910results about "Metal casings" patented technology

A mobile phone may include an enclosure. The enclosure may include a front cover, a rear cover, a housing segment coupled to the front cover and to the rear cover and including a first wall section defining at least a portion of a first side exterior surface of the mobile phone, a second wall section defining at least a portion of a second side exterior surface, and a chassis section extending between the first wall section and the second wall section. The mobile phone may further include a circuit board assembly thermally coupled to the chassis section at a thermal coupling region of the chassis section, the chassis section defining a thermal path extending from the thermal coupling region to the first wall section, and a through-hole positioned in the thermal path and configured to interrupt a flow of heat from the circuit board assembly to the first wall section.

An electronic device may include an input button assembly including an input member positioned along a side exterior surface of a housing component and defining a first input region proximate a first end of the input member and a second input region proximate a second end of the input member, the input member configured to receive a user input. The input button assembly may further include a beam structure at least partially within the enclosure and coupled to the input member, the beam structure configured to be deflected as a result of the user input, a first strain sensing element at a first location of the beam structure, and a second strain sensing element at a second location of the beam structure.

A digital image transmitter includes a wavelength division multiplexer and demultiplexer, a printed circuit board (PCB) unit connected to the wavelength division multiplexer and demultiplexer, a first housing accommodating the wavelength division multiplexer and demultiplexer and the PCB unit, and a second housing covering the first housing, wherein a contact body is arranged between the wavelength division multiplexer and demultiplexer and the first housing, and each of the wavelength division multiplexer and demultiplexer and the first housing contacts the contact body.

The utility model provides an electronic device which comprises a first structural member and a second structural member, the first structural member comprises a first metal matrix, the second structural member comprises a second metal matrix and a decoration layer arranged on one side of the second metal matrix, and the first metal matrix is electrically connected with the second metal matrix. The corrosion potential of the first metal matrix is lower than that of the second metal matrix; an insulating layer is further arranged on the side, away from the second metal base body, of the decorative layer, the insulating layer is a transparent or semitransparent layer, and the impedance of the insulating layer is larger than or equal to 2000 ohms. The insulating layer is arranged on the decorative layer on the second metal matrix with high corrosion potential, so that a potential difference caused by a closed loop formed between the metal matrixes with different chemical activities can be prevented in a sweat environment or a salt mist environment, and the probability of electrocorrosion of the first metal matrix with low corrosion potential is further reduced; and the long-term use requirement of the electronic equipment is well met.

A digital power conversion system is described with a control system, power system, DC bus system, and AC bus system housed in a case. The user-programmable control system outputs pulse-width modulated (PWM) signals and input / output (I / O) signals. The power system uses these PWM signals to drive integrated power transistors to achieve a variety of power conversion functions. The DC bus system includes positive and negative DC buses accessible via positive and negative DC terminals and is connected to the power system, while the AC bus system comprises AC buses accessible via AC terminals and is also connected to the power system. The system provides an efficient and integrated power electronics platform at its rated ranges by harnessing digital power conversion and other techniques.

An electronic device may include an input button assembly including an input member positioned along a side exterior surface of a housing component and defining a first input region proximate a first end of the input member and a second input region proximate a second end of the input member, the input member configured to receive a user input. The input button assembly may further include a beam structure at least partially within the enclosure and coupled to the input member, the beam structure configured to be deflected as a result of the user input, a first strain sensing element at a first location of the beam structure, and a second strain sensing element at a second location of the beam structure.

The invention provides a magnesium alloy, a magnesium alloy shell and electronic equipment. The magnesium alloy comprises the following components in percentage by weight: 2.5%-4.5% of aluminum, 0.5%-1.0% of zinc, 0.2%-0.8% of manganese, 0.01%-1.0% of titanium, 0.01%-0.5% of antimony and the balance of magnesium, additive elements and inevitable impurities, the additive element is a lanthanum-cerium mixed element, and the total weight percentage of the lanthanum element and the cerium element is 0.5%-1.5%. The magnesium alloy can be applied to a magnesium alloy shell, a small amount of low-price mixed rare earth (La / Ce) is added into an alloy of an Mg-Al-Zn system with the low Al content, the refining effect of trace Ti and Sb elements is matched, the corrosion resistance of the magnesium alloy can be greatly improved, meanwhile, the use amount of the rare earth element and the aluminum element is reduced, the manufacturing cost is reduced, and the service life of the magnesium alloy is prolonged. The method is suitable for mass production of electronic products.

The vehicle-mounted domain controller structure comprises a metal frame, a heat dissipation module, a top cover assembly and a bottom cover, a first installation cavity and a second installation cavity are integrally formed in the metal frame, and the two installation cavities are physically isolated through a continuous metal partition plate; a high-speed signal board is fixedly mounted in the first mounting cavity, and a main control board is fixedly mounted in the second mounting cavity; and the plate surface of the continuous metal partition plate is respectively parallel to the mounting plane of the high-speed signal plate and the mounting plane of the main control plate. According to the vehicle-mounted domain controller structure provided by the invention, through rigid physical separation and continuous electromagnetic shielding, effective isolation of a high-speed signal circuit and a high-power main control circuit in a physical space and an electromagnetic environment is fundamentally realized, and an inter-board coupling noise path is thoroughly blocked; and the signal integrity, the electromagnetic compatibility, the thermal management efficiency and the long-term reliability of the whole system are obviously improved.

The present application relates to the field of heat dissipation technology, and in particular to a solid-state temperature averaging plate, its preparation method, and electronic components. It is used to solve the problem in related technologies that the metal shell is easily damaged during the preparation process, which is not conducive to improving the yield of temperature averaging plate production. A solid-state temperature averaging plate comprises: a heat conducting plate, the material of the heat conducting plate is a graphene metal composite material; a metal shell, the metal shell is coated on the outside of the heat conducting plate, and is in close contact with or welded to the heat conducting plate; along the thickness direction of the heat conducting plate, the metal shell includes a top shell and a bottom shell located on both sides of the thickness direction of the heat conducting plate, the heat conducting plate is provided with a plurality of first through holes along its thickness direction, a plurality of metal columns are provided in the metal shell, each metal column is correspondingly passed through a first through hole, and the two ends of each metal column are respectively connected to the top shell and the bottom shell. The present application is used to prepare a solid-state temperature averaging plate.

The invention discloses a composite metal shell and a manufacturing method thereof. The manufacturing method of the composite metal shell comprises the following steps: providing a first metal base material; the first metal base material is subjected to hot forging machining to form a metal inner shell, the metal inner shell comprises a main body and a boss, and the boss protrudes from the main body; performing chemical micropore etching on the metal inner shell; a shell metal layer comprising second metal is formed on the side, provided with the boss, of the main body through die casting, and the boss is embedded in the shell metal layer; a groove is formed in the side, away from the boss, of the main body, and the groove penetrates through the main body and extends into the boss. In the composite metal shell provided by the invention, the groove can avoid the junction of the metal inner shell and the metal layer of the outer shell, so that a chemical film with uniform thickness can be formed on the inner wall of the groove in a chemical process, the composite metal shell can be effectively protected, and the probability of corrosion at the groove is reduced.

The invention discloses an anti-interference mounting structure of an inductive sensor, and aims to solve the technical problems of insufficient mounting space and limited application scene caused by high requirement on interference-free distance of peripheral metal of the conventional TURCKNI100U-K90SR-VP4X2 type inductive sensor, the structure comprises a metal protection box, an electromagnetic shielding assembly and a sensor body; the electromagnetic shielding assembly comprises two electromagnetic shielding films with the size of 25 * 10 * 0.5 mm, and the two electromagnetic shielding films are attached to the two sides of the upper portion of the sensor body respectively. The top of the metal protection box is provided with a non-transparent anti-aging plastic cover plate, one end is provided with a through hole for wire connection, the inner wall of the bottom is provided with a sensor mounting blind hole, and the outer wall is provided with an equipment fixing guide hole. The metal interference-free distance around the sensor is shortened to 18.5 mm through local electromagnetic shielding, meanwhile, it is guaranteed that the detection distance of the sensor in the vertical direction is not attenuated, sealing protection of the sensor is achieved through the protection box, the application scene of the high-detection-distance inductive sensor is remarkably expanded, and the high-detection-distance inductive sensor is particularly suitable for mechanical equipment in a narrow space.

An electronic device component including a thermoset composite material is described herein. The electronic device component may be a structural component of the housing and define an exterior surface of the housing. The electronic device component may also be transparent to radio-frequency signals.

A mount for housing a sensor includes a housing, a lid, and a biasing means. The housing has a base plate and a plurality of side walls extending from the base plate to form a cavity to hold the sensor. The base plate couples the mount with a surface. The lid couples with a first side wall of the plurality of side walls and includes a through hole. A gap is formed between a portion of the lid and a second side wall of the plurality of side walls when the lid is coupled with the second side wall. The gap and the through hole are configured to permit transmission of data from the sensor and the mount. The biasing means extends from a bottom surface of the lid toward the base plate. The biasing means biases the sensor against the base plate in a longitudinal and lateral directions.

An electronic control device includes a non-conductive resin housing; a circuit board; a metal housing; a waterproof seal material; and a conductive adhesive. The circuit board has a circuit ground (GND pattern), and is held by the resin housing. The metal housing covers the circuit board and is attached to the resin housing. The waterproof seal material seals and waterproofs the resin housing and the metal housing. The conductive adhesive is in contact with the metal housing and the circuit ground, and electrically connects the metal housing to the circuit ground at a plurality of points.

The invention provides a preparation method of a shell, the shell and electronic equipment, and the preparation method of the shell comprises the steps that a metal casting is provided, the metal casting comprises a metal base body and a metal outer surface layer, the metal outer surface layer is located on the outer side of the metal base body and is adjacent to the metal base body, and holes are formed in the metal outer surface layer; and performing thermal deformation forging on the part, deviating from the metal matrix, of the metal outer surface layer to obtain the metal compact layer. The shell obtained through the preparation method does not need to be filled with materials, and the surface consistency of the shell is good.

The invention relates to the technical field of gas purification, and discloses a purifier positive pressure purging explosion-proof control method, which comprises the following steps: S10, system initialization and parameter setting: presetting a pressure threshold value, a flow threshold value and a multi-stage control mode through a control unit, the multi-stage control mode at least comprises three modes of quick boosting in a starting stage, pressure fine adjustment in a stable stage and pressure slow release in a shutdown stage; and S20, real-time pressure and flow detection is conducted, specifically, a pressure detection unit collects the internal pressure of the purifier cavity through a detection port and collects the external atmospheric pressure through a reference port, the actual positive pressure value of the cavity is obtained through calculation, and a flow detection unit synchronously monitors flow data of an air inlet pipeline. The positive pressure purging explosion-proof control method for the purifier aims at solving the problems that an existing positive pressure purging explosion-proof control system is insufficient in adaptability under complex working conditions, low in pressure control precision, high in energy efficiency loss and weak in safety redundancy.

The present disclosure relates to an electronic rack and mounting chassis including: a front chassis member; a rear chassis member; a plurality of elongate chassis members extending in a front-to-rear direction and connecting the front and rear chassis members, wherein each of the front and rear chassis members comprises two opposing horizontal sections, two opposing vertical side sections and four corner sections, each of the four corner sections connecting a respective one of the horizontal sections to an adjacent one of the vertical side sections to form a looped structure, wherein each of the front and rear chassis members comprises one or more folded elements being folded to define the four corner sections, and wherein each of the front and rear chassis members further comprises at least one joint at which respective ends of the one or more folded elements are connected to form the looped structure, the or each joint being formed in one of the vertical and horizontal sections so as to be remote from each corner section. The disclosure also relates to a container comprising the chassis.

A mobile phone may include an enclosure including a housing component and a front cover coupled to the housing component and defining a front exterior surface of the mobile phone. The mobile phone may further include a display positioned below the front cover and a sensor module positioned below a front-facing sensor region of the front cover and including a biometric sensing system. The biometric sensing system may include a first lens, a light emitter positioned below the first lens and configured to emit light onto an object, a second lens, and a light sensor below the second lens and configured to capture an image of the object. The sensor module may further include a proximity sensing system positioned between the first lens of the biometric sensing system and the second lens of the biometric sensing system.

The utility model discloses a forward high-temperature switching power supply, which comprises a master control circuit module, a feedback loop module, a transformer module and a rectifier filter module, the master control circuit module is respectively connected with the feedback loop module and the transformer module, the transformer module is connected with the rectifier filter module, and the rectifier filter module is connected with the feedback loop module. The main control circuit module collects a voltage signal of the transformer module, the feedback loop module transmits a feedback signal to the main control circuit module, and the main control circuit module receives the feedback signal transmitted by the feedback loop module; the main control circuit module controls the power supply to output stable voltage and current based on the voltage signal and the feedback signal.

The utility model provides an instrument glue pouring waterproof structure which comprises an instrument structure main body part, a plastic decoration bottom shell and an instrument plastic claw hand assembly. The plastic decorative bottom shell is mounted on the instrument structure main body component, a gluing cavity is formed between the instrument structure main body component and the plastic decorative bottom shell, an instrument main control circuit board is arranged in the instrument structure main body component, and an instrument external lead is mounted on the instrument main control circuit board through a lead fixing wire fastener; the instrument plastic claw assembly is installed on the instrument structure main body component. The beneficial effects of the utility model are that the structure is simple, the glue filling is convenient, the external lead of the instrument can be connected with the external, the circuit board is completely immersed in the glue liquid by filling the liquid glue, and the waterproofness of the circuit board is fully protected.

The embodiment of the utility model discloses a brush handle shell and an electric toothbrush, and the brush handle shell comprises an insulating lining and a metal shell arranged on the periphery of the insulating lining in a sleeving manner; the metal shell is provided with a first display window and a first operation window, the insulating lining is provided with a second display window corresponding to the first display window, and the insulating lining is provided with a second operation window corresponding to the first operation window. According to the utility model, the brush handle shell adopts the metal shell, and meanwhile, the metal shell is provided with the display window and the operation window, so that a user can carry out key operation and visual screen display at the same time, and the multifunctional use requirement of the user is met.

The invention discloses a backlight structure with an NFC (Near Field Communication) function, which comprises a backlight rubber frame of which the bottom non-NFC function area is provided with a locally injection-molded iron frame; the heat dissipation copper foil and the module FPC are attached to the upper surface of the iron frame; the difference between the shrinkage rate of the iron frame and the shrinkage rate of the backlight rubber frame is smaller than a preset threshold value, so that material deformation is restrained when the environment temperature changes. The NFC function requirement of the whole machine is met, material environment testing characteristics are considered, and compared with a pure rubber frame, the backlight intensity is high, and material environment testing performance is compatible.

The invention relates to the technical field of metal surface machining, in particular to a coating treatment process, application of treatment liquid and electronic equipment. The coating treatment process comprises the following steps: enabling an electrophoretic coating of a target workpiece to be in contact with a treating fluid comprising a silane coupling agent and lithium silicate water glass; and heating the target workpiece, so that the silane coupling agent is respectively crosslinked and cured with the electrophoresis coating and the lithium silicate, and a target layer is formed on the surface of the electrophoresis coating.

The present invention relates to a printed circuit board with at least one contact element (102), wherein a fixed end of the contact element (102) is connected to the printed circuit board and a free end of the contact element (102) has a contact point (100) for contacting an oxidized contact surface, wherein an S-shaped spring region (108) is arranged between the fixed end and the free end, which defines a deflection direction of the contact point (100) substantially perpendicular to a main extension plane of the printed circuit board, wherein the contact point (100) has at least one sharp edge (104) for penetrating an oxide layer of the contact surface, wherein flanks of the sharp edge (104) are aligned obliquely to the deflection direction.

A cooling system includes: a blower; a metal case; a semiconductor module housed in the metal case and disposed on a lower surface of an upper wall of the metal case; and a resin duct disposed so as to cover at least part of an upper surface of the upper wall of the metal case, and configured to guide cooling air from the blower along the upper surface of the upper wall between an upstream end of the resin duct that is connected to the blower and a downstream end of the resin duct that is open to outside. The resin duct includes a first resin portion made of a thermoplastic resin, and a second resin portion made of a thermosetting resin. The second resin portion of the resin duct is located above the semiconductor module and is supported by the first resin portion.

The utility model discloses a light-emitting diode (LED) display screen aluminum box body capable of quickly replacing internal components, which relates to the field of LED display screen aluminum box bodies, and comprises a fixed frame and a limiting baffle plate, a movable frame is arranged on the rear side of the fixed frame, and connecting components are arranged on the side surfaces of the fixed frame and the movable frame. According to the LED display screen aluminum box body with the internal components capable of being rapidly replaced, by arranging the connecting assemblies and the limiting baffles, in the using process of the LED display screen aluminum box body, workers can conveniently install the LED display screen aluminum box body, connection between the structures is tight, the situation that the LED display screen aluminum box body is accidentally opened in the subsequent using process is avoided, and the service life of the LED display screen aluminum box body is prolonged. The LED display screen aluminum box has the advantages that the LED display screen aluminum box is convenient to mount and demount, internal components can be quickly replaced, the service life of the LED display screen aluminum box is prolonged, the LED display screen can be conveniently limited, the situation that the LED display screen topples over and is damaged in the follow-up using process is avoided, and the LED display screen aluminum box is convenient to use by workers.

The utility model relates to the technical field of sheet metal cabinets, in particular to a sheet metal cabinet with a bunching function. The cabinet comprises a cabinet body, the inner wall of the cabinet body is provided with a placing plate, one side of the cabinet body is provided with a cabinet door, the inner wall of the cabinet body is provided with an adjusting structure, the adjusting structure comprises a connecting plate, the connecting plate is fixedly connected with the cabinet body, one side of the connecting plate is fixedly connected with a plurality of fixing rods, and the fixing rods are fixedly connected with the cabinet body. The arc surfaces of the multiple fixing rods are fixedly connected with limiting rings, the arc surfaces of the multiple limiting rings are fixedly connected with the same fixing plate, and one end of each fixing rod is fixedly connected with a round block. The problems that the internal space of the cabinet is narrow, the equipment needs to be connected with more lines, the lines are easy to wind, the personnel cannot conveniently install the equipment, a lot of time needs to be wasted after the equipment is installed, and the use efficiency of the equipment is greatly reduced are solved.

The utility model discloses an ultra-narrow frame display for airport security check, which comprises a narrow frame display and an aluminum alloy shell, the narrow frame display is packaged in the aluminum alloy shell, an all-aluminum metal back machine is integrally welded on the back of the aluminum alloy shell, and an industrial mainboard is fixed in the all-aluminum metal back machine. According to the ultra-narrow frame display for airport security check, the installation side wall and the all-aluminum metal back machine are arranged, the ultra-narrow frame display can be used in cooperation with airport security check equipment, the display carries the industrial mainboard and is fixed to the aluminum alloy shell through the installation side wall, the industrial mainboard is fixed to the all-aluminum metal back machine, and the stability and the anti-interference capacity of the mainboard are greatly improved; and the risk of vibration and falling and the equipment maintenance cost caused by damage are reduced, and the problems of poor reliability and stability of the display in long-time operation are solved for airport security check which is frequently used and has extremely high equipment security requirements.

The utility model relates to the technical field of electrical equipment, and discloses a single-phase contactless voltage stabilizer, which comprises a voltage stabilizer main body, a top cover is arranged on the top surface of the voltage stabilizer main body, a protective shell is fixed on the outer wall of the top cover, the protective shell is an aluminum hollow plate, a dismounting assembly is arranged in the voltage stabilizer main body, and the dismounting assembly is connected with the voltage stabilizer main body. The dismounting assembly comprises fixing strips fixed to the left side and the right side of the voltage stabilizer body. The protective shell is arranged to protect the voltage stabilizer body, heat of the top cover can be conducted out through the aluminum material of the protective shell, and the heat dissipation effect of the voltage stabilizer body is improved. When the voltage stabilizer body needs to be overhauled, the locking rod can be separated from the top cover and the protective shell through the unlocking frame so that unlocking of the top cover and the protective shell can be achieved, then the voltage stabilizer body can be overhauled by directly sliding the top cover and the protective shell, the disassembly process is simple and convenient, the top cover and the protective shell do not need to be disassembled separately, and the maintenance cost is reduced. And the maintenance efficiency of the voltage stabilizer main body is improved.

Shielding assembly used in an inverter control module, wherein the inverter control module comprises a printed circuit board, characterized in that the shielding assembly comprises the following: a carrier plate designed as a sheet metal part; a rectifier housing installed on the carrier board, wherein the rectifier housing and the carrier board together form a mounting space configured for the installation of the printed circuit board, the printed circuit board being located wholly or partially within the mounting space; wherein, within the mounting space, the rectifier housing is configured to form a heat dissipation channel in the space above the printed circuit board, the space above the printed circuit board referring to a space on a side of the printed circuit board facing away from the carrier board; a shielding cover with an opening, wherein the shielding cover covers the rectifier housing and is firmly connected to the rectifier housing, wherein the edge of the shielding cover at the opening is connected to the outer contour edge of the carrier plate, and wherein the shielding cover, the rectifier housing and the carrier plate form a cage-like structure.