{"id":2945,"date":"2018-11-10T19:05:43","date_gmt":"2018-11-10T17:05:43","guid":{"rendered":"http:\/\/www.inst-sim.com\/1\/?p=2945"},"modified":"2023-04-18T16:14:32","modified_gmt":"2023-04-18T14:14:32","slug":"linear-heat-detector","status":"publish","type":"post","link":"https:\/\/www.inst-sim.com\/1\/fg\/linear-heat-detector\/","title":{"rendered":"\u0627\u0644\u0643\u0627\u0634\u0641 \u0627\u0644\u062e\u0637\u064a \u0644\u0644\u062d\u0631\u0627\u0631\u0629 Linear Heat Detector"},"content":{"rendered":"

<\/h2>\n

What is Linear Heat Detection?<\/span><\/h2>\n

Linear Heat Detection (LHD) is a line-type form of fixed temperature heat detection used in common commercial and industrial environments. This linear cable can detect a fire anywhere along its entire length and is available in multiple temperatures. [Source<\/a>]<\/p>\n

*<\/p>\n

\"\"<\/p>\n

\u0646\u0645\u0648\u0630\u062c \u0644\u0645\u0646\u0638\u0648\u0645\u0629\u00a0\u0627\u0644\u0643\u0627\u0634\u0641 \u0627\u0644\u062e\u0637\u064a \u0644\u0644\u062d\u0631\u0627\u0631\u0629 Linear Heat Detector<\/span><\/p>\n

.<\/p>\n

\u0645\u0627 \u0647\u0648 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062e\u0637\u064a Linear Heat Detector\u00a0\u061f<\/span><\/h2>\n

\u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062e\u0637\u064a LHD<\/span> \u0647\u0648 \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u0643\u0627\u0634\u0641 \u062d\u0631\u0627\u0631\u0629 \u062b\u0627\u0628\u062a\u0629 \u0639\u0644\u064a \u0634\u0643\u0644 \u0633\u0644\u0643 \u0648\u064a\u0633\u062a\u062e\u062f\u0645 \u0641\u064a \u0627\u0644\u0623\u0645\u0627\u0643\u0646 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 .\u00a0\u064a\u0645\u0643\u0646 \u0644\u0647\u0630\u0627 \u0627\u0644\u0643\u0627\u0628\u0644 \u0627\u0644\u062e\u0637\u064a Linear Cable<\/span>\u00a0\u0627\u0644\u0643\u0634\u0641 \u0639\u0646 \u062d\u062f\u0648\u062b \u062d\u0631\u064a\u0642 \u0641\u064a \u0623\u064a \u0645\u0643\u0627\u0646 \u0639\u0644\u064a \u0637\u0648\u0644 \u0627\u0644\u0643\u0627\u0628\u0644 \u0648 \u0647\u0630\u0627 \u0627\u0644\u0643\u0627\u0634\u0641 \u0645\u062a\u0648\u0641\u0631 \u0628\u0642\u064a\u0645 \u0645\u062e\u062a\u0644\u0641\u0629 \u0644\u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 .<\/p>\n

\"\"<\/p>\n

.<\/p>\n

\u0647\u0630\u0627 \u0627\u0644\u0646\u0648\u0639 \u064a\u0648\u0641\u0631 \u0633\u0647\u0648\u0644\u0629 \u0641\u064a \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0648\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0648\u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u060c \u0648\u064a\u0645\u0643\u0646 \u062a\u0631\u0643\u064a\u0628\u0647 \u0628\u0637\u0648\u0644 \u064a\u0635\u0644 \u0625\u0644\u064a 3000 \u0645\u062a\u0631\/\u0645\u0646\u0637\u0642\u0629 \u060c \u0648\u064a\u0645\u0643\u0646 \u062a\u0631\u0643\u064a\u0628\u0647 \u0641\u064a \u0644\u0648\u062d\u0629 \u062d\u0631\u064a\u0642 \u062a\u0642\u0644\u064a\u062f\u064a\u0629 Conventional<\/span>\u00a0\u0623\u0648 \u0645\u0639\u0646\u0648\u0646\u0629 Addressable<\/span>\u00a0.<\/p>\n

.<\/p>\n

The cable is an easy to design, install, operate and maintain Linear Heat Detection cable. Up to 10,000 feet (3,000m) of this cable can be used on every zone of any approved conventional panel or contact monitor module of any approved addressable panel.<\/p>\n

*<\/p>\n

\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0643\u0627\u0628\u0644 Components\u00a0<\/span><\/h2>\n

\u0627\u0644\u0633\u0644\u0643 \u0627\u0644\u062f\u0627\u062e\u0644\u064a \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u0645\u0648\u0635\u0644 \u0645\u0632\u062f\u0648\u062c \u0645\u062c\u062f\u0648\u0644 \u0648\u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u064a\u0629 \u0648\u0627\u0644\u0645\u0648\u0635\u0644 \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0645\u0639\u062f\u0646 Tri-metallic Conductor<\/span>\u00a0\u0648\u0645\u063a\u0637\u064a \u0628\u0628\u0648\u0644\u064a\u0645\u0631\u0627\u062a \u062d\u0631\u0627\u0631\u064a\u0629 \u062d\u062f\u064a\u062b\u0629 \u0645\u0635\u0645\u0645\u0629 \u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0627 \u0644\u062a\u0630\u0648\u0628\u00a0\u0639\u0646\u062f \u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u062b\u0627\u0628\u062a\u0629 \u0645\u062d\u062f\u062f\u0629 \u0645\u0645\u0627 \u064a\u0633\u0645\u062d \u0644\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0645\u062c\u062f\u0648\u0644\u0629 \u0628\u0627\u0644\u062a\u0644\u0627\u0645\u0633 \u0648\u0628\u062f\u0621 \u0625\u0646\u0630\u0627\u0631 \u0627\u0644\u062d\u0631\u064a\u0642 .<\/p>\n

\u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0633\u0644\u0643 \u0635\u0644\u0628 \u0643\u062f\u0644\u064a\u0644 Guide Wire<\/span>\u00a0\u064a\u0639\u0644\u0642 \u0639\u0644\u064a\u0647 \u0643\u0627\u0628\u0644 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0645\u0645\u0627 \u064a\u062a\u064a\u062d \u0625\u0645\u0643\u0627\u0646\u064a\u0629 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0645\u0633\u0627\u0641\u0629 \u0628\u064a\u0646 \u0646\u0642\u0627\u0637 \u062a\u0639\u0644\u064a\u0642 \u0627\u0644\u0643\u0627\u0628\u0644 .<\/p>\n

\u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0648\u062d\u062f\u0629 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0648\u0642\u0639 Distance Locating Module<\/span>\u00a0\u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0648\u0642\u0639 \u0627\u0644\u062f\u0642\u064a\u0642 \u0644\u0645\u0643\u0627\u0646 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0628\u0648\u062d\u062f\u0629 \u0627\u0644\u0642\u062f\u0645 Feet<\/span>\u00a0\u0623\u0648 \u0628\u0627\u0644\u0645\u062a\u0631 Meter<\/span>\u00a0.<\/p>\n

.<\/p>\n

At the core of is a twisted pair of extremely low resistance, tri-metallic conductors, sheathed in new advanced thermal polymers. These polymers are chemically engineered to break down at specific fixed temperatures allowing the twisted conductors to make contact and initiate an alarm.<\/p>\n

Guide wire : Support Wire Attached to the LHD cable to Long Spans.<\/p>\n

Distance locating module can be used to identify and display the exact location of the overheating condition in feet or meters.<\/p>\n

\"\"<\/p>\n

.<\/p>\n

\u0641\u064a \u0646\u0647\u0627\u064a\u0629 \u0643\u0627\u0628\u0644 \u0643\u0627\u0634\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 LHD<\/span>\u00a0\u064a\u0645\u0643\u0646 \u062a\u0631\u0643\u064a\u0628 \u0635\u0646\u062f\u0648\u0642 \u0627\u062e\u062a\u0628\u0627\u0631 Test Box<\/span>\u00a0\u0644\u0644\u062f\u0627\u0626\u0631\u0629 \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u064a \u0645\u0641\u062a\u0627\u062d \u0627\u062e\u062a\u0628\u0627\u0631 Test Button<\/span>\u00a0\u0645\u062a\u0635\u0644 \u0628\u0646\u0647\u0627\u064a\u0629 \u0627\u0644\u0643\u0627\u0628\u0644 \u0648\u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647 \u0641\u064a \u0645\u0631\u062d\u0644\u0629 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0628\u062f\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 Commissioning<\/span>\u00a0\u0623\u0648 \u0639\u0646\u062f \u0641\u062d\u0635 \u0648\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0646\u0638\u0648\u0645\u0629 \u060c \u0644\u0630\u0627 \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0635\u0646\u062f\u0648\u0642 \u0627\u0644\u0625\u062e\u062a\u0628\u0627\u0631 Test Box<\/span>\u00a0\u0628\u0635\u0646\u062f\u0648\u0642 \u0645\u0642\u0627\u0648\u0645\u0629 \u0646\u0647\u0627\u064a\u0629 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 ELR Box<\/span>\u00a0.<\/p>\n

.<\/p>\n

Test Box with test button, Screw Terminal and Backplate. Test Switches are placed at the end of a LHD run and are used for commissioning, system inspections, and testing of the system. Use at the end of an LHD system instead of ELR box.<\/p>\n

.<\/p>\n

\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a Appilcations\u00a0<\/span><\/h2>\n

\u0641\u064a\u0645\u0627 \u064a\u0644\u064a \u0628\u0639\u0636 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0644\u064a \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644 \u0644\u0627 \u0627\u0644\u062d\u0635\u0631 .<\/p>\n

 <\/p>\n\n\t\t