CN221200388U - Test development system and test development board based on raspberry group - Google Patents
Test development system and test development board based on raspberry group Download PDFInfo
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Abstract
The utility model provides a test development system and a test development board based on raspberry group, wherein the system comprises: the device comprises a power supply module, a display module, an input/output module, a main controller module, a communication interface module, a monitoring module and a raspberry group module; the communication interface module comprises a network interface module; the monitoring module comprises a cooling fan module and a power supply monitoring module; the raspberry group module is connected with the network interface, and the main controller module is connected with the cooling fan; the power supply module is respectively connected with the main controller module and the external screen display system through the power supply monitoring module; the raspberry pie module is connected with the main controller module, and the raspberry pie module and the main controller module are respectively connected with the screen display system through the serializer adapter board module in the input/output module. According to the utility model, the software of the test development board can be upgraded in batches through the network interface, so that the production test efficiency of the screen display system is improved; the temperature of the test development board can be monitored, so that the development board can work in a 70-DEG C high-temperature environment.
Description
Technical Field
The utility model belongs to the technical field of development board testing, and particularly relates to a raspberry group-based test development system and a test development board.
Background
The existing test development board cannot work normally in a high-temperature environment with the temperature of more than 70 ℃. This results in that the development board cannot display a complex image and only a BIST (built-in self test) screen of the serializer output can be displayed in a high temperature environment such as burn-in experiments. This limits the application and testing capabilities of the development board in high temperature environments. Moreover, the existing test development board does not provide an online upgrade interface, and cannot be upgraded in batches. This means that when the software or firmware of the test development board needs to be updated, the user cannot directly update through a network or other means, and often needs to manually replace or update each development board one by one, which increases the workload and time cost.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a test development system and a test development board based on raspberry pie, which are used for upgrading software in batches through a network interface, so that the production test efficiency of a screen display system is improved; the temperature of the test development board can be monitored, so that the development board can work in a 70-DEG C high-temperature environment, the application test and operation environment of the development board are greatly optimized, and the experience effect is improved.
In order to achieve the above object, the present utility model provides a test development system based on raspberry group, which includes a power module, a display module, an input/output module and a main controller module, and further includes:
the device comprises a communication interface module, a monitoring module and a raspberry group module; wherein the communication interface module at least comprises a network interface module; the monitoring module at least comprises a cooling fan module and a power supply monitoring module.
The network interface module is connected with the raspberry group module, and the main controller module is connected with the cooling fan module; the main controller module is also connected with the display module; the power supply module is respectively connected with the main controller module and an external screen display system through the power supply monitoring module; the raspberry pie module is connected with the main controller module, and the raspberry pie module and the main controller module are respectively connected with the screen display system through the serializer adapter plate module in the input/output module.
In the utility model, the communication interface module further at least comprises a USB interface module, an HDMI interface module, a CAN bus interface module and a serial communication interface.
Further, the raspberry group module is also connected with the USB interface module and the HDMI interface module; the main controller module is also connected with the CAN bus interface module and the serial communication interface.
In the utility model, the main controller module and the serializer adapter plate module are respectively connected through an I2C1 channel, an I2C2 channel and a GPIO channel.
In the utility model, the monitoring module further comprises a clock generator module.
One end of the clock generator module is connected with the I2C2 channel, and the other end of the clock generator module is connected with the serializer adapter plate module through a PCLK signal line.
In the utility model, the raspberry group module is connected with the main controller module in a USB mode.
In the utility model, the raspberry group module performs data transmission with the serializer adapter board module in an HDMI transmission mode.
In the utility model, the serializer adapter board module performs HDMI signal transmission with a deserializer in a screen display system in a differential signal transmission mode.
In the utility model, the input/output module at least further comprises a key module and an encoder module.
In order to achieve the above object, the present utility model further provides a test development board, which at least includes the raspberry group-based test development system as described in any one of the above.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model provides a test development system and a test development board based on raspberry pie, which effectively control the temperature and the power stability of the development board through the temperature monitoring and the optimal design of a cooling fan module and a power monitoring module in a monitoring module, and improve the reliability and the stability of the development board, so that the development board can normally work in a 70-DEG C high-temperature environment. This improves the application and testing ability of the development board in a high temperature environment, enabling it to be tested in an aging experiment or the like requiring a high temperature environment. And the software of the test development board is upgraded in batches through the network interface module. The production test efficiency of the screen display system is greatly improved, and the workload and time cost of manually replacing or upgrading each development board one by one are avoided. In addition, through other various interface modules and rich peripherals such as key modules and encoder modules, more connection and control options are provided, enhancing the functionality and flexibility of the test development board. Through the application of the raspberry group module, the connection with the main controller module and the screen display system and the communication with interfaces such as USB, HDMI and the like are realized, more functions and expansibility are provided, and the efficiency, flexibility and reliability of the test development board are improved.
Drawings
Fig. 1 is a schematic block diagram of a test development system based on raspberry group according to an embodiment of the utility model.
Fig. 2 is a schematic structural diagram of a test development system based on raspberry group according to an embodiment of the utility model.
Fig. 3 is a schematic diagram of a testing board for controlling a testing development of an upper computer according to an embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions will be clearly and completely described below in connection with the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
in order to solve the above technical problems, as shown in fig. 1, the present utility model provides a test development system based on raspberry group, which includes a power module, a display module, an input/output module, and a main controller module, and further includes:
the device comprises a communication interface module, a monitoring module and a raspberry group module; wherein the communication interface module at least comprises a network interface module; the monitoring module at least comprises a cooling fan module and a power supply monitoring module.
It should be noted that the power module includes a power input port and a power output port. The input end of the power input port is connected with an external power supply device to realize power supply, and the power supply device can be a 6-32V direct current power supply device, and is not limited to the 6-32V direct current power supply device.
Preferably, the display module may be an LCD display screen or an LED display screen, which is not limited thereto.
The network interface module is connected with the raspberry group module, and the main controller module is connected with the cooling fan module; the main controller module is also connected with the display module; the power supply module is respectively connected with the main controller module and an external screen display system through the power supply monitoring module; the raspberry pie module is connected with the main controller module, and the raspberry pie module and the main controller module are respectively connected with the screen display system through the serializer adapter plate module in the input/output module.
In this embodiment, as shown in fig. 2, the power input port is used to access a 6-12 v DC power supply to supply power to the test development board. The power output port is used for inputting the power to the power monitoring module of the test development board, such as INA260, and outputting the power to the screen display system.
It should be noted that, through the power outlet, the power supply passing through the test development board is monitored and processed by the power supply monitoring module, for example, parameters such as voltage, current and power are measured. And then, outputting the processed power supply to a screen display system so as to supply the electric energy required by the normal operation of the screen display system.
In the embodiment, through the implementation of the power input port and the power output port, the test development board can obtain stable and reliable power supply, and can monitor and process the power supply so as to ensure that the screen display system obtains proper power supply. This helps to ensure proper operation and safety of the test development board and the on-screen system.
The embodiment adopts a CAN bus interface, and receives and transmits CAN signals through STM 32; an RS232 serializer serial port is also adopted, and serial port signals are received and transmitted through STM 32. An LCD display module is used for the information output window. The INA260 is adopted, the INA260 is used as a digital voltage, current and power monitor, accurate circuit parameter measurement and monitoring can be provided, a user is helped to know the working state and the power consumption condition of the circuit in real time, a protection function is provided, and the safe operation of the circuit is ensured.
The present embodiment also employs a CDCI6214 clock generator module, including a clock signal generation chip. And cooling is performed on raspberries by adopting a cooling fan. And a key and an encoder are also adopted for testing the external input/output interface of the board.
The USB interface can be used for connecting with peripheral equipment such as a mouse and a keyboard to access the raspberry pie; the network interface can be used for the raspberry group to interact with other external devices through the interface, and the internet can be accessed; the HDMI interface may be used in an on-screen display system.
In this embodiment, the main controller module may adopt STM32, an ARM Cortex-M core single chip microcomputer for the production of an intentional semiconductor. The Raspberry group module can adopt an industrial embedded computer which is introduced by Raspberry group CM4, raspberry Pi Compute Module < 4 >, raspberry. The serializer adapter board module is used for being matched with a deserializer on the screen display system to package the input HDMI signal and send the HDMI signal to the deserializer through an FPD-Link or a GMSL.
It should be noted that, the STM32 chip is used to implement the communication between the CAN bus and the serial port, so as to receive and send the CAN signal and the serial port signal. Through CAN bus and serial port communication, the test development board CAN exchange and communicate data with other devices, and data transmission and control are realized.
The LCD display module can output the information of the test development board in a visual mode, so that a user can conveniently check and monitor the state and parameters of the test development board. INA260 can provide accurate measurement and monitoring of circuit parameters, help users to know the working state and power consumption of the circuit in real time, provide protection functions, and ensure safe operation of the circuit.
The CDCI6214 clock generator module can generate stable and accurate clock signals for synchronizing and controlling the various modules of the test development board, ensuring their proper operation and timing requirements. The cooling fan can provide air cooling heat dissipation, helps the raspberry group to reduce the temperature, keeps the raspberry group within a normal working temperature range, and improves stability and reliability.
The keys and the encoder can be used as external input equipment of the test development board and used for interaction and control between a user and the test development board, so that various functional operations and parameter adjustment are realized.
Through the realization of the modules, the test development board CAN realize the functions of CAN bus and serial port communication, display information output, circuit parameter monitoring, clock signal generation, heat dissipation and cooling, external input and output and the like, and the functionality and the flexibility of the test development board are improved.
In this embodiment, the communication interface module further includes at least a USB interface module, an HDMI interface module, a CAN bus interface module, and a serial communication interface.
Further, the raspberry group module is also connected with the USB interface module and the HDMI interface module; the main controller module is also connected with the CAN bus interface module and the serial communication interface.
It should be noted that, through the USB interface module, the test development board can be connected and communicated with external USB equipment to realize data transmission, control and interaction. Through HDMI interface module, test development board can transmit video and audio signal to external display device, realizes high-quality image and sound output. Through the CAN bus interface module, the test development board CAN exchange and communicate data with other devices supporting CAN bus communication, and data transmission and control are realized. Through the serial communication interface, the test development board can perform serial communication with other devices to realize data transmission and control, for example, data exchange with external devices or communication with other serial devices.
Through the realization of the communication interface module, the test development board CAN realize connection and communication with external USB equipment, HDMI equipment, CAN bus equipment and other serial equipment, realize data exchange, control and transmission, and enhance connectivity and communication capability of the test development board. Thus, the data interaction and control requirements under different application scenes can be met.
In the utility model, the main controller module and the serializer adapter plate module are respectively connected through an I2C1 channel, an I2C2 channel and a GPIO channel.
It should be noted that, through the I2C1 channel and the I2C2 channel, the main controller module may perform bidirectional serial data transmission and communication with the serializer patch panel module. In this way, data exchange, control and configuration between the main controller module and the serializer patch panel module can be realized. The main controller module may send control signals, such as start/stop signals, reset signals, etc., to the serializer patch panel module through the GPIO channel. Thus, the control and configuration of the serializer adapter board module by the main controller module can be realized.
Through the realization of the channel, the main controller module and the serializer adapter plate module can carry out data transmission, communication and control signal interaction. Therefore, the control and configuration of the main controller module to the serializer adapter plate module can be realized, and the normal work and coordination between the main controller module and the serializer adapter plate module are ensured. Meanwhile, through the use of the I2C and GPIO channels, the realization of data transmission and control can be simplified, and the reliability and flexibility of the system are improved.
In the utility model, the monitoring module further comprises a clock generator module.
One end of the clock generator module is connected with the I2C2 channel, and the other end of the clock generator module is connected with the serializer adapter plate module through a PCLK signal line.
It should be noted that the clock generator module may generate a stable and accurate clock signal for synchronizing and controlling the various modules of the test development board, ensuring their normal operation and timing requirements. The main controller module can perform bidirectional serial data transmission and communication with the clock generator module through the I2C2 channel. Therefore, the configuration and control of the main controller module to the clock generator module can be realized, and the clock signal generated by the clock generator module is ensured to meet the requirements.
The clock generator module can transmit the generated clock signal to the serializer adapter board module through the PCLK signal line. Therefore, the serializer adapter board module can be ensured to keep synchronous with the clock signal in the data transmission and display time sequence, so that accurate data transmission and display effects are realized.
Through the implementation, the clock generator module can communicate and control with the main controller module through the I2C2 channel, so that the configuration and stability of clock signals are ensured. Meanwhile, through connection of PCLK signal lines, the clock generator module can transmit the generated clock signals to the serializer adapter board module, so that accuracy and synchronism of data transmission and display are ensured. Therefore, the time sequence control and the data transmission reliability of the test development board can be improved, and the normal operation and performance requirements of the system are ensured.
In the utility model, the raspberry group module is connected with the main controller module in a USB mode.
It should be noted that, through the USB connection, the raspberry group module and the main controller module may perform bidirectional data transmission. The raspberry pi module may send data to the main controller module, which may receive and process the data. Meanwhile, the main controller module can also send data to the raspberry group module for processing and use. Through USB connection, the main controller module can control and configure the raspberry group module. The master controller module may send control commands and configuration parameters to the raspberry pi module to enable control and adjustment of its functions and behaviors.
The USB connection not only can transmit data, but also can provide power supply for the raspberry group module. Through USB connection, the main controller module can provide required electric energy for the raspberry group module, so that the raspberry group module works normally.
In other embodiments, the implementation of the USB connection between the raspberry pi module and the main controller module is similar, including data transfer, control and configuration, and power. For example, in the application of the internet of things, the raspberry pi module can be used as an edge device to exchange and control data with the main controller module (such as a cloud server) through USB connection, so that functions and linkage of the system of the internet of things are realized. In the embedded system, the raspberry group module can perform data transmission and control with the main controller module through USB connection, so that functions and operations of the embedded system are realized. In a word, the USB connection provides a convenient data transmission, control and power supply mode, so that communication and cooperation between the raspberry group module and the main controller module are more flexible and convenient.
In the utility model, the raspberry group module performs data transmission with the serializer adapter board module in an HDMI transmission mode.
In the utility model, the serializer adapter board module performs HDMI signal transmission with a deserializer in a screen display system in a differential signal transmission mode.
It should be noted that, through the HDMI transmission mode, the raspberry pi module may transmit video and audio data to the serializer patch panel module. Therefore, the image and sound signals generated by the raspberry group module can be transmitted to the serializer adapter board module through the HDMI interface, so that data transmission and display are realized.
The HDMI transmission method supports high-quality video and audio transmission, and can provide high-definition and high-fidelity images and sounds. By using the HDMI transmission mode, the raspberry group module can transmit high-quality image and sound signals to the serializer adapter plate module so as to achieve high-quality display effect.
The serializer adapter board module transmits the HDMI signal to a deserializer in the screen display system in a differential signal transmission mode. The differential signal transmission can provide better anti-interference performance and signal stability, and ensures the quality and stability of HDMI signals in the transmission process. In this embodiment, the differential signal transmission method of the FPD-Link or GMSL may be used, which is not limited thereto.
Through the implementation, the raspberry pi module can transmit video and audio data to the serializer adapter board module in an HDMI transmission mode, and then transmit HDMI signals to a deserializer in the screen display system in a differential signal transmission mode. Therefore, the display and the playing of the image and sound signals generated by the raspberry group module in the screen display system can be realized, and high-quality image and sound experience is provided.
In the utility model, the input/output module at least further comprises a key module and an encoder module.
It should be noted that, through the key module, the user may input an instruction, select an option, or perform a specific operation by pressing different physical keys. The key module can convert the key operation of a user into an electric signal and transmit the electric signal to the main controller module so as to realize control and interaction of the test development board.
The encoder module is typically composed of a rotary encoder and buttons. The user can perform operations such as numerical adjustment, option selection, etc. by rotating the encoder, and confirm selection or perform a specific operation by pressing a button. The encoder module converts the rotation of the rotary encoder and the pressing of the button into electric signals and transmits the electric signals to the main controller module so as to realize the control and interaction of the test development board.
Through the realization of the key module and the encoder module, the test development board can provide more user interaction and control modes, and the functionality and the flexibility of the test development board are enhanced. The user can select, adjust and operate through the keys and the rotary encoder, so that more convenient and visual control experience is realized.
Embodiment two:
In order to solve the technical problems, the utility model also provides a test development board which at least comprises the raspberry group-based test development system.
It should be noted that, the test development board can realize rich functions and flexible control through the test development system based on raspberry group. The raspberry pi module serves as a core processing unit and provides powerful computing and control capabilities. The main controller module and the raspberry group module work cooperatively to realize the control and configuration of the test development board. The communication interface module provides various communication interfaces, and enhances the connectivity and communication capability of the test development board. The monitoring module is used for monitoring and controlling various parameters and states of the test development board, and improving the stability and reliability of the system.
Preferably, in an application scenario of the smart home control system, the test development board may be implemented based on a raspberry group test development system. The raspberry group module is used as a core processing unit and can be connected with various sensors and actuators to exchange and control data with external equipment through the communication interface module. The main controller module can communicate and control with the raspberry group module through the communication interface module, so that the intelligent household equipment can be controlled and configured. The monitoring module can monitor various environmental parameters such as temperature, humidity, illumination and the like, and control and regulate according to set rules, so that the automation and intelligent level of the intelligent home system is improved.
As shown in fig. 3, the embodiment can also be connected with an upper computer through a network interface of the test development board, and the test development board is controlled by developing an upper computer software program to realize various functions.
Preferably, the test development board can realize a picture display function and a touch detection function.
And the data interaction with the STM32 program is performed through the functions of USB receiving and transmitting data, and the functions comprise the operation of instructions and the receiving of touch data. The network receiving and transmitting data function can open the picture display interface and the touch detection interface by receiving instructions of the upper computer, and receive the instructions to update the pictures and the files.
The STM32 can also be upgraded by a network interface through an upper computer.
In other embodiments, STM32 built-in programming functions include powering up the display system, reading the display electrical characteristics and product information for display to an LCD display module, or sending to a host computer via UART. The built-in instruction set can also be used for receiving and transmitting serial port information.
Preferably, STM32 is also capable of displaying specific analysis conditions by monitoring the on-screen system for faults and displaying the specific analysis conditions by the LCD display, none of which are limited thereto.
In conclusion, through the realization of the test development board, the test and control system under various application scenes can be flexibly constructed, and the control and monitoring of various devices and systems are realized. The raspberry group has strong functions and rich ecological systems, so that the test development board has more expansion and application capabilities, and meets the test and development requirements of different fields and requirements.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are to be protected by the present utility model.
Claims (10)
1. The utility model provides a test development system based on raspberry group, includes power module, display module, input/output module and main control unit module, its characterized in that still includes:
The device comprises a communication interface module, a monitoring module and a raspberry group module; wherein the communication interface module at least comprises a network interface module; the monitoring module at least comprises a cooling fan module and a power supply monitoring module;
The network interface module is connected with the raspberry group module, and the main controller module is connected with the cooling fan module; the main controller module is also connected with the display module;
The power supply module is respectively connected with the main controller module and an external screen display system through the power supply monitoring module;
The raspberry pie module is connected with the main controller module, and the raspberry pie module and the main controller module are respectively connected with the screen display system through the serializer adapter plate module in the input/output module.
2. The raspberry group-based test development system of claim 1, wherein,
The communication interface module at least comprises a USB interface module, an HDMI interface module, a CAN bus interface module and a serial communication interface.
3. The raspberry group-based test development system of claim 2, wherein,
The raspberry group module is also connected with the USB interface module and the HDMI interface module; the main controller module is also connected with the CAN bus interface module and the serial communication interface.
4. A test development system based on raspberry group as claimed in claim 3, wherein,
The main controller module is connected with the serializer adapter plate module through an I2C1 channel, an I2C2 channel and a GPIO channel respectively.
5. The raspberry group-based test development system of claim 4, wherein,
The monitoring module further comprises a clock generator module;
One end of the clock generator module is connected with the I2C2 channel, and the other end of the clock generator module is connected with the serializer adapter plate module through a PCLK signal line.
6. The raspberry group-based test development system of claim 5, wherein,
The raspberry group module is connected with the main controller module in a USB mode.
7. The raspberry group-based test development system of claim 6, wherein,
The raspberry group module performs data transmission with the serializer adapter plate module in an HDMI transmission mode.
8. The raspberry group-based test development system of claim 7, wherein,
And the serializer adapter board module performs HDMI signal transmission with a deserializer in the screen display system in a differential signal transmission mode.
9. The raspberry group-based test development system of claim 8, wherein,
The input/output module at least further comprises a key module and an encoder module.
10. A test development board, wherein the test development board at least comprises the raspberry group-based test development system of any one of claims 1 to 9.
Publications (1)
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| CN221200388U true CN221200388U (en) | 2024-06-21 |
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