Data communication equipment

A communicator and data technology, applied in the direction of instruments, alarms, fire alarms, etc., can solve the problems of complex structure and high production cost of data communicators, and achieve the effect of saving system costs and free equipment installation.

Inactive Publication Date: 2008-08-13
SHANGHAI BOOM FIBER SENSING TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0009] The object of the present invention is to provide a data communicator, which can overcome the disadvantages and deficiencies of the existing fire alarm system, such as the complex structure and high production cost of the data communicator

Method used

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Embodiment Construction

[0015] The present invention will be further described below with reference to the accompanying drawings.

[0016] The present invention mainly includes a power supply circuit 1, which is characterized in that: the power supply circuit 1 is respectively connected to the central processing unit 2, the RS232 interface chip 3, the RS485 interface chip 4, and the memory 5, and the central processing unit 2 is respectively connected to the RS232 interface chip 3 and the RS485 The interface chip 4 and the memory 5 are connected.

[0017] The data communicator of the present invention comprises a central processing unit, an RS232 interface chip, an RS485 interface chip, a data memory and a power supply.

[0018] Described central processing unit adopts the LPC2000 series ARM embedded microprocessor of Philips Company;

[0019] Described RS232 interface chip adopts the MAX232 chip of Maxiim Company;

[0020] Described RS485 interface chip adopts the MAX485 chip of Maxiim Company;

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Abstract

The present invention discloses a data communicator, which has characters in that: said electrical power circuit links with a center processor, a RS232 interface chip, a RS485 interface chip, a memorizer linkage respectively. The center processor links with a PS482 interface chip, a RS485 interface chip, a memorizer linkage respectively. The data communicator has advantages and active effects as follows compared with a prior linkage method: 1. Alarm in time. The communicator reads fiber fire detecting data ceaselessly, and the data detected fire alarm is transmitted to the fire alarm host in time. 2. The communicator can read all fiber fire detector data, and saves input modules and spaces. 3. The communicator can substitute all input modules and relays, and saves system cost. 4. The data communication method among the communicator, the fiber fire detector and the fire alarm host can transmit long distance, so the equipment installation is freely.

Description

technical field [0001] The invention relates to the technical field of fire early warning equipment, in particular to a data communicator used between an optical fiber fire detector and a fire alarm host, and in particular to its internal connection structure. Background technique [0002] The fire alarm system is mainly used in transportation, construction, electric power, coal mine, petrochemical and other industries, and its function is to carry out real-time fire monitoring on these important places. It can detect early fires and automatically start fire extinguishing devices, which play an important role in ensuring the safety of life and property. [0003] The current fire alarm system is mainly composed of a fire alarm host, conventional fire detectors and optical fiber fire detectors. In the existing fire alarm system, the optical fiber fire detector and the fire alarm host are connected through a relay plus an input module, that is to say, the optical fiber fire de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B17/00G08B25/01G08C23/06
Inventor 周正仙
Owner SHANGHAI BOOM FIBER SENSING TECH
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