388 results about "Metallic enclosure" patented technology

To provide a lighting device capable of excellently radiating heat from a driver while excellently illuminating an object, and a display device equipped with the same.SOLUTION: The lighting device 2 includes a circuit substrate 5 having a front surface on which a plurality of light sources 5a are mounted and a rear surface on which a driver 5b for driving one or more light sources 5a among the plurality of light sources 5a is mounted, a lattice-shaped reflector 6 surrounding each of the plurality of light sources 5a, a metallic case 8 recessed rearward from a top surface 81 and having a recess 82 provided corresponding to the driver 5b, a first heat-conducting T1 in contact with the rear surface of the circuit substrate 5 and the top surface 81, and a second heat-conducting 5b in contact with the driver 82a and a bottom wall of the recess 82. T2. In the circuit substrate 5, a hole 5H through which the internal space Si of the recess 82 and the front space Sf of the circuit substrate 5 communicate with each other is formed at a position covered with the reflector 6.SELECTED DRAWING: Figure 5

The invention discloses a prefabricated branch fireproof cable with a copper metal shell and a preparation method of the prefabricated branch fireproof cable. The prefabricated branch fireproof cable comprises a copper metal main shell, the bottom of the copper metal main shell is communicated with a copper metal sub-shell, a main cable is installed in the copper metal main shell, and a branch cable is installed in the copper metal sub-shell; the main cable and the branch cable both adopt copper core conductors, and copper has high conductivity, so that resistance in a current transmission process can be reduced, electric energy loss can be reduced, electric energy transmission efficiency can be improved, and stable and efficient transmission of electric power to each electric device can be ensured; the nanoscale magnesium oxide insulation powder filled in the copper metal main shell and the copper metal branch shell has excellent insulation performance, can effectively isolate electrical connection between the main cable and the branch cable and the external environment and between the main cable and the branch cable and other conductors, prevents electric leakage and short circuit accidents, and improves the electrical safety of a cable system.

An antenna system is configured for use with an electronic device having a housing. The antenna system includes a first antenna element configured to be disposed at a first location adjacent to a side of the housing and a second antenna element configured to be disposed at a second location adjacent to the side of the housing. The first antenna element includes a first body extending between a first lower end and a first upper end. The first body includes a first flat portion, a first arcuate portion, and a first cutout configured to facilitate dual-band radiation associated with the first antenna element. The second antenna element includes a second body extending between a second lower end and a second upper end. The second body includes a second flat portion, a second arcuate portion, and a second cutout configured to facilitate dual-band radiation associated with the second antenna element.

The invention discloses an ultrasonic double-wave detection and monitoring method and an ultrasonic double-wave transducer, and the ultrasonic double-wave transducer comprises a piezoelectric element which is used for exciting a longitudinal wave signal and a transverse wave signal at the same time under the excitation of a single electric pulse; the backing layer is positioned on the back surface of the piezoelectric element and is used for absorbing longitudinal wave energy radiated to the back surface by the piezoelectric element; the matching layer is arranged between the piezoelectric element and the tested workpiece and is used for acoustic impedance matching; the electrical connection device is used for connecting an external excitation generator and receiving equipment; and the metal shell is used for packaging the piezoelectric element, the backing layer, the matching layer and the electrical connection device and is provided with a structure for applying pre-tightening force. According to the invention, dual-mode excitation is realized through a single piezoelectric plate structure, and the efficiency, precision and reliability of dual-wave ultrasonic detection are improved.

The invention discloses a vacuum cup with a metal shell and an inner container directly compounded and a preparation method. The vacuum cup comprises a metal shell, an inorganic non-metal inner container and a transition layer located at openings of the metal shell and the inorganic non-metal inner container. The transition layer is at least one of a metal transition layer, a metal solder transition layer or a glass solder transition layer, the thermal expansion coefficient of the transition layer is between the thermal expansion coefficient of the metal shell and the thermal expansion coefficient of the inner container, and the thermal expansion coefficient meets the metal shell gt; a transition layer gt; an inorganic nonmetal liner; when the transition layer is a metal transition layer, the relative difference K between the transition layer and the thermal expansion coefficient of the metal shell is less than 60%; when the transition layer is a metal solder or glass solder transition layer, K is less than 20%; the total thickness of the transition layer is smaller than 1 mm. By reasonably controlling the material and thermal expansion coefficient of the transition layer, a middle structure with a deformation inhibition function is formed, thermal expansion deformation of the metal shell is relieved, the welding stress is reduced, the cracking risk is reduced, and reliable and direct compounding of the metal shell and the inorganic nonmetal inner container is achieved.

The invention provides an ultra-high-speed bus expansion electric connector with a shielding function, which comprises an insulating body provided with a lengthwise slot, a plurality of terminal slots are respectively arranged in lengthwise side walls on two sides of the slot, and a fool-proof part is arranged in the slot and is used for dividing the insulating body into a power supply and low-speed signal area and a high-speed signal area; the terminals comprise differential signal terminals distributed in the high-speed signal area and other terminals distributed in the high-speed signal area and the power supply and low-speed signal area, every two differential signal terminals are adjacent, and every two adjacent differential signal terminals and an insulating block inserted into the insulating body are formed in an embedded mode; the other terminals are independent terminals which are inserted into the corresponding terminal grooves of the insulating body; the metal shell is coated outside the insulating body, and a wave-absorbing material is arranged between the metal shell and the insulating body; the ultra-high-speed bus expansion electric connector with the shield can enable signal transmission to be better and more stable.

A slot antenna device is disposed on a metal case and includes a slot, a first dielectric substrate, a feeding metal branch, a coupling metal branch, and a signal source. The slot is in the metal case and includes a first long side, a second long side, a first short side and a second short side. The first dielectric substrate is on the metal case adjacent to the first short side of the slot and located above the slot. The feeding metal branch is on the first dielectric substrate and above the slot. A first end of the coupling metal branch is connected to the metal case of the first long side, and a second end of the coupling metal branch extends along the first long side and toward the second short side. The signal source is electrically connected to the feeding metal branch and the metal case.

The utility model discloses a cooking utensil, and relates to the technical field of household appliances, the cooking utensil comprises a utensil body, a target ground wire in the utensil body is connected to a ground point of a pot body in the utensil body, and the target ground wire at least comprises a first ground wire connected with a metal shell in the utensil body; and the filtering device is arranged on the target ground wire so as to eliminate interference signals brought by a wireless temperature measurement module in the appliance body. According to the cooking utensil, the problem that the EMC effect of the cooking utensil in the related technology is poor is solved.

A spark plug (1, 201, 301, 401, 501, 601) comprising: a cylindrical insulator (10, 210, 410, 510) with an axially extending axial hole (20, 220, 520) and a rearwardly directed surface (22A) formed in the axial hole (20, 220, 520); a cylindrical metal casing (30, 330, 630) arranged on an outer periphery of the insulator (10, 210, 410, 510); and a central electrode (50) arranged at a front end in the axial hole (20, 220, 520), wherein the central electrode (50) has a large-diameter section (52) with an outer diameter that is the largest in the central electrode (50), the large-diameter section (52) being held at the rearward-facing surface (22A), and wherein the metal shell (30, 330, 630) has a diameter-enlarged section (36) at a rear end with respect to the central electrode (50),wherein the enlarged diameter section (36) has an inner diameter that is enlarged towards the rear end, wherein the insulator (10, 210, 410, 510) has a first section (70, 270, 470, 570) which is a section of the insulator (10, 210, 410, 510) in a region (AR) from a rear end of the rearward-facing surface (22A) to a front end of the enlarged diameter section (36), the first section (70, 270, 470, 570) having a thickness (X1) which is the greatest in the region (AR), and is arranged at least on an outer periphery of the large-diameter section (52), the insulator (10, 210, 410, 510) being connected to the metal shell (30, 330, 630) by a seal (45) is held at the front face with respect to the first section (70, 270, 470, 570) and the insulator (10, 210, 410, 510) has a second section (80, 280, 480, 580) at the rear end face with respect to the first section (70, 270, 470, 570) in the area (AR),wherein the second section (80, 280, 480, 580) has an outer diameter (B) that is smaller than an outer diameter (A) of the first section (70, 270, 470, 570), wherein the first section (70, 270, 470, 570) is arranged at least at an outer periphery of an entire region in the axial direction of a section of the central electrode (50) that is arranged in the region (AR).

The utility model relates to aerosol generating equipment and an interaction system. The aerosol generating equipment comprises a metal shell, a radio frequency circuit and a signal transmission module, the radio frequency circuit and the signal transmission module are arranged in the metal shell; and the radio frequency circuit is electrically connected with the signal transmission module and is used for outputting a radio frequency signal to the metal shell through the signal transmission module, so that the metal shell serves as an antenna radiator to emit the radio frequency signal. According to the aerosol generating equipment, the radio frequency circuit and the signal transmission module are arranged in the metal shell, and the radio frequency signal output by the radio frequency circuit is output to the metal shell through the signal transmission module, so that the metal shell is directly used as an antenna radiator, a wireless communication function is realized, and the signal transmission module can transmit the radio frequency signal to the metal shell. And the all-metal shell meets the industrial design angle.

1. Name of the designed product: upper cover of metal shell of car subwoofer (K-ZZ10APR / 06). 2. Use of the designed product: for metal protective shell of car subwoofer. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo best indicating the design points: perspective view.

This invention discloses an insulating encapsulation structure and connection method for a probe temperature sensor, relating to the field of temperature sensor technology. The insulating connection bracket has an outer insulating and thermally conductive protective layer, and contains insulating adhesive and a temperature-sensing component. The specific implementation is as follows: an insulating layer assembly, a built-in snap-fit ​​structure within the insulating connection bracket, and an eccentric cavity for housing the temperature-sensing component. A thermistor glass body is used as the insulator. In the insulation process, direct contact between the glass body and the inner wall of the bracket reduces one useless insulating layer. The cavity formed by the end of the insulating connection bracket and the insulating layer assembly houses the temperature-sensing component. The cavity contains a clearance structure for the thermistor pins and multiple layers of insulation between the pins and the conductive copper wires. A fluid insulating adhesive is used, and then the insulating connection is cured. Finally, the encapsulation is placed inside a metal shell containing insulating adhesive and cured, thus forming multiple layers of effective insulation and sufficient safe insulation thickness between the thermistor conductive pins and the metal shell.

A solid oxide cell module is proposed, comprising several stacks of solid oxide cells (10), several distribution plates (16, 18, 20) arranged between the stacks of solid oxide cells (10), a metal housing (26) with six boundary walls (30) in which the stacks of solid oxide cells (10) and the distribution plates (16, 18, 20) are arranged one behind the other and clamped, and on which inlets and outlets (48, 50) are formed, as well as an insulating housing (62) surrounding the metal housing (26). To ensure sufficient strength even at high temperatures, it is proposed that a stiffening structure (64) be formed on at least one of the surfaces (66, 68) of the boundary walls (30) of the metal housing (26) on all surfaces that are subject to critical creep stress.

This invention belongs to the field of electronic connector technology, and particularly relates to an electronic connector with antenna function and its anti-interference method, comprising: a metal shell, an insulating body fixedly installed inside the metal shell, a connecting plug on one side of the insulating body, a conductive terminal group on the connecting plug, a PCB board on the other side of the insulating body, a radiating antenna on the PCB board, a buffer plate on the periphery of the connecting plug, and a buffer pad fixedly installed on one side of the buffer plate; a buffer assembly, located inside the metal shell, for buffering the buffer plate; the invention adopts a monopole antenna topology structure, and with the design of no radiator and PCB ground short-circuit pin, it significantly reduces the coupling of USB3.x ground noise to the antenna resonant structure, effectively avoids noise interference in the 2.4-2.5GHz band, significantly improves the stability and consistency of 2.4GHz band wireless communication on different USB3.x hosts, and adapts to complex host environments.

The embodiment of the utility model relates to the technical field of antennas, and particularly discloses a UWB module, which comprises a metal shell and an antenna unit. The metal shell is provided with an inner cavity; the antenna unit is arranged in the inner cavity, the antenna unit is coupled with the metal shell so that the antenna unit can radiate outwards through the metal shell, the antenna unit is provided with a defect gap, and the defect gap is parallel to the inner wall of the opposite part of the metal shell in the direction pointing to the edge from the center of the antenna unit. Through the above mode, the embodiment of the utility model can improve the outward radiation effect when the antenna unit is in the metal shell.

A shielding structure and a manufacturing method thereof. The shielding structure comprises a metal shell, a plastic piece and a conductive circuit; the metal shell has an inner surface and an inner space; the plastic piece is arranged on the inner surface of the metal shell and has a containing space, and the plastic piece is located in the inner space; the conductive circuit is arranged on the plastic piece and located in the containing space; wherein the plastic piece is located between the conductive circuit and the metal shell. The shielding structure and the manufacturing method thereof of the present application arrange the conductive circuit in the inner space of the metal shell through the plastic piece, so that the shielding structure has the functions of shielding and conductive control. Through the arrangement of the conductive circuit, multiple electronic elements can be stacked on the circuit board in the shielding structure, thereby improving the space utilization.

This application illustrates an electro-static discharge protection structure and an electronic device. One end of a pressure-sensitive elastic component is connected to a metal housing, the other end of the pressure-sensitive elastic component extends in a direction away from the metal housing. A border frame includes a connection part—and a first side edge. A conductive layer is disposed on a side, facing the pressure-sensitive elastic component, of the connection part. The one end of the pressure-sensitive elastic component—is connected to the conductive layer, and the other end of the pressure-sensitive elastic component is connected to the metal housing.

The application provides a charging gun cooling system, which comprises a liquid outlet device and a liquid return cooling device; the liquid outlet device comprises a liquid storage tank, a pump, a first pipeline and a liquid outlet manifold; the liquid return cooling device comprises a liquid return manifold, a micro-channel radiator, a fan, a flow guide pipe, an external filter and a semiconductor refrigeration component; at least one liquid return connector is arranged on the liquid return manifold, the liquid return connector is used for being connected with the charging gun, the micro-channel radiator is communicated with the liquid return manifold, the fan faces the micro-channel radiator, the first end of the flow guide pipe is connected with the micro-channel radiator, the second end of the flow guide pipe is connected with the liquid storage tank, the external filter is arranged outside the liquid storage tank and both ends of the external filter are connected with the flow guide pipe, the external filter comprises a metal shell and a detachable filter element accommodated in the metal shell, and the semiconductor refrigeration component is connected with the metal shell. The charging gun cooling system can reduce impurities, avoid the blockage of the system and efficiently cool.

The utility model relates to the technical field of energy storage, and discloses energy storage equipment which comprises a plurality of battery modules stacked in the first direction and a plurality of first fixing parts, each battery module comprises a first metal shell and a grounding assembly, an insulating layer is arranged on the outer surface of the first metal shell, the grounding assembly is arranged on the first metal shell, and the insulating layer is arranged on the outer surface of the grounding assembly. The grounding assemblies of two adjacent battery modules are electrically connected; each first fixing piece is connected with at least two battery modules, the first fixing pieces are electrically connected with the first metal shell, and the plurality of battery modules are in equipotential connection.

The utility model discloses a battery pack circuit breaking unit with grounding structure, including insulating casing, a plurality of electric components of setting in insulating casing, PCB board and grounding structure, PCB board is installed on insulating casing, and a plurality of electric components are electrically connected in PCB board, grounding structure includes conducting row, and conducting row is installed on insulating casing, and one end of conducting row is electrically connected in common ground on PCB board, and its other end is set as the lead-out end for the contact with the metal shell of external device. The utility model discloses setting the grounding structure containing conducting row, constructs low impedance ground discharge path for PCB board and electric component, can effectively shield external noise, reduce the influence of electromagnetic interference to voltage sampling signal, and prevent high voltage surge and electrostatic damage chip on PCB board, improve the electromagnetic compatibility and work reliability of battery pack circuit breaking unit, guarantee vehicle dynamic control signal stability.

The application discloses a sealing method of an ultra-thick high-low frequency metal shell, which comprises the following steps: pre-oxidation and pre-plating of raw materials, cleaning of a mold; pre-oxidation and pre-plating of the raw materials to obtain a shell, a lead wire and glass; a section of glass is assembled with the shell and the lead wire, a graphite column is sleeved on the lead wire to press the glass, and the whole is placed in a selected atmosphere to perform first sealing at 800-1200 DEG C. After the first sealing, the mold and the graphite column are removed, the sealed metal shell is treated in diluted hydrofluoric acid for dozens of seconds, a second section of glass is assembled, and the assembled shell is placed at 800-1200 DEG C to perform second sealing. The plating mode of the high-low frequency metal shell is gold plating, copper plating, nickel plating or the like. The application uses step-by-step sealing to replace conventional one-step sealing, and meets the use requirements of high insulation and voltage resistance of the metal shell; and provides technical support for mass production of other types of ultra-thick metal shells.

This utility model relates to the field of security monitoring technology and proposes a security monitoring device for security engineering, comprising: a monitoring pole and a support rod fixedly connected to the inner wall of the monitoring pole; a mounting block is fixedly connected to the top of the support rod, the mounting block has multiple mounting surfaces, multiple sets of connecting components are provided on the surface of the mounting block, a camera is provided on the surface of the connecting components, and a cooling chamber is opened inside the camera. This application has a reasonable structure. A self-priming booster pump allows external water to enter the distribution shell through a water injection pipe. Then, water enters the bottom of the cooling chamber through a cooling branch pipe, a water outlet connector, and a cooling pipe. The heat from the camera is conducted to the cooling chamber inside the metal shell and cooled by the water. Furthermore, this application allows for the installation of multiple cameras according to user needs, achieving comprehensive monitoring of the surrounding area without blind spots, while also cooling multiple cameras.

The invention relates to the technical field of mine safety monitoring, and discloses a device and method for measuring mining-induced stress, temperature and water pressure of a mine, the device comprises a high-strength metal shell, a hollow connecting rod, a water pressure measuring unit, a strain measuring unit, a temperature measuring unit and a single through optical fiber, and the surface of the shell is provided with a spiral resin grouting channel; a mechanical occlusion structure is constructed through a solid resin entity, and rock mass displacement is equivalently transmitted to a shell. The temperature compensation fiber bragg grating is coated with a heat insulation coating, in-situ rigid coupling is achieved by injecting liquid resin into a grouting channel, the central wavelength peak value of each grating is obtained through the wavelength division multiplexing technology, the environment temperature variable quantity is extracted based on the temperature compensation fiber bragg grating, and therefore the thermally induced drift distance of the strain grating is deducted, and the compensated strain value is obtained. And inverting and outputting the in-situ three-dimensional mining-induced stress state by mapping the constitutive equation set. According to the invention, synchronous high-fidelity acquisition of multi-physics field parameters is realized, and the intrinsic safety characteristic and the electromagnetic immunocompetence are realized.

The utility model provides a USB female seat connector with a screw hole, which belongs to the technical field of USB female seat connection and comprises a metal shell. According to the utility model, under the double-row arrangement of the two groups of the first terminals and the second terminals, the subsequent welding is facilitated, the PCB wiring space is saved, all the first terminals and the second terminals are formed by 90-degree bending of an automatic machine, the stamping process production is facilitated, the electroplating cost is saved, and under the arrangement of the limiting raised lines, the limiting openings, the buckling positions, the buckling points and the elastic clamping pieces, the production efficiency is improved. Compared with the prior art, the USB female seat connector has high retaining force, the stability of the USB female seat connector in use is guaranteed, under the arrangement of the screw plate, the threaded holes and the welding spots, the high-strength screw plate and the shell of the client side can be connected and fixed together through the M3 screws through the threaded holes, and then locking of the metal shell and the interior of the client side shell support is completed. And meanwhile, a plurality of groups of welding spots are welded on the metal shell combination line by laser, so that the impact strength of the metal shell is improved, and the applicability of the USB female seat connector is further improved.

This invention belongs to the field of connector technology and discloses a high-speed connector, including a straight plug and a right-angle socket. The straight plug is the movable end and includes a metal shell, several signal pin assemblies, and multiple bases. The bases are fixed inside the mating end of the metal shell of the plug, and the front end of the signal pin assembly is fixed inside the hole of the base. The rear end of the metal shell has multiple cavities. The rear end of the socket contact extends through the cavity to the outside of the metal shell. The rear end of the socket contact located outside the metal shell is electrically connected to the PCB board. The cavities are separated by metal walls. When the straight plug and the right-angle socket are plugged in, the front end of the socket contact is inserted into the hole of the base, and the signal pin assembly is inserted into the socket contact. The signal pin assembly and the socket contact are electrically connected to form an independent link unit. The metal shell, base, base, cavity, and metal shell shield each link unit to a high degree, resulting in extremely low crosstalk.

The invention relates to automatic electric leakage detection equipment and a control method thereof, and relates to the technical field of electrical safety detection, and the automatic electric leakage detection equipment comprises a conveying structure used for conveying workpieces in sequence, a conduction structure used for electrifying heating parts in the workpieces, and a detection structure used for carrying out live detection on metal shells in the workpieces; the conveying structure is provided with an operation station which is convenient for synchronously electrifying and detecting a workpiece, the conduction structure comprises a conductive block which is in contact with the heating component, and the detection structure comprises a detection rod which is in contact with the metal shell; the conduction structure and the detection structure are installed on the conveying structure, and the conductive block and the detection rod are located on the operation station. The method has the effects of meeting the quality inspection requirements of large-scale production and improving the detection efficiency.

A gas detector is provided. The gas detector has a housing defining a cavity and a display module is disposed within the cavity. The display module has a first PCB, a base plate, a metal enclosure, and a thermal gap pad. The metal enclosure is positioned on top of the base plate, and the thermal gap pad is disposed in between the metal enclosure and the second PCB. The second PCB is disposed on top of the thermal gap pad.

This application relates to the field of terminal device technologies, and in particular, to a resonant cavity antenna and an electronic device. The resonant cavity antenna is used in the electronic device having a metal housing, and the electronic device includes an audio module. The resonant cavity antenna has a closed internal cavity, and the internal cavity is configured to communicate with an audio chamber of the audio module to serve as a portion of an acoustic cavity of the audio module. The resonant cavity antenna includes a dielectric substrate, and a metal sheet and a metal ground that are fastened to the dielectric substrate. The metal sheet and the metal ground are spaced apart, a ground point of the metal sheet is conductively connected to the metal ground, and the metal sheet and the metal ground form a resonant cavity body. An electromagnetic wave sent or received by the resonant cavity antenna may be reflected in the resonant cavity body. The internal cavity is at least partially located between the metal sheet and the metal ground. The resonant cavity antenna uses its own structure to expand a volume of the acoustic cavity of the audio module, so that sound quality of the audio module can be optimized.

The utility model provides a heat dissipation device for vehicle-mounted navigation equipment and the vehicle-mounted navigation equipment. The heat dissipation device comprises heat dissipation fins, heat conduction silica gel and a metal shell, the cooling fin comprises a first area, a second area and a third area. The first area is in contact with a heat dissipation surface of a digital power amplifier chip of the vehicle-mounted navigation equipment through heat-conducting silica gel; one bottom edge of the second area is connected with the edge of the first area, and the other bottom edge of the second area is in contact with the metal shell; the first bottom edge of the third area is connected with the opposite edge of the edge of the first area, and the other bottom edge of the third area is in contact with the metal shell. The built-in radiating fin in the radiating device has certain bending on the whole, and after being coupled to the radiating fin, a high-frequency signal generated by the digital power amplifier chip can be attenuated after being conducted by the surface of the bent radiating fin, so that the reflection of the high-frequency signal is reduced, and the electromagnetic radiation interference condition caused by the high-frequency signal in the vehicle-mounted navigation equipment is relieved.

The utility model relates to the technical field of electronic microphones, and discloses a vibration-proof noise-reduction silicon microphone, which comprises a metal shell, the inner wall of the metal shell is fixedly connected with a mounting seat, the inner wall of the mounting seat is provided with a noise-reduction sound-transmission assembly, the inner wall of the metal shell is fixedly connected with an elastic steel sheet, and the elastic steel sheet is provided with a vibration-reduction sound-transmission assembly. The inner wall of the elastic steel sheet is fixedly connected with four silica gel supports in a circumferential array, and a substrate is arranged in the metal shell. According to the silicon microphone capable of preventing vibration and reducing noise, noise interference can be effectively reduced and the definition and the purity of audio acquisition can be improved through the arrangement of the noise reduction sound transmission assembly and the acoustic resistance matching film, and then low-frequency vibration can be absorbed and the transmission efficiency of mechanical energy can be reduced through the action of the silica gel bracket and the micro spring; under the action of the silica gel shock pad, high-frequency shock can be reduced, and meanwhile, the elastic steel sheet can provide buffering of low-and-medium-frequency shock, so that multi-stage shock absorption can be formed, the audio quality can be remarkably improved, and the device can keep stable performance output in various environments.