CN215117263U

CN215117263U - Automatically controlled handle debugger based on CAN bus

Info

Publication number: CN215117263U
Application number: CN202121611690.6U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shandong Aersheng Electric Co ltd
Current assignee: Shandong Aersheng Electric Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-10
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses an electric control handle debugger based on CAN bus, which comprises a power module, a central processing module, a display input module, a CAN bus communication module and an IO control module; the power supply module is used for providing power supply for the central processing module, the display input module, the CAN bus communication module and the IO control module; the central processing module is respectively connected with the display input module, the CAN bus communication module and the IO control module; the display input module is used for displaying data collected from the CAN bus and a user input instruction; the CAN bus communication module is used for interacting data with the electric control handle; and the IO control module is connected with the stepping motor driver and used for controlling the calibration of the zero point and the stroke of the electric control handle. The utility model discloses an automatically controlled handle debugger, simple structure, the suitability is good, and each module integration is integrative, and the volume is less, and the convenience is good, can look over handle agreement frame data in real time, has application prospect.

Description

Automatically controlled handle debugger based on CAN bus

Technical Field

The utility model relates to a CAN bus debugging tool technical field relates to an automatically controlled handle debugger based on CAN bus.

Background

The electric control handle based on the CAN bus has the main functions of detecting the angle changes of an X axis and a Y axis and outputting angle information to the CAN bus according to a J1939 protocol, and is widely applied to the engineering machinery industry at present. The electric control handle has different zero points and strokes due to installation errors and mechanical dimension errors, and the zero point and the stroke of each handle need to be calibrated.

In actual production, specially-made calibration equipment is needed for calibrating the zero point and the stroke of the electric control handle, and a CAN analyzer is usually matched with a PC end upper computer to complete the calibration function. But the set of calibration systems is costly and not portable. In the after-sales maintenance process, the handle protocol frame on the CAN bus needs to be collected, analyzed and recorded, and whether the electric control handle works normally is judged. At present, a CAN data recorder is adopted to collect relevant data, the collected data is stored by an SD card in the existing CAN data recorder, and the data in the SD card CAN be checked only at a PC (personal computer) end, so that real-time checking of handle protocol frame data cannot be realized.

Therefore, the development of the electric control handle debugging equipment which is low in cost, good in portability and capable of realizing real-time checking of handle protocol frame data is of great practical significance.

SUMMERY OF THE UTILITY MODEL

Because prior art has above-mentioned defect, the utility model provides a low cost, portability are good and can realize the automatically controlled handle debugging equipment who looks over in real time to handle protocol frame data to solve current automatically controlled handle debugging data acquisition equipment cost too high, the portability is poor and can't realize the problem of looking over in real time to handle protocol frame data.

In order to achieve the above object, the utility model provides a following technical scheme:

an electric control handle debugger based on a CAN bus comprises a power supply module, a central processing module, a display input module, a CAN bus communication module and an IO control module;

the power supply module is used for providing power supply for the central processing module, the display input module, the CAN bus communication module and the IO control module;

the central processing module is respectively connected with the display input module, the CAN bus communication module and the IO control module;

the display input module is used for displaying data collected from the CAN bus and user input instructions;

the CAN bus communication module is used for interacting data with the electric control handle;

and the IO control module is connected with the stepping motor driver and used for controlling the calibration of the zero point and the stroke of the electric control handle.

The utility model discloses an automatically controlled handle debugger based on CAN bus, overall structure is simple, it is based on CAN bus development, the suitability is good, each module integration is integrative, the volume is less, the convenience is good, automatically controlled handle debugger acquires relevant data through CAN bus communication module, CAN show in real time on showing input module, IO control module control step motor through external two way step motor driver motion CAN accomplish the demarcation to automatically controlled handle zero point and stroke in addition, it is convenient to use, CAN greatly improve the demarcation efficiency of automatically controlled handle, have application prospect.

As a preferred technical scheme:

according to the electric control handle debugger based on the CAN bus, the power supply module is a stabilized voltage power supply to provide a stabilized voltage direct current power supply for each module.

As above-mentioned an automatically controlled handle debugger based on CAN bus, it is the various screen of resistance type touch that display input module is, and its resolution ratio is 480 x 272, the utility model discloses a protection scope is not limited to this, also CAN adopt keyboard + display to replace the various screen of resistance type touch, and of course its convenience of use is not as good as the various screen of resistance type touch, and the resolution ratio of the various screen of resistance type touch also CAN set up according to actual need.

The electric control handle debugger based on the CAN bus is characterized in that the central processing module is an MCU, and the MCU is connected with the display input module through an LTDC interface (i.e. a display interface, i.e. connected with a display screen) and an SPI interface (i.e. a control interface, i.e. connected with a touch device through the interface), respectively. The MCU is an STM32H750 model, specifically drives a Flash chip (specifically an XPT2046 chip through which touch coordinates are collected) through an SPI bus, is used for storing configuration parameters and a word stock, drives a MicroSD through an SDIO interface, is used for storing data collected from a CAN bus, realizes a CAN message storage function, and drives a resistive screen touch chip through the SPI bus to realize resistive screen touch control; the display interaction function is realized by driving a 4.3-inch LCD (liquid crystal display) through an LTDC (low temperature DC) interface, and in a 480 × 272 and RGB565 mode; and the CAN transceiver (SN65HVD233) is driven by the CAN bus to communicate with the external electric control handle.

The utility model discloses a software that central processing module, display input module, CAN bus communication module and IO control module involved is current mature technology, reaches rather than the software that carries on the complex PC end host computer as an exception with present CAN analysis appearance. The utility model discloses a with each module miniaturization, integrate with improve equipment's convenience, reduce equipment cost, and then realize looking over in real time handle protocol frame data.

Compared with the prior art, the utility model has following advantage or beneficial effect:

the utility model discloses an automatically controlled handle debugger based on CAN bus, overall structure is simple, it is based on CAN bus development, the suitability is good, each module integration is integrative (compare in prior art-need CAN analysis appearance or CAN data record appearance and PC end host computer cooperation), the volume is less, the convenience is good, automatically controlled handle debugger acquires relevant data through CAN bus communication module, CAN show in real time on the display input module, in addition CAN accomplish the demarcation to automatically controlled handle zero point and stroke through the IO control module control step motor motion of external two way step motor driver, it is convenient to use, CAN greatly improve automatically controlled handle's demarcation efficiency, have application prospect.

Drawings

The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is the utility model discloses an automatically controlled handle debugger's each parts connection relation sketch map based on CAN bus.

Detailed Description

The structure of the present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Example 1

An electric control handle debugger based on a CAN bus is shown in figure 1 and comprises a power supply module, a central processing module, a display input module, a CAN bus communication module and an IO control module;

the power supply module is a stabilized voltage power supply and is used for providing a stabilized voltage direct current power supply for the central processing module, the display input module, the CAN bus communication module and the IO control module;

the display input module is used for displaying data collected from the CAN bus and user input instructions, and is specifically a resistance type touch color screen with the resolution of 480 x 272;

the CAN bus communication module is used for interacting data with the electric control handle, and is specifically a CAN transceiver (SN65HVD 233);

the IO control module is connected with the stepping motor driver and used for controlling the calibration of the zero point and the stroke of the electric control handle;

the central processing module is an MCU of model STM32H750, which is connected with the display input module through an LTDC interface (display interface, namely connected with a display screen through the interface) and an SPI interface (control interface, namely connected with a touch device through the interface), and is communicated with an external electric control handle through a CAN bus driving CAN transceiver (SN65HVD233), and the MCU is also connected with an IO control module.

In conclusion, the application provides an automatically controlled handle debugger based on CAN bus, overall structure is simple, it is based on CAN bus development, the suitability is good, each module integration is integrative (compare in prior art-need CAN analysis appearance or CAN data record appearance and PC end host computer cooperation), it is less, the convenience is good, automatically controlled handle debugger obtains relevant data through CAN bus communication module, CAN show in real time on the display input module, in addition CAN accomplish the demarcation to automatically controlled handle zero point and stroke through the IO control module control step motor motion of external two way step motor driver, it is convenient to use, CAN greatly improve the demarcation efficiency of automatically controlled handle, have application prospect.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention, and are not described herein.

The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.

Claims

1. The utility model provides an automatically controlled handle debugger based on CAN bus which characterized in that: the system comprises a power supply module, a central processing module, a display input module, a CAN bus communication module and an IO control module;

2. The CAN bus-based electrically controlled handle debugger according to claim 1, wherein the power module is a regulated power supply.

3. The CAN-bus-based electric control handle debugger as claimed in claim 1, wherein the display input module is a touch screen.

4. The CAN bus-based electric control handle debugger as claimed in claim 3, wherein the central processing module is an MCU, and the MCU is connected with the display input module through an LTDC interface and an SPI interface, respectively.