Annular charging power distribution system
By using a ring-shaped charging power distribution system, which employs a ring structure and staggered switch relay groups, the problem of charging piles being unable to allocate power reasonably is solved, thereby improving charging efficiency and reliability and reducing costs.
Patent Information
- Application Number
- CN202423030948.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing charging stations cannot effectively utilize and allocate charging power, resulting in low charging efficiency and resource waste, which hinders the development of the new energy vehicle industry.
A ring-shaped charging power distribution system is adopted, which achieves flexible distribution of charging power through a ring-shaped power distribution module and an interleaved group of switch relays. Combined with a heat dissipation module, surge protector and air switch, safety and stability are improved.
It improves the charging efficiency and reliability of charging piles, reduces charging costs, meets the charging needs of different vehicles, and achieves a reasonable allocation of charging power.
Smart Images
Figure CN223599537U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to charging power management technical field especially relates to a ring charging power distribution system. BACKGROUND
[0002] The current new energy industry in China is in the high-speed development stage, and the new energy vehicles driven by electricity gradually become the favorite car type of Chinese people. Compared with the traditional energy vehicle industry, the range anxiety and charging inconvenience are the main bottleneck restricting the development of new energy vehicle industry. Nowadays, with the gradual popularization of high-power, high-charging current fast charging piles, new problems come one after another: due to different charging power requirements of different vehicle types, if the charging pile cannot reasonably call and distribute the charging power, in the case of power distribution not in place and power distribution surplus, it will cause low charging efficiency, waste of charging resources and charging reliability problems, which is not conducive to the development of new energy vehicle industry. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at overcoming the insufficient prior art, and provides a ring charging power distribution system, which meets the flexible distribution requirements of charging pile charging power, reduces the charging cost, and effectively improves the charging efficiency and reliability of the charging pile.
[0004] The utility model provides a ring charging power distribution system, the system includes power control module, charging power module, power distribution module, charging pile, power control module connects charging power module, power distribution module and charging pile, the input end of charging power module is connected with power grid, the output end of charging power module is connected with the input end of power distribution module, the output end of power distribution module is connected with charging pile;
[0005] The power distribution module includes a ring power distribution unit, the ring power distribution unit includes N first switch relay groups, the N first switch relay groups are sorted according to 1-N, and the N first switch relay groups are connected in a ring structure at the head and tail;
[0006] The ring power distribution unit further includes N power distribution connection ends, the N power distribution connection ends are sorted according to 1-N, and the N switch relay groups and N power distribution connection ends are staggered in turn;
[0007] The charging power module includes N charging power units, the N charging power units are sorted according to 1-N, and the N charging power units are connected with the N power distribution connection ends one by one;
[0008] The charging pile includes N charging guns, the N charging guns are sorted according to 1-N, and the N charging guns are connected with the N power distribution connection ends one by one.
[0009] N is a positive integer greater than 1.
[0010] Further, the charging power unit of the same order is connected with the power distribution connection end of the same order.
[0011] Further, the charging gun of the same order is connected with the power distribution connection end of the same order.
[0012] Further, any one of the first switch relay group includes a first positive switch relay and a first negative switch relay, the first positive switch relays of the N first switch relay groups are connected end to end to form a positive ring structure, and the first negative switch relays of the N first switch relay groups are connected end to end to form a negative ring structure.
[0013] Further, any one of the power distribution connection ends includes a positive power distribution connection end and a negative power distribution connection end, the positive power distribution connection ends of the N power distribution connection ends are distributed in turn and staggered with the first positive switch relays of the N first switch relay groups, and the negative power distribution connection ends of the N power distribution connection ends are distributed in turn and staggered with the first negative switch relays of the N first switch relay groups.
[0014] Further, any one of the charging power units includes a positive connection end and a negative connection end, the positive connection ends of the N charging power units are connected with the positive power distribution connection ends of the N power distribution connection ends, and the negative connection ends of the N charging power units are connected with the negative power distribution connection ends of the N power distribution connection ends.
[0015] Further, any one of the charging guns includes a positive connection end and a negative connection end, the positive connection ends of the N charging guns are connected with the positive power distribution connection ends of the N power distribution connection ends, and the negative connection ends of the N charging guns are connected with the negative power distribution connection ends of the N power distribution connection ends.
[0016] Further, any one of the charging guns is provided with a second switch relay.
[0017] Further, any one of the charging power units is provided with a circuit breaker, a direct-current alternating-current conversion module and an alternating-current direct-current conversion module.
[0018] Further, the charging power module and the power grid are provided with a heat dissipation module, a lightning protection device, an air switch and a direct-current contactor.
[0019] The utility model provides a kind of annular charging power distribution system, based on annular charging power distribution structure, power distribution module is set by the ring structure of multiple first switch relay group, and with the first switch relay group staggered distribution of power distribution connection end composition annular power distribution unit, set power distribution connection end respectively with charging power unit, charging gun one-to-one corresponding connection, can be according to the charging power distribution demand of single charging gun by control corresponding connection first switch relay group to realize reasonable charging power distribution, under the same number of charging gun, the switch relay group that need to be set is less, provided with heat dissipation module, lightning arrester, air switch, DC contactor, improve charging safety and stability, meet the charging power flexible distribution demand of charging pile, reduce charging cost, effectively improve the charging efficiency and reliability of charging pile. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0021] Figure 1 It is the annular charging power distribution system module architecture diagram in the embodiment of the utility model;
[0022] Figure 2 It is the circuit principle diagram of the annular charging power distribution system in the embodiment of the utility model. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0024] In the utility model, it should be understood that terms such as "include" or "have" are intended to indicate the existence of features, numbers, steps, acts, components, parts or combinations thereof disclosed in the specification, and do not want to exclude the possibility of existence or addition of one or more other features, numbers, steps, acts, components, parts or combinations thereof.
[0025] It should be further noted that the embodiments in the utility model and the features in the embodiments can be combined with each other in the case of no conflict.
[0026] The utility model discloses an annular charging power distribution system, the system includes power control module, charging power module, power distribution module, charging stake, power control module connects charging power module, power distribution module and charging stake, the input of charging power module is connected with power grid, the output of charging power module is connected with the input of power distribution module, and the output of power distribution module is connected with charging stake.
[0027] In one optional implementation manner of the embodiment, as shown in Figure 1 Figure 1 The utility model discloses an annular charging power distribution system module architecture diagram, the power control module connects the charging power module, power distribution module and charging stake, the input of charging power module is connected with power grid, the output of charging power module is connected with the input of power distribution module, and the output of power distribution module is connected with charging stake.
[0028] In one optional implementation manner of the embodiment, the power distribution module includes annular power distribution unit, the annular power distribution unit includes N first switch relay groups, and N is the positive integer greater than 1, and the sequencing of the N first switch relay groups is according to 1-N sequencing, and the N first switch relay groups are connected in a ring structure.
[0029] Specifically, as shown in Figure 2 Figure 2 The utility model discloses an annular charging power distribution system circuit principle drawing, in the embodiment, the annular power distribution unit includes 12 first switch relay groups, and the sequencing is from left to right, according to 1-12 sequencing, and the first switch relay group of leftmost is represented with K1, and the first switch relay group of the second left is represented with K2,..., and the first switch relay group of rightmost is represented with K12.
[0030] More, the tail end of first switch relay group K1 is connected with the head of first switch relay group K2, the tail end of first switch relay group K2 is connected with the head of first switch relay group K3,..., the tail end of first switch relay group K11 is connected with the head of first switch relay group K12, the tail end of first switch relay group K12 is connected with the head of first switch relay group K1, and first switch relay group K1, K2, K3,..., K11, K12 form annular structure.
[0031] In an optional implementation of the embodiment, the ring-shaped power distribution unit further comprises N power distribution connection terminals, N being a positive integer greater than 1, and the N power distribution connection terminals are sequentially arranged according to 1-N.
[0032] Specifically, as shown in the figure, Figure 2 In the embodiment, the ring-shaped power distribution unit comprises 12 power distribution connection terminals, which are sequentially arranged from left to right according to 1-12. The leftmost power distribution connection terminal is denoted as O1, the second left power distribution connection terminal is denoted as O2, and the rightmost power distribution connection terminal is denoted as O12.
[0033] More specifically, as shown in the figure, Figure 2 The 12 first switch relay groups and the 12 power distribution connection terminals are sequentially and alternately arranged, i.e., the power distribution connection terminal O1 is arranged between the first switch relay group K1 and the first switch relay group K2, the power distribution connection terminal O2 is arranged between the first switch relay group K2 and the first switch relay group K2, and the power distribution connection terminal O12 is arranged between the first switch relay group K12 and the first switch relay group K1.
[0034] In an optional implementation of the embodiment, the charging power module comprises N charging power units, N being a positive integer greater than 1, and the N charging power units are sequentially arranged according to 1-N.
[0035] Specifically, as shown in the figure, Figure 2 In the embodiment, the charging power module comprises 12 charging power units, which are sequentially arranged from left to right according to 1-12. The leftmost charging power unit is denoted as R1, the second left charging power unit is denoted as R2, and the rightmost charging power unit is denoted as R12.
[0036] In an optional implementation of the embodiment, the charging power units of the same order are connected to the power distribution connection terminals of the same order.
[0037] Specifically, as shown in the figure, Figure 2 The charging power unit R1 is connected to the power distribution connection terminal O1, the charging power unit R2 is connected to the power distribution connection terminal O2, and the charging power unit R12 is connected to the power distribution connection terminal O12.
[0038] In an optional implementation of the embodiment, the charging pile includes N charging guns, where N is a positive integer greater than 1, and the N charging guns are sequentially arranged according to 1-N, and the N charging guns are connected to the N power distribution connection terminals one by one.
[0039] Specifically, as shown in the figure, Figure 2 In the embodiment, the charging pile includes 12 charging guns, which are sequentially arranged from left to right according to 1-12, the leftmost charging gun is represented by A1, the second left charging gun is represented by A2, and the rightmost charging gun is represented by A12.
[0040] In an optional implementation of the embodiment, the charging guns of the same sequence are connected to the power distribution connection terminals of the same sequence.
[0041] Specifically, as shown in the figure, Figure 2 The charging gun A1 is connected to the power distribution connection terminal O1, the charging gun A2 is connected to the power distribution connection terminal O2, and the charging gun A12 is connected to the power distribution connection terminal O12.
[0042] In an optional implementation of the embodiment, any first switch relay group includes a first positive switch relay and a first negative switch relay, the first positive switch relays of the N first switch relay groups are connected in a positive ring structure, and the first negative switch relays of the N first switch relay groups are connected in a negative ring structure.
[0043] Specifically, in the embodiment, the first switch relay group K1 includes the first positive switch relay K1+ and the first negative switch relay K1-, the first switch relay group K2 includes the first positive switch relay K2+ and the first negative switch relay K2-, the first switch relay group K12 includes the first positive switch relay K12+ and the first negative switch relay K12-, and the first positive switch relays K1+, K2+, …, K12+ are connected in a positive ring structure, and the first negative switch relays K1-, K2-, …, K12- are connected in a negative ring structure.
[0044] In an optional implementation of the embodiment, any power distribution connection terminal includes a positive power distribution connection terminal and a negative power distribution connection terminal, the positive power distribution connection terminals of the N power distribution connection terminals are distributed alternately with the first positive switch relays of the N first switch relay groups, and the negative power distribution connection terminals of the N power distribution connection terminals are distributed alternately with the first negative switch relays of the N first switch relay groups.
[0045] Specifically, in the embodiment, the power distribution connection end O1 includes a positive power distribution connection end O1+ and a negative power distribution connection end O1-, the power distribution connection end O2 includes a positive power distribution connection end O2+ and a negative power distribution connection end O2-, …, the power distribution connection end O12 includes a positive power distribution connection end O12+ and a negative power distribution connection end O12-, the positive first switch relay K1+, the first positive switch relay K2+, …, the first positive switch relay K12+ are staggered and distributed in sequence with the positive power distribution connection end O1+, the positive power distribution connection end O2+, …, the positive power distribution connection end O12+, and the negative first switch relay K1-, the first negative switch relay K2-, …, the first negative switch relay K12- are staggered and distributed in sequence with the negative power distribution connection end O1-, the negative power distribution connection end O2-, …, the negative power distribution connection end O12-.
[0046] In an optional implementation of the embodiment, any one of the charging power units includes a positive connection end and a negative connection end, the positive connection ends of the N charging power units are connected to the positive power distribution connection ends of the N power distribution connection ends in correspondence, and the negative connection ends of the N charging power units are connected to the negative power distribution connection ends of the N power distribution connection ends in correspondence.
[0047] Specifically, in the embodiment, the charging power unit R1 includes a positive connection end R1+ and a negative connection end R1-, the charging power unit R2 includes a positive connection end R2+ and a negative connection end R2-, …, the charging power unit R12 includes a positive connection end R12+ and a negative connection end R12-, the positive connection end R1+ is connected to the positive power distribution connection end O1+, the positive connection end R2+ is connected to the positive power distribution connection end O2+, …, the positive connection end R12+ is connected to the positive power distribution connection end O12+, the negative connection end R1- is connected to the negative power distribution connection end O1-, the negative connection end R2- is connected to the negative power distribution connection end O2-, …, the negative connection end R12- is connected to the negative power distribution connection end O12-.
[0048] In an optional implementation of the embodiment, any one of the charging guns includes a positive connection end and a negative connection end, the positive connection ends of the N charging guns are connected to the positive power distribution connection ends of the N power distribution connection ends in correspondence, and the negative connection ends of the N charging guns are connected to the negative power distribution connection ends of the N power distribution connection ends in correspondence.
[0049] Specifically, in the embodiment, the charging gun A1 includes a positive connection end A1+ and a negative connection end A1-, the charging gun A2 includes a positive connection end A2+ and a negative connection end A2-,..., the charging gun A12 includes a positive connection end A12+ and a negative connection end A12-, the positive connection end A1+ is connected with the positive power distribution connection end O1+, the positive connection end A2+ is connected with the positive power distribution connection end O2+,..., the positive connection end A12+ is connected with the positive power distribution connection end O12+, the negative connection end A1- is connected with the negative power distribution connection end O1-, the negative connection end A2- is connected with the negative power distribution connection end O2-,..., the negative connection end A12- is connected with the negative power distribution connection end O12-.
[0050] In an optional implementation of the embodiment, a second switch relay is arranged in any one of the charging guns.
[0051] Specifically, as shown in Figure 2 A second switch relay Q1 is arranged in the charging gun A1, a second switch relay Q2 is arranged in the charging gun A2,..., and a second switch relay Q12 is arranged in the charging gun A12, and the second switch relay is used to cut off the charging process of the charging gun.
[0052] In an optional implementation of the embodiment, a circuit breaker, a direct-current-to-alternating-current conversion module and an alternating-current-to-direct-current conversion module are arranged in any one of the charging power units.
[0053] Specifically, the circuit breaker is used to control the on-off of the charging power unit and the grid power input, the direct-current-to-alternating-current conversion module is used to convert the direct current of the grid power input into alternating current, and the alternating-current-to-direct-current conversion module is used to convert the alternating current of the grid power input into direct current.
[0054] In an optional implementation of the embodiment, a heat dissipation module, a lightning protection device, an air switch and a direct-current contactor are arranged between the charging power module and the grid.
[0055] Working principle: The power distribution module adopts a ring structure, which is composed of a plurality of first switch relay groups forming a ring structure and a group of power distribution connection ends staggered with the first switch relay groups. The power control module controls the charging power input of the corresponding charging power unit by controlling the on-off of the first switch relay group, can control the input of the total charging power, and further control the charging power of the corresponding charging gun.
[0056] For example, when the charging gun A5 needs to perform a charging operation, first, the charging power unit R5 is assigned to input charging power, and then it is detected whether the charging power unit R4 on the side is idle, if the detection is idle, the first switch relay group K5 is controlled to be closed, the charging power unit R4 inputs charging power, if the detection is not idle, it is detected whether the charging power unit R6 on the side is idle, if the detection is idle, the first switch relay group K6 is controlled to be closed, the charging power unit R6 inputs charging power, and the like, when an idle charging power exists in a certain charging power unit, the remaining charging guns can be reasonably assigned, and the charging pile charging power flexible distribution is realized.
[0057] In summary, the utility model discloses an annular charging power distribution system, based on the annular charging power distribution structure, the power distribution module is formed annular structure by a plurality of first switch relay group, and the annular power distribution unit is formed with the power distribution connection end staggered distribution of first switch relay group, and the power distribution connection end is connected with charging power unit, charging gun one to one respectively, can realize reasonable charging power distribution through the control corresponding connection first switch relay group according to the charging power distribution demand of single charging gun, under the same charging gun quantity, the switch relay group that needs to set is less, is provided with heat dissipation module, lightning protection device, air switch, direct current contactor, improves charging safety and stability, satisfies charging pile charging power flexible distribution demand, reduces charging cost, effectively improves the charging efficiency and reliability of charging pile.
[0058] The utility model discloses an annular charging power distribution system, based on the annular charging power distribution structure, the power distribution module is formed annular structure by a plurality of first switch relay group, and the annular power distribution unit is formed with the power distribution connection end staggered distribution of first switch relay group, and the power distribution connection end is connected with charging power unit, charging gun one to one respectively, can realize reasonable charging power distribution through the control corresponding connection first switch relay group according to the charging power distribution demand of single charging gun, under the same charging gun quantity, the switch relay group that needs to set is less, is provided with heat dissipation module, lightning protection device, air switch, direct current contactor, improves charging safety and stability, satisfies charging pile charging power flexible distribution demand, reduces charging cost, effectively improves the charging efficiency and reliability of charging pile.
[0058] The utility model discloses an annular charging power distribution system, based on the annular charging power distribution structure, the power distribution module is formed annular structure by a plurality of first switch relay group, and the annular power distribution unit is formed with the power distribution connection end staggered distribution of first switch relay group, and the power distribution connection end is connected with charging power unit, charging gun one to one respectively, can realize reasonable charging power distribution through the control corresponding connection first switch relay group according to the charging power distribution demand of single charging gun, under the same charging gun quantity, the switch relay group that needs to set is less, is provided with heat dissipation module, lightning protection device, air switch, direct current contactor, improves charging safety and stability, satisfies charging pile charging power flexible distribution demand, reduces charging cost, effectively improves the charging efficiency and reliability of charging pile.
Claims
1. A ring-shaped charging power distribution system, characterized in that, The system includes a power control module, a charging power module, a power distribution module, and a charging pile. The power control module is connected to the charging power module, the power distribution module, and the charging pile. The input terminal of the charging power module is connected to the power grid, the output terminal of the charging power module is connected to the input terminal of the power distribution module, and the output terminal of the power distribution module is connected to the charging pile. The power distribution module includes a ring power distribution unit, which includes N first switch relay groups. The N first switch relay groups are sorted according to 1-N, and the N first switch relay groups are connected end to end to form a ring structure. The ring power distribution unit also includes N power distribution connection terminals, which are ordered according to the order of 1-N. The N first switch relay groups and the N power distribution connection terminals are distributed alternately in sequence. The charging power module includes N charging power units, which are ordered according to the order of 1-N, and the N charging power units are connected to the N power distribution connection terminals one by one. The charging pile includes N charging guns, which are ordered according to the order of 1-N, and each of the N charging guns is connected to one of the N power distribution connection terminals. N is a positive integer greater than 1.
2. The ring-shaped charging power distribution system as described in claim 1, characterized in that, Charging power units with the same order are connected to power distribution connection terminals with the same order.
3. The ring-shaped charging power distribution system as described in claim 1, characterized in that, Charging guns with the same order are connected to power distribution terminals with the same order.
4. The ring-shaped charging power distribution system as described in claim 1, characterized in that, Any first switch relay group includes a first positive switch relay and a first negative switch relay. The first positive switch relays of the N first switch relay groups are connected end to end to form a positive ring structure, and the first negative switch relays of the N first switch relay groups are connected end to end to form a negative ring structure.
5. The ring-shaped charging power distribution system as described in claim 4, characterized in that, Each power distribution connection terminal includes a positive power distribution connection terminal and a negative power distribution connection terminal. The positive power distribution connection terminals of the N power distribution connection terminals are sequentially and alternately distributed with the first positive switch relays of the N first switch relay groups. The negative power distribution connection terminals of the N power distribution connection terminals are sequentially and alternately distributed with the first negative switch relays of the N first switch relay groups.
6. The ring-shaped charging power distribution system as described in claim 5, characterized in that, Each charging power unit includes a positive terminal and a negative terminal. The positive terminals of the N charging power units are connected to the positive power distribution terminals of the N power distribution terminals, and the negative terminals of the N charging power units are connected to the negative power distribution terminals of the N power distribution terminals.
7. The ring-shaped charging power distribution system as described in claim 5, characterized in that, Each charging gun includes a positive connection terminal and a negative connection terminal. The positive connection terminals of the N charging guns are connected to the positive power distribution connection terminals of the N power distribution connection terminals, and the negative connection terminals of the N charging guns are connected to the negative power distribution connection terminals of the N power distribution connection terminals.
8. The ring-shaped charging power distribution system as described in claim 1, characterized in that, Each charging gun is equipped with a second switching relay.
9. The ring-shaped charging power distribution system as described in claim 1, characterized in that, Each charging power unit is equipped with a circuit breaker, a DC-AC conversion module, and an AC-DC conversion module.
10. The ring-shaped charging power distribution system as described in claim 1, characterized in that, The charging power module is equipped with a heat dissipation module, surge protector, air switch and DC contactor between itself and the power grid.