Visual container position information display system suitable for container stockpiling station
By combining electromagnetic induction container location sensors and infrared beam sensors with RFID technology, efficient and accurate container location information collection and visualization of container storage yards have been achieved, solving the problems of low efficiency in manual management and poor compatibility with information systems, and improving operational efficiency and user experience.
Patent Information
- Application Number
- CN202520583191.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-31
AI Technical Summary
In container storage yards, manual management is inefficient and prone to errors, while information management systems have poor compatibility, leading to low operational efficiency and increased costs.
It combines electromagnetic induction box position sensors with infrared beam sensors and RFID technology. Data acquisition and processing are performed through a programmable logic controller (PLC) and a microprocessor. The data is displayed on an LED screen and provides multiple user interaction methods.
It improved the accuracy and real-time performance of container location information collection, reduced the error rate, enhanced system compatibility and ease of use, and improved operational efficiency and user experience.
Smart Images
Figure CN223956235U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to container management technical field especially applicable visual box position information display system of container stacking station. BACKGROUND
[0002] In the operation field of container stacking station, accurately grasping container box position information is the core element of guaranteeing efficient operation and management. Under the traditional management mode, the manual recording and searching container position mode has significant disadvantages. The staff needs to manually record the container number, cargo information and storage position, and relies on paper records or memory when searching, which is tedious and time-consuming. With the increase of container quantity and the expansion of station scale, this mode is prone to error, often leading to cargo loading and transportation delay, seriously affecting the station operation efficiency. According to statistics, in large container stacking station, the average time of manual searching for a container can reach dozens of minutes, and even longer during peak period, which undoubtedly increases the logistics cost and reduces the customer satisfaction.
[0003] With the development of information technology, information management system is gradually applied to container station management. These systems have improved the management efficiency to some extent, but most of them rely heavily on complex software. First, the software system compatibility problem is prominent, and conflicts are easy to occur between different software versions, hardware devices and operating systems. For example, when the station upgrades the management software version, it may be incompatible with the existing hardware devices, resulting in data transmission interruption or system crash, affecting normal operation. Secondly, the software maintenance cost is high. Not only a large amount of funds needs to be invested regularly for software update, bug repair and server maintenance, but also professional technical personnel are needed for daily management and fault elimination, which is a heavy burden for many small-scale stations. At present, a visual box position information display system applicable to container stacking station is needed. UTILITY MODEL CONTENT
[0004] In order to solve the problems of low efficiency and error-prone of manual management and poor compatibility of information management in container management, the utility model provides a visual box position information display system applicable to container stacking station.
[0005] The utility model provides a visual box position information display system applicable to container stacking station adopts the following technical scheme:
[0006] A visual box position information display system applicable to container stacking station comprises:
[0007] Data acquisition module, data processing module, visual display module and user interaction module, the data acquisition module is connected with data processing module and visual display module in turn, and the user interaction module is connected with data acquisition module.
[0008] The data acquisition module comprises a box position sensor unit, an RFID unit and a data acquisition control unit, the data processing module comprises a microprocessor unit and a data conversion circuit, the microprocessor unit is connected with the box position sensor unit and the RFID unit through the data acquisition control unit and the data conversion circuit, the visualization display module comprises an LED display screen unit and a graphic display controller, and the graphic display controller is connected with the LED display screen unit and the microprocessor unit respectively.
[0009] Further, the box position sensor unit comprises an electromagnetic induction type box position sensor and an infrared opposite sensor, the electromagnetic induction type box position sensor is installed at each container box position, and the box position is judged by detecting the electromagnetic induction signal change caused by the influence of the metal part at the bottom of the container on the magnetic field, and the infrared opposite sensor is installed around the box position to assist in detecting the box position state.
[0010] Further, the RFID unit comprises a high-frequency RFID reader / writer, and the high-frequency RFID reader / writer is installed at the entrance and exit channel of the station for reading the RFID tag information on the container.
[0011] Further, the data acquisition control unit comprises a programmable logic controller, the programmable logic controller is provided with an analog input interface, a digital input interface and an RFID communication interface, which are respectively connected with the box position sensor unit and the RFID reader / writer unit to collect data.
[0012] Further, the data conversion circuit comprises an analog-to-digital conversion component, a serial-to-parallel conversion component and a level conversion component, and the analog-to-digital conversion component and the serial-to-parallel conversion component are connected to the microprocessor unit through the level conversion component.
[0013] Further, the analog-to-digital conversion component comprises an ADC chip, a filter capacitor and a reference voltage source, the filter capacitor is connected in parallel between the analog input pin of the ADC chip and the ground, and the reference voltage source is connected to the reference voltage pin of the ADC chip to provide a stable reference voltage for the ADC chip.
[0014] Further, the serial-to-parallel conversion component comprises a shift register, a clock signal generator and a logic gate circuit, the serial input pin of the shift register receives serial data, the clock pin of the shift register is connected to the output end of the clock signal generator, and the input pin of the logic gate circuit is connected to the control pin of the shift register to control the transmission and processing sequence of data.
[0015] Further, the level conversion component comprises a level conversion chip and a pull-up resistor, the level conversion chip is used for performing level conversion on a signal according to level requirements of input and output, and an input pin and an enable pin of the level conversion chip are respectively provided with a pull-up resistor.
[0016] Further, digital signals and parallel data of the data conversion circuit are connected to data input pins of a microprocessor unit through a level conversion chip, and control signal output pins of the microprocessor unit are respectively connected to control pins of an ADC chip, control pins of a shift register and a control pin of the level conversion chip, so as to control a data conversion process.
[0017] Further, the user interaction module comprises an operation button unit, a touch display screen unit and a voice prompt unit, the operation button unit is connected with the microprocessor unit through a digital quantity input interface and is used for sending an operation instruction, the touch display screen unit is connected with the microprocessor unit through a touch control chip and realizes interactive operation, and the voice prompt unit is controlled by the microprocessor unit to play a prompt voice.
[0018] In summary, the utility model has the beneficial technical effects as follows:
[0019] 1、The utility model discloses a combination of electromagnetic induction type box position sensor and infrared opposite -shooting sensor. The former is accurate to judge the box position occupation by detecting the influence of the bottom metal part of the container on the magnetic field, and the latter is installed around the box position to assist in detecting the box position state, effectively avoiding misjudgment. This combination greatly improves the accuracy of box position information collection, significantly reduces the error rate compared with traditional manual recording, and ensures the real-time and accurate update of box position information.
[0020] 2、The utility model efficiently converts various collected data into a format easy for microprocessor processing. The ADC chip of the analog-digital conversion component can stably convert analog signals into digital signals under the cooperation of filter capacitors and reference voltage sources. The shift register of the serial-parallel conversion component can quickly convert serial data into parallel data under the cooperation of clock signal generators and logic gate circuits, reducing data processing delay, improving data transmission efficiency, making the system response more rapid, and meeting the stringent real-time requirements of container storage yards.
[0021] 3、The utility model uses a programmable logic controller (PLC) as a data acquisition control unit, which has excellent stability and reliability, can adapt to the complex industrial environment of container storage yards, and the level conversion component in the data conversion circuit can perform signal conversion according to the level requirements of different equipment, effectively solving the level matching problem between different equipment, enhancing the compatibility of the system, and reducing the risk of system failure caused by equipment incompatibility.
[0022] 4、The LED display screen unit of the visual display module cooperates with the graphic display controller, can display the data processed by the microprocessor in an intuitive and clear graphical interface, the staff can quickly obtain the position and state information of the container, does not need to find in the complex data, the user interaction module provides multiple interactive modes such as operation button unit, touch display screen unit and voice prompt unit, meets the operation habits of different users, facilitates the user to send operation instructions, inquires information and receives system prompts, greatly improves the ease of use and convenience of the system, reduces the operation error of the staff, and improves the work efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is the overall structure connection schematic diagram of the visual container position information display system suitable for the container stacking station of the utility model embodiment.
[0024] Figure 2 It is the data processing module connection schematic diagram of the visual container position information display system suitable for the container stacking station of the utility model embodiment.
[0025] Figure 3 It is the logic gate connection schematic diagram of the visual container position information display system suitable for the container stacking station of the utility model embodiment.
[0026] Figure 4 It is the work flow chart of the visual container position information display system suitable for the container stacking station of the utility model embodiment. DETAILED DESCRIPTION
[0027] The utility model will be further explained in detail in combination with the drawings.
[0028] Embodiment 1
[0029] Referring to Figure 1 The visual container position information display system suitable for the container stacking station of the embodiment includes:
[0030] Data acquisition module, data processing module, visual display module and user interaction module, the data acquisition module is connected data processing module and visual display module in turn, the user interaction module connects data acquisition module;
[0031] The data acquisition module comprises a box position sensor unit, an RFID unit and a data acquisition control unit, the data processing module comprises a microprocessor unit and a data conversion circuit, the microprocessor unit is connected with the box position sensor unit and the RFID unit through the data acquisition control unit and the data conversion circuit, and the visualization display module comprises an LED display screen unit and a graphic display controller.
[0032] Specifically,
[0033] As Figure 1 , Figure 4 shown, the embodiment first explains from the composition module, the data acquisition module: contains the box position sensor unit, the RFID reader unit, the environment sensor unit and the data acquisition control circuit;The box position sensor unit includes an electromagnetic induction type box position sensor and an infrared opposite sensor, which is used for detecting the box position occupation state;The RFID reader unit is arranged at the entrance and exit channel of the station and the key position of the yard, which is used for reading the RFID tag information of the container, the environment sensor unit includes a temperature and humidity sensor, a smoke sensor and an illumination sensor, which is used for monitoring the yard environment parameters;The data acquisition control circuit takes a programmable logic controller (PLC) as the core, collects analog signals such as temperature and humidity sensors through analog input interface, collects digital signals of the box position sensor and the infrared opposite sensor through digital input interface, and carries out data interaction with the RFID reader through a special RFID communication interface.
[0034] As Figure 2 shown, the data processing module: provided with a microprocessor unit, a data decoding and conversion circuit and a data checking and error correction circuit, the microprocessor unit adopts an ARM Cortex-M7 series microprocessor, and is connected with the data acquisition control circuit through a bus to receive data;The data decoding and conversion circuit decodes and converts the data format of different sensors and devices, converts the serial data output by the RFID reader into parallel data, and converts the analog sensor data into digital signals through an analog-digital conversion circuit;The data checking and error correction circuit adopts CRC checking algorithm and hamming code error correction technology, and cooperates with the microprocessor to check and correct data.
[0035] The data storage module comprises a flash memory unit and an EEPROM storage unit;The flash memory unit adopts a NAND flash memory chip, is connected with the microprocessor through an SPI interface, and is used for storing container basic information, box position information and historical operation data, the EEPROM storage unit selects an EEPROM chip, is connected with the microprocessor through an I2C interface, and is used for storing system configuration parameters.
[0036] Visual display module: LED display screen, graphic display controller and backlight adjustment circuit; the LED display screen unit according to the scale and demand of the station selects different size and resolution large LED display screen, through the driving circuit and microprocessor connection, for showing container location distribution, state information and environmental parameters, the graphic display controller adopts ILI9341, connects microprocessor and LED display screen, converts the data from microprocessor into graphic signal to drive LED display screen to display two-dimensional station map, container icon and data chart, the backlight adjustment circuit according to the light sensor data, adopts PWM control technology, is controlled by microprocessor to adjust the brightness of LED display screen, wherein, the backlight circuit is the general technology at present, the embodiment does not make too much description.
[0037] User interaction module: including operation button unit, touch display screen unit and voice prompt unit; the operation button unit is arranged on the system operation panel, is connected with microprocessor through digital input interface, is used for sending operation instruction to the system, the touch display screen unit is equipped with touch liquid crystal display screen, is connected with microprocessor through touch control chip, is used for realizing container location query, map zooming and other operations, the voice prompt unit is composed of voice chip and loudspeaker, and microprocessor controls voice chip to play prompt voice according to system state.
[0038] Secondly, the working principle is described in detail, in the container storage yard, the container sensor unit in the data acquisition module cooperates with the electromagnetic induction container sensor and infrared opposite transmission sensor to detect the container state, the former is installed in each container location, when the container enters the container location, the bottom metal part changes the surrounding magnetic field, the electromagnetic induction signal output by the electromagnetic induction container sensor changes, thereby judging the container occupancy condition;The latter is installed around the container, and the infrared light is blocked by detecting whether the infrared light is blocked, to assist the former to accurately judge the container state, the two will transmit the collected digital signal to the digital input interface of the data acquisition control unit, at the same time, the high-frequency RFID reader installed in the entrance and exit channel of the station emits radio frequency signal, activates the RFID tag on the passing container, obtains the container number, cargo type and other information, and outputs in serial data form, and is transmitted to the RFID communication interface of the data acquisition control unit. The programmable logic controller (PLC) of the data acquisition control unit will preliminarily integrate and store the received digital signal and serial data, and then transmit to the data processing module.
[0039] If there is an analog signal input, the filter capacitor of the analog-digital conversion component filters the analog signal and removes noise, the reference voltage source provides a stable reference voltage for the ADC chip, the ADC chip converts the analog signal into a digital signal, the shift register of the serial-parallel conversion component receives serial data from the data acquisition control unit bit by bit under the clock signal of the clock signal generator, and under the cooperative control of the logic gate circuit, the serial data is converted into parallel data. Because the level standards of each component may be different, the level conversion chip of the level conversion component can convert the signals output by the analog-digital conversion component and the serial-parallel conversion component according to the level requirements of the input and output. The pull-up resistor ensures the stability of the level of the input pin and the enable pin of the level conversion chip. The converted signal is transmitted to the microprocessor unit, the microprocessor unit analyzes and processes the received data, judges the box occupancy state, counts the number of containers, etc., and sends control signals to the data conversion circuit according to the processing results to control the data conversion process.
[0040] As shown in Figure 3 The logic gate circuit is connected with the D flip-flop for common control, the D flip-flop and the AND gate are used to control the data loading to the shift register, the data input end D of the D flip-flop is connected with the data loading signal (issued by the microprocessor unit according to the data acquisition condition), the clock input end is connected with the output end of the clock signal generator, the output end Q of the D flip-flop is connected with the parallel data valid signal (indicating that the serial data has been completely transmitted and can be converted into parallel data) as the input of the AND gate, and the output of the AND gate is connected to the loading pin (LOAD) of the shift register. Only when the data loading signal is valid (the output of the D flip-flop is high) and the parallel data valid signal is high, the output of the AND gate is high, triggering the shift register to perform the data loading operation. The AND gate is used to control the enable pin (EN) of the shift register. The system enable signal and the clock signal are used as the inputs of the AND gate, and the output of the AND gate is connected to the enable pin of the shift register. Only when the system enable signal and the clock signal are both high, the register is in the enabled state, if the EN pin receives a low-level signal, the shift register is in the disabled state and will not perform any data shifting operation, even if the clock signal is still changing.
[0041] The data processed by the microprocessor unit is transmitted to the visualization display module, the graphic display controller receives the data and converts it into graphic information, such as identifying the container position occupation state with different colors, intuitively displaying the container number and position on the display screen, then the graphic display controller sends the graphic information to the LED display screen unit, realizing the visualization display of the container position information, wherein the microprocessor unit adopts an ARM Cortex-M7 series microprocessor, is equipped with a clock circuit, a reset circuit, a power management circuit and a cache mechanism, the clock circuit provides a stable clock signal for the microprocessor, the reset circuit is used to restore the microprocessor to the initial state when the system starts or abnormally, the power management circuit provides a stable power supply for the microprocessor and has an overvoltage and overcurrent protection function, the cache mechanism is used to temporarily store frequently accessed data and instructions, and the microprocessor unit is connected with the flash memory unit through an SPI interface.When the microprocessor needs to store the container basic information, the container position information or the historical operation data, the processed data is transmitted to the flash memory unit through the SPI interface for storage.When reading data, the process is opposite, the microprocessor unit is connected with the EEPROM storage unit through an I2C interface, and the reading and writing operations of the system configuration parameters are completed through the interface.
[0042] In the user interaction stage, the staff can issue operation instructions to the system by operating the button unit, the button unit transmits the instructions in the form of digital signals to the microprocessor unit through the digital input interface, the microprocessor unit executes corresponding operations according to the instructions, and also can perform touch operation on the touch display screen unit, the touch control chip converts the touch position information into digital signals and sends them to the microprocessor unit, and the microprocessor unit executes operations according to the preset interaction logic, in addition, the microprocessor unit also sends control signals to the voice prompt unit according to the system running state and user operation, the voice prompt unit plays corresponding prompt voice, realizing convenient and efficient human-computer interaction, helping the staff to comprehensively and timely master the container position information of the container stacking station and improving the operation and management efficiency of the station.
[0043] The above are preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A visual container location information display system suitable for container storage yards, characterized in that, include: The system includes a data acquisition module, a data processing module, a visualization module, and a user interaction module. The data acquisition module is sequentially connected to the data processing module and the visualization module, and the user interaction module is connected to the data acquisition module. The data acquisition module includes a container position sensor unit, an RFID unit, and a data acquisition control unit. The data processing module includes a microprocessor unit and a data conversion circuit. The microprocessor unit is connected to the container position sensor unit and the RFID unit through the data acquisition control unit and the data conversion circuit. The visualization module includes an LED display unit and a graphic display controller. The graphic display controller is connected to the LED display unit and the microprocessor unit, respectively.
2. The visual container location information display system suitable for container storage yards according to claim 1, characterized in that, The container position sensor unit includes an electromagnetic induction container position sensor and an infrared beam sensor. The electromagnetic induction container position sensor is installed in each container position and determines the container position by detecting changes in the electromagnetic induction signal generated by the influence of the magnetic field on the metal parts at the bottom of the container. The infrared beam sensor is installed around the container position to assist in detecting the container position status.
3. The visual container location information display system suitable for container storage yards according to claim 1, characterized in that, The RFID unit includes a high-frequency RFID reader, which is installed at the station's entrance and exit channels to read RFID tag information on containers.
4. A visual container location information display system suitable for container storage yards according to claim 1, characterized in that, The data acquisition and control unit includes a programmable logic controller (PLC). The PLC is equipped with an analog input interface, a digital input interface, and an RFID communication interface, which are used to connect to the box position sensor unit and the RFID reader unit to acquire data, respectively.
5. A visual container location information display system suitable for container storage yards according to claim 1, characterized in that, The data conversion circuit includes an analog-to-digital converter, a serial-to-parallel converter, and a level conversion unit. The analog-to-digital converter and the serial-to-parallel converter are both connected to the microprocessor unit through the level conversion unit.
6. A visual container location information display system suitable for container storage yards according to claim 5, characterized in that, The analog-to-digital conversion component includes an ADC chip, a filter capacitor, and a reference voltage source. The filter capacitor is connected in parallel between the analog input pin of the ADC chip and ground. The reference voltage source is connected to the reference voltage pin of the ADC chip to provide a stable reference voltage for the ADC chip.
7. A visual container location information display system suitable for container storage yards according to claim 5, characterized in that, The serial-to-parallel conversion component includes a shift register, a clock signal generator, and logic gates. The serial input pin of the shift register receives serial data, the clock pin of the shift register is connected to the output of the clock signal generator, and the input pin of the logic gates is connected to the control pin of the shift register to control the data transmission and processing order.
8. A visual container location information display system suitable for container storage yards according to claim 5, characterized in that, The level conversion component includes a level conversion chip and pull-up resistors. The level conversion chip performs level conversion on the signal according to the input and output level requirements. The input pin and enable pin of the level conversion chip are respectively provided with pull-up resistors.
9. A visual container location information display system suitable for container storage yards according to claim 8, characterized in that, The digital signals and parallel data of the data conversion circuit are connected to the data input pins of the microprocessor unit through a level conversion chip. The control signal output pins of the microprocessor unit are respectively connected to the control pins of the ADC chip, the control pins of the shift register, and the control pins of the level conversion chip to control the data conversion process.
10. A visual container location information display system suitable for container storage yards according to claim 1, characterized in that, The user interaction module includes an operation button unit, a touch screen unit, and a voice prompt unit. The operation button unit is connected to the microprocessor unit via a digital input interface to send operation commands. The touch screen unit is connected to the microprocessor unit via a touch control chip to realize interactive operation. The voice prompt unit is controlled by the microprocessor unit to play prompt voice messages.