Integrated control device for automobile and automobile

Abstract

The present invention discloses an integrated control device for an automobile and an automobile. The device includes: an integrated control functional area and a centralized functional area, which are centrally arranged in a housing cavity inside a shell; a control unit for a PDU function, a control unit for a DC-DC power conversion function, a control unit for a battery charging management function, a control unit for a main drive function, and a control unit for an auxiliary drive function, which are integrated and arranged on a mainboard in the integrated control functional area; an execution unit for a PDU function, an execution unit for a DC-DC power conversion function, an execution unit for a battery charging management function, an execution unit for a main drive function, and an execution unit for an auxiliary drive function, which are arranged on the periphery of the mainboard to form a centralized functional area. This solution improves the degree of integration by integrating the control parts of all functional areas used by the automobile's power domain controller on the mainboard inside the shell, and also centrally arranging the execution parts of all functional areas inside the shell.

Description

Technical Field

[0001] The present invention belongs to the field of automobile technology, and specifically relates to an integrated control device for an automobile and an automobile, and more particularly to a highly integrated power domain controller and a new energy vehicle having the highly integrated power domain controller. Background Art

[0002] With the rapid development of new energy vehicles, controllers (such as those used in new energy vehicles) are also rapidly evolving. Today, new energy vehicle controllers are moving toward high power density and high integration. New energy vehicle controllers have evolved from single main drive controllers, oil pump controllers, and air pump controllers to three-in-one controllers and finally to five-in-one controllers, marking a continuous increase in integration. However, within new energy vehicle controllers, control units such as the VCU (vehicle control unit) and BCU (brake management unit) are still independently deployed, resulting in excessive fragmentation and hindering the integration of new energy vehicle controllers.

[0003] The above content is only used to assist in understanding the technical solution of the present invention and does not constitute an admission that the above content is prior art. Summary of the Invention

[0004] The purpose of the present invention is to provide an integrated control device for an automobile and an automobile, so as to solve the problem that in an automobile controller (such as a new energy automobile controller), automobile control units such as VCU and BCU are dispersed, which affects the integration of the new energy automobile controller. The invention achieves the effect of improving the integration of the new energy automobile controller by integrating the control parts of all functional areas used by the new energy automobile controller on the main board inside the shell of the new energy automobile controller, and also concentrating the execution parts of all functional areas inside the shell, thereby avoiding the dispersed arrangement of automobile control units such as VCU and BCU.

[0005] The present invention provides an integrated control device for an automobile, comprising: a power domain controller of the automobile; the functions of the power domain controller include: a PDU function, a DC-DC power conversion function, a battery charging management function, a main drive function, and an auxiliary drive function; the auxiliary drive function includes: an oil pump drive function and an air pump drive function; each function includes: a control unit and an execution unit for the function; the power domain controller includes: a housing, an integrated control function area, and a centralized function area; wherein the interior of the housing has a housing cavity; the integrated control function area and the centralized function area are centrally arranged in the housing cavity; in the integrated control function area , provided with a main board; the control unit of the PDU function, the control unit of the DC-DC power conversion function, the control unit of the battery charging management function, the control unit of the main drive function, and the control unit of the auxiliary drive function are integrated on the main board; the execution unit of the PDU function, the execution unit of the DC-DC power conversion function, the execution unit of the battery charging management function, the execution unit of the main drive function, and the execution unit of the auxiliary drive function are arranged on the periphery of the main board to form the centralized functional area; the execution unit of each function in the centralized functional area is electrically connected to the control unit of the corresponding function on the main board.

[0006] In some embodiments, the functions of the power domain controller of the automobile further include: VCU function; the functional area where the VCU function is located is also arranged in the integrated control functional area; the VCU function is implemented by a VCU control unit; the control unit of the PDU function includes: a PDU detection unit and a PDU control unit, and the PDU detection unit is electrically connected to the PDU control unit; the control unit of the DC-DC power conversion function includes: a DC-DC control unit; the control unit of the battery charging management function includes: a battery charging functional area detection unit and a battery charging functional area control unit; the battery charging functional area detection unit is electrically connected to the battery charging functional area control unit; The control unit of the main drive function includes: a main drive control unit; the control unit of the auxiliary drive function includes: an auxiliary drive control unit; the auxiliary drive control unit includes: an air pump control unit and an oil pump control unit; wherein the PDU detection unit, the PDU control unit, the DC-DC control unit, the battery charging function area detection unit, the battery charging function area control unit, the main drive control unit, the auxiliary drive control unit, and the VCU control unit are integrated on the main board; and the PDU control unit, the DC-DC control unit, the battery charging function area control unit, the main drive control unit, and the auxiliary drive control unit are electrically connected to the VCU control unit, respectively.

[0007] In some embodiments, the accommodating cavity includes: a first cavity, a second cavity, a third cavity and a fourth cavity; wherein, the second cavity is located at the lower part of the first cavity; the third cavity is located at the left part of the first cavity; the fourth cavity is located at the lower part of the third cavity and at the left part of the second cavity; the integrated control functional area and the centralized functional area are concentrated in the first cavity, the second cavity, the third cavity and the fourth cavity in the accommodating cavity.

[0008] In some embodiments, the components in the first cavity, the third cavity, and the fourth cavity are installed upward; and the components in the second cavity are installed downward.

[0009] In some embodiments, the first cavity includes: a first upper cavity and a first lower cavity; the first upper cavity and the first lower cavity are arranged up and down; a main control support sheet metal is arranged between the first upper cavity and the first lower cavity; when the PDU detection unit, PDU control unit, DC-DC control unit, battery charging function area detection unit, battery charging function area control unit, main drive control unit, auxiliary drive control unit, and VCU control unit in the functions of the power domain controller of the automobile are integrated on the main board, the main board is arranged in the first upper cavity; the main control support sheet metal can support the main board; the execution unit of the main drive function includes: a main drive unit; the main drive unit includes: a DC bus capacitor and an inverter unit; the DC bus capacitor and the inverter unit are arranged in the first lower cavity.

[0010] In some embodiments, the execution mechanism of the battery charging management function includes: a battery charging control relay group; the battery charging control relay group is arranged in the third cavity.

[0011] In some embodiments, the execution unit of the DC-DC power conversion function includes: a DC-DC power conversion unit; the execution unit of the auxiliary drive function includes: an oil pump drive unit and an air pump drive unit; wherein, the DC-DC power conversion unit, the oil pump drive unit and the air pump drive unit are arranged in the second cavity.

[0012] In some embodiments, the accommodating area of the second cavity includes: a first area, a second area and a third area; the second area and the third area are arranged in parallel; the first area is located on one side of the second area and the third area; in the second cavity, the DC-DC power conversion unit is arranged in the first area of the second cavity; one of the oil pump drive unit and the air pump drive unit is arranged in the second area; the other of the oil pump drive unit and the air pump drive unit is arranged in the third area.

[0013] In some embodiments, the third cavity and the fourth cavity are isolated by a PDU support sheet metal; the execution unit of the PDU function includes: a PDU control relay and a PDU fuse; the PDU control relay and the PDU fuse are supported by the PDU support sheet metal and are arranged in the third cavity; the PDU control relay and the PDU fuse are electrically connected.

[0014] In some embodiments, in the first cavity, the second cavity, the third cavity and the fourth cavity, except for the first cavity and the fourth cavity, the adjacent two cavities in the remaining cavities are isolated by metal shells and / or metal sheet metal parts.

[0015] Matching the above-mentioned device, the present invention further provides an automobile, comprising: the above-mentioned integrated control device for the automobile.

[0016] Thus, the solution of the present invention achieves the integrated arrangement of the functional areas used by the new energy vehicle controller, such as the VCU functional area, PDU functional area, main drive functional area, auxiliary drive functional area, DC-DC power conversion functional area, and battery charging management functional area, by integrating the control parts of the functional areas used by the new energy vehicle controller, such as the VCU functional area, PDU functional area, main drive functional area, auxiliary drive functional area, DC-DC power conversion functional area, and battery charging management functional area, on the main board inside the housing of the new energy vehicle controller, and centrally arranging the execution parts of all the functional areas inside the housing. Thus, by integrating the control parts of the functional areas used by the new energy vehicle controller on the main board inside the housing of the new energy vehicle controller, and centrally arranging the execution parts of all the functional areas inside the housing, the VCU, BCU and other vehicle control units are avoided from being dispersed, thereby improving the integration of the new energy vehicle controller. At the same time, the vibration resistance of the new energy vehicle controller is also improved.

[0017] Other features and advantages of the present invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the present invention.

[0018] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic structural diagram of an embodiment of an integrated control device for an automobile according to the present invention;

[0020] Figure 2 A schematic diagram of the connection relationship of the integrated control functional areas of an embodiment of a highly integrated power domain controller;

[0021] Figure 3 A schematic structural diagram of an integrated unit composed of an integrated control functional area of an embodiment of a highly integrated power domain controller;

[0022] Figure 4 A schematic diagram of the cavity division structure inside the housing of an embodiment of a highly integrated power domain controller, including: (a) a schematic diagram of the structure of the cavity division model inside the housing; (b) a schematic diagram of the cross-sectional structure of the interior space of the housing;

[0023] Figure 5 This is a schematic diagram of the three-dimensional structure of a circuit board of an embodiment of a highly integrated power domain controller, mainly showing a schematic diagram of the layout of the lower layer of cavity A;

[0024] Figure 6 This is a schematic diagram of the structure of the first part of the circuit board of one embodiment of a highly integrated power domain controller, primarily a schematic diagram of the layout of cavity B. (a) is a schematic diagram of the overall planar structure of the first part of the circuit board, and (b) is a schematic diagram of a partial structure of the first part.

[0025] Figure 7 This is a structural schematic diagram of the second part of the circuit board of an embodiment of a highly integrated power domain controller, mainly a layout schematic diagram of the upper layer of cavity A; wherein, (a) is a schematic diagram of the overall planar structure of the second part of the circuit board, (b) is a schematic diagram of the first local structure of the second part, and (c) is a schematic diagram of the second local structure of the second part.

[0026] In conjunction with the accompanying drawings, the reference numerals in the embodiments of the present invention are as follows:

[0027] 1-DC bus capacitor; 2-inverter unit; 3-battery charging control relay; 4-DC-DC power conversion unit; 5-oil pump drive unit; 6-air pump drive unit; 7-integrated control function area; 8-main control support sheet metal; 9-PDU control relay; 10-PDU fuse; 11-PDU support sheet metal. DETAILED DESCRIPTION

[0028] To make the objectives, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with specific embodiments of the present invention and corresponding drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] When VCU, BCU and other automobile control units are installed in a dispersed manner, the docking distance between VCU, BCU and other automobile control units is far, there are many docking sockets and the lead distance is long. As new energy vehicles vibrate frequently during operation, the risk of loosening and damage of the plugs of the docking sockets is high, and the possibility of introducing interference is greatly increased, affecting the working reliability of the new energy vehicle controller.

[0030] Considering the decentralized installation of VCUs, BCUs, and other automotive control units, these units require remote docking, resulting in numerous docking sockets, long lead lengths, and high costs. Furthermore, as new energy vehicles experience frequent vibrations during long-term operation, the risk of loosening and damage to the docking socket plugs increases, significantly increasing the likelihood of interference, impacting the reliability of new energy vehicle controllers. The present invention provides an integrated automotive control device, such as a highly integrated power domain controller.

[0031] According to an embodiment of the present invention, an integrated control device for an automobile is provided. Figure 1 The following is a schematic diagram of the structure of an embodiment of the device of the present invention. This integrated control device for an automobile includes: a power domain controller for the automobile; the functions of the power domain controller include: a PDU function, a DC-DC power conversion function, a battery charging management function, a main drive function, and an auxiliary drive function. The auxiliary drive function includes: an oil pump drive function and an air pump drive function. Each function includes: a control unit and an execution unit for that function.

[0032] The power domain controller includes a housing, an integrated control functional area, and a centralized functional area. The components arranged in the integrated control functional area are used to implement the control portion of the vehicle's power domain controller's functions. The components arranged in the centralized functional area are used to implement the execution portion of the vehicle's power domain controller's functions.

[0033] The interior of the housing has a housing cavity, and the integrated control functional area and the centralized functional area are centrally arranged in the housing cavity.

[0034] A mainboard is provided in the integrated control function area. The control unit for the PDU function, the control unit for the DC-DC power conversion function, the control unit for the battery charging management function, the control unit for the main drive function, and the control unit for the auxiliary drive function are integrated on the mainboard.

[0035] The execution unit for the PDU function, the execution unit for the DC-DC power conversion function, the execution unit for the battery charging management function, the execution unit for the main drive function, and the execution unit for the auxiliary drive function are arranged on the periphery of the mainboard to form the centralized functional area. The execution unit for each function in the centralized functional area is electrically connected to the control unit of the corresponding function on the mainboard.

[0036] The solution of the present invention provides a highly integrated power domain controller, which integrates all the control functions required for a new energy vehicle, solves the problem of over-dispersion of vehicle control units in related solutions, and improves the integration of new energy vehicle controllers.

[0037] Figure 2 The diagram of the connection relationship of the integrated control functional area of an embodiment of a highly integrated power domain controller is shown in FIG. The solution of the present invention realizes the high integration of the power domain controller functions, such as Figure 2 As shown, the main functional areas inside the power domain controller include: VCU functional area, PDU functional area, main drive functional area, auxiliary drive functional area (oil pump drive unit, air pump drive unit), DC-DC power conversion functional area, and battery charging management functional area. They are electrically connected to the integrated control functional area and are all controlled by the integrated control functional area.

[0038] The power domain controller includes the VCU (vehicle controller unit), the PDU (energy distribution unit), the main drive, auxiliary drive (such as the oil pump drive unit and air pump drive unit), the DC-DC power conversion, and the battery charge management. This integrated design solves the previous problem of requiring separate installations for the vehicle controller and auxiliary drive controllers, saving interior vehicle installation space and eliminating the need for numerous external wiring connections between the various controllers. This significantly reduces the potential for external interference, improves the system's EMC performance, and increases the power density of new energy vehicle controllers.

[0039] Power density refers to power / volume. In related solutions, a car requires a vehicle control unit (VCU), a main drive controller (MCU), a battery management system (BMS), an auxiliary drive controller, and so on. However, compared to separate installation methods, the solution of the present invention improves the integration of the power domain controller, reducing its overall volume. This can be considered an improvement in power density, meaning that the increased integration also increases power density.

[0040] In some embodiments, the functions of the vehicle's power domain controller also include: a VCU function. The functional area where the VCU function is located (i.e., the VCU functional area) is also located in the integrated control functional area. The VCU function is implemented by a VCU control unit.

[0041] The control unit of the PDU function includes: a PDU detection unit and a PDU control unit, and the PDU detection unit is electrically connected to the PDU control unit.

[0042] The control unit for the DC-DC power conversion function includes: a DC-DC control unit.

[0043] The control unit for the battery charging management function includes: a battery charging function area detection unit and a battery charging function area control unit. The battery charging function area detection unit and the battery charging function area control unit are electrically connected.

[0044] The control unit of the main drive function includes: a main drive control unit.

[0045] The auxiliary drive control unit includes: an auxiliary drive control unit. The auxiliary drive control unit includes: an air pump control unit and an oil pump control unit.

[0046] The PDU detection unit, the PDU control unit, the DC-DC control unit, the battery charging functional area detection unit, the battery charging functional area control unit, the main drive control unit, the auxiliary drive control unit, and the VCU control unit are integrated on the mainboard. Furthermore, the PDU control unit, the DC-DC control unit, the battery charging functional area control unit, the main drive control unit, and the auxiliary drive control unit are electrically connected to the VCU control unit, respectively. By electrically connecting the control units within the mainboard, the need for long-distance wires to communicate and electrically connect the control units is eliminated, significantly reducing complexity and size.

[0047] Figure 3 This is a schematic diagram of the structure of an integrated unit composed of an integrated control functional area of an embodiment of a highly integrated power domain controller. Figure 3As shown, the integrated control functional area is divided into the following units: PDU control unit, main drive control unit, auxiliary drive control unit (such as oil pump control unit, air pump control unit), charging management control unit (such as DC-DC control unit, battery charging functional area control unit), PDU detection unit, charging management detection unit (such as current detection unit, battery charging functional area detection unit). Compared with the related solutions in which each functional area is independently distributed and installed in the vehicle, the power domain controller proposed in the solution of the present invention is highly integrated, which can greatly reduce wiring and reduce the possibility of introducing external interference.

[0048] This achieves a highly integrated power domain controller, eliminating the separate vehicle controller and auxiliary drive controllers typically found in related solutions, saving space within the vehicle. This also avoids long wiring connections, facilitating communication and coordination between vehicle control units. It also reduces external interference, minimizes energy loss on the wiring, and significantly enhances immunity to external interference. This eliminates the need for numerous external wiring connections between other controllers, significantly minimizing the potential for external interference and improving the vehicle's EMC (electromagnetic compatibility) performance.

[0049] In some embodiments, the accommodating cavity includes: a first cavity, a second cavity, a third cavity, and a fourth cavity. The first cavity is such as cavity A, the second cavity is such as cavity B, the third cavity is such as cavity C, and the fourth cavity is such as cavity D.

[0050] The second cavity is located below the first cavity, the third cavity is located to the left of the first cavity, and the fourth cavity is located below the third cavity and to the left of the second cavity.

[0051] The integrated control functional area and the centralized functional area are centrally arranged in the first cavity, the second cavity, the third cavity and the fourth cavity in the accommodating cavity.

[0052] In the controller design of related solutions, the design of positive and negative cavities has become the mainstream. Figure 4 The following is a schematic diagram of the cavity division structure inside the shell of an embodiment of a highly integrated power domain controller, wherein (a) is a schematic diagram of the structure of the cavity division model inside the shell, and (b) is a schematic diagram of the cross-sectional structure of the internal space of the shell. Figure 4 As shown, the design of the power domain controller proposed in the solution of the present invention divides the internal space of the shell into four cavities, such as cavity A, cavity B, cavity C and cavity D.

[0053] In the present invention, different functional areas are installed relatively independently in space, facilitating both initial installation and subsequent maintenance and replacement. These functional areas refer to the areas where the components installed in cavities A, B, C, and D house the different control units. These control units have different functions, hence the term "functional areas."

[0054] Thus, the solution of the present invention adopts a novel structural design, which not only ensures a high degree of integration of functional areas, but also makes the different functional areas within the power domain controller independent of each other, which is conducive to the formation of a standardized modular design. The entire main control structure of the power domain controller is a brand-new structure, which achieves a high degree of integration of more functional areas. The internal functional areas are spatially independent of each other, which is easy to install and facilitates the formation of a standardized design. This structural design ensures that most components are placed on the front as much as possible. This layout greatly improves the components' resistance to impact and vibration.

[0055] In some embodiments, the components in the first, third, and fourth cavities are installed upward. The components in the second cavity are installed downward. The terms "upward" and "downward" are relative. "Upward" means that when the motherboard is placed face-up, the tops of the components are also arranged upward.

[0056] In the solution of the present invention, the structure of the power domain controller is a brand-new design. Specifically, the power domain controller adopts a four-cavity (such as cavity A, cavity B, cavity C and cavity D) installation structure. Except for the components in cavity B, which need to be installed downward, it can ensure that the components in other cavities (such as cavity A, cavity C and cavity D) are installed upward, which is beneficial to anti-vibration and anti-impact, and greatly enhances the anti-vibration ability of the components. Different control units are integrated, functional modules are integrated, and communications are completed internally, which greatly reduces the possibility of external interference. The problem of too many components being installed downward and too much coupling of functional blocks is solved, so that the anti-vibration ability and safety performance of the controller are greatly enhanced, and the subsequent installation and maintenance work can be more convenient.

[0057] The power domain controller's housing is divided into four chambers to accommodate the various functional areas within them, achieving functional and spatial independence. This design also facilitates process flow determination, production line scheduling, and mass production assembly. This design ensures that all molded components can be installed with the orientation facing upward, significantly reducing stress (force / load area) on the components. For example, when a relay is installed with the orientation facing upward, the weight of the relay is distributed across a large area at the bottom (see the relay diagram at the end), resulting in minimal stress on the bottom surface. However, when the relay is installed in reverse, the entire weight of the relay is borne entirely by the two diagonal mounting holes. The load area is now approximately the size of the M5 screw head, which is quite small, resulting in significantly greater stress on the holes.

[0058] When a car vibrates during operation, the vibration will give the relay a momentum. According to the momentum theorem (m*v=F*t, mass*velocity=force*action time), a sustained force is required to offset this momentum. As described in the above embodiment, when installed in the forward direction, the sum of this force and gravity can be borne by the entire bottom surface, but after reverse installation, the two forces can only be borne by the two fixing holes. It can be seen that the shorter the force time (that is, the greater the acceleration generated by the vibration), the greater the force. Under normal circumstances, the acceleration generated by vibration can usually reach 3-5 times the acceleration of gravity. Therefore, the reverse installation will bear greater stress during vibration, and thus the vibration resistance is greatly enhanced when installed in the forward direction.

[0059] In some embodiments, the first cavity includes a first upper cavity and a first lower cavity. The first upper cavity and the first lower cavity are arranged one above the other. A main control support sheet metal part 8 is arranged between the first upper cavity and the first lower cavity.

[0060] When the functions of the power domain controller of the automobile, including the PDU detection unit, PDU control unit, DC-DC control unit, battery charging function area detection unit, battery charging function area control unit, main drive control unit, auxiliary drive control unit, and VCU control unit, are integrated on a mainboard, the mainboard is disposed in the first upper cavity. The main control support sheet metal member 8 is capable of supporting the mainboard.

[0061] The main drive function execution unit includes: a main drive unit. The main drive unit includes: a DC bus capacitor 1 and an inverter unit 2. The DC bus capacitor 1 and the inverter unit 2 are arranged in the first lower cavity.

[0062] Cavity A is divided into two layers using sheet metal. Figure 5This is a schematic diagram of the three-dimensional structure of a circuit board of an embodiment of a highly integrated power domain controller, mainly a schematic diagram of the layout of the lower layer of cavity A. Figure 5 The main drive unit is installed in the lower layer of cavity A. The main drive unit is mainly composed of a DC bus capacitor 1 and an inverter unit 2. Figure 5 In the cavity A shown in the figure, an integrated control functional area is installed above the inverter unit 2 through the main control support sheet metal 8. The integrated control functional area serves as the absolute core of the entire machine and controls all functional areas.

[0063] In some embodiments, the battery charging management function execution mechanism is disposed in the third cavity. The battery charging management function execution mechanism includes: a battery charging control relay group. The battery charging control relay group is disposed in the third cavity.

[0064] The battery charging management functional area is installed in cavity C, such as Figure 5 As shown, the main components in the cavity C are a battery charging control relay group, such as the battery charging control relay group composed of the battery charging control relay 3.

[0065] In some embodiments, the execution unit of the DC-DC power conversion function includes: a DC-DC power conversion unit 4.

[0066] The execution unit of the auxiliary drive function includes: an oil pump drive unit 5 and an air pump drive unit 6.

[0067] The DC-DC power conversion unit 4 , the oil pump drive unit 5 and the air pump drive unit 6 are arranged in the second cavity.

[0068] Figure 6 This is a schematic diagram of the structure of the first part of the circuit board of an embodiment of a highly integrated power domain controller, mainly a schematic diagram of the layout of cavity B. Among them, (a) is a schematic diagram of the overall planar structure of the first part of the circuit board, and (b) is a schematic diagram of the local structure of the first part. Figure 6 Cavity B is located on the back of cavity A. All components in cavity B are installed downward, mainly including a DC-DC power conversion unit 4, an oil pump drive unit 5, and an air pump drive unit 6.

[0069] In some embodiments, the accommodating area of the second cavity includes: a first area, a second area, and a third area. The second area and the third area are arranged in parallel. The first area is located on one side of the second area and the third area, such as a side close to the edge of the housing.

[0070] In the second cavity, the DC-DC power conversion unit 4 is disposed in the first area of the second cavity. One of the oil pump drive unit 5 and the air pump drive unit 6 is disposed in the second area. The other of the oil pump drive unit 5 and the air pump drive unit 6 is disposed in the third area.

[0071] In some alternative embodiments, the positions of the oil pump drive unit 5 and the air pump drive unit 6 may be interchanged.

[0072] In some embodiments, the third cavity and the fourth cavity are isolated by a PDU supporting sheet metal 11 .

[0073] The PDU function execution unit is supported by the PDU support sheet metal 11 and is disposed in the third cavity. The PDU function execution unit includes: a PDU control relay 9 and a PDU fuse 10. The PDU control relay 9 and the PDU fuse 10 are supported by the PDU support sheet metal 11 and disposed in the third cavity. The PDU control relay 9 and the PDU fuse 10 are electrically connected.

[0074] Figure 7 This is a schematic diagram of the structure of the second part of the circuit board of an embodiment of a highly integrated power domain controller, mainly a schematic diagram of the layout of the upper layer of cavity A. Among them, (a) is a schematic diagram of the overall planar structure of the second part of the circuit board, (b) is a schematic diagram of the first partial structure of the second part, and (c) is a schematic diagram of the second partial structure of the second part. The upper layer of cavity A, such as Figure 7 The integrated control function area 7 is supported by the main control support sheet metal 8. The integrated control function area is the absolute core of the whole machine and controls and monitors all functional areas. Figure 7 Cavity D is located above cavity C, and the two cavities (ie, cavity C and cavity D) are isolated by the PDU support sheet metal 11.

[0075] The components in cavity C are mounted on the PDU support sheet metal 11, on which the PDU functional area is mounted. The main components in the PDU functional area include the PDU control relay 9 and the PDU fuse 10, which are electrically connected using wires.

[0076] In some embodiments, in the first cavity, the second cavity, the third cavity and the fourth cavity, except for the first cavity and the fourth cavity, the adjacent two cavities in the remaining cavities are isolated by metal shells and / or metal sheet metal parts.

[0077] In the solution of the present invention, except for cavity A and cavity D, other cavities (such as cavity B and cavity C) are well isolated by metal shells and metal sheet metal parts, shielding internal interference signals and improving the EMC performance inside the new energy vehicle controller.

[0078] Among them, cavity A and cavity D are respectively on the opposite side and above cavity B and cavity C. The components in the cavity D area are fixed on the sheet metal and then placed above cavity C. The area above cavity B and cavity C is divided into cavity A and cavity D by a dividing line.

[0079] See also Figures 4 to 7 In the example shown, the biggest difference between the design of the solution of the present invention and the original structure of the power domain controller in the related solution is that most components can be installed upward, especially for components that are injection-molded, large in size, and heavy. This can greatly increase their ability to resist impact and vibration, and greatly improve the overall safety of the controller.

[0080] In the solution of the present invention, the internal cavity of the power domain controller housing is differently distributed, resulting in a higher level of integration and stronger resistance to external interference. This provides significant advantages in component assembly and improved vibration resistance. This improves overall assembly efficiency, enhances vibration damage resistance, increases controller integration, reduces external interference, reduces energy consumption, and ensures safety.

[0081] The technical solution of the present invention integrates the control parts of the VCU, PDU, main drive, auxiliary drive, DC-DC power conversion, and battery charging management functional areas in the new energy vehicle controller onto a mainboard inside the housing of the new energy vehicle controller, and centrally arranges the execution parts of all these functional areas inside the housing. This achieves the integrated arrangement of the VCU, PDU, main drive, auxiliary drive, DC-DC power conversion, and battery charging management functional areas in the new energy vehicle controller. Thus, by integrating the control parts of the functional areas of the new energy vehicle controller onto a mainboard inside the housing of the new energy vehicle controller, and centrally arranges the execution parts of all these functional areas inside the housing, the dispersed arrangement of vehicle control units such as the VCU and BCU is avoided, thereby improving the integration of the new energy vehicle controller. At the same time, the vibration resistance of the new energy vehicle controller is also improved.

[0082] According to an embodiment of the present invention, a car corresponding to the integrated control device of the car is also provided. The car may include: the integrated control device of the car described above.

[0083] Since the processing and functions implemented by the automobile of this embodiment basically correspond to the embodiments, principles and examples of the device, for details not fully described in this embodiment, please refer to the relevant descriptions in the aforementioned embodiments and will not be repeated here.

[0084] By adopting the technical solution of the present invention, the control parts of the functional areas used in the new energy vehicle controller, such as the VCU functional area, the PDU functional area, the main drive functional area, the auxiliary drive functional area, the DC-DC power conversion functional area, and the battery charging management functional area, are integrated on the main board inside the shell of the new energy vehicle controller, and the execution parts of all the functional areas are also concentrated inside the shell, thereby realizing the integrated setting of the functional areas used in the new energy vehicle controller, such as the VCU functional area, the PDU functional area, the main drive functional area, the auxiliary drive functional area, the DC-DC power conversion functional area, and the battery charging management functional area, which greatly reduces the possibility of introducing external interference, improves the integration of the new energy vehicle controller, and improves the EMC performance of the system.

[0085] In summary, it is easy for those skilled in the art to understand that, under the premise of no conflict, the above-mentioned advantageous methods can be freely combined and superimposed.

[0086] The foregoing description is merely an embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of the claims.

Claims

1. An integrated control device for an automobile, characterized in that: include: a power domain controller of the automobile; The functions of the power domain controller include: PDU function, DC-DC power conversion function, battery charging management function, main drive function and auxiliary drive function; the auxiliary drive function includes: oil pump drive function and air pump drive function; each function includes: a control unit and an execution unit of the function; The power domain controller includes: a housing, an integrated control functional area, and a centralized functional area; wherein, The interior of the housing has a receiving cavity; the integrated control functional area and the centralized functional area are centrally arranged in the receiving cavity; In the integrated control function area, a main board is provided; a control unit for the PDU function, a control unit for the DC-DC power conversion function, a control unit for the battery charging management function, a control unit for the main drive function, and a control unit for the auxiliary drive function are integrated on the main board; The execution unit of the PDU function, the execution unit of the DC-DC power conversion function, the execution unit of the battery charging management function, the execution unit of the main drive function, and the execution unit of the auxiliary drive function are arranged on the periphery of the mainboard to form the centralized functional area; the execution unit of each function in the centralized functional area is electrically connected to the control unit of the corresponding function on the mainboard.

2. The integrated control device for a vehicle according to claim 1, characterized in that: The functions of the power domain controller of the automobile further include: VCU function; the functional area where the VCU function is located is also set in the integrated control functional area; the VCU function is implemented by the VCU control unit; The control unit of the PDU function includes: a PDU detection unit and a PDU control unit, wherein the PDU detection unit is electrically connected to the PDU control unit; The control unit for the DC-DC power conversion function includes: a DC-DC control unit; The control unit of the battery charging management function includes: a battery charging function area detection unit and a battery charging function area control unit; the battery charging function area detection unit and the battery charging function area control unit are electrically connected; The control unit of the main drive function includes: a main drive control unit; The auxiliary drive function control unit includes: an auxiliary drive control unit; the auxiliary drive control unit includes: an air pump control unit and an oil pump control unit; in, The PDU detection unit, the PDU control unit, the DC-DC control unit, the battery charging function area detection unit, the battery charging function area control unit, the main drive control unit, the auxiliary drive control unit, and the VCU control unit are integrated on the main board; and the PDU control unit, the DC-DC control unit, the battery charging function area control unit, the main drive control unit, and the auxiliary drive control unit are electrically connected to the VCU control unit, respectively.

3. The integrated control device for a vehicle according to claim 1, characterized in that: The accommodating cavity includes: a first cavity, a second cavity, a third cavity and a fourth cavity; wherein, The second cavity is located at the lower part of the first cavity; the third cavity is located at the left part of the first cavity; the fourth cavity is located at the lower part of the third cavity and at the left part of the second cavity; The integrated control functional area and the centralized functional area are centrally arranged in the first cavity, the second cavity, the third cavity and the fourth cavity in the accommodating cavity.

4. The integrated control device for a vehicle according to claim 3, characterized in that: in, The components in the first cavity, the third cavity and the fourth cavity are installed upward; the components in the second cavity are installed downward.

5. The integrated control device for a vehicle according to claim 3 or 4, characterized in that: The first cavity comprises: a first upper cavity and a first lower cavity; the first upper cavity and the first lower cavity are arranged one above the other; a main control support sheet metal part (8) is arranged between the first upper cavity and the first lower cavity; In the case where the PDU detection unit, PDU control unit, DC-DC control unit, battery charging functional area detection unit, battery charging functional area control unit, main drive control unit, auxiliary drive control unit, and VCU control unit in the functions of the power domain controller of the automobile are integrated on a main board, the main board is arranged in the first upper cavity; the main control support sheet metal (8) is capable of supporting the main board; The execution unit of the main drive function comprises: a main drive unit; the main drive unit comprises: a DC bus capacitor (1) and an inverter unit (2); the DC bus capacitor (1) and the inverter unit (2) are arranged in the first lower cavity.

6. The integrated control device for a vehicle according to claim 3 or 4, characterized in that: The execution mechanism of the battery charging management function includes: a battery charging control relay group; the battery charging control relay group is arranged in the third cavity.

7. The integrated control device for a vehicle according to claim 3 or 4, characterized in that: The execution unit of the DC-DC power conversion function includes: a DC-DC power conversion unit (4); The execution unit of the auxiliary drive function includes: an oil pump drive unit (5) and an air pump drive unit (6); Wherein, the DC-DC power conversion unit (4), the oil pump drive unit (5) and the air pump drive unit (6) are arranged in the second cavity.

8. The integrated control device for a vehicle according to claim 7, characterized in that: The accommodating area of the second cavity includes: a first area, a second area and a third area; the second area and the third area are arranged in parallel; the first area is located on one side of the second area and the third area; In the second cavity, the DC-DC power conversion unit (4) is arranged in the first area of the second cavity; one of the oil pump drive unit (5) and the air pump drive unit (6) is arranged in the second area; and the other of the oil pump drive unit (5) and the air pump drive unit (6) is arranged in the third area.

9. The integrated control device for a vehicle according to claim 3 or 4, characterized in that: The third cavity and the fourth cavity are isolated by a PDU supporting sheet metal part (11); The execution unit of the PDU function includes: a PDU control relay (9) and a PDU fuse (10); The PDU control relay (9) and the PDU fuse (10) are supported by the PDU support sheet metal (11) and are arranged in the third cavity; the PDU control relay (9) and the PDU fuse (10) are electrically connected.

10. The integrated control device for a vehicle according to claim 3 or 4, characterized in that: In the first cavity, the second cavity, the third cavity and the fourth cavity, except for the first cavity and the fourth cavity, two adjacent cavities in the remaining cavities are isolated by metal shells and / or metal sheet metal parts.

11. An automobile, characterized in that: include: An integrated control device for a vehicle according to any one of claims 1 to 10.

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