336results about How to "Reliable electrical connection" patented technology

The utility model provides a battery box and a battery, and relates to the technical field of batteries. The battery box comprises a box body, a box cover and a conductive part; the box cover covers the box body to define a mounting cavity; the conductive part has elasticity and is located in the installation cavity, one of the box cover and the box body is connected with the conductive part, the other one of the box cover and the box body abuts against the conductive part, and the conductive part is in an elastic compression state. According to the invention, the elastic conductive part is used as the conductive part between the box body and the box cover, and the conductive part is in the elastic compression state, so that the conductive part can be kept to abut against the box body and the box cover based on the elasticity of the conductive part, the electric connection between the box body and the box cover is reliable, and a bolt does not need to be configured for locking. Therefore, a battery production line does not need to be provided with a bolt locking station, so that the production efficiency of the battery can be improved, and the production cost of the battery can be reduced.

The invention discloses an OLED screen body laser repairing device and a defect repairing system, and belongs to the technical field of OLED flexible display screen processing. The OLED screen body laser repairing device comprises a base, a portal frame, a repairing mechanism and a detection mechanism, the portal frame is fixedly arranged on the base, the repairing mechanism comprises a laser unit, the laser unit is used for repairing an OLED screen body, the detection mechanism is used for collecting defect information on the OLED screen body, and the detection mechanism and the repairing mechanism are arranged on the portal frame in a spaced mode. According to the OLED screen body laser repairing device and the defect repairing system, the portal frame is fixed on the base, so that the defect repairing process of the OLED screen body can be carried out in a mode that the portal frame is fixed, the repairing effect of the OLED screen body is improved, and the repairing efficiency and yield of the OLED screen body are improved.

The invention relates to the technical field of conductive connecting devices, and particularly discloses a grounding electric connector which is characterized in that a second male end body is in elastic sliding connection with a first male end body, a sealing cavity is formed in the second male end body, and a pin module is fixedly arranged on the first male end body and is arranged in the sealing cavity; the second male end body is provided with a first opening communicated with the sealing cavity, and a first sealing door is rotationally embedded in the end part; one end of the connector female end is provided with a groove used for containing the second male end body in a sealed mode, the connector female end is provided with a second opening communicated with the jack module and the groove, a second sealing door is rotationally embedded in the part, and a driving mechanism is arranged between the second sealing door and the first sealing door. According to the grounding electric connector, the first sealing door and the second sealing door can protect the contact pin and the jack in a normal state, and a closed environment can be provided for the connection position of the contact pin and the jack through cooperative use of the groove and the second male end body, so that dustproof treatment of the contact pin and the jack is realized, and excellent and reliable electric connection is ensured.

The invention discloses a packaging structure and a packaging method of a Mini / Micro LED (Light Emitting Diode) chip. The packaging method comprises the following steps: respectively carrying out electrostatic polarization treatment with opposite charge polarities on conductive particles and a bonding pad of a substrate, and adsorbing the conductive particles on the bonding pad of the substrate; each conductive particle comprises a metal conductive ball and a conductive adhesive coating the surface of the metal conductive ball; an LED chip is attached to the substrate in a counterpoint mode, and a bonding pad on the LED chip makes contact with the corresponding conductive particles; hot-pressing the LED chip, melting the conductive adhesive through heat conduction, and fixing the LED chip on the substrate through the conductive adhesive after cooling; and coating a plastic packaging material on the substrate to wrap the LED chip, and curing to complete packaging of the LED chip. According to the technical scheme, the LED chip packaging process can be simpler, more convenient and faster, stable mechanical connection and excellent electrical connection between the LED chip and the substrate can be achieved, and the problem of chip damage caused by too high temperature is effectively avoided.

The invention provides a chip module, a developing box, a processing box and an electrophotographic imaging device, the chip module comprises a mounting base, a forced pushing block and a chip assembly, the mounting base is provided with a guide groove, the forced pushing block is slidably mounted in the guide groove, the guide groove penetrates through the mounting base in the forced pushing direction of the forced pushing block, the chip assembly comprises a substrate and a contact elastic sheet group, and the contact elastic sheet group is arranged on the substrate. The base plate is installed on the installation seat, the contact elastic piece set is installed on the base plate and electrically connected with the base plate, a part of the contact elastic piece set is located at the downstream end of the guide groove in the forced pushing direction, and when the forced pushing block is pushed to move in the forced pushing direction, the forced pushing block can push the contact elastic piece set to elastically deform back to the guide groove. And enabling the contact elastic sheet group to be in contact with a contact pin group in the electrophotographic imaging equipment. A processing box is arranged in the electrophotographic imaging equipment, the processing box comprises a developing box, the developing box is provided with the chip module, and the chip module can ensure that the chip assembly is stably and electrically connected with an electric contact pin in the electrophotographic imaging equipment and does not hinder the installation of the developing box.

The invention discloses a mini air pump for tire inflation, and relates to the technical field of inflation pumps, the mini air pump comprises a front cover, a rear cover and a box body enclosed by the front cover and the rear cover, and further comprises a locking assembly arranged on one side of the front cover and used for fixing an accessory box and an air pressure piston assembly arranged in the front cover and the rear cover, the air pressure piston assembly is arranged in the box body, an air inlet of the air pressure piston assembly is connected to an air inlet groove in the box body, the storage battery and the motor core are arranged in the box body in parallel, the space occupied area of the storage battery and the space occupied area of the motor core are optimized and reduced, the specification of the whole air pump can reach 90 mm * 90 mm * 37 mm, and the size of the whole air pump can reach 90 mm * 90 mm * 37 mm. And meanwhile, through the arranged air tap connector, an air pipe is not needed, an air pump can be directly connected to a tire of an automobile or a bicycle for inflating, and the tire inflating efficiency of people is improved.

The invention discloses a power transmission piece, an electric connection assembly and a charging seat. The power transmission member comprises: an aluminum bar having a connection end; and the adapter is connected to the connecting end of the aluminum bar and is used for electrically connecting the aluminum bar to the terminal. A connecting hole is formed in the adapter, and the connecting hole penetrates through the adapter in the thickness direction of the aluminum bar, so that the power transmission piece can be fastened to the terminal through the connecting piece penetrating through the connecting hole. When the power transmission piece is fastened on the terminal, the adapter piece is in direct electric contact with the terminal, and the aluminum bar is not in contact with the terminal and is electrically connected to the terminal through the adapter piece. The adapter and the terminal are copper parts, copper alloy parts or conductive parts with copper-plated surfaces, so that the electrical contact surfaces of the adapter and the terminal are made of copper or copper alloy. Therefore, the problem of electrochemical corrosion can be effectively avoided, the service life of the product is prolonged, and the electrical connection performance of the product is improved.

The invention relates to the technical field of connectors, and particularly discloses a connector with a shielding function, which comprises a shell and a circuit board accommodated in the shell, the circuit board is provided with conductive welding spots and a grounding part, the circuit board is connected with an external cable through a conductive group, the circuit board is provided with a housing used for separating the plurality of conductive welding spots, the housing is provided with a shielding assembly used for covering the conductive welding spots, and the shielding assembly comprises a cover body made of a magnetic isolation material. The arrangement of the housing can effectively separate and protect a plurality of conductive welding spots on the circuit board, prevents short circuit or mutual interference among the conductive welding spots, improves the reliability and stability of the circuit board, and the shielding assembly can further enhance the protection of the conductive welding spots, reduces the interference of an external electromagnetic field on the conductive welding spots through the shielding effect, and improves the reliability of the circuit board. And meanwhile, an electromagnetic field generated by the conductive welding spot is prevented from influencing the external environment.

The invention relates to the technical field of semiconductor device packaging, and discloses a stacked packaging method and a packaging structure. The stack packaging method comprises the following steps: providing a first device layer which comprises a first surface and a second surface with a plurality of first bonding pad points; forming a first conductive column at the first bonding pad point; providing a second device layer, wherein the second device layer comprises a third surface with a plurality of second bonding pad points and a fourth surface; forming an insulated and annular first box dam structure with a first accommodating space at the second bonding pad point; the first accommodating space is filled with conductive glue; the first device layer is fixed on the second device layer, and the first conductive columns are in contact with the conductive glue in the first box dam structure; and curing the conductive glue to form a first conductive glue layer which is fixedly bonded with the first conductive upright post. The first conductive columns and the conductive glue in the first box dam structure are reinforced and connected, electrical and structural interconnection is achieved, the subsequent reflow soldering process is prevented from affecting the device stacking and interconnection reliability, and stacking packaging of multiple device layers is achieved.

The invention provides a multi-contact motor forward and reverse rotation control device. The multi-contact motor forward and reverse rotation control device structurally comprises a rotatable movable contact, an elastic telescopic rod, a sliding push rod and an electromagnetic assembly. The electromagnetic assembly serves as driving force to achieve rapid switching of the position of the movable contact so as to control forward and reverse rotation of the motor. The movable contact is designed to be sequentially connected with the fixed contact; and the sliding push rod is matched with a reciprocating boosting block on the back surface of the movable contact to realize rapid and stable movement of the movable contact. The device adopts a miniaturized design, is compact in structure, saves space, and is convenient to install and integrate into various electrical control systems. In addition, due to the scraping effect of the movable contact in the switching-on process, the fixed contact is automatically cleaned, contact fusion welding is effectively prevented, and the safety of the system is enhanced. The device is simple in structure, low in maintenance cost, easy to disassemble and maintain, capable of ensuring safe disconnection even under the condition that the reset spring fails, and suitable for wide industrial automation application.

The invention discloses a radio frequency coaxial switch, and relates to the technical field of radio frequency connectors, and the switch comprises a switch body, the bottom of the switch body is fixedly connected with an installation butt joint structure, the installation butt joint structure is used for guaranteeing that an internal microstrip transmission line carries out signal transmission on a circuit board through a shielding cover, and a dynamic contact point regulation and control assembly is matched with a dynamic regulation and control assembly. Contact pressure can be automatically adjusted, it is ensured that communication signals are accurate, the contact pressure can be integrally and effectively adjusted automatically according to high-frequency signals or low-frequency signals, error codes of the communication signals caused by poor contact are reduced, the overall operation performance is improved, magnetic particles are gathered in the flexible superconducting contact points in the specific direction, and the contact quality is improved. The contact pressure is increased or reduced, so that the overall signal transmission performance can be improved, the signal loss and reflection can be reduced, and the reliability and efficiency of the radio frequency coaxial switch in different frequency signal processing can be improved.

The invention discloses an adapter and a track socket, the adapter comprises a socket body and a guide seat, the socket body is arranged on the guide seat, the socket body is provided with a plug bush assembly, a rotatable movable conductive assembly and a rotating member, and the plug bush assembly is electrically connected with the movable conductive assembly. When the rotating piece rotates, the limiting blocking piece and the movable conductive assembly are driven to unfold or fold relative to the guide seat; according to the adapter, the limiting blocking piece is additionally arranged, so that when the adapter is installed on the power rail, the limiting blocking piece can be matched with the corresponding limiting structure on the power rail to reduce or limit the movement of the adapter generated when the plug is pulled out, namely, the movement of the movable conductive assembly is reduced or limited; instant arc generated by friction between the movable conductive assembly and the track conductive sheet assembly of the power track is reduced, stable electric connection of the movable conductive assembly is facilitated, and the service life of the movable conductive assembly is prolonged.

The utility model relates to the technical field of electroplating, and discloses a waste liquid treatment device and an electroplating system. The waste liquid treatment device comprises an installation frame, a treatment box, an anode plate and a cathode plate, the treatment box is installed in the installation frame and suitable for being immersed in waste liquid, the treatment box comprises a box body with a cavity and an opening formed in the top of the box body, at least one side face of the box body is provided with a hollowed-out hole, and the hollowed-out hole is covered with an ionic membrane; the ionic membrane is used for separating water molecules and acid radical ions in the waste liquid, the anode plate is arranged in the cavity from the opening and is suitable for introducing the acid radical ions into the cavity, and the cathode plate is arranged in the waste liquid outside the treatment box and is electrically connected with the anode plate. Acid radical ions in the waste liquid enter the cavity to be concentrated and are effectively separated from water molecules in the waste liquid. Main pollutants in the separated waste liquid are removed, so that the separated waste liquid can be reused, the waste of water resources is reduced, the discharge amount of the waste liquid is reduced, and the treatment cost of the waste liquid is effectively saved.

The invention discloses a high-temperature-resistant, low-smoke, halogen-free, flame-retardant and fire-resistant polyolefin cable, relates to the technical field of cables, and aims to solve the problems that a cable core twisting or welding mode is often adopted for connection of a traditional polyolefin cable in the prior art, operation is troublesome, time and labor are consumed, cable core connection of the cable cannot be conveniently carried out, and practicability is poor. The cable body comprises a cable core and a functional sleeve, the cable core comprises a wire core and an inner sheath, the wire core comprises a conductor, an inner shielding layer, an inner insulating layer and a wire core protection sleeve, one side of the cable body is provided with a connecting piece, the connecting piece is composed of a connecting column and a winding layer, the two sides of the connecting column are symmetrically provided with jacks respectively, and the winding layer is arranged in the cable body. A plurality of connecting holes are formed in the connecting column, the two ends of each connecting hole are communicated with the two inserting holes respectively, a lower conductive plate is fixedly installed on the lower portion of the interior of the connecting hole of the connecting column, a conductive block is fixedly installed in the middle of the upper portion of the lower conductive plate, and an upper conductive plate is arranged above the conductive block.

The present invention relates to the technical field of electrical connection equipment, and in particular to an insulating spacer, a push-type switching assembly, a track electrical connection and a switching method, which are provided with a load-end conductor, a source-end conductor, a source-end bearing component, a conductive push button and an insulating spacer, wherein the insulating spacer is installed on the source-end bearing component, the conductive push button is slidably arranged on the sliding spacing portion of the insulating spacer along the length direction of the sliding spacing portion, the conductive push button is provided with a conductive contact, the conductive contact is conductively connected to the load-end conductor, the conductive contact is provided with a sliding contact point and an elastic contact portion, and the load-end conductor and the source-end conductor are conductively connected when the elastic contact portion is located at a position corresponding to the conductive window. The insulating spacer, the push-type switching assembly, the track electrical connection and the switching method of the present invention have an integrated insulating spacer design and are insulated as a whole, which facilitates the conductive contact to conductively connect the load-end conductor and the source-end conductor at different positions, and the conductive push button moves smoothly when it is pushed, and it is easy to switch the connection between different circuits.

The present invention relates to a synergistic lightning-resistant composite material and a preparation method thereof. The synergistic lightning-resistant composite material is composed of continuous reinforced carbon fibers, a resin containing conductive carbon nanomaterials and a relatively continuous conductive layer between layers. By controlling the type, composition and content of the conductive nanomaterials, the conductive nanoparticles significantly improve the conductive connection between the fiber layer and the interlayer conductive layer, and also improve the conductivity of the fiber layer and the interlayer conductive layer, thereby reducing the resistance of each component in the thickness direction of the composite material, so that the final composite material has higher thickness-direction conductivity and good lightning-resistant performance.

The utility model provides a semiconductor thermistor temperature sensor, which relates to the technical field of temperature sensors and comprises a coating layer, a lead is fixedly mounted in the coating layer, a mounting shell is fixedly mounted at the bottom end of the coating layer, a circular groove is formed in the bottom end of the mounting shell, a side groove is formed in the inner wall of the circular groove, and the side groove is communicated with the mounting shell. A cylinder is arranged on the inner wall of the circular groove, a side block is fixedly installed on the surface of the cylinder, and a thermistor is fixedly installed at one end of the cylinder. According to the utility model, a worker is allowed to replace different thermistors according to actual application scenes, the flexibility and adaptability of the sensor are improved, the sensor can be suitable for wider temperature measurement requirements, rapid replacement of the thermistors is realized through a simple and visual mechanical structure, and the cost is reduced. A worker can complete the replacement of the resistor only through several simple steps without complicated tools or professional knowledge, so that the maintenance efficiency and the operation convenience are remarkably improved.

This utility model discloses a modular connection structure and smart glasses, including an electronic module component one and an electronic module component two connected by a detachable structure. After the electronic module component one and the electronic module component two are connected in place, a closed electrical circuit is formed, which can realize the quick assembly and disassembly of different modules. Firstly, it can reduce the weight of the wearer when not in use, and secondly, it is convenient for later replacement and maintenance, while also being adaptable to a variety of usage scenarios.

The utility model discloses a piezoelectric ceramic stack, which comprises an electrode assembly, the electrode assembly comprises a plurality of electrode parts which are sequentially overlapped along a first direction, each electrode part comprises a piezoelectric ceramic piece and a metal piece, the metal piece is provided with a through hole, and the through hole is filled with glue; after the adjacent electrode parts are overlapped, the two sides of the metal sheet are attached to the side walls of the piezoelectric ceramic pieces of the adjacent electrode parts respectively, and the piezoelectric ceramic pieces of the adjacent electrode parts are bonded through glue. The metal sheet is attached to the piezoelectric ceramic piece, the electric connection effect is improved, and the influence of the glue layer on the piezoelectric ceramic stack rigidity is avoided. Moreover, when the glue in the through hole is cured, the side surface of the piezoelectric ceramic stack does not generate tensile stress, so that the side surface of the piezoelectric ceramic stack is prevented from generating cracks, and the reliability of the piezoelectric ceramic stack is improved. And finally, the influence of the thickness of the glue on the overall thickness of the piezoelectric ceramic stack can be avoided.

The invention relates to a rotating shaft assembly, a grounding part and electronic equipment, the rotating shaft assembly comprises a rotating shaft and the grounding part, the grounding part is arranged between the rotating shaft and a rotating shaft back cover in the electronic equipment and is electrically connected with the rotating shaft back cover and the rotating shaft to form a grounding circuit, and the grounding part comprises a voltage limiting element. When the voltage in the grounding circuit is greater than or equal to a first threshold value of the voltage limiting element, the voltage limiting element conducts the grounding circuit; when the voltage in the grounding circuit is smaller than the first threshold value of the voltage limiting element, the voltage limiting element disconnects the grounding circuit. The rotating shaft assembly is simple in structure, easy to manufacture and low in cost, the ESD grounding requirement of the rotating shaft back cover and the daily use requirement of a user can be met at the same time, the service life of a metal appearance part outside the electronic equipment is prolonged, and the use safety of the electronic equipment is improved.

The utility model provides a fisheye terminal, which comprises a connecting part, an elastic plugging part and an inserting part which are sequentially arranged, the upper side and the lower side of the elastic plugging part are provided with two surfaces which correspond to each other and are parallel to each other, the two surfaces are respectively concavely provided with blind holes towards the opposite directions, a horizontal connecting wall is formed between the two blind holes, and the horizontal connecting wall is connected with the elastic plugging part. An arc-shaped part bent towards the blind hole in one side is arranged on the horizontal connecting wall in the length direction of the horizontal connecting wall, and the front end and the rear end of the arc-shaped part are disconnected from the horizontal connecting wall. The fisheye terminal provided by the utility model adopts a symmetrical structure, which is more favorable for processing and forming, and the material flow is relatively stable during forming, so that the product is more stable; the terminal is convenient to process on the basis of realizing the functions of the terminal; according to the fisheye terminal with the shape, the elastic contraction and elastic recovery capabilities of the elastic plugging part are increased by using the arc-shaped part, and a supporting block used for supporting the horizontal connecting wall can be arranged during stamping, so that the problem of deformation of the horizontal connecting wall and the side wall of the blind hole is solved.

The utility model provides an antenna and an automobile, and relates to the technical field of automobile accessories. The antenna comprises a base which is used for being arranged on an automobile; the shell is detachably connected to the base; the antenna module is used for receiving radio signals, the antenna module is arranged on the base, and the antenna module is located in the shell; the antenna module is electrically connected with the power supply adaptation module, the power supply adaptation module is detachably connected to the base, the power supply adaptation module is located in the shell, and the power supply adaptation module is used for simultaneously adapting the antenna module to at least two power supplies with different voltages. According to the antenna and the automobile, the applicability of the antenna is improved.

This invention belongs to the field of headphone technology, and specifically relates to a quick-release structure for a headphone battery with elastic contact. It includes: a sound-generating unit with a mounting groove containing a receiver, and at least two inductive elements; and a battery unit with a conductive plate located inside the battery unit. By placing the conductive plate inside the battery unit, leakage caused by contact between the battery electrodes and the external environment is prevented. When the battery unit needs to be placed on the sound-generating unit, the receiver contacts the conductive plate, thereby establishing circuit continuity. This allows for easy assembly and disassembly of the battery unit and the headphone's sound-generating unit. During assembly, simply placing the battery unit on the sound-generating unit allows for automatic alignment and circuit connection through physical contact, eliminating the need for soldering, ribbon cables, or connectors, significantly reducing the difficulty and cost of automated assembly.

The present invention relates to the technical field of packaging structure, and more particularly to a method for packaging an offset stacked DRAM structure. Steps: The DRAM chip is a chip, and the back of the first chip is pasted on a temporary base; the back of another chip is pasted offset on the front of the first chip; the remaining chips are also pasted in this way, and plastic-sealed, and multiple through holes are formed in the stacked chip after plastic sealing by drilling, and each through hole is connected to a chip respectively; conductive material is filled in each through hole to form a TMV structure, and a redistribution layer is formed on the front of the stacked chip after the TMV, and a bump is formed on the redistribution layer, and the temporary base is removed to obtain the required structure; wherein, when offset stacking, it is not calculated from the first chip, but from the second chip thereafter, and the offset direction of every two chips is the same, and the offset direction is changed after every two chips are stacked. The present invention realizes the stacking of multiple DRAM chips, optimizes the packaging structure, and reduces the difficulty of packaging.

The invention belongs to the technical field of power supply devices, and particularly relates to an emergency power supply device based on a virtual power plant, which comprises a box body, a storage battery is arranged in the box body, two binding posts are symmetrically and fixedly connected to the bottom of the storage battery, and a cover plate is detachably mounted on the rear side of the box body. And two connecting sleeves are inserted into the bottom of the box body in a penetrating manner. According to the invention, through the arrangement of the connecting assembly, when overload or short circuit occurs at the binding post, the fuse can be broken from the notch, and then the metal connecting ring can sleeve the insulating column under the pulling of the reset spring, so that the disconnection operation of the binding post and the connecting column is realized, and the safety of household electrical equipment is further protected; moreover, the fused fuse can be completely separated from the upper half part of the fuse under the pulling of the metal connecting ring, thereby avoiding the abnormal discharge caused by the too close fracture part of the conventional fuse, and improving the safety after the fuse is fractured.

The invention relates to the technical field of carbon dioxide capture, in particular to carbon dioxide capture equipment, and aims to solve the problem that existing carbon dioxide capture equipment is low in capture efficiency. In order to achieve the purpose, the carbon dioxide trapping equipment comprises a capacitive adsorption device and a gas separation device, the capacitive adsorption device comprises a plurality of membrane electrode assemblies connected in series, an electrolyte is adsorbed on a diaphragm of each membrane electrode assembly, and a positive plate and a negative plate are attached and fixed to the two faces of each diaphragm correspondingly; the positive waste gas channel and the negative waste gas channel are respectively communicated with a waste gas source and a gas separation device, so that waste gas can flow through the adsorption surfaces of the positive plates and the negative plates, and all the positive plates or all the negative plates can simultaneously adsorb or desorb carbon dioxide when the capacitive adsorption device is charged and discharged; and the low-concentration carbon dioxide mixed gas or the high-concentration carbon dioxide mixed gas enters the gas separation device to be shunted, so that the capture efficiency of the carbon dioxide is improved.

The utility model relates to a module combination type flat cable electric connector, which comprises a first connector and a second connector, the first connector comprises a first base, the surface of the first base is provided with a first boss, the second connector comprises a second base, the surface of the second base is provided with a second boss, and the second boss is provided with a second boss. The first boss and the second boss are connected together in an overlapped mode through a fastener. By adopting the technical scheme provided by the utility model, as the first boss and the second boss are connected in an overlapped manner and then are connected by using the fastener, the two connectors are reliably connected together, the relative sliding between the two connectors is limited, and the reliable electrical connection and the normal operation of the combined electric connector are ensured.

This utility model discloses a short-circuit troubleshooting tool for electronic cigarette batteries. It relates to the field of electronic cigarette testing technology and includes a testing component. The testing component has a replacement component at its bottom. The testing component includes a handle, a connecting part at its bottom, a mounting block at the bottom of the connecting part, and a connection hole at the bottom of the mounting block. The replacement component includes a replacement head, a mounting slot at its top, and a connection plug fixedly installed inside the mounting slot. The mounting block is inserted into the mounting slot, and the connection plug is inserted into the connection hole. The replacement head has a testing head at its bottom, a positioning head at its bottom, and an electrode contact at its bottom. This utility model allows for convenient replacement of the replacement component according to the electronic cigarette battery to be tested, facilitating short-circuit troubleshooting and possessing high practical value.

A power package and an electronic device, the power package comprising: a package substrate, the package substrate being provided with a pad region, the pad region being provided with a protrusion structure; the power device is arranged on the packaging substrate and is electrically connected with the bonding pad area; and the lead frame is welded on the bonding pad area through a solder layer, and the solder layer at least covers the surface of the convex structure and the surface of the bonding pad area. The welding quality between the lead frame and the packaging substrate is improved, and reliable electric connection between the lead frame and the packaging substrate is ensured.

The invention discloses a shell device and foldable electronic equipment. The shell device comprises a hinge mechanism, a shell assembly and a transmission assembly. The hinge mechanism includes a base frame assembly and a support. The shell assembly comprises a shell body, is movably connected with the base frame assembly and moves along with the supporting piece. The transmission assembly comprises a first transmission body, a second transmission body and a third transmission body connected with the first transmission body and the second transmission body. Wherein when the shell device is in a flattened state, the third transmission body comprises a first bending section and at least two second bending sections which are connected end to end, the first bending section is arranged below the supporting surface and connected with the first transmission body, and the second bending sections and the first bending sections which are arranged in the accommodating space are arranged below the first transmission body and connected with the second transmission body. And the other second bending section is connected with the second transmission body. The transmission assembly of the shell device can effectively prevent the flexible display screen from being jacked up, and the large-screen display quality of the foldable electronic equipment can be improved.