Non-destructive alarm detection device of unrecoverable temperature sensing cable
A non-destructive, detection device technology, applied in the direction of electric fire alarms, etc., can solve the problems of difficult detection process, time-consuming detection operation, low efficiency, etc., to save manpower and material resources, fast and accurate detection Effect
Pending Publication Date: 2022-02-22
SHANGHAI JINYI INSPECTION TECH
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Problems solved by technology
The detection process is very difficult, consumes a lot of manpower and material resources, and the detection operation is time-consuming, inefficient and destructive
Method used
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[0017] Example figure 1 and figure 2 As shown, the non-destructive alarm detection device of the non-recoverable temperature-sensing cable of the present invention includes an insulating base plate 1, a variable resistor 2, a copper core short wire 3 and a copper core wire pin 4, and the insulating base plate 1 is provided with an A terminal at intervals. Through holes, B-end through-holes and C-end through-holes, the copper core wire pins 4 are respectively arranged in the A-end through-holes, B-end through-holes and C-end through-holes, and the copper-core short wiring 3 is connected to the The copper core wire pins 4 of the B-end through hole and the C-end through hole are described, and the two ends of the variable resistor 2 are respectively connected to the copper core wire pins 4 of the A-end through hole and the B-end through hole.
[0018] Preferably, the insulating bottom plate 1 is 24mm long, 10mm wide, and 2mm thick.
[0019] Preferably, the diameters of the A-e...
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The invention discloses a non-destructive alarm detection device of an unrecoverable temperature sensing cable, the device comprises an insulating bottom plate, a variable resistor, a copper core short-circuit wire and copper core lead pins, the insulating bottom plate is provided with an A-end through hole, a B-end through hole and a C-end through hole at intervals, and the copper core lead pins are respectively arranged in the A-end through hole, the B-end through hole and the C-end through hole. The copper core short-circuit wire is connected with the copper core lead pins of the B-end through hole and the C-end through hole. The two ends of the variable resistor are connected with the copper core lead pins of the A-end through hole and the B-end through hole respectively. The device overcomes the defect of alarm temperature detection of a traditional unrecoverable temperature sensing cable, fire alarm temperature testing is rapidly carried out under the condition that the temperature sensing cable is not damaged, the purpose of non-destructive, rapid and accurate detection is achieved, manpower and material resources are saved, and the detection operation efficiency is improved.
Description
technical field [0001] The invention relates to the technical field of fire-fighting equipment, in particular to a non-destructive alarm detection device for a non-recoverable temperature-sensing cable. Background technique [0002] Linear temperature-sensitive fire detectors are widely used in underground tunnels, transformers and other places due to their high sensitivity, strong resistance to mechanical damage, corrosion resistance and wear resistance. Linear temperature-sensing fire detectors generally use recoverable temperature-sensing cables or non-recoverable temperature-sensing cables for laying and connection. Recoverable temperature-sensing cables are easy to maintain and detect, but the cost is high; non-recoverable temperature-sensing cables are difficult to maintain and detect. But the cost is lower. At present, the latest non-recoverable temperature-sensitive cable has three cores, which are composed of three steel core conductors, and are connected to the th...
Claims
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IPC IPC(8): G08B17/06
CPCG08B17/06
Inventor 胡丽芳曹伟夏玉
Owner SHANGHAI JINYI INSPECTION TECH