Wireless flow remote transmission monitoring device

Abstract

The utility model discloses a wireless flow remote transmission monitoring device, which is connected with a flow meter through a connecting assembly and comprises a control unit, a power supply unit, a switching value interface circuit, a communication unit, a storage unit, an interface conversion circuit, an interface operation circuit and a liquid crystal circuit, the switching value interface circuit, the communication unit, the storage unit, the interface conversion circuit, the interface operation circuit and the liquid crystal circuit are all connected with the control unit, and the power supply unit is connected with the communication unit, the interface conversion circuit and the interface operation circuit; according to the utility model, the switching value interface circuit connected with the control unit is arranged, the connection state of the connection assembly is monitored through the switching value interface circuit, and the connection state can be displayed through the liquid crystal circuit or wirelessly communicated through the communication unit, so that abnormity judgment can be quickly carried out based on actual conditions; and the maintenance and management cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of gas flow monitoring, in particular to a wireless flow remote transmission monitoring device. Background Art

[0002] The gas supply-sales gap reflects the internal management level of gas companies and is a key indicator of managers' management capabilities and performance. By strengthening the management and control of the gas supply-sales gap, companies can continuously optimize internal processes, improve operational efficiency, and ultimately achieve greater economic benefits and competitiveness.

[0003] The main reasons for the supply and sales gap include: unreasonable selection of measuring instruments; pressure, temperature, and correction failures of measuring instruments; stuck measuring instruments or damaged sensors; construction release or aging pipeline leakage; failure to timely calibrate and maintain measuring instruments, etc.

[0004] With the development of communication technology, the application of wireless communication technology in the industrial field is increasing. At the same time, embedded software and hardware technologies have also experienced rapid development. Effectively utilizing modern communication technologies and embedded software and hardware technologies to develop efficient, stable, and economical monitoring systems to monitor traffic data at each site has become a general trend.

[0005] Existing wireless flow data monitoring devices have basically realized real-time data collection, data transmission, data storage and basic statistical analysis functions. However, when there is a problem with the connection status of the connection components between the flow meter and the monitoring device, effective data transmission cannot be carried out due to failure of the flow meter, monitoring device or connection components. Management personnel cannot immediately obtain relevant information and make abnormal judgments, and cannot remotely determine whether the problem is with the connection components. Multiple on-site monitoring and confirmation are required, which greatly increases management costs.

[0006] In view of the above-mentioned defects, the inventors of the present invention finally obtained the present invention after a long period of research and practice. Utility Model Content

[0007] To address the above technical deficiencies, the present invention adopts a technical solution that provides a wireless flow remote monitoring device, which is connected to a flow meter via a connecting assembly. The wireless flow remote monitoring device includes a control unit, a power supply unit, a switch interface circuit, a communication unit, a storage unit, an interface conversion circuit, an interface operation circuit, and a liquid crystal circuit. The switch interface circuit, the communication unit, the storage unit, the interface conversion circuit, the interface operation circuit, and the liquid crystal circuit are all connected to the control unit, and the power supply unit is connected to the communication unit, the interface conversion circuit, and the interface operation circuit.

[0008] The switch quantity interface circuit is used to monitor switch quantity information, the monitored switch quantity is the connection state of the connection component, and the control unit adopts a single chip microcomputer;

[0009] The communication unit is used to realize data interaction between the control unit and the outside world; the storage unit is used to store and update data; the liquid crystal circuit is used to display data during testing and debugging; the interface conversion circuit is used to disperse the signal obtained from the interface end, which can convert multiple signals and realize the conversion of multiple signals; the interface operation circuit is used to perform arithmetic operations and logical operations on digital signals; the power supply unit is used to provide power for work.

[0010] Preferably, the storage unit includes a FLASH memory circuit and a FRAM memory, the FRAM memory is used for storing data; and the FLASH memory circuit is used for erasing and reprogramming stored data.

[0011] Preferably, the control unit adopts an MSP430 single-chip microcomputer, the interface conversion circuit adopts a 485 interface circuit, and the interface operation circuit adopts a 2-way digital interface circuit.

[0012] Preferably, the communication unit includes a 4G circuit and a Bluetooth circuit, and both the 4G circuit and the Bluetooth circuit are connected to the control unit; the Bluetooth circuit is also connected to a Bluetooth wake-up circuit, and the Bluetooth wake-up circuit is used to control the opening and closing of the Bluetooth circuit.

[0013] Preferably, the power supply unit includes a lithium battery, the lithium battery is connected to the interface operation circuit through a first system power supply, the lithium battery is connected to the interface conversion circuit through a second system power supply, and the lithium battery is connected to the Bluetooth circuit through a Bluetooth power supply.

[0014] Preferably, the lithium battery is a 7.4V rechargeable lithium battery, the first system power supply is a 3.3V power supply, the second system power supply is a 5V power supply, and the Bluetooth power supply is a 3.3V power supply.

[0015] Preferably, the wireless traffic remote monitoring device further comprises a crystal oscillator circuit, which is connected to the control unit and is used to provide a clock signal required by the wireless traffic remote monitoring device.

[0016] Preferably, the wireless traffic remote monitoring device further comprises a reset circuit, which is connected to the control unit and is used to restore the initial state of the wireless traffic remote monitoring device.

[0017] Preferably, the wireless traffic remote monitoring device further comprises a real-time clock circuit, which is connected to the control unit and is used to generate a periodic clock signal to control the operation of the wireless traffic remote monitoring device.

[0018] Preferably, the wireless traffic remote monitoring device further includes a battery voltage detection circuit, and the battery voltage detection circuit is connected to the control unit to detect the battery voltage value of the power supply unit.

[0019] Compared with the prior art, the beneficial effect of the present invention is that: the present invention monitors the connection status of the connection component through the switch interface circuit connected to the control unit by setting the switch interface circuit, and can display it through the liquid crystal circuit or communicate wirelessly through the communication unit, so that abnormality judgment can be quickly made based on actual conditions, thereby reducing maintenance and management costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the connection structure of the wireless traffic remote monitoring device. DETAILED DESCRIPTION

[0021] The above and other technical features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.

[0022] Example 1

[0023] like Figure 1 As shown, Figure 1 This is a schematic diagram of the connection structure of the wireless traffic remote monitoring device.

[0024] The wireless flow remote monitoring device of the utility model is connected to the flow meter through a connecting component, and the wireless flow remote monitoring device includes a control unit, a power supply unit, a switch interface circuit, a communication unit, a storage unit, an interface conversion circuit, an interface operation circuit, and a liquid crystal circuit. The switch interface circuit, the communication unit, the storage unit, the interface conversion circuit, the interface operation circuit, and the liquid crystal circuit are all connected to the control unit, and the power supply unit is connected to the communication unit, the interface conversion circuit, and the interface operation circuit.

[0025] The switch quantity interface circuit is used to monitor switch quantity information, the monitored switch quantity is the connection state of the connection component, and the control unit adopts a single chip microcomputer;

[0026] The communication unit is used to realize data interaction between the control unit and the outside world; the storage unit is used to store and update data; the liquid crystal circuit is used to display data during testing and debugging; the interface conversion circuit is used to disperse the signal obtained from the interface end, which can convert multiple signals and realize the conversion of multiple signals; the interface operation circuit is used to perform arithmetic operations and logical operations on digital signals; the power supply unit is used to provide power for work.

[0027] Preferably, the storage unit includes a FLASH memory circuit and a FRAM memory, the FRAM memory is used for storing data to ensure that the data is not lost after power failure; the FLASH memory circuit is used for erasing and reprogramming the stored data.

[0028] In this embodiment, the control unit adopts an MSP430 single-chip microcomputer, the interface conversion circuit adopts a 485 interface circuit, and the interface operation circuit adopts a 2-way digital interface circuit.

[0029] This utility model utilizes the MSP430 16-bit single-chip microcontroller (MCU). It features a streamlined instruction set architecture (RISC) with a rich addressing mode, 27 concise core instructions, and numerous analog instructions. Numerous registers and on-chip data memory can be used for various operations, along with efficient table lookup instructions. Driven by a 25MHz crystal, it achieves a 40ns instruction cycle. The 16-bit data width, 40ns instruction cycle, and a versatile hardware multiplier (capable of multiplication and addition) combine to implement certain digital signal processing algorithms (such as FFT). The 1.8V to 3.6V power supply allows the chip to consume a minimum of approximately 165μA when operating at a 1MHz clock. The lowest power consumption in RAM retention mode is only 0.1μA. Through a unique clock system design, these clocks can be turned on and off under instruction control, thereby achieving overall power consumption control.

[0030] At the same time, the high processing power, high computing speed and ultra-low power consumption of the MSP430 microcontroller enable the overall power consumption of the device to be controlled within 20μA, greatly reducing the consumption of battery power, effectively improving its utilization rate, and reducing the maintenance costs of subsequent battery replacement, including labor costs, management costs and consumables costs.

[0031] Specifically, when the switch interface circuit shows that the connection status of the connection component is stable, and the detection data of the wireless flow remote monitoring device is consistent with the actual data of the flow meter, then when the detection data is abnormal, the flow meter is abnormal; when the switch interface circuit shows that the connection status of the connection component is stable, and the detection data of the wireless flow remote monitoring device is inconsistent with the actual data of the flow meter, then the wireless flow remote monitoring device is abnormal; when the switch interface circuit shows that the connection status of the connection component is unstable, then the connection component is abnormal, so that the abnormal point can be quickly determined.

[0032] The utility model provides the switching interface circuit connected to the control unit, monitors the connection status of the connection component through the switching interface circuit, and can display it through the liquid crystal circuit or communicate wirelessly through the communication unit, so that abnormality judgment can be quickly made based on actual conditions, thereby reducing maintenance and management costs.

[0033] Example 2

[0034] The communication unit includes a 4G circuit and a Bluetooth circuit, both of which are connected to the control unit. The 4G circuit is used for data communication, and the Bluetooth circuit is also connected to a Bluetooth wake-up circuit. The utility model adopts a full-network 4G module. When used on site, a suitable Internet of Things card can be selected according to the actual situation of the on-site communication signal to ensure unrestricted communication; the Bluetooth circuit is also connected to a Bluetooth wake-up circuit, which is used to control the opening and closing of the Bluetooth circuit. The Bluetooth circuit can also be awakened by the Bluetooth wake-up circuit on site to conduct short-range wireless network communication through the Bluetooth circuit, or to conduct long-distance data communication through 4G.

[0035] The power supply unit includes a lithium battery, which is connected to the interface operation circuit through a first system power supply, the lithium battery is connected to the interface conversion circuit through a second system power supply, and the lithium battery is connected to the Bluetooth circuit through a Bluetooth power supply to enable the lithium battery to power various components.

[0036] Typically, the lithium battery is a 7.4V rechargeable lithium battery, the first system power supply is a 3.3V power supply, the second system power supply is a 5V power supply, and the Bluetooth power supply is a 3.3V power supply. By arranging these lithium batteries to provide a common power supply, the power supply unit can be quickly replaced to address the high power consumption of the monitoring device, reducing maintenance costs.

[0037] Specifically, the wireless traffic remote monitoring device also includes a crystal oscillator circuit, which is connected to the control unit and is used to provide the clock signal required by the monitoring device for synchronous data transmission and reception and frequency modulation and demodulation for data transmission and communication.

[0038] The wireless traffic remote monitoring device also includes a reset circuit, which is connected to the control unit and can restore the circuit or microcomputer system to an initial state in various situations to ensure correct initialization and stable operation of the system.

[0039] The wireless traffic remote monitoring device also includes a real-time clock circuit, which is connected to the control unit and is used to generate a regular clock signal to control the operation of the device and improve the accuracy and reliability of the device.

[0040] The power supply unit further comprises a button battery, which independently supplies power to the real-time clock circuit to ensure the accuracy and reliability of the device.

[0041] The wireless traffic remote monitoring device also includes a battery voltage detection circuit, which is connected to the control unit to detect the battery voltage value of the power supply unit. When the detected voltage value is lower than the set value, an alarm can be issued to ensure safe and stable power supply to each component.

[0042] It is worth noting that the crystal oscillator circuit, the reset circuit, the liquid crystal circuit, the 4G circuit, the FLASH memory circuit, the FRAM memory circuit, the real-time clock circuit, the battery voltage detection circuit, the Bluetooth circuit, the 485 interface circuit, the two-way digital interface circuit, and the switch interface circuit in the present invention all adopt conventional circuit designs in the prior art to achieve corresponding effects.

[0043] The above description is merely a preferred embodiment of the present invention and is intended to be illustrative rather than restrictive of the present invention. Those skilled in the art will appreciate that many changes, modifications, and even equivalents may be made to the present invention within the spirit and scope of the claims, and all of these changes will fall within the scope of protection of the present invention.

Claims

1. A wireless traffic remote monitoring device, characterized in that: The wireless flow remote monitoring device is connected to the flow meter through a connecting component, and includes a control unit, a power supply unit, a switch interface circuit, a communication unit, a storage unit, an interface conversion circuit, an interface operation circuit, and a liquid crystal circuit. The switch interface circuit, the communication unit, the storage unit, the interface conversion circuit, the interface operation circuit, and the liquid crystal circuit are all connected to the control unit, and the power supply unit is connected to the communication unit, the interface conversion circuit, and the interface operation circuit; The switch quantity interface circuit is used to monitor switch quantity information, the monitored switch quantity is the connection state of the connection component, and the control unit adopts a single chip microcomputer; The communication unit is used to realize data exchange between the control unit and the outside world; the storage unit is used to update data; the liquid crystal circuit is used to display data during testing and debugging; the interface conversion circuit is used to perform decentralized conversion on the signal obtained from the interface end; The interface operation circuit is used to perform arithmetic operations and logical operations on digital signals; and the power supply unit is used to provide power for operation.

2. The wireless traffic remote monitoring device according to claim 1, characterized in that: The storage unit includes a FLASH memory circuit and a FRAM memory. The FRAM memory is used for storing data; the FLASH memory circuit is used for erasing and reprogramming the stored data.

3. The wireless traffic remote monitoring device according to claim 1, characterized in that: The control unit adopts an MSP430 single-chip microcomputer, the interface conversion circuit adopts a 485 interface circuit, and the interface operation circuit adopts a 2-channel digital quantity interface circuit.

4. The wireless traffic remote monitoring device according to claim 1, wherein: The communication unit includes a 4G circuit and a Bluetooth circuit, and both the 4G circuit and the Bluetooth circuit are connected to the control unit; the Bluetooth circuit is also connected to a Bluetooth wake-up circuit, and the Bluetooth wake-up circuit is used to control the opening and closing of the Bluetooth circuit.

5. The wireless traffic remote monitoring device according to claim 4, characterized in that: The power supply unit includes a lithium battery, which is connected to the interface operation circuit through a first system power supply, connected to the interface conversion circuit through a second system power supply, and connected to the Bluetooth circuit through a Bluetooth power supply.

6. The wireless traffic remote monitoring device according to claim 5, characterized in that: The lithium battery is a 7.4V rechargeable lithium battery, the first system power supply is a 3.3V power supply, the second system power supply is a 5V power supply, and the Bluetooth power supply is a 3.3V power supply.

7. The wireless traffic remote monitoring device according to claim 1, characterized in that: The wireless traffic remote monitoring device further includes a crystal oscillator circuit, which is connected to the control unit and is used to provide a clock signal required by the wireless traffic remote monitoring device.

8. The wireless traffic remote monitoring device according to claim 1, wherein: The wireless traffic remote monitoring device further includes a reset circuit, which is connected to the control unit and is used to restore the initial state of the wireless traffic remote monitoring device.

9. The wireless traffic remote monitoring device according to claim 1, wherein: The wireless traffic remote monitoring device further comprises a real-time clock circuit, which is connected to the control unit and is used to generate a periodic clock signal to control the operation of the wireless traffic remote monitoring device.

10. The wireless traffic remote monitoring device according to claim 1, wherein: The wireless traffic remote monitoring device further includes a battery voltage detection circuit, which is connected to the control unit to detect the battery voltage value of the power supply unit.

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