15results about "Screening apparatus" patented technology

The present invention aims to provide an electromagnetic wave-absorbing composition comprising a thermoplastic resin or a thermoplastic elastomer, exhibiting electromagnetic wave absorption performance, and suppressing an increase in fluidity when heated. The composition of the present invention comprises a component (A) that is at least one selected from a thermoplastic resin and a thermoplastic elastomer and a component (B) that is a Fe-Cr-Si-based soft-magnetic metal powder at a mass ratio (component (A) / component (B)) in a range of 5 / 95 to 80 / 20, further comprises a component (C) that is at least one selected from a phosphite-based compound and a phosphate-based compound in an amount of 0.02 to 1.4 parts by mass relative to 100 parts by mass in total of the component (A) and the component (B), and has an electromagnetic wave absorption energy P at 79 GHz of 5 kW / m3 or more.

The electromagnetic shielding resin composition includes: 5 to 40 parts by weight of a carbon-based filler, 10 to 30 parts by weight of a non-halogenated flame retardant, and 0.1 to 5 parts by weight of an anti-blooming agent based on 100 parts by weight of a polyamide resin.

To provide a sensor device that can reduce influences of noise.SOLUTION: A state monitoring sensor 1 includes a sensor part 10 and a cable part 40. The sensor part 10 includes: a thermoelectric element provided on substrates 11 and 12; a first wiring layer 21 provided on one surface of the substrates 11 and 12; and a second wiring layer 22 provided on the other surface of the substrates 11 and 12, and is sealed in an elastic part. The cable part 40 includes signal lines 41 and 42 and a shielding wire 45. At least one of the first wiring layer 21 and the second wiring layer 22 is provided with sensor terminals 211 and 221 connected to the signal line 41 and a ground terminal 213 connected to the shielding wire 45. The ground terminal 213 is connected via a connection part 214 to a cover part 215 that covers an element formation region in which the thermoelectric element is provided.SELECTED DRAWING: Figure 1

The utility model relates to the field of oxygen generators, and discloses a split type oxygen generator optimizing device which comprises two base plates which are symmetrically distributed front and back, the bottoms of the two base plates are fixedly connected with a plurality of supporting legs, the tops of the two base plates are fixedly connected with the bottom of an oxygen generator external unit through fasteners, and the supporting legs are fixedly connected with the bottom of the oxygen generator external unit through fasteners. The back sides of the two base plates are fixedly connected with a plurality of supporting frames which are symmetrically distributed front and back, the tops of the front and back supporting frames are fixedly connected with the bottoms of two sliding plates correspondingly, sliding grooves are formed in the two sliding plates correspondingly, and the interiors of the two sliding grooves are slidably connected with a shielding frame; sound insulation cotton is arranged in the shielding frame, and two limiting frames are fixedly connected between the two sliding plates. The split type oxygen generator optimizing device has the advantages that the split type oxygen generator outdoor unit can be shielded, so that dust shielding and noise weakening can be carried out on the split type oxygen generator outdoor unit.

The invention relates to a magnetic shield (10) for receiving and shielding a device (12) to be protected, comprising at least one shielding shell (16) for forming a protective cavity (20), wherein the shield (10) comprises at least one demagnetizing coil (24) made of an electrical conductor (26), wherein the demagnetizing coil (24) surrounds the shielding shell (16), and wherein the electrical conductor (26) is formed on the shielding shell (16). The invention also relates to a manufacturing process (58).

The present invention relates to a high-frequency shielding device for a dedicated magnetic resonance imaging (MRI) device (10), in particular for a dedicated MRI head scanner (10), comprising: modular high-frequency shielding elements (72) configured to be interconnected and, in the interconnected state, to form a space for arranging the dedicated MRI device (10); and / or at least one high-frequency shield (140) configured to be arranged on one side on a patient (15) and / or on a movable patient seat (31) and on another side on the dedicated MRI device (10); and / or at least one high-frequency antenna (200) configured to cancel out a high-frequency signal from the dedicated MRI device (10) by destructive interference.

The present invention aims to provide an electromagnetic wave-absorbing composition comprising a thermoplastic resin or a thermoplastic elastomer, exhibiting electromagnetic wave absorption performance, and suppressing an increase in fluidity when heated. The composition of the present invention comprises a component (A) that is at least one selected from a thermoplastic resin and a thermoplastic elastomer and a component (B) that is a Fe—Cr—Si-based soft-magnetic metal powder at a mass ratio (component (A) / component (B)) in a range of 5 / 95 to 80 / 20, further comprises a component (C) that is at least one selected from a phosphite-based compound and a phosphate-based compound in an amount of 0.02 to 1.4 parts by mass relative to 100 parts by mass in total of the component (A) and the component (B), and has an electromagnetic wave absorption energy P at 79 GHz of 5 kW / m3 or more.

The utility model relates to the technical field of engineering cost measurement, and particularly discloses a level gauge for measuring construction engineering cost, which comprises a bearing mechanism and a protection mechanism, the bearing mechanism comprises a base and a steering seat arranged on the lower surface of the base, a telescopic component is hinged on the steering seat, and one end of the telescopic component is provided with a movable shaft; the protection mechanism comprises a mounting seat arranged on the upper surface of the base; according to the device, the base with the mounting seat is arranged, the leveling instrument body for surveying and mapping is arranged on the mounting seat, the pitching angle of the leveling instrument body can be controlled through the adjusting shaft, and the side plate on the adjusting shaft can drive the top plate to rotate along with the adjusting shaft while the angle is adjusted, so that external light cannot influence surveying and mapping operation; and the top plate can slide on the side plates through the sliding rail plates, so that the extension depth of the top plate can be adjusted, light rays from different directions can be blocked by matching with the rotatable overturning plates on the two sides, and the blocking effect on external light rays is improved.

The present disclosure relates to reducing material migration from other polymer-inorganic composites used in thermal management and / or electromagnetic interference (EMI) mitigation materials (e.g., thermal interface materials (TIMs), EMI absorbers, thermally conductive EMI absorbers, electrically conductive elastomers (ECEs), electrically conductive composites, combinations thereof, etc.) and other purposes. In exemplary embodiments, the method includes adding halloysite and / or hollow nanotubular inorganic structures and / or tubular inorganic nanomaterials to the composite in an amount sufficient to reduce material migration from the composite. Also disclosed are exemplary embodiments of composites including halloysite and / or hollow nanotubular inorganic structures and / or tubular inorganic nanomaterials in an amount sufficient to reduce material migration from the composite.

The utility model relates to the technical field of medical equipment, in particular to a treatment machine with a toppling protection function, which comprises a main machine, a base for providing stable supporting force is mounted at the bottom of the main machine, and corner protection parts for collision protection are mounted at corners of four side edges of the outer side of the main machine. The corner protection piece is provided with an expansion part capable of being inflated, and the outer wall of the corner protection piece is provided with a toppling sensing part capable of sensing the gravity change when the host topples and controlling the inflation of the expansion part. According to the treatment machine with the toppling protection function, through the synergistic effect of the stably-supported base, the adjustable extension rod, the anti-skid supporting rod and the suction cup, the weight of the main machine is effectively dispersed, the supporting area is enlarged, the anti-skid capacity is enhanced, the stability of the machine under various placement conditions is greatly improved, and the toppling risk is reduced. The gravity signal change of the host can be accurately captured in real time through the toppling sensing part, the toppling condition is rapidly judged, and a protection mechanism is started.

The present disclosure relates to decreasing migration of materials from thermal management and / or electromagnetic interference (EMI) mitigation materials (e.g., thermal interface materials (TIMs), EMI absorbers, thermally-conductive EMI absorbers, electrically-conductive elastomers (ECEs), electrically-conductive composites, combinations thereof, etc.) and other polymer-inorganic composites used for other purposes. In exemplary embodiments, a method includes adding halloysite and / or hollow nanotubular inorganic structures and / or tubular inorganic nanomaterials to a composite in an amount sufficient for decreasing migration of materials from the composite. Also disclosed are exemplary embodiments of composites that include halloysite and / or hollow nanotubular inorganic structures and / or tubular inorganic nanomaterials in an amount sufficient for decreasing migration of materials from the composite.

The electromagnetic shielding resin composition includes: 5 to 40 parts by weight of a carbon-based filer, 10 to 30 parts by weight of a non-halogenated flame retardant, and 0.1 to 5 parts by weight of an anti-blooming agent based on 100 parts by weight of a polyamide resin.

The invention relates to an arrangement for compensating an initial magnetic field in a vehicle having at least one seat, wherein the at least one seat has at least one electrically conductive, metallic seat structure (1), wherein a voltage source, in particular a battery (3), is arranged to provide a current through the metallic seat structure (1) to generate a counter field for superimposing the initial magnetic field, wherein at least one control unit (5.1, 5.2, 5.3) is arranged and configured to control and / or regulate the current as a function of a strength and / or location of the initial magnetic field in order to at least partially cancel out the initial magnetic field.

An anti-falling glucometer shell is characterized in that the anti-falling glucometer shell comprises a protective shell, fixing assemblies, a first buffer pad and a test paper storage assembly, the first buffer pad is fixed to the groove bottom of a mounting groove formed in the protective shell, and the two fixing assemblies are installed on the groove walls of the two sides in the mounting groove of the protective shell correspondingly; a mounting groove is formed in the protective shell, a glucometer body is mounted in the mounting groove of the protective shell through a fixing assembly, a detection opening formed in the glucometer body corresponds to a through hole formed in the protective shell in position, a dustproof plug is mounted at the through hole of the protective shell, and a test paper storage assembly is arranged on one side of the protective shell. The glucometer body is mounted in the telescopic clamping plates arranged on the two sides in the mounting groove of the protective shell, and the telescopic clamping plates on the two sides clamp and limit the glucometer body through the compression springs, so that the glucometer body and the anti-falling assembly are detachably mounted, and the requirement that the protective shell can be replaced after being damaged due to use is met.

The invention relates to a shielding device (1) for shielding a magnetic field sensor (3) with a tube (4) in which the magnetic field sensor (3) can be arranged, wherein the tube (4) has a first tube opening (5) at one of its two tube ends (7), the widest diameter of which is no more than 15 cm, so that the tube (4) with the first tube opening (5) can be positioned on a human thorax and comprises a material with a magnetic permeability µR of more than 1, in particular more than 10. The invention also relates to a sensor device (2) with such a shielding device (1).