44results about How to "Realize shielding function" patented technology

The invention discloses a high voltage belt shielding power socket. The high voltage belt shielding power socket comprises contact pin fixing covers, shielding cases, contact pin assemblies and a socket shell, wherein a flange plate is arranged at one end of the socket shell; installation via holes are formed in the flange plate; the two opposite sides of the socket shell are each provided with a hollow cylindrical rotary shaft; two shielding installation cylinders are arranged in the socket shell; hexagonal rotation stopping contact pin installation holes are formed in the bottom of the plugging portions of the shielding installation cylinders, the bottoms of the hexagonal rotation stopping contact pin installation holes are connected with cylindrical contact pin positioning devices, and hanging tables are arranged on the outer walls of the cylindrical contact pin positioning devices. The parts complex in structure are formed by a mould, and compared with a traditional socket, the high voltage belt shielding power socket has the advantages of being small in size, good in shielding performance, low in production cost, high in production efficiency, and the like.

The invention discloses a reactor shielding, coolant pressure relief and containment suppression compound device. The reactor shielding, coolant pressure relief and containment suppression compound device comprises a ring-shaped shielding layer which is arranged in a containment, surrounds a pressure vessel and adopts a closed structure, the housing of the ring-shaped shielding layer comprises shielding steel plates, and the ring-shaped shielding layer accommodates shielding water and is provided with a suppression pipeline used for communication between the atmosphere of the containment and the shielding water, and the ring-shaped shielding layer is also provided with a pressure relief pipeline used for leading a coolant in the pressure vessel into the shielding water and a water drainage pipe used for discharging water into a reactor cavity. The reactor shielding, coolant pressure relief and containment suppression compound device can achieve the functions of reactor shielding, coolant pressure relief, containment suppression and water discharge into the reactor cavity.

A circuit board and an electronic device relate to but are not limited to the technical field of circuit boards, the circuit board comprises a first circuit board, the first circuit board comprises a first substrate and a first circuit layer arranged on a first side surface of the first substrate, and the first circuit layer comprises a first grounding circuit. The circuit board further comprises a first protection layer and a first electromagnetic interference shielding layer which are sequentially stacked at the side, away from the first substrate, of the first circuit layer. The first protection layer is provided with a first opening, the first opening exposes at least one part of the first grounding line and is filled with a first conductive material, and the height difference between the surface of the first conductive material and the surface, away from the first substrate, of the first protection layer is 0-2 microns. The first conductive material connects the first electromagnetic interference shielding layer and the first ground line. The circuit board provided by the embodiment of the invention can prevent the problems of local upwarp and unevenness after the circuit board is partially windowed to expose the circuit layer.

The invention relates to an electromagnetic shielding structure of a rectangular electric connector. The structure comprises a connector plug shell body, a socket shell body and a screw rod locking mechanism, wherein a sealing gasket is disposed on the screw rod locking mechanism; an elastic conductive ring is disposed between the connector plug shell body and the socket shell body; a cable shielding net is installed on the sealing gasket; and a screw is connected to the sealing gasket. The structure provided by the invention has the advantages that a cable shielding layer is installed on the sealing gasket by the screw, so that the cable shielding layer does not need to pass through a wire outlet of the connector, and the cable shielding layer can be electrically connected to a plug; reliability of rainproof sealing of the cable wire outlet is enhanced; assembly is convenient because of setting of the elastic conductive ring; the structure is stable and reliable after installation; the plug can be electrically connected to a socket; shielding performance of the connector is enhanced; an overall structure of the elastic conductive ring and the cable shielding net is simple; practicability is high; a shielding function of the connector is effectively implemented; and resistance of the connector to electromagnetic interference is enhanced.

The invention discloses a shield structure that comprises the first shell and the second shell, said first shell possesses airways to form several aeration areas, assembly parts are set on edge of the first shell and the second shell outside of non aeration area, said assembly parts join the first shell and the second shell. The invention also disclose a communication shield equipment that comprises shield structure equipped on communication equipment, said shield structure includes the first shell and the second shell, said first shell possesses airways to form several aeration areas, assembly parts are set on edge of the first shell and the second shell outside of non aeration area, said assembly parts join the first shell and the second shell. With the invention, airways can not be warded, so radiating performance can be increased.

The invention discloses an MCU (micro control unit) bus socket with a shielding function. The MCU bus socket comprises a pin mounting plate, a shielding cover and a plastic socket shell. The shielding cover is positioned between the socket shell and the pin mounting plate and covers the pin mounting plate. The socket shell, the shielding cover and the pin mounting plate are in mutual fastening connection. Contact-preventing walls, pin components and a sheath are arranged in the pin mounting plate. A signal hole for signal communication is formed in the sheath. Compared with existing sockets, the MCU bus socket has the advantages that a metal shell serving as a mounting and support piece is not needed, and thus, the size of the socket can be decreased; part types for the socket can be reduced; good shielding communication between the shielding cover and a mounting faceplate and high shielding effectiveness of the socket can be guaranteed; the MCU bus socket has a contact-preventing function, and production cost is reduced.

The present invention discloses a smart incoming call shielding method and apparatus of a mobile terminal. The smart incoming call shielding method comprises a first step of scanning an incoming call record every scanning time period, and extracting suspicious phone numbers and phone number information; a second step of searching whether a pre-storage list has phone numbers identical with the suspicious phone numbers, if yes, marking the suspicious phone numbers as shielded phone numbers or tracked phone numbers according to list attributes, and if not, performing a third step; the third step of determining attributes of the suspicious phone numbers according to the phone number information, marking the suspicious phone numbers as the shield phone numbers or tracked phone numbers, and sending the suspicious phone numbers to corresponding lists to be stored; and a fourth step of when an incoming call comes, determining whether the phone number of the incoming call is the shielded phone number, if yes, shielding the phone number of the incoming call. In the method, the suspicious phone numbers are classified and selectively shielded according to the list and the phone number information, so that a user condition-based shielding function is realized, and misunderstanding rate of useless calls is lowered. The existing mobile terminal cannot automatically shield prank calls or calls that the user does not want to answer. The method solves the problem of the existing mobile terminal.

The invention relates to a connector, in particular a circular connector, having a plug side and a cable connection side, comprising: an electrically conductive terminal which is divided by an electrically conductive terminal flange into a first interface side and a second interface side, the second interface side being used for connection to a cable; an insulating insert which is used for fixing the electrically conductive terminal; and a shell which is used for accommodating the insulating insert and the electrically conductive terminal. The invention further provides a connector assembly which comprises the connector and a butt joint connector. The connector and the connector assembly can be used for transmitting large current, can be quickly locked and separated, can achieve a good EMC effect, and are convenient to assemble and disassemble.

The invention discloses a high-temperature-resistant and fire-resistant flexible cable and a manufacturing method thereof, belonging to the technical field of high-temperature and fire-resistant flexible cables. Line clamping component, a dry powder storage ring is installed along the ring of the cable body between the T-shaped fixing bases, and a dry powder detection and ejection component is arranged on the inner side of the dry powder storage ring. The cable body includes a quartz fiber braided outer protective layer and a ceramic fiber wrapping tape. Protective layer, ceramized silicone rubber oxygen barrier, quartz fiber rope, ceramized silicone rubber insulating layer, synthetic mica tape wrapping the inner insulating layer and soft copper wire stranded conductor, the inner side of the quartz fiber braided outer protective layer is sheathed with ceramic Fiber-wrapped protective layer.

The present invention relates to the technical field of high-voltage switch devices, and particularly relates to a support conductor and a high-voltage switch using the conductor. The support conductor includes a recessed opening. The recessed opening includes a bottom surface used for fixing a static contact and used for conductively contacting with the static contact, and a side wall used for shielding the static contact. The support conductor of the present invention is provided with the recessed opening allowing the static contact to sink into, the bottom surface of the recessed opening is in conductive contact with the static contact, the side wall of the recessed opening can shield the static contact, and an extra shielding structure is not needed. In addition, after the static contact is installed, the height is lowered, so that the diameter of a switch cylinder is effectively reduced. Due to the compact structure design of the support conductor, product assembling difficulty is lowered, the production cycle is shortened, and the product structure is optimized, further, a good electric field structure is obtained, and the electrical property of the product is improved.

The invention belongs to the technical field of electrical equipment and particularly relates to a PCB (printed circuit board) signal unit shield grounding device. The PCB signal unit shield groundingdevice comprises a shielding case used for shielding PCB signal units, connecting pieces are arranged on the outer side of the shielding case, and after the PCB signal units are shielded by the shielding case, the connecting pieces contact with the inner wall of a cabinet shell provided with a PCB. The shielding case used for shielding the PCB signal units is arranged, the connecting pieces are arranged on the shielding case, and the PCB signal units are shielded and grounded, so that problems that PCB signal units are grounded badly leading to mutual interference in the prior art are solved,the PCB signal units are assuredly well grounded, good shielding effect is achieved, normal use of the PCB signal units and the PCB is guaranteed, and good use functions are achieved.

The invention discloses a shielding insulating body, a shielding connector and a manufacturing method for the shielding connector. The insulating body is ejection-molded, and comprises a top surface, a bottom surface and a plurality of through holes, wherein the top surface and the bottom surface are opposite to each other; and the plurality of through holes penetrate through the top surface and the bottom surface. A metal material layer is arranged from the bottom surface to the top surface, and covers the bottom surface and the wall surfaces of the through holes; an insulating material layer is arranged from the top surface to the bottom surface, and covers the top surface and the wall surfaces of the through holes; and the metal material layer in the through holes is covered by the insulating material layer to realize the shielding function of the electrical connector and prevent terminals inserted into the through holes from being short-circuited with the metal material layer. Positioning structures are not required to be arranged on the bottom surface of the insulating body to partially shield the metal material layer together with stoppers; therefore, compared with the prior art, the invention solves the problem of difficulty in control over dimensional accuracy, and can eliminate the two steps of assembling the stoppers and removing the stoppers to further simplify a machining process and decrease production cost.

Disclosed in the present application is a shielding method and device for wireless signals. The method comprises: sending by a first network device a reselection signaling to a terminal which accesses a second network device of a public network in an area to be shielded, the reselection signaling being used for indicating the terminal to reselect and access the first network device, and the first network device being used for shielding wireless signals between the second network device and the terminal; receiving by the first network device an uplink signal sent by the terminal; and if the terminal is determined, according to the uplink signal, to support a first communication system, a first access instruction is sent to the terminal, the first access instruction being used for indicating the terminal to access a cell, supporting the first communication system, of the first network device. The method is used to solve the problem of large amounts of radiation in a conventional interference method.

The invention discloses a two-section type HDMI connector and a manufacturing method thereof. The shielding shell of the two-section type HDMI connector is composed of a shell front end part and a shell rear cover part. The shell front end part is provided with a spacing bulge, a first strip-shaped bulge and a first cambered-surface bulge. The rear end of the shell rear cover part is provided with a cylindrical extension segment. The surface of the shell rear cover part is provided with a second strip-shaped bulge and a second cambered-surface bulge. The shell front end part and the shell rear cover part are integrally molded through the stamping process of complete metal sheets. In this way, the generation of slits is effectively reduced and the shielding function is better achieved. The connection part of the shell front end part is embedded in the front interface part of the shell rear cover part, and the connection part is connected with the front interface part via a buckle connection structure. Therefore, the assembly is simple in operation and the connection is steady in effect. After the shell front end part and the shell rear cover part are connected together, the surfaces of the two parts, except that with a plug-in tongue part, are coated with a copper foil or a tin foil. Since the shell is coated, the shielding effect is further improved. Meanwhile, the leakage of electromagnetic waves is avoided and the resistance of the two-section type HDMI connector to the interference of external signals is improved.

The present invention discloses a smart incoming call shielding method and apparatus of a mobile terminal. The smart incoming call shielding method comprises a first step of scanning an incoming call record every scanning time period, and extracting suspicious phone numbers and phone number information; a second step of searching whether a pre-storage list has phone numbers identical with the suspicious phone numbers, if yes, marking the suspicious phone numbers as shielded phone numbers or tracked phone numbers according to list attributes, and if not, performing a third step; the third step of determining attributes of the suspicious phone numbers according to the phone number information, marking the suspicious phone numbers as the shield phone numbers or tracked phone numbers, and sending the suspicious phone numbers to corresponding lists to be stored; and a fourth step of when an incoming call comes, determining whether the phone number of the incoming call is the shielded phone number, if yes, shielding the phone number of the incoming call. In the method, the suspicious phone numbers are classified and selectively shielded according to the list and the phone number information, so that a user condition-based shielding function is realized, and misunderstanding rate of useless calls is lowered. The existing mobile terminal cannot automatically shield prank calls or calls that the user does not want to answer. The method solves the problem of the existing mobile terminal.