Camera-shooting meter-reading comparison system

Abstract

The utility model discloses a camera-shooting meter-reading comparison system which comprises an IC (Integrated Circuit) card gas meter, a first metering management and monitoring terminal unit, an image meter reader, a second metering management and monitoring terminal unit and a server, the IC card gas meter is connected with the first metering management and monitoring terminal unit, and the first metering management and monitoring terminal unit is connected with the server; the image meter reading device is used for shooting and collecting the reading of a mechanical character wheel on the IC card gas meter, the image meter reading device is connected with the second metering management and monitoring terminal unit, and the second metering management and monitoring terminal unit is connected with the server. According to the camera-shooting meter-reading comparison system provided by the utility model, the reading of the mechanical character wheel on the IC card gas meter is shot through the image meter reader, the accumulated gas consumption of the IC card gas meter is collected, the two are compared, whether the data of the two are consistent or not is found in time, and user disputes are reduced.

Description

Technical Field

[0001] The utility model relates to a camera meter reading comparison system, belonging to the technical field of gas metering. Background Art

[0002] At present, the IC card gas meter has an automatic charging function. Each household has one meter and one card. The user pays the fee to the gas management department, and the management department writes the purchased gas volume into the IC card through the computer management system. The user inserts the IC card into the IC card gas meter again to obtain the usage right of the purchased gas volume. During the gas usage process of the user, the IC card intelligent meter automatically subtracts the remaining gas volume. After the purchased gas volume is exhausted, the valve will automatically close and cut off the gas supply. The user needs to purchase gas again to make the IC card gas meter supply gas again.

[0003] The IC card gas meter accumulates by collecting the pulses output by the flow meter and outputs the settlement volume of the user. Under the influence of external interference or human interference, the IC card gas meter may undercount or overcount the pulse signals output by the flow meter, resulting in the inconsistency between the cumulative volume of the working condition of the IC card gas meter and the reading of the mechanical word wheel on the gas meter, affecting the settlement volume of the user and causing disputes between the user and the gas company. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a camera meter reading comparison system. By using an image meter reader to photograph the reading of the mechanical word wheel on the IC card gas meter, and at the same time collecting the cumulative gas consumption of the IC card gas meter, comparing the two, and timely finding out whether the data of the two are consistent, so as to reduce user disputes.

[0005] In order to solve the above technical problem, the technical solution of the utility model is as follows:

[0006] A camera meter reading comparison system, which includes an IC card gas meter, a first metering management and monitoring terminal unit, an image meter reader, a second metering management and monitoring terminal unit and a server;

[0007] The IC card gas meter is connected to the first metering management and monitoring terminal unit, and the first metering management and monitoring terminal unit is connected to the server;

[0008] The image meter reader is used to photograph and collect the reading of the mechanical word wheel on the IC card gas meter. The image meter reader is connected to the second metering management and monitoring terminal unit, and the second metering management and monitoring terminal unit is connected to the server.

[0009] Further, the first metering management and monitoring terminal unit includes an IC card meter reading module, a first MCU processing module, and a first Internet of Things module. The input end of the IC card meter reading module is connected to the IC card gas meter, the output end of the IC card meter reading module is connected to the first MCU processing module, the first MCU processing module is connected to the first Internet of Things module, and the first Internet of Things module communicates wirelessly with the server.

[0010] Further, the second metering management and monitoring terminal unit includes a meter reading device reading module, a second MCU processing module, and a second Internet of Things module. The input end of the meter reading device reading module is connected to the image meter reading device, the output end of the meter reading device reading module is connected to the second MCU processing module, the second MCU processing module is connected to the second Internet of Things module, and the second Internet of Things module communicates wirelessly with the server.

[0011] Further, the image meter reading device includes a camera module, a fill light module, a third MCU module, and a communication upload module. The camera module and the fill light module are both connected to the third MCU module. The camera module is used to capture the reading of the mechanical dial on the IC card gas meter, and the third MCU module is connected to the communication upload module.

[0012] Further, the IC card meter reading module, the meter reading device reading module, and the communication upload module all adopt RS485 communication modules.

[0013] Further, the first Internet of Things module and the second Internet of Things module both adopt 4G wireless communication modules.

[0014] With the above technical solution, the utility model collects the cumulative gas working volume of the IC card gas meter through the first metering management and monitoring terminal unit, and uploads the cumulative gas working volume data of the IC card gas meter to the server. At the same time, the image meter reading device captures the reading of the mechanical dial on the IC card gas meter, and uploads the reading of the mechanical dial to the server through the second metering management and monitoring terminal unit. By comparing with the reading of the mechanical dial captured by the image meter reading device as a reference, it is possible to timely detect whether the data of the two is consistent, obtain the true and accurate gas settlement volume, and reduce user disputes. Description of the Drawings

[0015] Figure 1 is the principle block diagram of a camera meter reading and comparison system of the utility model;

[0016] Figure 2 is the principle block diagram of the first metering management and monitoring terminal unit of the utility model;

[0017] Figure 3 is the principle block diagram of the second metering management and monitoring terminal unit of the utility model;

[0018] Figure 4 This is the principle block diagram of the image meter reading device of the present utility model;

[0019] Figure 5 This is the circuit schematic diagram of the third MCU module of the image meter reading device of the present utility model;

[0020] Figure 6 This is the circuit schematic diagram of the camera module of the image meter reading device of the present utility model;

[0021] Figure 7 This is the circuit schematic diagram of the fill light module of the image meter reading device of the present utility model;

[0022] Figure 8 This is the circuit schematic diagram of the communication upload module of the image meter reading device of the present utility model;

[0023] Figure 9 This is the circuit schematic diagram of the power supply module of the image meter reading device of the present utility model. Detailed implementation manners

[0024] In order to make the content of the present utility model easier to be clearly understood, the following further detailed description of the present utility model is given according to specific embodiments in conjunction with the accompanying drawings.

[0025] As Figure 1 shown, this embodiment provides a camera meter reading comparison system, which includes an IC card gas meter, a first metering management and monitoring terminal unit, an image meter reading device, a second metering management and monitoring terminal unit, and a server.

[0026] The IC card gas meter is connected to the first metering management and monitoring terminal unit, and the first metering management and monitoring terminal unit is connected to the server. The cumulative gas working volume of the IC card gas meter is collected through the first metering management and monitoring terminal unit, and the cumulative gas working volume data of the IC card gas meter is uploaded to the server.

[0027] The image meter reading device is used to photograph and collect the readings of the mechanical dials on the IC card gas meter. The image meter reading device is connected to the second metering management and monitoring terminal unit, and the second metering management and monitoring terminal unit is connected to the server. The image meter reading device is installed on the IC card gas meter, photographs the readings of the mechanical dials on the IC card gas meter, and uploads the photographed readings of the mechanical dials to the second metering management and monitoring terminal unit, and then the second metering management and monitoring terminal unit uploads the readings of the mechanical dials to the server.

[0028] For the gas consumption data from two sources, the readings of the mechanical dials photographed by the image meter reading device are used as a benchmark for comparison to timely detect whether the data is consistent.

[0029] AsFigure 2 As shown in the figure, the first metering management and monitoring terminal unit of this embodiment includes an IC card meter reading module, a first MCU processing module, and a first Internet of Things module. The input end of the IC card meter reading module is connected to the IC card gas meter, the output end of the IC card meter reading module is connected to the first MCU processing module, the first MCU processing module is connected to the first Internet of Things module, and the first Internet of Things module communicates wirelessly with the server. The IC card meter reading module of this embodiment is an RS485 communication module, and the first Internet of Things module uses a 4G wireless communication module. The IC card meter reading module conducts 485 communication with the IC card gas meter. The first MCU processing module collects the cumulative gas condition volume data of the IC card gas meter and sends the cumulative gas condition volume data of the IC card gas meter to the server through 4G communication using the first Internet of Things module.

[0030] As Figure 3 shown in the figure, the second metering management and monitoring terminal unit of this embodiment includes a meter reading device reading module, a second MCU processing module, and a second Internet of Things module. The input end of the meter reading device reading module is connected to the image meter reading device, the output end of the meter reading device reading module is connected to the second MCU processing module, the second MCU processing module is connected to the second Internet of Things module, and the second Internet of Things module communicates wirelessly with the server. The meter reading device reading module of this embodiment is an RS485 communication module, and the second Internet of Things module uses a 4G wireless communication module. The meter reading device reading module conducts 485 communication with the image meter reading device. The second MCU processing module collects the reading of the mechanical word wheel on the IC card gas meter photographed by the image meter reading device and sends the reading of the mechanical word wheel to the server through 4G communication using the second Internet of Things module.

[0031] As Figure 4 shown in the figure, the image meter reading device of this embodiment includes a camera module, a fill light module, a third MCU module, and a communication upload module. The camera module and the fill light module are both connected to the third MCU module. The camera module is used to photograph the reading of the mechanical word wheel on the IC card gas meter. The third MCU module is connected to the communication upload module, and the communication upload module uses an RS485 communication module.

[0032] As Figure 5 shown in the figure, the third MCU module of the image meter reading device of this embodiment uses an MCU chip U1, and the model of the MCU chip U1 is GD32F425RGT6.

[0033] As Figure 4 and 5As shown in Figures 6, the camera module OV1 of the image meter reading device in this embodiment is connected to the I / O port of the MCU chip U1. The model of the camera module OV1 is OV2640. The camera module OV1 is installed facing the gas metering instrument. The camera module OV1 is used to capture the reading of the mechanical dial on the IC card gas meter and send the captured picture to the MCU chip U1.

[0034] As Figure 4 , 5 , 7, the fill light module of the image meter reading device in this embodiment is connected to the I / O port of the MCU chip U1. There are two fill light modules. The fill light modules L1 and L2 are respectively located on the left and right sides of the camera module OV1 to provide fill light for the shooting of the camera module OV1, ensuring that the camera module OV1 is not affected by daylighting and can clearly capture images.

[0035] As Figure 4 , 5 , 8, the communication module of the image meter reading device in this embodiment is connected to the I / O port of the MCU chip U1. The communication module uses an RS485 communication module. The model of the RS485 communication chip U2 is SN65HVD75DR, which is used to communicate with the second metering management and monitoring terminal unit and transmit the image data of the reading of the mechanical dial on the IC card gas meter collected to the second metering management and monitoring terminal unit.

[0036] As Figure 4 , 9 shown, the image meter reading device in this embodiment further includes a power supply module, and the power supply module is used to supply power to each module of the system. As Figure 1 shown, the system uses an external power supply of DC 5 - 9V, and the power conversion chip U5 steps down to 3.3V to supply power to each module of the image meter reading device.

[0037] In the above - mentioned specific embodiments, the technical problems solved, technical solutions, and beneficial effects of the present utility model are further described in detail. It should be understood that the above - mentioned are only specific embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A camera meter reading comparison system, characterized in that: It includes an IC card gas meter, a first metering management and monitoring terminal unit, an image meter reader, a second metering management and monitoring terminal unit, and a server; The IC card gas meter is connected to the first metering management and monitoring terminal unit, and the first metering management and monitoring terminal unit is connected to the server; The image meter reader is used to capture the reading of the mechanical dial on the IC card gas meter. The image meter reader is connected to the second metering management and monitoring terminal unit, and the second metering management and monitoring terminal unit is connected to the server.

2. The camera meter reading comparison system according to claim 1, wherein: The first metering management and monitoring terminal unit includes an IC card meter reading module, a first MCU processing module, and a first Internet of Things module. The input end of the IC card meter reading module is connected to the IC card gas meter, the output end of the IC card meter reading module is connected to the first MCU processing module, the first MCU processing module is connected to the first Internet of Things module, and the first Internet of Things module communicates wirelessly with the server.

3. The camera reading and comparison system according to claim 2, characterized in that: The second metering management and monitoring terminal unit includes a meter reader reading module, a second MCU processing module, and a second Internet of Things module. The input end of the meter reader reading module is connected to the image meter reader, the output end of the meter reader reading module is connected to the second MCU processing module, the second MCU processing module is connected to the second Internet of Things module, and the second Internet of Things module communicates wirelessly with the server.

4. The camera-based meter reading and comparison system according to claim 3, wherein: The image meter reader includes a camera module, a fill light module, a third MCU module, and a communication upload module. The camera module and the fill light module are both connected to the third MCU module. The camera module is used to capture the reading of the mechanical dial on the IC card gas meter, and the third MCU module is connected to the communication upload module.

5. The camera meter reading comparison system according to claim 3, wherein: The IC card meter reading module, the meter reader reading module, and the communication upload module all adopt RS485 communication modules.

6. The camera meter reading comparison system according to claim 3, wherein: The first Internet of Things module and the second Internet of Things module both adopt 4G wireless communication modules.

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