CN219351282U - Modularized power distribution device - Google Patents
Modularized power distribution device Download PDFInfo
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- CN219351282U CN219351282U CN202222711501.3U CN202222711501U CN219351282U CN 219351282 U CN219351282 U CN 219351282U CN 202222711501 U CN202222711501 U CN 202222711501U CN 219351282 U CN219351282 U CN 219351282U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model provides a modular power distribution apparatus comprising: the power distribution unit module comprises any one or more of a first power distribution unit, a second power distribution unit and a third power distribution unit and a bus; the power unit module is connected with any one or more power distribution units in the power distribution unit module, and a relay in the power distribution unit is connected with the bus. The utility model can effectively improve the flexibility of power distribution, reduce the idle rate of the power distribution unit of the charging equipment, improve the single-path direct current output power of the charging equipment, and improve the compatibility and maintenance performance of products.
Description
Technical Field
The present utility model relates to a power distribution device, and more particularly, to a modular power distribution device.
Background
With the rapid growth of the electric automobile market, the electric automobile charging technology is also continuously updated. However, the current application scenario of charging power distribution has limitations. At present, the charging mode of charging equipment is single in the market, and the power distribution mode is simple, and then has the problem that power unit can't rationally distribute output according to actual demand, leads to the charging equipment at present can't satisfy electric automobile's quick charge demand, also can't fully coordinate the power distribution of power unit when many electric automobiles charge simultaneously, can't realize the power distribution of high-efficient calling.
Disclosure of Invention
The utility model aims to provide a modularized power distribution device capable of improving the flexibility of power distribution, aiming at reducing the idle rate of a power distribution unit of charging equipment, improving the single-path direct-current output power of the charging equipment, improving the compatibility and maintenance performance of the charging equipment and providing a better foundation for upgrading and updating subsequent products.
In this regard, the present utility model provides a modular power distribution apparatus comprising: the power distribution unit module comprises any one or more of a first power distribution unit, a second power distribution unit and a third power distribution unit and a bus; the power unit module is connected with any one or more power distribution units in the power distribution unit module, and a relay in the power distribution unit is connected with the bus.
The power unit module comprises a first power unit, a second power unit, a third power unit and a fourth power unit, wherein the first power distribution unit comprises a first relay, a second relay, a third relay, a fourth relay, a fifth relay and a sixth relay, an output loop of the first power unit is respectively connected with a first end of the first relay, a first end of the third relay and a first end of the fourth relay, an output loop of the second power unit is respectively connected with a second end of the first relay, a first end of the second relay and a first end of the sixth relay, an output loop of the third power unit is respectively connected with a second end of the second relay, a second end of the third relay and a first end of the fifth relay, and an output loop of the fourth power unit is respectively connected with a second end of the fourth relay, a second end of the fifth relay and a second end of the sixth relay.
The power unit module comprises a first power unit, a second power unit and a third power unit, wherein the second power distribution unit comprises a seventh relay, an eighth relay and a ninth relay, an output loop of the first power unit is respectively connected with a first end of the seventh relay and a first end of the ninth relay, an output loop of the second power unit is respectively connected with a second end of the seventh relay and a first end of the eighth relay, and an output loop of the third power unit is respectively connected with a second end of the eighth relay and a second end of the ninth relay.
A further development of the utility model provides that the third power distribution unit comprises a plurality of relays connected in parallel with one another, wherein the third power distribution unit realizes a single-pass input and a multi-pass output by the relays connected in parallel with one another.
The utility model further improves that the power distribution units in the power distribution unit module are all provided with the CAN communication module, and different power distribution units are connected through the CAN communication module.
The utility model further improves that the power distribution unit is provided with an LED display module.
A further development of the utility model is that the power supply end of the power distribution unit is connected to the operating power supply of the charging device.
The utility model further improves that the relay in the power distribution unit module adopts a magnetic latching relay.
The utility model further improves that the power distribution system comprises a main power board and an auxiliary power board which are connected, wherein the main power board and the auxiliary power board respectively comprise the power unit module and the power distribution unit module, and relays among different power distribution units are connected through buses.
The utility model further improves that the bus bar comprises a bus bar structure with one inlet and two outlets, one inlet and three outlets or one inlet and four outlets.
Compared with the prior art, the utility model has the beneficial effects that: the relay module is used for realizing connection and control between different power distribution units in the power distribution unit module, so that the flexibility of power distribution is effectively improved, the idle rate of the power distribution unit of the charging equipment can be effectively reduced, the single-path direct current output power of the charging equipment is improved, the compatibility and maintenance performance of products are improved, and a better foundation is provided for upgrading and updating of subsequent products. On the basis, different power distribution units can be combined according to the power size of the charging equipment or the number of output loops so as to be compatible and meet the power distribution requirements of various types of charging equipment.
Drawings
FIG. 1 is a schematic diagram of the circuit topology principle of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the circuit topology of another embodiment of the present utility model;
FIG. 3 is a schematic diagram of a combined application example of an embodiment of the present utility model.
Detailed Description
Preferred embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The "first", "second", "third", "fourth", "fifth", "sixth" and the like described in this application are only used to implement distinction of feature names of the same/similar technical features, and are not used to implement distinction of primary and secondary levels or order of the technical features.
As shown in fig. 1 to 3, the present embodiment provides a modular power distribution apparatus, including: a power unit module 1 and a power distribution unit module including any one or more of a first power distribution unit 21, a second power distribution unit 22, and a third power distribution unit 23, and including a bus bar; that is, the power distribution unit module of this embodiment includes three different power distribution units as shown in fig. 1 to 3: the first power distribution unit 21, the second power distribution unit 22, and the third power distribution unit 23 may be used alone or in combination of two or more. In this embodiment, the power unit module 1 is connected to any one or more power distribution units in the power distribution unit module, and a relay in the power distribution unit is connected to the bus, so as to implement a one-in-multiple-out function of the power unit module.
More specifically, as shown in fig. 1, the power unit module 1 in this embodiment includes a first power unit 101, a second power unit 102, a third power unit 103, and a fourth power unit 104, where the first power distribution unit 21 includes a seventh relay 207, an eighth relay 208, a ninth relay 209, a fourth relay 204, a fifth relay 205, and a sixth relay 206, an output loop of the first power unit 101 is respectively connected to a first end of the seventh relay 207, a first end of the ninth relay 209, and a first end of the fourth relay 204, an output loop of the second power unit 102 is respectively connected to a second end of the seventh relay 207, a first end of the eighth relay 208, and a first end of the sixth relay 206, an output loop of the third power unit 103 is respectively connected to a second end of the eighth relay 208, a second end of the ninth relay 209, and a first end of the fifth relay 205, and an output loop of the fourth power unit 104 is respectively connected to a second end of the fourth relay 206, and a first end of the fourth relay 205.
As shown in fig. 1, in the embodiment, the power unit module 1 adopts a cross rectangular power distribution mode, and switching control is implemented between power units through 6 sets of relays, where switching refers to closing and opening of a connection relationship in the relays so as to call the other three remaining power units. The embodiment realizes the output power combination distribution function among 4 groups of power distribution units, thereby increasing the single-path output power.
In this embodiment, the power distribution units in the power distribution unit module are all provided with a CAN communication module, and different power distribution units are connected through the CAN communication module, so that multiple groups of power distribution units with the same model or different models CAN be used simultaneously, and the diversity of power distribution modes is increased. The power distribution unit is provided with the LED display module, so that various states of the power distribution unit in the working period can be checked locally.
In this embodiment, the power supply terminal of the power distribution unit is connected to the working power supply of the charging device, and the optional working power supply includes, but is not limited to, a 12V power supply, so that internal voltage conversion of the power distribution unit can be effectively reduced, so as to achieve a state of synchronous working with the charging device.
Optionally, a magnetic latching relay is used as the relay in the power distribution unit module in this embodiment. The power unit of the power unit module 1 in this embodiment is preferably a hvdc charging module group or a fixedly distributed power unit. DC1 to DC4 in FIG. 1 represent output loops.
The embodiment comprises a main power board and an auxiliary power board which are connected, wherein the main power board and the auxiliary power board respectively comprise the power unit module 1 and the power distribution unit module, and relays among different power distribution units are connected through buses. More specifically, the main power board preferably includes functions of communication, power switching, status display, and the like, and includes a 12Pcs relay, that is, two groups of the first power distribution units 21, and the relays are connected through a bus so as to implement a one-in four-out function. The auxiliary power board is communicated with the main power board and has a power switching function, and comprises a 12Pcs relay, namely two groups of first power distribution units 21, and the relays are connected through a bus to realize a one-in-four-out function for capacity-increasing and matching of the first power distribution units 21.
As shown in fig. 2, the power unit module 1 of the present embodiment includes a first power unit 101, a second power unit 102, and a third power unit 103, the second power distribution unit 22 includes a seventh relay 207, an eighth relay 208, and a ninth relay 209, an output loop of the first power unit 101 is connected to a first end of the seventh relay 207 and a first end of the ninth relay 209, respectively, an output loop of the second power unit 102 is connected to a second end of the seventh relay 207 and a first end of the eighth relay 208, respectively, and an output loop of the third power unit 103 is connected to a second end of the eighth relay 208 and a second end of the ninth relay 209, respectively. Unlike fig. 1, in the embodiment, the power distribution unit module shown in fig. 2 adopts a triangle power distribution mode, in which the power units implement switching control through 3 sets of relays of the second power distribution unit 22, so as to invoke two paths of power when needed, and implement the function of power combination distribution of the output power of the 3 sets of power units. In this embodiment, the power distribution unit is provided with a CAN communication module, and different power units in the power distribution unit module are connected through the CAN communication module, so as to provide a basis for increasing diversity of power distribution modes.
Likewise, the power board of the power distribution unit in this embodiment preferably also includes functions of communication, power switching, status display, and the like, and includes 12Pcs relays, that is, four groups of the second power distribution units 22, where the relays are connected by a bus to implement a one-in-three-out function.
As shown in fig. 3, the third power distribution unit 23 of the present embodiment includes a plurality of relays connected in parallel, the third power distribution unit 23 realizes a single input and multiple outputs through the relays connected in parallel, and the third power distribution unit 23 may be used in combination with the first power distribution unit 21 and/or the second power distribution unit 22. In this embodiment, 1 group or multiple groups of relays are switched between the power distribution units shown in fig. 3, so that the function of power distribution of 1 group of power units for outputting multiple paths is realized, and the modular power distribution units in 1-path input, 2-path, 3-path, 4-path, 6-path or 12-path output modes can be formed by splicing copper bars of different types. As shown in fig. 3, a 1-way input and a 4-way output are provided.
When this third power distribution unit 23 shown in fig. 3 is applied to the circuit layout, the present embodiment also preferably includes a main power board and a sub power board connected to each other, where the main power board preferably includes functions of communication, power switching, status display, and the like, and optionally includes a 12Pcs relay, and the relays are connected by a bus to implement a function of one input, two outputs, or one input, multiple outputs. The auxiliary power board is in communication with the main power board and has a power switching function, and optionally comprises 12Pcs relays, wherein the relays are connected through a bus to realize the functions of one inlet and two outlets or one inlet and multiple outlets, and the functions are used for capacity-increasing and matching of the third power distribution unit 23.
That is, the second power distribution unit 22 shown in fig. 2 and the third power distribution unit 23 shown in fig. 3 may be used in combination in a single charging device, and when the number of the second power distribution units 22 shown in fig. 2 is 4 groups and the number of the third power distribution units 23 shown in fig. 3 is 8 groups, the second power distribution units may be split into 3 groups by splicing copper bars into a 1-in 4-out mode, and may be distributed into 12 paths of output when applied to 480kW, and the minimum power of 40kW and the maximum output power of 180kW are output by a single path, so that other 11 paths of independent use functions are not affected on the premise of satisfying the power distribution. 1-24 power units are switched into 12 groups of output loops through a third power distribution unit 23 shown in fig. 3, and then power switching among the output loops is completed through switching of a second power distribution unit 22 shown in fig. 2. When the 1# gun occupies one power unit on the left side, 2-24 power units on the right side can be switched and called through the third power distribution unit 23, and when the 1# gun and the 2# gun occupy the power units on the left side and the power units in the middle, 3-24 power units on the right side can be switched and called through the third power distribution unit 23; the 1# gun to the 12# gun represent output loops, and M1 to M24 represent power units with single-path fixed output power. At the time of design, the number of the third power distribution units 23 is preferably determined by the number of the power units, and the number of the second power distribution units 22 is determined by the number of the output charging guns. Similarly, under other conditions, the remaining power units may also be mutually called in an idle state to meet the output requirements.
The power distribution principle can combine different power distribution units according to the power size or the number of output loops of a single charging device so as to meet the power distribution requirements of various types of charging devices.
Therefore, the embodiment can realize the connection and control between different power distribution units in the power distribution unit module through the relay module, so that the flexibility of power distribution is effectively improved, the idle rate of the power distribution unit of the charging equipment can be effectively reduced, the single-path direct current output power of the charging equipment is improved, the compatibility and maintenance performance of products are improved, and a better foundation is provided for upgrading and updating of subsequent products. On the basis, different power distribution units can be combined according to the power size of the charging equipment or the number of output loops so as to be compatible and meet the power distribution requirements of various types of charging equipment.
The above embodiments are preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, which is defined by the appended claims, but rather by the following claims.
Claims (10)
1. A modular power distribution apparatus, comprising: the power distribution unit module comprises any one or more of a first power distribution unit, a second power distribution unit and a third power distribution unit and a bus; the power unit module is connected with any one or more power distribution units in the power distribution unit module, and a relay in the power distribution unit is connected with the bus.
2. The modular power distribution apparatus of claim 1, wherein the power cell module comprises a first power cell, a second power cell, a third power cell, and a fourth power cell, the first power distribution cell comprises a first relay, a second relay, a third relay, a fourth relay, a fifth relay, and a sixth relay, the output loop of the first power cell is connected to the first end of the first relay, the first end of the third relay, and the first end of the fourth relay, respectively, the output loop of the second power cell is connected to the second end of the first relay, the first end of the second relay, and the first end of the sixth relay, respectively, the output loop of the third power cell is connected to the second end of the second relay, the second end of the third relay, and the first end of the fifth relay, respectively, and the output loop of the fourth power cell is connected to the second end of the fourth relay, the second end of the fifth relay, and the second end of the sixth relay, respectively.
3. The modular power distribution apparatus of claim 1, wherein the power cell module comprises a first power cell, a second power cell, and a third power cell, the second power distribution cell comprises a seventh relay, an eighth relay, and a ninth relay, an output loop of the first power cell is connected to a first end of the seventh relay and a first end of the ninth relay, respectively, an output loop of the second power cell is connected to a second end of the seventh relay and a first end of the eighth relay, respectively, and an output loop of the third power cell is connected to a second end of the eighth relay and a second end of the ninth relay, respectively.
4. The modular power distribution apparatus of claim 1, wherein the third power distribution unit includes a plurality of relays connected in parallel with each other, the third power distribution unit implementing a single input and multiple outputs through the relays connected in parallel with each other.
5. The modular power distribution apparatus as claimed in any one of claims 1 to 4, wherein the power distribution units in the power distribution unit module are each provided with a CAN communication module, and different power distribution units are connected by the CAN communication module.
6. Modular power distribution apparatus as claimed in any of claims 1 to 4, wherein the power distribution unit is provided with LED display modules.
7. A modular power distribution apparatus as claimed in any one of claims 1 to 4, wherein the power supply terminals of the power distribution unit are connected to an operating power supply of the charging device.
8. The modular power distribution apparatus as claimed in any one of claims 1 to 4, wherein the relays in the power distribution unit modules are magnetic latching relays.
9. The modular power distribution apparatus as claimed in any one of claims 1 to 4, comprising a primary power board and a secondary power board connected, the primary and secondary power boards each comprising a power cell module and a power distribution cell module, respectively, the relays between the different power distribution cells being connected by a bus bar.
10. The modular power distribution apparatus of claim 9, wherein the bus bar comprises a one-in two-out, one-in three-out, or one-in four-out bus structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222711501.3U CN219351282U (en) | 2022-10-14 | 2022-10-14 | Modularized power distribution device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222711501.3U CN219351282U (en) | 2022-10-14 | 2022-10-14 | Modularized power distribution device |
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| CN219351282U true CN219351282U (en) | 2023-07-14 |
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| CN202222711501.3U Active CN219351282U (en) | 2022-10-14 | 2022-10-14 | Modularized power distribution device |
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