Vehicle

Abstract

The invention provides a vehicle. The vehicle comprises a power framework and a power assembly. The power framework comprises a frame assembly extending from the head of the vehicle to the tail of the vehicle, a front axle suspension and a rear axle suspension, the front axle suspension and the rear axle suspension are assembled on the frame assembly, the front axle suspension is arranged close to the head of the vehicle, and the rear axle suspension is arranged close to the tail of the vehicle. The power assembly is assembled on the power framework and located between the front axle suspension and the rear axle suspension. The power assembly comprises a power battery and a driving motor, the power battery comprises a battery pack and a domain controller, the battery pack and the domain controller are integrated in the same module, and the driving motor is located between the power battery and the rear axle suspension. The whole vehicle is designed in an integrated mode, the integration degree and the space utilization rate of the whole vehicle are improved, the whole vehicle layout is compact, and the cost and the weight are reduced.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a vehicle. Background Art

[0002] In recent years, the vehicle industry is facing the urgent task of promoting green and low-carbon transformation. Vehicle manufacturers are actively developing and applying various new technologies to achieve green and low-carbon transformation, the most notable of which are electric vehicle technology, hybrid vehicle technology and fuel cell vehicle technology. With the application of new technologies, moving towards new energy has become a consensus in the vehicle industry, and with the increasing penetration of new energy microvans, micro trucks, small trucks and light trucks, market competition has entered a white-hot stage. As the core competitiveness of new energy vehicles, the power architecture has formed a trend of high integration with cost reduction, weight reduction and efficiency improvement as the core. In related technologies, the integration of the whole vehicle is not high, the structure is heavy, the material cost is high, the layout is complex and messy and unsightly. Summary of the invention

[0003] The present application provides an improved vehicle.

[0004] The present application provides a vehicle, comprising:

[0005] A power structure, comprising a frame assembly extending from the front to the rear of the vehicle and a front axle suspension and a rear axle suspension assembled on the frame assembly, wherein the front axle suspension is disposed near the front and the rear axle suspension is disposed near the rear; and

[0006] A power assembly is assembled in the power structure and is located between the front axle suspension and the rear axle suspension; the power assembly includes a power battery and a drive motor, the power battery includes a battery pack and a domain controller, the battery pack and the domain controller are integrated in the same module, and the drive motor is located between the power battery and the rear axle suspension.

[0007] Preferably, the battery pack is arranged close to the front axle suspension, and the domain controller is arranged close to the rear axle suspension, and the battery pack and the domain controller are fixed by a locking plate buckle.

[0008] Preferably, the domain controller is arranged close to the drive motor relative to the battery pack, and the domain controller is electrically connected to the drive motor via a three-phase line.

[0009] Preferably, the power component includes a shell; the domain controller includes a drive control module, a charging control module, a low-voltage control module and a power distribution management module, and the drive control module, the charging control module, the low-voltage control module and the power distribution management module are integrated in the same shell.

[0010] Preferably, the power assembly includes a high-voltage copper busbar and multiple fast-charging interfaces, and the multiple fast-charging interfaces are located on a side of the battery pack close to the front axle suspension; the battery pack is electrically connected to the drive control module through the high-voltage copper busbar, and the battery pack is electrically connected to the multiple fast-charging interfaces through the high-voltage copper busbar.

[0011] Preferably, the power assembly further includes a plurality of contactors, and the plurality of contactors and the domain controller are integrated in the same housing.

[0012] Preferably, the contactor includes a main contactor, and the high-voltage copper busbar connected to the battery pack and the high-voltage copper busbar connected to the drive control module are electrically connected through the main contactor.

[0013] Preferably, the contactor includes a fast-charging contactor, and the high-voltage copper busbar connected to the battery pack is electrically connected to the high-voltage copper busbar connected to the multiple fast-charging interfaces via the fast-charging contactor.

[0014] Preferably, the power assembly includes a low-voltage copper busbar and a power interface, and the power interface is arranged on a side of the battery pack close to the front axle suspension; the charging control module is electrically connected to the power interface through the low-voltage copper busbar.

[0015] Preferably, the power assembly includes a low-voltage copper busbar and a plurality of low-voltage electrical equipment interfaces, and the plurality of low-voltage electrical equipment interfaces are arranged on a side of the battery pack close to the front axle suspension; the power distribution management module is electrically connected to the low-voltage electrical equipment interface through the low-voltage copper busbar.

[0016] Preferably, the vehicle includes an electronically controlled cooling pipeline filled with coolant; the drive control module and the charging control module share the same electronically controlled cooling pipeline for heat dissipation.

[0017] Preferably, the electronically controlled cooling pipeline includes a first connecting end and a second connecting end; the frame assembly is a pair of frame pipelines, the interior of the frame pipeline is a hollow structure, and one end of the pair of frame pipelines close to the rear axle suspension is respectively connected to the first connecting end and the second connecting end, so that the pair of frame pipelines are connected to the electronically controlled cooling pipeline to form a cooling circulation pipeline, and the cooling circulation pipeline is filled with coolant.

[0018] Preferably, the vehicle further comprises a cooling system, which is assembled on the frame assembly and disposed close to the front of the vehicle.

[0019] Preferably, the vehicle includes a battery cooling pipeline filled with coolant; the battery pack includes a plurality of battery cells, and the plurality of battery cells dissipate heat through the same battery cooling pipeline; wherein the inlet end and the outlet end of the battery cooling pipeline are respectively connected to the cooling system and are both located on the same side of the battery pack.

[0020] Preferably, the vehicle comprises a cooling circulation pipeline, an inlet end and an outlet end of the cooling circulation pipeline are respectively connected to the cooling system and are both located on the same side of the battery pack.

[0021] The vehicle of the embodiment of the present application includes a power structure and a power component assembled in the power structure. The power structure includes a frame assembly, a front axle suspension and a rear axle suspension. The power component is assembled in the power structure and is located between the front axle suspension and the rear axle suspension. The power component includes a power battery and a drive motor. The power battery includes a battery pack and a domain controller. The battery pack and the domain controller are integrated in the same module, and the drive motor is located between the power battery and the rear axle suspension. In this way, the whole vehicle is designed in an integrated and one-piece manner, which improves the integration and space utilization of the whole vehicle, makes the layout of the whole vehicle compact, and reduces cost and weight. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Shown is a schematic structural diagram of an embodiment of a vehicle of the present application.

[0023] Figure 2 Shown Figure 1 A schematic structural diagram of an embodiment of a power assembly of a vehicle is shown.

[0024] Reference numerals:

[0025] Vehicle 1, power structure 10, frame assembly 101, front axle suspension 102, rear axle suspension 103, front wheel 104, rear wheel 105, wiring slot 106, frame pipeline 107, power assembly 20, power battery 201, drive motor 202, battery pack 203, domain controller 204, locking plate 205, housing 206, drive control module 207, charging control module 208, low voltage control module 209, power distribution management module 210, high voltage copper Bus 211, fast charging interface 212, contactor 213, main contactor 214, fast charging contactor 215, low-voltage copper bus 216, power interface 217, low-voltage electrical equipment interface 218, battery cell 219, electronically controlled cooling pipeline 301, first connection end 302, second connection end 303, cooling circulation pipeline 304, inlet end 304a, outlet end 304b, battery cooling pipeline 305, inlet end 305a, outlet end 305b, front A, rear B. DETAILED DESCRIPTION

[0026] The vehicle of the present application is described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the features of the following embodiments and implementations can be combined with each other.

[0027] Figure 1 Shown is a schematic structural diagram of an embodiment of the vehicle 1 of the present application. Figure 2 Shown Figure 1 FIG. 1 is a schematic diagram of a structure of an embodiment of a power assembly 20 of a vehicle 1. Figure 1 As shown, the vehicle 1 includes a power structure 10 and a power assembly 20, and the power assembly 20 is assembled on the power structure 10. The vehicle 1 of this embodiment can be at least one electric vehicle among a minivan, a mini truck, a small truck, and a light truck. The power structure 10 supports and fixes the power assembly 20. The power assembly 20 provides transportation power for the vehicle 1.

[0028] exist Figure 1 In the illustrated embodiment, the power structure 10 includes a frame assembly 101 extending from the front A to the rear B of the vehicle 1 and a front axle suspension 102 and a rear axle suspension 103 assembled on the frame assembly 101. The front axle suspension 102 is arranged near the front A, and the rear axle suspension 103 is arranged near the rear B. A pair of front wheels 104 are connected to both ends of the front axle suspension 102. A pair of rear wheels 105 are connected to both ends of the rear axle suspension 103. The power assembly 20 is located between the front axle suspension 102 and the rear axle suspension 103. That is, the power assembly 20 is arranged between the pair of front wheels 104 and the pair of rear wheels 105. In other words, the power assembly 20 is arranged in the middle area of ​​the vehicle 1. Since the volume and weight of the power assembly 20 are relatively large, the power assembly 20 is arranged in the middle area of ​​the vehicle 1, which effectively utilizes the space of the entire vehicle, and makes the center of gravity of the entire vehicle located in the middle area, thereby improving the stability of the vehicle 1.

[0029] exist Figure 1 In the illustrated embodiment, the power assembly 20 includes a power battery 201 and a drive motor 202. The power battery 201 includes a battery pack 203 and a domain controller 204, and the battery pack 203 and the domain controller 204 are integrated in the same module. The integration in the same module here can be understood as integration into the same whole or integration in the same housing. The drive motor 202 is located between the power battery 201 and the rear axle suspension 103. The drive motor 202 is arranged on the rear side of the power battery 201, close to the rear axle suspension 103, to meet the rear-drive requirements of the vehicle 1. In addition, the battery pack 203 and the domain controller 204 in the power battery 201 are designed in an integrated and integrated manner. On the basis of the whole vehicle meeting the rear-drive mode, the integration and space utilization of the whole vehicle can also be improved, the layout of the whole vehicle can be compact, the number of parts can be reduced, the length of the wiring harness can be shortened, and the cost and weight can be reduced.

[0030] exist Figure 1 and Figure 2In the illustrated embodiment, the battery pack 203 is arranged near the front axle suspension 102, and the domain controller 204 is arranged near the rear axle suspension 103. The battery pack 203 is arranged closer to the front of the vehicle A, so as to provide power to the components or parts near the front of the vehicle A area. And the domain controller 204 is arranged closer to the drive motor 202 in the rear area B of the vehicle, so as to facilitate the connection of the lines, save the wiring, and make the structure layout compact. The battery pack 203 and the domain controller 204 are fixed by the locking plate 205 buckle. The locking plate 205 is provided with a positioning component (not shown) and a fixing component (not shown), and the battery pack 203 and the domain controller 204 are fixed by the locking plate 205 buckle, so that they are easy to disassemble and assemble in a limited space, and are firmly fixed.

[0031] exist Figure 1 and Figure 2 In the illustrated embodiment, the domain controller 204 is arranged close to the drive motor 202 relative to the battery pack 203, and the domain controller 204 is electrically connected to the drive motor 202 via a three-phase line. In this arrangement, the domain controller 204 is relatively close to the drive motor 202, and the three-phase line connecting the drive motor 202 is relatively short, which reduces the length of the wire harness, reduces the wire harness loss, saves wiring, improves the integration of the rear drive, and has a compact layout.

[0032] exist Figure 2 In the illustrated embodiment, the power assembly 20 includes a housing 206. The domain controller 204 includes a drive control module 207, a charging control module 208, a low voltage control module 209 and a power distribution management module 210. The drive control module 207 is connected to the battery pack 203 via the power distribution management module 210. The drive control module 207 is used to access the drive motor 202. The charging control module 208 is used to connect the battery and the low voltage electrical equipment. The low voltage control module 209 is electrically connected to the battery pack 203, the charging control module 208, the drive control module 207 and the power distribution management module 210 respectively. The low voltage control module 209 is used to access the voltage of the battery pack 203, and control the charging control module 208 to convert the voltage of the battery pack 203 and output it to the battery and low voltage electrical equipment, and control the power distribution management module 210 to connect the path between the battery pack 203 and the drive control module 207, and control the drive control module 207 to drive the drive motor 202 to operate according to the voltage of the battery pack 203.

[0033] In this embodiment, the low voltage control module 209 is the master of the domain controller 204. For example, the low voltage control module 209 can obtain the signals collected by each control module, and each control system can reuse the collection of the same signal, so that the design of the entire domain controller 204 is more streamlined. In this embodiment, the low voltage control module 209 is used to access the voltage of the battery pack 203, and control the charging control module 208 to convert the voltage of the battery pack 203 into low voltage and output it to the low voltage electrical equipment to power the low voltage electrical equipment; or when it is detected that the battery power of the battery is insufficient, control the charging control module 208 to convert the voltage of the battery pack 203 into low voltage and output it to the battery; or control the charging control module 208 to convert the voltage of the battery into high voltage and output it to the battery pack 203 to charge the battery pack 203. In addition, the low-voltage control module 209 is also used to control the power distribution management module 210 to open the path between the battery pack 203 and the drive control module 207, so that the voltage of the battery pack 203 is output to the drive control module 207 via the power distribution management module 210. It is also used to control the drive control module 207 to drive the motor to run according to the voltage of the battery pack 203, thereby realizing the normal operation of the vehicle control system.

[0034] exist Figure 2 In the illustrated embodiment, the drive control module 207, the charging control module 208, the low voltage control module 209 and the power distribution management module 210 are integrated in the same housing 206. Integrating the drive control module 207, the charging control module 208, the low voltage control module 209 and the power distribution management module 210 of the domain controller 204 in the same housing 206 can reduce the space occupation of the whole vehicle, reduce the design cost, and realize the integrated control design and lightweight design of the whole vehicle. In this embodiment, by integrating the discrete domain controller 204 into an all-in-one integrated control system, and integrating the integrated control system with the battery pack 203, the integrated control system and the battery pack 203 are arranged in the same housing 206, and the high-voltage wiring distance between the integrated control system and the battery pack 203 is shortened, saving the cost of the housing, greatly reducing the volume and weight of the whole vehicle, reducing the number of wiring harnesses, and realizing the integrated control design and lightweight design of the whole vehicle.

[0035] In this embodiment, the low-voltage control module 209 includes a vehicle control circuit, a battery management circuit and a low-voltage control circuit. The vehicle control circuit, the battery management circuit and the low-voltage control circuit are integrated on the same control chip. The vehicle control circuit, the battery management circuit and the low-voltage control circuit are integrated on a control chip with stronger computing power and more powerful functions. The control chip and the vehicle control circuit, the battery management circuit and the low-voltage control circuit on the control chip together constitute the low-voltage control module 209. This shortens the wiring distance between modules in the vehicle-mounted low-voltage control part, saves the number of wiring harnesses between modules in the low-voltage control part, and improves the control time efficiency of the low-voltage control part of the vehicle.

[0036] In this embodiment, the vehicle control circuit is electrically connected to the battery pack 203, the charging control module 208, the drive control module 207 and the power distribution management module 210 respectively. The vehicle control circuit is used to control the charging control module 208 to convert the voltage of the battery pack 203, and control the power distribution management module 210 to conduct the path between the battery pack 203 and the drive control module 207, and control the drive control module 207 to drive the drive motor 202 to operate according to the voltage of the battery pack 203. Among them, the vehicle control circuit is the main brain of the vehicle integrated control system, which is mainly used to control the charging control module 208 to convert the voltage of the battery pack 203 into high voltage and output it to the battery and various low-voltage electrical equipment for charging, or control the charging control module 208 to convert the voltage of the battery into high voltage and output it to the battery pack 203 for charging. In addition, the vehicle control circuit is also used to control the power distribution management module 210 to conduct the path between the battery pack 203 and the drive control module 207 , so that the drive control module 207 drives the drive motor 202 to operate according to the voltage of the battery pack 203 .

[0037] In this embodiment, the charging control module 208 includes a DC conversion circuit and an on-board charger, and the DC conversion circuit and the on-board charger are integrated on the same control board. The DC conversion circuit and the on-board charger are integrated on the same control board, which is the first control board. The first control board and the DC conversion circuit and the on-board charger on the first control board together constitute the charging control module 208. This shortens the wiring distance between modules in the on-board charging control part, saves the number of wiring harnesses between modules in the charging control part, and improves the control time efficiency of the charging control part of the whole vehicle. In addition, integration into the same control board can save a large number of wiring harnesses, reduce the failure rate of the wiring harness connection circuit, and improve quality assurance.

[0038] In this embodiment, the on-board charger is electrically connected to the DC conversion circuit, the DC conversion circuit is electrically connected to the battery pack 203 via the low-voltage control module 209, and the DC conversion circuit is electrically connected to the battery and the low-voltage electrical equipment. The on-board charger is used to control the DC conversion circuit to convert the voltage of the battery pack 203 and output it to the battery and the low-voltage electrical equipment respectively. The DC conversion circuit is implemented using a conversion circuit. In actual applications, the on-board charger is used to control the conversion circuit to convert the voltage of the battery pack 203, and output 12V voltage, 24V voltage, 36V voltage and 48V voltage to the battery and various low-voltage electrical equipment with different functions, respectively, to power the battery and multiple low-voltage electrical equipment.

[0039] In this embodiment, the drive control module 207 includes a drive control circuit and a high-voltage detection circuit, and the drive control circuit and the high-voltage detection circuit are integrated on the same control board. The drive control circuit and the high-voltage detection circuit are integrated on a control board, which is the second control board. The second control board and the drive control circuit and the high-voltage detection circuit on the second control board together constitute the drive control module 207. This shortens the wiring distance between modules in the vehicle-mounted drive control part, saves the number of wiring harnesses between modules in the drive control part, and improves the control time efficiency of the whole vehicle drive control part.

[0040] In this embodiment, the drive control circuit is electrically connected to the low voltage control module 209 and the drive motor 202, respectively, and the drive control circuit is electrically connected to the battery pack 203 via the power distribution management module 210. The high voltage detection circuit is electrically connected to the low voltage control module 209, and the high voltage detection circuit is electrically connected to the battery pack 203 via the power distribution management module 210. The drive control circuit is used to drive the drive motor 202 to operate according to the voltage of the battery pack 203. The high voltage detection circuit is used to detect the voltage of the battery pack 203 and output a detection signal to the low voltage control module 209, so that the low voltage control module 209 detects the working condition of the battery pack 203 according to the detection signal. In this embodiment, the drive control circuit for driving the drive motor 202 to operate and the high voltage detection circuit for detecting the high voltage of the battery are integrated on the second control board, which can not only realize the function of driving the drive motor 202 to operate and the function of detecting the voltage of the battery pack 203, but also realize the function of detecting the state of the relay, the function of detecting the insulation strength and the function of sampling the current of the battery pack 203. The third control board transmits the detection result to the low voltage control module 209 in the form of a detection signal, so that the low voltage control module 209 detects the working condition of the battery pack 203 according to the detection signal.

[0041] In this embodiment, the power distribution management module 210 includes a battery switch circuit and a high-voltage power distribution circuit, and the battery switch circuit and the high-voltage power distribution circuit are integrated on the same control board. The battery switch circuit and the high-voltage power distribution circuit are integrated on a control board, which is the third control board. The third control board and the battery switch circuit and the high-voltage power distribution circuit on the third control board together constitute the power distribution management module 210. This shortens the wiring distance between the modules of the on-board power distribution management part, saves the number of wiring harnesses between the modules of the power distribution management part, and improves the working efficiency of the power distribution management part of the whole vehicle.

[0042] In this embodiment, the battery switch circuit is electrically connected to the low voltage control module 209, the high voltage distribution circuit and the battery pack 203 respectively, and the high voltage distribution circuit is electrically connected to the drive motor 202 via the drive control module 207. The battery switch circuit is used to conduct the path between the battery pack 203 and the high voltage distribution circuit according to the control signal of the low voltage control module 209. The high voltage distribution circuit is used to process the voltage of the battery pack 203 and output it to the drive control module 207, so that the drive control module 207 drives the drive motor 202 to operate. The battery switch circuit is implemented by a relay.

[0043] In actual application, the low voltage control module 209 is connected to the relay and the high voltage distribution circuit through hard wires, and the control signal is transmitted to the relay and the high voltage distribution circuit through hard wires, so that the relay is disconnected / closed according to the control signal, thereby connecting / disconnecting the path between the battery pack 203 and the high voltage distribution circuit. When the relay is closed, the high voltage distribution circuit processes the high voltage according to the voltage of the battery pack 203 and outputs it to the drive motor 202 to drive the drive motor 202 to operate.

[0044] exist Figure 2 In the illustrated embodiment, the power assembly 20 includes a high-voltage copper bus 211 and a plurality of fast-charging interfaces 212. The plurality of fast-charging interfaces 212 are arranged on one side of the battery pack 203 close to the front axle suspension 102. The battery pack 203 is electrically connected to the drive control module 207 through the high-voltage copper bus 211, and the battery pack 203 is electrically connected to the plurality of fast-charging interfaces 212 through the high-voltage copper bus 211. In this way, the plurality of fast-charging interfaces 212 are arranged on one side of the battery pack 203 close to the front axle suspension 102, which is convenient for users to use on the one hand, and saves wiring, shortens the length of the wiring harness, and reduces wiring harness loss on the other hand. In this embodiment, due to the relatively narrow space in the layout of the whole vehicle, the size, bending degree and flexibility should be considered, and the high-voltage copper bus 211 is a better choice. Connecting through the high-voltage copper bus 211 makes installation easy and convenient on the one hand, and on the other hand, it is small in size, good in bending degree and flexibility, stable in connection and simple in wiring.

[0045] exist Figure 2In the illustrated embodiment, the power assembly 20 further includes a plurality of contactors 213, and the plurality of contactors 213 and the domain controller 204 are integrated in the same housing 206. The plurality of contactors 213 and the domain controller 204 are arranged in the same housing 206, so as to effectively utilize the space in the housing 206 and improve the integration. Since the copper busbar has a certain degree of flexibility, volume and bending, the battery pack 203 and the domain controller 204 are electrically connected through the contactor 213, and the assembly is convenient and the connection stability is good in a small space. In some other embodiments, the electrical connection of the copper busbar can also be realized through other electrical connectors, which can reduce the wiring harness and shorten the wiring harness length, and the connection is tight and stable.

[0046] exist Figure 2 In the embodiment shown, the contactor 213 includes a main contactor 214, and the high-voltage copper busbar 211 connected to the battery pack 203 and the high-voltage copper busbar 211 connected to the drive control module 207 are electrically connected through the main contactor 214. In this way, the high-voltage copper busbar 211 is connected through the main contactor 214, and the connection stability is good and the integration is high. Figure 2 In the illustrated embodiment, the contactor 213 includes a fast-charging contactor 215, and the high-voltage copper busbar 211 connected to the battery pack 203 is electrically connected to the high-voltage copper busbar 211 connected to the plurality of fast-charging interfaces 212 through the fast-charging contactor 215. In this configuration, the high-voltage copper busbar 211 is connected through the fast-charging contactor 215, and the connection stability is good, the integration is high, the wiring is easy, and the wiring harness is more concise and regular.

[0047] exist Figure 2 In the illustrated embodiment, the power assembly 20 includes a low-voltage copper busbar 216 and a power interface 217. The power interface 217 is arranged on a side of the battery pack 203 close to the front axle suspension 102. The power interface 217 is used to connect a power source. Since the power supply of the vehicle 1 is arranged close to the front A, the power interface 217 is arranged on a side of the battery pack 203 close to the front axle suspension 102, which is convenient for connection and saves lines. In addition, the charging control module 208 is electrically connected to the power interface 217 through the low-voltage copper busbar 216. The charging control module 208 and the power interface 217 are connected through the low-voltage copper busbar 216, which is convenient for connection and assembly, with high integration and good stability.

[0048] exist Figure 2In the illustrated embodiment, the power assembly 20 includes a low-voltage copper busbar 216 and a plurality of low-voltage electrical equipment interfaces 218. The plurality of low-voltage electrical equipment interfaces 218 are arranged on a side of the battery pack 203 close to the front axle suspension 102. The low-voltage electrical equipment interface 218 is used to connect low-voltage electrical equipment. Since the low-voltage electrical equipment of the vehicle 1 is arranged close to the front A, the plurality of low-voltage electrical equipment interfaces 218 are arranged on a side of the battery pack 203 close to the front axle suspension 102, which is convenient for connection and saves lines. In addition, the power distribution management module 210 is electrically connected to the low-voltage electrical equipment interface 218 via the low-voltage copper busbar 216. The power distribution management module 210 is connected to the low-voltage electrical equipment interface 218 via the low-voltage copper busbar 216, which is convenient for connection and assembly, with high integration and good stability.

[0049] exist Figure 2 In the illustrated embodiment, the power structure 10 further includes wiring slots 106, which are provided on both sides of the battery pack 203. The wiring slots 106 are used to store part of the high-voltage copper busbar 211 and part of the low-voltage copper busbar 216, making the wiring of the whole vehicle compact and easy, the exterior neat and beautiful, and reducing line loss, so as to realize the hidden wiring harness of the whole vehicle and improve the integration of the chassis layout of the whole vehicle. In addition, the exposure of the line is reduced, the line loss is reduced, and the line failure is reduced.

[0050] In the above scheme, the copper busbar replaces the original power line, which is convenient for wiring and connection within a limited space, and it is easy to control the wiring direction, making the entire wiring neat and compact. The copper busbar is small in size, has good bending and flexibility, is easy to wire, has stable connection, low failure rate, and compact structural layout.

[0051] exist Figure 2 In the illustrated embodiment, the vehicle 1 includes an electronically controlled cooling line 301 filled with coolant. The drive control module 207 and the charging control module 208 share the same electronically controlled cooling line 301 for heat dissipation. Since the heat generated by the drive control module 207 and the charging control module 208 is relatively high, it is necessary to add an electronically controlled cooling line 301 for heat dissipation. By dissipating heat from the drive control module 207 and the charging control module 208 through the same electronically controlled cooling line 301, the cooling line setting can be reduced, the layout is simpler and easier, and the cost is reduced.

[0052] exist Figure 2 In the illustrated embodiment, the electrically controlled cooling pipeline 301 includes a first connection end 302 and a second connection end 303. The first connection end 302 and the second connection end 303 are used to connect to an external cooling pipeline, wherein the first connection end 302 is used to connect to a coolant input pipe, and the second connection end 303 is used to connect to a coolant output pipe, and the electrically controlled cooling pipeline 301 is formed by such connection.

[0053] exist Figure 2In the illustrated embodiment, the vehicle 1 further includes a cooling system (not shown), which is assembled to the frame assembly 101 and disposed near the front A of the vehicle. Figure 2 In the embodiment shown, the frame assembly 101 is a pair of frame pipes 107, the interior of the frame pipes 107 is a hollow structure, and one end of the pair of frame pipes 107 close to the rear axle suspension 103 is connected to the first connection end 302 and the second connection end 303 respectively, so that the pair of frame pipes 107 are connected to the electronically controlled cooling pipe 301, and a cooling circulation pipe 304 is formed, and the cooling circulation pipe 304 is filled with coolant. In this arrangement, since the vehicle is rear-wheel drive, the drive control module 207 and the charging control module 208 of the domain controller 204 are located at the rear side of the battery pack 203, and the cooling system is arranged near the front A. If you want to connect the cooling system of the vehicle 1, you may need to add additional cooling pipes, which will increase the cost of the entire vehicle, and you need to consider the space layout. In this embodiment, the hollow frame pipe 107 is connected to the electronically controlled cooling pipe 301 to form a cooling circulation pipe 304, which is located on the peripheral side of the power structure 10, effectively utilizing the frame pipe 107, eliminating the need to add cooling pipes from the front to the rear of the vehicle, saving pipes, and simplifying the pipe layout of the entire vehicle. The frame pipe 107 here not only plays a fixing role, but also plays a cooling role, thereby reducing the heat of the entire vehicle.

[0054] exist Figure 2 In the illustrated embodiment, the vehicle 1 includes a battery cooling line 305, and the battery cooling line 305 is filled with coolant. The battery pack 203 includes a plurality of battery cells 219, and the plurality of battery cells 219 are cooled through the same battery cooling line 305. The battery cooling line 305 cools the plurality of battery cells 219, thereby extending the service life of the battery pack 203.

[0055] exist Figure 2 In the illustrated embodiment, the inlet end 305a and the outlet end 305b of the battery cooling line 305 are respectively connected to the cooling system and are both located on the same side of the battery pack 203. Since the vehicle is rear-wheel drive, the drive control module 207 and the charging control module 208 of the domain controller 204 are located on the rear side of the battery pack 203, and the cooling system is arranged close to the front of the vehicle A. The inlet end 305a and the outlet end 305b of the battery cooling line 305 are arranged on the same side of the battery pack 203 facing the front of the vehicle A, which is convenient for installation, reduces the connection lines, and makes the structure layout compact.

[0056] exist Figure 2In the illustrated embodiment, the inlet end 304a and the outlet end 304b of the cooling circulation pipeline 304 are respectively connected to the cooling system and are both located on the same side of the battery pack 203. Since the vehicle is rear-wheel drive, the driving control module 207 and the charging control module 208 of the domain controller 204 are located on the rear side of the battery pack 203, and the cooling system is arranged close to the front of the vehicle A. The inlet end 304a and the outlet end 304b of the cooling circulation pipeline 304 are arranged on the same side of the battery pack 203 facing the front of the vehicle A, which is convenient for installation, reduces the connection pipelines, and makes the structure layout compact.

[0057] It should be understood that the present application is not limited to the contents described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. A vehicle, characterized in that: include: A power structure, comprising a frame assembly extending from the front to the rear of the vehicle and a front axle suspension and a rear axle suspension assembled on the frame assembly, wherein the front axle suspension is arranged near the front of the vehicle and the rear axle suspension is arranged near the rear of the vehicle; and A power assembly is assembled in the power structure and is located between the front axle suspension and the rear axle suspension; the power assembly includes a power battery and a drive motor, the power battery includes a battery pack and a domain controller, the battery pack and the domain controller are integrated in the same module, and the drive motor is located between the power battery and the rear axle suspension.

2. The vehicle according to claim 1, characterized in that The battery pack is arranged close to the front axle suspension, and the domain controller is arranged close to the rear axle suspension. The battery pack and the domain controller are fixed by locking plate buckles.

3. The vehicle according to claim 1 or 2, characterized in that: The domain controller is arranged close to the drive motor relative to the battery pack, and the domain controller is electrically connected to the drive motor through a three-phase line.

4. The vehicle according to claim 1, characterized in that The power component includes a shell; the domain controller includes a drive control module, a charging control module, a low-voltage control module and a power distribution management module, and the drive control module, the charging control module, the low-voltage control module and the power distribution management module are integrated in the same shell.

5. The vehicle according to claim 4, characterized in that The power assembly includes a high-voltage copper busbar and multiple fast-charging interfaces, and the multiple fast-charging interfaces are located on a side of the battery pack close to the front axle suspension; the battery pack is electrically connected to the drive control module through the high-voltage copper busbar, and the battery pack is electrically connected to the multiple fast-charging interfaces through the high-voltage copper busbar.

6. The vehicle according to claim 5, characterized in that The power assembly further includes a plurality of contactors, and the plurality of contactors and the domain controller are integrated in the same housing; The contactor comprises a main contactor, and the high-voltage copper busbar connected to the battery pack and the high-voltage copper busbar connected to the drive control module are electrically connected through the main contactor; and / or The contactor includes a fast-charging contactor, and the high-voltage copper busbar connected to the battery pack is electrically connected to the high-voltage copper busbar connected to the multiple fast-charging interfaces through the fast-charging contactor.

7. The vehicle according to claim 4, characterized in that The power assembly includes a low-voltage copper busbar and a power interface, wherein the power interface is arranged on a side of the battery pack close to the front axle suspension; the charging control module is electrically connected to the power interface through the low-voltage copper busbar; and / or The power assembly includes a low-voltage copper busbar and a plurality of low-voltage electrical equipment interfaces, and the plurality of low-voltage electrical equipment interfaces are arranged on a side of the battery pack close to the front axle suspension; The power distribution management module is electrically connected to the low-voltage electrical equipment interface through the low-voltage copper busbar.

8. The vehicle according to claim 4, characterized in that The vehicle comprises an electronically controlled cooling pipeline which is filled with coolant; the driving control module and the charging control module share the same electronically controlled cooling pipeline for heat dissipation.

9. The vehicle according to claim 8, characterized in that The electronically controlled cooling pipeline includes a first connecting end and a second connecting end; the frame assembly is a pair of frame pipelines, the interior of the frame pipeline is a hollow structure, and one end of the pair of frame pipelines close to the rear axle suspension is respectively connected to the first connecting end and the second connecting end, so that the pair of frame pipelines are connected to the electronically controlled cooling pipeline to form a cooling circulation pipeline, and the cooling circulation pipeline is filled with coolant.

10. The vehicle according to claim 1, characterized in that The vehicle further includes a cooling system assembled to the frame assembly and disposed near the front of the vehicle; The vehicle comprises a battery cooling pipeline filled with a coolant; the battery pack comprises a plurality of battery cells, and the plurality of battery cells dissipate heat through the same battery cooling pipeline; wherein the inlet end and the outlet end of the battery cooling pipeline are respectively connected to the cooling system and are both located on the same side of the battery pack; and / or The vehicle comprises a cooling circulation pipeline, an inlet end and an outlet end of the cooling circulation pipeline are respectively communicated with the cooling system and are both located on the same side of the battery pack.

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