17 results about "Junction box" patented technology

A first terminal block having first terminals to be in contact with terminals of a plug is incorporated in a housing. The first terminals are exposed to an internal space portion 1e of the housing, while the rear ends of the first terminals project at the rear of the block. A second terminal block has second terminals to be connected to a motherboard the modular jack should be attached to. Electronic parts a are mounted on an internal board. The internal board includes through-hole-like terminals or notch-like terminals to which the first and second terminals and should be soldered. Winding terminals of winding parts are inserted and soldered to through holes of the internal board.

The invention provides a waterproof and ventilating structure of a solar junction box. A cover plate is installed on a hole in the front end of a body of the solar junction box, the cover plate is connected with the body in a sealed mode through a seal ring, exhaust holes are formed in the cover plate, a waterproof ventilating membrane is correspondingly arranged in the exhaust holes, the air in the solar junction box can be exhausted through the waterproof ventilating membrane, and water vapor outside the solar junction box cannot enter the solar junction box. In addition, due to the facts that sealing clamping grooves are further formed in the positions of connection between the solar junction box and cables of a cable connector, and sealing is carried out through corresponding cable seal rings, and the possibility that the water vapor enters the solar junction box through the positions of the connection between the solar junction box and the cables is eliminated. The waterproof and ventilating structure of the solar junction box is applicable to the solar junction box which is installed outdoors, and has the advantages that the effect of water resistance and the effect of ventilation are good, the service life is long, and the problem that devices inside the solar junction box can be easily influenced by the environment to cause reduction of performance is solved.

The invention discloses a method and device for monitoring ash dirt on a convection heating surface of a boiler. The device comprises a sound wave guide tube, a sound wave receiver, a sound wave generator, a signal conditioner, a junction box, an input and output device, a power amplifier and an industrial personal computer. The method comprises the steps of: firstly, sending a sound wave signal by the industrial personal computer, amplifying with the power amplifier and then sending to the sound generator; secondly emitting sound wave by the wave generator, spreading the sound wave to a hearth of the boiler through the sound wave guide tube, receiving a sound wave return signal of the hearth of the boiler by the sound wave receiver, transmitting the sound wave return signal to the industrial personal computer; thirdly, measuring sound wave crossing time by the industrial personal computer, and solving the smoke side temperature of the boiler; and finally, solving an actual heat exchange coefficient and obtaining an ash dirt coefficient. The invention adopts a non-contact measurement manner, and can be applied to environments with high temperature and much dirt and pollution; and the device is simple in operation, and provides a clear and simple visualization interface.

The invention discloses an autoclaved aerated concrete and reinforcement hollow pipe bar plate comprising an autoclaved aerated concrete plate and a reinforcement hollow pipe bar. A hollow pipe can bea steel metal pipe, or a plastic or polyester pipe, one or more rows of reinforcement pipes are arranged in the autoclaved aerated concrete plate, and each row comprises the one or more reinforcementpipes. The positions of the reinforcement pipes can be adjusted according to the actual electric wire penetrating position requirement, and a junction box is pre-buried in the autoclaved aerated concrete plate. According to the autoclaved aerated concrete and reinforcement hollow pipe bar plate, the configured hollow pipe can substitute traditional steel bars to achieve the effect of reinforcement bar reinforcement and can substitute a traditional wire penetrating pipe for direct electric wire penetration in later-period use because of high strength, secondary wire penetrating pipe pre-burying and grooving and repairing operation are omitted, materials are saved, the total application cost is lowered, mounting is convenient, the construction speed is high, dust pollution is avoided, the assemblage extent of the plate is improved, and environment-friendly construction is achieved.

The invention discloses an efficient stirring device for paint production. The device structurally comprises a base, a discharging port, an observing type efficient stirring device, an outer stirringbarrel, a feeding end, a fixing seat, an electric motor and a junction box, wherein the top end of the base is fixedly connected to the bottom end of the outer stirring barrel in an electric welding manner, the back of the discharging port is mounted in the bottom end position of the left end surface of the outer stirring barrel in an embedded manner, the bottom end of the feeding end is mounted at one end, away from the fixing seat, of the top end of the outer stirring barrel in an embedded manner, and one end of the junction box is fixedly connected to the middle of the outer surface of theelectric motor in an electric welding manner. Braking kinetic energy is produced for an intermittent monitoring mechanism through cooperation of a pressurizing mechanism and a guide braking mechanism,processed paint in the outer stirring barrel can be subjected to multi-axis and efficient stirring and monitored in the stirring process by means of a multi-axis stirring mechanism and the intermittent monitoring mechanism, and processed paint is dredged through an outlet valve control mechanism.

The invention belongs to the technical field of motor manufacturing. In order to overcome the problems that a current base of IP 23 protection level is higher in production cost, clunky in motor structure and overlarge in size, the invention provides a base of a Y-series three-phase asynchronous motor, which is compact in structure and ideal in cooling effect. The base comprises a base body composed of an upper top plate and two side plates, and is characterized in that the top plate is sealed, a junction box is arranged in the middle of one of the side plates; air inlets are respectively formed on the two sides of the junction box, and air outlets are formed below the junction box; and the air inlets and the air outlets, in the same amount, are also formed on the other side plate of the two sides plate of the base and at the positions corresponding to those on former side plate; and air-in louvers and an air-out louver are respectively installed in the air inlets and the air outlets on the two side plates. According to the base provided by the invention, a top cover in an original structure is avoided, which reduces the size and weight of the motor, the appearance is more compact and attractive, and the production cost is effectively reduced.

The invention provides a solar cell module. The solar cell module comprises: an installation frame which is provided with an installation groove for installing a cell panel therein, wherein the bottom wall of the installation groove is provided with a penetrating bar-shaped lead wire lead-out hole; and a junction box arranged at the outer surface of the bottom wall of the installation groove, wherein a lead wire passing through the lead wire lead-out hole electrically conducts the cell panel and the junction box. The solar cell module provided by the invention has the following advantages: on one hand, the junction box is installed on the installation frame rather than the back surface of the cell panel, such that the influence caused by heat dissipation of the junction box to the output power of a cell is avoided, the application of a cell module manufacturer is facilitated, the labor cost is decreased, and the installation efficiency is improved; and on the other hand, compared to a conventional solar cell module whose junction box is installed on a back plate, the photoelectric conversion efficiency of the cell module provided by the invention in actual application is improved. The invention further provides a manufacture method of the solar cell module.

The invention belongs to the petroleum equipment technical field and discloses an oil drilling motor. The oil drilling motor includes a base, a controller and miniature infrared cameras; the base is provided with a motor main body; the motor main body includes a main shaft, a rotor assembly, a carbon brush, a cast aluminum electric heating plate, an oblique brush holding assembly and a brush holding clamp which is arranged through bolts; a junction box assembly is arranged to one side of the motor main body; an explosion-proof tube and an explosion-proof tube are arranged between the junctionbox assembly and the motor main body; the junction box assembly is of a positive pressure explosion-proof structure; the upper right corner, the lower left corner, and the lower right corner of the motor main body are respectively provided with the miniature infrared cameras respectively; transparent protective hoods are disposed outside the miniature infrared cameras respectively; the output endsof the miniature infrared cameras are connected with the input end of the controller; and the output end of the controller is connected with an LED display. The oil drilling motor of the present invention has the advantages of strong overload capacity, high reliability, easiness in maintenance and the like.

The invention discloses a zipper lining furnace tank, and relates to die casting. The appearance of the furnace tank is similar to a duck egg round flaw shape in an overlooking view, a duck egg roundfurnace shell wall is formed by tangent connection of a semi-circular arc plate and circular arc plates on the two sides, one section of a tangent forming side circular arc plate is connected with a furnace mouth plate, a conic furnace mouth is inlaid on the furnace mouth plate, and the furnace shell wall connected with the conic furnace mouth plate is provided with a junction box of an electric heating belt, an electric heating rod heating box and a sign; a conic shell plate is inlaid at an upper opening of the furnace shell wall and horizontally inclines by one degree, a flange of a furnaceshell cover plate is inlaid in the center of a conic shell inclining by one degree, the flange and the cover plate are connected through a bolt, a stainless steel screw sleeve is inlaid in a flange screw hole, and the bolt fastens the cover plate through the screw sleeve; the furnace roof is characterized in that cover plate brick holes are formed in composite bricks and semi-arc arch bricks whichare constructed above the furnace mouth and side-arc arch bricks, cover plate bricks inlaid in the holes in a dry masonry forming manner are combined, and heat-insulating bricks and heat-insulating bricks are constructed on the outer layers of the cover plate bricks in the holes; and three-hole bricks are constructed below the upper-layer furnace top bricks, and meshing lining bricks are constructed below the three-hole bricks to be combined with a hearth part.

The invention discloses an FF bus junction box which comprises a current limit circuit module, a terminal matching module, a protection circuit module and a power supply module, wherein the current limit circuit module is connected with the terminal matching module and is connected with the protection circuit module which is connected with the protection circuit module, and the power supply module provides a power supply to the current limiting circuit module, the terminal matching module and the protection circuit module. The FF bus junction box provides a fixed and reliable output current for a bus apparatus, and ensures that equipment does not influence normal work of a bus under abnormal conditions of short circuit and the like; and the FF bus junction box provides a strong protection function for the bus and a channel by adopting the power supply module, ensures that the bus and the apparatus are normally used under mal-conditions, and has high stability and safety.