摘要:
A resident measurement system for a charge level of a blast furnace includes a chamber, a servo system, a distance measurement unit, and a cooling-cleaning unit. The chamber is combined with a lateral furnace wall of the blast-furnace, covers an opening of the furnace wall, and has a pivoting hole. A pivot of the distance measurement unit is pivotally disposed at the pivoting hole, and the distance measurement unit is driven by the servo system to perform a motion with the pivot as a movement center, so as to measure the charge level. The cooling-cleaning unit is used to supply a high-pressure gas, which flows through the distance measurement unit to perform cooling and cleansing operations. The measurement system is small in dimension, and capable of scanning the charge level in an environment with high temperature, high concentration of dust, and high corrosion in the blast furnace furnace, establishing charge level information into a two-dimensional charge level mode, and obtaining a charge level profile distribution situation in real time, thereby promptly modifying a burden distribution mode.
摘要:
A radio frequency identification (RFID) tag using a monopole antenna is provided, in which an antenna structure is disposed on a metal plate, two ends of an RFID chip are electrically connected to the antenna structure, and the antenna structure and the RFID chip form a loop structure. The RFID tag can be disposed on a surface of an object to be measured, or disposed in an inner accommodation space of the object to be measured, so it is widely used in various applications. Additionally, the RFID tag is easily manufactured, so the production cost can be reduced. Furthermore, the RFID tag has a larger readable distance, and an electromagnetic wave emitting direction of the RFID tag is adjustable according to different included angles between the metal plate and the antenna structure, thereby causing signals to be read easily and identification ability to improve, two desirable effects.
摘要:
A radio frequency identification tag device includes an antenna unit (1) including a dielectric substrate (11) that has two through holes (113) extending from a first surface (111) to a second surface (112) opposite to the first surface (111), a first conductive layer (12) disposed over the first surface (111) of the dielectric substrate (11), a second conductive layer unit (13) disposed over the second surface (112) of the dielectric substrate (11) and having opposite second conductive layers (131, 132) spaced apart from each other such that a spacer (130) is formed between the second conductive layers (131, 132), and two connecting conductors (14) each disposed in a corresponding through hole (113) in the dielectric substrate (11) and interconnecting electrically a corresponding second conductive layer (131, 132) and the first conductive layer (12). A radio frequency identification module (2) is disposed to span the spacer (130) and is attached to the second conductive layer unit (13).