Wireless large-watermeter reading system in short message mode
A wireless meter reading and water meter technology, applied in signal transmission systems, instruments, etc., to achieve the effect of convenient query
Inactive Publication Date: 2011-05-11
SUNTRONT TECH
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Problems solved by technology
[0003]The purpose of this invention is to overcome the existing technical problems such as unreliable communication, short service life, inability to upload user usage in real time and record curve data of user usage information, etc. , providing a short message meter reading method capable of real-time monitoring, automatic recording of user usage curve data, real-time viewing of user water consumption and regular automatic upload of user information. A large water meter wireless meter reading system
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Embodiment Construction
[0016] A wireless meter reading system for large water meters in the form of short messages is composed of a data center, a wireless meter reading terminal for large water meters (hereinafter referred to as a terminal), and a wireless large water meter.
[0017] The wireless large water meter includes the base meter part, flow collection and wireless communication part. There are two dry reed switches inside the water meter, one is used for sampling and measuring the positive water consumption; the other is used for anti-magnetic attack. The module is usually in the battery wake-up state, and the microcontroller wakes up once every two seconds. After waking up, the module has a 560uS carrier detection state. If the carrier signal is detected, the next 40mS is in the signal receiving state; if the carrier signal is not detected, the module continues to enter the sleep state. . The module retrieves data every 15 minutes and saves the 15-minute incremental value. A total of 96 p...
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The invention discloses a wireless large-watermeter reading system in a short message mode capable of monitoring the water utilization condition of a large-diameter watermeter in real time. The wireless large-watermeter reading system consists of a data center, a wireless large-watermeter reading terminal, and a wireless large watermeter, wherein the data center exchanges data with the reading terminal through short messages; the downlink of the terminal is communicated with the wireless large watermeter through a Xintian transparent module so as to acquire data information of the wireless large watermeter; the terminal acquires the data information of the large watermeter regularly and uploads the data information to the data center in a short mess age service (SMS) mode; the wireless large watermeter comprises a base meter part and a flow acquisition and wireless communication part; the flow acquisition and wireless communication function is completed by a watermeter module researched and developed by the company; and the wireless large-watermeter reading terminal is a terminal based on a mobile GSM (global system for mobile communications) short message platform and an embedded SIM (subscriber identity module)300C industrial communication module, and is communicated with the data center through the short messages.
Description
(1) Technical field [0001] The invention relates to the field of flow measurement, in particular to a wireless meter reading system for large water meters in the form of short messages. (two), background technology [0002] As the only measuring instrument for water supply companies and users to settle accounts, water meters play an extremely important role in the water supply system, especially the management of large-caliber water meters. It is a difficult point that plagues water supply companies. Large-caliber water meters are generally used in large industrial or commercial water users. These water meters often have 1. Large consumption and fast flow rate; 2. High water price; 3. The working environment of the water meter is harsh and the load is large; 4. Once the water meter fails, the loss is huge; 5. The water meter is installed in the pipe well, it is difficult to read the meter, and the failure of the water meter cannot be monitored. Real-time monitoring of the ...
Claims
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IPC IPC(8): G08C17/02
Inventor 费战波袁金龙焦晓军
Owner SUNTRONT TECH