Power distribution unit, system and electric vehicle that can be mounted in multiple orientations

Abstract

The present invention relates to a power distribution unit, a system, and an electric vehicle that can be installed in multiple orientations. The power distribution unit includes a housing and at least one electric control device, the housing includes a plurality of connection end faces each having at least one electric device port, the housing further includes a connector and a power port, the electric control device is installed inside the housing, and each of the electric control devices is connected to one of the electric device ports, the electric control device is connected to an external power source via the power port, and is communicatively connected to an external controller by the connector, and supplies power to an electric device connected to the electric device port based on a control command from the external controller. By providing a power distribution unit that can be installed in multiple orientations, the present invention enhances the platform characteristics of the power distribution unit, improves the adaptability of the power distribution unit to different platforms, and saves design and manufacturing costs.

Description

[Technical field]

[0001] This application claims priority to a Chinese patent application having an invention title "Power distribution unit, system and electric vehicle capable of being installed in multiple orientations" filed on December 28, 2021, application number 202111623968.6, the entire contents of which are incorporated herein by reference.

[0002] The present invention relates to the technical field of electric vehicles, and more particularly to a power distribution unit, system, and electric vehicle that can be mounted in multiple orientations. [Background technology]

[0003] A power distribution unit (PDU) is an essential component in an electric vehicle, and can provide suitable power distribution solutions for different high-voltage electrical equipment. However, since a metal housing is used, the manufacturing cost is high. In order to meet the overall layout requirements, the related high-voltage components (i.e., high-voltage electrical equipment) are arranged at different positions on each platform. Usually, when the capacity of the PDU meets the requirements, the orientation of the high-voltage connector on the PDU is different according to the different layouts of the high-voltage electrical equipment. Therefore, the PDU cannot be well shared between different platforms and layout models, and therefore cannot be platformized. In addition, it is necessary to redevelop different PDUs according to different environments, which increases the development cost. Summary of the Invention

[0004] In response to the above-mentioned problems existing in the prior art, the present document aims to provide a power distribution unit, system, and electric vehicle that can be installed in multiple orientations, thereby improving the adaptability of the power distribution unit and reducing development costs.

[0005] In order to solve the above technical problems, this document specifically uses the following technical solutions:

[0006] In one aspect, the subject matter provides a power distribution unit that can be mounted in multiple orientations, The power distribution unit includes a housing and at least one electrical control device; the housing includes a plurality of connection end faces each having at least one electrical device port; The housing further includes a connector and a power port. the electrical control devices are disposed within the housing, and each electrical control device is connected to one electrical equipment port; The electrical control device is connected to an external power source via the power port and is communicatively connected to an external controller by the connector, and supplies power to an electrical appliance connected to the electrical appliance port based on a control command from the external controller.

[0007] In another aspect, the present invention further provides a system, the system being a power distribution system, the system including a power supply end, a control end, an electric device, and a power distribution unit mountable in correspondence with the plurality of orientations; the power supply terminal is connected to the power distribution unit and is for supplying power to an electrical device connected to the power distribution unit; The control end is connected to the power distribution unit, for distributing electric energy to electric devices connected to the power distribution unit.

[0008] Finally, the present invention further provides an electric vehicle, the electric vehicle including a power distribution unit mountable in accordance with the plurality of orientations.

[0009] When the above technical solution is used, the present application provides a power distribution unit, system, and electric vehicle that can be installed in multiple orientations, the power distribution unit includes a housing and at least one electric control device, the housing includes multiple connection end faces each having at least one electric equipment port, the housing is further provided with a connector and a power port, the electric control device is provided inside the housing, each of the electric control devices is connected to one of the electric equipment ports, the electric control device is connected to an external power source via the power port, and is communicatively connected to an external controller by the connector, and supplies power to an electric equipment connected to the electric equipment port according to a control command from the external controller. The present application provides a power distribution unit that can be installed in multiple orientations, thereby enhancing the platform characteristics of the power distribution unit, improving the adaptability of the power distribution unit to different platforms, and saving design and manufacturing costs.

[0010] In order to make the above and other objects, features and advantages of the present disclosure more comprehensible, preferred embodiments are specifically described below in conjunction with the accompanying drawings. [Brief description of the drawings]

[0011] In order to more clearly describe the technical solutions of the embodiments or prior art of the present invention, the following briefly introduces the accompanying drawings necessary for describing the embodiments or prior art. It is obvious that the accompanying drawings described below are only some embodiments of the present invention, and those skilled in the art can obtain other accompanying drawings based on these accompanying drawings without creative efforts. [Figure 1] FIG. 2 is a structural schematic diagram showing a power distribution unit provided in an embodiment of the present disclosure that can be installed in multiple orientations. [Diagram 2] A schematic cross-sectional view taken along line AA in FIG. 1 is shown. [Diagram 3] A schematic cross-sectional view taken along line BB in FIG. 1 is shown. [Figure 4] FIG. 2 is a structural schematic diagram showing one connection end surface in the embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] The following clearly and completely describes the technical solutions of the embodiments of the present document with reference to the accompanying drawings in the embodiments of the present document. It is obvious that the described embodiments are only some of the embodiments of the present document, not all of the embodiments. Based on the embodiments of the present document, all other embodiments that can be obtained by those skilled in the art without making creative efforts are all within the scope of protection of the present document.

[0013] It should be noted that the terms "first", "second", etc., used in the specification, claims and the above-mentioned attached drawings are used to distinguish similar objects and are not necessarily used to describe a particular order or sequence. It should be understood that the data so used can be interchanged when appropriate. Thus, the embodiments described herein can be performed according to an order other than that shown or described herein. Also, the terms "including", "comprises" and any variations thereof are intended to cover non-exclusive "including". For example, in the case of a process, apparatus, product or device that includes a series of steps or units, the steps or units are not necessarily explicitly listed, and may include other steps or units that are not explicitly listed or that are inherent to the process, product or device.

[0014] A power distribution unit (PDU) is a power distribution device commonly used in the field of electric vehicles, which can provide suitable power distribution solutions according to different high-voltage electrical devices. In the field of electric vehicles, the power distribution unit is also called a high-voltage distribution box. Since different high-voltage electrical devices are arranged at different positions on an automobile platform, it is necessary to arrange PDUs with different orientations to meet the requirements of power distribution. As a result, it becomes difficult for a conventional PDU that can be installed in one direction to be applied to different platforms, and it is also impossible to make the PDU platform-compatible. In addition, it is necessary to redevelop different PDUs according to different environments, which increases development costs.

[0015] In order to solve the above problems, the embodiments of the present specification provide a power distribution unit that can be installed in a plurality of orientations, thereby enabling it to accommodate electrical devices in different orientations, improving the adaptability of the power distribution unit, and reducing the costs of developing and designing a power distribution unit that is compatible with different platforms.

[0016] Specifically, as shown in FIG. 1, the power distribution unit includes a housing 10 and at least one electrical control device 50; The housing 10 includes a plurality of connection end faces 101, each of which is provided with at least one electrical device port 20; The housing 10 further includes a connector 30 and a power port 40. The electrical control device 50 is provided inside the housing 10, and one electrical equipment port 20 is connected to each electrical control device 50. The electrical control device 50 is connected to an external power source via the power port 40 and is communicatively connected to an external controller by the connector 30, and supplies power to the electrical equipment connected to the electrical equipment port 20 based on the control command of the external controller.

[0017] Here, the housing 10 of the power distribution unit is provided with a plurality of connection end faces 101, which enables the electrical equipment to receive allocated electrical energy via the connection end faces 101, and also enables the electrical equipment to be adapted in multiple directions, and it may be understood that the connection end faces 101 may be a designated portion of the surface on the housing 10 or the entire outer surface of the housing 10.

[0018] The material of the housing 10 may be a metal material. In this case, the strength and hardness of the housing 10 are ensured, deformation of the housing 10 is avoided, and the safety of the equipment inside the housing 10 is improved. In some other embodiments, the material of the housing 10 may be an alloy material. For example, when an alloy material having high strength and light weight is used, the weight of the power distribution unit is reduced, and the efficiency of replacement and assembly of the equipment is improved.

[0019] The housing 10 may be designed as a single piece, which improves the manufacturing efficiency of the housing 10 and reduces the manufacturing cost.

[0020] Each connecting end surface 101 may be configured in different shapes according to practical circumstances, such as square, triangular, irregular, etc., but is not limited to these in the embodiments of the present specification.

[0021] The housing 10 is enclosed as the outer shape of the power distribution unit. The housing 10 may be a rectangular parallelepiped so as to be easily installed inside an electric vehicle. Since the connection end faces 101 can be installed on different surfaces of the rectangular parallelepiped, the electrical device ports 20 can also be installed in different directions of the rectangular parallelepiped, improving the adaptability of the power distribution unit.

[0022] In some embodiments herein, there may be four connection end faces 101, and electrical device ports 20 may be located in any of four different orientations of the power distribution unit, thereby enabling the power distribution unit to be adapted to different platforms.

[0023] The connector 30 may be a low-voltage connector for communicatively connecting to an external controller. The external controller is connected to the electric control device 50 in the power distribution unit by the connector 30, controls the operation state of the electric control device 50, and realizes a power supply output state to the electric equipment port 20 connected to the electric control device 50. For example, the low-voltage connector may be communicatively connected to a control master unit in the electric vehicle. In this way, the low-voltage connector can be communicatively connected to all the electric control devices 50, and the different electric control devices 50 are connected to the different electric equipment ports 20, so that the different electric control devices 50 can control the power usage states of the different electric equipment, and the control master unit controls the different electric control devices 50 to output different power supply states according to the actual situation.

[0024] In the embodiments herein, only one connector 30 may be provided in the housing 10. The single connector 30 can control the operating state of all the electrical control devices 50 inside the power distribution unit, allowing for accurate allocation of power sources. In some other embodiments, multiple connectors 30 may be provided, for example, one connector 30 per connection end face 101. Different connectors 30 can control different electrical control devices 50 or combinations of electrical control devices 50, allowing for individual control.

[0025] In some other embodiments, when a power distribution unit is provided with multiple connectors 30, one of the connectors 30 may be defined as a main connector and the remaining connectors as backup connectors. The main connector and the backup connector are connected to the inside of the power distribution unit in the same manner. When the main connector is operating normally, the backup connector is idle or inactive, and in this case, the main connector can realize control over the electrical control device 50 in the power distribution unit. When the main connector fails, the backup connector may be activated. For example, one of the backup connectors may be promoted to the main connector and selected to continue to control the electrical control device 50. By providing the backup connector, the operating life of the power distribution unit can be extended and the reliability of the real-time operation of the power distribution unit can be improved.

[0026] In practical operation, the power distribution unit is further provided with an electrical control device control line 501, and the port of the connector 30 is connected to the electrical control device 50 by the electrical control device control line 501, and a control signal is sent to the electrical control device 50 via the electrical control device control line 501.

[0027] In the embodiments of the present specification, the housing 10 may be provided with only one power port 40. In this case, only one external power source can be connected. The one external power source can supply power to all the electrical devices connected to the power distribution unit. In some other embodiments, the power port 40 may be provided in a plurality of ports. For example, one power port 40 may be provided for each connection end surface 101. Different power ports 40 may be connected to different external power sources. In this case, power can be supplied to different electrical device ports 20 or combinations of electrical device ports 20, and different electrical devices or combinations of electrical devices can be provided with different power sources, thereby enabling a well-balanced allocation of the internal power source of the electric vehicle.

[0028] In the embodiments herein, at most one electrical control device 50 is connected to each electrical equipment port 20, and if no electrical control device 50 is connected to an electrical equipment port 20, a power supply port 40 is connected to the electrical equipment port 20.

[0029] Here, it may be understood that within the power distribution unit, the electrical equipment port 20 may be directly connected to the power supply port 40. In this way, the external power source can directly supply power to the electrical equipment connected to the electrical equipment port 20, and in the process, the control lines of the electrical control device 50 are reduced.

[0030] The electric control device 50 may be fixed inside the housing 10 by bolts. The fixing positions of the different electric control devices 50 may be aligned with the electric equipment ports 20 connected thereto. The specific fixing positions are not limited in the embodiments of the present specification.

[0031] In the embodiment of the present specification, the electrical equipment port 20 is a high-voltage electrical equipment port, and the power supply port 40 is a high-voltage battery pack port. The high-voltage electrical equipment is a high-voltage electrical equipment inside an electric vehicle, and may be, for example, an air conditioning compressor, a PTC heater, etc. The high-voltage battery pack may be used in an electric vehicle or a train.

[0032] In the embodiment of the present specification, FIG. 2 is a schematic cross-sectional view taken along line AA in FIG. 1. As shown in FIG. 2, the power port 40 includes a power copper bar 401 and a first connection block 402; The first connection base 402 is fixed to the housing 10. The power supply copper bar 401 is for connection to an external power supply, and is connected to the electrical control device 50 or the electrical equipment port 20 via the connection copper bar 60, and the power supply copper bar 401 and the connection copper bar 60 are stacked and fixed to the first connection base 402, and are spaced a predetermined distance from the housing 10.

[0033] By installing the power supply copper bar 401 and the connection copper bar 60, high voltage transmission of electrical energy for transmitting high voltage electrical energy to high voltage electrical equipment can be realized, and the reliability and stability of the power distribution unit can be ensured.

[0034] The power supply copper bar 401 and the connection copper bar 60 are installed at a predetermined distance from the housing 10, thereby realizing an insulating environment between the copper bar (i.e., the power supply copper bar 401 and the connection copper bar 60) and the housing 10, and thus improving the safety and reliability of the power distribution unit by avoiding electrical connection at high voltage. Here, the predetermined distance may be the minimum insulating gap between each conductive part (i.e., the copper bar and the housing 10).

[0035] In the embodiment of the present specification, the first connecting base 402 includes a first bolt 421, a first nut 422 and a first insulating base 423; The first bolt 421 is fixed to the bottom of the housing 10. Optionally, the first bolt 421 is welded to the bottom of the housing 10. The first insulating stand 423 is fitted onto the first bolt 421, one end of the first insulating stand 423 is abutted against the housing 10, and the other end of the first insulating stand 423 is formed with a first supporting end surface (not shown). The first supporting end surface is for mounting the power supply copper bar 401 and the connection copper bar 60. When the first nut 422 is engaged with the first bolt 421 , the power supply copper bar 401 and the connection copper bar 60 are fixed to the first bolt 421 .

[0036] Here, the text may be understood as saying that the power port 40 is provided on the surface of the housing 10 through the first bolt 421 and the first nut 422, and at the same time, the power port 40 is connected to equipment inside the power distribution unit, thereby forming a high-voltage circuit environment.

[0037] The power supply copper bar 401 has a first mounting hole, and the connection copper bar 60 has a second mounting hole, and the first mounting hole corresponds to the second mounting hole; The size of the first and second mounting holes corresponds to the cross section of the first bolt 421, and both the first and second mounting holes are smaller in size than the first support end surface.

[0038] Here, it may be understood that the connection copper bar 60 and the power supply copper bar 401 are fixed between the first nut 422 and the first support end surface, thereby improving the stability of the fixation and making it easy to remove and assemble. The structure of the power supply copper bar 401 and the connection copper bar 60 may be designed according to the actual situation. For example, the power supply copper bar 401 may be a plate-shaped one, and the connection copper bar 60 may be a bent one.

[0039] In order to further improve the insulating effect of the power port 40, the surfaces of the power copper bar 401 and the connecting copper bar 60 may be coated with a first insulating layer, and optionally, the first insulating layer may be a PVC insulating layer.

[0040] In practice, the power port 40 includes a positive power port and a negative power port, and the positive power port and the negative power port form a closed circuit of the power supply, and correspondingly, the positive power port includes a positive power copper bar, a positive connection copper bar, and a positive first connection stand, and the negative power port may include a negative power copper bar, a negative connection copper bar, and a negative first connection stand. The specific connection relationship is the same as that described above, so the description is omitted in the embodiments of this specification.

[0041] In the embodiment of the present specification, the power distribution unit further includes a fuse box 70 fixed to the housing 10 by a second connection block 701; The power input end of the fuse box 70 was connected to the power port 40 by the connecting copper bar 60, and the power output end of the fuse box 70 was connected to the electrical control device 50 or the electrical equipment port 20.

[0042] Here, the fuse box 70 is connected in series to the circuit of the power port 40 and the electric control device 50, or the fuse box 70 may be understood as being connected in series to the circuit of the power port 40 and the electric equipment port 20. When the current information in the series-connected circuit meets a predetermined condition, the fuse box 70 only needs to cut off the circuit, thereby preventing danger from occurring in the series-connected circuit and improving the reliability and safety of the power distribution unit.

[0043] The fuse box 70 may be connected to the electric control device 50 by a copper bar to provide a high voltage transmission path. Correspondingly, the fuse box 70 may be further connected to the power port 40 by a copper bar.

[0044] In the embodiment of the present specification, FIG. 3 is a schematic cross-sectional view taken along the line BB in FIG. 1. As shown in FIG. 3, the second connecting base 701 includes a second bolt 711, a second nut 712, and a second insulating base 713; The second bolt 711 is fixed to the bottom of the housing 10, and optionally, the second bolt 711 is welded to the bottom of the housing 10; The second insulating stand 713 is fitted onto the second bolt 711, one end of the second insulating stand 713 is abutted against the housing 10, and the other end of the second insulating stand 713 is formed with a second supporting end surface, which is for mounting the fuse copper bar 714 and the connection copper bar 60; The second nut 712 is engaged with the second bolt 711 , thereby fixing the fuse copper bar 714 and the connecting copper bar 60 to the second bolt 711 .

[0045] Here, it may be understood that the fuse box 70 can be stably fixed inside the housing 10 by providing the second connection stand 701 on both ends of the fuse box 70, and the fuse copper bar 714 and the connection copper bar 60 can be positioned at a predetermined distance from the housing 10 by providing the second insulating stand 713. Optionally, the heights of the second insulating stand 713 and the first insulating stand 423 can be made to match, so that the fuse copper bar 714 and the connection copper bar 60 can be positioned at a predetermined distance from the housing 10, ensuring a certain insulation effect.

[0046] The fuse copper bar 714 and the connecting copper bar 60 are fixed between the second nut 712 and the second supporting end surface, which can improve the stability of the fixing and facilitate the removal and assembly. The structure of the fuse copper bar 714 and the connecting copper bar 60 may be designed according to the actual situation. For example, the fuse copper bar 714 may be a plate-shaped one, and the connecting copper bar 60 may be a bent-shaped one.

[0047] Furthermore, in the embodiment, the fuse copper bar 714 has a third mounting hole, and the connecting copper bar 60 has a fourth mounting hole, and the third mounting hole corresponds to the fourth mounting hole, The size of the third and fourth mounting holes corresponds to the cross section of the second bolt 711, and both the third and fourth mounting holes are smaller in size than the second support end surface.

[0048] In order to further improve the insulating effect of the power port 40, the surface of the fuse copper bar is coated with a second insulating layer, which is a PVC insulating layer.

[0049] In the embodiment of the present specification, Fig. 4 is a schematic diagram of one connection end surface 101 of the power distribution unit in the present specification, and as shown in Fig. 4, a plurality of uniformly arranged electric device ports 20, two connectors 30, and one power port 40 are provided, and a cover plate 102 is provided at the open end of the housing 10, and the size of the cover plate 102 matches the size of the open end of the housing 10. Optionally, the cover plate 102 may be fixed to the open end of the housing 10 in an engaged manner. In this way, the cover plate 102 can be easily attached and detached, and the efficiency of maintenance and adjustment of the equipment inside the power distribution unit is also improved.

[0050] In the power distribution unit provided in the present specification, which can be installed in a plurality of orientations, each connection end surface 101 is provided with an electrical device port 20. However, in actual use, not all electrical device ports 20 are necessarily used, and some electrical device ports 20 may be vacant. Therefore, in order to improve the sealing effect of the internal environment of the power distribution unit, the power distribution unit optionally further includes a seal that corresponds to the electrical device port 20 in a one-to-one manner, and when the electrical device port 20 is vacant, the seal is inserted into the electrical device port 20 to keep the electrical device port 20 in a sealed state. By providing the seal, the vacant electrical device port 20 is kept in a sealed state against the outside, which prevents external impurities (such as dust and water vapor) from entering the inside of the power distribution unit, thereby extending the operating life of the power distribution unit.

[0051] The seal may be a sealing plug that matches the shape of the electrical equipment port 20. In this way, the sealing plug can be stably inserted into the electrical equipment port 20, thereby reducing the probability of it falling off.

[0052] In the embodiment of the present specification, the power distribution unit further includes a sensor provided on the connection line of each electrical equipment port 20 for acquiring information on a current or a voltage output from the electrical equipment port 20. Optionally, the sensor includes a current sensor and / or a voltage sensor.

[0053] Here, in the case where the fuse box 70 is not provided inside the power distribution unit or where the fuse box 70 is not provided on some of the power supply lines, it may be understood that in order to improve the operational stability of the power distribution unit, the current information or voltage information on the power supply lines may be acquired by a sensor to ensure that the power supply lines are in a normal operating state. In addition, when the power supply lines are not in a normal operating state, the external controller may control the power supply to the electric control device 50 to be cut off or control the external power source to stop outputting electric energy, thereby ensuring the operational safety of the power distribution unit.

[0054] In the embodiment of the present specification, the electric control device 50 includes a relay and / or a microcontroller unit (MCU). One electric equipment port 20 is connected to each electric control device 50, and the electric control device 50 is connected to an external power source via a power supply port 40 and is communicatively connected to an external controller by a connector 30, and supplies power to the electric equipment connected to the electric equipment port 20 based on a control command from the external controller.

[0055] In the embodiment of the present specification, the power distribution unit further includes a fixing hole 103 provided at an edge of the housing 10 for fixing the power distribution unit inside the electric vehicle. Optionally, the fixing holes 103 may be located at four positions and provided in each of the four directions of the housing 10. In this way, the power distribution unit can be further fixed inside the electric vehicle by a bolt, and the stability of the power distribution unit inside the electric vehicle is ensured.

[0056] The present disclosure relates to a power distribution unit that can be installed in a plurality of orientations, the power distribution unit including a housing 10 and at least one electrical control device 50, the housing 10 including a plurality of connection end faces 101 each having at least one electrical device port 20, the housing 10 further including a connector 30 and a power port 40, the electrical control device 50 being provided inside the housing 10, each electrical control device 50 being connected to one electrical device port 20, the electrical control device 50 being connected to an external power source via the power port 40 and communicatively connected to an external controller by the connector 30, and supplying power to an electrical device connected to the electrical device port 20 based on a control command from the external controller. By providing a power distribution unit that can be installed in a plurality of orientations, the present disclosure enhances the platforming characteristics of the power distribution unit, improves the adaptability of the power distribution unit to different platforms, and saves design and manufacturing costs.

[0057] Based on the above-mentioned power distribution unit that can be mounted in a plurality of orientations, an embodiment of the present specification further provides a system, the system being a power distribution system, the system including: a power supply end, a control end, an electric device, and a power distribution unit that can be mounted in a plurality of orientations; The power supply terminal is connected to the power distribution unit for supplying power to the electrical devices connected to the power distribution unit; The control end is connected to the power distribution unit, for distributing electric energy to the electric devices connected to the power distribution unit.

[0058] Based on the power distribution unit that can be mounted in a plurality of orientations provided above, an embodiment of the present specification further provides an electric vehicle, in which the electric vehicle is provided with a power distribution unit that can be mounted in a plurality of orientations.

[0059] The electric vehicle may be a pure electric vehicle or a hybrid electric vehicle.

[0060] In the present specification, the principles and embodiments of the present specification are described with specific examples, but the explanation of the above examples is merely for the purpose of making the method and the core idea of ​​the present specification easier to understand. In addition, those skilled in the art may make some modifications in the specific embodiments and the scope of application based on the ideas of the present specification. From the above, it is clear that the contents described in this specification should not be understood as limiting the present specification.

Claims

1. A power distribution unit that can be installed in multiple orientations, a housing and at least one electrical control device; the housing includes a plurality of connection end faces each having at least one electrical device port; The housing further includes a connector and a power port. the electrical control devices are provided within the housing, and each of the electrical control devices is connected to one of the electrical equipment ports; the electrical control device is connected to an external power source via the power supply port, and is communicatively connected to an external controller by the connector, and supplies power to an electrical device connected to the electrical device port based on a control command from the external controller. A power distribution unit that can be mounted in a plurality of orientations.

2. at most one of the electrical control devices is connected to each of the electrical equipment ports; 2. The multi-orientation mountable power distribution unit of claim 1, wherein the electrical equipment port is connected to the power port when the electrical control device is not connected to the electrical equipment port.

3. the electrical equipment port is a high voltage electrical equipment port; The power supply port is a high-voltage battery pack port.

2. The power distribution unit according to claim 1, which can be attached in a plurality of orientations.

4. The power port includes a power copper bar and a first connection block; The first connection base is fixed to the housing, The power supply copper bar is for connecting to an external power supply; The power supply copper bar is connected to the electrical control device or the electrical equipment port by a connecting copper bar; The power supply copper bar and the connection copper bar are stacked and fixed to the first connection base, and are spaced apart from the housing by a predetermined distance.

2. The power distribution unit according to claim 1, which can be attached in a plurality of orientations.

5. the first connecting base includes a first bolt, a first nut and a first insulating base; The first bolt is fixed to a bottom of the housing, the first insulating stand is fitted onto the first bolt, one end of the first insulating stand is abutted against the housing, and the other end of the first insulating stand is formed with a first support end surface for mounting the power supply copper bar and the connection copper bar; The first nut is engaged with the first bolt, thereby fixing the power supply copper bar and the connection copper bar to the first bolt.

5. The power distribution unit according to claim 4, which can be attached in a plurality of orientations.

6. The power supply copper bar has a first mounting hole, The connecting copper bar has a second mounting hole formed therein, The first mounting hole corresponds to the second mounting hole, the size of the first mounting hole and the size of the second mounting hole are consistent with the cross section of the first bolt, and the size of both the first mounting hole and the second mounting hole are smaller than the size of the first support end surface.

6. The power distribution unit according to claim 5, which can be attached in a plurality of orientations.

7. 5. The power distribution unit according to claim 4, wherein the surfaces of the power supply copper bar and the connection copper bar are coated with a first insulating layer.

8. 8. The multi-orientable power distribution unit of claim 7, wherein said first insulating layer is a PVC insulating layer.

9. a fuse box fixed to the housing by a second connecting block; The power input end of the fuse box is connected to the power port by a connecting copper bar; The power supply terminal of the fuse box is connected to the electrical control device or the electrical equipment port.

2. The power distribution unit according to claim 1, which can be attached in a plurality of orientations.

10. the second connecting base includes a second bolt, a second nut and a second insulating base; The second bolt is fixed to a bottom of the housing, the second insulating stand is fitted onto the second bolt, one end of the second insulating stand is abutted against the housing, and the other end of the second insulating stand is formed with a second support end surface for mounting a fuse copper bar and a connection copper bar; The second nut is engaged with the second bolt, thereby fixing the fuse copper bar and the connection copper bar to the second bolt.

10. The power distribution unit according to claim 9, which can be mounted in a plurality of orientations.

11. The fuse copper bar has a third mounting hole formed therein, The connecting copper bar has a fourth mounting hole formed therein, the third mounting hole corresponds to the fourth mounting hole, the size of the third mounting hole and the fourth mounting hole coincides with the cross section of the second bolt, and the size of both the third mounting hole and the fourth mounting hole is smaller than the size of the second support end surface; The power distribution unit according to claim 10, which can be mounted in a plurality of orientations.

12. The multi-orientable power distribution unit according to claim 10, wherein a surface of the fuse copper bar is coated with a second insulating layer.

13. 13. The multi-orientable power distribution unit of claim 12, wherein said second insulating layer is a PVC insulating layer.

14. A cover plate is provided at an open end of the housing, 2. The power distribution unit according to claim 1, wherein the size of the cover plate matches the size of the open end of the housing.

15. a seal corresponding to the electrical equipment port; When the electrical port is empty, the seal is inserted into the electrical port to maintain the electrical port sealed.

2. The power distribution unit according to claim 1, which can be attached in a plurality of orientations.

16. a sensor provided on a connection line of each electrical equipment port for acquiring information on a current or a voltage output from the electrical equipment port; 2. The power distribution unit according to claim 1, which can be attached in a plurality of orientations.

17. 20. The multi-orientable power distribution unit of claim 16, wherein the sensors include current sensors and / or voltage sensors.

18. The multi-orientable power distribution unit of claim 1 , wherein the electrical control device includes a relay and / or an MCU.

19. The housing further includes a fixing hole provided at an edge thereof for fixing the power distribution unit inside an electric vehicle.

2. The power distribution unit according to claim 1, which can be attached in a plurality of orientations.

20. A power distribution system, A power supply terminal, a control terminal, an electric device, and a power distribution unit that can be attached in a plurality of orientations according to any one of claims 1 to 19, the power supply terminal is connected to the power distribution unit and is for supplying power to an electrical device connected to the power distribution unit; The system, characterized in that the control end is connected to the power distribution unit and is for distributing electrical energy to electrical devices connected to the power distribution unit.

21. An electric vehicle comprising a power distribution unit that can be attached in a plurality of orientations according to any one of claims 1 to 19.

Images