Intelligent control gateway for building

Abstract

The invention discloses an intelligent control gateway for a building. The intelligent control gateway comprises a display module, a control module, an input and output module, a protocol conversion module, a data processing module, a power module, a heat dissipation module, a network communication module and an inspection module. The gateway employs the modularized customization, and two ARM7 processors are configured to achieve real-time data receiving, control command transmission and the fault automatic switching of a main processor; the gateway is provided with a lithium battery and can work for 8 hours under the condition of power failure; the gateway can adjust the data transmission rate of the specified point location according to the point location polling frequency requirement; aplurality of building intelligent control gateways in the same local area network can allocate network bandwidths according to the number of point locations and polling frequency requirements, so intelligent cooperative work is realized; the gateway supports the digital quantity and analog quantity input and output and RS-232, RS-485 and CAN bus communication; data can be transmitted in wirelessand wired manners, a management computer and a mobile terminal can perform the flexible checking, and the gateway is widely applied to intelligent engineering of buildings.

Description

technical field [0001] The invention discloses a building intelligent control gateway, which belongs to the field of intelligent buildings. Background technique [0002] China's intelligent building industry has experienced a long development process from scratch, from small to large, from complete dependence on imports to independent research and development of products and even overseas sales. The intelligent building industry has undergone earth-shaking changes. Compared with European and American countries, the popularity of building intelligence in my country is still relatively low, and there is a broad market for development. In the future, with the accelerated pace of modernization in my country and the gradual advancement of the construction industry, it will greatly drive the vigorous development of building intelligence. [0003] For multi-storey buildings or high-rise buildings, the existing building intelligent control system needs to select control boxes of di...

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Problems solved by technology

[0003] For multi-storey buildings or high-rise buildings, the existing building intelligent control system needs to select control boxes of different specifications according to the number of connected devices, data lines, and control lines, which are equipped with air switches, switching power supplies, network controllers, direct digital Controllers, magnetic latching relays, serial port modules, and terminal blocks not only require a large amount of wiring work, but also require a large space for the control box and poor customization; the equipment in the control box is tightly installed, the instantaneous current is large, and the diameter of the cable Or insufficient flame retardant performance, which may cause the temperature of the equipment to be too high, and may even cause serious accidents such as short circuit or fire; the communication protocols used by intelligent equipment are not the same, and the building intelligent control system needs to be frequently designed, which is cumbersome, and the compatibility of existing equipment Insufficient; most control boxes are not equipped with LCD display screens, and cannot query point status parameters; most building intelligent control gateways rely on wired network communication and are equipped with a single processor. Once the network is interrupted or the processor fails, the system will be paralyzed; building intelligence When the control gateway is working, the data transmission rate of each input and output interface cannot be collected, and polling at different frequencies cannot be realized; when multiple building intelligent control gateways are connected to the same LAN and work at the same time, the processor cannot Frequency requirements intelligently allocate network bandwidth, and some building intelligent control gateways are prone to slow data transmission rates; at present, building intelligent control systems basically do not consider the realization of inspection requirements

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