CN204612754U - Water Environment Monitoring Device Based on Microprocessor OMAP3515 - Google Patents

Abstract

A water environment monitoring device based on a microprocessor OMAP3515 relates to a water environment monitoring product, and comprises 1 system host and 1 remote controller; the host is provided with a rectangular shell, the front surface of the host is provided with 1 liquid crystal display screen, the left lower corner of the front surface is provided with 1 infrared receiver, the lower part of the right side surface of the host is provided with a photovoltaic power generation panel interface, the upper part of the right side surface of the host is provided with four sensor interfaces, and the sensor interfaces are a sensor interface a, a sensor interface b, a sensor interface c and a sensor interface d from top to bottom; the four sensor interfaces are connected with an external flow sensor, a PH value sensor, a COD on-line monitoring sensor, an ammonia nitrogen on-line monitoring sensor and a heavy metal on-line monitoring sensor. The working environment of the device does not need to be supplied with electric power, so that the change of the environment is greatly met, and the erection of the device is facilitated. The wireless transmission system has the characteristics of small volume, 2G/3G/4G wireless transmission and easiness in use.

Description

Water Environment Monitoring Device Based on Microprocessor OMAP3515

technical field

The utility model relates to a water environment monitoring product, in particular to a water environment monitoring device based on a microprocessor OMAP3515.

Background technique

With the development of cities, the discharge of urban and factory wastewater has caused great pollution to the surrounding water environment. In order to effectively monitor the pollution, environmental protection departments at all levels have adopted online monitoring systems for pollution sources and rivers and lakes to monitor the discharge of sewage. Indicators are monitored in real time. The pollution discharge situation is transmitted to the online monitoring system platform of the environmental protection and hydrological monitoring department through various networks, so that the environmental protection and hydrological monitoring department can conduct centralized and real-time supervision on the sewage discharge and water quality, which effectively improves the efficiency and greatly improves the management efficiency. The degree of intelligence. Relevant monitoring instruments and collection communication equipment installed on site can automatically measure and collect pollutant data, and report the data to the pollution source online monitoring platform.

Compared with traditional monitoring devices, it has better stability and reliability. It is powered by solar energy and batteries, no external power supply is required, and it is suitable for harsh environments. It adopts 2G/3G/4G networking. Data can be transmitted wherever there is a mobile phone signal, and it is easy to install without wiring.

Contents of the invention

The purpose of the utility model is to provide a water environment monitoring device based on the microprocessor OMAP3515. The water environment monitoring device utilizes the characteristics of high integration and low power consumption of OMAP3515, and integrates the entire system in one shell, which can resist harsh environments. The combination of solar panel and battery power supply makes the working environment of the equipment do not need to arrange power supply, which greatly meets the changes of the environment and facilitates the erection of the device. It has the characteristics of small size, 2G/3G/4G wireless transmission, and easy to use.

Technical scheme of the utility model:

A water environment monitoring device based on a microprocessor OMAP3515, including a system host and a remote controller. The host has a rectangular shell. There is an LCD screen on the front of the host, an infrared receiver on the lower left corner of the front, a photovoltaic power generation panel interface on the lower right side of the host, and four sensor interfaces on the upper right side of the host. Up and down are sensor interface a, sensor interface b, sensor interface c, sensor interface d. The liquid crystal display can display the flow value collected by the sensor in real time, PH value, COD, ammonia nitrogen, various heavy metal contents, such as nickel, lead, mercury, copper and other data, but in order to save power, the liquid crystal display is If it is turned off, it will only light up after receiving the screen lighting signal through the remote control, and it will automatically turn off after a certain timeout. The infrared receiver is responsible for receiving the remote control signal of the infrared remote control, setting up the host, and issuing various operating instructions. Four sensor interfaces are used to connect external flow sensors, PH value sensors, COD on-line monitoring sensors, ammonia nitrogen on-line monitoring sensors and various heavy metal on-line monitoring sensors and other sensors. These sensor interfaces use the 485 bus, which can be connected to multiple sensors at the same time, and different sensor protocols can be set through software to flexibly configure the connection of sensors. There is no need for a fixed sensor to correspond to a fixed sensor interface, which greatly improves the system. flexibility and usability. The photovoltaic power generation board interface is connected to the photovoltaic power generation board to provide the power required by the machine and charge the battery. The remote control has a number of buttons, through infrared rays, the entire system can be set and answered within a certain distance.

The host includes OMAP3515 motherboard, LCD screen, infrared receiver, 2G/3G/4G antenna, sensor interface a, sensor interface b, sensor interface c, sensor interface d, photovoltaic power generation panel management and battery power supply. The LCD screen obtains the display data of OMAP3515 through the MIPI display bus, and displays the flow value collected by the sensor, PH value, COD, ammonia nitrogen, various heavy metal contents, such as nickel, lead, mercury, copper and other data. The 2G/3G/4G network antenna is connected to the OMAP3515 motherboard through a radio frequency cable, and is responsible for transmitting and receiving 2G/3G/4G network signals. The infrared receiver is connected to the OMAP3515 main board through the I2C bus, receives the signal from the remote controller, and sends it to the OMAP3515 to realize the setting of the entire system. Sensor interface a, sensor interface b, sensor interface c, and sensor interface d are responsible for connecting external flow sensors, PH value sensors, COD online monitoring sensors, ammonia nitrogen online monitoring sensors and various heavy metal online monitoring sensors and other sensors, collecting various data transmissions To OMAP3515 for processing. The photovoltaic power generation panel management and the battery part provide the power of the whole system, and manage the solar power generation of the photovoltaic power generation panel and the charging and discharging of the battery. Charge. When the weather is dark or at night, when there is no sunlight, the battery supplies power to the entire system.

Microprocessor OMAP3515 is responsible for the operation and data processing of the whole system. The microprocessor integrates EMMC storage controller, MIPI display adapter, serial port controller, and I2C bus controller. Because the above-mentioned controller is integrated, the corresponding interface only needs to be connected from the OMAP3515 motherboard to the corresponding device, and no external controller is needed, which greatly improves the system integration. DDR3L memory uses MT41K256M16 memory, and the data that needs to be temporarily accessed when OMAP3515 is running is stored in the DDR3L memory circuit through the memory data line. EMMC uses KLMDGAGEAC memory, and the data that needs to be stored permanently is stored in the EMMC storage circuit through the EMMC data line. The 2G/3G/4G circuit encodes what needs to be sent to the remote data center through the USB interface bus, and then sends it out through the 2G/3G/4G antenna on the host. Serial port to 485 line a, serial port to 485 line b, serial port to 485 line c, serial port to 485 line d are used to convert the serial port data of the processor OMAP3515 into 485 data and then connect to external sensors. Since the 485 signal can be transmitted by long-distance communication, After converting to 485 signal, the machine can be placed flexibly with various sensors, which improves the flexibility of installation.

OMAP3515 is connected to the sensor through the serial port to 485 line to obtain the flow value, PH value, COD, ammonia nitrogen, various heavy metal content, such as nickel, lead, mercury, copper and other data collected by the sensor. The data information is stored in the EMMC memory, and displayed on the display screen of the machine at the same time, and the data is transmitted to the remote monitoring center through the 2G/3G/4G network. The combination of solar power supply and battery power supply can work continuously in the field and in the environment without power supply, which greatly improves the adaptability of the device.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the internal schematic diagram of the host of the present utility model;

Fig. 3 is a schematic diagram of the main circuit board of the utility model.

Attachments in the figure: 1 is the system host, 2 is the LCD screen, 3 is the infrared receiver, 4 is the photovoltaic power generation panel interface, 5 is the sensor interface a, 6 is the sensor interface b, 7 is the sensor interface c, and 8 is the sensor interface d.

Detailed ways

Example

See Figure 1, a water environment monitoring device based on the microprocessor OMAP3515.

The device is connected as follows: the host 1 of the device has a rectangular shell, an LCD display 2 is installed in the middle of the front of the host 1, an infrared receiver 3 is installed in the lower left corner of the front, a photovoltaic power generation panel interface 4 is located on the right side of the host, and the right side of the host There are four sensor interfaces on the surface, from top to bottom are sensor interface a 5, sensor interface b 6, sensor interface c 7, sensor interface d 8.

The signal flow of the device is as follows: After the installation of the device 1 is completed, the staff can remotely control the device through the remote control interface 3 to start the system, and the system starts to run. Sensor interface a 5, sensor interface b 6, sensor interface c 7, sensor interface d 8 are collected from externally connected flow sensors, PH value sensors, COD on-line monitoring sensors, ammonia nitrogen on-line monitoring sensors and various heavy metal on-line monitoring sensors, etc. The data is sent to the processor OMAP3515. After processing, the processor displays the flow value collected by the sensor, PH value, COD, ammonia nitrogen, and various heavy metal contents, such as nickel, lead, mercury, copper, etc., through the LCD screen 2 in real time. Send these data to the remote environmental monitoring center through 2G/3G/4G network. The infrared receiver 3 is responsible for receiving the remote control signal of the infrared remote controller, setting the host computer, and issuing various operation instructions. The photovoltaic power generation board interface 4 is connected to the photovoltaic power generation board to provide the required power and battery charging inside the machine.

As shown in Figure 2, the host includes OMAP3515 motherboard, LCD screen, infrared receiver, 2G/3G/4G antenna, sensor interface a, sensor interface b, sensor interface c, sensor interface d, photovoltaic power generation panel management and battery power supply . The LCD screen obtains the display data of OMAP3515 through the MIPI display bus, and displays the flow value collected by the sensor, PH value, COD, ammonia nitrogen, various heavy metal contents, such as nickel, lead, mercury, copper and other data. The 2G/3G/4G network antenna is connected to the OMAP3515 motherboard through a radio frequency cable, and is responsible for transmitting and receiving 2G/3G/4G network signals. The infrared receiver is connected to the OMAP3515 main board through the I2C bus, receives the signal from the remote controller, and sends it to the OMAP3515 to realize the setting of the entire system. Sensor interface a, sensor interface b, sensor interface c, sensor interface d are responsible for connecting external flow sensors, PH value sensors, COD online monitoring sensors, ammonia nitrogen online monitoring sensors and various heavy metal online monitoring sensors and other sensors, collecting various data transmission To OMAP3515 for processing. The photovoltaic power generation panel management and the battery part provide the power of the whole system, and manage the solar power generation of the photovoltaic power generation panel and the charging and discharging of the battery. Charge. When the weather is dark or at night, when there is no sunlight, the battery supplies power to the entire system.

As shown in Figure 3, the host circuit board consists of microprocessor OMAP3515 circuit, DDR3L memory circuit, 2G/3G/4G circuit, EMMC storage circuit, MIPI display output interface, I2C infrared remote control interface, serial port to RS485 line a, serial port to RS485 line b , serial port to RS485 line c, serial port to RS485 line d. Microprocessor OMAP3515 is responsible for the operation and data processing of the whole system. The microprocessor integrates EMMC storage controller, MIPI display adapter, serial port controller, and I2C bus controller. Because the above-mentioned controller is integrated, the corresponding interface only needs to be connected from the OMAP3515 motherboard to the corresponding device, and no external controller is needed, which greatly improves the system integration. DDR3L memory uses MT41K256M16 memory, and the data that needs to be temporarily accessed when OMAP3515 is running is stored in the DDR3L memory circuit through the memory data line. EMMC uses KLMDGAGEAC memory, and the data that needs to be stored permanently is stored in the EMMC storage circuit through the EMMC data line. The 2G/3G/4G circuit encodes what needs to be sent to the remote data center through the USB interface bus, and then sends it out through the 2G/3G/4G antenna on the host. Serial port to 485 line a, serial port to 485 line b, serial port to 485 line c, serial port to 485 line d are used to convert the serial port data of the processor OMAP3515 into 485 data and then connect to external sensors. Since the 485 signal can be transmitted by long-distance communication, After converting to 485 signal, the machine can be placed flexibly with various sensors, which improves the flexibility of installation.

Claims (3)

1. based on the water environment monitoring device of microprocessor OMAP3515, it is characterized in that, described water environment monitoring device comprises system host 1, remote controller 1; Host has a rectangular shell, and host front is provided with 1 liquid crystal display, front There is an infrared receiver in the lower left corner, a photovoltaic power generation panel interface on the lower right side of the host, and four sensor interfaces on the upper right side of the host. From top to bottom, there are sensor interface a, sensor interface b, and sensor interface c , sensor interface d; four sensor interfaces are connected to external flow sensor, PH value sensor, COD on-line monitoring sensor, ammonia nitrogen on-line monitoring sensor and heavy metal on-line monitoring sensor; these sensor interfaces use 485 bus, one interface is connected to multiple sensors at the same time The power generation board interface is connected to the photovoltaic power generation board; the host includes OMAP3515 main board, LCD display, infrared receiver, 2G/3G/4G antenna, sensor interface a, sensor interface b, sensor interface c, sensor interface d, photovoltaic power generation panel management and part of the battery power supply. 2. the water environment monitoring device based on microprocessor OMAP3515 according to claim 1, is characterized in that, described 2G/3G/4G network antenna is connected on the OMAP3515 main board by radio frequency cable, and infrared receiver is connected to by I2C bus line On the OMAP3515 motherboard. 3. the water environment monitoring device based on microprocessor OMAP3515 according to claim 1, is characterized in that, described microprocessor comprises EMMC storage controller, MIPI display adapter, serial port controller, I2C bus controller, corresponding interface Connect it from the OMAP3515 motherboard to the corresponding device.