767results about How to "Avoid short circuit" patented technology

The invention discloses a power distribution cabinet with a temperature adjusting function, and relates to the field of power distribution cabinet heat dissipation, the power distribution cabinet with the temperature adjusting function comprises an equipment frame, a square frame fixedly penetrates through the top of the equipment frame, and the power distribution cabinet further comprises a moving device; wherein the moving device comprises a fixed frame, a ventilation plate, a fan, a rotating rod, a circular plate, a rotating plate, a sleeve, a supporting rod, a sliding block, a U-shaped plate, a fixed block, a connecting plate, a moving plate, a connecting block, a bearing block, a square block and a filtering plate, the fixed frame is slidably installed in the square frame, and the ventilation plate is fixedly installed in the fixed frame. According to the power distribution cabinet with the temperature adjusting function, the ventilation effect is achieved by opening the ventilation opening, the situation that the interior of equipment is overheated, and consequently the equipment cannot operate normally is prevented, the humidity in the cabinet can be reduced through good ventilation, meanwhile, the area of the ventilation opening is increased along with increase of the rotating speed of the internal fan, and self-adaptive adjustment can be conducted according to changes of the temperature in the cabinet.

The invention provides a magnetic memory and a preparation method thereof. The magnetic memory comprises a plurality of memory units, at least part of the memory units are arranged along a first direction, and each memory unit comprises a magnetic tunnel junction; at least part of the magnetic shielding structure is located between the adjacent storage units in the first direction, and the magnetic shielding structure and the adjacent storage units are arranged at intervals; wherein the magnetic shielding structures and the adjacent storage units are arranged at intervals. Due to the fact that the magnetic shielding structure is arranged between every two adjacent storage units, the storage area can be saved through the design, meanwhile, the magnetic shielding structures can prevent the storage units from making contact with the magnetic shielding structures to cause short circuit, and the storage units have the anti-magnetic characteristic of an opposite internal magnetic field. Therefore, the magnetic memory has the diamagnetic properties of a vertical magnetic field and an in-plane magnetic field, the diamagnetic capability of the magnetic memory is improved, and the reliability of the magnetic memory in a magnetic field environment is further improved.

The invention relates to the technical field of batteries, in particular to a secondary battery. The secondary battery comprises: a cover plate, wherein a liquid injection hole is formed in the cover plate; the battery cell is arranged below the cover plate, and a tab is arranged on the battery cell; the lower plastic is arranged between the cover plate and the battery cell, and a liquid guide channel is formed in the position, corresponding to the liquid injection hole, of the lower plastic; the liquid guide channel comprises a first cavity and a second cavity; the first cavity faces the cover plate, the second cavity deviates from the cover plate, and the second cavity is arranged opposite to the tab; the secondary battery also includes a separator having a plurality of through holes; and the separator is arranged between the first cavity and the second cavity. According to the secondary battery disclosed by the invention, the separator is arranged between the first cavity and the second cavity, so that the tab is not easy to be attached to the separator, the electrolyte injection channel can be prevented from being blocked by attachment of the tab and the separator, and meanwhile, the tab or the battery cell can be prevented from being damaged by impact of electrolyte.

The invention discloses a manufacturing method of a stator bar of a main insulation structure with a circular inner part and a square outer part, and is suitable for the field of large-scale generator manufacturing. The stator bar is composed of a circular lead formed by twisting and transposing circular strands and a main insulator with a circular inner part and a square outer part, and a more-glue mould pressing or less-glue VPI manufacturing process is adopted. The stator bar with the main insulation structure with the round inside and the square outside has the advantages of clear principle, novel structure, convenient process and easiness in design and manufacture. The lead wire adopts a circular structure, so that the main insulation internal electric field of the stator bar can be greatly reduced, and the electrical performance and the breakdown voltage level of the stator bar are improved. The exterior of the main insulator adopts a square structure, so that the design consistency of the generator and the convenience of process wire embedding can be ensured. The stator bar with the round outside and the square inside can remarkably improve the rated voltage level of a large generator, and has great application prospects and remarkable economic and social benefits.

The utility model relates to a tin bump grinding device which comprises a box body. An upper cover is hinged to the rear side of the top surface of the box body; at least one group of electric grinding cutters are arranged on the front side in the box body; a dust collector is arranged in the box body on the rear side of the electric grinding cutter; a trapezoidal box is arranged between the electric grinding cutter and the dust collector; an opening of the trapezoidal box faces one side of the electric grinding cutter, and the other side of the trapezoidal box is communicated with the dust collector through a first hose; polishing and fixing mechanisms matched with the electric grinding tools in number and position are arranged on the side, facing the electric grinding tools, of the upper cover and used for containing assemblies to be subjected to tin bump removal. The utility model has the advantages that the production efficiency is high, the manpower is saved, the cut chippings cannot be adhered to the surface of the component, the appearance of the product is not influenced, and the short circuit caused by the chippings is avoided.

The single battery comprises a shell, end covers, a pole group and tabs connected to the two ends of the pole group, the pole group and the end covers are both located in the shell, the end covers are located at the two ends of the pole group, the tabs penetrate through the end covers, the end covers comprise the first end cover and the second end cover, and the first end cover and the second end cover are connected. A containing cavity is defined between the first end cover and the second end cover, and the tab is located in the containing cavity. According to the single battery disclosed by the utility model, the end covers are arranged at the two ends of the pole group, the tabs penetrate through the end covers, each end cover consists of the first end cover and the second end cover which are connected, and the first end cover and the second end cover can be used for isolating the contact between the tabs and the shell and preventing the short circuit of the single battery; and the processing mode and the assembling mode of the end cover are simple.

The embodiment of the invention provides an electrode assembly and a battery with the same. The electrode assembly comprises a positive plate, a diaphragm and a negative plate which are stacked and wound, the positive plate comprises a positive current collector and a positive active layer, the positive active layer comprises a first positive active layer and a second positive active layer which are arranged on the two opposite sides in the thickness direction of the positive current collector, and the first positive active layer is provided with a tab groove and at least one first concave part; the at least one first concave part is distributed in the first area of the first positive electrode active layer, a positive electrode lug is arranged in the lug groove and electrically connected with the positive electrode current collector, the positive plate is provided with a first plate edge and a second plate edge in the width direction, and the lug groove, the first area and the first plate edge are arranged on the same side in the width direction of the positive plate; the first region extends along the length direction of the positive plate, and a distance D1 is formed between the first region and the tab groove, and D1 is greater than or equal to 0.2 mm. According to the technical scheme, the risk of lithium precipitation at the side edge of the tab can be reduced.

The invention belongs to the technical field of lithium metal battery preparation, and particularly relates to a metal lithium negative electrode high-entropy current collector and a preparation method and application thereof. The preparation method of the metal lithium negative electrode high-entropy current collector comprises the following steps: with a current collector as a substrate, sputtering a high-entropy alloy target material on the current collector substrate by adopting a first magnetron sputtering mode to construct a high-entropy coating; sputtering a metal lithium target material on the surface of the high-entropy current collector by adopting a second magnetron sputtering mode, and depositing to obtain a metal lithium film layer; the metal lithium negative electrode high-entropy current collector is obtained. The high-entropy coating is deposited on the current collector substrate through magnetron sputtering, and due to the physical and chemical properties of the high-entropy coating, the surface energy state is regulated and controlled by regulating and controlling the components of the high-entropy coating, so that the nucleation potential barrier of lithium can be reduced, and the nucleation growth process of the lithium can be regulated and controlled; and lithium is uniformly deposited on the current collector, so that the cycling stability and the cycling coulombic efficiency of the high-specific-energy metal lithium negative electrode are ensured.

The invention discloses an offshore platform low-noise anti-explosion air-air cooler, and relates to the technical field of coolers, the offshore platform low-noise anti-explosion air-air cooler comprises an air cooler assembly, the outer surface of the air cooler assembly is fixedly connected with a cleaning assembly used for cleaning putty, and the outer surface of the cleaning assembly is fixedly communicated with a pneumatic assembly used for driving the cleaning assembly to operate; the cleaning assembly comprises two fixing cylinders and a plurality of cleaning rings. According to the low-noise anti-explosion air-to-air cooler for the offshore platform, a first one-way valve and a second one-way valve are alternately opened, so that gas acts in a fixed cylinder through a first circulating pipe and a second circulating pipe, and then a push rod fixed by a sealing piston can make a whole cleaning assembly alternately move towards the two ends in a reciprocating mode; and the heat exchange tube is cleaned in time through a cleaning brush installed on the inner wall of the cleaning ring, and the situation that putty accumulated on the surface of the heat exchange tube is difficult to clean is prevented.

The coupler assembly comprises an upper coupler and a lower coupler which are matched with each other, the bottom of a shell of the upper coupler is recessed upwards to form an accommodating cavity, a first row of pin groups and a second row of pin groups are arranged in the accommodating cavity, and the number of pins of the first row of pin groups is larger than that of pins of the second row of pin groups. The contact pins of the two rows of contact pin groups are distributed in a staggered mode to form a trapezoidal structure, wires connected with the contact pins of the second row of contact pin groups can penetrate through gaps between the contact pins of the first row of contact pin groups, and then the wires connected with the contact pins of the first row of contact pin groups extend out of the upper coupler shell on one side of the first row of contact pin groups together with the wires connected with the contact pins of the second row of contact pin groups. A wire connected with the pins of the second row of pin group can be connected with an electronic device on one side of the first row of pin group without being bent, and the phenomena of wire pressing and wire clamping easily occurring on the bent part of the wire in the coupler installation process are avoided. Without bending the lead, the probability of lead damage is reduced, and the service life of the lead is prolonged.

The invention discloses a flat wire stator and a manufacturing method thereof, and a tool used for manufacturing the flat wire stator, the tool is arranged in a stator winding, the tool is opened to support the stator winding, and then a stator core block is inserted between two adjacent vertical winding coil groups to form a stator core. According to the two flat wire stators and the manufacturing method, the stator winding does not need to be shrunk forcibly, the stator winding is not abraded, the percent of pass of the flat wire stators is improved, installation is more convenient, and working efficiency is improved. And the stator winding is integrally formed, so that the upper end and the lower end of the winding do not need to be shaped, the height of the end part of the stator can be shortened, and the motor performance is also improved.

The invention relates to the technical field of piezoelectric actuators, and provides a piezoelectric actuator array structure for a deformable mirror and the deformable mirror, the piezoelectric actuator array structure for the deformable mirror comprises a piezoelectric actuator array and a base, the piezoelectric actuator array comprises a plurality of piezoelectric actuators, and the ends of the plurality of piezoelectric actuators are fixed on the base; the piezoelectric actuator comprises an actuator body and a leading-out piece connected to the actuator body, and the base is provided with a first penetrating hole for the leading-out piece to penetrate through. A first through hole is formed in a base, so that a lead-out piece is led out from the end part of a piezoelectric driver and penetrates through the first through hole to be connected with other devices; compared with leading-out wires led out from the side portions of the piezoelectric actuators, when the number of the piezoelectric actuators of the piezoelectric actuator array is large, it is guaranteed that the leading-out pieces are clean and tidy when being led out, the distance between the piezoelectric actuators can be reduced, the piezoelectric actuator array is arranged in a limited space in a high-density mode, the space utilization rate is increased, and the service life of the piezoelectric actuator array is prolonged. And miniaturization of the deformable mirror is facilitated.

The invention discloses a wire electrode workpiece differential synchronous fluctuation micro-electrolysis wire cutting machining method which comprises the steps that a wire electrode and a workpiece conduct synchronous fluctuation and differential movement at the same time, and synchronous fluctuation is continuous swing that the wire electrode and the workpiece incline upwards and downwards synchronously; the synchronous fluctuation of the line electrode and the workpiece enables the electrolyte in the machining area to flow along the reverse direction of the synchronous fluctuation, so that the machined product is scoured and flows out by the electrolyte along the reverse direction of the synchronous fluctuation; the differential motion is the same-direction differential motion of the line electrode and the workpiece in the machining direction, so that the line electrode and the workpiece are in a different-speed chasing type motion state in the machining direction, real-time transposition of a machining area is achieved, and electrolyte in a machining gap is updated; the device has the advantages that machining products in machining gaps are thoroughly scoured in all directions, electrolyte in the machining gaps fully flows, uniform distribution of conductivity is improved, and machining stability, machining precision and machining efficiency are improved.

The invention provides an ultra-high-speed electric connector which comprises an insulating body, the insulating body is provided with a lengthwise slot, a plurality of terminal slots are formed in lengthwise side walls on the two sides of the slot respectively, and a fool-proof part is arranged in the slot and used for dividing the insulating body into a power supply and low-speed signal area and a high-speed signal area which are located on the two sides of the fool-proof part; the plurality of 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 two sides of every two adjacent differential signal terminals are respectively provided with a grounding terminal; every two adjacent differential signal terminals and two grounding terminals located on the two sides of the two differential signal terminals form a terminal module, and the two differential signal terminals and the two grounding terminals of each terminal module and an insulating block inserted into the insulating body are formed in an embedded mode. The ultra-high-speed electric connector can enable signal transmission to be better and more stable.

The utility model belongs to a refrigerator motor junction box protection device in the technical field of refrigerators. Comprising a junction box body (1), the top of the junction box body (1) is communicated with the lower end of an air inlet pipeline (2), the bottom of the junction box body (1) is communicated with one end of an exhaust pipeline (3), the upper end of the air inlet pipeline (2) is communicated with a nitrogen supply component (4), and the other end of the exhaust pipeline (3) is communicated with a nitrogen recovery component (5). According to the refrigerator motor junction box protection device, the condensation phenomenon in the junction box is avoided, the explosion risk caused by the short circuit of the outgoing line insulating sleeve is avoided, the failure rate is reduced, the equipment safety is improved, the replacement cost caused by the short circuit fault of the motor junction box is saved, and the cost is reduced.

The application discloses a double-hearth two-stage heating vacuum distillation furnace, which comprises an evaporation furnace and a condensation furnace which are communicated through a gas passage, wherein the evaporation furnace comprises an evaporation furnace body and at least one top heating mechanism which is detachably arranged on the top of the evaporation furnace body; and the condensation furnace comprises a condensation furnace body, a side heating structure and a furnace cover, wherein the condensation furnace body is divided into a temperature control condensation chamber and a plurality of layers of multistage condensation chambers, and the gas passage can be combined or replaced according to the required reaction conditions of different materials. The vacuum distillation furnace can collect different metals through the gradient change of the temperature of the two hearths, reduces the process of secondary distillation of volatile matters after the furnace is stopped, can complete the processing of diversified raw materials, improves the work efficiency and reduces the processing cost; the modular top heating mode directly radiates heat to the materials, improves the heat utilization rate, can realize the working mode of stopping the furnace without stopping the work, helps to improve the work efficiency, and is convenient for completing the furnace cleaning, maintenance and solid material taking and placing.

The invention provides a three-dimensional composite solid electrolyte membrane, a preparation method thereof and an all-solid-state lithium metal battery. Comprising a homogeneous gel buffer layer, a porous middle layer and a polymer substrate layer which are stacked. In the three-dimensional composite solid electrolyte membrane, the homogeneous gel buffer layer has relatively high mechanical strength and elastic modulus, and can prevent lithium dendrites from puncturing the diaphragm to cause short circuit of the battery; the porous middle layer can increase the contact area between the film layers on the two sides and the electrode, more transmission channels are provided for lithium ions, transmission resistance is reduced, the ionic conductivity is improved, the battery can be charged and discharged more rapidly, the rate performance of the battery is improved, meanwhile, the excellent mechanical stability is achieved, and the cycle life of the battery is prolonged; the polymer substrate layer has excellent mechanical strength and interface stability. The three film layers cooperate to effectively inhibit chemical side reactions between the three-dimensional composite solid electrolyte film and the positive and negative electrodes, reduce the interface impedance and improve the overall electrochemical performance of the battery.

The invention discloses an energy supply transformer and a monitoring system and method. The energy conversion unit comprises a shell, a sealing terminal, and an iron core, a primary winding, a secondary winding, an insulating supporting plate, an insulating limiting plate, an insulating partition plate, an insulating pad and a metal support which are arranged in the shell; the sealing terminal is arranged on the shell and is used for sealing and leading signals in the shell out of the shell; one end of the metal support is fixed with the iron core through the insulation pad, and the other end of the metal support is fixed on the inner wall of the shell; the primary winding and the secondary winding are coaxially arranged with the iron core and are sleeved outside the iron core; the insulating support plate is arranged between the winding and the iron core and fills a gap between the winding and the iron core; the insulating limiting plate and the iron core are coaxially arranged; the insulating supporting plate and the insulating limiting plate are made of high-dielectric-constant materials. And an insulating partition plate is arranged between the primary winding and the secondary winding. The invention aims to solve the problems that a cantilever beam structure is large in stress, poor in heat dissipation performance and large in boundary dimension, and a voltage-sharing capacitor needs to be arranged.

The utility model discloses a top cover assembly of a battery and a single battery. The top cover assembly of the battery comprises a cover body, a pole, a riveting block and an upper insulating part, the cover body is provided with a mounting hole which penetrates through the cover body in the thickness direction of the cover body and allows the pole to penetrate through; the riveting block is positioned on one side of the cover body in the thickness direction and is fixedly sleeved on the pole; the upper insulating part comprises a first insulating section, a second insulating section and a third insulating section, the first insulating section sleeves the pole and is located between the riveting block and the cover body, the second insulating section sleeves the riveting block, and one end, close to the cover body, of the second insulating section is connected with one end, away from the center of the pole, of the first insulating section; the third insulating section is annular and is positioned on one side, deviating from the cover body, of the riveting block; one end, deviating from the center of the pole, of the third insulating section is connected with one end, deviating from the cover body, of the second insulating section. According to the top cover assembly of the battery, disclosed by the utility model, the short circuit risk can be reduced, the safety of the battery is improved, and the maintenance cost is reduced.

The invention relates to the technical field of sensors, in particular to a composite sensor structure, a waterproof and dustproof assembly and a waterproof and dustproof method thereof.The waterproof and dustproof assembly comprises a mounting shell, the mounting shell is arranged at the top of a shell, a through hole is formed in the middle of the mounting shell, and a rotating shaft is rotationally arranged in the mounting shell; a through hole is formed in the outer shell, a soft filter screen is arranged in the mounting shell and wound on the outer sides of the two rotating shafts, a connecting pipe is arranged between the mounting shell and the outer shell and communicates with the through hole, the heat dissipation copper plate is located in the connecting pipe, and the top of the heat dissipation copper plate is arranged to be in an arc shape. When a detection value of the temperature sensor reaches a first threshold value, the fan blades rotate to generate wind power, auxiliary heat dissipation is carried out on the heat dissipation copper plate under the action of the wind power, and hot air is discharged from the air outlet groove, so that impurity removal and drying are carried out between the base and the PCB, and short circuit of pins is avoided.

According to the double-cathode and double-liquid-supply diffuser blade nesting electrolysis device and the machining method, double-channel liquid supply is adopted, liquid is supplied to the whole molded surface of a blade through a main channel, meanwhile, liquid is supplied to the blade basin direction and the blade back direction of the blade through an auxiliary channel, the flow of a machining area is greatly increased, a low-speed area is reduced, product discharging is facilitated, and the machining efficiency is improved. The processing stability is improved. Besides, double cathodes are adopted, when the main cathode corrodes the blade surface, the auxiliary cathode is used for removing the allowance distributed in the blade basin direction and the blade back direction at the same time, short circuit caused by the fact that the wedge block is clamped between the cathodes and a workpiece after root breaking is prevented, machining stability is improved, and machining efficiency is improved. The problem that the processing stability is poor due to short-circuit burn of the diffuser in the trepanning electrolysis process is solved.

The present invention belongs to the technical field of battery maintenance, and discloses a new energy vehicle battery maintenance device, including a base, the upper surface of the base is provided with installation grooves at equal intervals, the front and rear sides of the bottom of the installation groove are symmetrically provided with card slots, the upper surface of the base is fixedly provided with a installation shell, the upper surface of the installation shell is provided with a plurality of guide grooves at equal intervals, the sides of the guide grooves are symmetrically provided with side grooves, and the middle of the front and rear side grooves are fixedly sleeved with electric heating plates. The mercury inside the telescopic sleeve is heated and expanded, so that the expanded mercury inside the telescopic sleeve pushes the telescopic end of the telescopic sleeve to move upward, and the telescopic end of the telescopic sleeve drives the heat-conducting plate to move upward and contact the heat dissipation plate through the electric plate. At this time, the heat dissipation plate dissipates heat to the battery through the sleeve column and the heat-conducting plate, thereby solving the problem of low charging and discharging efficiency and shortened life of the battery when the battery works in a high or low temperature environment.

The embodiment of the invention discloses nursing equipment and an energy charging assembly, and a switch module is connected in series in a power supply circuit at the end of the energy charging assembly, so that the on-off of the power supply circuit for charging a nursing equipment body is controlled through the switch module. And if the first control module at the nursing equipment body determines that the conductive foreign matter exists at the electrical interface, a feedback signal is sent to the second control module. The second control module controls the switch module to be disconnected after receiving the feedback signal, so that the power supply circuit is disconnected, and the power supply circuit for charging the nursing equipment body is further disconnected. The power supply of the nursing equipment body is disconnected from the energy charging assembly end, power-off protection is formed, short circuit of the power supply circuit at the electrical interface is avoided, and the charging safety of the equipment is improved.

The utility model relates to electronic protector technical field, concretely is a kind of TVS device with automatic open circuit protection function, including device body, automatic open circuit protection mechanism and pin connecting mechanism, and automatic open circuit protection mechanism and pin connecting mechanism are fixedly connected in the inside of device body, in the utility model, through the setting of fusible wire, temperature sensor and memory alloy spring, the automatic open circuit protection of TVS device when encountering abnormal overcurrent or overvoltage is realized, fusible wire can rapidly fuse, and timely cut off circuit connection, prevent the further expansion of fault range, temperature sensor real-time monitoring temperature, when temperature abnormally rises, memory alloy spring will rapidly change under the signal driving of temperature sensor, the pressure generated by its deformation can assist fusible wire to fuse more quickly when reaching fusing temperature, greatly shorten the response time of automatic open circuit protection, greatly improve the security and reliability of circuit.

A relay includes a contact cavity, a contact assembly, a breaking assembly, and a retaining member. The contact cavity includes a yoke plate. The contact assembly includes a stationary contact and a movable member, the movable member including a movable contact and a push rod member, the movable contact mounted on the push rod member, the push rod member movable relative to the yoke plate to move the movable contact to contact or separate from the stationary contact, the movable contact and the stationary contact being capable of forming at least one conduction path when the movable contact contacts the stationary contact. The breaking assembly includes an impactor, the breaking assembly configured to release the impactor in response to an activation signal to impact the movable member to break at least one of the at least one conduction path. The retaining member is connected to one of the yoke plate and the push rod member, the retaining member configured to cooperate with the other of the yoke plate and the push rod member to retain the push rod member at a predetermined position when the breaking assembly breaks at least one of the at least one conduction path.

The utility model discloses a hand warming bag, which comprises a cushion body, a heating element, a first heating element and a second heating element, and is characterized in that the cushion body is folded and bent to form a sleeve with a first accommodating space; the first locking structure is arranged on the cushion body and is used for keeping the shape of the sleeve; the heating sheet is arranged on the pad body or in the pad body so as to increase the temperature of the pad body or increase the temperature of the accommodating space; the electric control module is arranged on the pad body and is connected with the heating piece through a wire; the power supply circuit is connected with the electric control module, and a second containing space used for containing the power supply circuit and communicating with the external environment is formed in the pad body. And the power supply circuit is arranged in the second accommodating space. The power supply line is taken out from the second storage space when the power supply line needs to be used, and the power supply line is put back into the second storage space when the power supply line is used or needs to be stored. Damage caused by long-term leakage of the power supply line is avoided.

This invention discloses a co-integrated device for a low-crosstalk RF front-end and array antenna for millimeter-wave radar, comprising a main board, a shielding plate, an RF module, and an array antenna module. The shielding plate is horizontally positioned above the main board, and a frame is provided outside the shielding plate. Support columns are vertically mounted at the four corners of the frame and between the shielding plate and the main board. A sub-plate is mounted on the surface of the shielding plate, and the array antenna module is mounted on the surface of the sub-plate. An antenna cover is mounted on the sub-plate to cover the array antenna module. The RF module is mounted on the side of the main board away from the shielding plate, and the pins of the RF module are soldered and fixed to the main board. Pressure bars are provided on both sides of the pins to hold them in place. This invention has a simple structure and actively manages and reduces electromagnetic crosstalk between the array antenna and the RF front-end through a combination of increased distance, physical shielding, and adjustable position; at the same time, the pin-fixing structure enhances the mechanical reliability of the RF module.

The utility model discloses a connecting line assembly and electronic equipment. The connecting line assembly comprises a connector, a signal line group, a power line group and a separator. The connector comprises a connector shell, a plurality of first terminals and a plurality of second terminals, wherein the first terminals and the second terminals are located in the connector shell. The signal line group is used for transmitting signals, and the signal line group connecting ends of the signal line group are correspondingly connected with the plurality of first terminals; the power line group is used for transmitting electric energy, and power line group connecting ends of the power line group are correspondingly connected with the plurality of second terminals; and the separator is positioned in the connector shell and is isolated between the signal line group connecting end and the power line group connecting end. According to the connecting line assembly provided by the embodiment of the invention, the signal line group and the power line group are respectively used for transmission of high-frequency signals and electric energy through a mode of combined use of the signal line group and the power line group, so that the signal transmission and power supply requirements of the electronic equipment are met.

The present invention relates to the technical field of shipwreck salvage, and in particular to an underwater shipwreck salvage device, comprising a salvage airbag, wherein the outer wall of the salvage airbag is provided with a fixing mechanism, the outer wall of the salvage airbag is fixedly connected to a fixing frame, the top of the fixing frame is provided with an electrical mechanism, the inner wall of the salvage airbag is provided with a supporting frame, and the outer wall of the fixing frame is installed with a protective net; the fixing mechanism comprises a mounting plate fixedly connected to the outer wall of the salvage airbag, the outer wall of the mounting plate is fixedly connected to a fixing sleeve on a side away from the salvage airbag, and the interior of the fixing sleeve is slidably connected to a piston plate. By designing an underwater shipwreck salvage device, the fixing mechanism in the device is used to fix and install the salvage airbag, thereby solving the problems that the existing salvage airbag generally needs to be fixed on the underwater shipwreck by diving construction personnel using tools such as bolts or wire ropes, the underwater environment is relatively harsh, the fixing operation is time-consuming and labor-intensive, and the work efficiency is low.

The invention discloses a new energy electric vehicle charger with a circuit board capable of achieving rapid heat dissipation and a heat dissipation method, and relates to the field of electric vehicle chargers. The new energy electric vehicle charger comprises a charger body, an auxiliary assembly is arranged below the charger body, and a shielding assembly is arranged at the top end of the charger body; the bearing box is fixed to the bottom end of the charger body, the auxiliary assembly is used for bearing the charger body after the charger body is heated, external heat absorbed by the charger body is reduced, the shielding assembly comprises a storage box, and the storage box is fixed to the top end of the charger body. Therefore, heat of the asphalt or concrete ground cannot be transmitted to the charger main body, the working temperature of the charger main body is prevented from being increased due to high temperature of the asphalt or concrete ground in summer, the temperature of the charger main body cannot be rapidly increased due to an external heat source, and a circuit board in the charger main body can continuously work at high temperature. Sources for the charger body to absorb heat sources from the outside are reduced.