2results about How to "Good connectivity" patented technology

The application relates to a novel cable accessory connecting structure, which belongs to the technical field of cable systems and is used for connecting between a cable metal sheath and a cable accessory metal shell. A coaxial sleeve is arranged on the cable metal sheath, and the coaxial sleeve comprises an electrical connecting part and a waterproof part. The electrical connecting part is used for providing an electrical connecting channel between the cable metal sheath and the cable accessory metal shell, and the waterproof part is used for guaranteeing the waterproof performance between the cable outer sheath and the cable accessory metal shell. The electrical connecting part comprises a conductive layer and a spiral supporting belt arranged in the conductive layer. The electrical connecting part is spirally wound on the exposed cable metal sheath. Under the action of the spiral supporting belt pressure, the conductive layer is kept in abutting contact with the outer wall of the cable metal sheath and the inner wall of the cable accessory metal shell. The application has the effect of reducing the influence of external factors on the electrical continuity and waterproof performance between the cable metal sheath and the cable accessory metal shell.

The utility model provides a building electrical engineering installation alarm device, which belongs to the technical field of building fire alarm and comprises a smoke alarm, a fixing sleeve is movably clamped on the outer surface of the smoke alarm, and a liquefied gas alarm is fixedly connected on the circumferential surface of the fixing sleeve. The top end of the liquefied gas alarm is fixedly connected with a connecting plate; the liquefied gas alarm is arranged and has the capacity of accurately detecting liquefied gas leakage, when it is detected that the liquefied gas concentration exceeds the safety range, an alarm can be given immediately, serious safety accidents such as explosion and poisoning caused by liquefied gas leakage are effectively prevented, the liquefied gas alarm is matched with the smoke alarm, and the safety of the electrical environment of a building is comprehensively improved; and the life and property safety of residents and surrounding areas in the building is guaranteed, which benefits from the arrangement of the liquefied gas alarm and the accurate detection function of the liquefied gas alarm, and the problems existing in the traditional liquefied gas leakage detection alarm equipment are solved.