CN212447399U

CN212447399U - Low-power-consumption energy-saving vehicle-mounted controller

Info

Publication number: CN212447399U
Application number: CN202020826420.6U
Authority: CN
Inventors: 曾广慧; 田锋
Original assignee: Inbo Supercomputing Nanjing Technology Co Ltd
Current assignee: Inbo Supercomputing Nanjing Technology Co Ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-02-02
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a low-power-consumption energy-saving vehicle-mounted controller, belonging to the technical field of vehicle-mounted controllers, comprising a connector module, a CAN communication module, a 4G communication module, a high-efficiency BUCK power supply 1, a common BUCK power supply 2, a power management chip, a CPU module, a power supply module, a communication module and a signal acquisition module, wherein the connector is connected with the CAN communication module through IG electric wake-up, the low-power-consumption energy-saving vehicle-mounted controller is provided with a CPU template, a BUCK2, a BUCK1 and a CAN communication module, wherein a power supply module consists of a BUCK power supply 2 for supplying power to the CPU and a high-efficiency BUCK power supply 1 for supplying power to the communication module, when the vehicle-mounted controller enters a dormant state, the power supply 2 of the CPU is switched off by inputting an enable signal, the power supply does not consume power, the high-efficiency power supply 1 is selected to supply power to the communication module, in the sleep mode, the communication module enters the software sleep mode, has low power consumption and can receive an external wake-up signal.

Description

Low-power-consumption energy-saving vehicle-mounted controller

Technical Field

The utility model relates to a vehicle-mounted controller technical field specifically is an energy-conserving vehicle-mounted controller of low-power consumption.

Background

The automobile in daily life becomes an essential part for traveling, the automobile is only a travel tool from the original, the automobile evolves step by step, a plurality of new technologies are integrated to serve drivers and passengers, from the center Control entertainment, keyless entry, position memory, backing images to safe auxiliary driving and the like, the intellectualization of the automobile is researched in a fierce manner, the automobile can bear more electronic Control units and the like, hundreds of Electronic Control Units (ECUs) are integrated on the existing automobile, better service and safer auxiliary driving application are brought to users, and the existing automobile ECUs are mostly composed of a plurality of basic modules: the power module is responsible for supplying power to the whole system, and converts the vehicle-mounted level 12V or 24V voltage into the voltage required by each module IC, and comprises a filter protection circuit, an external power supply is divided into two types, the battery power supply source of the automobile is also called normal power, the battery power supply source is switched to a generator for supplying power and is also called IG power after ignition, the communication module is provided with a CAN transceiver or the communication of other specific modules, 4G communication, Ethernet and the like, the MCU is a control center of the system and is responsible for processing calculation and processing of data, the acquisition module is responsible for converting the level of an externally input switching signal, the power module is generally composed of a power switch, CAN be a relay, an MOS (metal oxide semiconductor) tube or an integrated drive IC (integrated circuit), and is controlled by the MCU to externally drive and output

However, a problem is also brought, many ECUs enter a sleep mode in an automobile flameout state, but still consume a certain amount of battery power, which may cause a user to need to replace an automobile battery more frequently, and user experience is affected to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-conserving on-vehicle controller of low-power consumption to propose among the solution above-mentioned background art and get into the sleep mode, nevertheless still can consume certain battery power, can lead to the user to need comparatively frequent change car storage battery, but this kind of low-power consumption scheme still has certain battery power consumption, the problem in the space of optimizing in addition.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an energy-conserving on-vehicle controller of low-power consumption, includes connector module, CAN communication module, 4G communication module, high-efficient BUCK power 1, ordinary BUCK power 2, power management chip and CPU module, power module, communication module and signal acquisition module, the connector awakens up through IG electricity and is connected with CAN communication module, CAN communication module through CANL/H with be connected, the connector is connected with BUCK1 through VBAT, CAN communication module is connected with BUCK2, BUCK2 is connected with PMIC, BUCK1 is connected with the 4G module, PMIC is connected with the CPU module.

Preferably, the power supply module consists of a BUCK power supply 2 for supplying power to the CPU and an efficient BUCK power supply 1 for supplying power to the communication module.

Preferably, the power supply 2 of the CPU inputs the enable signal to be turned off, and the high-efficiency power supply 1 is selected to supply power to the communication module.

Preferably, the communication module enters a software sleep mode, has low power consumption and can receive an external wake-up signal.

Preferably, the communication module has a CAN transceiver, a 4G communication module or other communication modes.

Preferably, the 4G module receives the remote wake-up message, and wakes up the power supply 2, so that the CPU is in a normal operating state.

Preferably, the signal acquisition module processes input level conversion of the external switch signal. And sending the ignition signal to the CAN transceiver integrated interrupt to wake up.

Compared with the prior art, the beneficial effects of the utility model are that: the low-power-consumption energy-saving vehicle-mounted controller is provided with a CPU template, a BUCK2, a BUCK1 and a CAN communication module, wherein the power module consists of a BUCK power supply 2 for supplying power to the CPU and a high-efficiency BUCK power supply 1 for supplying power to the communication module, when the power module enters a dormant state, an input enabling signal of the power supply 2 of the CPU is turned off, the power supply does not consume power, the high-efficiency power supply 1 is selected for supplying power to the communication module, when the communication module enters a software dormant mode under the dormant mode, the power consumption is low, an external wake-up signal CAN be received, the communication module is provided with a CAN transceiver, a 4G communication module or other communication modes, the CAN transceiver CAN receive the external ignition signal to wake up under the dormant mode, or CAN output a wake-up control signal when detecting the wake-up message on a CAN bus, the power supply 2 is enabled to be effective, or the 4G, the power supply 2 is awakened, the CPU is in a normal working state, the acquisition module processes input level conversion of an external switch signal, an ignition signal is sent to the CAN transceiver for integration interruption and awakening, the sleeping power consumption of the vehicle-mounted ECU CAN be further reduced, the service life of a battery is prolonged, the vehicle using experience of a user is improved, and the competitiveness of products CAN be improved for part manufacturers.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "fixed," "sleeved," and the like are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, can be connected inside two elements or can be in an interaction relationship between the two elements, and the specific meaning of the terms in the present invention can be understood according to specific situations by those skilled in the art

Referring to fig. 1, the present invention provides a technical solution: the utility model provides an energy-conserving on-vehicle controller of low-power consumption, including the connector module, CAN communication module, 4G communication module, high-efficient BUCK power 1, ordinary BUCK power 2, power management chip and CPU module, power module, communication module and signal acquisition module, the connector awakens through IG electricity and is connected with CAN communication module, CAN communication module through CANL/H with be connected, the connector is connected with BUCK1 through VBAT, CAN communication module is connected with BUCK2, BUCK2 is connected with PMIC, BUCK1 is connected with 4G module, PMIC is connected with the CPU module.

Referring to fig. 1, the power module includes a BUCK power supply 2 for supplying power to the CPU and a high-efficiency BUCK power supply 1 for supplying power to the communication module, the power supply 2 of the CPU is turned off when the input enable signal is turned off, and the high-efficiency BUCK power supply 1 is selected for supplying power to the communication module, which does not consume power.

Referring to fig. 1, the communication module enters a software sleep mode, has low power consumption, and CAN receive an external wake-up signal, and includes a CAN transceiver, a 4G communication module, or other communication methods.

Referring to fig. 1, the 4G module receives the remote wake-up message and wakes up the power supply 2 to make the CPU in a normal operating state, and the signal acquisition module processes the input level conversion of the external switch signal and transmits the ignition signal to the CAN transceiver for integrated interrupt wake-up.

The working principle is as follows: firstly, the low-power-consumption energy-saving vehicle-mounted controller consists of a connector module, a CAN communication module, a 4G communication module, a high-efficiency BUCK power supply 1, a common BUCK power supply 2, a power management chip and a CPU, wherein the connector module is as follows: be responsible for the interconnection of ECU and automobile body, the interaction of information and for the ECU power supply, the transmission of ECU and whole car CAN bus information is realized to CAN communication module, 4G communication module: the remote communication and the network access of the vehicle body module are realized, and the high-efficiency power supply 1: the power supply is in a normal working mode, supplies power to the 4G module, enters a light load mode when the 4G module is in a dormant state (low current), the efficiency is more than 92%, and the power supply 2: for the main power supply of system, when getting into low-power consumption, CAN be closed output therefore no consumption, enable signal connection to CAN, the power of 4G module awakens the pin to the awakening control of CAN and 4G module is logical relation of OR, and the special CPU (central processing unit) power supply of PMIC is the main load of system, and the module gets into low-power consumption and awakening mode: the ignition signal does not detect the input of the ignition signal, the CAN transceiver integrated local awakening output controls the enabling of the power supply 2 to be closed, the enabling is opened after the ignition signal is detected, and the CAN transceiver is awakened through the CAN message. After receiving awakening information on the bus, CAN transceiver control opens 2 enables of power, the system gets into normal operating mode, three, when the 4G module long-range receipt wireless dormancy signal, module off power 2 enables, 2 rear ends of power just CAN not produce any consumption, communication module self also CAN enter into software dormancy mode, CAN consume extremely low consumption, keep the state that CAN accept external information simultaneously, when receiving long-range awakening information, awaken self 4G module earlier and get into normal operating mode, the power 2 enables is opened in the control again, thereby make the system get into normal work.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an energy-conserving on-vehicle controller of low-power consumption, includes connector module, CAN communication module, 4G communication module, high-efficient BUCK power 1, ordinary BUCK power 2, power management chip and CPU module, power module, communication module and signal acquisition module, its characterized in that: the connector awakens through IG electricity and is connected with CAN communication module, CAN communication module through CANL/H with be connected, the connector is connected with BUCK1 through VBAT, CAN communication module is connected with BUCK2, BUCK2 is connected with PMIC, BUCK1 is connected with the 4G module, PMIC is connected with the CPU module.

2. The low-power-consumption energy-saving vehicle-mounted controller according to claim 1, characterized in that: the power supply module is composed of a BUCK power supply 2 for supplying power to the CPU and a high-efficiency BUCK power supply 1 for supplying power to the communication module.

3. The low-power-consumption energy-saving vehicle-mounted controller according to claim 1, characterized in that: and the power supply 2 of the CPU inputs an enabling signal to be turned off, and a high-efficiency power supply 1 is selected to supply power to the communication module.

4. The low-power-consumption energy-saving vehicle-mounted controller according to claim 1, characterized in that: the communication module enters a software sleep mode, has low power consumption and can receive an external wake-up signal.

5. The low-power-consumption energy-saving vehicle-mounted controller according to claim 1, characterized in that: the communication module is provided with a CAN transceiver, a 4G communication module or other communication modes.

6. The low-power-consumption energy-saving vehicle-mounted controller according to claim 1, characterized in that: and when the 4G module receives the remote wake-up information, the power supply 2 is wakened up, so that the CPU is in a normal working state.

7. The low-power-consumption energy-saving vehicle-mounted controller according to claim 1, characterized in that: and the signal acquisition module processes input level conversion of an external switch signal and transmits an ignition signal to the CAN transceiver for integrated interrupt awakening.