50results about How to "Easy to connect to electricity" patented technology

The invention relates to a semiconductor substrate and a preparation method thereof. The semiconductor substrate comprises a substrate, a first insulating protective layer, a metal layer, a second insulating protective layer, and a solder ball. More particularly, an electrical contact pad is arranged on the surface of the substrate; the first insulating protective layer is arranged on the substrate and enables the electrical contact pad to be exposed; the metal layer is arranged on the exposed electrical contact pad; the second insulating protective layer is arranged on the first insulating protective layer and enables a portion of the metal layer to be exposed; and the solder ball is arranged on the exposed metal layer. Because the second insulating protective layer is covered on a portion of the metal layer, when a temperature test is carried out on the semiconductor substrate, problems that the solder ball drops off or fractures and the like can be solved. Furthermore, the invention also provides a preparation method of the semiconductor substrate.

Two or one lightning conductor(s) are arranged above the tower and the pole of the high pressure transmission line, wherein the lightning conductor is not electrified, so the icing of the lightning conductor is more serious than the transmission line, thereby causing high pressure to the tower. Provided is a special lightning conductor of laminated insulation, wherein an isolating transformer is used to load the sleet melting power to the overhead lightning conductor, which causes the lightning conductor heat, thereby realizing the sleet melting of the lightning conductor.

The invention discloses a conveyer with a weighing function. The conveyer comprises a first conveying frame, a first driven wheel is rotatably connected to the left side of the front side of the firstconveying frame, a first drive wheel is rotatably connected to the right side of the front side of the first conveying frame, and the first driven wheel is in transmission connection with the first drive wheel through a first conveyer belt; the first conveyer belt is fixedly connected to the left side of the bottom of the first conveying frame, and a second supporting leg is fixedly connected tothe right side of the bottom of the first conveying frame; and a first transmission wheel is welded to the front side of the first driven wheel, and a first motor is connected to the left side of thesecond supporting leg through a bolt. According to the conveyer with the weighing function, the problem that an existing conveyer can not weigh conveyed materials is solved through an infrared sensor,an electric telescopic rod, a supporting plate, a pressure sensor, a connecting rod, a second conveying frame, a second driven wheel, a second drive wheel, a second conveyer belt, a third transmission wheel, a third supporting leg, a second motor, a fourth transmission wheel, a second transmission belt and a control box.

The invention discloses an ecological environment monitoring device, and mainly relates to the field of ecological environment. The device comprises a concentrator, wherein the concentrator is installed in an area covered by a 4G communication network, and the concentrator is internally provided with a first LoRa wireless module and a 4G communication module for data transmission with the 4G communication network; and a plurality of monitors, wherein each monitor comprises a supporting base. A protective cover is arranged at the top of the supporting base; an opening is formed in the top of the protective cover; a cover plate for sealing the opening is arranged at the top of the protective cover; one end of the cover plate is hinged to the protective cover through a hinge shaft; a torsional spring is arranged on the hinge shaft; a monitoring support and a lifting mechanism are arranged in the protective cover; and a storage battery, a second LoRa wireless module, a microcontroller, a dust monitoring probe, a carbon dioxide monitoring probe and a humidity monitoring probe are arranged on the monitoring support. The beneficial effects of the device are that the device can be suitablefor severe weather, can prolong the service life, and reduces the monitoring cost.

The invention is applicable to the semiconductor packaging technology field and provides a light emitting diode, an electronic device having the light emitting diode, a manufacture method for the light emitting diode and a manufacture method for the electronic device. The light emitting diode provides blind holes and the blind holes is filled, such that a problem in the prior art that the volume of the light emitting diode after packaging is big. The light emitting diode comprises a circuit substrate, a light emitting diode wafer and a sealing adhesive body. The circuit substrate comprises a first metal circuit layer, a second metal circuit layer and a metal connection portion provided with the blind holes; the blind hole is filled with conductive materials; and the light emitting diode wafer is arranged on the first meta circuit layer. The blind holes are formed on the first circuit substrate and is filled with conductive materials in order to make circuits on the first surface and the second surface of the circuit substrate electrically connect, which greatly reduces the volume of the sealing adhesive body and reduces the volume of the light emitting diode.

The invention discloses a conveyor capable of adjusting the conveying angle. The conveyor comprises a first conveying frame. A first driven wheel is rotationally connected to the left side of the front face of the first conveying frame, a first driving wheel is rotationally connected to the right side of the front face of the first conveying frame, the first driven wheel is in transmission connection with the first driving wheel through a first conveying belt, a first support leg is fixedly connected to the left side of the bottom of the first conveying frame, a second support leg is fixedly connected to the right side of the bottom of the first conveying frame, and a first transmission wheel is rotationally connected to the front face of the first driving wheel. According to the conveyor,through the cooperation of a support plate, a connecting plate, a rotating shaft, an angle sensor, a first gear, a rotating motor, a second gear, a second driven wheel, a second driving wheel, a second conveyor belt, a third support leg, a second motor, a third transmission wheel, a fourth transmission wheel, a second transmission belt and a control box, the problem that an existing conveyor cannot adjust the horizontal conveying angle, and consequently the material conveying is not facilitated is solved.

The invention relates to the technical field of electronic electrical engineering experiment tables and provides an electronic electrical engineering experiment table. The electronic electrical engineering experiment table comprises a table plate and supporting legs, wherein the upper ends of the supporting legs are arranged at four corners of the bottom surface of the table plate; an experiment power connection area, an assembly and disassembly area, a tool taking area and a part recovery area are arranged on the surface of the table plate; the experiment power connection area is provided with a power line, an adjustable transformer and an inverter; the power line is electrically connected with the adjustable transformer; the inverter is electrically connected with the adjustable transformer; an AC wiring terminal is arranged on the adjustable transformer, and a DC wiring terminal is arranged on the inverter; the AC wiring terminal and the DC wiring terminal are connected with the adjustable transformer and the inverter through spiral wires respectively; the assembly and disassembly area is provided with an insulating cushion plate, a part temporary-storage tank and a lighting lamp; the tool taking area is provided with a tool tank, a tool separation plate and a tool tank cover; the part recovery area is provided with a part tank, a part separation plate and a part tank cover. The electronic electrical engineering experiment table makes an experiment voltage adjustable within a large range, makes a lighting area adjustable, and is convenient to move and high in safety.

The invention discloses a circuit arrangement method. The method includes the following steps: providing multiple heat-generating bodies with equal length and wire path width of w<1>; arranging the heat-generating bodies on a to-be-heated plane with the length being n1 and the width being m1 (m<=n), wherein one edge of the to-be-heated plane is provided with a positive negative pole contact port of a power source; and arranging the multiple heat-generating bodies on the to-be-heated plane from a positive pole of the power source to a negative pole of the power source and in a loop form from the outside to the inside, wherein an interval between loops of adjacent two heat-generating bodies is w<2> to make each of the loops is equal in length. Through the technical scheme, heated objects canbe uniformly heated, thereby achieving related requirements, and the stability of heating effects is ensured.

The invention discloses a lamp showing stand. The lamp showing stand is arranged in a shape of a tree, comprises a main rod part and a plurality of branch parts and is novel and independent in appearance and convenient to move and transport, wherein lamp mounting ports for lamp mounting are formed in the top ends of the branch parts and the main rod part; electric connection structures electrically connected with lamps are mounted at the lamp mounting ports, a plurality of inner wire clamping positions for wire fixation are arranged on the inner wall of the lamp showing stand and distributed in the main rod part and the branch parts, and wires passing by from the inner wire clamping positions and electrically connected with the electric connection structures are mounted in the lamp showing stand. Lamps are mounted in the lamp mounting ports and can be conveniently mounted and dismounted; the lamps are mounted at different end parts of the branch parts and the main rod parts, the lamps can be better highlighted and can attract sufficient attention, and the showing performance is high.

Provided are a connecting assembly and an axial-flow lampblack exhaust fan. The connecting assembly comprises a first connecting module and a second connecting module which are arranged correspondingly, wherein the first connecting module comprises a first connecting seat, a first connecting nail arranged on the first connecting seat, and a first connecting piece connected with the first connecting nail. The first connecting nail comprises a first outer column arranged on the first connecting seat in a protruding mode, a first middle column connected with the first outer column and a first inner column connected with the first middle column, wherein a resetting elastic part is connected onto the first inner column or the first middle column. The connecting assembly or the axial-flow lampblack exhaust fan facilitates power supply of a fan motor through the first connecting module and the second connecting module which are connected. When the fan motor is dismantled, a motor seat is separated from a curved tube axial air barrel, and the first connecting module is disconnected with the second connecting module. When the fan motor is installed, the motor seat is connected with the curved tube axial air barrel, powering-on of the first connecting module and the second connecting module can be achieved, and dismantling and maintenance of the fan and the fan motor are facilitated.

The invention relates to a single-phase service mains device on a low-voltage line pole, which comprises an arc insulating panel matched with the low-voltage line rod, a conductive live wire connecting post and a neutral wire connecting post are vertically arranged on the insulating panel, a plurality of wiring grooves are formed in one side wall of each of the live wire connecting post and the neutral wire connecting post along the vertical direction, the wiring grooves of the live wire connecting post and the neutral wire connecting post are respectively opposite to each other along the wiring directions, the wiring grooves in the tops of the live wire connecting post and the neutral wire connecting post are respectively connected with a total inlet live wire and a total inlet neutral wire, the other wiring grooves of the live wire connecting post and the neutral wire connecting post are respectively connected with an outlet live wire and an outlet neutral wire. The original layout mode that a plurality of low-voltage dividing lines are arranged on the low-voltage line is changed as an arrangement layout that single-phase service mains devices are arranged on the low-voltage line pole, the line arrangement is beautiful and elegant, the stressing is balanced, the line is insulated and cannot be damaged, the cost is saved, and the electricity connecting and electricity supply on the pole are safe and reliable.

The invention discloses a convenient-to-adjust connection terminal power-on detection device with a safety protection structure, and relates to the technical field of connection terminal detection. The device comprises a machine body, a connection terminal mechanism, a first positioning mechanism and a second positioning mechanism, wherein moving wheels are arranged on the two sides of the lower part of the machine body; a hollow table is fixed above the machine body; a power connection box is arranged in the hollow table; a back plate is welded on the rear side of the upper part of the hollowtable; a top plate is fixed above the back plate; an air cylinder is arranged on the lower side of the front part of the top plate; a piston rod is arranged below the air cylinder; a lifting plate isfixed below the piston rod; and a mounting box is fixed on the lower side of the lifting plate. The device has the beneficial effects that the device can be arranged on the outer side of the upper part of a power-on test board through a protective outer frame of a transparent structure to carry out safety protection on the power-on test board, and meanwhile, the protective outer frame is made ofan insulating material, so that the risk of electric shock caused by the fact that an operator approaches the power-on test board can be avoided.