CN209805802U - Intelligent state monitoring display instrument based on Android operating system - Google Patents

Intelligent state monitoring display instrument based on Android operating system Download PDF

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Publication number
CN209805802U
CN209805802U CN201920820649.6U CN201920820649U CN209805802U CN 209805802 U CN209805802 U CN 209805802U CN 201920820649 U CN201920820649 U CN 201920820649U CN 209805802 U CN209805802 U CN 209805802U
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module
android
interface
operating system
intelligent
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刘淑平
何创新
潘佳辉
苗中华
郝付平
韩增德
韩科立
吴海华
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Chinese Academy of Agricultural Mechanization Sciences
University of Shanghai for Science and Technology
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Chinese Academy of Agricultural Mechanization Sciences
University of Shanghai for Science and Technology
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Abstract

An intelligent state monitoring display instrument based on an Android operating system comprises an Android intelligent core module with an Android operating system built in, and a power module, a CAN communication module, a serial port communication module, a USB module, a TF card module, a SIM card module, a touch display module, a video image module, an audio module, a microphone module, a key module, a GPS antenna module and a wireless communication module which are respectively connected with the Android intelligent core module; the power supply module provides required power supply for each module. On the basis of an open-source Android operating system, human-computer interaction logic is consistent with that of a smart phone, and learning cost of operators is reduced. The working state parameters of the mechanical equipment are displayed in real time through the high-definition IPS display screen, and the method is clear, intuitive and friendly in interface.

Description

Intelligent state monitoring display instrument based on Android operating system
Technical Field
The utility model belongs to the technical field of mechanical equipment state control, a intelligent state monitoring display instrument based on Android operating system is related to for realize job site's many scene control and show the function.
Background
Various mechanical equipment including engineering machinery, agricultural machinery, production line equipment and the like generally need to be provided with a state monitoring display instrument for monitoring and displaying the state and the operation condition of each part of the mechanical equipment in real time, and the intellectualization of the state monitoring display instrument is particularly important because the functions of the mechanical equipment are increasingly complex and various abnormal conditions or faults of a plurality of special conditions are usually accompanied in the operation process. At present, state monitoring display instruments on the market generally do not have an operating system, simple graphic and text display is realized, if a serial port screen is adopted, or a special display instrument based on microprocessor control is adopted, the display instruments are simple in function and poor in flexibility, can only be suitable for mechanical equipment with specific models, cannot execute complex calculation, and cannot be networked.
In addition, some intelligent state monitoring displays are provided with operating systems, so that the flexibility is good, but the systems lack CAN buses or video image functions. Many functional modules of the vehicle-mounted system adopt CAN communication, so that an intelligent state monitoring display is required to have the CAN communication function; the video image function can assist an operator to monitor the state of the mechanical equipment in real time, and provides powerful help for the operator to operate the mechanical equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an intelligent state monitoring display based on Android operating system to the weak point that current state monitoring display exists.
The utility model discloses a realize through following technical scheme:
The utility model provides an intelligent state monitoring display instrument based on Android operating system, including the Android intelligent core module of built-in Android operating system, and the power module, CAN communication module, serial communication module, USB module, TF card module, SIM card module, touch display module, video image module, audio module, microphone module, button module, GPS antenna module and wireless communication module that are connected with Android intelligent core module; the power supply module is connected with other modules and used for converting 24V input voltage into 5V, 4.2V and 3.3V voltage and providing required power supply for other functional modules.
In an embodiment of the technical solution, the CAN communication module includes a level conversion module, an SPI-to-CAN module, and a CAN bus interface, the level conversion module is connected to the Android smart core module through an SPI bus, the SPI-to-CAN module is connected to the level conversion module, and the SPI-to-CAN module is connected to the CAN communication interface. The level conversion module converts an SPI signal of the Android intelligent core module from a 1.8V level to a 3.3V level.
In an embodiment of the technical scheme, the serial port communication module includes a level conversion module, an RS232 transceiver and an RS232 interface, the level conversion module is connected with the Android intelligent core module through a serial port, the RS232 transceiver is connected with the level conversion module, and the RS232 transceiver is connected with the RS232 interface. The level conversion module converts a serial port signal of the Android intelligent core module from a 1.8V level to a 3.3V level, and then the serial port signal is accessed to the RS232 transceiver for software debugging and peripheral communication.
In an embodiment of the technical solution, the USB module includes a USB socket A, USB, a socket B, and a USB channel selection module, the USB socket a and the USB socket B are connected to the USB channel selection module, and the USB channel selection module is connected to the Android intelligent core module through a USB interface. The USB channel selection module adopts a high-bandwidth and high-speed USB2.0 multiplexer, can flexibly select a USBOTG mode or a USB Slave mode to access the Android intelligent core module, and the USB socket A is used for connecting OTG equipment, such as a mouse, a keyboard, a USB flash disk and the like; the USB socket B is used for connecting a PC, debugging a display and the like on the PC end software.
In one embodiment of the technical scheme, the TF card module comprises a TF card holder and a TF card, the TF card is installed in the TF card holder, and the TF card holder is connected with a TF card interface of the Android intelligent core module; the TF card module is used for expanding the data storage space of the Android intelligent core module and selecting TF cards with different capacities.
In an embodiment of the technical solution, the SIM card module includes an SIM card socket and an SIM card, the SIM card is installed in the SIM card socket, and the SIM card socket is connected to an SIM card interface of the Android smart core module.
In an embodiment of the technical scheme, the Android intelligent core module adopts a module integrating functions of 2/3/4G communication, WIFI communication, bluetooth communication, FM communication, GPS positioning and the like, is a control center of the whole intelligent state monitoring display instrument, controls and manages other modules, is internally provided with an Android operating system, and has rich interface resources.
In an embodiment of the technical scheme, the touch display module includes a touch display screen and a MIPI to LVDS video conversion module, the touch display screen is connected with the MIPI to LVDS video conversion module through an LVDS interface, the touch display screen is further connected with the Android intelligent core module through an I2C bus and a PWM dimming interface, and the MIPI to LVDS video conversion module is connected with the Android intelligent core module through an MIPI interface. The MIPI-to-LVDS video conversion module converts an MIPI video signal generated by the Android intelligent core module into an LVDS video signal, and the LVDS video signal is displayed on the touch display screen; the touch display screen sends touch position information to the Android intelligent core module through an I2C bus; the Android intelligent core module adjusts the backlight brightness of the touch display screen through the PWM dimming signal; the touch display screen adopts a high-definition IPS screen, supports 10-point touch and is used for display and man-machine interaction operation.
In an embodiment of the technical solution, the video image module includes an AV video socket and an AV-to-MIPI video conversion module, the AV video socket is connected with the AV-to-MIPI video conversion module through an AV interface, and the AV-to-MIPI video conversion module is connected with the Android intelligent core module through a MIPI interface. The AV video socket is used for being externally connected with a camera, collecting real-time video data, transmitting AV signals to the AV-to-MIPI video conversion module, converting the AV signals into MIPI signals through the AV-to-MIPI video conversion module, transmitting the MIPI signals to the Android intelligent core module, and controlling the AV-to-MIPI video conversion module through the I2C bus through the Android intelligent core module.
In an embodiment of the technical scheme, the audio module includes a speaker and an audio amplification module, the speaker is connected with the audio amplification module, and the audio amplification module is connected with the Android intelligent core module through an audio interface. The Android intelligent core module generates an audio signal, the audio signal is amplified by the audio amplification module, and then sound is generated through a loudspeaker.
In an embodiment of the technical solution, the microphone module includes a microphone and some peripheral circuits, and is connected to the Android smart core module through a microphone interface to collect a voice signal.
In an embodiment of the technical solution, the key module includes seven keys, wherein a POWER key and a HOME key are connected to the Android intelligent core module through PWRKEY and HOMEKEY interfaces, and a V-key, a V + key, a Camera key, a Menu key, and a Back key are connected to the Android intelligent core module through KCOL0, KCOL1, KROW0, KROW1, and KROW2 interfaces by using a matrix keyboard structure, so that IO port resources of a core processor are saved, functions of POWER supply, main Menu, volume reduction, volume addition, Menu, Camera, and backward movement are realized, and an operator can switch a display through the keys quickly, return to the main Menu, add or subtract volume, return to a previous interface, and the like.
in an embodiment of the technical scheme, the GPS antenna module comprises an antenna, has the characteristics of low power consumption and high precision, and meets the requirements of real-time positioning and navigation of mechanical equipment.
In an embodiment of the present disclosure, the wireless communication module includes a 4G antenna module and a WIFI antenna module. The 4G antenna module comprises two antennas and provides a 4G mobile communication function. The WIFI antenna module comprises an antenna, and can be connected to a network without an SIM card when WIFI wireless signals exist, so that different networking requirements of mechanical equipment are met.
The technical scheme of the utility model and in the embodiment thereof, following beneficial technological effect has:
The intelligent state monitoring display instrument is based on an open-source Android operating system, human-computer interaction logic is consistent with that of a smart phone, and learning cost of operators is reduced. The working state parameters of the mechanical equipment are displayed in real time through the high-definition IPS display screen, and the method is clear, intuitive and friendly in interface.
The intelligent state monitoring display has a CAN communication function, well solves the communication problem of a plurality of current vehicle-mounted monitoring displays, and supports outputting voice prompt and voice alarm. Meanwhile, the multifunctional music player supports the audio and video entertainment function, can play music and listen to broadcast, can effectively relieve fatigue caused by high-strength work, and improves the working efficiency.
The intelligent state monitoring display instrument has a video image function, and can assist operators to operate mechanical equipment more safely by displaying front and back scenes of the mechanical equipment in real time through a high-definition display screen.
Drawings
Fig. 1 is a block diagram showing the components of the intelligent status monitor display device in the embodiment.
Fig. 2 is a block diagram showing the components of the power supply module in the embodiment.
Fig. 3 is a block diagram of the CAN communication module in the embodiment.
Fig. 4 is a block diagram of a serial communication module in the embodiment.
Fig. 5 is a block diagram of the USB module in the embodiment.
Fig. 6 is a block diagram showing components of the TF card module in the embodiment.
Fig. 7 is a block diagram showing the components of the SIM card module in the embodiment.
Fig. 8 is a block diagram of the touch display module in the embodiment.
Fig. 9 is a block diagram of a video image module according to an embodiment.
Fig. 10 is a block diagram of the components of the audio module in the embodiment.
Fig. 11 is a schematic diagram of a key module in an embodiment.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
as shown in fig. 1, the intelligent state monitoring display instrument of this embodiment includes a power module 1, a CAN communication module 2, a serial communication module 3, a USB module 4, a TF card module 5, a SIM card module 6, an Android intelligent core module 7, a touch display module 8, a video image module 9, an audio module 10, a microphone module 11, a key module 12, a GPS antenna module 13, a 4G antenna module 14, and a WIFI antenna module 15.
The power module 1 is connected with other modules, and is used for converting 24V input voltage of the vehicle-mounted power supply into 5V voltage, 4.2V voltage and 3.3V voltage and providing required power for other functional modules. The structure is shown in fig. 2, the power module 1 comprises a 4.2V regulated power supply module, a 5V regulated power supply module and a 3.3V regulated power supply module; the 4.2V voltage-stabilized power supply module and the 5V voltage-stabilized power supply module both adopt BUCK type DC-DC voltage-stabilized chip TPS54260DGQ of American TI company, have the advantages of wide input voltage range of 3.5V-60V, large output current and the like, the input end is connected to a 24V vehicle-mounted power supply, and 4.2V and 5V direct current voltage-stabilized power supplies are output by adjusting the feedback resistor of the output end; the 3.3V voltage-stabilized power supply module adopts a voltage-stabilized power supply chip ET53333SC of Berlin company, has the advantages of small volume, low cost, large output current and the like, and the input end of the 3.3V voltage-stabilized power supply module outputs a 3.3V direct-current voltage-stabilized power supply.
As shown in fig. 3, CAN communication module 2 contains level conversion module 16, and SPI changes CAN module 17 and CAN communication interface 18, level conversion module 15 with Android intelligent core module 7 passes through SPI bussing, and SPI changes CAN module 17 and links to each other with level conversion module 16, and SPI changes CAN module 17 and is connected with CAN communication interface 18 again. Wherein SPI changes CAN module 17 and adopts the independent CAN controller and the transceiver chip MCP2515 who has the SPI interface of US MICROCHIP company, has characteristics such as low-power consumption, operating temperature wide range, and level conversion module 16 changes the SPI signal of Android intelligence core module 7 into the 3.3V level by 1.8V level, and in accesss SPI changes CAN module 17 again, change into the CAN signal, insert the CAN bus through CAN communication interface 18.
As shown in fig. 4, the serial communication module 3 includes a level conversion module 16, an RS232 transceiver 19, and an RS232 interface 20, the level conversion module 16 is connected to the Android intelligent core module 7 through a serial port, the RS232 transceiver 19 is connected to the level conversion module 16, and the RS232 transceiver 19 is connected to the RS232 interface 20. The level conversion module 16 converts the serial port signal of the Android intelligent core module 7, and then accesses the RS232 transceiver 19, and a high-speed RS232 transceiver MAX3232CSE of the American and American telecom company is adopted, so that the power consumption is low, and the reliability is high. For software debugging and communication with peripherals.
As shown in fig. 5, the USB module 4 includes a USB socket a21, a USB socket B22, and a USB channel selection module 23, the USB socket a21 and the USB interface B22 are connected to the USB channel selection module 23, and the USB channel selection module 23 is connected to the Android intelligent core module 7 through a USB interface. The USB channel selection module 23 adopts a high bandwidth and high speed USB2.0 multiplexer TS3USB221-DRC of the american TI company, and can flexibly select a USB OTG mode or a USB Slave mode to access the Android intelligent core module 7, wherein the USB socket a21 is used for connecting OTG devices, including a mouse, a keyboard, a USB disk, and the like; the USB socket B22 is used for connecting a PC, debugging a display on the PC side software, and the like.
As shown in fig. 6, the TF card module 5 includes a TF card socket 25 and a TF card 24, the TF card 24 is installed in the TF card socket 25, and the TF card socket 25 is connected to a TF card interface of the Android intelligent core module 7; the TF card module 5 is used for expanding the data storage space of the Android intelligent core module 7, has the advantages of small size, high storage speed and the like, and can be used for selecting local storage of TF cards with different capacities to expand data, store working parameters, historical data and the like.
As shown in fig. 7, the SIM card module 6 includes a SIM card socket 27 and a SIM card 26, the SIM card 26 is installed in the SIM card socket 27, and the SIM card socket 27 is connected to the SIM card interface of the Android smart core module 7.
The Android intelligent core module 7 integrates functions of 2/3/4G communication, WIFI communication, Bluetooth communication, FM communication, GPS positioning and the like, is a control center of the whole intelligent state monitoring display instrument, controls and manages other modules, is internally provided with an Android operating system, and has abundant interface resources.
As shown in fig. 8, the touch display module 8 includes a touch display screen 28 and a MIPI-to-LVDS video conversion module 29, the touch display screen 28 is connected to the MIPI-to-LVDS video conversion module 29 through an LVDS interface, the touch display screen 28 is further connected to the Android intelligent core module 7 through an I2C bus and a PWM dimming interface, and the MIPI-to-LVDS video conversion module 29 is connected to the Android intelligent core module 7 through an MIPI interface. The MIPI-to-LVDS video conversion module 29 adopts a single-channel MIPI-to-LVDS chip LT8912B of dragon-information semiconductor limited, has the characteristics of low power consumption, wide working temperature range and the like, converts MIPI video signals generated by the Android intelligent core module 7 into LVDS video signals, displays the LVDS video signals on the touch display screen 28, and sends touch position information to the Android intelligent core module 7 through an I2C bus by the touch display screen 28; the Android intelligent core module 7 adjusts the screen brightness through the PWM dimming signal, wherein the touch display screen 28 adopts a high-definition IPS screen, supports 10-point touch and is used for man-machine interaction operation.
as shown in fig. 9, the video image module 9 includes an AV video jack 30 and an AV-to-MIPI video conversion module 31, the AV video jack 30 is connected to the AV-to-MIPI video conversion module 31, and the AV-to-MIPI video conversion module 31 is connected to the Android smart core module 7 through a MIPI interface. The AV video socket 30 is used for externally connecting a camera, collecting real-time video data, and transmitting the real-time video data to the AV-to-MIPI video conversion module 31, wherein the AV-to-MIPI video conversion module 31 converts an AV signal into an MIPI signal by using a video decoder chip ADV7282-M of american ANALOG DEVICES, and transmits the MIPI signal to the Android intelligent core module 7; the Android intelligent core module 7 realizes control of the AV-to-MIPI video conversion module 31 through an I2C bus.
As shown in fig. 10, the audio module 10 includes a speaker 32 and an audio amplification module 33, the speaker 32 is connected to the audio amplification module 33, and the audio amplification module 33 is connected to the Android smart core module 7 through an audio interface. The audio amplification module 33 adopts Shanghai ai as an audio power amplifier AW8733ATQR of electronic technology Limited, has the advantages of small volume, high power, noise interference suppression and the like, and generates sound through the loudspeaker 32 after the audio signal generated by the Android intelligent core module 7 is amplified by the audio amplification module 33.
The microphone module 11 comprises a microphone and some peripheral circuits, and is connected with the Android intelligent core module 7 through a microphone interface, wherein the microphone adopts a SPM0410HR5H-PB chip of KNOWLES company for acquiring voice signals.
As shown in fig. 11, the key module 12 includes seven keys, wherein a POWER key and a HOME key are connected to the Android intelligent core module 7 through PWRKEY and HOMEKEY interfaces, and a V-key, a V + key, a Camera key, a Menu key, and a Back key are connected to the Android intelligent core module 7 through KCOL0, KCOL1, KROW0, KROW1, and KROW2 interfaces by using a matrix keyboard structure, so that IO port resources of the Android core processor module 7 are saved, functions of POWER supply, main Menu, volume reduction, volume addition, Menu, Camera, and backward are realized, and an operator can return to the main Menu, main Menu volume reduction, volume addition and subtraction, and return to the previous interface and the like through a fast key switch display.
The GPS antenna module 13 comprises an antenna, has the characteristics of low power consumption and high precision, and can meet the requirements of real-time positioning and navigation of mechanical equipment. The 4G antenna module 14 includes an antenna and provides a 4G mobile communication function. WIFI antenna module 15 contains two antennas, can not connect to the network through the SIM card when having WIFI radio signal, satisfies the different networking demands of mechanical equipment.
The utility model discloses a have been described above with reference to the embodiment of the specific embodiment of the utility model discloses, but not right the utility model discloses a restriction, the utility model provides an intelligent state monitor based on Android is equipped equally to other sanitation machines, or mobile operation machinery such as engineering machine tool, agricultural machine and is suitable for, and the ordinary skilled person in this field all belongs to the protection scope of the utility model claim according to the utility model discloses an equivalent change and the decoration that the spirit and do.

Claims (10)

1. An intelligent state monitoring display instrument based on an Android operating system is characterized by comprising an Android intelligent core module with a built-in Android operating system, and a power module, a CAN communication module, a serial port communication module, a USB module, a TF card module, an SIM card module, a touch display module, a video image module, an audio module, a microphone module, a key module, a GPS antenna module and a wireless communication module which are respectively connected with the Android intelligent core module; the power supply module provides required power supply for each module.
2. The Android operating system-based intelligent state monitoring display instrument of claim 1, wherein the power module is connected with each of the other modules and is configured to convert a 24V input voltage into a 5V voltage, a 4.2V voltage, and a 3.3V voltage.
3. The Android operating system-based intelligent state monitoring display instrument of claim 1, wherein the CAN communication module comprises a level conversion module, an SPI-to-CAN module and a CAN bus interface, the level conversion module is connected with the Android intelligent core module through an SPI bus, the SPI-to-CAN module is connected with the level conversion module, the SPI-to-CAN module is connected with the CAN communication interface, and the level conversion module converts an SPI signal of the Android intelligent core module from a 1.8V level to a 3.3V level.
4. The Android operating system-based intelligent state monitoring display instrument of claim 1, wherein the serial port communication module comprises a level conversion module, an RS232 transceiver and an RS232 interface, the level conversion module is connected with the Android intelligent core module through a serial port, the RS232 transceiver is connected with the level conversion module, the RS232 transceiver is connected with the RS232 interface, and after the level conversion module converts a serial port signal of the Android intelligent core module from a 1.8V level to a 3.3V level, the serial port signal is connected to the RS232 transceiver and used for software debugging and communication with an external device.
5. The intelligent state monitoring display instrument based on the Android operating system of claim 1, wherein the USB module comprises a USB socket A, USB, a USB socket B, and a USB channel selection module, the USB socket a and the USB socket B are connected to the USB channel selection module, and the USB channel selection module is further connected to the Android intelligent core module through a USB interface.
6. The intelligent state monitoring display instrument based on the Android operating system of claim 1, wherein the TF card module comprises a TF card holder and a TF card, the TF card is installed in the TF card holder, and the TF card holder is connected with a TF card interface of the Android intelligent core module; the TF card module is used for expanding the data storage space of the Android intelligent core module and can use TF cards with different capacities.
7. The Android operating system-based intelligent state monitoring display instrument of claim 1, wherein the touch display module comprises a touch display screen and a MIPI-to-LVDS video conversion module, the touch display screen is connected with the MIPI-to-LVDS video conversion module through an LVDS interface, the touch display screen is further connected with the Android intelligent core module through an I2C bus and a PWM dimming interface, and the MIPI-to-LVDS video conversion module is connected with the Android intelligent core module through an MIPI interface.
8. The Android operating system-based intelligent state monitoring display instrument of claim 1, wherein the video image module comprises an AV video socket and an AV-to-MIPI video conversion module, the AV video socket is connected with the AV-to-MIPI video conversion module through an AV interface, and the AV-to-MIPI video conversion module is connected with the Android intelligent core module through a MIPI interface.
9. The intelligent state monitoring display instrument based on the Android operating system as claimed in claim 1, wherein the audio module comprises a speaker and an audio amplification module, the speaker is connected with the audio amplification module, and the audio amplification module is connected with the Android intelligent core module through an audio interface; the Android intelligent core module is used for generating an audio signal, wherein the audio signal generated by the Android intelligent core module is amplified by the audio amplification module and then generates sound through a loudspeaker;
The microphone module comprises a microphone and a peripheral circuit, is connected with the Android intelligent core module through a microphone interface, and is used for collecting voice signals.
10. The intelligent state monitoring display instrument based on the Android operating system of claim 1, wherein the SIM card module comprises an SIM card holder and an SIM card, the SIM card is installed in the SIM card holder, and the SIM card holder is connected with an SIM card interface of the Android intelligent core module.
CN201920820649.6U 2019-06-03 2019-06-03 Intelligent state monitoring display instrument based on Android operating system Active CN209805802U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110221557A (en) * 2019-06-03 2019-09-10 中国农业机械化科学研究院 A kind of intellectual status monitoring and tele-communication terminal based on android system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110221557A (en) * 2019-06-03 2019-09-10 中国农业机械化科学研究院 A kind of intellectual status monitoring and tele-communication terminal based on android system

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