CN116968554A - Vehicle-mounted power supply system and vehicle - Google Patents
Vehicle-mounted power supply system and vehicle Download PDFInfo
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- CN116968554A CN116968554A CN202310916703.8A CN202310916703A CN116968554A CN 116968554 A CN116968554 A CN 116968554A CN 202310916703 A CN202310916703 A CN 202310916703A CN 116968554 A CN116968554 A CN 116968554A
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Abstract
The application provides a deconcentrator, a vehicle-mounted power supply system and a vehicle, wherein the deconcentrator comprises a deconcentrator main body, a bus assembly and a plurality of deconcentrator assemblies, and at least one of the bus assembly and the plurality of deconcentrator assemblies is detachably connected with the deconcentrator main body, so that the maintenance and the replacement of internal devices of the deconcentrator main body are facilitated; the bus assembly comprises an anode bus and a cathode bus, each branching assembly comprises an anode branching and a cathode branching, and the line distributor has higher integration level; one end of the positive bus is electrically connected with one end of the positive branching of each branching component through the branching device main body, one end of the negative bus is electrically connected with one end of the negative branching of each branching component through the branching device main body, the other end of the positive bus and the other end of the negative bus are electrically connected with the power supply module, and the other end of the positive branching and the other end of the negative branching are electrically connected with the load. The deconcentrator provided by the application can reduce the number of external interfaces of the power supply module, and is beneficial to the overall layout of the whole vehicle.
Description
Technical Field
The application relates to the technical field of deconcentrators, in particular to a vehicle-mounted power supply system and a vehicle.
Background
The vehicle-mounted power supply system comprises a battery pack and a power distribution unit, wherein the battery pack supplies power to different loads through each independent connector interface on the power distribution unit, and a fuse is arranged inside the power distribution unit to provide overcurrent protection. Along with the continuous increase of vehicle-mounted loads connected with the power distribution unit, more connector interfaces are required to be arranged on the power distribution unit, so that the size of components of the power supply system is increased, the whole vehicle layout is not facilitated, and the cost is increased due to complex wiring and overlarge size. In addition, when changing the fuse, because the whole power distribution unit needs to be dismantled, the operation degree of difficulty and risk have been increased.
Disclosure of Invention
The application provides a vehicle-mounted power supply system and a vehicle.
In a first aspect, the application provides a vehicle-mounted power supply system, and a deconcentrator comprises a deconcentrator main body, a bus assembly and a plurality of deconcentrator assemblies, wherein at least one of the bus assembly and the plurality of deconcentrator assemblies is detachably connected with the deconcentrator main body, so that the difficulty in installing the deconcentrator is reduced. The bus assembly comprises positive buses and negative buses, each branching assembly comprises positive branching and negative branching, one end of each positive bus is electrically connected with one end of each positive branching of the branching assembly through the deconcentrator main body, one end of each negative bus is electrically connected with one end of each negative branching of the branching assembly through the deconcentrator main body, the other end of each positive bus and the other end of each negative bus are electrically connected with the power module, and the other end of each positive branching and the other end of each negative branching are electrically connected with a load.
According to the application, through the arrangement of the deconcentrator, firstly, the deconcentrator is positioned outside the power distribution unit, so that the inner space of the power distribution unit is not occupied, the size of the power distribution unit is reduced, and when the power distribution unit is applied to a vehicle, the size of the power distribution unit is reduced, thereby being beneficial to the overall vehicle layout.
Secondly, one deconcentrator can divide the current into one more paths, simultaneously supplies power to a plurality of loads, optimizes the traditional centralized power distribution into distributed power distribution, reduces the number of connectors arranged outside a power distribution unit, saves cost, is favorable for the miniaturization design of the power distribution unit and the deconcentrator, and enables the power distribution unit and the deconcentrator to be suitable for various miniaturized scenes.
Thirdly, a deconcentrator relates to positive pole generating line and negative pole generating line, a plurality of positive pole separated time and a plurality of negative pole separated time simultaneously, and deconcentrator's integrated level is high, just needs a deconcentrator just can form the return circuit between power module and a plurality of load, and the pencil is arranged simply convenient, can reduce deconcentrator's manufacturing cost and the assembly degree of difficulty of on-vehicle power supply system.
Fourth, at least one of the bus assembly and the plurality of branching assemblies is detachably connected with the branching device main body, and the whole vehicle-mounted power supply system is not required to be detached when the branching device main body breaks down, so that the operation difficulty and cost of maintaining the branching device are effectively reduced. And when assembling, can install the deconcentrator main part with detachable connection's cable subassembly part separately, the exemplary, can install the deconcentrator main part on the power distribution unit earlier, install detachable connection's cable subassembly part on the deconcentrator main part again, can avoid too many and increase the installation degree of difficulty for the installation is more convenient.
In one implementation, the means of removable connection includes a screw connection, a snap-lock connection. Making the implementation of the detachable connection simpler.
In one implementation, the bus assembly and the assembly of the plurality of wire-dividing assemblies that is detachably connected with the wire-dividing assembly include a cable connector and a cable that is fixed in the cable connector, the wire-dividing assembly includes a housing and a conductive assembly that is located in the housing, the cable connector is detachably connected with the housing, and one end of the cable in the cable connector is used for being electrically connected with the conductive assembly. When the cable connector is connected with the shell, one end of a cable in the cable connector is electrically connected with the conductive component. When the cable connector is separated from the shell, one end of the cable in the cable connector is disconnected from the conductive component.
In this embodiment, the connection relationship between the cable connector and the housing corresponds to the electrical connection relationship between the cable of the detachable cable assembly and the conductive assembly, and the connection or separation between the cable connector and the housing enables the cable and the conductive assembly to be quickly electrically connected or disconnected, so as to improve the installation efficiency of the wire deconcentrator. Wherein, the connection and the separation of cable connector and casing are a relative and interchangeable state, when can dismantle cable assembly or the inside conductive component that is connected with the detachable cable assembly electricity of deconcentrator need be changed, can dismantle cable connector and casing fast in order to maintain for it is more convenient to change the device when breaking down.
In one implementation, the bus assembly and the plurality of wire-dividing assemblies are fixedly connected with the wire-dividing main body, and the fixed cable assembly further comprises a fixed connector integrally formed with the housing of the wire-dividing main body. One end of the cable of the fixed cable assembly is fixed in the fixed connector. The cable of fixed cable subassembly passes through fixed connector and realizes fixed connection and is connected with the conductive component electricity in the casing with the casing.
In one implementation, the housing includes a housing body and a cable connection seat located outside the housing body, the cable connector is detachably connected with the cable connection seat, and when the cable connector is connected with the cable connection seat, one end of a cable in the cable connector is electrically connected with the conductive component through the cable connection seat.
In this implementation manner, the cable connector is detachably connected with the cable connecting seat, the connection relation between the cable connector and the cable connecting seat corresponds to the electric connection relation between the cable of the detachable cable assembly and the conductive assembly, and the connection or separation between the cable connector and the cable connecting seat enables the cable and the conductive assembly to be quickly electrically connected or disconnected, so that the installation efficiency of the deconcentrator is improved. When the cable connector and the cable connecting seat are in a connecting state, the cable connector and the cable connecting seat are relatively fixed to form a whole, and the cable of the detachable cable assembly is electrically connected with the conductive assembly of the deconcentrator main body. When the cable connector and the cable connecting seat are in a disassembly state, the cable connector is separated from the cable connecting seat, and at the moment, the electric connection relationship between the cable of the detachable cable assembly and the conductive assembly of the deconcentrator main body is disconnected.
In one implementation, the arrangement direction of the positive electrode branching line and the negative electrode branching line in at least one of the plurality of branching components is the same as the arrangement direction of the positive electrode bus and the negative electrode bus, and all positive electrode branching lines in the plurality of branching components are arranged side by side and the arrangement direction is perpendicular to the arrangement direction of the positive electrode bus and the negative electrode bus. In this implementation mode, with the arrangement direction of all positive pole separated time and all negative pole separated time the same with the arrangement direction of positive pole generating line and negative pole generating line, positive pole separated time and negative pole separated time in every group line subassembly are the same with the arrangement direction of positive pole generating line and negative pole generating line promptly for positive pole generating line is more convenient to be connected with positive pole separated time electricity, and negative pole generating line is more convenient to be connected with negative pole separated time electricity, makes the outside cable arrangement of deconcentrator more regular orderly.
In one implementation, the splitter body includes a housing and a conductive assembly, wherein the housing includes a cover plate, a housing body, and a cable connection seat located outside the housing body, the cable connection seat includes a first mounting groove and a second mounting groove, the first mounting groove and the second mounting groove are arranged in a stacked manner along outside the housing body, and a space formed by enclosing the housing body and the cover plate is used for accommodating the conductive assembly. The conductive component comprises two conductive terminals, one ends of the two conductive terminals extend into the cable connecting seat, and the stacking direction of the two conductive terminals is the same as that of the first mounting groove and the second mounting groove. In this implementation manner, the stacking direction of the two conductive terminals is the same as the stacking direction of the first mounting groove and the second mounting groove, so that the cable in the cable connector can be quickly electrically connected with the two conductive terminals, and the stacking direction of the cable in the cable connector, such as the positive bus and the negative bus, is also the same as the stacking direction of the first mounting groove and the second mounting groove, so that the positive bus and the negative bus can be more stably inserted into the two mounting grooves, and further be electrically connected with the two conductive terminals more stably.
In one implementation, the bus bar assembly and the assembly of the plurality of wire-break assemblies that is detachably connected to the wire-break body are bus bar assemblies. Make the generating line subassembly can realize with the deconcentrator main part connection and dismantlement fast.
In one implementation, the cable connector is a bus connector, and the cables fixed in the cable connector are an anode bus and a cathode bus in the bus assembly. When the bus connector is in a connection state with the cable connection seat, the bus connector is relatively fixed with the cable connection seat to form a whole, and at the moment, the positive bus and the negative bus are electrically connected with the conductive component of the deconcentrator main body. When the bus connector and the cable connecting seat are in a disassembly state, the bus connector is separated from the cable connecting seat, and at the moment, the electric connection relationship between the positive bus, the negative bus and the conductive component of the deconcentrator main body is disconnected.
In one implementation, the bus bar assembly and the one of the plurality of tap assemblies that is detachably connected to the tap body are one or more tap assemblies. So that the wire dividing assembly can be quickly connected with and detached from the wire divider main body.
In one implementation, the cable connector is a junction connector, and the positive and negative electrode branches in the cable junction assembly are fixed in the cable connector. In this embodiment, the junction connector is detachably connected with the cable connection seat, and the connection relationship between the junction connector and the cable connection seat corresponds to the electrical connection relationship between the positive electrode junction, the negative electrode junction and the conductive component, and the junction connector is connected or separated with the cable connection seat, so that the positive electrode junction, the negative electrode junction and the conductive component can be quickly connected or disconnected.
In one implementation, the bus bar assembly and the assembly of the plurality of breakout assemblies that is detachably connected to the breakout body are all breakout assemblies. All the branching components together form a branching assembly, and the branching assembly is detachably connected with the branching device main body. In this embodiment, the branching assembly is detachably connected to the housing through the cable connector and electrically connected to the conductive component in the housing. When the wire deconcentrator or the conductive component electrically connected with the wire deconcentrator inside the wire deconcentrator needs to be replaced, the cable connector and the shell can be quickly disassembled for maintenance, so that the replacement of the device is more convenient when the fault occurs.
In one embodiment, the cable connector is a junction assembly connector, one end of each positive junction and one end of each negative junction in the junction assembly are both fixed in the junction assembly connector, the junction assembly connector is detachably connected with the housing, and one end of each positive junction and one end of each negative junction in the junction assembly are electrically connected with the conductive component. Wherein: when the branching combined connector is connected with the shell, one end of each positive electrode branching and one end of each negative electrode branching in the branching combined body are electrically connected with the conductive component. When the branching connector is separated from the shell, one end of each positive electrode branching and one end of each negative electrode branching in the branching assembly are disconnected with the conductive component.
In this embodiment, the junction combining connector is detachably connected with the cable connection seat of the housing, and when the junction combining connector is in a connection state with the cable connection seat, the junction combining connector is relatively fixed with the cable connection seat to form a whole, and at this time, the positive electrode junction and the negative electrode junction are electrically connected with the conductive component of the deconcentrator main body. When the branching combined connector and the cable connecting seat are in a disassembling state, the branching combined connector is separated from the cable connecting seat, and at the moment, the electric connection relationship between the positive electrode branching, the negative electrode branching and the conductive component of the deconcentrator main body is disconnected. The shape of the two opposite end surfaces of the branching combined connector and the cable connecting seat are matched, so that the structural stability of the branching combined connector and the cable connecting seat in a connecting state is improved.
In one implementation, the bus bar assembly and the one or more of the plurality of wire-break assemblies that are detachably connected to the wire-break body are a bus bar assembly and a wire-break assembly or a plurality of wire-break assemblies. In this embodiment, the busbar connector and the branching combined connector are both detachably connected to the cable connector. When the bus connector, the branching combined connector and the cable connecting seat are in a connection state, the bus assembly and the branching combined body are electrically connected with the conductive assembly of the branching device main body. When the bus connector, the branching combined connector and the cable connecting seat are in a disassembled state, the electric connection relationship between the bus assembly and the branching combined body and the conductive assembly of the branching device main body is disconnected. The shape of the two opposite end faces of the branching connector and the cable connecting seat are matched, so that the structural stability of the branching connector and the cable connecting seat in a connecting state is improved. The bus assembly and the plurality of branching assemblies are arranged and are detachably connected with the deconcentrator main body, so that convenience in disassembly and assembly of the deconcentrator can be improved, and difficulty and cost in replacement and maintenance operation of devices in the deconcentrator are reduced.
In one implementation, the wire divider body includes a housing including a housing body and a cover plate, and a conductive assembly located within the housing, the conductive assembly including a plurality of fuses located within a space defined by the housing body and the cover plate. The plurality of fuses are arranged one by one with the positive electrode branching lines, one end of each of the plurality of fuses is electrically connected with the positive electrode bus, and the other end of each of the plurality of fuses is electrically connected with one of the positive electrode branching lines. In this implementation mode, set up the fuse in the space that casing main part and apron enclose and form, when the fuse need be changed, casing main part and apron can be dismantled fast for it is more convenient to change the fuse when overcurrent failure takes place. The number of the fuses is equal to that of the positive electrode branching lines, so that the fuses play a role in overcurrent protection on the bus assembly and each branching assembly.
In one implementation, the plurality of fuses are further arranged one-to-one with the negative electrode branching line, one ends of the plurality of fuses are electrically connected with the positive electrode bus and the negative electrode bus, and the other ends of the plurality of fuses are electrically connected with the positive electrode branching line and the negative electrode branching line. The scheme is beneficial to enhancing the overcurrent protection of the junction device.
In one implementation, a busbar plugging structure and a branching plugging structure are arranged in the shell body, the busbar plugging structure is electrically connected with the positive busbar, and the branching plugging structure is electrically connected with the positive busbar. The fuse comprises a fuse body and plug-in terminals positioned at two ends of the fuse body, the fuse body is fixed on one side of the cover plate, which faces the shell body, when the cover plate is covered with the shell body, the plug-in terminals at two ends of the fuse body are respectively inserted into the bus plug-in structure and the branching plug-in structure and are respectively electrically connected with the bus plug-in structure and the branching plug-in structure.
In this implementation, the bus plug-in structures and the branching plug-in structures arranged in pairs are installed in one-to-one correspondence and electrically connected to both ends of the fuse body. The fuse is electrically connected between the positive bus and the positive branch, and when the current on the positive branch exceeds a preset value or the positive branch is short-circuited, the heat generated by the fuse can melt the fuse body to break the circuit, so that the circuit protection function is achieved.
In one implementation, the fuse body may be made of copper, silver, zinc, aluminum, lead-tin alloy, copper-silver alloy, etc., which may be fused when reaching a predetermined temperature, so that the fuse has an overcurrent protection function.
In one embodiment, the bus bar and branch plug structures are arranged in the housing body by pre-fixing the fuse on the inner side of the cover plate. When the fuse is fixed in the deconcentrator, the cover plate and the shell body cover are combined and fixed, so that the plug-in terminals at two ends of the fuse body are inserted into the bus plug-in structure and the deconcentrator plug-in structure in the shell body. The fuse can be quickly installed in the deconcentrator, so that the fuse is more convenient to install.
In one implementation, the fuse body and the cover plate may be elastically connected by a clamping groove, and the cover plate and the housing body may be connected by a screw.
In one implementation, the bus bar plug structure and the branching plug structure are electrically connected with the bus bar assembly and the plurality of branching assemblies, respectively, to achieve electrical connection between the fuse and the bus bar assembly and the plurality of branching assemblies.
In one implementation, the splitter further includes a first interlock terminal and a second interlock terminal, the first interlock terminal is located in the housing, the second interlock terminal is located in the cable connector, one end of the second interlock terminal is used for being electrically connected with the first interlock terminal, and the other end of the second interlock terminal is used for being electrically connected with the control module. When the cable connector is connected with the shell, one end of the second interlocking terminal is electrically connected with the first interlocking terminal. In this implementation, the first interlock terminal within the housing and the second interlock terminal within the cable connector are in contact and electrically connected such that the first interlock terminal communicates with the second interlock terminal to form a loop. When the cable connector is disconnected from the housing, the first interlock terminal and the second interlock terminal are also disconnected, and the loop is cut off. Because the second interlocking terminal is electrically connected with the control module, when the bus assembly is loose or disconnected, whether the connection between the positive bus and the negative bus and the deconcentrator main body is complete and tight can be effectively judged by control signals of the control module, so that the interlocking disconnection is ensured to be processed by faults in time, and the control of the safety function is realized.
In one embodiment, the conductive terminal is located in the housing body and extends into the cable connection block, and the first interlock terminal is located in the cable connection block. The first interlocking terminal and the second interlocking terminal can be synchronously and electrically connected to each other so as to improve the interlocking monitoring accuracy.
In one embodiment, two conductive terminals are disposed within the housing with the first interlock terminal being located between the two conductive terminals. The arrangement of the conductive terminal and the first interlocking terminal is more reasonable, and the wire divider is more beneficial to miniaturization.
In one implementation mode, the second interlocking terminal is located between the positive bus and the negative bus, a first mounting groove and a second mounting groove are arranged in the cable connecting seat at intervals, the first interlocking terminal is located between the first mounting groove and the second mounting groove, the positive bus passes through the first mounting groove and is electrically connected with one of the conductive terminals, and the negative bus passes through the second mounting groove and is electrically connected with the other conductive terminal. When the bus connector is connected with the cable connecting seat, the first interlocking terminal and the second interlocking terminal can be connected more conveniently and rapidly, and the space in the bus connector and the cable connecting seat can be fully utilized, so that the miniaturization of the deconcentrator is facilitated.
In an embodiment, two partition boards are arranged in the cable connecting seat at intervals, and the two partition boards and the inner wall of the cable connecting seat form a first mounting groove and a second mounting groove respectively. The two conductive terminals extend from the housing body into the first mounting groove and the second mounting groove, respectively. The first interlock terminal is located between the two separators. The first mounting groove and the second mounting groove are formed through the inner walls of the partition plates and the cable connecting seat, and the first interlocking terminal is arranged between the two partition plates, so that the first interlocking terminal is isolated from the conductive terminals in the first mounting groove and the second mounting groove, electric isolation is realized, the wire distributor is safer, and the monitoring precision of the interlocking terminal is improved.
In an embodiment, when the cable connection seat is a bus connection seat, the first installation groove and the second installation groove are respectively used for placing a positive bus and a negative bus in the bus assembly, so that when the bus connector is connected with the bus connection seat, the positive bus and the negative bus are respectively electrically connected with the two conductive terminals.
In an embodiment, when the cable connection seat is a branching connection seat, the first installation groove and the second installation groove are respectively used for placing the positive electrode branching and the negative electrode branching in the branching component, so that when the branching connection head is connected with the branching connection seat, the positive electrode branching and the negative electrode branching are respectively electrically connected with the two conductive terminals.
In an embodiment, the two conductive terminals are in a blade shape, one ends of the positive bus and the negative bus of the bus assembly are in a slot shape, so that the blades are conveniently inserted into the slots, and the two conductive terminals are electrically connected with the positive bus and the negative bus.
In one embodiment, the two conductive terminals are slot-shaped at one end of the positive and negative bus bars of the bus bar assembly.
In one embodiment, the positive and negative pole branches of the branch assembly are one of blade-like and slot-like and the two conductive terminals are the other of blade-like and slot-like.
In an embodiment, the second interlock terminal is electrically connected to the control module by an interlock cable that is located between the positive bus bar and the negative bus bar or between the positive and negative split lines.
In one implementation, the wire divider further includes a temperature control element located within the housing, the temperature control element electrically connected to the first interlock terminal for monitoring the temperature inside the wire divider body. In this embodiment, the temperature control element refers to a component whose electrical property (such as resistance) changes with a change in temperature, and the temperature control element may be a temperature sensor, for example. When the temperature of the shell changes, the resistance of the temperature control element changes, so that the current in the interlocking loop changes, and the temperature condition inside the shell can be correspondingly obtained by monitoring the current of the interlocking loop.
In one implementation, a plurality of sealing rings are arranged inside the deconcentrator, and form multistage sealing for isolating the inner space of the deconcentrator from the external environment and preventing water and gas from entering the deconcentrator to cause damage to the inner devices.
In one implementation, the surface of the cover plate facing the housing body is provided with a boss, and the peripheral side of the boss and the peripheral side of the end surface of the housing body facing the cover plate are both provided with sealing rings. The cable connecting seat is close to one side of cable connector and one side of keeping away from the cable connector all circumference is equipped with the sealing washer. The busbar connector is provided with a busbar threading hole, and the busbar assembly enters the busbar connector through the busbar threading hole and a sealing ring is arranged on one side, close to the busbar threading hole, of the interior of the busbar connector. The branch connector is provided with a branch threading hole, the branch assembly enters the inside of the branch connector through the branch threading hole, and a sealing ring is arranged on one side, close to the branch threading hole, of the inside of the branch connector.
In one implementation, the wire deconcentrator further comprises a micro switch, the shell of the wire deconcentrator body comprises a shell body and a cover plate, the micro switch is located in the shell body, the micro switch is located between an insulating support piece in the shell body and the cover plate, a base of the micro switch is fixed on the insulating support piece, a spring piece of the micro switch is elastically abutted to the cover plate, and the micro switch is used for monitoring the dismounting condition of the cover plate. In this embodiment, when the cover plate and the housing body are covered, the cover plate applies a certain elastic force to the micro switch, and the micro switch is connected to the circuit inside the housing body. When the cover plate is in a separated state with the shell body, the micro switch is not acted by the acting force exerted by the cover plate any more, and the micro switch is disconnected from the loop, so that a control signal is released, and high-voltage power-down operation is performed. And the micro switch is arranged in the deconcentrator, so that whether the connection between the cover plate and the shell body is loose or not or whether the connection between the cover plate and the shell body is completely separated is facilitated, the fault treatment on the disconnection of the cover plate is ensured in time, and the safety function control is realized.
In an embodiment, the insulating support may be a part of the housing for isolating the conductive component from the insulator of the housing, or be a protruding part additionally disposed in the housing, for supporting and fixing the micro switch, so as to prevent the micro switch from shaking in the deconcentrator, and improve the monitoring accuracy of the micro switch.
In one implementation, the positive and negative branch lines of one of the plurality of branch lines are copper sheets, which are fixedly connected to the deconcentrator body. Wherein, the copper sheet also can be called the copper bar, and the one end of copper sheet inserts inside the fixed connection head with casing integrated into one piece, and the other end of copper sheet inserts inside the load, and passes through the screw with the load and realize fixed connection. In this embodiment, one of a plurality of separated time subassemblies is the copper sheet, and bus-bar subassembly and other separated time subassemblies are the cable, and bus-bar subassembly and other separated time subassemblies have the pliability, make on the one hand that bus-bar subassembly kept away from the one end of deconcentrator main part can extend to power module's position as required, on the other hand make the one end that other separated time subassemblies kept away from the deconcentrator main part can extend to the load position of vehicle as required, are favorable to promoting the flexibility of whole wiring.
In one implementation, at least one of the plurality of tap assemblies is located on the same side of the tap body as the busbar assembly. In this embodiment, the included angle between the bus assembly and the plurality of branching assemblies is not limited, so that the splitter b is adapted to the requirements of different installation scenarios. The scheme sets up at least one in generating line subassembly and the a plurality of separated time subassembly and is located the same side of deconcentrator main part, is favorable to promoting the space utilization of a side of deconcentrator main part. In one embodiment, the bus bar assembly and each of the plurality of wire-break assemblies are located on the same side of the wire-break body. This scheme is favorable to providing installation space for setting up more interfaces at other sides of deconcentrator main part.
In one implementation, at least one of the plurality of tap assemblies and the bus bar assembly are located on different sides of the tap body. In this embodiment, the bus assembly and the at least one branching assembly may be disposed on opposite sides of the main body of the branching device, or may be disposed on adjacent sides of the main body of the branching device, so that a space exists between the bus assembly and the at least one branching assembly, which is advantageous for avoiding mutual interference between the bus assembly and the branching assembly, and reducing wiring errors.
In one implementation, two of the plurality of wire-dividing assemblies are located on different sides of the wire-divider body. When two of the plurality of wire-dividing assemblies are located on different sides of the wire-divider body, the wirings between the two wire-dividing assemblies do not interfere with each other, and the electrical interference generated to each other is reduced.
In a second aspect, the present application provides a vehicle-mounted power supply system, including a power module, a plurality of loads, and a deconcentrator as described in any one of the above, where the power module is electrically connected to the other ends of the positive bus and the negative bus, and positive and negative deconcentrators in each of the plurality of deconcentrator assemblies are electrically connected to one of the plurality of loads. The deconcentrator is applied to a vehicle-mounted power supply system, the deconcentrator is connected with the power supply distribution unit and a plurality of loads, different load power supply ports are combined into a single power supply output port, and different loads are respectively supplied with power through the deconcentrator, so that the number of connectors between the power supply distribution unit and the loads can be reduced, structural parts on the power supply distribution unit can be reduced, and the distribution of the whole vehicle is facilitated.
In a third aspect, the application provides a vehicle comprising a vehicle body and a wire divider as defined in any one of the preceding claims, the wire divider being mounted on an on-board charging system of the vehicle body. Alternatively, a vehicle body and an on-board power supply system as described above are included, the on-board power supply system being mounted on the vehicle body.
Drawings
In order to more clearly describe the technical solution in the embodiments of the present application, the drawings required to be used in the embodiments of the present application will be described below.
FIG. 1 is a schematic view of a vehicle according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a vehicle-mounted power supply system according to an embodiment of the present application;
FIG. 3 is a schematic structural view of a splitter according to a first embodiment of the present application;
FIG. 4 is an exploded view of a wire divider provided in a first embodiment of the present application;
FIG. 5 is a schematic partial structure of a splitter according to a first embodiment of the present application;
FIG. 6 is a schematic partial structure of a wire divider according to a first embodiment of the present application;
FIG. 7 is a schematic view of a cover plate and a fuse in a wire divider according to a first embodiment of the present application;
FIG. 8 is a schematic view of a partial structure of a wire divider according to a first embodiment of the present application;
FIG. 9 is a schematic structural view of a wire divider according to a first embodiment of the present application;
FIG. 10 is a cross-sectional view AA of the wire divider shown in FIG. 9;
FIG. 11 is a schematic structural view of a wire divider according to a first embodiment of the present application;
FIG. 12 is a BB cross-sectional view of the wire divider shown in FIG. 11;
FIG. 13 is a schematic view of a partial structure of a splitter according to a first embodiment of the present application;
FIG. 14 is a CC cross-sectional view of the wire divider shown in FIG. 13;
FIG. 15 is a schematic view of a partial structure of a wire divider according to a first embodiment of the present application;
FIG. 16 is a DD cross-sectional view of the wire divider shown in FIG. 15;
FIG. 17 is a schematic diagram of a splitter according to a second embodiment of the present application;
FIG. 18 is a schematic view of a portion of a wire divider according to a second embodiment of the present application;
FIG. 19 is a schematic view of a third embodiment of a splitter according to the present application;
FIG. 20 is a schematic view of a splitter according to a fourth embodiment of the present application;
FIG. 21 is a schematic view of a splitter according to a fourth embodiment of the present application;
FIG. 22 is a schematic structural view of a wire divider according to a fifth embodiment of the present application;
FIG. 23 is a schematic structural view of a wire divider according to a fifth embodiment of the present application;
fig. 24 is a schematic structural diagram of a deconcentrator according to a sixth embodiment of the present application;
fig. 25 is a schematic structural diagram of a deconcentrator according to a sixth embodiment of the present application;
fig. 26 is a schematic structural diagram of a deconcentrator according to a seventh embodiment of the present application;
fig. 27 is a schematic structural diagram of a splitter according to an eighth embodiment of the present application;
FIG. 28 is a partial exploded view of a wire divider according to an eighth embodiment of the present application;
Fig. 29 is a schematic structural view of a splitter according to a ninth embodiment of the present application;
FIG. 30 is a partial exploded view of a wire divider according to a ninth embodiment of the present application;
FIG. 31 is a schematic diagram of a vehicle power supply system according to an embodiment of the present application;
FIG. 32 is a schematic diagram of a vehicle power supply system according to an embodiment of the present application;
FIG. 33 is a schematic diagram of a vehicle power supply system according to an embodiment of the present application;
FIG. 34 is a schematic diagram of a vehicle power supply system according to an embodiment of the present application;
fig. 35 is a schematic structural diagram of an on-vehicle power supply system according to an embodiment of the present application.
Detailed Description
The following description of the technical solutions according to the embodiments of the present application will be given with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments.
The terms "first," "second," and the like herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
Furthermore, herein, the terms "upper," "lower," and the like, are defined with respect to the orientation in which the structure is schematically disposed in the drawings, and it should be understood that these directional terms are relative concepts, which are used for descriptive and clarity with respect thereto and which may be varied accordingly with respect to the orientation in which the structure is disposed.
For convenience of understanding, the following explains and describes english abbreviations and related technical terms related to the embodiments of the application.
DCDC: DC, an abbreviation of Direct Current, means a device that converts a Direct Current power supply of a certain voltage level into a Direct Current power supply of another voltage level. DCDC is divided into a boost power supply and a buck power supply according to a voltage class conversion relationship, for example, a DCDC converter connected to a vehicle power supply system converts high-voltage direct current into low-voltage direct current.
A fuse: the fuse is an electric appliance in which a fuse body is fused by heat generated by the fuse body when a current exceeds a predetermined value, and a circuit is disconnected.
And (3) vertical: the vertical defined in the present application is not limited to an absolute vertical intersection (angle of 90 degrees), and a vertical relationship is understood to be allowed in a range of assembly errors, for example, a range of 80 degrees to 100 degrees, which is allowed to exist in a small angle range due to factors such as assembly tolerance, design tolerance, structural flatness, and the like, which are not an absolute vertical intersection.
The embodiment of the application provides a deconcentrator, which comprises a deconcentrator main body, a bus assembly and a plurality of deconcentrator assemblies, wherein at least one of the bus assembly and the plurality of deconcentrator assemblies is detachably connected with the deconcentrator main body, so that the deconcentrator is convenient to install and replace with the deconcentrator main body. The bus assembly comprises an anode bus and a cathode bus, each branching assembly comprises an anode branching and a cathode branching, and the line distributor has higher integration level. One end of a positive bus is electrically connected with one end of a positive branching of each branching component through a branching device main body, one end of a negative bus is electrically connected with one end of a negative branching of each branching component through the branching device main body, the other end of the positive bus and the other end of the negative bus are electrically connected with a power module, and the other end of the positive branching and the other end of the negative branching are electrically connected with loads.
The deconcentrator can be applied to a vehicle-mounted power supply system, and the vehicle-mounted power supply system comprises a power supply module and the deconcentrator, wherein the power supply module is electrically connected with a plurality of loads or external power supplies through the deconcentrator. The vehicle-mounted power supply system can be applied to a vehicle and is used for providing electric energy for various vehicle-mounted loads in the vehicle.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a vehicle 1 according to an embodiment of the application, and fig. 2 is a schematic structural diagram of a vehicle-mounted power supply system 2 according to an embodiment of the application. In one embodiment, the vehicle 1 includes a vehicle body 10 and an in-vehicle power supply system 2, the in-vehicle power supply system 2 being mounted on the vehicle body 10.
In the present embodiment, the vehicle 1 is a wheeled vehicle 1 that is driven or towed by a power unit, and that is used by a person traveling on a road or for transporting articles and performing works for special works. The Vehicle 1 includes an Electric Vehicle/Electric Vehicle (EV), a pure Electric Vehicle (Pure Electric Vehicle/BatteryElectric Vehicle, PEV/BEV), a hybrid Electric Vehicle (Hybrid Electric Vehicle, HEV), an extended range Electric Vehicle (Range Extended Electric Vehicle, REEV), a Plug-in hybrid Electric Vehicle (Plug-in Hybrid Electric Vehicle, PHEV), a new energy Vehicle (New Energy Vehicle), and the like. In some embodiments, the vehicle 1 includes a passenger car, various special work vehicles having specific functions, such as an engineering rescue vehicle, a sprinkler, a sewage suction vehicle, a cement mixer vehicle, a crane vehicle, a medical vehicle, and the like. The vehicle 1 may also be a robot that can travel. In an embodiment, the vehicle 1 further comprises wheels 11, and the on-board power supply system 2 is capable of driving the wheels 11 to rotate. The number of wheels 11 of the vehicle 1 may be three or more, and the present application is not limited thereto.
With continued reference to fig. 1, in one embodiment, the vehicle power supply system 2 includes a splitter 3, a plurality of loads 21, and a power module 20, where the power module 20 is electrically connected to the plurality of loads 21 through the splitter 3, and the power module 20 supplies power to the plurality of loads 21 through the splitter 3. The power module 20 is configured to provide electric energy to the deconcentrator 3, the power module 20 may be directly electrically connected to an input end of the deconcentrator 3 or indirectly electrically connected to the deconcentrator through other components, and the power module 20 may be a power distribution unit or a battery pack. In the present embodiment, the power module 20 is a power distribution unit 20.
With continued reference to fig. 2, in one embodiment, the plurality of loads 21 includes at least two of a compressor 24, a battery heating module 25, a seat heating module 26, a power system 22, and a dc low voltage power source.
In one embodiment, the vehicle-mounted power supply system 2 further includes a battery pack 23, and the splitter 3 is electrically connected to the battery pack 23 through the power distribution unit 20, and the plurality of loads 21 are vehicle-mounted loads.
In one embodiment, a battery management system (Battery Management System, BMS) is disposed on the battery pack 23, the battery management system is tightly combined with the battery pack 23, and detects the voltage, current and temperature of the battery pack 23 in real time through a sensor, and simultaneously performs leakage detection, thermal management, battery equalization management and alarm reminding, calculates the remaining capacity (SOC), discharge power, reports the degradation degree (SOH) and the state of the remaining capacity (SOC), and also controls the maximum output power by an algorithm according to the voltage, current and temperature of the battery to obtain the maximum driving mileage, and controls the charger to charge the optimal current by an algorithm, and performs real-time communication with a vehicle-mounted main controller, a motor controller, an energy control system, a vehicle-mounted display system and the like through a bus interface.
The power distribution unit 20 is also called a distribution box, and is called PDU (Power Distribution Unit) for short, the battery pack 23 transmits high-voltage direct current to the power distribution unit 20, and the power distribution unit 20 converts the high-voltage direct current output by the battery pack 23 into direct current voltage or alternating current required by each load in operation so as to supply power to the load. Wherein the dc voltage required by each load includes a high voltage dc power and a low voltage dc power, wherein the high voltage dc power is electrically supplied to the high voltage load, which illustratively includes a compressor 24, a battery heating module 25, a seat heating module 26, a power system 22, etc., and the power system 22 includes a drive motor and motor controller (MCU, motor Control Unit). The low voltage dc power supply is electrically connected to a low voltage load, and supplies power to the low voltage load, and the low voltage load includes an instrument panel, a control display screen, a car lamp, a USB interface, and the like.
The compressor 24 is a component in an in-vehicle air conditioning system for cooling or heating. In an embodiment, the load further comprises a water pump in an in-vehicle air conditioning system or a water pump in an in-vehicle cooling system. The vehicle-mounted cooling system is used for cooling heating components such as a circuit board, a driving motor and the like in the vehicle.
The battery heating module 25 is used for heating the battery pack 23, and the battery pack 23 is used for supplying power to a driving motor, and the driving motor drives the wheels 11 to run. Under the lower condition of temperature, can damage battery package 23 when charging to battery package 23, need battery heating module 25 to battery package 23 heat up the back just can charge to battery package 23, avoid charging at low temperature and damage battery package 23.
The seat heating module 26 is used to heat seats, including front row seats, rear row seats, or middle seats, and in some embodiments, the seat heating module 26 may also heat seats, lying positions in a caravan when the vehicle 1 is a caravan.
The low voltage dc power supply includes a 12V dc voltage power supply for charging small devices such as dashboards, control displays, car lights, USB interfaces, etc.
In an embodiment, the vehicle power supply system 2 may be further charged by an external power source, and the electric energy is stored in the vehicle power supply system 2, and when the electric energy is required to supply power to the load, the stored electric energy is released to supply power to the load.
In one embodiment, an On-board charger (OBC) is provided in the power distribution unit 20, and the On-board charger is a functional module for charging the high-voltage battery pack 23 from the ac power grid during parking, and the DCDC module is a functional module for converting high-voltage dc into dc voltage required for the load to operate, and the DCDC module may supply power to a 12V On-board load, for example.
The power system 22 is configured to provide power to the vehicle 1, the power system 22 includes a motor controller and a driving motor, and the vehicle-mounted power supply system 2 may supply power to the motor controller and the driving motor, where the power system 22 may be one or more than two.
The wire divider 3 in the embodiment of the present application may be disposed between the power module 20 and the load 21 as needed. Illustratively, in fig. 2, one of the splitters 3 is connected between the power distribution unit 20 and the compressor 24, and the battery heating module 25, and one splitter 3 is connected to two loads at the same time, so that space can be saved and layout can be simplified.
In the conventional vehicle-mounted power supply system 2, if the splitter 3 is not provided, the power distribution unit 20 needs to supply power to different loads through each independent connector, which results in a plurality of interfaces on the power distribution unit 20, so that the size of the power distribution unit 20 is increased, and the failure probability of the interfaces is increased due to the plurality of connectors.
In the application, by applying the deconcentrator 3 in the vehicle-mounted power supply system 2, the deconcentrator 3 connects the power supply distribution unit 20 and the plurality of loads 21, and the deconcentrator 3 combines different load power supply ports into a single power supply output port, and then the deconcentrator 3 supplies power to different loads respectively, the number of connectors between the power supply distribution unit 20 and the loads can be reduced, and structural components on the power supply distribution unit 20 can be reduced, thereby being beneficial to the overall vehicle layout.
The splitter 3 provided in the embodiment of the present application will be described in detail.
Referring to fig. 3 and 4, fig. 3 is a schematic structural diagram of a wire divider 3 according to a first embodiment of the present application, and fig. 4 is an exploded view of the wire divider 3 according to the first embodiment of the present application. In one embodiment, the wire divider 3 includes a divider body 30, a busbar assembly 40, and a plurality of wire divider assemblies 50 (as shown in fig. 3), wherein: at least one of the bus bar assembly 40 and the plurality of distribution assemblies 50 is removably coupled to the distributor body 30 (as shown in fig. 4). Bus bar assemblies 40 include positive and negative bus bars 4000, 4100 (shown in fig. 3), and each junction assembly 50 includes positive and negative junction lines 5000, 5100 (shown in fig. 3). One end of the positive bus 4000 is electrically connected with one end of the positive branch 5000 of each branch assembly 50 through the branch body 30, one end of the negative bus 4100 is electrically connected with one end of the negative branch 5100 of each branch assembly 50 through the branch body 30, the other end of the positive bus 4000 and the other end of the negative bus 4100 are electrically connected with the power module 20, and the other end of the positive branch 5000 and the other end of the negative branch 5100 are electrically connected with the load 21.
In the present embodiment, one end of the bus bar assembly 40 extends into the inside of the splitter main body 30, one ends of the positive electrode bus bar 4000 and the negative electrode bus bar 4100 in the bus bar assembly 40 are located in the splitter main body 30, and the other ends of the positive electrode bus bar 4000 and the negative electrode bus bar 4100 are electrically connected to the power supply module 20. The plurality of branching assemblies 50 extend from inside the wire deconcentrator body 30 to outside the wire deconcentrator body 30, one ends of the positive electrode branching 5000 and the negative electrode branching 5100 in the branching assemblies 50 are located in the wire deconcentrator body 30 and are electrically connected with the positive electrode bus 4000 and the negative electrode bus 4100, respectively, and the other ends of the positive electrode branching 5000 and the negative electrode branching 5100 are electrically connected with the load 21. The current flows out from the positive pole of the power module 20, flows into the positive poles of the plurality of loads 21 after flowing through the positive pole bus 4000 and the plurality of positive pole branching lines 5000, flows out from the negative poles of the plurality of loads 21, flows into the negative poles of the power module 20 after flowing through the plurality of negative pole branching lines 5100 and the negative pole bus 4100, and forms a loop so as to realize that the power module 20 supplies power to the plurality of loads 21 through the deconcentrator 3.
The number of the branching units 50 is a positive integer of 2 or more, and those skilled in the art can adjust the number of the branching units 50 according to actual needs, which is not limited in the present application. In the embodiment shown in fig. 3, the number of the branching assemblies 50 is 5, and the current can be divided into five paths to simultaneously supply power to 5 loads 21.
The deconcentrator body 30 can be used for protecting the positive electrode bus 4000, the negative electrode bus 4100, the positive electrode branching 5000 and the negative electrode branching 5100 inside the deconcentrator body 30, isolating the internal components of the deconcentrator body 30 from the external environment, and meanwhile, the deconcentrator body 30 also provides space for connection structures and devices required for realizing the electrical connection of the positive electrode bus 4000 and the positive electrode branching 5000 and the electrical connection of the negative electrode bus 4100 and the negative electrode branching 5100.
In this embodiment, at least one of the bus bar assembly 40 and the plurality of distribution assemblies 50 is detachably connected to the distributor body 30, and the rest is fixedly connected. Illustratively, in the embodiment shown in fig. 4, the releasable connection is a screw connection. Wherein, the bus bar assembly 40 and the detachably connected parts of the plurality of branching assemblies 50 are connected and separated with the splitter main body 30. When the wire divider 3 needs maintenance or replacement, the detachable connection relation is beneficial to reducing the operation difficulty and cost. The fixedly connected portions of the bus assembly 40 and the plurality of wire dividing assemblies 50 are beneficial to ensuring the stability of the overall structure of the wire divider 3, and the fixed connection relationship can reduce the influence of the external environment on the wire divider 3 when the external environment applies external force to the wire divider 3.
In one embodiment, each of the bus bar assembly 40 and the plurality of distribution assemblies 50 are removably connected to the distributor body 30. The present embodiment is advantageous for further improving convenience in maintenance operation or installation of the wire-divider 3.
In the application, through the arrangement of the deconcentrator 3, firstly, the deconcentrator 3 is positioned outside the power distribution unit 20, so that the inner space of the power distribution unit 20 is not occupied, the size of the power distribution unit 20 is reduced, and when the power distribution unit 20 is applied to the vehicle 1, the volume reduction of the power distribution unit 20 is beneficial to the whole vehicle layout.
Second, one deconcentrator 3 can divide the current into one and multiple paths, and simultaneously supplies power to a plurality of loads 21, so that the traditional centralized power distribution is optimized into distributed power distribution, the number of connectors outside the power distribution unit 20 is reduced, the cost is saved, the miniaturization design of the power distribution unit 20 and the deconcentrator 3 is facilitated, and the power distribution unit 20 and the deconcentrator 3 can adapt to various miniaturized scenes.
Third, a deconcentrator 3 relates to positive bus 4000 and negative bus 4100, a plurality of positive separated wires 5000 and a plurality of negative separated wires 5100 simultaneously, and the integration level of deconcentrator 3 is high, just needs a deconcentrator 3 just can form the return circuit between power module 20 and a plurality of load 21, and the pencil is arranged simply convenient, can reduce the manufacturing cost of deconcentrator 3 and the assembly degree of difficulty of on-vehicle power supply system 2.
Fourth, at least one of the bus bar assembly 40 and the plurality of wire-dividing assemblies 50 is detachably connected with the wire-dividing main body 30, and the whole vehicle-mounted power supply system 2 is not required to be detached when the fault occurs, so that the operation difficulty and cost for maintaining the wire-dividing device 3 are effectively reduced. And during assembly, the deconcentrator main body 30 and the detachably connected cable component part can be separately installed, and the deconcentrator main body 30 can be firstly installed on the power distribution unit 30, and then the detachably connected cable component part is installed on the deconcentrator main body 30, so that the installation difficulty can be increased due to too many cables, and the installation is more convenient.
With continued reference to fig. 4, in one embodiment, the bus bar assembly 40 and the assembly of the plurality of breakout assemblies 50 that is detachably connected to the breakout body 30 are detachable cable assemblies 60. The detachable cable assembly 60 further comprises a cable connector 6000 and a cable fixed in the cable connector 6000, the deconcentrator body 30 comprises a shell 3000 and a conductive assembly 3100 positioned in the shell 3000, the cable connector 6000 is detachably connected with the shell 3000, and one end of the cable in the cable connector 6000 is used for being electrically connected with the conductive assembly 3100. Wherein: when the cable connector 6000 is connected to the housing 3000, one end of the cable of the detachable cable assembly 60 is electrically connected to the conductive assembly 3100. When the cable connector 6000 is separated from the housing 3000, one end of the cable in the cable connector 6000 is disconnected from the conductive component 3100. In the present embodiment, conductive assembly 3100 in case 3000 electrically connects positive electrode bus bar 4000 and positive electrode split line 5000, and negative electrode bus bar 4100 and negative electrode split line 5100.
In the present embodiment, one end of the cable in the detachable cable assembly 60 extends into the housing 3000 from the cable connector 6000, and the detachable cable assembly 60 is detachably connected to the housing 3000 through the cable connector 6000 and electrically connected to the conductive assembly 3100 in the housing 3000. The specific manner of detachable connection of the cable connector 6000 and the housing 3000 is not limited, and in the first embodiment shown in fig. 4, the detachable connection between the cable connector 6000 and the housing 3000 is realized by screws and screw holes by way of example.
In this embodiment, the connection relationship between the cable connector 6000 and the housing 3000 corresponds to the electrical connection relationship between the cable of the detachable cable assembly 60 and the conductive assembly 3100, and the connection or disconnection between the cable connector 6000 and the housing 3000 enables the cable and the conductive assembly 3100 to be quickly electrically connected or disconnected, so as to improve the installation efficiency of the wire-branching device 3.
Wherein, the connection and separation of cable connector 6000 and casing 3000 is a relative and interchangeable state, when detachable cable assembly 60 or the conductive assembly 3100 inside deconcentrator 3 and detachable cable assembly 60 electricity are connected need to be changed, cable connector 6000 and casing 3000 can be detached fast for maintenance for it is more convenient to change the device when breaking down.
In an embodiment, the bus assembly 40 and the components of the plurality of distribution assemblies 50 fixedly connected to the distributor body 30 are fixed cable assemblies 70, the fixed cable assemblies 70 further include a fixed connector 7000, the fixed connector 7000 is integrally formed with the housing 3000 of the distributor body 30, one end of a cable of the fixed cable assembly 70 is fixed in the fixed connector 7000, and the cable of the fixed cable assembly 70 is fixedly connected to the housing 3000 through the fixed connector 7000 and electrically connected to the conductive assembly 3100 in the housing 3000.
With continued reference to fig. 4, in one embodiment, the housing 3000 includes a housing main body 3010 and a cable connection seat 3020 located outside the housing main body 3010, and when the cable connector 6000 is detachably connected to the cable connection seat 3020, one end of a cable in the cable connector 6000 is electrically connected to the conductive assembly 3100 through the cable connection seat 3020.
In this embodiment, the cable connector 6000 is detachably connected to the cable connector 3020, the connection relationship between the cable connector 6000 and the cable connector 3020 corresponds to the electrical connection relationship between the cable of the detachable cable assembly 60 and the conductive assembly 3100, and the connection or separation between the cable connector 6000 and the cable connector 3020 enables the cable and the conductive assembly 3100 to be quickly electrically connected or disconnected, so as to improve the installation efficiency of the wire-distributor 3.
When the cable connector 6000 and the cable connector 3020 are in a connected state, the cable connector 6000 and the cable connector 3020 are relatively fixed to form a whole, and at this time, the cable of the detachable cable assembly 60 is electrically connected with the conductive assembly 3100 of the splitter main body 30. When the cable connector 6000 and the cable connector 3020 are in the detached state, the cable connector 6000 is separated from the cable connector 3020, and at this time, the electrical connection relationship between the cable of the detachable cable assembly 60 and the conductive assembly 3100 of the splitter main body 30 is disconnected.
The specific manner of detachable connection between the cable connector 6000 and the cable connector 3020 is not limited, and in the embodiment shown in fig. 4, the detachable connection between the cable connector 6000 and the cable connector 3020 is realized by screws and screw holes.
In this embodiment, the two opposite end surfaces of the cable connector 6000 and the cable connector 3020 are matched, which is beneficial to improving the structural stability of the cable connector 6000 and the cable connector 3020 in the connection state.
In one embodiment, the cable connection mount 3020 includes a first mounting groove 3021 and a second mounting groove 3022. The cable connector 3020 is fixed to the outside of the housing body 3010, and the first mounting groove 3021 and the second mounting groove 3022 are arranged in layers along the outside of the housing body 3010. With continued reference to fig. 3 and 4, the detachable cable assembly 60 is a bus bar assembly 40, the cable connector 6000 is a bus bar connector 4200, and the bus bar connector 4200 includes one end of the positive bus bar 4000 and one end of the negative bus bar 4100. Accordingly, the positive and negative bus bars 4000 and 4100 are electrically connected to the conductive assembly 3100 through the first and second mounting grooves 3021 and 3022, respectively. Illustratively, one end of the positive bus bar 4000 in the bus bar connector 4200 is electrically connected to the conductive assembly 3100 through the first mounting slot 3021, and one end of the negative bus bar 4100 in the bus bar connector 4200 is electrically connected to the conductive assembly 3100 through the second mounting slot 3022. Accordingly, one end of the negative electrode bus bar 4100 and one end of the negative electrode bus bar 4100 in the bus bar connector 4200 are arranged in the stacking direction of the first mounting groove 3021 and the second mounting groove 3022.
With continued reference to fig. 4, in one implementation of the first embodiment of the present application, the detachable cable assembly 60 is a busbar assembly 40, the cable connector 6000 is a busbar connector 4200, and one end of the cable of the detachable cable assembly 60 is one end of the positive busbar 4000 and one end of the negative busbar 4100.
When the bus bar connector 4200 is connected to the cable connector 3020, the bus bar connector 4200 is fixed to the cable connector 3020, and the positive bus bar 4000 and the negative bus bar 4100 are electrically connected to the conductive assembly 3100 of the splitter main body 30. When the bus bar connector 4200 is detached from the cable connector 3020, the bus bar connector 4200 is separated from the cable connector 3020, and the electrical connection between the positive bus bar 4000, the negative bus bar 4100 and the conductive assembly 3100 of the splitter body 30 is disconnected.
The specific manner of detachable connection between the bus bar connector 4200 and the cable connector 3020 is not limited, and in the first embodiment shown in fig. 4, the detachable connection between the bus bar connector 4200 and the cable connector 3020 is realized by screws and screw holes.
In the present embodiment, the shapes of the two opposite end surfaces of the bus connector 4200 and the cable connector 3020 are matched, which is beneficial to improving the structural stability of the bus connector 4200 and the cable connector 3020 in the connected state.
With continued reference to fig. 4, in one embodiment, the positive electrode branch 5000 and the negative electrode branch 5100 of at least one of the plurality of branch assemblies 50 are aligned in the same direction as the positive electrode bus 4000 and the negative electrode bus 4100, and all the positive electrode branches 5000 of the plurality of branch assemblies 50 are arranged side by side and in a direction perpendicular to the direction in which the positive electrode bus 4000 and the negative electrode bus 4100 are aligned. In the embodiment shown in fig. 4, the arrangement direction of the positive electrode bus bar 4000 and the negative electrode bus bar 4100 is a first direction X, the arrangement direction of all positive electrode branching lines 5000 in the plurality of branching units 50 is a second direction Y, and the first direction X perpendicularly intersects the second direction Y. In an embodiment, the arrangement direction of all the negative electrode branches 5100 in the plurality of branching assemblies 50 is also the second direction Y.
In the present embodiment, the arrangement direction of the positive electrode branch 5000 and the negative electrode branch 5100 in all the branching assemblies 50 is the first direction X, and all the positive electrode branches 5000 and all the negative electrode branches 5100 in the plurality of branching assemblies 50 are arranged in two rows. In this embodiment, the arrangement directions of all the positive electrode branches 5000 and all the negative electrode branches 5100 are the same as the arrangement directions of the positive electrode bus 4000 and the negative electrode bus 4100, that is, the arrangement directions of the positive electrode branches 5000 and the negative electrode branches 5100 in each component line assembly 50 are the same as the arrangement directions of the positive electrode bus 4000 and the negative electrode bus 4100, so that the positive electrode bus 4000 is more convenient to be electrically connected with the positive electrode branches 5000, and the negative electrode bus 4100 is more convenient to be electrically connected with the negative electrode branches 5100, so that the external cable arrangement of the wire distributor 3 is more regular and orderly.
In one embodiment, the first direction X is a height direction of the wire-divider body 30, and the second direction Y is a length direction or a width direction of the wire-divider body 30. In the embodiment shown in fig. 3 and 4, the wire-divider body 30 is generally rectangular parallelepiped in shape.
In an embodiment, when the wire divider body 30 is irregularly shaped or otherwise shaped, the first direction X is a height direction of the wire divider body 30, and the second direction Y may be provided according to the shape of the wire divider body 30 but perpendicular to the first direction X.
Fig. 5 is a schematic partial structure of a deconcentrator 3 according to a first embodiment of the present application. Referring to fig. 4, the case 3000 includes a case body 3010 and a cover plate 3030. The space defined by the case body 3010 and the cover plate 3030 is used to accommodate the conductive assembly 3100. Referring to fig. 5, the conductive assembly 3100 includes two conductive terminals 3110 and a plurality of fuses 3120. Referring to fig. 4 and 5 in combination, two conductive terminals 3110 and a plurality of fuses 3120 are located in a space defined by the case body 3010 and the cover plate 3030.
In one embodiment, two conductive terminals 3110 are stacked and arranged in a space defined by the case body 3010 and the cover plate 3030. Referring to fig. 4 and 5 in combination, the first and second mounting grooves 3021 and 3022 of the cable connector base 3020 are arranged in a stacked relationship along the outside of the housing body 3010. The lamination direction of the two conductive terminals 3110 is the same as the lamination direction of the first mount groove 3021 and the second mount groove 3022. Illustratively, one conductive terminal 3110 is arranged above the other conductive terminal 3110 in the stacking direction of the two conductive terminals 3110. One of the conductive terminals 3110 is used to connect one end of the positive bus bar 4000 through the first mounting groove 3021 of the cable connection block 3020, and the other conductive terminal 3110 is used to connect one end of the negative bus bar 4100 through the second mounting groove 3022 of the cable connection block 3020. In the present embodiment, one end of the conductive terminal 3110 extends from inside the housing body 3010 into the cable mount 3020, and the other end of the conductive terminal 3110 is electrically connected to the fuse 3120.
In the present embodiment, the lamination direction of the two conductive terminals 3110, the lamination direction of the first mount groove 3021 and the second mount groove 3022 are the first direction X.
In one embodiment, the plurality of fuses 3120 are disposed one-to-one with the positive electrode wire 5000 (as shown in fig. 5), one end of the plurality of fuses 3120 is electrically connected with the positive electrode bus bar 4000 (as shown in fig. 5), and the other end of one fuse 3120 is electrically connected with one positive electrode wire 5000 (as shown in fig. 5).
In the present embodiment, the case body 3010 and the cover plate 3030 are detachably connected, and the fuse 3120 is disposed in a space formed by enclosing the case body 3010 and the cover plate 3030, so that the case body 3010 and the cover plate 3030 can be quickly detached when the fuse 3120 needs to be replaced, so that the replacement of the fuse 3120 is more convenient when an overcurrent fault occurs. The number of fuses 3120 is equal to the number of positive wire branches 5000 such that fuses 3120 provide over-current protection for both bus bar assembly 40 and each wire branch assembly 50.
In an embodiment, the plurality of fuses 3120 are further provided one-to-one with the negative electrode branching line 5100, one end of the plurality of fuses 3120 is electrically connected to the positive electrode bus 4000 and the negative electrode bus 4100, and the other end of the plurality of fuses 3120 is electrically connected to the positive electrode branching line 5000 and the negative electrode branching line 5100. The scheme is beneficial to enhancing the overcurrent protection of the deconcentrator 3.
In the embodiment shown in fig. 4 and 5, the fuse 3120 is fixed in the case body 3010 by a screw, and both ends of the fuse 3120 are electrically connected to the positive bus bar 4000 and the positive branching line 5000, respectively.
Referring to fig. 6 to fig. 8 in combination, fig. 6 is a schematic partial structure of a wire divider 3 according to a first embodiment of the present application, fig. 7 is a schematic structure of a cover plate 3030 and a fuse 3120 in the wire divider 3 according to the first embodiment of the present application, and fig. 8 is a schematic partial structure of the wire divider 3 according to the first embodiment of the present application. In one implementation of the first embodiment, a busbar plugging structure 3011 and a branching plugging structure 3012 (as shown in fig. 6) are disposed in the housing main body 3010, the busbar plugging structure 3011 is electrically connected to the positive busbar 4000, and the branching plugging structure 3012 is electrically connected to the positive branch 5000. The fuse 3120 includes a fuse body 3121 and plug terminals 3122 (shown in fig. 7) located at two ends of the fuse body 3121, the fuse body 3121 is fixed to a side of the cover plate 3030 facing the housing body 3010 (shown in fig. 7), and when the cover plate 3030 is covered with the housing body 3010, the two plug terminals 3122 are respectively inserted into the bus bar plug structure 3011 and the branch plug structure 3012 and are respectively electrically connected to the bus bar plug structure 3011 and the branch plug structure 3012 (as shown in connection with fig. 7 and 8).
In the present embodiment, the bus bar insertion structures 3011 and the branching insertion structures 3012 arranged in pairs are mounted in one-to-one correspondence and electrically connected to both ends of the fuse body 3121. The fuse 3120 is electrically connected between the positive bus 4000 and the positive branch 5000, and when the current on the positive branch 5000 exceeds a preset value or the positive branch 5000 is shorted, the heat generated by the fuse 3120 will melt the fuse body 3121 to break the circuit, thereby playing a role of protecting the circuit.
Wherein, the fuse body 3121 may be made of copper, silver, zinc, aluminum, lead-tin alloy, copper-silver alloy, etc., which can be fused when reaching a preset temperature, so that the fuse 3120 has an overcurrent protection function.
In the present embodiment, the fuse 3120 is fixed in advance inside the cover plate 3030, and the bus bar insertion structure 3011 and the branching insertion structure 3012 are provided in the case body 3010. When the fuse 3120 is fixed inside the wire-dividing device 3, the cover plate 3030 is covered and fixed with the case body 3010, so that the plug terminals 3122 at both ends of the fuse body 3121 are inserted into the bus bar plug structure 3011 and the wire-dividing plug structure 3012 inside the case body 3010. So that the fuse 3120 can be quickly installed in the wire deconcentrator 3, making installation more convenient.
In one embodiment, the fuse body 3121 and the cover plate 3030 may be elastically connected by a clamping groove 3023 (as shown in fig. 7), and the cover plate 3030 and the housing body 3010 may be connected by a screw.
In one embodiment, bus bar plugging structure 3011 and break-out plugging structure 3012 are electrically connected to bus bar assembly 40 and plurality of break-out assemblies 50, respectively, to make electrical connection between fuse 3120 and bus bar assembly 40 and plurality of break-out assemblies 50.
Referring to fig. 9 and 10, fig. 9 is a schematic structural diagram of a wire divider 3 according to a first embodiment of the present application, and fig. 10 is a cross-sectional AA view of the wire divider 3 shown in fig. 9. In one implementation of the first embodiment, the splitter 3 further includes a first interlock terminal 80a and a second interlock terminal 80b (as shown in fig. 10), the first interlock terminal 80a is located in the housing 3000 (as shown in fig. 9), the second interlock terminal 80b is located in the cable connector 6000 (as shown in fig. 10), one end of the second interlock terminal 80b is used for electrically connecting with the first interlock terminal 80a, and the other end of the second interlock terminal 80b is used for electrically connecting with the control module; when the cable connector 6000 is connected to the case 3000, one end of the second interlock terminal 80b is electrically connected to the first interlock terminal 80 a.
The operation of the first interlock terminal 80a and the second interlock terminal 80b will be described below taking the detachable cable assembly as an example of the bus bar assembly 40. When the cable connector 6000 is connected to the case 3000, the positive and negative electrode bus bars 4000 and 4100 are electrically connected to the conductive assembly 3100 through the conductive terminals 3110, respectively. At this time, the first interlock terminal 80a in the case 3000 and the second interlock terminal 80b in the cable connector 6000 are in contact and electrically connected such that the first interlock terminal 80a communicates with the second interlock terminal 80b to form a loop. When the cable connector 6000 is disconnected from the housing 3000, the first interlock terminal 80a and the second interlock terminal 80b are also disconnected, and the circuit is cut off. Since the second interlock terminal 80b is electrically connected with the control module, when the bus assembly 40 is loosened or disconnected, whether the connection between the positive bus 4000 and the negative bus 4100 and the deconcentrator body 30 is complete and tight can be effectively judged by the control signal of the control module, so that the timely fault handling of the interlock disconnection is ensured, and the control of the safety function is realized.
The operation principle of monitoring the electrical connection state of the wire distribution assembly 50 using the first interlock terminal 80a and the second interlock terminal 80b can refer to the embodiment shown in fig. 10, and will not be described herein.
In the present embodiment, the conductive terminal 3110 is located within the housing body 3010 and extends into the cable mount 3020, and the first interlock terminal 80a is located within the cable mount 3020. In one embodiment, two conductive terminals 3110 are disposed within the housing 3000 with the first interlock terminal 80a between the two conductive terminals 3110.
In an embodiment, the second interlock terminal 80b is located between the positive bus bar 4000 and the negative bus bar 4100, the first mounting groove 3021 and the second mounting groove 3022 are disposed in the cable connection seat 3020 at intervals, the first interlock terminal 80a is located between the first mounting groove 3021 and the second mounting groove 3022, the positive bus bar 4000 is electrically connected to one of the conductive terminals 3110 after passing through the first mounting groove 3021, and the negative bus bar 4100 is electrically connected to the other conductive terminal 3110 after passing through the second mounting groove 3022.
In an embodiment, two spacers 3025 (as shown in fig. 4) are disposed in the cable connection seat 3020 and disposed at intervals, and the two spacers 3025 and the inner wall of the cable connection seat 3020 form a first mounting groove 3021 and a second mounting groove 3022 (as shown in fig. 9 or fig. 4), respectively. Two conductive terminals 3110 extend from within the housing body 3010 into the first and second mounting slots 3021 and 3022, respectively. The first interlock terminal 80a is located between the two separators 3025.
In an embodiment, when the cable connection socket 3020 is a bus connection socket, the first mounting groove 3021 and the second mounting groove 3022 are used to place the positive bus bar 4000 and the negative bus bar 4100 in the bus bar assembly 40, respectively, such that when the bus connector 4200 is connected to the bus connection socket, the positive bus bar 4000 and the negative bus bar 4100 are electrically connected to the two conductive terminals 3110, respectively.
In an embodiment, when the cable connection base 3020 is a wire-dividing connection base, the first mounting groove 3021 and the second mounting groove 3022 are respectively used for placing the positive wire dividing 5000 and the negative wire dividing 5100 in the wire-dividing assembly 50, so that when the wire-dividing connector 5200 is connected with the wire-dividing connection base, the positive wire dividing 5000 and the negative wire dividing 5100 are respectively electrically connected with the two conductive terminals 3110.
In one embodiment, the two conductive terminals 3110 are blade-shaped (as shown in fig. 5), and one ends of the positive and negative bus bars 4000 and 4100 of the bus bar assembly 40 are slot-shaped, facilitating insertion of the blades into the slots, such that the two conductive terminals 3110 are electrically connected to the positive and negative bus bars 4000 and 4100.
In one embodiment, the two conductive terminals 3110 are in a socket shape at one end of the positive and negative bus bars 4000 and 4100 of the bus bar assembly 40.
In one embodiment, the positive and negative wire branches 5000 and 5100 of the wire branching assembly 50 are one of blade-like and slot-like, and the two conductive terminals 3110 are the other of blade-like and slot-like.
In an embodiment, the second interlock terminal 80b is electrically connected to the control module by an interlock cable 81, the interlock cable 81 being located between the positive and negative bus bars 4000, 4100 or between the positive and negative branch lines 5000, 5100.
Referring to fig. 11 and 12, fig. 11 is a schematic structural diagram of a splitter 3 according to a first embodiment of the present application, and fig. 12 is a BB cross-sectional view of the splitter 3 shown in fig. 11. In one implementation of the first embodiment, the wire dispenser 3 further includes a temperature control element 90 (shown in fig. 12), the temperature control element 90 is located in the housing 3000 (shown in conjunction with fig. 11 and 12), and the temperature control element 90 is electrically connected to the first interlock terminal 80a (shown in fig. 12) for monitoring the temperature inside the wire dispenser body 30.
In this embodiment, the temperature control element 90 refers to a component whose electrical property (such as resistance) changes with a change in temperature, and the temperature control element 90 may be a temperature sensor, for example. When the temperature of the casing 3000 changes, the resistance of the temperature control element 90 changes, so that the magnitude of the current in the interlocking loop changes, and the temperature condition of the interior of the casing 3000 can be obtained by monitoring the current of the interlocking loop.
In the present embodiment, the temperature control element 90 is disposed on the side of the housing 3000 near the bus bar assembly 40, so that the temperature control element 90 is more truly effective for temperature monitoring near the bus bar assembly 40.
Referring back to the first embodiment, referring to fig. 13 to 16, fig. 13 is a schematic view of a partial structure of a wire divider 3 according to the first embodiment of the present application, fig. 14 is a CC section view of the wire divider 3 shown in fig. 13, fig. 15 is a schematic view of a partial structure of the wire divider 3 according to the first embodiment of the present application, and fig. 16 is a DD section view of the wire divider 3 shown in fig. 15.
In one implementation of the first embodiment, the wire divider 3 is internally provided with a plurality of sealing rings 110 (as shown in fig. 13 to 16), and the plurality of sealing rings 110 form a multi-stage seal for isolating the internal space of the wire divider 3 from the external environment, so as to prevent moisture from entering the wire divider 3 and causing damage to internal devices.
In the present embodiment, the cover plate 3030 is provided with a boss 3031 (as shown in fig. 7) on the surface facing the case body 3010, and the seal ring 110 is provided on both the peripheral side of the boss 3031 and the peripheral side of the end surface of the case body 3010 facing the cover plate 3030 (see fig. 7 and 14). The cable connector 3020 is provided with a sealing ring 110 (as shown in fig. 14) circumferentially on one side close to the cable connector 6000 and one side far from the cable connector 6000. The bus connector 4200 is provided with a bus threading hole 4210 (as shown in fig. 15), the bus assembly 40 enters the bus connector 4200 through the bus threading hole 4210 (as shown in fig. 16), and a sealing ring 110 is provided at one side of the bus connector 4200 near the bus threading hole 4210 (as shown in fig. 16). The branch connector 5200 is provided with a branch threading hole (not shown), the branch assembly 50 enters the branch connector 5200 through the branch threading hole, and a sealing ring 110 is arranged on one side, close to the branch threading hole 5210, of the branch connector 5200.
Referring to fig. 17, fig. 17 is a schematic structural diagram of a splitter 3a according to a second embodiment of the present application. In one implementation of the second embodiment, one of the branching assemblies 50 is a copper sheet branching assembly, and for the copper sheet branching assembly, the positive electrode branching 5000 and the negative electrode branching 5100 are both copper sheets 51, and the copper sheets 51 are fixedly connected with the deconcentrator body 30.
The copper sheet may also be called a copper bar, one end of the copper sheet is inserted into the fixing connector 7000 integrally formed with the housing 3000, and the other end of the copper sheet is inserted into the load, and is fixedly connected with the load through a screw.
In this embodiment, one of the plurality of wire-dividing assemblies 50 is a copper sheet, the bus bar assembly 40 and the rest of the wire-dividing assemblies 50 are cables, and the bus bar assembly 40 and the rest of the wire-dividing assemblies 50 have flexibility, so that, on one hand, one end of the bus bar assembly 40, which is far away from the wire-dividing assembly body 30, can be extended to the position of the power module 20 as required, and on the other hand, one end of the rest of the wire-dividing assemblies 50, which is far away from the wire-dividing assembly body 30, can be extended to the load position of the vehicle 1 as required, which is beneficial to improving the flexibility of the overall wiring. G
In this embodiment, the positive electrode wire separation 5000 and the negative electrode wire separation 5100 of the copper bar wire separation assemblies are both fixedly connected to the wire separator body 30, and at least one of the bus bar assembly 40 and the remaining wire separation assembly 50 is detachably connected to the wire separator body 30. In one embodiment, the busbar assembly 40 and each of the wire-splitting assemblies 50 other than the copper sheet wire-splitting assembly 50 are removably connected to the wire-splitter body 30.
Referring to fig. 18, fig. 18 is a schematic partial structure of a wire divider 3a according to a second embodiment of the present application. In one implementation of the second embodiment, the splitter 3a further includes a micro switch 100, the housing 3000 includes a housing body 3010 and a cover plate 3030, the micro switch 100 is located in the housing body 3010, the micro switch 100 is located between an insulating support in the housing body 3010 and the cover plate 3030, a base 101 of the micro switch 100 is fixed to the insulating support, a spring piece 102 of the micro switch 100 is elastically abutted to the cover plate 3030, and the micro switch 100 is used for monitoring the dismounting condition of the cover plate 3030.
In the present embodiment, when the cover plate 3030 is covered with the case body 3010, the cover plate 3030 applies a certain elastic force to the micro switch 100, and the micro switch 100 is connected to the circuit inside the case body 3010. When the cover plate 3030 is in a separated state from the case body 3010, the micro switch 100 is no longer subjected to the force applied by the cover plate 3030, and the micro switch 100 is disconnected from the circuit, so that the control signal is released to perform the high-voltage power-down operation. The micro switch 100 is arranged in the deconcentrator 3a, so that whether the connection between the cover plate 3030 and the shell body 3010 is loose or completely separated is facilitated to be monitored, the disconnection of the cover plate 3030 is guaranteed to be processed by faults in time, and the safety function control is realized.
In an embodiment, the insulating support may be a part of the insulator of the housing 3000 used for isolating the conductive component 3100 from the housing 3000, or be a protruding part additionally disposed in the housing, for supporting and fixing the micro switch 100, so as to prevent the micro switch 100 from shaking in the deconcentrator 3, and improve the monitoring accuracy of the micro switch 100.
In some embodiments, the microswitch 100 is not limited to the configuration shown in fig. 18.
Referring to fig. 19, fig. 19 is a schematic structural diagram of a splitter 3b according to a third embodiment of the present application. In one embodiment, at least one of the plurality of wire-break assemblies 50 is located on the same side of the wire-break body 30 as the busbar assembly 40.
In the present embodiment, the included angle between the bus bar assembly 40 and the plurality of branching assemblies 50 is not limited, and may be any angle between 0 ° and 360 °, so that the branching device 3b is adapted to the requirements of different installation scenarios. The present solution provides that at least one of the busbar assembly 40 and the plurality of wire-dividing assemblies 50 is located on the same side of the wire-dividing body 30, which is beneficial to improving the space utilization of one side of the wire-dividing body 30. In one embodiment, the busbar assembly 40 and each of the plurality of breakout assemblies 50 are located on the same side of the breakout body 30. This solution is advantageous in providing installation space for more interfaces on the other sides of the tap body 30.
Referring to fig. 20 and 21, fig. 20 is a schematic structural diagram of a wire divider 3c according to a fourth embodiment of the present application, and fig. 21 is a schematic structural diagram of the wire divider 3c according to the fourth embodiment of the present application, in which at least one of the plurality of wire dividing assemblies 50 and the bus bar assembly 40 are located on different sides of the wire divider body 30 (as shown in fig. 20 and 21).
In this embodiment, the bus bar assembly 40 and the at least one branching assembly 50 may be disposed on opposite sides of the main body 30 (as shown in fig. 20) or on adjacent sides of the main body 30 (as shown in fig. 21), so that a space exists between the bus bar assembly 40 and the at least one branching assembly 50, which is beneficial to avoiding interference between the bus bar assembly 40 and the branching assembly 50 and reducing wiring errors. In one embodiment, the busbar assembly 40 and each of the plurality of breakout assemblies 50 are located on different sides of the breakout body 30.
Referring to fig. 22 and 23, fig. 22 is a schematic structural diagram of a wire divider 3d according to a fifth embodiment of the present application, and fig. 23 is a schematic structural diagram of a wire divider 3d according to a fifth embodiment of the present application, in which two of the wire dividing assemblies 50 are located on different sides of the wire divider body 30 (as shown in fig. 22 and 23).
In the present embodiment, one of the two wire-dividing assemblies 50 may be a copper bar wire-dividing assembly, and when two of the plurality of wire-dividing assemblies 50 are located at different sides of the wire-dividing body 30, the wires between the two wire-dividing assemblies 50 do not interfere with each other, and the electrical interference generated to each other is reduced. At this time, one of the wire-dividing assemblies 50 may be located on the same side of the wire-divider body 30 as the bus bar assembly 40, or both the bus bar assembly 40 and the two wire-dividing assemblies 50 may be located on different sides of the wire-divider body 30.
In one embodiment, the housing 3000 of the wire divider 3d is made of metal; alternatively, the housing 3000 of the wire divider 3d is made of plastic, and a metal shielding layer is disposed inside the wire divider 3 d. In the present embodiment, the metal casing 3000 or the metal shielding layer is provided, which is advantageous in reducing the influence of the bus bar assembly 40 and the plurality of branching assemblies 50 on other devices when transmitting power.
Referring to fig. 24, fig. 24 is a schematic structural diagram of a splitter 3e according to a sixth embodiment of the present application. The sixth embodiment of the present application provides a wire divider 3e, which is different from the first embodiment in that the detachable cable assembly 60 is a wire dividing assembly 50, the cable connector 6000 is a wire dividing connector 5200, and one end of the cable of the detachable cable assembly 60 is one end of the positive wire dividing 5000 and one end of the negative wire dividing 5100.
In this embodiment, the wire-dividing connector 5200 is detachably connected to the cable connection seat 3020, and the connection relationship between the wire-dividing connector 5200 and the cable connection seat 3020 corresponds to the electrical connection relationship between the positive wire-dividing 5000, the negative wire-dividing 5100 and the conductive component 3100, and the wire-dividing connector 5200 is connected to or separated from the cable connection seat 3020, so that the positive wire-dividing 5000, the negative wire-dividing 5100 and the conductive component 3100 can be quickly electrically connected or disconnected.
When the wire-dividing connector 5200 is in a connection state with the cable connection seat 3020, the wire-dividing connector 5200 is fixed relative to the cable connection seat 3020 to form a whole, and at this time, the positive wire-dividing 5000 and the negative wire-dividing 5100 are electrically connected with the conductive component 3100 of the wire-dividing body 30. When the wire-dividing connector 5200 is in a detached state with the cable connector 3020, the wire-dividing connector 5200 is separated from the cable connector 3020, and at this time, the electrical connection relationship between the positive wire-dividing 5000, the negative wire-dividing 5100 and the conductive component 3100 of the wire-dividing body 30 is disconnected. The two opposite end surfaces of the branch connector 5200 and the cable connector 3020 are matched in shape, so that the structural stability of the branch connector 5200 and the cable connector 3020 in a connection state is improved.
The specific manner of detachable connection between the wire-dividing connector 5200 and the cable connector 3020 is not limited, and exemplary, in the second embodiment shown in fig. X, detachable connection between the wire-dividing connector 5200 and the cable connector 3020 is realized through screws and screw holes.
Referring to fig. 25, fig. 25 is a schematic structural diagram of a splitter 3e according to a sixth embodiment of the present application. In one embodiment, the detachable cable assembly 60 is a breakout assembly 52 formed by a plurality of breakout assemblies 50, and the breakout assembly 52 is detachably connected to the breakout body 30.
In the present embodiment, the branching assembly 52 is detachably connected to the housing 3000 via the cable connector 6000 and electrically connected to the conductive member 3100 in the housing 3000.
Wherein, the connection and separation of the cable connector 6000 and the housing 3000 are in a relative and interchangeable state, when the junction assembly 52 or the conductive component 3100 electrically connected to the junction assembly 52 inside the junction device 3 needs to be replaced, the cable connector 6000 and the housing 3000 can be quickly detached for maintenance, so that the replacement of the device is more convenient when the fault occurs.
With continued reference to fig. 25, in one embodiment, the cable connector 6000 is a junction assembly connector 5300, one end of each positive electrode junction 5000 and one end of each negative electrode junction 5100 in the junction assembly 52 are fixed in the junction assembly connector 5300, the junction assembly connector 5300 is detachably connected to the housing 3000, and one end of each positive electrode junction 5000 and one end of each negative electrode junction 5100 in the junction assembly 52 are electrically connected to the conductive component 3100. Wherein: when the junction assembly 5300 is connected to the case 3000, one end of each positive junction 5000 and one end of each negative junction 5100 in the junction assembly 52 are electrically connected to the conductive member 3100. When the junction connector 5200 is separated from the housing 3000, one end of each positive junction 5000 and one end of each negative junction 5100 in the junction assembly 52 are disconnected from the conductive element 3100.
In the present embodiment, the junction combining connector 5300 is detachably connected to the cable connector 3020 of the housing 3000, and when the junction combining connector 5300 is connected to the cable connector 3020, the junction combining connector 5300 is fixed to the cable connector 3020 relatively, and is integrated with the conductive element 3100 of the splitter body 30, and at this time, the positive electrode junction 5000 and the negative electrode junction 5100 are electrically connected to each other. When the junction combining connector 5300 is in a detached state with the cable connection seat 3020, the junction combining connector 5300 is separated from the cable connection seat 3020, and at this time, the electrical connection relationship between the positive electrode junction 5000, the negative electrode junction 5100 and the conductive component 3100 of the deconcentrator body 30 is disconnected. The shapes of the two opposite end surfaces of the branching combined connector 5300 and the cable connection seat 3020 are matched, which is favorable for improving the structural stability of the branching combined connector 5300 when the branching combined connector 5300 is in a connection state with the cable connection seat 3020.
The specific manner of detachable connection between the junction box 5300 and the cable connector 3020 is not limited, and in the second embodiment shown in fig. 25, the detachable connection between the junction box 5300 and the cable connector 3020 is realized by screws and screw holes.
Referring to fig. 26, fig. 26 is a schematic structural diagram of a wire divider 3f according to a seventh embodiment of the present application, and the seventh embodiment of the present application provides a wire divider 3, which is different from the first embodiment in that a bus bar assembly 40 and a plurality of wire dividing assemblies 50 in the wire divider 3f are detachably connected to a divider main body 30.
In the present embodiment, the bus connector 4200 and the branch connector 5300 are both detachably connected to the cable connector 3020. When the bus connector 4200, the junction module 5300 and the cable connector 3020 are connected, the bus bar assembly 40 and the junction module 52 are electrically connected to the conductive assembly 3100 of the splitter main body 30. When the bus connector 4200, the junction unit connector 5300 and the cable connector 3020 are in the detached state, the electrical connection relationship between the bus bar assembly 40 and the junction unit 52 and the conductive assembly 3100 of the splitter main body 30 is disconnected. The two opposite end surfaces of the branch connector 5200 and the cable connector 3020 are matched in shape, so that the structural stability of the branch connector 5200 and the cable connector 3020 in a connection state is improved. The bus assembly 40 and the plurality of branching assemblies 50 are detachably connected with the branching device main body 30, so that convenience in disassembly and assembly of the branching device 3 can be improved, and difficulty and cost in replacement and maintenance operation of internal devices of the branching device 3 can be reduced.
The specific manner of detachable connection between the wire-dividing connector 5200 and the cable connector 3020 is not limited, and in the seventh embodiment shown in fig. 26, the wire-dividing connector 5200 and the cable connector 3020 are detachably connected by screws and screw holes.
Referring to fig. 27 and 28, fig. 27 is a schematic structural diagram of a wire divider 3g according to an eighth embodiment of the present application, and fig. 28 is a partial exploded view of the wire divider 3g according to the eighth embodiment of the present application, wherein the eighth embodiment of the present application provides a wire divider 3g, which is different from the first embodiment in that a detachable connection manner is that a buckle 3023 is connected with a lock catch (not shown in the drawings). In this embodiment, the cable connector 6000 and the cable connector seat 3020 are detachably connected by a buckle 3023 and a lock catch.
In an embodiment, a locking piece and a slot (not shown in the figure) are disposed on a side of the cable connector 6000 opposite to the cable connector holder 3020, the extending direction of the slot is the same as the overall extending direction of the cable connector 6000, a buckle 3023 and a plug 3024 are disposed on a side of the cable connector holder 3020 opposite to the cable connector 6000, and the extending direction of the plug 3024 is the same as the extending direction of the slot. When the catch 3023 is locked with the latch, the insert 3024 is inserted into the slot so that the connection between the detachable assembly and the housing 3000 is fixed. When the buckle 3023 is unlocked from the buckle, the insert 3024 slides out of the slot, so that the detachable assembly is separated from the housing 3000. The locking means relatively fixing, the unlocking means relatively separating, and the specific mode of unlocking and locking between the buckle 3023 and the lock catch is not limited.
In the present embodiment, the insertion groove and the insertion block 3024 facilitate the assembly and disassembly of the cable connector 6000 and the cable connector holder 3020. The size of the end part of the cable connector 3020, which is close to the cable connector 6000, is slightly smaller than the size of the end part of the cable connector 6000, which is close to the cable connector 3020, so that one end of the cable connector 3020 is conveniently inserted into the cable connector 6000.
With reference to fig. 28, in an embodiment, the detachable cable assembly 60 is a bus bar assembly 40, and detachable connection is achieved between the bus bar connector 4200 and the cable connector 3020 through a buckle 3023 and a lock catch.
Referring to fig. 29 and 30, fig. 29 is a schematic structural diagram of a wire divider 3h according to a ninth embodiment of the present application, and fig. 30 is a partial exploded view of the wire divider 3h according to the ninth embodiment of the present application, in an embodiment, the detachable cable assembly 60 is a wire dividing assembly 50, and detachable connection is achieved between the wire dividing connector 5200 and the cable connecting seat 3020 through a buckle 3023 and a lock catch. The inside and the cable connection seat 3020 opposite side of branch connection head 5200 are equipped with the hasp, and cable connection seat 3020 outside is equipped with buckle 3023 with the opposite side of branch connection head 5200. When the catch 3023 is locked with the latch, the connection between the breakout assembly 50 and the housing 3000 is fixed. When the catch 3023 is unlocked from the catch, the breakout assembly 50 is separated from the housing 3000.
In an embodiment, a slot is disposed on a side of the cable junction connector 5200 opposite to the cable junction seat 3020, the extending direction of the slot is the same as the overall extending direction of the bus connector 4200, an insert 3024 is disposed on a side of the cable junction seat 3020 opposite to the cable junction connector 5200, the extending direction of the insert 3024 is the same as the extending direction of the slot, the insert 3024 slides in and out of the slot, and the insert 3023 and the lock catch are matched to lock and unlock the cable junction assembly 50 and the housing 3000, so as to realize detachable connection.
In an embodiment, the detachable cable assembly 60 is a junction assembly 52 (not shown), and the junction assembly connector 5300 and the cable connection seat 3020 are detachably connected by a buckle 3023 and a lock catch.
It should be noted that, in the first embodiment, the realizable mode, the positional relationship, and the structural description of the fuse 3120, the bus bar plugging structure 3011, the branching plugging structure 3012, the first interlocking terminal 80a, the second interlocking terminal 80b, the temperature control element 90, the sealing ring, and the detachable connection of the bus bar assembly or the branching assembly with the main body of the branching device are also applicable to the realizable mode, the positional relationship, and the structural description of the detachable connection of the fuse 3120, the bus bar plugging structure 3011, the branching plugging structure 3012, the first interlocking terminal 80a, the second interlocking terminal 80b, the temperature control element 90, the sealing ring, and the bus bar assembly or the branching assembly with the main body of the branching device in the second embodiment, which are not repeated herein.
Referring to fig. 31 to 35, fig. 31 to 35 are schematic views of five different configurations of the vehicle power supply system 2 according to an embodiment of the present application, and it should be noted that fig. 31 to 35 are merely exemplary illustrations of the vehicle power supply system 2 according to an embodiment of the present application, and are not a limitation of the configuration of the vehicle power supply system 2 according to an embodiment of the present application.
In the vehicle-mounted power supply system 2 shown in fig. 31, the power system 22 includes either the front driving force assembly 220 or the rear driving force assembly 221, and it can be understood that a single-drive electric vehicle may be used, depending on the design of the whole vehicle, to place the power system near the front wheels for directly driving the front wheels or near the rear wheels for directly driving the rear wheels. The battery pack can supply power to the power system 22 through any one of the splitters in the foregoing embodiments 3a to 3h, and in particular, can supply power to the power system 22 through any one of the splitters 3a, 3d and 3h, where the splitter 3a, 3d and 3h are the splitters provided in the second embodiment, the fifth embodiment and the ninth embodiment of the present application, respectively, and one of the splitting assemblies 50 thereof is a copper sheet 51, which can be directly inserted into the power system for electrical connection. The power of the battery pack 23 is transmitted to the power system 22 through the copper sheet branching assembly, and the power system 22 needs high-voltage power supply, so that the transmission efficiency is improved by adopting the copper sheet. This power-supplying splitter may be referred to as a first main power splitter (3 a/3d/3 h) which is connected to the power system 22 via its first bus bar assembly in addition to the power system 23, thereby enabling energy transfer between the power system 22 and the power system 23, and is connected to another splitter (3 e/3 f), which may be referred to as a first low-load splitter, which may split the energy of the power system 22 to the first low-load splitter, which may then provide the energy to the respective loads, such as the compressor 24, the battery heating system 25, the two-in-one system 20a, etc. The first main power splitter here may enable two-way distribution of the energy of the battery pack 23, while the first low-load splitter may enable a further three-way distribution of the energy provided by the battery pack 23. In the embodiment of the application, the battery pack 23 directly supplies power to the power system 22 and the plurality of loads, the power distribution unit 20 can be simplified into a two-in-one system 20a, and only one external interface is required to be arranged on the two-in-one system 20a, so that compared with the original power distribution unit 20, the volume can be effectively reduced, and the circuit arrangement of the vehicle-mounted power supply system 2 is optimized, thereby being beneficial to the overall vehicle layout. It should be further noted that the branching assemblies connected to the battery heating system 25, the compressor 24 and the two-in-one system 20a may be referred to as a first low-load branching assembly, a second low-load branching assembly and a third low-load branching assembly, respectively, and in this embodiment, are located on the first low-load branching assembly, and their inputs are connected to the battery pack through the first bus bar assembly of the first main power branching assembly, and further, they are connected to the first main power low-load branching assembly of the first main power branching assembly through the bus bar assembly of the first low-load branching assembly, so as to be connected to the first bus bar assembly, and then connected to the battery pack. The embodiment of fig. 31 describes the case where the first low-load distribution assembly and the second low-load distribution assembly are on the first main power distribution device and on the first low-load distribution device, in fact, as the vehicle is designed as a whole and the configuration of the electrical devices is different, the number of the main power distribution devices and the low-load distribution devices can be multiple, and the first low-load distribution assembly and the second low-load distribution assembly and even the third low-load distribution assembly can be located on other main power distribution devices or low-load distribution devices, so that different connection modes of each electrical device on the vehicle can be realized, and the internal wiring design of the whole vehicle is affected.
The vehicle power supply system 2 shown in fig. 32 omits the first low-load splitter with respect to the vehicle power supply system 2 in fig. 31, and the first main power splitter has a plurality of splitting components that can be used as the first low-load splitting component, the second low-load splitting component, and the third low-load splitting component, so that the function of packaging the battery into one-fourth energy of each power utilization unit can be realized.
In the vehicle-mounted power supply system 2 shown in fig. 33, a battery pack is required to supply power to the front driving force system and the rear driving force system, and in addition, based on the embodiments of fig. 31 and 32, a load is further added to the seat heating system 26, at this time, two main power splitters may be configured, the battery heating system 25 and the compressor 24 may be moved to a position close to the front driving force system, the battery pack supplies power to the front driving force system, the battery heating system and the compressor through the main power splitters connected to the front driving force system, the battery pack supplies power to the rear driving force system and the seat heating system through the main power splitters connected to the rear driving force system, and a low-load splitter may be additionally provided between the seat heating system and the main power splitters, which is not particularly limited in the embodiment of the present application. The main power splitter in the embodiment shown in FIG. 33 may be 3a/3d/3h, and the low-load splitter may be 3e/3f.
In the vehicle power supply system 2 shown in fig. 34, the vehicle power supply system further includes an internal combustion engine generator 27 and a generator controller 28 (GCU, generator Control Unit), the power system 22 includes a front driving force assembly 220 and a rear driving force assembly 221, the internal combustion engine generator 27 generates power and stores electric energy in the battery pack 23 through the generator controller 28, and the front driving force assembly 220 is supplied with power through a main power splitter connected thereto, the splitter may be any one of the splitter 3a, the splitter 3d and the splitter 3h, and then the compressor 24 and the battery heating module 25 are supplied with power through a low-load splitter, the splitter may be the splitter 3e/3f, the battery pack 23 is supplied with power through another main power splitter (may be the splitter 3a/3d/3 h) for the two-in-one system 20a and the rear driving force assembly 221, and the front driving force assembly 220 and the rear driving force assembly 221 are used for driving wheels of the whole vehicle to rotate, and the power system 22 is a hybrid power system. In the embodiment of the application, the internal combustion engine generator 27 supplies power to the front driving force assembly 220, the rear driving force assembly 221 and the plurality of loads, and only one external interface is required to be arranged on the two-in-one system 20a, so that the volume of the equipment can be effectively reduced, and the circuit arrangement of the vehicle-mounted power supply system 2 is optimized, thereby being beneficial to the overall vehicle layout.
In the vehicle power supply system 2 shown in fig. 35, the vehicle power supply system further includes an internal combustion engine generator 27 and a generator controller 28, the power system 22 includes a rear driving force assembly 221, and the internal combustion engine generator 27 is connected to the battery pack through a main power splitter connected thereto, where the main power splitter may be any one of the splitters 3a, 3d and 3h, so that the internal combustion engine generator 27 can charge the battery pack 23, and on the other hand, several splitting components on the main power splitter may also be used to supply power to the compressor 24 and the battery heating module 25. The battery pack 23 supplies power to the two-in-one system 20a and the power system (rear driving force assembly) 221 through another main power splitter connected with the power system, the rear driving force assembly 221 is used for providing power for rear wheels, the power system 22 is a hybrid power system at this time, and of course, the positions of the internal combustion engine generator 27 and the power system 221 can be exchanged, so that the automobile is driven by a front drive. In the embodiment of the application, the internal combustion engine generator 27 supplies power to the rear driving force assembly 221 and the plurality of loads, and only one external interface is required to be arranged on the two-in-one system 20a, so that compared with the original power distribution unit 20, the volume can be effectively reduced, and the circuit arrangement of the vehicle-mounted power supply system 2 is optimized, thereby being beneficial to the overall vehicle layout.
The splitter 3, the vehicle-mounted power supply system 2 and the vehicle 1 provided in the embodiments of the present application are described in detail, and specific examples are applied herein to illustrate the principles and embodiments of the present application, and the description of the above embodiments is only for helping to understand the method and core ideas of the present application; meanwhile, as those skilled in the art will have variations in specific embodiments and application scope in light of the ideas of the present application, the present description should not be construed as limiting the present application.
Claims (11)
1. A vehicle-mounted power supply system is characterized in that,
the system comprises a battery pack, at least one power system, a battery heating system, a compressor, a two-in-one system and at least one deconcentrator;
the battery heating system is used for heating the battery pack;
the two-in-one system is used for charging and discharging the battery pack;
the at least one wire divider comprises at least one busbar assembly and a plurality of wire dividing assemblies;
each bus assembly comprises an anode bus and a cathode bus, one end of the anode bus is electrically connected with the plurality of branching assemblies, the other end of the anode bus is connected with the anode of the battery pack, one end of the cathode bus is electrically connected with the plurality of branching assemblies, and the other end of the cathode bus is connected with the cathode of the battery pack;
The multiple branching assemblies comprise at least one main power branching assembly and multiple low-load branching assemblies, wherein the input of the at least one main power branching assembly is connected with the battery pack through one of the at least one bus assembly, the output of the at least one main power branching assembly is connected with one of the at least one power system, the input of the multiple low-load branching assemblies is connected with the battery pack through one of the at least one bus assembly, the output of the multiple low-load branching assemblies is respectively connected with the battery heating system, the compressor and the two-in-one system, and the current specification of the at least one main power branching assembly is larger than that of the multiple low-load branching assemblies and is the cross-sectional area of a guiding electric body.
2. The vehicle power supply system according to claim 1, wherein,
the at least one deconcentrator comprises a first main power deconcentrator, the at least one bus bar assembly comprises a first bus bar assembly, the at least one main power deconcentrator comprises a first main power deconcentrator, so at least one power system comprises a first power system, the first bus bar assembly and the first main power deconcentrator are positioned on the first main power deconcentrator, and the output of the first main power deconcentrator is connected with the first power system;
The plurality of low-load break-out assemblies includes a first low-load break-out assembly, a second low-load break-out assembly and a third low-load break-out assembly,
the output of the first low-load branching component is connected with the battery heating system, the output of the second low-load branching component is connected with the compressor, and the output of the third low-load branching component is connected with the two-in-one system.
3. The vehicle power supply system according to claim 2, wherein,
the first low-load branching component, the second low-load branching component and the third low-load branching component are located on the first main power branching device, and the input of the first low-load branching component, the input of the second low-load branching component and the input of the third low-load branching component are connected with the battery pack through the first bus component.
4. The vehicle power supply system according to claim 2, wherein,
the at least one splitter includes a first low-load splitter, the plurality of splitting components including a first main power low-load splitting component;
the first low-load tap-off component, the second low-load tap-off component and the third low-load tap-off component are located on the first low-load tap-off device;
The first main power low-load branching component is positioned on the first main power splitter;
the input of the first low-load branching component, the input of the second low-load branching component and the input of the third low-load branching component are connected with the output of the first main power low-load branching component, and the input of the first main power low-load branching component is connected with the battery pack through the first bus component.
5. The on-board power supply system of claim 2, wherein the at least one power system comprises a second power system, the at least one splitter comprises a second main power splitter, the at least one bus bar assembly comprises a second bus bar assembly, the plurality of splitting assemblies comprises a second main power splitting assembly, the second bus bar assembly, the second main power splitting assembly, the first low load splitting assembly, and the second low load splitting assembly are located on the second main power splitter;
the input of the second main power branching component is connected with the battery pack through the second bus component, and the output of the second main power branching component is connected with the second power system.
6. The vehicle power supply system of claim 5, wherein the third low-load tap-off assembly is located on the first main power tap-off, an input of the third low-load tap-off assembly being connected to the battery pack through the first bus bar assembly.
7. The vehicle power supply system of claim 5, comprising a seat heating system;
the at least one splitter includes a fourth low-load splitter, the plurality of splitting components including a fourth low-load splitting component and a second main power low-load splitting component, the third low-load splitting component and the fourth low-load splitting component being located on the fourth low-load splitter, the second main power low-load splitting component being located on the first main power splitter;
the output of the fourth low-load branching component is connected with the seat heating system, the input of the third low-load branching component and the input of the fourth low-load branching component are connected with the output of the second main power low-load branching component, and the input of the second main power low-load branching component is connected with the battery pack through the first bus component.
8. The on-board power supply system of claim 2, wherein the at least one power system comprises a third power system, the at least one splitter comprises a third main power splitter and a third low load splitter, the at least one bus bar assembly comprises a third bus bar assembly, the plurality of splitting assemblies comprises a third main power splitting assembly and a third main power low load splitting assembly, the third main power splitting assembly and the third main power low load splitting assembly are located on the third main power splitter, and the first low load splitting assembly and the second low load splitting assembly are located on the third low load splitter;
The input of the third main power branching component and the input of the third main power low-load branching component are connected with the battery pack through the third bus component, the output of the third main power branching component is connected with the third power system, and the input of the first low-load branching component and the input of the second low-load branching component are connected with the output of the third main power low-load branching component.
9. The vehicle power supply system according to claim 8, wherein,
comprising a first internal combustion engine generator for charging said battery pack or for powering said at least one power system;
the third busbar assembly is connected with the battery pack through the first internal combustion engine generator.
10. The vehicle power supply system according to claim 2, wherein,
comprising a second internal combustion engine generator for charging the battery pack or powering the at least one power system;
the at least one power system includes a fourth power system, the at least one splitter includes a fourth main power splitter, the plurality of splitting assemblies includes a fourth main power splitting assembly, and the at least one bus assembly includes a fourth bus assembly;
The first low-load branching component, the second low-load branching component, the fourth main power branching component and the fourth bus component are positioned on the fourth main power branching device, and the third low-load branching component is positioned on the first main power branching device;
the input of the first low-load branching component, the input of the second branching component and the input of the fourth main power branching component are connected with the battery pack through the fourth bus component, and the output of the fourth main power branching component is connected with the internal combustion engine generator.
11. A vehicle comprising a vehicle body and an on-board power supply system as claimed in any one of claims 1 to 10 mounted on the vehicle body for driving the vehicle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320288346 | 2023-02-08 | ||
| CN2023202883460 | 2023-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116968554A true CN116968554A (en) | 2023-10-31 |
Family
ID=88477702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310916703.8A Pending CN116968554A (en) | 2023-02-08 | 2023-07-24 | Vehicle-mounted power supply system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116968554A (en) |
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2023
- 2023-07-24 CN CN202310916703.8A patent/CN116968554A/en active Pending
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