Wireless meter reading system
A wireless meter reading and wireless energy meter technology, applied in wireless communication, signal transmission systems, instruments, etc., can solve problems such as shortening the transmission distance by obstacles, affecting the normal data transmission grid operation safety, and affecting the transmission distance of the wireless meter reading system. , to achieve the effect of ensuring safe operation
Active Publication Date: 2013-09-25
SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
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Problems solved by technology
[0004] The disadvantage of the wireless meter reading system is that the data transmission and reception of the wireless meter reading system is open, and other devices can receive it within the radio frequency range. Hackers can easily tamper with the power consumption data, which affects the normal transmission of data and the power grid. The operation is safe, and the transmission distance of the wireless meter reading system is greatly affected by obstacles, which will seriously shorten the transmission distance
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[0016] see figure 1 , in order to better understand the technical solution of the present invention, the following will be described in detail through specific embodiments and in conjunction with the accompanying drawings:
[0017] see figure 1 , A wireless meter reading system of the present invention is a wireless meter reading system based on a wireless sensor network. The wireless meter reading system includes several wireless energy meters 1 and a concentrator 3; the concentrator 3 is connected to each of the wireless energy meters 1 through a wireless network. Wherein the wireless energy meter is provided with a first sensor, a first wireless communication module, a first single-chip microcomputer and a first power supply module, and the first wireless communication module includes a first modem. The concentrator 3 is provided with a second sensor, a second wireless communication module, a second single-chip microcomputer and a second power supply module, and the secon...
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The invention discloses a wireless meter reading system used in the field of intelligent power grids. The wireless meter reading system comprises a plurality of wireless electric energy meters and a concentrator, wherein the concentrator is connected with the wireless electric energy meters through a wireless network, each wireless electric energy meter comprises a first wireless communication module and a first sensor, the first wireless communication module comprises a first modulator-demodulator; and the concentrator comprises a second wireless communication module and a second sensor, the second wireless communication module comprises a second modulator-demodulator, a first encryption / decryption module is arranged on each wireless electric energy meter, and a second encryption / decryption module is arranged on the concentrator. The wireless meter reading system has the beneficial effects that radio frequency signals of power utilization information or acquired commands are encrypted, thus the power utilization or the acquired commands are prevented from being intercepted by an illegal user intruding into a wireless network, thus ensuring that the electric energy meters are safely and accurately read.
Description
technical field [0001] The invention relates to a wireless meter reading system used in the field of smart grids. Background technique [0002] The meter reading system is a system in which the smart grid transcribes the data on the user-side electric meter and feeds the data back to the power supply department. Whether the meter reading system can accurately and timely transcribe these data and feed them back to the power supply department has a crucial impact on the safe operation of the entire power grid. Therefore, the meter reading system is an indispensable key component in the entire smart grid. The wireless meter reading system is a kind of meter reading system popularized and used at present. It uses the wireless sensor network WSN (Wireless Sensor Networks) for data transmission. The wireless sensor network is a general term for a series of micro-power communication technologies. Under the premise of low power consumption and low cost, it solves the problem of me...
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IPC IPC(8): G08C17/02H04W12/02
Inventor 王晋戴璐平
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO