Wireless weighing transmission garbage can and data transmission method

Abstract

The invention provides a wireless weighing transmission garbage can and a data transmission method, and relates to the technical field of weighing garbage cans, the garbage can comprises a weighing device, a data acquisition device wirelessly connected with the weighing device and mounted on a vehicle, and a cloud management platform for acquiring information of the data acquisition device; the weighing device comprises a garbage can body, a weighing plate, a bottom plate, a weighing control module and a weighing sensor, wherein the weighing plate and the bottom plate are sequentially installed at the bottom of the garbage can body, the weighing control module is installed on the weighing plate, and the weighing sensor is embedded into the weighing control module. The data acquisition equipment comprises a data acquisition control module for acquiring information of the weighing device, and a display for displaying the number and the position of the garbage can and the garbage weight; through a cloud management platform, a collection and transportation unit can accurately obtain the garbage weight of a garbage can at a collection and transportation point, garbage collection and transportation management is quantified, data can be temporarily stored by using a memory U5 in data acquisition equipment, it is ensured that the data is not lost when communication is interrupted, and the integrity of the data is improved.

Description

Technical Field

[0001] The present invention relates to a wireless weighing and transmitting trash can and a data transmission method, and particularly relates to the technical field of weighing trash cans. Background Art

[0002] With the acceleration of the urbanization process, garbage disposal has become an important issue in urban management, and there are problems with traditional garbage collection methods; Traditional garbage collection methods rely on manual inspections and cannot grasp the full-load situation of trash cans in real time, resulting in frequent empty vehicle round trips and resource waste. The manual inspection and transportation costs are relatively high, increasing the economic burden of urban management; the status information of trash cans cannot be obtained in real time, making it difficult to conduct scientific scheduling and management, and garbage overflow may cause environmental pollution and affect the city appearance.

[0003] In the current practice of garbage collection operations, garbage collection vehicles shuttle between established stations to perform garbage collection tasks. However, the collection and transportation department faces a significant challenge in the operation process: it cannot grasp the details of each collection order in real time, including the number of trash cans collected and the exact weight of each barrel of garbage. This information gap directly leads to the problem that it is difficult to accurately calculate the garbage collection cost.

[0004] Although the smart trash cans on the market currently have certain intelligent functions, such as automatic induction of opening the lid, there are still deficiencies in garbage weight monitoring, position tracking, and data remote transmission, and it is impossible to obtain the loading weight of the trash can in real time. Summary of the Invention

[0005] Object of the Invention: One object is to propose a wireless weighing and transmitting trash can to solve the above problems existing in the prior art; a further object is to propose a data transmission method for the wireless weighing and transmitting trash can.

[0006] Technical Solution: A wireless weighing and transmitting trash can includes: A weighing device, a data acquisition device wirelessly connected to the weighing device and installed on a vehicle, and a cloud management platform for obtaining information of the data acquisition device; The weighing device includes a trash can body, a weighing plate and a bottom plate sequentially installed at the bottom of the trash can, a weighing control module installed on the weighing plate, and a weighing sensor embedded in the weighing control module; The data acquisition device includes a data acquisition control module for obtaining information of the weighing device, and a display for displaying the number of trash cans, the position, and the garbage weight; The data acquisition control module includes: A GSM module for data exchange with the weighing device; A GPS module for determining the position of the weighing device; A cloud management platform for operation and maintenance, data statistics and data analysis of weighing devices and data acquisition equipment.

[0007] In a further embodiment, the weighing control module further includes a power supply unit, a first Bluetooth unit, a voltage conversion unit and an indication unit; The power supply unit includes a capacitor C1, a resistor R1, a converter U1, an inductor L1, a resistor R2, a resistor R3, a capacitor C2, a voltage regulator U2 and a capacitor C3. One end of the capacitor C1 is connected to the terminal row J1 pin 1, the port VIN, one end of the resistor R1 and the converter U1 pin 7; the other end of the capacitor C1 is connected to the terminal row J1 pin 2, one end of the resistor R3, one end of the capacitor C2, one end of the capacitor C3, the voltage regulator U2 pin 1, the converter U1 pin 6 and the ground wire GND. The other end of the resistor R1 is connected to the converter U1 pin 5. The converter U1 pin 1 is connected to one end of the inductor L1. The other end of the inductor L1 is connected to one end of the resistor R2, the other end of the capacitor C2, the voltage regulator U2 pin 3 and the power supply +5V; the other end of the resistor R2 is connected to the other end of the resistor R3 and the converter U1 pin 4; the other end of the capacitor C3 is connected to the voltage regulator U2 pin 4.

[0008] In a further embodiment, the first Bluetooth unit includes a processor U3, a resistor R4, a capacitor C4, a capacitor C7, a capacitor C6, a capacitor C5, a capacitor C8 and an oscillator X1. The processor U3 pin 32 is connected to the other end of the capacitor C3 and one end of the resistor R4. The other end of the capacitor C7 is connected to the ground wire GND, one end of the capacitor C8 and the processor U3 pin 20. The other end of the capacitor C8 is connected to one end of the inductor L2 and the processor U3 pin 19. The other end of the inductor L2 is connected to the radio frequency end RF; the processor U3 pin 24 is connected to one end of the capacitor C5 and the oscillator X1 pin 1. The other end of the capacitor C5 is connected to the ground wire GND, the oscillator X1 pin 4, one end of the capacitor C6 and the oscillator X1 pin 2; the other end of the capacitor C6 is connected to the processor U3 pin 23 and the oscillator X1 pin 3; the other end of the capacitor R4 is connected to one end of the capacitor C4 and the processor U3 pin 16. The other end of the capacitor C4 is connected to the ground wire GND.

[0009] In a further embodiment, the voltage conversion unit includes a voltage regulator U4, a capacitor C9, a capacitor C10, and a capacitor C11. One end of the capacitor C9 is connected to the pin 7 of the voltage regulator U4 and one end of the capacitor C7. The other end of the capacitor C9 is connected to the ground wire GND, the pin 4 of the voltage regulator U4, one end of the capacitor C11, the pin 6 of the processor U3, and one end of the capacitor C10. The other end of the capacitor C10 is connected to the pin 5 of the processor U3, the pins 1 and 8 of the voltage regulator U4. The other end of the capacitor C11 is connected to the pin 6 of the processor U3, the pins 2 and 3 of the voltage regulator U4. The pin 6 of the voltage regulator U4 is connected to the pin 14 of the processor U3. The pin 5 of the voltage regulator U4 is connected to the processor U15. The indication unit includes an indicator light LED1, an indicator light LED2, and an indicator light LED3. The negative extreme of the indicator light LED1 is connected to the pin 26 of the processor U3. The positive extreme of the indicator light LED1 is connected to the positive extreme of the indicator light LED2, the positive extreme of the indicator light LED3, and one end of the capacitor C7. The negative extreme of the indicator light LED2 is connected to the pin 22 of the processor U3. The negative extreme of the indicator light LED3 is connected to the pin 21 of the processor U3.

[0010] In a further embodiment, the data acquisition control module further includes a second Bluetooth unit and a connector U7. The second Bluetooth unit includes a processor U6, a speaker B1, a triode Q1, a resistor R5, a capacitor C13, a diode D1, an inductor L3, a capacitor C14, a memory U5, an oscillator X2, and a capacitor C13. The pins 48 and 13 of the processor U6 are connected to one end of the speaker B1, the negative extreme of the diode D1, one end of the capacitor C13, one end of the resistor R7, and the pin 1 of the terminal block J3. The other end of the capacitor C13 is connected to the ground wire GND, one end of the capacitor C14, one end of the capacitor C12, the emitter extreme of the triode Q1, the pins 2 and 5 of the oscillator X2. The other end of the capacitor C12 is connected to the pin 35 of the processor U6 and the pin 2 of the oscillator X2. The other end of the capacitor C14 is connected to the pin 34 of the processor U6 and the pin 3 of the oscillator X2. One end of the inductor L3 is connected to the pin 30 of the processor U6. The other end of the inductor L3 is connected to the RF terminal. The base extreme of the triode Q1 is connected to one end of the resistor R5. The other end of the resistor R5 is connected to the pin 22 of the processor U6. The collector extreme of the triode Q1 is connected to the positive extreme of the diode D1 and the other end of the speaker B1. The pin 1 of the memory U5 is connected to the pin 20 of the processor U6. The pin 2 of the memory U5 is connected to the pin 19 of the processor U6. The pin 2 of the memory U5 is connected to the pin 19 of the processor U6. The pin 6 of the memory U5 is connected to the pin 23 of the processor U6. The pin 5 of the memory U5 is connected to the pin 21 of the processor U6. The pin 8 of the memory U5 is connected to the pin 48 of the processor U6.

[0011] In a further embodiment, pin 3 of the connector U7 is connected to pin 8 of the processor U6, pin 4 of the connector U7 is connected to pin 9 of the processor U6, pin 9 of the connector U7 is connected to pin 10 of the processor U6, and pin 10 of the connector U7 is connected to pin 11 of the processor U6.

[0012] In a further embodiment, a device slot is also opened at the bottom of the trash can body. The weighing plate is placed in the device slot and is threadedly connected to the trash can body. A waterproof rubber ring is provided between the weighing plate and the device slot; the bottom plate is threadedly connected to the weighing plate by screws, and the bottom plate is in clearance fit with the device slot, and the bottom plate protrudes from the device slot by a certain distance.

[0013] In a further embodiment, the weighing device is connected to the data acquisition device through Bluetooth, LoRa, NB, 433 communication, RFID.

[0014] A data transmission method for a wireless weighing and transmitting trash can, used to implement the above-mentioned wireless weighing and transmitting trash can, includes: First, the weighing device acquires and collects the weight data of the trash can body, and then wirelessly transmits the collected data. During the wireless data transmission, the communication device numbers the trash can body and wirelessly transmits it to the cloud management platform; The data acquisition device acquires the weighing data of the weighing sensor in the weighing device through wireless communication, and sets the association of the weighing device ID, positioning information, and timestamp of the trash can body through the GSM module and the GPS module; Under ideal conditions, there is a linear relationship between the input and output of the weighing sensor. When the input is zero, the output is zero. The expression is as follows: , In the formula, and represent different physical quantities; represents the sensitivity coefficient; When is the force applied to the weighing sensor, is the output voltage, then the actual relationship between the input and output of the weighing sensor is: , In the formula, represents the sensitivity coefficient; represents the influence value of the non-linearity of the weighing sensor and environmental changes on the sensitivity coefficient; represents the part that changes with the environment; represents time; represents the change value of the zero point of the weighing sensor with the environment.

[0015] In a further embodiment, the weight acquisition of the weighing device: the sensitive element in the weighing sensor detects the weight of the garbage in the trash can body, converts the detected weight value into an analog signal, and then the A / D converter converts the continuously changing analog signal into a discrete digital signal for transmission; Weight data acquisition: the A / D converter sends the converted digital signal to the CPU, and the CPU processes the obtained digital signal, controls the on / off of the trigger module according to the processing result, and transmits the data through the communication device in the on state; Wireless data transmission: the wireless data transceiver module receives the data transmitted by the communication device, then stores the transmitted data through the PAM module, and then judges the storage state of the PAM module; When the PAM module is abnormal, an error flag is prompted. When normal, it is judged whether the address read from the EEPRO node address to the address in the PAM module is valid; If it is invalid, an error flag is prompted. If it is valid, it is stored in the Node unit; and the environmental parameter value is read, and then it is judged whether the environmental parameter value needs to be compensated; If no compensation is required, an error flag is prompted. When compensation is required, the environmental parameter compensation sub-module intervenes, and then the data is sent according to the protocol requirements. When the sent data is valid, the data acquisition device accepts the weighing data. If it is invalid, it does not meet the protocol requirements; when the sent data is valid, it is stored in the Node unit, and it is judged whether the Node unit has a 4G signal. If there is no signal, it waits. If there is a signal, the message and heartbeat data are forwarded. If the forwarding is unsuccessful, the message and heartbeat data are re-forwarded. If successful, it ends; After storage, it is sent to the communication device again for data transmission; A computer obtains the data sent by the communication device through the cloud management platform. The cloud management platform obtains the weight data of the weighing device, the weighing device ID, the data acquisition device ID, and the timestamp according to the obtained data, combines them to generate report data, and then analyzes the report data of the weighing device and the data acquisition device to monitor the operating status of the weighing device and the data acquisition device in real time.

[0016] In a further embodiment, the model of the converter U1 is TPS5430DDAR; the model of the voltage regulator U2 is AMS1117-3.3V; the model of the processor U3 is nRF52810-QCAA-R; the model of the voltage regulator U4 is CS1237-SOP8; the model of the processor U6 is NRF52832-QFAA-R; the model of the triode Q1 is NPN; the model of the memory U5 is W25Q32JVSSIQ; the model of the connector U7 is TYPE-C16PIN2MD.

[0017] Beneficial effects: The present invention provides a wireless weighing and transmitting trash can and a data transmission method. Through the cloud management platform, the collection and transportation unit can accurately obtain the garbage weight of the trash cans at the collection points, quantify the garbage collection and transportation management, promptly discover and handle full-load situations, avoid environmental pollution caused by garbage overflow, and use the memory U5 in the data acquisition device to temporarily store data to ensure that data is not lost during communication interruption, improving data integrity. The oscillators X1 and X2 provide stable clock signals to ensure the accuracy of data processing and communication. The capacitors C1, resistors R1, and converter U1: filter and limit current to ensure the stability of the input voltage and protect the system from voltage fluctuations; the processor U3 is responsible for data processing and Bluetooth communication to ensure accurate data transmission. The oscillator X1 provides a stable clock signal to ensure the accuracy of Bluetooth communication. The inductor L2 matches the radio frequency signal to improve communication quality. The data acquisition control module, through the processor U6: is responsible for data processing and communication to ensure the accuracy and real-time nature of the data. Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the split trash can of the present invention.

[0019] Figure 2 It is a three-dimensional schematic diagram of the trash can of the present invention.

[0020] Figure 3 It is a right view of the trash can of the present invention.

[0021] Figure 4 It is a schematic diagram of the data transmission process of the present invention.

[0022] Figure 5 It is a schematic diagram of the weighing sensor process of the present invention.

[0023] Figure 6 It is a circuit diagram of the weighing control module of the present invention.

[0024] Figure 7 It is a circuit diagram of the data acquisition control module of the present invention.

[0025] Figure 8 It is a flow chart of the storage status verification of the present invention.

[0026] The reference numerals are: 1. trash can body; 11. equipment slot; 2. weighing plate; 21. communication device; 3. bottom plate. Detailed Embodiments

[0027] To solve the problems existing in the prior art, the present invention provides a wireless weighing and transmitting trash can and a data transmission method.

[0028] The following is a further specific description of the solution through embodiments and in combination with the drawings.

[0029] In this application, a wireless weighing and transmitting trash can includes: a weighing device, a data acquisition device that is wirelessly connected to the weighing device and installed on a vehicle, and a cloud management platform for obtaining information of the data acquisition device; The weighing device includes a trash can body, a weighing plate 2 and a bottom plate 3 sequentially installed at the bottom of the trash can, a weighing control module installed on the weighing plate 2, and a weighing sensor embedded in the weighing control module; an equipment slot 11 is further opened at the bottom of the trash can body 1, the weighing plate 2 is placed in the equipment slot 11 and is threadedly connected to the trash can body 1, and a waterproof rubber ring is provided between the weighing plate 2 and the equipment slot 11; the bottom plate 3 is threadedly connected to the weighing plate 2 by screws, the bottom plate 3 is in clearance fit with the equipment slot 11, the bottom plate 3 protrudes from the equipment slot 11 by a certain distance, and the weighing device is connected to the data acquisition device through Bluetooth, LoRa, NB, 433 communication, RFID.

[0030] The weighing control module further includes a power supply unit, a first Bluetooth unit, a voltage conversion unit, and an indication unit; the power supply unit includes a capacitor C1, a resistor R1, a converter U1, an inductor L1, a resistor R2, a resistor R3, a capacitor C2, a voltage regulator U2, and a capacitor C3.

[0031] One end of the capacitor C1 is connected to the pin 1 of the terminal block J1, the port VIN, one end of the resistor R1, and the pin 7 of the converter U1; the other end of the capacitor C1 is connected to the pin 2 of the terminal block J1, one end of the resistor R3, one end of the capacitor C2, one end of the capacitor C3, the pin 1 of the voltage regulator U2, the pin 6 of the converter U1, and the ground wire GND, the other end of the resistor R1 is connected to the pin 5 of the converter U1, the pin 1 of the converter U1 is connected to one end of the inductor L1, the other end of the inductor L1 is connected to one end of the resistor R2, the other end of the capacitor C2, the pin 3 of the voltage regulator U2, and the power supply +5V; the other end of the resistor R2 is connected to the other end of the resistor R3 and the pin 4 of the converter U1; the other end of the capacitor C3 is connected to the pin 4 of the voltage regulator U2.

[0032] The first Bluetooth unit includes a processor U3, a resistor R4, a capacitor C4, a capacitor C7, a capacitor C6, a capacitor C5, a capacitor C8, and an oscillator X1.

[0033] Pin 32 of the processor U3 is connected to the other end of the capacitor C3 and one end of the resistor R4. The other end of the capacitor C7 is connected to the ground wire GND, one end of the capacitor C8, and pin 20 of the processor U3. The other end of the capacitor C8 is connected to one end of the inductor L2 and pin 19 of the processor U3. The other end of the inductor L2 is connected to the RF terminal. Pin 24 of the processor U3 is connected to one end of the capacitor C5 and pin 1 of the oscillator X1. The other end of the capacitor C5 is connected to the ground wire GND, pin 4 of the oscillator X1, one end of the capacitor C6, and pin 2 of the oscillator X1. The other end of the capacitor C6 is connected to pin 23 of the processor U3 and pin 3 of the oscillator X1. The other end of the capacitor R4 is connected to one end of the capacitor C4 and pin 16 of the processor U3. The other end of the capacitor C4 is connected to the ground wire GND.

[0034] The voltage conversion unit includes a voltage regulator U4, capacitors C9, C10, and C11.

[0035] One end of the capacitor C9 is connected to pin 7 of the voltage regulator U4 and one end of the capacitor C7. The other end of the capacitor C9 is connected to the ground wire GND, pin 4 of the voltage regulator U4, one end of the capacitor C11, pin 6 of the processor U3, and one end of the capacitor C10. The other end of the capacitor C10 is connected to pin 5 of the processor U3, pins 1 and 8 of the voltage regulator U4. The other end of the capacitor C11 is connected to pin 6 of the processor U3, pins 2 and 3 of the voltage regulator U4. Pin 6 of the voltage regulator U4 is connected to pin 14 of the processor U3. Pin 5 of the voltage regulator U4 is connected to the processor U15. The indication unit includes indicator lights LED1, LED2, and LED3.

[0036] The negative terminal of the indicator light LED1 is connected to pin 26 of the processor U3. The positive terminal of the indicator light LED1 is connected to the positive terminals of the indicator lights LED2 and LED3 and one end of the capacitor C7. The negative terminal of the indicator light LED2 is connected to pin 22 of the processor U3. The negative terminal of the indicator light LED3 is connected to pin 21 of the processor U3.

[0037] The data acquisition device includes a data acquisition control module for obtaining information of the weighing device, and a display for showing the number, location, and garbage weight of the trash cans. The data acquisition control module includes: a GSM module for data exchange with the weighing device. A GPS module for determining the location of the weighing device. A cloud management platform for operation and maintenance, data statistics, and data analysis of the weighing device and the data acquisition device.

[0038] The data acquisition control module further includes a second Bluetooth unit and a connector U7. The second Bluetooth unit includes a processor U6, a speaker B1, a triode Q1, a resistor R5, a capacitor C13, a diode D1, an inductor L3, a capacitor C14, a memory U5, an oscillator X2, and a capacitor C13.

[0039] Pin 48 and pin 13 of the processor U6 are both connected to one end of the speaker B1, the negative electrode end of the diode D1, one end of the capacitor C13, one end of the resistor R7, and pin 1 of the terminal block J3. The other end of the capacitor C13 is connected to the ground wire GND, one end of the capacitor C14, one end of the capacitor C12, the emitter end of the triode Q1, pin 2 and pin 5 of the oscillator X2. The other end of the capacitor C12 is connected to pin 35 of the processor U6 and pin 2 of the oscillator X2. The other end of the capacitor C14 is connected to pin 34 of the processor U6 and pin 3 of the oscillator X2. One end of the inductor L3 is connected to pin 30 of the processor U6. The other end of the inductor L3 is connected to the RF terminal. The base end of the triode Q1 is connected to one end of the resistor R5. The other end of the resistor R5 is connected to pin 22 of the processor U6. The collector end of the triode Q1 is connected to the positive electrode end of the diode D1 and the other end of the speaker B1. Pin 1 of the memory U5 is connected to pin 20 of the processor U6. Pin 2 of the memory U5 is connected to pin 19 of the processor U6. Pin 2 of the memory U5 is connected to pin 19 of the processor U6. Pin 6 of the memory U5 is connected to pin 23 of the processor U6. Pin 5 of the memory U5 is connected to pin 21 of the processor U6. Pin 8 of the memory U5 is connected to pin 48 of the processor U6.

[0040] Pin 3 of the connector U7 is connected to pin 8 of the processor U6. Pin 4 of the connector U7 is connected to pin 9 of the processor U6. Pin 9 of the connector U7 is connected to pin 10 of the processor U6. Pin 10 of the connector U7 is connected to pin 11 of the processor U6.

[0041] The weighing device is connected to the data acquisition device through Bluetooth, LoRa, NB, 433 communication, and RFID.

[0042] A data transmission method for a wireless weighing and transmitting trash can, used to implement the wireless weighing and transmitting trash can, includes: First, the weighing device acquires and collects the weight data of the trash can body 1, and then wirelessly transmits the collected data. During the wireless data transmission, the communication device 21 numbers the trash can body 1 and wirelessly transmits it to the cloud management platform. The data acquisition device acquires the weighing data of the weighing sensor in the weighing device through wireless communication, and sets the weighing device ID, positioning information, and timestamp association of the trash can body 1 through the GSM module and the GPS module.

[0043] Under ideal conditions, there is a linear relationship between the input and output of a load cell. When the input is zero, the output is zero, and the expression is as follows: , In the formula, and represent different physical quantities; represents the sensitivity coefficient; When is the force applied to the load cell and is the output voltage, the actual relationship between the input and output of the load cell is: , In the formula, represents the sensitivity coefficient; represents the influence value of the non-linearity of the load cell and environmental changes on the sensitivity coefficient; represents the part that changes with the environment; represents time; represents the change value of the zero point of the load cell with the environment.

[0044] Weight acquisition of the weighing device: The sensitive element in the load cell detects the weight of the garbage in the trash can body 1, converts the detected weight value into an analog signal, and then the A / D converter converts the continuously changing analog signal into a discrete digital signal for transmission; Weight data acquisition: The A / D converter sends the converted digital signal to the CPU. The CPU processes the acquired digital signal, controls the on / off of the trigger module according to the processing result, and transmits the data through the communication device 21 in the on state; Wireless data transmission: The wireless data transceiver module receives the data transmitted by the communication device 21, then stores the transmitted data through the PAM module, and then judges the storage state of the PAM module; When the PAM module is abnormal, an error flag is prompted. When it is normal, it is judged whether the address read from the EEPRO node address to the address in the PAM module is valid; When it is invalid, an error flag is prompted. When it is valid, it is stored in the Node unit (the weighing control module in the weighing device); and the environmental parameter value is read, and then it is judged whether the environmental parameter value needs to be compensated; When no compensation is required, an error flag is prompted. When compensation is required, the environmental parameter compensation sub-module intervenes, and then the data is sent according to the protocol requirements, When the data sent is valid, the data acquisition device accepts the weighing data; if it is invalid, it does not meet the protocol requirements. When the data sent is valid, it is stored in the Node unit, and it is judged whether the Node unit has a 4G signal. If there is no signal, it waits; if there is a signal, it forwards the message and heartbeat data. If the forwarding fails, it returns to re-forward the message and heartbeat data, and ends when successful. After the storage is completed, it is sent to the communication device 21 again for data transmission. The computer obtains the data sent by the communication device 21 through the cloud management platform. The cloud management platform obtains the weight data, weighing device ID, data acquisition device ID, and timestamp of the weighing device based on the obtained data, and combines them to generate report data. Then, it analyzes the report data of the weighing device and the data acquisition device to monitor the operating status of the weighing device and the data acquisition device in real time.

[0045] Working principle: The trash can body 1 is placed on the weighing plate 2, and the weighing sensor measures the weight of the trash can body 1. The weighing control module processes the weight data and sends the data to the data acquisition device through the first Bluetooth unit; the weighing control module measures and processes the weight data, and the power supply unit provides a stable power supply for the weighing control module; the first Bluetooth unit performs wireless data transmission with the data acquisition device, the voltage conversion unit converts the input voltage into the voltage required by the connection module, the capacitor C1 and the resistor R1 are used for filtering and current limiting, the converter U1 converts the input voltage into an intermediate voltage, the inductor L1 and the resistor R2 are used for filtering and stabilizing the output voltage, the voltage regulator U2: converts the intermediate voltage into the final required 5V voltage, the processor U3 is responsible for data processing and Bluetooth communication, the oscillator X1: provides a clock signal, the inductor L2 is used for matching the radio frequency signal, and the radio frequency terminal RF communicates with the Bluetooth module of the data acquisition device; The data acquisition device receives the data sent by the weighing device through the second Bluetooth unit. The data acquisition control module processes the received data and transmits the data to the cloud management platform through the GSM module; the GPS module determines the position of the weighing device and sends the position data to the cloud management platform; the display shows the number, position, and garbage weight of the trash can. The cloud management platform receives the data transmitted by the data acquisition device through the GSM module; stores the received data in the database; statistically analyzes the data to generate reports; provides an operation and maintenance management interface to facilitate the monitoring and management of the collection and transportation unit.

[0046] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be construed as a limitation of the present invention itself. Various changes can be made in its form and details without departing from the spirit and scope of the present invention defined by the appended claims.

Claims

1. A wireless weighing and transmitting trash can, characterized in that, Including: A weighing device, a data acquisition device wirelessly connected to the weighing device and installed on a vehicle, and a cloud management platform for obtaining information of the data acquisition device; The weighing device includes a trash can body, a weighing plate and a bottom plate sequentially installed at the bottom of the trash can, a weighing control module installed on the weighing plate, and a weighing sensor embedded in the weighing control module; The data acquisition device includes a data acquisition control module for obtaining information of the weighing device, and a display for displaying the number, location and garbage weight of the trash cans; The data acquisition control module includes; A GSM module for data exchange with the weighing device; A GPS module for determining the location of the weighing device; A cloud management platform for operation and maintenance, data statistics and data analysis of the weighing device and the data acquisition device.

2. The wireless weighing and transmitting trash can according to claim 1, wherein The weighing control module further includes a power supply unit, a first Bluetooth unit, a voltage conversion unit and an indication unit; The power supply unit includes a capacitor C1, a resistor R1, a converter U1, an inductor L1, a resistor R2, a resistor R3, a capacitor C2, a voltage regulator U2 and a capacitor C3. One end of the capacitor C1 is connected to the pin 1 of the terminal block J1, the port VIN, one end of the resistor R1 and the pin 7 of the converter U1; the other end of the capacitor C1 is connected to the pin 2 of the terminal block J1, one end of the resistor R3, one end of the capacitor C2, one end of the capacitor C3, the pin 1 of the voltage regulator U2, the pin 6 of the converter U1 and the ground wire GND. The other end of the resistor R1 is connected to the pin 5 of the converter U1. The pin 1 of the converter U1 is connected to one end of the inductor L1. The other end of the inductor L1 is connected to one end of the resistor R2, the other end of the capacitor C2, the pin 3 of the voltage regulator U2 and the power supply +5V; the other end of the resistor R2 is connected to the other end of the resistor R3 and the pin 4 of the converter U1; the other end of the capacitor C3 is connected to the pin 4 of the voltage regulator U2.

3. The wireless weighing and transmitting trash can according to claim 2, characterized in that, The first Bluetooth unit includes a processor U3, a resistor R4, a capacitor C4, a capacitor C7, a capacitor C6, a capacitor C5, a capacitor C8 and an oscillator X1. The pin 32 of the processor U3 is connected to the other end of the capacitor C3 and one end of the resistor R4. The other end of the capacitor C7 is connected to the ground wire GND, one end of the capacitor C8 and the pin 20 of the processor U3. The other end of the capacitor C8 is connected to one end of the inductor L2 and the pin 19 of the processor U3. The other end of the inductor L2 is connected to the RF terminal; the pin 24 of the processor U3 is connected to one end of the capacitor C5 and the pin 1 of the oscillator X1. The other end of the capacitor C5 is connected to the ground wire GND, the pin 4 of the oscillator X1, one end of the capacitor C6 and the pin 2 of the oscillator X1; the other end of the capacitor C6 is connected to the pin 23 of the processor U3 and the pin 3 of the oscillator X1; the other end of the capacitor R4 is connected to one end of the capacitor C4 and the pin 16 of the processor U3. The other end of the capacitor C4 is connected to the ground wire GND.

4. The wireless weighing and transmitting trash can according to claim 2, characterized in that, The voltage conversion unit includes a voltage regulator U4, a capacitor C9, a capacitor C10, and a capacitor C11. One end of the capacitor C9 is connected to the pin 7 of the voltage regulator U4 and one end of the capacitor C7. The other end of the capacitor C9 is connected to the ground wire GND, the pin 4 of the voltage regulator U4, one end of the capacitor C11, the pin 6 of the processor U3, and one end of the capacitor C10. The other end of the capacitor C10 is connected to the pin 5 of the processor U3, the pins 1 and 8 of the voltage regulator U4. The other end of the capacitor C11 is connected to the pin 6 of the processor U3, the pins 2 and 3 of the voltage regulator U4. The pin 6 of the voltage regulator U4 is connected to the pin 14 of the processor U3. The pin 5 of the voltage regulator U4 is connected to the processor U15. The indicating unit includes an indicator light LED1, an indicator light LED2, and an indicator light LED3. The negative extreme of the indicator light LED1 is connected to the pin 26 of the processor U3. The positive extreme of the indicator light LED1 is connected to the positive extreme of the indicator light LED2, the positive extreme of the indicator light LED3, and one end of the capacitor C7. The negative extreme of the indicator light LED2 is connected to the pin 22 of the processor U3. The negative extreme of the indicator light LED3 is connected to the pin 21 of the processor U3.

5. A wireless weighing and transmitting trash can according to claim 1, characterized in that, The data acquisition control module further includes a second Bluetooth unit and a connector U7. The second Bluetooth unit includes a processor U6, a speaker B1, a triode Q1, a resistor R5, a capacitor C13, a diode D1, an inductor L3, a capacitor C14, a memory U5, an oscillator X2, and a capacitor C13. The pins 48 and 13 of the processor U6 are connected to one end of the speaker B1, the negative extreme of the diode D1, one end of the capacitor C13, one end of the resistor R7, and the pin 1 of the terminal block J3. The other end of the capacitor C13 is connected to the ground wire GND, one end of the capacitor C14, one end of the capacitor C12, the emitter extreme of the triode Q1, the pins 2 and 5 of the oscillator X2. The other end of the capacitor C12 is connected to the pin 35 of the processor U6 and the pin 2 of the oscillator X2. The other end of the capacitor C14 is connected to the pin 34 of the processor U6 and the pin 3 of the oscillator X2. One end of the inductor L3 is connected to the pin 30 of the processor U6. The other end of the inductor L3 is connected to the RF terminal. The base extreme of the triode Q1 is connected to one end of the resistor R5. The other end of the resistor R5 is connected to the pin 22 of the processor U6. The collector extreme of the triode Q1 is connected to the positive extreme of the diode D1 and the other end of the speaker B1. The pin 1 of the memory U5 is connected to the pin 20 of the processor U6. The pin 2 of the memory U5 is connected to the pin 19 of the processor U6. The pin 2 of the memory U5 is connected to the pin 19 of the processor U6. The pin 6 of the memory U5 is connected to the pin 23 of the processor U6. The pin 5 of the memory U5 is connected to the pin 21 of the processor U6. The pin 8 of the memory U5 is connected to the pin 48 of the processor U6.

6. The wireless weighing and transmitting trash can according to claim 5, characterized in that, Pin 3 of the connector U7 is connected to pin 8 of the processor U6, pin 4 of the connector U7 is connected to pin 9 of the processor U6, pin 9 of the connector U7 is connected to pin 10 of the processor U6, and pin 10 of the connector U7 is connected to pin 11 of the processor U6.

7. A wireless weighing and transmitting trash can according to claim 1, characterized in that, A device slot is also provided at the bottom of the trash can body. The weighing plate is placed in the device slot and is threadedly connected to the trash can body. A waterproof rubber ring is provided between the weighing plate and the device slot; the bottom plate is threadedly connected to the weighing plate by screws. The bottom plate is in clearance fit with the device slot, and the bottom plate protrudes from the device slot by a certain distance.

8. A wireless weighing and transmitting trash can according to claim 1, wherein The weighing device is connected to the data collection device through Bluetooth, LoRa, NB, 433 communication, RFID.

9. A data transmission method for a wireless weighing and transmitting trash can, which is used to implement the wireless weighing and transmitting trash can according to any one of the above claims 1-8, characterized in that, Including: First, the weighing device acquires and collects the weight data of the trash can body, and then wirelessly transmits the collected data. During the wireless data transmission, the communication device numbers the trash can body and wirelessly transmits it to the cloud management platform; The data collection device obtains the weighing data of the weighing sensor in the weighing device through wireless communication, and sets the weighing device ID, positioning information, and timestamp association of the trash can body through the GSM module and GPS module; Under ideal conditions, there is a linear relationship between the input and output of the weighing sensor. When the input is zero, the output is zero. The expression is as follows: ， In the formula, and represent different physical quantities; represents the sensitivity coefficient; When is the force applied to the load cell, is the output voltage, the relationship between the actual input and output of the load cell is: ， In the formula, represents the sensitivity coefficient; represents the influence value of the non-linearity of the load cell and environmental changes on the sensitivity coefficient; represents the part that varies with the environment; represents time; represents the change value of the zero point of the load cell with the environment.

10. According to the data transmission method of a wireless weighing and transmitting trash can according to claim 9, characterized in that Weight acquisition of the weighing device: The sensitive element in the weighing sensor detects the weight of the garbage in the trash can body, converts the detected weight value into an analog signal, and then the A / D converter converts the continuously changing analog signal into a discrete digital signal for transmission; Weight data acquisition: The A / D converter sends the converted digital signal to the CPU. The CPU processes the obtained digital signal, controls the on / off of the trigger module according to the processing result, and transmits the data through the communication device in the on state; Wireless data transmission: The wireless data transceiver module receives the data transmitted by the communication device, then stores the transmitted data through the PAM module, and then judges the storage state of the PAM module; When the PAM module is abnormal, an error flag is prompted. When it is normal, it is judged whether the address read from the EEPRO node address to the address in the PAM module is valid; If it is invalid, an error flag is prompted. If it is valid, it is stored in the Node unit; And read the environmental parameter value, and then judge whether the environmental parameter value needs to be compensated; When no compensation is required, an error flag is prompted. When compensation is required, the environmental parameter compensation sub-module intervenes, and then the data is sent according to the protocol requirements. When the transmitted data is valid, the data collection device accepts the weighing data. If it is invalid, it does not meet the protocol requirements; when the transmitted data is valid, it is stored in the Node unit, and it is judged whether the Node unit has a 4G signal. If there is no signal, it waits. If there is a signal, it forwards the message and heartbeat data. If the forwarding is unsuccessful, it returns to re-forward the message and heartbeat data, and the successful one ends; After storage, it is sent to the communication device again for data transmission; The computer obtains the data sent by the communication device through the cloud management platform. The cloud management platform obtains the weight data, weighing device ID, data acquisition device ID, and timestamp of the weighing device based on the acquired data, combines them to generate report data, and then analyzes the report data of the weighing device and the data acquisition device to monitor the operating status of the weighing device and the data acquisition device in real time.

Images