Network system of temperature sensor

A temperature sensor and network system technology, applied in the field of sensors, can solve the problems of inconvenient topology expansion of optical fiber temperature sensing alarm cable, high investment cost of alarm system, difficult installation and debugging, etc., and achieve convenient connection of topology expansion and anti-electromagnetic interference ability Strong, wide range of protection

Inactive Publication Date: 2010-08-04
成都森盛智能科技有限公司
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Problems solved by technology

The system has strong anti-interference ability, high reliability, repeatable alarm detection, convenient maintenance, connection and monitoring of temperature changes, which is more intuitive, but the system principle is complicated, the products, especially domestic produ

Method used

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  • Network system of temperature sensor
  • Network system of temperature sensor
  • Network system of temperature sensor

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Embodiment Construction

[0025] refer to figure 1 and figure 2 , connect the ground wire 1, power wire 2 and data wire 3 to the corresponding pins of several chip temperature sensors 4, and insulate the connection points; connect the ground wire 1, power wire 2, data wire 3 to the chip temperature sensor The temperature sensor 4 is bonded together, the outer surface is wrapped with a tetrafluoroethylene layer 5, the inner wrapping layer 5 is wrapped with a metal mesh shielding layer 6, and the metal mesh shielding layer 6 is extruded with a fluoroplastic resistor. The outer sheath layer 7 is burned to form a sensor network-based temperature sensing monitoring and alarm cable. It realizes simple process, low cost, does not involve the coating of materials such as metal alloy, oxide semiconductive layer and heat-sensitive alloy, enhances mechanical strength and anti-electromagnetic interference ability, improves product quality stability, and has a more beautiful appearance and waterproof Good perfor...

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Abstract

The invention relates to a network system of a temperature sensor, comprising a temperature sensing cable and a temperature monitoring alarm controller connected with the temperature sensing cable, wherein a center layer of the temperature sensing cable comprises an earthing lead, a power supply lead, a data line and at least one chip temperature sensor; and the center layer is sequentially wound with a tetrafluoroethylene band, a metal net shielding layer and an extrusion molding fluoroplastic flame retardant outer sheath layer in sequence from inside to outside. The cable can be expanded in a linear shape, a tree shape, a star shape and mesh topology by an adapter. The network system has the characteristics of large protecting range, simple and reasonable structure, low cost, easy production and manufacture, convenient use, high temperature sensing sensitivity, multi-stage temperature alarm, accurate place location, no need of maintenance, repeated use, strong anti-electromagnetic interference capability, less influence of ambient temperature, expandability at any stage at will and the like. The network system has wide applicability, and is especially applicable to temperature monitoring and accident early warning in the severe environment such as dust, a subway, a tunnel, a cable channel and the like, the industrial places such as petroleum, petrochemical industry, a grain depot, a steel mill and the like, and the flammable and explosive dangerous places.

Description

technical field [0001] The invention belongs to the field of sensors, in particular to a temperature sensor network system. Background technique [0002] The linear temperature detector uses a temperature-sensing cable as a temperature detection element, which can complete temperature rise positioning and alarm in harsh environments such as pollution, dust, humidity and corrosion, so it is suitable for metallurgical enterprises, railways, tunnels, underground mines, It is widely used in chemical enterprises, large warehouses and substations. The linear detectors currently used are mainly divided into resistance-type cable-type temperature-sensing alarm cables and optical fiber-type temperature-sensing alarm cables. The resistance type temperature alarm cable part uses two elastic steel wires. Under normal circumstances, the two steel wires are insulated. Sound the alarm. This kind of detector has poor anti-interference ability and poor reliability. The alarm part needs to...

Claims

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Application Information

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IPC IPC(8): G08B21/18G01K1/02H01B7/00H01B7/29H01B5/12H01B3/44H01B3/30
Inventor 董政黄逸平黄大贵张列平王运李志贵
Owner 成都森盛智能科技有限公司
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