CN111645619A - Integrated automobile control device and electric automobile - Google Patents
Integrated automobile control device and electric automobile Download PDFInfo
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- CN111645619A CN111645619A CN202010530040.2A CN202010530040A CN111645619A CN 111645619 A CN111645619 A CN 111645619A CN 202010530040 A CN202010530040 A CN 202010530040A CN 111645619 A CN111645619 A CN 111645619A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
Abstract
The invention discloses an integrated automobile control device and an electric automobile, wherein the integrated automobile control device can meet the control requirements of a whole automobile controller and an automobile air conditioner controller, data transmitted by a first device with a first port in butt joint, a second component with a second port in butt joint and a third component with a third port in butt joint are processed by a central processing unit integrated on a circuit board, and cache data are cached by a memory. On the one hand, the automobile control device of integration occupies less automobile inner space, in addition, need not to introduce the connection pencil of connecting vehicle control unit and vehicle air conditioner controller, and the car internal connection is simple, is difficult for causing the potential safety hazard.
Description
Technical Field
The invention relates to the field of vehicles, in particular to an automobile control device and an electric automobile.
Background
A Vehicle Control Unit (VCU) is a core of the entire control system as a central control unit of the Vehicle. The VCU collects motor and battery states, accelerator pedal signals, brake pedal signals and other actuator sensor controller signals and is responsible for normal running, brake energy feedback, energy management of a whole vehicle engine and a power battery, network management, fault diagnosis and processing, vehicle state monitoring and the like of the automobile, so that the whole vehicle can work normally and stably under the conditions of better dynamic property, higher economy and reliability. The controller for automobile air conditioner is characterized by that it utilizes the detection of change of engine speed and temp. in the carriage to implement logic treatment of signal, and then controls the electromagnetic clutch driver and idle valve driver so as to implement automatic control of air conditioner in the carriage of automobile, and can make the temp. in the carriage be basically constant and save energy source of automobile.
At present, a vehicle controller and a vehicle air conditioner controller are independently designed and independently arranged in the vehicle, the control function of the vehicle controller and the control function of the vehicle air conditioner controller are respectively realized, so that the vehicle controller and the air conditioner controller are independently arranged to occupy the internal space of the vehicle, and a connecting wire harness led in due to communication requirements between the vehicle controller and the air conditioner controller can lead to complicated vehicle interconnection, and potential safety hazards are easily caused.
Disclosure of Invention
The invention aims to solve the problem that the vehicle control unit and the air conditioner controller are independently arranged to occupy the internal space of the vehicle in the prior art. Therefore, the integrated automobile control device and the electric automobile provided by the invention avoid the occupation of the internal space of the automobile by the whole automobile controller and the air conditioner controller, and improve the utilization rate of the internal space of the automobile.
To solve the above problems, embodiments of the present invention disclose an integrated type vehicle control apparatus,
the automobile control device comprises a central processing unit and a memory which are integrated on a circuit board; wherein
The circuit board is also provided with a first port, a second port and a third port;
the first port is connected with a first component which only meets the whole vehicle control requirement of the vehicle, the second port is connected with a second component which only meets the air conditioner control requirement of the vehicle, and the third port is connected with a third component which simultaneously meets the whole vehicle control requirement and the air conditioner control requirement of the vehicle;
the central processing unit and the memory are respectively connected with the first port, the second port and the third port and are used for providing data processing service and storage service.
By adopting the technical scheme, the integrally arranged automobile control device can meet the control requirement of the whole automobile controller and the control requirement of the automobile air conditioner controller, the data transmitted by the first device with the butted first port, the second component with the butted second port and the third component with the butted third port are processed by the central processing unit integrated on the circuit board, and the cached data are cached by the memory. On one hand, compared with the mode that the vehicle control unit and the vehicle air conditioner controller are independently arranged in the prior art, the integrated vehicle control device provided by the embodiment of the invention occupies a smaller space in the vehicle; compared with the prior art that the vehicle control unit and the vehicle air conditioner controller respectively adopt the central processing unit and the memory, the embodiment of the invention only adopts one central processing unit and one memory, thereby avoiding resource waste. On the other hand, in the embodiment of the invention, a connecting wiring harness for connecting the vehicle controller and the automobile air conditioner controller in the prior art is not required, the vehicle interconnection is simple, and potential safety hazards are not easily caused.
In some embodiments of the present invention, the integrated automotive control device is of an integrated design and is enclosed within a sealed housing; wherein
The first port, the second port and the third port extend out of a shell wall of the seal shell, and seal members are arranged at the connection positions of the first port, the second port and the third port and the seal shell.
In some embodiments of the present invention, the first port, the second port and the third port of the integrated vehicle control device are connected to the first component, the second component and the third component respectively through connectors; wherein
The first port comprises at least one first pin, and the first pin is electrically connected with each functional element in the first part respectively;
the second port comprises at least one second pin, and the second pin is electrically connected with each functional element in the second part respectively;
the third port includes at least one third pin, and the third pin is electrically connected to each functional element in the third component, respectively.
In some embodiments of the present invention, the central processing unit communicates with the first component, the second component and the third component through a CAN bus.
In some embodiments of the present invention, the first component includes a motor of the automobile, an accelerator pedal sensor, an electronic vacuum pump, and a brake pedal sensor, and the central processing unit controls a rotation speed of the motor based on signals transmitted by the accelerator pedal sensor, the electronic vacuum pump, and the brake pedal sensor, so as to control a speed of the whole automobile.
In some embodiments of the invention, the first component further comprises a battery management system and a CDU system of the automobile, and the central processor implements control of battery enable and DC/DC enable based on voltage-related signals transmitted by the battery management system and the CDU system.
In some embodiments of the invention, the second component comprises a compressor, a condenser, a blower, a mode damper, a cooling and heating damper, and an evaporator of the automobile;
the central processing unit realizes the control of the compressor, the condenser, the air blower, the mode air door, the cold-warm air door and the evaporator based on the temperature inside the vehicle, the temperature outside the vehicle, the mode signal transmitted by the mode air door and the cold-warm demand signal transmitted by the cold-warm air door.
In some embodiments of the invention, the third component comprises: a power supply component, a first temperature sensor, and a second temperature sensor of the automobile;
the power supply component is used for supplying power to the automobile control device;
the first temperature sensor is used for acquiring the temperature in the vehicle, and the second temperature sensor is used for acquiring the temperature of the motor;
and the central processing unit realizes the control of a safety early warning system and an air conditioning system of the whole vehicle based on the temperature in the vehicle and the temperature of the motor.
In some embodiments of the present invention, the number of pins in the first port, the number of pins in the second port, and the number of pins in the third port of the vehicle control device are correspondingly set according to the number of the first component, the second component, and the third component.
Further, the embodiment of the invention discloses an electric automobile which comprises any one of the integrated automobile control devices.
Additional features and corresponding advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1(a) is a schematic circuit diagram of a vehicle control unit in the prior art;
FIG. 1(b) is a schematic circuit diagram of a prior art vehicle air conditioner controller;
FIG. 2 is a schematic structural diagram of an integrated vehicle control apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an integrated automobile control device in an application scenario disclosed in the embodiment of the present invention.
Reference numerals:
1: an integrated automotive control device;
10: a circuit board; 100: a central processing unit; 101: a memory; 102: a first port; 103: a second port; 104: a third port;
200: a first member; 201: a second component; 202: a third component.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention is described in connection with the embodiments for the purpose of covering alternatives or modifications that may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Those skilled in the art can understand the specific meaning of the above terms in the present invention in specific cases.
At present, a vehicle controller and a vehicle air conditioner controller are independently designed in a vehicle, as shown in fig. 1(a) and fig. 1(b), fig. 1(a) is a schematic diagram of a circuit structure of the vehicle controller in the prior art, and fig. 1(b) is a schematic diagram of a circuit structure of the vehicle air conditioner controller in the prior art. The vehicle controller and the vehicle air conditioner controller shown in fig. 1(a) and fig. 1(b) are respectively provided with a central processing unit and functional elements for realizing the butt joint of interfaces of the functions, the vehicle controller and the vehicle air conditioner controller are independently arranged in a vehicle and respectively realize the control function of the vehicle controller and the control function of the vehicle air conditioner controller, so that the vehicle controller and the air conditioner controller are independently arranged to occupy the internal space of the vehicle, and a connecting wire harness introduced between the vehicle controller and the air conditioner controller due to communication requirements can lead to complicated vehicle interconnection, thereby easily causing potential safety hazards. In addition, the vehicle controller and the vehicle air conditioner controller are designed independently, and for shared elements such as a central processing unit and a memory, resource waste can be caused by respectively designing the central processing unit and the memory for the vehicle controller and the vehicle air conditioner controller.
Therefore, the integrated automobile control device and the electric automobile provided by the invention avoid the occupation of the internal space of the automobile of the whole automobile controller and the air conditioner controller, and improve the utilization rate of the internal space of the automobile.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an integrated vehicle control device according to an embodiment of the present invention, and the integrated vehicle control device 1 includes a central processing unit 100 and a memory 101 integrated on a circuit board 10.
The circuit board 10 is further provided with a first port 102, a second port 103 and a third port 104.
The first port 102 is connected to a first unit 200 that only fulfills the entire vehicle control demand of the vehicle, the second port 103 is connected to a second unit 201 that only fulfills the air conditioning control demand of the vehicle, and the third port 104 is connected to a third unit 202 that simultaneously fulfills the entire vehicle control demand and the air conditioning control demand of the vehicle.
The central processor 100 and the memory 101 are connected to a first port 102, a second port 103 and a third port 104, respectively, for providing data processing services and storage services.
In order to avoid damage and corrosion of the vehicle control device, in some embodiments of the invention, the vehicle control device 1 may be hermetically sealed. The sealing device specifically comprises: the automobile control device 1 is integrally designed and is packaged in a sealed shell. The first port 102, the second port 103 and the third port 104 extend out of the shell wall of the sealed shell, and sealing components are arranged at the connection positions of the first port 102, the second port 103 and the third port 104 and the sealed shell.
In some embodiments of the present invention, the sealing component may be a sealing ring, a sealant, or the like, and the type of the sealing component is not limited in the embodiments of the present invention.
In some embodiments of the present invention, the central processing unit 100 may adopt a single chip microcomputer, a Programmable logic controller (FPGA) chip, or the like. A plurality of pins can be led out from a single chip microcomputer, an FPGA chip and the like to serve as the first port 102, the second port 103 and the third port 104 for butting the first component 200, the second component 201 and the third component 202 in the embodiment of the present invention.
In some embodiments of the present invention, when the number of functional elements included in the first, second and third components 200, 201 and 202 is excessive, more pins may be extended for interfacing the first, second and third components 200, 201 and 202 by connecting the first, second and third ports 102, 103 and 104 and the first, second and third components 200, 201 and 202 through socket connectors.
The method specifically comprises the following steps: the first port 102, the second port 103, and the third port 104 of the vehicle control device 1 are each connected to the first block 200, the second block 201, and the third block 202, respectively, via connectors. The first port 102 includes at least one first pin, and the first pin is electrically connected to each functional element in the first component 200. The second port 103 includes at least one second pin, and the second pin is electrically connected to each functional element in the second part 201, respectively. The third port 104 includes at least one third pin, and the third pin is electrically connected to each functional element in the third component 202, respectively.
It should be noted that, connectors may be connected to the first port 102, the second port 103, and the third port 104, and more pins are extended through the connectors, for example, when no connector is provided, the pins of the first port 102, the second port 103, and the third port 104 are 121 pins, and when a connector is provided, the pins of the first port 102, the second port 103, and the third port 104 are 154 pins.
In some embodiments of the present invention, the number of first ports 102, second ports 103, and third ports 104 may be expanded to accommodate more functional elements interfacing with integrated vehicle controls.
In some embodiments of the present invention, the central processing unit 100 communicates data with the first component 200, the second component 201, and the third component 202 via a CAN bus. The method specifically comprises the following steps: the first component 200, the second component 201 and the third component 202 transmit the acquired data to the central processing unit 100 in a CAN bus communication mode, and the data are processed by the central processing unit 100.
In addition, it should be noted that, for the integrated automobile control device in the embodiment of the present invention, the bottom layer driver and the application program may be rewritten so that the integrated automobile control device in the embodiment of the present invention can be used normally and meet normal requirements. After the bottom-layer driver and the application program are written, the bottom-layer driver and the application program can be subjected to software packaging, so that the bottom-layer driver and the application program are integrated, and program development and management are facilitated. For the integrated automobile control device, the heat dissipation performance of the whole integrated automobile control device can be verified in a thermal simulation mode.
Wherein, the model-based application program development environment of the vehicle control unit in the prior art is continuously used; the application program of the automobile air conditioner controller is developed in a model mode, and codes are automatically generated. The interface function of the bottom software interface layer is opened to the application layer for all interfaces developed by the bottom software, including all interface functions which are required to be opened to the application layer in the OS, complex driver and controller abstraction layer, and the interface functions of the interface layer are provided to the application layer in the form of a Simulink packaging library.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an integrated vehicle control device in an application scenario according to an embodiment of the present invention.
In fig. 3, the first component 200 includes functional components for controlling the speed of the entire automobile, and specifically includes, but is not limited to, a motor PUMP _1_ M of the automobile, an accelerator pedal sensor ACC Pad, an electronic vacuum PUMP (whose vacuum data is collected by a vacuum pressure sensor provided in the electronic vacuum PUMP and transmitted to a central processing unit), and a brake pedal sensor BRK Pad.
The central processing unit 100 controls the rotating speed of the motor PUMP _1_ M based on signals transmitted by the accelerator pressure plate sensor ACC Pad, the electronic vacuum PUMP and the brake pedal sensor BRKPad, so as to realize the speed control of the whole automobile. For motor PUMP _1_ M, it also has a motor temperature Sensor T _ M _ Sensor. Here, for motor PUMP _1_ M, a relay cooling PUMP _ RLY is connected to control on/off of motor PUMP _1_ M and central processor 100 through the relay.
The pin B, the pin C, the pin F, and the pin D of the brake pedal sensor BRK Pad are respectively connected to the pin 75, the pin 76, the pin 74, and the pin 55 of the central processor 100, and are respectively used to transmit a voltage signal VCC _3, a brake pedal signal Sig _1, a ground signal a GND _1, a brake pedal signal Sig _2, and a servo band brake signal BRK _ S2. Pins a and E are connected to pins 56 and 54, respectively, and are both grounded.
In some embodiments of the present invention, the first component 200 further comprises a Battery Management System (BMS) and a Conversion & Distribution Unit (CDU) System of the automobile, and the central processor 100 implements control of the battery enable and the DC/DC enable based on voltage-related signals transmitted by the battery management System and the CDU System.
In fig. 3, for the BMS, it includes, but is not limited to, the battery liquid PUMP _2_ B, the quick charge pin QC _ PORT, the normal charge pin NC _ PORT. And the quick charging pin QC _ PORT and the common charging pin NC _ PORT are connected with the BMS through a connector A and a connector B and perform signal transmission. For the quick charge pin QC _ PORT, it has pins 1 to 12, voltage output pins (DC + and DC-) and a ground pin PE, where pins 1 to 12 of the quick charge pin QC _ PORT are respectively connected to and correspondingly transmit signals of pins 3, 2, 5, 7, 9, 8, 10, 1 and 6 of the connector a, pins 3, 2, 5, 7, 9, 8, 10, and 12, 11, 15, 16, 17, 18, and 14 of the connector a, and pins 6 and 1 of the connector a are respectively connected to and correspondingly transmit signals of corresponding pins.
The normal charge pin NC _ PORT has pins 1 to 12, voltage output pins (AC _ L and AC _ N), and a ground pin PE, wherein the pins 1 to 12 of the normal charge pin NC _ PORT are respectively connected to the pins 1 to 12 of the connector B and correspondingly transmit signals of the respective pins. The 1 st pin to the 11 th pin of the connector B are also correspondingly connected with the 29 th pin, the 30 th pin, the 21 st pin, the 22 nd pin, the 23 rd pin, the 24 th pin, the 9 th pin, the 8 th pin and the 10 th pin of the BMS respectively and transmit signals corresponding to the respective pins, and the 12 th pin of the connector B is grounded.
The 1 st pin of the BMS is connected to the KL30 of the vehicle power supply for controlling the connection (specifically, PWR signal) of the KL30 of the vehicle power supply and the BMS system, so that the vehicle power supply supplies power to the BMS and the 19 th pin of the BMS is grounded. The 7 th pin of the BMS is connected to the 82 th pin of the central processor 100 of the integrated automobile control device 1, and wakes up the BMS when the central processor 100 outputs a high level signal BMS _ ON. The 32 th pin of the BMS is connected to the 61 st pin of the central processor 100, and the BMS is woken up when the central processor 100 outputs a charging wake-up signal Wakeup _ VCU. Pin 2 of the BMS is connected to an airbag module (ABM) for transmitting a blast _ IN signal. The 3 rd pin and the 4 th pin of the BMS are connected to the 10 th pin and the 1 st pin of the microcontroller MCU, the 2 nd pin and the 1 st pin of an Electric air conditioning compressor (EAC), and the 26 th pin and the 27 th pin of the CDU, respectively, for transmitting a signal PT _ CAN _ H and a signal PT _ CAN _ L. Pins 27 and 28 of the BMS system are connected to pins 30 and 32 of the EDU system, and signals CCS _ P _ CON and CCS _ P _ CON _ FB are transmitted from the BMS to the CDU system to control the relay CCS _ RLY _ P in the CDU system.
For the CDU system, the pin 21 is connected to the 90 th pin of the cpu 100, and is used for transmitting a control signal DCDC _ EN to realize DC/enable control of the CDU. Pins 9 and 10 of the CDU system are connected to C and B, respectively (letters in the circle can be understood as line number connectors, the same letters indicating that the wiring harness is connected.) for transmitting HVIL + signals and HVIL-signals. The 33 th pin of the CDU system is connected with the low-voltage interface of the water PTC respectively, the 33 th pin of the CDU system is connected with the 110 th pin of the central processing unit 100, and the PTC _ RLYCON signal is transmitted between the central processing unit 100 and the CDU system, so that the control of the relay PTC _ RLY is realized. The 11 th pin and the 25 th pin of the CDU system are both connected with a power supply KL30, a fuse is connected between the power supply KL30 and the 11 th pin and the 25 th pin, and the 12 th pin and the 24 th pin are grounded through KL 31. For a CDU system, the 12V + output is connected to 12V + of 12V Bat, and the GND pin of 12V Bat is grounded.
For a Micro Controller Unit (MCU) system, pin 7 is connected to B and transmits HVIL _ OUT signal, and pin 40 of the cpu 100 is connected to D (letters IN the circle can be understood as line number connectors, the same letters indicate that the wiring harness is connected) for transmitting HVIL _ IN signal, where D and B are interfaced. Pin 6 of the MCU and pin 105 of the cpu 100 are both connected to a for transmitting the HVIL _ OUT and HVIL _ IN signals. Pin 2 of the MCU is connected to pin 83 of the cpu 100 for transmitting the MCU _ EN signal (active high).
For the EAC, pin 6 of the EAC is correspondingly connected to pin 106 of the cpu 100, and transmits the EAC _ EN signal and 6EAC _ ON signal, respectively. Pin 4 and pin 5 of the EAC are connected to C and D, respectively, and transmit the HVIL + signal and the HVIL-signal, respectively. Pin 3 of the EAC is grounded.
In some embodiments of the present invention, the second component 201 includes, but is not limited to, a compressor, a condenser, a blower, a mode damper, a cooling and heating damper, a circulation damper, an evaporator (not shown in the figures) of an automobile.
The central processing unit 100 controls the compressor, the condenser, the blower, the mode air door, the cold/warm air door, and the evaporator based on the temperature inside the vehicle, the temperature outside the vehicle, the mode signal transmitted by the mode air door, and the cold/warm demand signal transmitted by the cold/warm air door.
As shown in fig. 3, the B pin and the C pin of the circulation damper are connected to FF pins of the cpu 100, respectively, for transmitting a Circle + signal and a Circle-signal. The pin B, the pin C, the pin F, the pin D, and the pin E of the Mode damper are respectively connected to the pin FF of the cpu 100, and are used to transmit a Mode _ + signal, a Mode _ -signal, a VCC _3 signal, a Mode _ FB signal, and a GND signal.
As shown in fig. 3, the pin B, the pin C, the pin F, the pin D, and the pin E of the cooling/heating air door are respectively connected to the pin FF of the central processor 100, and are used for transmitting Mix _ + signal, Mix _ -signal, VCC _3 signal, Mix _ FB signal, and GND _4 signal.
According to some embodiments herein, the Mix _ + signal and the Mix _ -signal are two lines of a winding of the cooling/heating damper, which are controlled to be reversed by energizing the two lines with positive and negative polarity power; the VCC3 signal is 5V supply, the GND4 signal is ground, and the Mix _ FB signal is the damper position feedback signal.
The F pins of the compressor HVAC are respectively connected to FF pins (the FF pins are not assigned specific numbers temporarily) of the central processor 100, and three of the F pins are respectively used for transmitting a T _ Incar signal, a T _ EVP signal, a GND signal, and a T _ APTC signal. The remaining three pins are grounded and connected, respectively.
Each F pin of the Blower is correspondingly connected with each FF pin of the central processor, and the first F pin is connected with the relay KL30 and is butted with one FF pin of the central processor 100 so that the central processor 100 transmits a wake-up signal Blower _ ON to the Blower. The second F pin and the third F pin receive an input signal Blower _ Con of the cpu 100 and an output signal Blower _ FB transmitted from the Blower to the cpu 100, respectively.
In some embodiments of the present invention, third component 202 includes, but is not limited to, a power supply component of the automobile, a first temperature sensor, and a second temperature sensor;
the power supply component is used for supplying power to the automobile control device;
the first temperature sensor is used for collecting the temperature in the vehicle, and the second temperature sensor is used for collecting the temperature of the motor;
and the central processing unit realizes the control of a safety early warning system and an air conditioning system of the whole vehicle based on the temperature in the vehicle and the temperature of the motor.
As shown in fig. 3, the first temperature sensor may be an ambient temperature sensor T _ AMB, and an F pin of the ambient temperature sensor T _ AMB is connected to one FF pin of the cpu 100 to transmit a T _ AMB signal. The other pin F of the ambient temperature sensor T _ AMB is connected to one of FF pins of the cpu 100 and is also grounded.
The second temperature Sensor may be a motor temperature Sensor T _ M _ Sensor, pin 1 of which is interfaced with pin 32 of the cpu 100 for transmitting Sig _ T signal. Pin 21 of motor temperature Sensor T _ M _ Sensor is butted to pin 13 of cpu 100 and simultaneously grounded.
Further, as shown in fig. 3, the third member further includes: a Chiller electronic expansion valve, an electronic expansion valve EXV, an electronic condensing FAN FAN, a pressure switch P _ SWITCH and an Air PTC (APTC).
The central processing unit 100 is further connected with a Chiller electronic expansion valve, one pin of the Chiller electronic expansion valve is connected with the 67 th pin of the central processing unit 100, the other pin of the Chiller electronic expansion valve is grounded, and the last pin of the Chiller electronic expansion valve is connected with the KL30 relay.
The electronic expansion valve EXV is connected with the relay To EVP, the To EVP is connected with the pin of the central processing unit 100, the EVP _ ON signal is transmitted between the central processing unit 100 and the electronic expansion valve EXV, and the low level is effective.
Two F pins of the pressure switch P _ switch are grounded, and the other two F pins of the pressure switch P _ switch are respectively butted with two pins FF of the central processing unit 100 and are respectively used for transmitting a P _ HL signal and a P _ M signal.
Three of the F pins of the APTC are respectively connected to the FF pin of the cpu 100 for transmitting the APTC _ ON signal, the APTC _ PWM signal, and the APTC _ FB signal. The other F pin of the APTC is grounded GND.
When the central processing unit 100 has a termination resistor, the pin 6 and the pin 7 of the central processing unit 100 are used for transmitting a PT _ CAN _ H signal and a PT _ CAN _ L signal, respectively. When the CPU 100 does not have a termination resistor, the pins 65 and 66 of the CPU 100 are used to transmit the HCAN1_ H signal, the CHASSIS _ CAN _ H signal, the HCAN1_ L signal and the CHASSIS _ CAN _ L signal, respectively.
The KL30 is connected to pin 1, pin 2, pin 114, pin 115, pin 117, pin 119, and pin 109 of the cpu 100, respectively, and the KL30 connected to pin 1 and pin 2 of the cpu 100 has an operating current of 200mA, and the KL 3578 connected to pin 114, pin 115, pin 117, pin 119, and pin 109 of the cpu 100 has an operating current of 3A. For KL15, it is the pin 49 of the cpu 100. The KL31 is connected to pin 4, pin 5, pin 116, pin 118, pin 120, and pin 121 of the cpu 100.
It should be noted that the above application scenarios only list some of the first component, the second component, and the third component, and the first component, the second component, and the third component may also be other types of components, and the embodiment of the present invention is not limited herein. In addition, the number of pins of the cpu 100 may also be more, and the embodiments of the present invention are not limited to the above-mentioned number of pins.
Further, the number of pins in the first port, the number of pins in the second port and the number of pins in the third port of the integrated automobile control device are correspondingly arranged according to the number of the first component, the second component and the third component. That is, the number of pins in the first port, the number of pins in the second port, and the number of pins in the third port may be expanded, and if the first component, the second component, and the third component are added at a later stage, the number of pins in the first port, the number of pins in the second port, and the number of pins in the third port, which are adapted to the increased number of the first component, the second component, and the third component, may be expanded.
The functional elements in the integrated vehicle control device may be as shown in table 1 below, and the information parameters for each functional element in the integrated vehicle control device are as shown in table 1 below.
TABLE 1
Table 1 lists the number of interface types, signal functions, electrical parameters, VCU hardware channels and pins of some of the first component, the second component and the third component, and the number of interface types, signal functions, electrical parameters, VCU hardware channels and pins of the first component, the second component and the third component may be other types, which is not limited herein. In addition, the number of pins of the cpu 100 may also be more, and the embodiments of the present invention are not limited to the above-mentioned number of pins.
It is to be noted that the first, second and third components shown in fig. 3 are only examples, and the first, second and third components may also include other functional elements according to actual circumstances. The names of the signals shown may also be customized, and embodiments of the present invention are not limited to the above-mentioned signal names.
In addition, the embodiment of the invention also discloses an electric automobile, which comprises: an integrated vehicle control device as mentioned in the above embodiments.
According to the integrated automobile control device and the electric automobile disclosed by the embodiment of the invention, the integrally arranged automobile control device can meet the control requirements of a whole automobile controller and an automobile air conditioner controller, data transmitted by a first device with a first port in butt joint, a second component with a second port in butt joint and a third component with a third port in butt joint are processed by a central processing unit integrated on a circuit board, and cache data are cached by a memory. On one hand, compared with the mode that the vehicle control unit and the vehicle air conditioner controller are independently arranged in the prior art, the integrated vehicle control device provided by the embodiment of the invention occupies smaller internal space of the vehicle; compared with the prior art that the vehicle control unit and the vehicle air conditioner controller respectively adopt the central processing unit and the memory, the embodiment of the invention only adopts one central processing unit and one memory, thereby avoiding resource waste. On the other hand, in the embodiment of the invention, a connecting wire harness for connecting the vehicle controller and the automobile air conditioner controller in the prior art is not required to be introduced, the vehicle interconnection is simple, and potential safety hazards are not easily caused.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An integrated automobile control device is characterized by comprising a central processing unit and a memory which are integrated on a circuit board; wherein
The circuit board is also provided with a first port, a second port and a third port;
the first port is connected with a first component which only meets the whole vehicle control requirement of the vehicle, the second port is connected with a second component which only meets the air conditioner control requirement of the vehicle, and the third port is connected with a third component which simultaneously meets the whole vehicle control requirement and the air conditioner control requirement of the vehicle;
the central processor and the memory are respectively connected with the first port, the second port and the third port and are used for providing data processing service and storage service.
2. The integrated vehicle control device according to claim 1, wherein the integrated vehicle control device is of unitary design and is enclosed within a sealed housing; wherein
The first port, the second port and the third port extend out of a shell wall of the seal shell, and sealing components are arranged at the connection positions of the first port, the second port and the third port and the seal shell.
3. The integrated vehicle control device according to claim 1, wherein the first port, the second port, and the third port of the integrated vehicle control device are each connected to the first component, the second component, and the third component, respectively, by connectors; wherein
The first port comprises at least one first pin, and the first pin is electrically connected with each functional element in the first component respectively;
the second port comprises at least one second pin, and the second pin is electrically connected with each functional element in the second part respectively;
the third port includes at least one third pin, and the third pin is electrically connected to each functional element in the third component, respectively.
4. The integrated vehicle control apparatus of claim 1 wherein said central processor communicates with said first component, said second component and said third component via a CAN bus.
5. The integrated automobile control device according to any one of claims 1 to 4, wherein the first component comprises a motor of the automobile, an accelerator pedal sensor, an electronic vacuum pump and a brake pedal sensor, and the central processing unit controls the rotation speed of the motor based on signals transmitted by the accelerator pedal sensor, the electronic vacuum pump and the brake pedal sensor, so as to realize the speed control of the whole automobile.
6. The integrated vehicle control apparatus of claim 5 wherein said first component further comprises a battery management system and a CDU system of said vehicle, said central processor effecting control of battery enable and DC/DC enable based on voltage related signals transmitted by said battery management system and said CDU system.
7. The integrated vehicle control apparatus as claimed in any one of claims 1 to 4, wherein the second component includes a compressor, a condenser, a blower, a mode damper, a cool/warm damper and an evaporator of the vehicle;
the central processing unit realizes the control of the compressor, the condenser, the air blower, the mode air door, the cold-warm air door and the evaporator based on the temperature inside the vehicle, the temperature outside the vehicle, the mode signal transmitted by the mode air door and the cold-warm demand signal transmitted by the cold-warm air door.
8. The integrated vehicle control apparatus of any one of claims 1-4, wherein the third component comprises: a power supply component, a first temperature sensor, and a second temperature sensor of the automobile;
the power supply component is used for supplying power to the automobile control device;
the first temperature sensor is used for collecting the temperature in the vehicle, and the second temperature sensor is used for collecting the temperature of the motor;
and the central processing unit realizes the control of a safety early warning system and an air conditioning system of the whole vehicle based on the temperature in the vehicle and the temperature of the motor.
9. The integrated vehicle control device according to any one of claims 1 to 4, wherein the number of pins in the first port, the number of pins in the second port, and the number of pins in the third port of the integrated vehicle control device are correspondingly set according to the number of the first member, the second member, and the third member.
10. An electric vehicle, comprising: the integrated vehicle control apparatus as claimed in any one of claims 1 to 9.
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| CN202010530040.2A CN111645619A (en) | 2020-06-11 | 2020-06-11 | Integrated automobile control device and electric automobile |
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| CN202010530040.2A CN111645619A (en) | 2020-06-11 | 2020-06-11 | Integrated automobile control device and electric automobile |
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Cited By (1)
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| CN112193182A (en) * | 2020-09-23 | 2021-01-08 | 珠海格力电器股份有限公司 | Integrated power domain control system and automobile |
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