CN111645619A - Integrated automobile control device and electric automobile - Google Patents

Abstract

The invention discloses an integrated automobile control device and an electric automobile. The integrated automobile control device can not only meet the control requirements of the whole vehicle controller, but also meet the control requirements of the automobile air conditioner controller. The data transmitted by a device, the second component connected to the second port, and the third component connected to the third port are all processed by a central processing unit integrated in a circuit board, and the cached data is cached by a memory. On the one hand, the integrated car control device occupies less space inside the car. In addition, there is no need to introduce a connecting wire harness connecting the vehicle controller and the car air conditioner controller. The wiring in the car is simple, and it is not easy to cause potential safety hazards.

Description

Integrated vehicle controls and electric vehicles

technical field

The present invention relates to the field of vehicles, in particular to a vehicle control device and an electric vehicle.

Background technique

Vehicle control unit (VCU) is the core of the entire control system as the central control unit of the vehicle. VCU collects motor and battery status, accelerator pedal signal, brake pedal signal and other actuator sensor controller signals, which is responsible for the normal driving of the car, braking energy feedback, energy management of the vehicle engine and power battery, network management, fault Diagnosis and processing, vehicle status monitoring, etc., so as to ensure the normal and stable work of the whole vehicle in a state of better power, higher economy and reliability. The automotive air-conditioning controller belongs to a control device for automotive air-conditioning equipment. During operation, it detects changes in engine speed and temperature in the cabin, and after logically processing the signals, it controls the electromagnetic clutch driver and the idle valve driver. The automatic control of the air-conditioning device in the car compartment is achieved, the temperature in the compartment is basically constant, and the energy of the car is saved.

At present, automobiles independently design the vehicle controller and the vehicle air-conditioning controller, which are independently installed inside the car and realize the control function of the vehicle controller and the control function of the vehicle air-conditioning controller respectively. In this way, the vehicle controller and the air-conditioning controller The independent setting will occupy the interior space of the car, and the connection wiring harness introduced between the vehicle controller and the air-conditioning controller due to the communication requirements will lead to complicated wiring in the car, which is likely to cause safety hazards.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the problem in the prior art that the vehicle controller and the air conditioner controller are independently arranged to occupy the interior space of the vehicle. Therefore, the present invention provides an integrated automobile control device and an electric automobile, which avoids the occupation of the interior space of the automobile by the vehicle controller and the air conditioner controller, and improves the utilization rate of the interior space of the automobile.

In order to solve the above problems, embodiments of the present invention disclose an integrated vehicle control device,

The vehicle control device includes a central processing unit and a memory integrated on a circuit board; wherein

The circuit board is further provided with a first port, a second port and a third port;

The first port is connected to the first component that only realizes the vehicle control requirements of the automobile, the second port is connected to the second component that only realizes the air conditioning control requirements of the automobile, and the third port is connected to the same time. The third component of the vehicle control demand of the automobile and the air conditioning control demand is connected;

The central processing unit and the memory are respectively connected with the first port, the second port and the third port for providing data processing services and storage services.

By adopting the above technical solution, the integrated vehicle control device can meet the control requirements of the vehicle controller and the control requirements of the vehicle air conditioner controller, the first device connected to the first port, the second device connected to the second port. The data transmitted by the component and the third component connected to the third port are all processed by a central processing unit integrated in a circuit board, and the buffered data is buffered by a memory. On the one hand, compared with the way in which the vehicle controller and the vehicle air conditioner controller are independently arranged in the prior art, the integrated automobile control device provided by the embodiment of the present invention occupies less space in the interior of the automobile; and compared with the prior art The mid-vehicle controller and the automobile air-conditioning controller respectively use their own central processing unit and memory. In the embodiment of the present invention, only one central processing unit and one memory are used, which avoids waste of resources. On the other hand, in the embodiment of the present invention, there is no need to introduce the connecting wire harness connecting the vehicle controller and the automobile air conditioner controller in the prior art, the wiring in the vehicle is simple, and it is not easy to cause potential safety hazards.

In some embodiments of the present invention, the integrated vehicle control device is designed in one piece and packaged in a sealed housing; wherein

The first port, the second port and the third port extend out of the housing wall of the sealed housing, and the first port, the second port and the third port are connected to the A sealing member is provided at the joint of the sealing 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 port and the second port respectively through connectors. the part is connected to the third part; wherein

The first port includes at least one first pin, and the first pin is electrically connected to each functional element in the first component, respectively;

The second port includes at least one second pin, and the second pin is electrically connected to each functional element in the second component, 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, communication between the central processing unit and the first component, the second component and the third component is through a CAN bus.

In some embodiments of the present invention, the first component includes an electric motor, an accelerator pedal sensor, an electronic vacuum pump and a brake pedal sensor of the automobile, and the central processing unit is based on the accelerator pedal sensor, the electronic vacuum pump and the The signal transmitted by the brake pedal sensor controls the rotational speed of the motor to realize the speed control of the entire vehicle.

In some embodiments of the present invention, the first component further includes a battery management system and a CDU system of the automobile, and the central processor is based on voltage-related signals transmitted by the battery management system and the CDU system Implement control of battery enable and DC/DC enable.

In some embodiments of the present invention, the second component includes a compressor, a condenser, a blower, a mode damper, a heating and cooling damper, and an evaporator of the automobile;

The central processing unit implements control of the compressor, condenser, blower, Control of mode dampers, heating and cooling dampers and evaporators.

In some embodiments of the present invention, the third component includes: a power supply component of the automobile, a first temperature sensor, and a second temperature sensor;

the power supply unit is used for supplying power to the vehicle control device;

The first temperature sensor is used to collect the temperature in the vehicle, and the second temperature sensor is used to collect the temperature of the motor;

The central processing unit realizes the control of the safety warning system of the whole vehicle and the control of the air conditioning system 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 based on the The numbers of the first part, the second part and the third part are set correspondingly.

Further, an embodiment of the present invention discloses an electric vehicle including any one of the above-mentioned integrated vehicle control devices.

Other features of the present invention and corresponding beneficial effects are set forth in later parts of the specification, and it should be understood that at least some of the beneficial effects will become apparent from the description of the present specification.

Description of drawings

Figure 1(a) is a schematic diagram of the circuit structure of a vehicle controller in the prior art;

Fig. 1 (b) is the circuit structure schematic diagram of the automobile air-conditioning controller in the prior art;

2 is a schematic structural diagram of an integrated vehicle control device disclosed in an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an integrated vehicle control device in an application scenario disclosed in an embodiment of the present invention.

Reference number:

1: Integrated car control device;

10: circuit board; 100: central processing unit; 101: memory; 102: first port; 103: second port; 104: third port;

200: the first part; 201: the second part; 202: the third part.

Detailed ways

The embodiments of the present invention are described below by specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Although the description of the invention will be presented in conjunction with the preferred embodiment, this does not mean that the features of the invention are limited to this embodiment. On the contrary, the purpose of introducing the invention in conjunction with the embodiments is to cover other options or modifications that may be extended based on the claims of the invention. The following description will contain numerous specific details in order to provide a thorough understanding of the present invention. The invention may also be practiced without these details. Furthermore, some specific details will be omitted from the description in order to avoid obscuring or obscuring the gist of the present invention. It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

It should be noted that in this specification, like numerals and letters refer to like items in the following figures, so that once an item is defined in one figure, it does not need to be defined in subsequent figures for further definitions and explanations.

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts 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", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second" and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

At present, the vehicle controller and the vehicle air conditioner controller are designed independently, as shown in Figure 1(a) and Figure 1(b), Figure 1(a) is a schematic diagram of the circuit structure of the vehicle controller in the prior art , Figure 1 (b) is a schematic diagram of the circuit structure of an automotive air-conditioning controller in the prior art. The vehicle controller and the vehicle air-conditioning controller shown in Fig. 1(a) and Fig. 1(b) respectively have a central processing unit and functional elements connected with various interfaces to realize their functions, and the vehicle controller and the vehicle air-conditioning controller are independent It is installed inside the car and realizes the control function of the vehicle controller and the control function of the vehicle air conditioner controller respectively. In this way, the independent setting of the vehicle controller and the air conditioner controller will occupy the interior space of the car, and the vehicle controller and the air conditioner controller will occupy the interior space. The connection harness introduced between them due to communication requirements will lead to complicated connections in the car, which may easily cause safety hazards. In addition, the vehicle controller and the car air conditioner controller are designed independently. For the shared components such as the central processing unit and the memory, designing the central processing unit and the memory separately for the vehicle controller and the car air conditioner controller will cause resource waste. .

Therefore, the present invention provides an integrated automobile control device and an electric automobile, which avoids the occupation of the interior space of the automobile by the vehicle controller and the air conditioner controller, and improves the utilization rate of the interior space of the automobile.

In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

Please refer to FIG. 2 , which is a schematic structural diagram of an integrated vehicle control device disclosed in an embodiment of the present invention. 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 the first component 200 that only realizes the vehicle control requirements of the automobile, the second port 103 is connected to the second component 201 that only realizes the air conditioning control requirements of the automobile, and the third port 104 is simultaneously realized. The third component 202 of the vehicle control demand and the air conditioning control demand is connected.

The central processing unit 100 and the memory 101 are respectively connected with the first port 102 , the second port 103 and the third port 104 for providing data processing services and storage services.

In order to prevent the automobile control device from being damaged and corroded, in some embodiments of the present invention, the automobile control device 1 can be sealed. The sealing arrangement is specifically as follows: the automobile control device 1 is designed in an integrated manner, and is encapsulated in a sealed casing. Wherein, the first port 102, the second port 103 and the third port 104 extend out of the shell wall of the sealing shell, and the connection between the first port 102, the second port 103 and the third port 104 and the sealing shell is provided with a seal part.

In some embodiments of the present invention, the sealing member may be a sealing ring, a sealant, or the like, and the type of the sealing member is not limited in the embodiment 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 (Field Programmable Gate Array, FPGA) chip, or the like. A single-chip microcomputer, an FPGA chip, etc. can lead out multiple pins as the first port 102 , the second port 103 , and the third port 104 for connecting 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 part 200 , the second part 201 and the third part 202 is too large, the first port 102 , the second port 103 and the third port 104 It is connected with the first part 200 , the second part 201 and the third part 202 through connectors, so as to expand more pins for connecting the first part 200 , the second part 201 and the third part 202 .

Specifically, the first port 102 , the second port 103 and the third port 104 of the vehicle control device 1 can be respectively connected to the first component 200 , the second component 201 and the third component 202 through 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, respectively. The second port 103 includes at least one second pin, and the second pin is electrically connected to each functional element in the second component 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 is worth noting that connectors can be connected to the first port 102, the second port 103 and the third port 104, and more pins can be expanded through the connectors. The pins of the second port 103 and the third port 104 are 121 pins, and when the connector is set, 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 the first port 102 , the second port 103 and the third port 104 can be expanded, so as to satisfy the docking of more functional elements with the integrated vehicle control device.

In some embodiments of the present invention, data communication is performed between the central processing unit 100 and the first component 200, the second component 201 and the third component 202 through the CAN bus. Specifically: the first part 200, the second part 201 and the third part 202 transmit the collected data to the central processing unit 100 by means of CAN bus communication, and the central processing unit 100 processes them.

In addition, it is worth noting that, for the integrated automobile control device in the embodiment of the present invention, the underlying driver and application program can 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 writing the underlying driver and application program, the underlying driver and application program can be encapsulated in software, so that the underlying driver and the application program can be integrated, which is convenient for program development and management. For the integrated automotive control device, the thermal simulation can be used to verify the overall heat dissipation performance of the integrated automotive control device.

Among them, the model-based application program development environment of the vehicle controller in the prior art is used; the application program of the automobile air-conditioning controller is developed in the form of a model, and the code is automatically generated. The underlying software interface layer InterfaceFunctions is open to the application layer for all interfaces developed by the underlying software, including all interface functions that need to be opened to the application layer in the OS, complex driver and controller abstraction layer. The interface functions of the interface layer are provided in the form of Simulink encapsulation library to the application layer.

Please refer to FIG. 3, which is a schematic structural diagram of an integrated vehicle control device in an application scenario disclosed in an embodiment of the present invention.

In FIG. 3 , the first component 200 includes functional components for controlling the speed of the entire vehicle, specifically including but not limited to the motor PUMP_1_M of the vehicle, the accelerator pedal sensor ACC Pad, and the electronic vacuum pump (the vacuum data of which is obtained from the electronic vacuum pump). The set vacuum pressure sensor is collected and transmitted to the central processing unit) and the brake pedal sensor BRK Pad.

The central processing unit 100 controls the rotational speed of the motor PUMP_1_M based on the 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 vehicle speed control of the vehicle. For the motor PUMP_1_M, it also has a motor temperature sensor T_M_Sensor. Among them, for the motor PUMP_1_M, it is connected with the relay Cooling Pump_RLY to control the on-off of the motor PUMP_1_M and the central processing unit 100 through the relay.

Pin 1 of the motor PUMP_1_M is grounded to GND. Pin 3 of the motor PUMP_1_M is connected with the relay Cooling Pump_RLY and connected with the car power supply KL30 and the pin 103 of the central processing unit 100 to transmit the relay turn-on signal Pump_1_ON signal (active low). The pin 2 of the motor PUMP_1_M is connected to the pin 104 and the pin 81 of the central processing unit 100 respectively, and is used to transmit the motor pulse signal Pump_1_PWM signal and Pump_1_FB respectively.

The pins 2, 4, 1, and 6 of the accelerator pedal sensor ACC Pad are respectively connected to the pins 19, 37, 17, and 18 of the central processing unit 100, and are used to transmit The voltage signal VCC_1 signal, accelerator pedal signal Sig_1 signal, voltage signal VCC_2 signal and accelerator pedal signal Sig_2 signal; pin 3 and pin 5 are respectively connected to pin 38 and pin 36 and both are grounded.

The B pin, C pin, F pin and D pin of the brake pedal sensor BRK Pad are respectively connected with the pins 75, 76, 74 and 55 of the central processing unit 100, and are used for The transmission voltage signal VCC_3 signal, brake pedal signal Sig_1 signal and ground signal A GND_1 signal, brake pedal signal Sig_2 signal and servo brake signal BRK_S2 signal. The A pin and the E pin are respectively connected to the pin 56 and the pin 54 and are connected to ground.

The pin 3 of the vacuum pressure sensor is connected to the pin 52 of the central processing unit 100 for transmitting the voltage signal VDD and the pulse signal PWR signal. The pin 1 of the vacuum pressure sensor is connected with the pin 71 of the central processing unit 100 to transmit the VOUT signal and the servo brake signal BRK_V signal. Pin 2 of the vacuum pressure sensor and pin 72 of the central processing unit 100 are connected and both are grounded to GND.

In some embodiments of the present invention, the first component 200 further includes a battery management system (Battery Management System, BMS) and an electronic control (Conversion & Distribution Unit, CDU) system of the vehicle, and the central processing unit 100 is based on the data transmitted by the battery management system and the CDU system. Voltage-related signals enable control of battery enable and DC/DC enable.

In Figure 3, for the BMS, it includes but is not limited to the battery liquid pump PUMP_2_B, the fast charging pin QC_PORT, and the common charging pin NC_PORT. The fast charging pin QC_PORT and the common charging pin NC_PORT are connected to the BMS through connector A and connector B and perform signal transmission. For the fast charging pin QC_PORT, it has pins 1 to 12, voltage output pins (DC+ and DC-), and ground pins PE, where pins 1 to 12 of the fast charging pin QC_PORT are respectively connected to the connector. The 3rd pin, 2nd pin, 5th pin, 7th pin, 9th pin, 8th pin, 10th pin, 1st pin and 6th pin of A are connected and corresponding The signals of the respective pins are transmitted. The 3rd pin, 2nd pin, 5th pin, 7th pin, 9th pin, 8th pin and 10th pin of connector A correspond to BMS respectively. The 12th pin, 12th pin, 11th pin, 15th pin, 16th pin, 17th pin, 18th pin, and 14th pin are connected correspondingly and transmit the signal of the corresponding pin, Pin 6 and pin 1 of connector A are grounded.

Pin 1 of the battery fluid pump PUMP_2_B is grounded to GND. The pin 3 of the battery liquid pump PUMP_2_B is connected with the relays Cooling Pump_RLY and KL30 and connected to the pin 111 of the central processing unit 100 to transmit the Pump_2_ON signal. The pin 2 of the battery liquid pump PUMP_2_B is connected to the pin 112 and the pin 62 of the central processing unit 100 respectively, and is used to transmit the Pump_2_PWM signal, the Pump_2_FB signal and the PWM IN/OUT signal respectively.

For the common charging pin NC_PORT pin, it has pins 1-12, voltage output pins (AC_L and AC_N) and grounding pin PE, wherein, the pins 1-12 of the common charging pin NC_PORT are connected to the The 1st pin to the 12th pin of the plug-in B are connected and correspondingly transmit the signals of the respective pins. The 1st pin to the 11th pin of the connector B are also connected with the 29th pin, 30th pin, 21st pin, 22nd pin, 23rd pin, 24th pin, 9th pin of BMS respectively. The pins, the 8th pin and the 10th pin are correspondingly connected and transmit the signals corresponding to the respective pins, and the 12th pin of the connector B is grounded.

The first pin of the BMS is connected to the car power supply KL30, which is used to control the connection between the car power supply KL30 and the BMS system (specifically, the PWR signal), so that the car power supply supplies power to the BMS, and the 19th pin of the BMS is grounded. The 7th pin of the BMS is connected to the 82nd pin of the central processing unit 100 of the integrated vehicle control device 1, and the BMS is woken up when the central processing unit 100 outputs a high-level signal BMS_ON. The 32nd pin of the BMS is connected to the 61st pin of the central processing unit 100, and when the central processing unit 100 outputs the charging wakeup signal Wakeup_VCU, the BMS is woken up. The second pin of BMS is connected with the air bag module (Air Bag Module, ABM), which is used to transmit the Crash_IN signal. The 3rd pin and the 4th pin of the BMS are respectively connected with the 10th pin and the 1st pin of the microcontroller MCU, and the 2nd pin and the 1st pin of the Electronic air conditioning compressor (EAC). It is connected to the 26th pin and the 27th pin of the CDU for transmitting the signal PT_CAN_H and the signal PT_CAN_L. The pins 27 and 28 of the BMS system are connected to the pins 30 and 32 of the EDU system, and the BMS transmits the signals CCS_P_CON and CCS_P_CON_FB to the CDU system to control the relay CCS_RLY_P in the CDU system.

For the CDU system, its pin 21 is connected to the 90th pin of the central processing unit 100 for transmitting the control signal DCDC_EN to realize the DC/enable control of the CDU. The pins 9 and 10 of the CDU system are respectively connected with C and B (the letters in the circle can be understood as wire number connectors, and the same letters indicate that the wire harness is connected.), which are used to transmit HVIL+ signals and HVIL- signals. The 33rd pin of the CDU system is respectively connected to the low-voltage interface of the water PTC, and the 33rd pin of the CDU system is connected to the 110th pin of the central processing unit 100. The PTC_RLYCON signal is transmitted between the central processing unit 100 and the CDU system to realize the Control of relay PTC_RLY. The 11th and 25th pins of the CDU system are connected to the power supply KL30, the fuse is connected between the power supply KL30 and the 11th and 25th pins of the pins, and the 12th and 24th pins are connected to the power ground KL31. ground. For the CDU system, the 12V+ output is connected to the 12V+ of the 12V Bat, and the GND pin of the 12V Bat is grounded.

For a microcontroller (Micro Controller Unit, MCU) system, its pin 7 is connected to B and transmits the HVIL_OUT signal, and the 40th pin of the central processing unit 100 is connected to D (the letter in the circle can be understood as a wire number connector , the same letter indicates that the harness is connected) connection for transmitting the HVIL_IN signal, where D and B are butted. Pin 6 of the MCU and pin 105 of the central processing unit 100 are both connected to A for transmitting the HVIL_OUT signal and the HVIL_IN signal. The pin 2 of the MCU is connected to the pin 83 of the central processing unit 100 for transmitting the MCU_EN signal (active high).

For the EAC, the pin 6 of the EAC is correspondingly connected to the pin 106 of the central processing unit 100, and transmits the EAC_EN signal and the 6EAC_ON signal respectively. Pins 4 and 5 of the EAC are connected to C and D, respectively, which transmit the HVIL+ signal and the HVIL- signal, respectively. Pin 3 of 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 heating/cooling damper, a circulation damper, and an evaporator (not shown in the figure) of an automobile.

The central processing unit 100 realizes the control of the compressor, the condenser, the blower, the mode damper, the cooling and heating damper, and the evaporation based on the temperature inside the vehicle, the temperature outside the vehicle, the mode signal transmitted by the mode damper, and the heating and cooling demand signal transmitted by the cooling and heating damper. control of the device.

As shown in FIG. 3 , the B pin and the C pin of the circulation damper are respectively connected to the FF pin of the central processing unit 100 for transmitting the Circle_+ signal and the Circle_- signal. The B pin, C pin, F pin, D pin and E pin of the mode damper are respectively connected with the FF pin of the central processing unit 100 for transmitting Mode_+ signal, Mode_- signal, VCC_3 signal, Mode_FB signal and GND signals.

As shown in FIG. 3 , the B pin, C pin, F pin, D pin and E pin of the cooling and heating door are respectively connected to the FF pin of the central processing unit 100 for transmitting Mix_+ signal, Mix_- signal, VCC_3 signal, Mix_FB signal and GND_4 signal.

According to some embodiments of the present application, the Mix_+ signal and the Mix_- signal are two wires of the windings of the cooling and heating damper, and the reversal of the cooling and heating damper is controlled by supplying positive and negative polarity power to these two wires; the VCC3 signal is a 5V power supply , the GND4 signal is the power ground, and the Mix_FB signal is the damper position feedback signal.

Each F pin of the compressor HVAC is connected to the FF pin of the central processing unit 100 (the FF pin is not assigned a specific number for the time being), and the three pins are used to transmit the T_Incar signal, the T_EVP signal, the GND signal, and the T_APTC signal respectively. Signal. The remaining three pins are ground pins and connected.

Each F pin of the blower Blower is correspondingly connected to each FF pin of the central processing unit, and the first F pin is connected to the relay KL30 and is connected to one of the FF pins of the central processing unit 100 to make the central processing unit 100 to the blower Blower. Transmit wake-up signal Blower_ON. The second F pin and the third F pin receive the input signal Blower_Con of the central processing unit 100 and the output signal Blower_FB transmitted by the blower Blower to the central processing unit 100, respectively.

In some embodiments of the present invention, the third component 202 includes, but is not limited to, the power supply component of the automobile, a first temperature sensor and a second temperature sensor;

the power supply unit is used for supplying power to the vehicle control device;

The first temperature sensor is used to collect the temperature in the vehicle, and the second temperature sensor is used to collect the temperature of the motor;

The central processing unit realizes the control of the safety warning system of the whole vehicle and the control of the air conditioning system 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 of the FF pins of the central processing unit 100 to transmit the T_AMB signal. The other F pin of the ambient temperature sensor T_AMB is connected to one of the FF pins of the central processing unit 100 and grounded at the same time.

The second temperature sensor may be a motor temperature sensor T_M_Sensor, and the pin 1 of the motor temperature sensor T_M_Sensor is connected to the pin 32 of the central processing unit 100 for transmitting the Sig_T signal. The pin 21 of the motor temperature sensor T_M_Sensor is connected to the pin 13 of the central processing unit 100 and grounded at the same time.

In addition, as shown in Fig. 3, the third component also includes: Chiller electronic expansion valve, electronic expansion valve EXV, electronic condensation fan FAN, pressure switch P_SWITH, and wind PTC (APTC).

Wherein, the central processing unit 100 is also connected with the Chiller electronic expansion valve, one pin of the Chiller electronic expansion valve is connected with the 67th pin of the central processing unit 100, the other pin is grounded, and the last pin is connected with the KL30 relay.

The electronic expansion valve EXV is connected to the relay To EVP, and the To EVP is connected to 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 active.

Pin 1 of the electronic cooling fan FAN is connected to the relays FAN_RLY and KL30 and connected to a pin FF of the central processing unit 100 for transmitting the FAN_RLY_ON signal (active low). Pin 3 of the electronic cooling fan FAN is connected to two pins FF of the central processing unit 100, and is used to transmit the FAN_PWM signal, the FAN_FB signal and the PWM IN/OUT signal respectively. The pin 4 of the electronic cooling fan FAN is connected to the pin FF of the central processing unit 100 for transmitting the FAN_EN signal.

The two F pins of the pressure switch P_SWITH are both grounded, and the other two F pins of the pressure switch P_SWITH are respectively connected to the two pins FF of the central processing unit 100 to transmit the P_HL signal and the P_M signal respectively.

The three F pins of the APTC are respectively connected to the pins FF of the central processing unit 100, and are respectively used to transmit the APTC_ON signal, the APTC_PWM signal and the APTC_FB signal. The other F pin of APTC is grounded to GND.

Wherein, when the central processing unit 100 has a terminal resistance, the pins 6 and 7 of the central processing unit 100 are used to transmit the PT_CAN_H signal and the PT_CAN_L signal respectively. When the central processing unit 100 does not have a terminating resistor, the pins 65 and 66 of the central processing unit 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.

For KL30, it is connected to pin 1, pin 2, pin 114, pin 115, pin 117, pin 119, and pin 109 of the central processing unit 100 respectively. For the KL30 of pin 1 and pin 2, its working current is 200mA, and the working current of the pins 114, 115, 117, 119 and 109 connected to the central processing unit 100 is 3A . For the KL15, it is related to the pin 49 of the central processing unit 100. For the KL31, it is connected to the pin 4, the pin 5, the pin 116, the pin 118, the pin 120, and the pin 121 of the central processing unit 100, respectively.

It should be noted that the above application scenarios only enumerate some of the first components, the second components, and the third components. The first components, the second components, and the third components may also be other types of components. This is not limited. In addition, the pins of the central processing unit 100 may also be more pins, and the embodiment of the present invention is not limited to the number of pins mentioned above.

Further, the number of pins in the first port of the integrated vehicle control device, the number of pins in the second port and the number of pins in the third port correspond to the numbers of the first component, the second component and the third component. set up. That is to say, 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 can be expanded. If the first part, the second part and the third part are added later, Then the pins in the first port, the pins of the second port and the pins of the third port can be expanded in accordance with the increased number of the first part, the second part and the third part.

The functional elements in the integrated vehicle control device may be as shown in Table 1 below, and the information parameters of each functional element in the integrated vehicle control device are shown in Table 1 below.

Table 1

Among them, the above Table 1 lists the interface types, signal functions, electrical parameters, VCU hardware channels and the number of pins of some of the first, second and third components. The interface types, signal functions, electrical parameters, VCU hardware channels, and numbers of pins of the three components may also be of other types, which are not limited in this embodiment of the present invention. In addition, the pins of the central processing unit 100 may also be more pins, and the embodiment of the present invention is not limited to the number of pins mentioned above.

It is worth noting that the first component, the second component and the third component shown in FIG. 3 are only examples, and the first component, the second component and the third component may also include other functional elements according to the actual situation. The names of the signals shown can also be customized, and the embodiment of the present invention is not limited to the signal names mentioned above.

In addition, an embodiment of the present invention also discloses an electric vehicle, comprising: the integrated vehicle control device as mentioned in the above embodiments.

An integrated vehicle control device and an electric vehicle are disclosed in the embodiments of the present invention. The integrated vehicle control device can meet the control requirements of the vehicle controller and the control requirements of the vehicle air conditioner controller. The first port is connected to The data transmitted by the first device, the second component connected to the second port, and the third component connected to the third port are all processed by a central processing unit integrated in a circuit board, and the cached data is cached by a memory. On the one hand, compared with the way in which the vehicle controller and the vehicle air conditioner controller are independently arranged in the prior art, the integrated automobile control device provided by the embodiment of the present invention occupies less space in the interior of the automobile; and compared with the prior art The mid-vehicle controller and the automobile air-conditioning controller respectively use their own central processing unit and memory. In the embodiment of the present invention, only one central processing unit and one memory are used, which avoids waste of resources. On the other hand, in the embodiment of the present invention, there is no need to introduce the connecting wire harness connecting the vehicle controller and the automobile air conditioner controller in the prior art, the wiring in the vehicle is simple, and it is not easy to cause potential safety hazards.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. scope.

Claims (10)

1. An integrated automobile control device, characterized in that the automobile control device comprises a central processing unit and a memory integrated in a circuit board; wherein The circuit board is further provided with a first port, a second port and a third port; The first port is connected to the first component that only realizes the vehicle control requirements of the automobile, the second port is connected to the second component that only realizes the air conditioning control requirements of the automobile, and the third port is connected to the same time. The third component of the vehicle control demand of the automobile and the air conditioning control demand is connected; The central processing unit and the memory are respectively connected to the first port, the second port and the third port for providing data processing services and storage services. 2. The integrated vehicle control device according to claim 1, wherein the integrated vehicle control device is designed in one piece and packaged in a sealed housing; wherein The first port, the second port and the third port extend out of the housing wall of the sealed housing, and the first port, the second port and the third port are connected to the A sealing member is provided at the joint of the sealing shell. 3 . The integrated automobile control device according to claim 1 , wherein the first port, the second port and the third port of the integrated automobile control device are respectively connected with the connector through a connector. 4 . the first part, the second part and the third part are connected; wherein The first port includes at least one first pin, and the first pin is respectively electrically connected to each functional element in the first component; The second port includes at least one second pin, and the second pin is respectively electrically connected to each functional element in the second component; 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 device according to claim 1 , wherein the communication between the central processing unit and the first component, the second component and the third component is through CAN bus. 5 . 5. The integrated automobile control device according to any one of claims 1-4, 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 The central processing unit controls the rotational speed of the motor based on the signals transmitted by the accelerator pedal sensor, the electronic vacuum pump and the brake pedal sensor, so as to control the speed of the entire vehicle. 6. The integrated vehicle control device according to claim 5, wherein the first component further comprises a battery management system and a CDU system of the vehicle, and the central processing unit is based on the battery management system and the CDU system. The voltage-related signals transmitted by the CDU system realize the control of battery enable and DC/DC enable. 7. The integrated vehicle control device according to any one of claims 1 to 4, wherein the second component comprises a compressor, a condenser, a blower, a mode damper, a heating/cooling damper and an evaporator of the vehicle ; The central processing unit implements control of the compressor, condenser, blower, Control of mode dampers, heating and cooling dampers and evaporators. 8. The integrated automobile control device according to any one of claims 1-4, wherein the third component comprises: a power supply component of the automobile, a first temperature sensor and a second temperature sensor; the power supply unit is used for supplying power to the vehicle control device; The first temperature sensor is used to collect the temperature in the vehicle, and the second temperature sensor is used to collect the temperature of the motor; The central processing unit realizes the control of the safety warning system of the whole vehicle and the control of the air conditioning system based on the temperature in the vehicle and the temperature of the motor. 9. The integrated automobile control device according to any one of claims 1-4, wherein the number of pins in the first port of the integrated automobile control device, the number of pins in the second port The number of pins and the number of pins of the third port are set correspondingly according to the numbers of the first component, the second component and the third component. 10. An electric vehicle, characterized by comprising: the integrated vehicle control device according to any one of claims 1-9.

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