CN213649759U - Vehicle controller flash device - Google Patents

Abstract

The application discloses vehicle controller device of writing with a brush, include the wireless communication part with external communication, the wireless communication part is connected to the control unit, the control unit still be connected with can with vehicle OBD interface connection's transceiver components, the control unit is used for control the wireless communication part obtains the update package from the outside and will the update package passes through transceiver components are brushed and are write to in the vehicle controller. Utilize the above-mentioned vehicle controller device of writing with a brush that this application provided, can write with a brush simultaneously to the controller of a plurality of vehicles, improve the convenience of writing with a brush, reduce detection cost simultaneously.

Description

Vehicle controller flash device

Technical Field

The utility model belongs to the technical field of the vehicle detects, especially, relate to a vehicle controller device of writing with a brush.

Background

Under the current situation, the updating rhythm of the vehicle controller strategy is faster and faster, and more requirements for updating the real vehicle controller also appear in the process of research and development of automobiles to mass production. In the prior art, two devices can be adopted for updating, including a diagnostic apparatus and an OTA, wherein for the diagnostic apparatus, when the flash is directly performed through a CANoe tool or a special diagnostic apparatus, the flash is directly communicated with a gateway node through an OBD through the CANoe tool, and the data and the feedback data of a controller are flash routed through the gateway, because the tool has high cost and large volume, and does not support the flash of a plurality of vehicles at the same time, when a plurality of vehicles to be refreshed are provided, the efficiency is low; according to OTA, an actual vehicle TBOX node is used, the controller in the network segment is communicated with a server through a 4G network, the program is updated, when FOTA (firmware over the air) is refreshed through the TBOX, due to the fact that assistance of a special background server provider is needed, refreshing cost is high, operation is inflexible, troubleshooting and positioning are not easy after refreshing is failed, refreshing is usually conducted after a vehicle is sold, a terminal user establishes an account and then is matched with the refreshing, cost is high, certain limitation is achieved, and each OTA can only refresh one vehicle.

Therefore, the existing schemes can not carry out the flash operation on a plurality of vehicle controllers at the same time, the cost is high, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a vehicle controller device of writing with a brush can realize that the controller to a plurality of vehicles is brushed with a brush simultaneously, improves the convenience of writing with a brush, reduces the detection cost simultaneously.

The utility model provides a pair of vehicle controller device of writing with a brush includes the wireless communication part with external communication, the wireless communication part is connected to the control unit, the control unit still be connected with can with vehicle OBD interface connection's receiving and dispatching part, the control unit is used for control the wireless communication part acquires the update procedure package and will from the outside the update procedure package passes through the receiving and dispatching part is brushed and is write to in the vehicle controller.

Preferably, in the vehicle controller writing apparatus, the wireless communication unit is a bluetooth communication unit, a 4G communication unit, a Wi-Fi communication unit, or a 5G communication unit.

Preferably, the vehicle controller writing apparatus further includes a power management unit connected to the wireless communication unit and the control unit at the same time.

Preferably, in the vehicle controller writing apparatus, the transmission/reception unit is a CAN transceiver.

Preferably, in the vehicle controller writing apparatus, the control unit is a cpu.

Preferably, in the vehicle controller writing device, the wireless communication unit and the control unit are connected by an SPI communication unit.

Preferably, in the vehicle controller writing apparatus, the power supply management unit is a 5V power supply management unit.

Preferably, in the vehicle controller flash apparatus, the power management unit is an SBC system chip.

Preferably, in the vehicle controller flash apparatus, the control unit further includes a feedback module configured to feed back an obtained flash result to the outside through the wireless communication unit.

Preferably, in the vehicle controller writing apparatus, the wireless communication unit is a wireless communication unit that can communicate with an external mobile terminal or an external computer.

According to the above description, the utility model provides an above-mentioned vehicle controller device of writing with a brush, owing to include the wireless communication part with external communication, the wireless communication part is connected to the control unit, the control unit still be connected with can with vehicle OBD interface connection's transceiver component, the control unit is used for control wireless communication part obtains the update package and will from the outside the update package passes through transceiver component writes with a brush to vehicle controller, consequently outside can be in same time with update package simultaneous transmission for a plurality of vehicle controller devices of writing with a brush, these devices of writing with a brush can both carry out the writing with a brush of update package to vehicle controller that connects separately to utilize the device to write with a brush simultaneously to the controller of a plurality of vehicles, improve the convenience of writing with a brush, reduce detect cost simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic diagram of an embodiment of a vehicle controller flash apparatus provided by the present invention;

FIG. 2 is a schematic diagram of one embodiment of a vehicle controller flash device.

Detailed Description

The core of the utility model is to provide a vehicle controller device of writing with a brush can carry out the while to the controller of a plurality of vehicles and write with a brush, improves the convenience of writing with a brush, reduces the detection cost simultaneously.

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.

An embodiment of a vehicle controller flash apparatus provided by the present invention is shown in fig. 1, fig. 1 is a schematic diagram of an embodiment of a vehicle controller flash apparatus provided by the present invention, the vehicle controller flash apparatus comprises a wireless communication part 1 for communicating with the outside, the wireless communication part 1 can realize wireless communication with the mobile terminal or computer and other equipment outside, and the wireless communication part 1 is connected to a control part 2, the control part 2 is also connected with a transceiving part 3 which can be connected with an OBD interface of a vehicle, the OBD interface is a connector joint, two pins in the joint are respectively a 12V power supply and a ground wire, the two pins can be directly used for supplying power to the flash device, and the control component 2 is used for controlling the wireless communication component 1 to obtain the update program package from the outside and flash the update program package into the vehicle controller through the transceiver component 3.

In actual operation, a program package corresponding to the vehicle controller to be updated can be loaded into a mobile terminal including a smart phone, and the program package can include information such as a bootstrap program, an APPL program, a flashing diagnosis ID, original version number information of the controller to be refreshed, version check information, a VIN code information correspondence table, a secure access key and the like for the vehicle controller, and also include information such as parameters and fingerprints of the flashing process controller.

According to the above description, the utility model provides an in the embodiment of the device is write to above-mentioned vehicle controller, owing to include the wireless communication part with external communication, wireless communication part is connected to control unit, control unit still be connected with can with vehicle OBD interface connection's transceiver component, control unit is arranged in control wireless communication part obtains the update package from the outside and writes the update package to the vehicle controller through transceiver component brush, consequently the outside can be in same time with update package simultaneous transmission for a plurality of vehicle controller devices of writing to, these devices of writing to can both carry out the writing to update package to the vehicle controller of connecting separately, thereby utilize the device to write to the controller of a plurality of vehicles simultaneously, improve the convenience of writing to brush, reduce the detection cost simultaneously.

In one embodiment of the vehicle controller flashing device, the wireless communication component can be a bluetooth communication component, a 4G communication component, a Wi-Fi communication component or a 5G communication component. It should be noted that the first advantage of these wireless communication methods is that it is not necessary to connect a wire, and it is able to use one mobile terminal or computer to transmit an update package to multiple flash devices within a certain range, so as to improve the transmission efficiency, and thus it is able to use multiple flash devices to connect to different vehicles, and implement the simultaneous upgrade of the vehicle controllers of multiple vehicles, and the second advantage is that the transmission rate of these wireless communication methods is much higher than the flash rate between the flash devices and the vehicle controllers, and all the mobile terminals can communicate with multiple flash devices simultaneously, and do not interfere with each other, which supports the requirement of synchronous flash of multiple vehicles, and implements the simultaneous upgrade of the controllers of multiple vehicles, and improves the upgrade efficiency.

In an embodiment of the vehicle controller flashing device, referring to fig. 2, fig. 2 is a schematic diagram of an embodiment of the vehicle controller flashing device, and may further include a power management component 4 connected to the wireless communication component 1 and the control component 2. Specifically, the power management component 4 may be a 5V power management component, and the power management component 4 may be an SBC system chip, and the power management component 4 can control power supply to the wireless communication component 1 and the control component 2 respectively, so as to ensure that the wireless communication component 1 and the control component 2 can operate their respective functions smoothly.

In another embodiment of the above vehicle controller flash apparatus, the transceiver component may be a CAN transceiver capable of converting a binary stream into a differential signal for communication with the vehicle gateway node via an OBD interface, and the CAN transceiver and the OBD interface communicate with each other via CANH and CANL, and the CAN transceiver and the central processing unit communicate with each other via TX and RX.

In another embodiment of the vehicle controller flash apparatus, the control component 2 may be a central processing unit, and further may be capable of analyzing the data of the package and controlling the flash process by using the existing MCU device. And according to the specific flashing flow of the controller to be flashed, the MCU controls the interaction with the controller to be flashed.

It will be appreciated by those skilled in the art that the wireless communication unit 1 and the control unit 2 may be connected by means of an SPI communication unit. It should be noted that the SPI is a Serial Peripheral Interface (Serial Peripheral Interface), which is a high-speed, full-duplex, and synchronous communication bus, and only four wires are occupied on the pins of the chip, thereby saving the pins of the chip, saving space on the layout of the PCB, providing convenience, and certainly, other types of communication components can be selected according to actual needs, and the present invention is not limited herein.

In a preferred embodiment of the vehicle controller flashing device, the control component 2 may further include a feedback module, configured to feed back the obtained flashing result to the outside through the wireless communication component. Specifically, the control component can feed back information of successful or failed flash to the outside to enable an operator to know the situation, can count the flash situation, and can perform targeted investigation on the controller which is not successfully flashed. The number of automatic retries may be set when the flash process is interrupted unexpectedly.

It should be noted that, in the above embodiment of the vehicle controller writing device, the wireless communication component 1 is a wireless communication component capable of communicating with an external mobile terminal or an external computer. The external mobile terminal may be a portable device such as a smart phone or a tablet computer, which can be conveniently held by a hand to be taken to a workshop site for transmitting the program package, or may be a computer including a personal PC, which requires that a terminal such as a personal PC is arranged at the workshop site for transmitting the program package. The brushing device can be small in size and light in weight, supports simultaneous working of multiple machines, is convenient and fast, can brush in parallel, and can perform statistics and positioning on whether brushing succeeds or not.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a vehicle controller device of writing with a brush, includes the wireless communication part with external communication, the wireless communication part is connected to the control unit, the control unit still is connected with the transceiver part that can with vehicle OBD interface connection, the control unit is used for controlling the wireless communication part obtains the update package from the outside and will the update package passes through the transceiver part is written to in the vehicle controller with a brush.

2. The vehicle controller flashing device of claim 1, wherein the wireless communication component is a bluetooth communication component, a 4G communication component, a Wi-Fi communication component, or a 5G communication component.

3. The vehicle controller writing apparatus according to claim 1, further comprising a power management component connected to both the wireless communication component and the control component.

4. The vehicle controller writing apparatus of claim 1, wherein the transceiver component is a CAN transceiver.

5. The vehicle controller writing apparatus according to claim 1, wherein the control component is a central processing unit.

6. The vehicle controller writing apparatus according to claim 1, wherein the wireless communication unit and the control unit are connected by an SPI communication unit.

7. The vehicle controller flashing device of claim 3, wherein the power management component is a 5V power management component.

8. The vehicle controller flashing device of claim 7, wherein the power management component is an SBC system chip.

9. The vehicle controller flashing device according to any one of claims 1-8, wherein the control unit further comprises a feedback module for feeding back the obtained flashing result to the outside through the wireless communication unit.

10. The vehicle controller rewriting device as recited in any one of claims 1 to 8, wherein the wireless communication means is a wireless communication means communicable with an external mobile terminal or an external computer.

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