CN216443566U - Power distribution unit and system capable of being mounted in multi-direction matching manner and electric automobile - Google Patents

Power distribution unit and system capable of being mounted in multi-direction matching manner and electric automobile Download PDF

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Publication number
CN216443566U
CN216443566U CN202123335852.0U CN202123335852U CN216443566U CN 216443566 U CN216443566 U CN 216443566U CN 202123335852 U CN202123335852 U CN 202123335852U CN 216443566 U CN216443566 U CN 216443566U
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China
Prior art keywords
distribution unit
power
power distribution
copper bar
mounting hole
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CN202123335852.0U
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Chinese (zh)
Inventor
王超
刘勇
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Changchun Jetty Automotive Parts Co Ltd
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Changchun Jetty Automotive Parts Co Ltd
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Abstract

The power distribution unit comprises a shell and at least one electric control device; the shell comprises a plurality of connecting end faces, and each connecting end face is provided with at least one electrical appliance interface; the shell is also provided with a plug-in connector and a power interface; the electric control devices are arranged in the shell, each electric control device is connected with one electric appliance interface, the electric control devices are connected with an external power supply through the power supply interfaces and are in communication connection with an external controller through the plug-in connectors, and power is supplied to the electric appliances connected with the electric appliance interfaces according to control instructions of the external controller.

Description

Power distribution unit and system capable of being mounted in multi-direction matching manner and electric automobile
Technical Field
The utility model belongs to the technical field of electric automobile, concretely relates to power distribution unit, system and electric automobile that can multidirectional matching installation.
Background
Power Distribution Unit (Power Distribution Unit, PDU) is the indispensable part on the electric automobile, can provide suitable Power Distribution scheme for different high-voltage electrical apparatus, owing to adopt metal casing, the cost is higher, according to the total requirement of arranging, relevant high-voltage spare part (being high-voltage electrical apparatus) arranges the different positions on each platform, often PDU is under the condition that capacity satisfies the requirement, because the high-voltage electrical apparatus arranges the difference, make the high-voltage plug connector orientation different on the PDU, cause PDU can not be fine in different platforms and configuration motorcycle type spare sharing, consequently, PDU can not the platformization, need redevelopment different PDU to the environment of difference, development cost has been increased.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, an object of the present invention is to provide a power distribution unit, a system and an electric vehicle that can be mounted in a multi-directional matching manner, and can improve the adaptability of the power distribution unit and reduce the development cost.
In order to solve the technical problems, the specific technical scheme is as follows:
in one aspect, provided herein is a multidirectional matingly mountable power distribution unit comprising a housing and at least one electrical control device;
the shell comprises a plurality of connecting end faces, and each connecting end face is provided with at least one electrical appliance interface;
the shell is also provided with a plug-in connector and a power interface;
the electric control devices are arranged inside the shell, each electric control device is connected with one electric appliance interface, the electric control devices are connected with an external power supply through the power supply interfaces and are in communication connection with the external controller through the plug-in connectors, and electric appliances connected with the electric appliance interfaces are supplied with power according to control instructions of the external controller.
Further, each electrical appliance interface is connected with at most one electric control device, and when the electrical appliance interface is not connected with the electric control device, the electrical appliance interface is connected with the power supply interface.
Further, the electrical appliance interface is a high-voltage electrical appliance interface, and the power supply interface is a high-voltage battery pack interface.
Further, the power interface comprises a power copper bar and a first connecting seat;
the first connecting seat is fixed on the shell;
the power copper bar is used for being connected with an external power supply, the power copper bar is connected with an electric control device or an electrical appliance interface through a connecting copper bar, and the power copper bar and the connecting copper bar are fixed on the first connecting seat in a superposed mode and keep a preset distance from the shell.
Further, the first connecting seat comprises a first bolt, a first nut and a first insulating seat;
the first bolt is fixed at the bottom of the shell;
the first insulating seat is sleeved on the first bolt, one end of the first insulating seat is abutted to the bottom of the shell, the other end of the first insulating seat forms a first supporting end face, and the first supporting end face is used for mounting the power supply copper bar and the connecting copper bar;
the first nut is matched with the first bolt and used for fixing the power copper bar and the connecting copper bar on the first bolt.
Furthermore, a first mounting hole is formed in the power copper bar, a second mounting hole is formed in the connecting copper bar, and the first mounting hole corresponds to the second mounting hole;
the sizes of the first mounting hole and the second mounting hole are consistent with the cross section of the first bolt, and the sizes of the first mounting hole and the second mounting hole are smaller than the size of the first support end face.
Further, the surfaces of the power supply copper bar and the connecting copper bar are coated with a first insulating layer.
Further, the first insulating layer is a PVC insulating layer.
Furthermore, the power distribution unit further comprises a fuse box, and the fuse box is fixed on the shell through a second connecting seat;
the power inlet end of the fuse box is connected with the power interface through a connecting copper bar, and the power outlet end of the fuse box is connected with the electric control device or the electric appliance interface.
Further, the second connecting seat comprises a second bolt, a second nut and a second insulating seat;
the second bolt is fixed at the bottom of the shell;
the second insulating seat is sleeved on the second bolt, one end of the second insulating seat is abutted against the bottom of the shell, the other end of the second insulating seat forms a second supporting end face, and the second supporting end face is used for mounting a fuse copper bar and a connecting copper bar;
and the second nut is matched with the second bolt and is used for fixing the fuse copper bar and the connecting copper bar on the second bolt.
Furthermore, a third mounting hole is formed in the fuse copper bar, a fourth mounting hole is formed in the connecting copper bar, and the third mounting hole corresponds to the fourth mounting hole;
the sizes of the third mounting hole and the fourth mounting hole are consistent with the cross section of the second bolt, and the sizes of the third mounting hole and the fourth mounting hole are smaller than the size of the second support end face.
Further, the surface of the fuse copper bar is coated with a second insulating layer.
Further, the second insulating layer is a PVC insulating layer.
Further, the open end of the shell is provided with a cover plate, and the size of the cover plate is consistent with that of the open end of the shell.
Further, the power distribution unit further comprises sealing parts, the sealing parts correspond to the electrical appliance interfaces one to one, and when the electrical appliance interfaces are in an idle state, the sealing parts are plugged into the electrical appliance interfaces so that the electrical appliance interfaces can be kept in a sealed state.
Furthermore, the power distribution unit further comprises a sensor, and the sensor is arranged on a connection line of each electrical appliance interface and used for obtaining the current information or the voltage information output by the electrical appliance interface.
Further, the sensor includes a current sensor and/or a voltage sensor.
Further, the electric control device comprises a relay and/or an MCU.
Further, the power distribution unit further comprises a fixing hole, and the fixing hole is formed in the edge of the shell and used for fixing the power distribution unit inside the electric automobile.
In another aspect, a system is also provided herein, where the system is a power distribution system, and the system includes a power supply terminal, a control terminal, an electrical appliance, and the above power distribution unit capable of being mounted in a multi-directional matching manner;
the power supply end is connected with the power supply distribution unit and used for supplying power to electrical appliances connected with the power supply distribution unit;
the control end is connected with the power distribution unit and used for distributing electric energy to the electric appliances connected with the power distribution power supply.
Finally, an electric vehicle is also provided herein, which includes the above-described power distribution unit that can be mounted in a multi-directional mating manner.
By adopting the technical scheme, the power distribution unit, the system and the electric automobile which can be mounted in a multidirectional matching manner comprise a shell and at least one electric control device, wherein the shell comprises a plurality of connecting end faces, and each connecting end face is provided with at least one electrical appliance interface; the shell is also provided with a plug-in connector and a power interface; the electric control devices are arranged in the shell, each electric control device is connected with one electric appliance interface, the electric control devices are connected with an external power supply through the power supply interfaces and are in communication connection with an external controller through the plug-in connectors, and power is supplied to the electric appliances connected with the electric appliance interfaces according to control instructions of the external controller.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram illustrating a multi-way matching mountable power distribution unit provided in an embodiment herein;
FIG. 2 shows a schematic section A-A of FIG. 1;
FIG. 3 shows a schematic cross-sectional view B-B of FIG. 1;
fig. 4 shows a schematic structure of one connection end face in the embodiments herein.
Description of the symbols of the drawings:
10. a housing;
20. an electrical appliance interface;
30. a plug-in connector;
40. a power interface;
50. an electric control device;
60. connecting the copper bars;
70. a fuse box;
101. connecting the end faces;
102. a cover plate;
103. a fixing hole;
401. a power supply copper bar;
402. a first connecting seat;
421. a first bolt;
422. a first nut;
423. a first insulating base;
501. an electrical control device control line;
701. a second connecting seat;
711. a second bolt;
712. a second nut;
713. a second insulating base;
714. fuse copper bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments herein without making any creative effort, shall fall within the scope of protection.
It should be noted that the terms "first," "second," and the like in the description and claims herein and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments herein described are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, product, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, apparatus, product, or device.
Power Distribution Unit (PDU) is as the Power Distribution equipment that electric automobile field was commonly used, can provide suitable Power Distribution scheme for different high-voltage electrical apparatus, in the electric automobile field, Power Distribution Unit can be called high voltage distributor box, because different high-voltage electrical apparatus arrange the different positions at the car platform, can lead to the PDU that needs the different orientation of configuration in order to satisfy Power Distribution's requirement like this, consequently lead to the PDU of current one-way matching installation hardly to adapt to different platforms to lead to PDU can not the platformization, need redevelop different PDU to the environment of difference, increased development cost.
In order to solve the above problem, embodiments of the present specification provide a power distribution unit capable of being installed in a multi-directional matching manner, and matching of electrical appliances can be achieved in different directions, so that adaptability of the power distribution unit is improved, and cost for developing and designing corresponding power distribution units for different platforms is reduced.
In particular, with reference to fig. 1, the power distribution unit comprises a casing 10 and at least one electrical control device 50;
the shell 10 comprises a plurality of connecting end faces 101, and each connecting end face 101 is provided with at least one electrical appliance interface 20;
the shell 10 is also provided with a plug connector 30 and a power interface 40;
the electric control devices 50 are arranged inside the shell 10, each electric control device 50 is connected with one electrical appliance interface 20, the electric control device 50 is connected with an external power supply through the power supply interface 40 and is in communication connection with an external controller through the plug 30, and power is supplied to electrical appliances connected with the electrical appliance interfaces 20 according to control instructions of the external controller.
It can be understood that a plurality of connecting end surfaces 101 are provided on the housing 10 of the power distribution unit, so that the electrical appliance can receive the distributed power through the connecting end surfaces 101, thereby implementing multi-directional matching of the electrical appliance, wherein the connecting end surfaces 101 may be a designated partial surface in the housing 10, or may be the entire outer surface of the housing 10.
The casing 10 may be made of metal, so as to ensure the strength and hardness of the casing 10 and prevent the casing 10 from deforming, thereby improving the safety of the equipment inside the casing 10, and in some other embodiments, the casing 10 may be made of alloy, such as an alloy with high strength and low weight, so as to reduce the weight of the power distribution unit and improve the efficiency of equipment replacement and assembly.
The housing 10 may be integrally formed, thereby improving the manufacturing efficiency of the housing 10 and reducing the manufacturing cost.
Each connecting end surface 101 may be configured with different shapes according to practical situations, such as a square shape, a triangular shape, an irregular shape, and the like, and is not limited in this embodiment.
Casing 10 encloses into power distribution unit's appearance, and casing 10 can be the cuboid, is convenient for at electric automobile internally mounted, can all set up connection terminal surface 101 through the different surfaces at the cuboid to make and all can set up electrical apparatus interface 20 in the different directions of cuboid, with the adaptability that has improved power distribution unit.
In some embodiments of the present specification, the number of the connecting end surfaces 101 may be four, and the electrical appliance interfaces 20 are disposed in four different directions of the power distribution unit, so that the adaptability of the power distribution unit in different platforms is realized.
The plug 30 may be a low voltage plug for communicating with an external controller, the external controller is connected to the electric control device 50 inside the power distribution unit through the plug 30, so as to control the operating state of the electric control device 50, and further achieve the power output state of the electrical appliance interfaces 20 connected to the electric control device 50, for example, the low voltage plug may communicate with an internal control host of the electric vehicle, the low voltage plug may communicate with all the electric control devices 50, different electric control devices 50 are connected to different electrical appliance interfaces 20, and further achieve that different electric control devices 50 control the power consumption states of different electrical appliances, and the control host controls different electric control devices 50 to output different power supply states according to the actual conditions.
In the embodiment of the present disclosure, only one plug 30 may be disposed in the housing 10, and the operating states of all the electric control devices 50 in the power distribution unit may be controlled by one plug 30, so as to achieve accurate power distribution. In some other embodiments, a plurality of connectors 30 may be provided, for example, one connector 30 may be provided on each connection end face 101, and different connectors 30 may control different electronic control devices 50 or combinations of electronic control devices 50, thereby achieving independent control.
In some other embodiments, when the power distribution unit is provided with a plurality of plugs 30, one plug 30 may be defined as a main plug, and the rest may be defined as a spare plug, where the main plug and the spare plug are connected in the same manner as the internal of the power distribution unit, and when the main plug is in normal operation, the spare plug is in an idle or inactive state, and the main plug can control the electric control device 50 in the power distribution unit, and when the main plug fails, the spare plug may be activated, for example, one of the spare plugs is selected to be turned right as the main plug to continue to control the electric control device 50.
In practical operation, an electric control device control line 501 is further provided in the power distribution unit, and the interface of the plug 30 is connected to the electric control device 50 through the electric control device control line 501 and sends a control signal to the electric control device 50 through the electric control device control line 501.
In the embodiment of the present specification, only one power interface 40 may be provided in the housing 10, so that only one external power source can be connected, and all the electrical appliances connected to the power distribution unit can be powered by one external power source. In some other embodiments, a plurality of power interfaces 40 may be provided, for example, one power interface 40 may be provided on each connection end surface 101, and different power interfaces 40 may be connected to different external power sources, so as to supply power to different electrical appliance interfaces 20 or electrical appliance interface 20 combinations, thereby implementing that different electrical appliances or electrical appliance combinations have different power supply sources, and implementing balanced distribution of internal power sources of the electric vehicle.
In the embodiment of the present specification, each electrical consumer interface 20 is connected to at most one electrical control device 50, and when the electrical consumer interface 20 is not connected to the electrical control device 50, the electrical consumer interface 20 is connected to the power supply interface 40.
It can be understood that the electrical consumer interface 20 can be directly connected to the power interface 40 inside the power distribution unit, so that the external power supply directly supplies power to the electrical consumer connected to the electrical consumer interface 20, and the control circuit of the intermediate electric control device 50 is reduced.
The electronic control device 50 may be fixed inside the housing 10 by bolts, and the fixing positions of the different electronic control devices 50 may be adapted according to the electrical appliance interface 20 connected thereto, and the specific fixing positions are not limited in the embodiments of the present specification.
In the embodiment of the present specification, the electrical appliance interface 20 is a high-voltage electrical appliance interface, and the power supply interface 40 is a high-voltage battery pack interface. The high-voltage electric appliance can be equipment for high-voltage electricity utilization in an electric automobile, such as an air conditioner compressor, a PTC heater and the like, and the high-voltage battery pack can be an electric automobile power trolley.
In an embodiment of the present disclosure, referring to fig. 2, which is a schematic cross-sectional view taken along line a-a in fig. 1, the power interface 40 includes a power copper bar 401 and a first connecting seat 402;
the first connecting seat 402 is fixed on the housing 10;
the power copper bar 401 is used for being connected with an external power supply, the power copper bar 401 is connected with the electric control device 50 or the electrical appliance interface 20 through the connecting copper bar 60, and the power copper bar 401 and the connecting copper bar 60 are overlapped and fixed on the first connecting seat 402 and keep a preset distance with the shell 10.
High-voltage transmission of electric energy can be realized by arranging the power supply copper bar 401 and the connecting copper bar 60 so as to transmit the high-voltage electric energy to high-voltage electric appliances, and the reliability and stability of the power supply distribution unit are ensured.
The setting position of power copper bar 401 and connection copper bar 60 keeps the insulating environment that can realize between copper bar (being power copper bar 401 and connection copper bar 60) and the casing 10 apart from predetermineeing to having avoided taking place the condition of high-pressure antithetical couplet electricity, having improved power distribution unit's security and reliability, predetermine the distance and can each electrically conductive (being copper bar and casing 10) between the minimum insulation clearance.
In the present embodiment, the first connection seat 402 includes a first bolt 421, a first nut 422, and a first insulation seat 423;
the first bolt 421 is fixed at the bottom of the casing 10, and optionally, the first bolt 421 is welded at the bottom of the casing 10;
the first insulating base 423 is sleeved on the first bolt 421, one end of the first insulating base 423 abuts against the housing 10, and the other end of the first insulating base 423 forms a first supporting end face (not shown in the figure) for mounting the power copper bar 401 and the connecting copper bar 60;
the first nut 422 is matched with the first bolt 421, and is used for fixing the power copper bar 401 and the connecting copper bar 60 on the first bolt 421.
It will be appreciated that the power interface 40 is herein provided on the surface of the housing 10 in the form of a first bolt 421 and a first nut 422, and the power interface 40 is connected with the equipment inside the power distribution unit, forming a high voltage loop environment.
A first mounting hole is formed in the power copper bar 401, a second mounting hole is formed in the connecting copper bar 60, and the first mounting hole corresponds to the second mounting hole;
the size of the first mounting hole and the second mounting hole is consistent with the cross section of the first bolt 421, and the size of the first mounting hole and the size of the second mounting hole are both smaller than the size of the first support end face.
It can be understood that, through will connecting copper bar 60 and power copper bar 401 and fixing between first nut 422 and first support terminal surface, can improve fixed stability, convenient to detach and equipment moreover, power copper bar 401 and the structure of connecting copper bar 60 design according to actual conditions, for example power copper bar 401 can be platelike, connects copper bar 60 and can be for buckling the form.
In order to further improve the insulation effect of the power interface 40, the surfaces of the power copper bar 401 and the connecting copper bar 60 may be coated with a first insulation layer, and optionally, the first insulation layer may be a PVC insulation layer.
In practice, the power interface 40 may comprise a positive power interface and a negative power interface, which constitute a closed loop of power, and accordingly the positive power interface comprises a positive power copper bar, a positive connection copper bar and a positive first connector; and the negative power interface comprises a negative power copper bar, a negative connection copper bar and a negative first connecting seat, and the specific connection relation is consistent with the above, and the embodiment of the specification is not repeated.
In the embodiment of the present specification, the power distribution unit further includes a fuse block 70, and the fuse block 70 is fixed to the housing 10 by a second connection block 701;
the power inlet end of the fuse box 70 is connected with the power interface 40 through the connecting copper bar 60, and the power outlet end of the fuse box 70 is connected with the electric control device 50 or the electrical appliance interface 20.
It can be understood that the fuse box 70 is connected in series to the circuit of the power interface 40 and the electric control device 50, or the fuse box 70 is connected in series to the circuit of the power interface 40 and the electrical appliance interface 20, when the current information in the series circuit meets the preset condition, the fuse box 70 can open the circuit to avoid the danger of the series circuit, so as to improve the reliability and safety of the power distribution unit.
The fuse box 70 may be connected to the electric control device 50 through a copper bar, thereby providing a high voltage transmission channel; accordingly, the fuse box 70 may also be connected to the power interface 40 via copper bars.
In an embodiment of the present disclosure, referring to fig. 3, which is a schematic cross-sectional view taken along line B-B in fig. 1, the second connecting seat 701 includes a second bolt 711, a second nut 712, and a second insulating seat 713;
the second bolt 711 is fixed at the bottom of the housing 10, and optionally, the second bolt 711 is welded at the bottom of the housing 10;
the second insulating seat 713 is sleeved on the second bolt 711, one end of the second insulating seat 713 abuts against the shell 10, and the other end of the second insulating seat 713 forms a second supporting end surface which is used for installing the fuse copper bar 714 and the connecting copper bar 60;
the second nut 712 is engaged with the second bolt 711, and is used to fix the copper fuse bar 714 and the copper connecting bar 60 to the second bolt 711.
It can be understood that, through setting up second connecting seat 701 at the both ends of fuse box 70, can be with the stable inside of fixing at casing 10 of fuse box 70, can make fuse copper bar 714 and the position of connecting copper bar 60 keep certain distance with casing 10 through setting up second insulator 713, as optionally, the highly uniform of second insulator 713 and first insulator 423 to realize fuse copper bar 714 and the position of connecting copper bar 60 and the distance of casing 10 and keep at preset distance, certain insulating effect has been guaranteed.
Through fixing fuse copper bar 714 and connection copper bar 60 between second nut 712 and second support terminal surface, can improve fixed stability, convenient to detach and equipment moreover, fuse copper bar 714 and the structure of connecting copper bar 60 design according to actual conditions, for example fuse copper bar 714 can be platelike, connects copper bar 60 and can be for buckling the form.
In a further embodiment, a third mounting hole is formed in the fuse copper bar 714, a fourth mounting hole is formed in the connecting copper bar 60, and the third mounting hole corresponds to the fourth mounting hole;
the size of the third mounting hole and the size of the fourth mounting hole are consistent with the cross section of the second bolt 711, and the size of each of the third mounting hole and the fourth mounting hole is smaller than the size of the second support end face.
In order to further improve the insulation effect of the power interface 40, the surface of the fuse copper bar is coated with a second insulation layer, and the second insulation layer is a PVC insulation layer.
In the embodiment of the present specification, please refer to fig. 4, which is a schematic diagram of a connection end surface 101 of the power distribution unit herein, a plurality of uniformly arranged electrical appliance interfaces 20, two plug connectors 30 and a power interface 40 are provided, a cover plate 102 is provided at an open end of the casing 10, and a size of the cover plate 102 is consistent with a size of the open end of the casing 10. Alternatively, the cover plate 102 may be fixed to the open end of the housing 10 by a snap-fit manner, so as to facilitate the mounting and dismounting of the cover plate 102, thereby improving the efficiency of maintenance and adjustment of the internal equipment of the power distribution unit.
Because the power distribution unit capable of being mounted in a multi-way matching manner is provided with the electrical appliance interfaces 20 on each connecting end face 101, in actual use, each electrical appliance interface 20 is not used, that is, an idle electrical appliance interface 20 may exist, so that in order to improve the sealing effect of the internal environment of the power distribution unit, optionally, the power distribution unit further comprises sealing parts, the sealing parts correspond to the electrical appliance interfaces 20 one to one, and when the electrical appliance interfaces 20 are in an idle state, the sealing parts are plugged into the electrical appliance interfaces 20 so as to keep the sealing state by using the electrical appliance interfaces 20. The idle electric appliance interface 20 can be kept in a sealed state outwards by arranging the sealing element, so that external impurities (such as dust, water vapor and the like) are prevented from entering the power distribution unit, and the service life of the power distribution unit is prolonged.
The sealing member can be a sealing plug, and the sealing plug is adapted to the shape of the electrical appliance interface 20, so that the sealing plug can be stably plugged into the electrical appliance interface 20, and the falling probability is reduced.
In the embodiment of the present specification, the power distribution unit further includes a sensor, which is disposed on the connection line of each electrical appliance interface 20 and is used to obtain the output current information or the output voltage information of the electrical appliance interface 20. Optionally, the sensor comprises a current sensor and/or a voltage sensor.
It can be understood that, when the fuse box 70 is not disposed inside the power distribution unit or part of the power supply lines are not disposed with the fuse box 70, in order to improve the stability of the operation of the power distribution unit, current information or voltage information in the power supply lines may also be obtained by means of a sensor to ensure that the power supply lines are in a normal operating state, and when the power supply lines are not in a normal operating state, the external controller may control the electric control device 50 to power off, or control the external power supply to stop outputting electric energy, so as to ensure the safety of the operation of the power distribution unit.
In the embodiment of the present specification, the electric control device 50 includes a relay and/or a Micro Controller Unit (MCU). Each electric control device 50 is connected with one electric appliance interface 20, the electric control device 50 is connected with an external power supply through the power supply interface 40 and is in communication connection with an external controller through the plug 30, and the electric appliances connected with the electric appliance interface 20 are powered according to the control instruction of the external controller.
In the embodiment of the present specification, the power distribution unit further includes a fixing hole 103, and the fixing hole 103 is provided at an edge of the housing 10 for fixing the power distribution unit inside the electric vehicle. Alternatively, the four fixing holes 103 may be located at four positions, which are respectively disposed in four directions of the housing 10, so that the power distribution unit may be fixed inside the electric vehicle by bolts, thereby ensuring the stability of the power distribution unit inside the electric vehicle.
The power distribution unit capable of being mounted in a multi-directional matching mode comprises a shell 10 and at least one electric control device 50, wherein the shell 10 comprises a plurality of connecting end faces 101, and each connecting end face 101 is provided with at least one electrical appliance interface 20; the shell 10 is also provided with a plug connector 30 and a power interface 40; the electric control devices 50 are arranged inside the shell 10, each electric control device 50 is connected with one electrical appliance interface 20, the electric control device 50 is connected with an external power supply through the power supply interface 40 and is in communication connection with an external controller through the plug-in connector 30, and power is supplied to electrical appliances connected with the electrical appliance interfaces 20 according to control instructions of the external controller.
On the basis of the power distribution unit capable of being mounted in a multidirectional matching manner, the embodiment of the specification further provides a system, wherein the system is a power distribution system and comprises a power supply end, a control end, an electrical appliance and the power distribution unit capable of being mounted in a multidirectional matching manner;
the power supply end is connected with the power distribution unit and used for supplying power to the electrical appliances connected with the power distribution unit;
the control end is connected with the power distribution unit and used for distributing electric energy to the electric appliances connected with the power distribution power supply.
On the basis of the power distribution unit capable of being mounted in a multi-way matching manner, the embodiment of the specification further provides an electric automobile, and the electric automobile is provided with the power distribution unit capable of being mounted in a multi-way matching manner.
The electric vehicle may be a pure electric vehicle or a hybrid electric vehicle.
The principles and embodiments of the present disclosure are explained in detail by using specific embodiments, and the above description of the embodiments is only used to help understanding the method and its core idea; meanwhile, for a person skilled in the art, according to the idea of the present disclosure, there may be variations in the specific embodiments and application scope, and in summary, the content of the present disclosure should not be construed as a limitation to the present disclosure.

Claims (21)

1. A multi-directionally mateable mountable power distribution unit comprising a housing and at least one electrical control device;
the shell comprises a plurality of connecting end faces, and each connecting end face is provided with at least one electrical appliance interface;
the shell is also provided with a plug-in connector and a power interface;
the electric control devices are arranged in the shell, each electric control device is connected with one electric appliance interface, the electric control devices are connected with an external power supply through the power supply interfaces and are in communication connection with an external controller through the plug-in connectors, and electric appliances connected with the electric appliance interfaces are supplied with power according to control instructions of the external controller.
2. The multi-directionally mateable mountable power distribution unit according to claim 1, wherein each of said customer interfaces is connected to at most one of said electrical control devices, said customer interfaces being connected to said power interface when said customer interfaces are not connected to said electrical control devices.
3. The multi-directionally mateable mountable power distribution unit of claim 1, wherein said electrical appliance interface is a high voltage electrical appliance interface and said power interface is a high voltage battery pack interface.
4. The multi-directionally mateable mountable power distribution unit of claim 1, wherein said power interface comprises a power copper bar and a first connector block;
the first connecting seat is fixed on the shell;
the power copper bar is used for being connected with an external power supply, the power copper bar is connected with the electric control device or the electric appliance interface through a connecting copper bar, and the power copper bar and the connecting copper bar are fixed on the first connecting seat in a superposed mode and keep a preset distance with the shell.
5. The multi-way mateable mountable power distribution unit of claim 4 wherein the first connector block comprises a first bolt, a first nut, and a first insulator block;
the first bolt is fixed at the bottom of the shell;
the first insulating seat is sleeved on the first bolt, one end of the first insulating seat is abutted to the shell, the other end of the first insulating seat forms a first supporting end face, and the first supporting end face is used for mounting the power supply copper bar and the connecting copper bar;
the first nut is matched with the first bolt and used for fixing the power copper bar and the connecting copper bar on the first bolt.
6. The power distribution unit capable of being mounted in a multi-directional matching manner as claimed in claim 5, wherein the power copper bar is provided with a first mounting hole, the connecting copper bar is provided with a second mounting hole, and the first mounting hole corresponds to the second mounting hole;
the sizes of the first mounting hole and the second mounting hole are consistent with the cross section of the first bolt, and the sizes of the first mounting hole and the second mounting hole are smaller than the size of the first support end face.
7. The multi-directionally mateable mountable power distribution unit according to claim 4, wherein surfaces of said power copper bar and said connecting copper bar are coated with a first insulating layer.
8. The multi-way mateable mountable power distribution unit of claim 7 wherein the first insulating layer is a PVC insulating layer.
9. The multi-directionally mateable mountable power distribution unit of claim 1 further comprising a fuse block secured to said housing by a second connecting receptacle;
the power inlet end of the fuse box is connected with the power interface through a connecting copper bar, and the power outlet end of the fuse box is connected with the electric control device or the electric appliance interface.
10. The multi-directionally mateable mountable power distribution unit of claim 9, wherein said second connection block comprises a second bolt, a second nut, and a second insulating block;
the second bolt is fixed at the bottom of the shell;
the second insulating seat is sleeved on the second bolt, one end of the second insulating seat is abutted to the shell, the other end of the second insulating seat forms a second supporting end face, and the second supporting end face is used for mounting a fuse copper bar and a connecting copper bar;
and the second nut is matched with the second bolt and is used for fixing the fuse copper bar and the connecting copper bar on the second bolt.
11. The multi-directional matching mountable power distribution unit according to claim 10, wherein the fuse copper bar is provided with a third mounting hole, the connecting copper bar is provided with a fourth mounting hole, and the third mounting hole corresponds to the fourth mounting hole;
the sizes of the third mounting hole and the fourth mounting hole are consistent with the cross section of the second bolt, and the sizes of the third mounting hole and the fourth mounting hole are smaller than the size of the second support end face.
12. The multi-way mateable mountable power distribution unit of claim 10 wherein a surface of said copper fuse row is coated with a second insulating layer.
13. The multi-way mateable mountable power distribution unit of claim 12 wherein said second insulating layer is a PVC insulating layer.
14. A multi-directional mateable mountable power distribution unit according to claim 1 wherein the open end of the housing is provided with a cover plate having dimensions corresponding to the dimensions of the open end of the housing.
15. The power distribution unit capable of being mounted in a multi-directional matching manner according to claim 1, further comprising sealing members, wherein the sealing members correspond to the electrical appliance interfaces in a one-to-one manner, and when the electrical appliance interfaces are in an idle state, the sealing members are plugged into the electrical appliance interfaces so that the electrical appliance interfaces are kept in a sealed state.
16. The power distribution unit capable of being mounted in a multidirectional matching manner as claimed in claim 1, further comprising a sensor, wherein the sensor is arranged on a connection line of each electrical appliance interface and is used for obtaining output current information or voltage information of the electrical appliance interface.
17. A multi-way fittable power distribution unit according to claim 16, wherein the sensor comprises a current sensor and/or a voltage sensor.
18. The multi-directionally matchable electrical power distribution unit of claim 1, wherein said electrical control device comprises a relay and/or an MCU.
19. The electrical power distribution unit as claimed in claim 1, further comprising a fixing hole provided at an edge of the housing for fixing the electrical power distribution unit inside an electric vehicle.
20. A system, characterized in that the system is a power distribution system, the system comprises a power supply terminal, a control terminal, an electrical appliance and the multidirectional matchable power distribution unit of any one of claims 1 to 19;
the power supply end is connected with the power supply distribution unit and used for supplying power to electrical appliances connected with the power supply distribution unit;
the control end is connected with the power distribution unit and used for distributing electric energy to the electric appliances connected with the power distribution power supply.
21. An electric vehicle comprising a multi-way matchable power distribution unit of any one of claims 1 to 19.
CN202123335852.0U 2021-12-28 2021-12-28 Power distribution unit and system capable of being mounted in multi-direction matching manner and electric automobile Active CN216443566U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123335852.0U CN216443566U (en) 2021-12-28 2021-12-28 Power distribution unit and system capable of being mounted in multi-direction matching manner and electric automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123335852.0U CN216443566U (en) 2021-12-28 2021-12-28 Power distribution unit and system capable of being mounted in multi-direction matching manner and electric automobile

Publications (1)

Publication Number Publication Date
CN216443566U true CN216443566U (en) 2022-05-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
CN (1) CN216443566U (en)

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Address after: No. 957, Shunda Road, Gaoxin District, Changchun City, Jilin Province, 130000

Patentee after: Changchun Jieyi Automobile Technology Co.,Ltd.

Address before: 130000, 1st floor, 957 Shunda Road, high tech Development Zone, Chaoyang District, Changchun City, Jilin Province

Patentee before: CHANGCHUN JIEYI AUTO PARTS CO.,LTD.