40results about How to "Follow-up maintenance is simple" patented technology

The invention discloses an on-line monitoring system and a method for SF6 decomposition gas components in electrical equipment. The system and the method adopt photoacoustic spectrometry to overcome the problem of application of on-line monitoring of a plurality of SF6 gas decomposition components in the electrical equipment, and achieve on-line monitoring for a plurality of SF6 decomposition gas components during electrical equipment failure. The system and the method have characteristics of capability of simultaneously monitoring the plurality of decomposition gas components, high anti-interference capability, high detection accuracy, high precision, simple subsequence maintenance, and the like.

The invention discloses an all-directional adjustable back-flap hinge, and relates to a door accessory. An existing back-flap hinge in the market cannot achieve all-directional adjustment or is complex in structure and difficult in adjustment. The all-directional adjustable back-flap hinge comprises a hinge body, and the hinge body comprises a door-leaf connecting sheet and a doorframe connecting sheet. The all-directional adjustable back-flap hinge is characterized by further comprises a door-leaf hinge fixing plate and a doorframe hinge fixing plate; the door-leaf connecting sheet is connected to a door leaf through the door-leaf hinge fixing plate, the doorframe connecting sheet is connected to a door-leaf hinge kneel through the doorframe hinge fixing plate, a positive first threaded hole and a reversed second threaded hole are formed in the doorframe hinge fixing plate, a waist-shaped hole is formed in the door-leaf hinge kneel, and a third screw is in threaded connection with the doorframe hinge fixing plate. According to the all-directional adjustable back-flap hinge, the structure is simple, the installation is convenient, the installation difficulty of an assembly worker is reduced, and installation efficiency is improved; meanwhile, the following maintenance is easier, the assembly and disassembly are convenient, and a user can perform disassembly, assembly and adjustment himself if the hinge needs to be replaced or adjusted.

The invention discloses intelligent gateway equipment based on multi-network integration and a community management intercom system. According to the intelligent gateway equipment based on multi-network integration and the community management intercom system, system operation cost is reduced, installation is convenient and fast, subsequent maintenance and management are convenient, and life experience can be provided for an owner more conveniently and fast. The community management intercom system comprises the intelligent gateway equipment, a community terminal server, remote intelligent equipment, a property management platform, an owner service platform, a common fixed-line telephone, and a common mobile phone, wherein the intelligent gateway equipment comprises a main control board, and a main control unit, a sound interface unit connected with the main control unit through a real-time multimedia transmission unit, a video interface unit, a network interface unit, a phone interface unit and a mobile network communication unit are arranged on the main control board. According to the intelligent gateway equipment based on multi-network integration and the community management intercom system, the community management intercom system uses the intelligent gateway equipment as the core and is based on the owner service platform and the property management platform, the functions of a building intercom system are achieved through the existing internet, a telecom communication network, a mobile network by means of the fixed-line telephone, the mobile phone and the intelligent equipment of the owner, and the system is expanded to achieve movability, flexibility and high efficiency.

The invention provides an intelligent fire-fighting emergency evacuation indication system. The intelligent fire-fighting emergency evacuation indication system comprises a user interaction module, a main controller, an emergency power supply and emergency lamps, wherein the user interaction module is used for continuously polling state information of all hardware according to a system instruction; fire-fighting linkage, automatic detection, function detection and monitoring of the emergency lamps are started according to a user instruction; a fire-fighting pre-arranged plan is started according to a third-party fire-fighting system linkage instruction; the main controller is used for controlling power supply and detecting an operation state of the main controller; the emergency power supply is used for being in communication with the emergency lamps and sending state information of the emergency lamps to the user interaction module; and one emergency power supply controls a plurality of the emergency lamps. The intelligent fire-fighting emergency evacuation indication system disclosed by the invention can rapidly and effectively provide the state information of the emergency lamps, can be operated by a user conveniently, can monitor in time and is safe.

The invention discloses a high-efficiency bearing ring screening device. The high-efficiency bearing ring screening device comprises a supporting platform, a feeding component, a discharging componentand a screening component arranged between the feeding component and the discharging component, wherein the feeding component and the discharging component are arranged on the supporting platform Thehigh-efficiency bearing ring screening device can solve the shortcomings in the prior art, improve the screening efficiency, and at the same time achieve the effects of cleaning, decontamination anddebris removal.