power distribution system according to claim 1, characterized in that: The plurality of output terminals of the first charging power module include a positive output terminal and a negative output terminal, and the plurality of input terminals of the first power distribution module include a positive input terminal and a negative input terminal. The positive output terminals of the first charging power module and the positive input terminals of the first power distribution module are both sorted from A1+ to AN+, and the negative output terminals of the first charging power module and the negative input terminals of the first power distribution module are both sorted from A1- to AN-. N is a positive integer. Positive output terminals of the first charging power module with the same sorting are connected to positive input terminals of the first power distribution module with the same sorting, and negative output terminals of the first charging power module with the same sorting are connected to negative input terminals of the first power distribution module with the same sorting. The plurality of output terminals of the second charging power module include a positive output terminal and a negative output terminal, and the plurality of input terminals of the second power distribution module include a positive input terminal and a negative input terminal. The positive output terminals of the second charging power module and the positive input terminals of the second power distribution module are both sorted from B1+ to BN+, and the negative output terminals of the second charging power module and the negative input terminals of the second power distribution module are both sorted from B1- to BN-, where N is a positive integer. Positive output terminals of the second charging power module with the same sorting are connected to positive input terminals of the second power distribution module with the same sorting, and negative output terminals of the second charging power module with the same sorting are connected to negative input terminals of the second power distribution module with the same sorting.

3. The dual-matrix charging power distribution system according to claim 1, characterized in that: The plurality of output terminals of the first power distribution module include a positive output terminal and a negative output terminal, and any one of the first type of charging guns includes a positive terminal and a negative terminal. The positive output terminals of the first power distribution module and the positive terminal of the first type of charging gun are both sorted from A1+ to AN+, and the negative output terminals of the first power distribution module and the negative terminal of the first type of charging gun are both sorted from A1- to AN-. N is a positive integer. Positive output terminals of the first power distribution module with the same sorting are connected to the positive terminals of the first type of charging gun with the same sorting, and negative output terminals of the first power distribution module with the same sorting are connected to the negative terminals of the first type of charging gun with the same sorting. The several output ends of the second power distribution module include a positive output end and a negative output end, and any one of the second type of charging guns includes a positive end and a negative end. The sorting basis of the positive output end of the second power distribution module and the sorting basis of the positive end of the second type of charging gun are both sorted according to B1+ to BN+, and the sorting basis of the negative output end of the second power distribution module and the sorting basis of the negative end of the second type of charging gun are both sorted according to B1- to BN-, where N is a positive integer. The positive output ends of the second power distribution module with the same sorting are correspondingly connected to the positive ends of the second type of charging gun with the same sorting, and the negative output ends of the second power distribution module with the same sorting are correspondingly connected to the negative ends of the second type of charging gun with the same sorting.

4. The dual-matrix charging power distribution system according to claim 1, characterized in that: A switch relay is provided between the output end of the first power distribution module and the output end of the second power distribution module.

5. The dual-matrix charging power distribution system according to claim 1, characterized in that: A heat dissipation module is provided on a charging bus connected between the input end of the first charging power module and the power grid, and on a charging bus connected between the input end of the second charging power module and the power grid.

6. The dual-matrix charging power distribution system according to claim 5, characterized in that: A fuse is provided between the heat dissipation module and the charging bus.

7. The dual-matrix charging power distribution system according to claim 1, characterized in that: A lightning arrester is provided on the charging bus connecting the input end of the first charging power module and the power grid, and on the charging bus connecting the input end of the second charging power module and the power grid.

8. The dual-matrix charging power distribution system according to claim 7, characterized in that: An air switch is provided between the lightning arrester and the charging bus.

9. The dual-matrix charging power distribution system according to claim 1, characterized in that: An air switch is provided on the charging bus connecting the input end of the first charging power module and the power grid, and on the charging bus connecting the input end of the second charging power module and the power grid.

10. The dual-matrix charging power distribution system according to claim 1, characterized in that: A DC contactor is provided on the charging bus connecting the input end of the first charging power module and the power grid, and on the charging bus connecting the input end of the second charging power module and the power grid.

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