42results about How to "Convenient heat preservation" patented technology

The invention disclosed an integrated filter inductance transformer, comprising a primary winding, a secondary winding, and LC resonant circuits of each winding characteristic harmonics, wherein the reactance L of the resonant circuits is a two-segment adverse-parallel symmetric interleaving winding which is wound with the primary winding and the secondary winding on the same iron core in a up-down symmetry manner. In the invention, the LC resonant circuits of each winding characteristic harmonics can eliminate the harmonic flux of the iron core, and prevent the harmonics from passing back, thereby realizing the function of filtering the primary winding harmonics; meanwhile, the transformer also has the function of reactive power compensation.

The invention relates to a method for winding a superconductive magnet, which uses more than two single blocks to wind the two single blocks into a double block by belt material, comprising the following steps of: 1) designing the shapes of spools as required, wherein one side of each spool is provided with a convex ring and the other side of each spool is provided with a concave part; 2) winding the double block: firstly, fixing the position of a single block spool, winding the belt material from an end point to a fixed spool, and welding a contact surface of the belt material and the spool; secondly, synchronously rotating the fixed spool and the belt material, and winding the belt material onto the fixed spool; thirdly, after fixing the total length of the belt material, cutting the belt material and fixing the other single block spool, welding a cutting position of the belt material on the single block spool, synchronously rotating the spools of the two single blocks and winding the belt material from the one spool to the other spool; and finally, when the lengths of the belt material of the two blocks are equal to the number of windings, stopping synchronously rotating, fixing one spool, and horizontally moving and rotating the fixed single block, so that the two single blocks are superposed to form a transition layer; and 3) assembling the magnet: inserting the convex ring of the double block spool into the concave part of the adjoining double block spool. The method can be widely used for winding various superconductive magnets.

The invention relates to low-temperature-resistant insulation resin for a motor and a preparation method thereof. The insulation resin is prepared from the following ingredients in parts by weight: 100 parts of an epoxy resin composition, 90 to 120 parts of an anhydride curing agent and 0.1 to 0.4 part of a latent accelerator, wherein the epoxy resin composition is a mixture consisting of 20 to 30 parts of bisphenol F epoxy resin, 20 to 40 parts of hyperbranched epoxy resin, 10 to 25 parts of polyfunctional glycidyl amine epoxy resin and 10 to 20 parts of acrylic acid modified organosilicone epoxy resin. The epoxy resin composition, the anhydride curing agent and the latent accelerator according to a specific recipe are used to take a reaction; the molecular chain intensity improvement and the heat-resistant performance improvement are facilitated; the external load is born; the stress concentration is relieved, so that good high-temperature and low-temperature impact resistance performance is realized; the viscosity of the resin is effectively reduced; the insulation treatment of the motor is facilitated.

The invention discloses an inductor which comprises an insulation shell, a magnetic core and a coil. The insulation shell is in an open-ring shape. The magnetic core is in a closed-ring shape and formed by splicing a plurality of magnetic core units arranged in the peripheral direction of the magnetic core. A part of the magnetic core is arranged inside the insulation shell, and the other part of the magnetic core is exposed out of an opening of the insulation shell so that at least one magnetic core unit can be allowed to penetrate through the opening of the insulation shell in the assembling process. The coil is wound around the insulation shell or the insulation shell and the other part of the magnetic core. According to the inductor, winding is convenient, the automation degree of the inductor is high, and insulation processing is convenient.

The invention discloses a coking wastewater short-cut nitrification and denitrification treatment technology, and solves the problem that an existing technology is long in technological process, large in equipment occupation space, large in investment, high in running cost and the like. The technical scheme is as follows: mixing coking wastewater with sludge to form mixed liquid, enabling the mixed liquid to be subjected to at least one cycle of high dissolved oxygen aeration treatment, a low dissolved oxygen reaction, a hypoxia reaction, and discharging the mixed liquid after the high dissolved oxygen aeration treatment, wherein the coking wastewater retains for 8 to 12h in the phase of high dissolved oxygen aeration treatment, the dissolved oxygen concentration of the mixed liquid in the step is controlled to be DO being larger than 4mg/L; the coking wastewater retains for 2 to 3h in the phase of low dissolved oxygen reaction, and the dissolved oxygen concentration of the mixed liquid in the step is controlled to be DO being less than 2mg/L; the coking wastewater retains for 7 to 9h in the phase of hypoxia reaction. The technology provided by the invention is simple, the occupied space is less and the investment and running cost are low.

The invention relates to a design method of a high tension coil of a dry on-load coarse and fine voltage regulation transformer, at least comprising normal turn number zones (1, 4) of a high tension coil and an air passage (5). The invention is characterized in that a coarse tuning turn number zone (2) and a fine tuning turn number zone (3) are connected in series between the normal turn number zones (1, 4), and the coarse tuning turn number zone (2) and the fine tuning turn number zone (3) are in forward direction serial connection structure. The coil has strong practicality and high reliability. The method adjusts voltage within a larger range in the mode of combining coarse tuning with the fine tuning.

The invention relates to a pulse power supply system and a neutron generator. Several paths of pulse voltages with different pulse widths and amplitudes can be provided for the neutron generator through four paths of pulse voltages, namely positive acceleration high voltage, negative acceleration high voltage, anode voltage and trigger voltage, so as to meet the working requirements of a vacuum arc ion source neutron generator. The positive acceleration high voltage is generated through the first secondary coil of a first pulse transformer T1, the trigger voltage is generated through a second pulse transformer T2, the anode voltage is generated through the second secondary coil of a first pulse transformer T1 and a main discharge capacitor C4, and the negative acceleration high voltage is generated through a third pulse transformer T3. The second secondary coil of the first pulse transformer T1 and the second pulse transformer T2 serve as a boosting transformer to boost a pulse power supply and also serve as an isolation transformer to solve the problem of suspension voltage, the insulation distance is effectively reduced by adopting a positive and negative acceleration pole structure, and three pulses form a loop to share one charging power supply, so the power supply system is very compact in structure.

The invention provides a magnetic conductive sheet for a wireless charger. The magnetic conductive sheet comprises a first magnetic thin sheet composed of a plurality of crushed and separated first magnetic fragments; each first magnetic fragment is stuck and positioned through an adhesion layer; a gap is formed between every two first magnetic fragments and the gap is filled with an air medium sothat all the first magnetic fragments are mutually insulated; a protection film is laminated on the surface side of the magnetic conductive sheet. The invention further provides a preparation methodof the magnetic conductive sheet. According to the magnetic conductive sheet provided by the invention, the air medium is used as an insulating medium of the magnetic conductive sheet and the application requirements of the magnetic conductive sheet in a wireless charging technology are met; meanwhile, the eddy-current effect can be effectively reduced; the magnetic conductive sheet has the technical advantages of good insulation treatment effect and simple preparation technology.

The invention discloses a water pump casting cleaning device which comprises a working machine box. A cleaning box is arranged at the bottom of the working machine box, a rotating mechanism is arranged perpendicularly above a fixing mechanism, high-pressure spray heads are symmetrically installed on the center line of the lower portion of the rotating mechanism, and a water tank is arranged at thetop of the working machine box. A heat preservation layer is connected into the water tank, a magnesium rod is installed on the lower part of the inner part of the heat preservation layer, and a heating rod is connected to the right side of the magnesium rod. The cleaning box and the water tank are arranged at the bottom and the top of the working machine box correspondingly, through arrangementof the working machine box, the cleaning box and the water tank can be conveniently fixed, meanwhile, through arrangement of the cleaning box, oil stain on the surface of a water pump casing can be conveniently decomposed, meanwhile, through the arrangement of the heating rod and the heat preservation layer in the water tank, liquid can be heated and subjected to heat preservation conveniently, the situation that the oil stain cannot be cleaned away while dust on the surface of the casting is cleaned away is avoided, and therefore the surface of the water pump casting can be cleaned conveniently.

The present invention relates to the flushing device for water closet toilet, in detail, by setting the flushing device for washing the toilet, which is used for flushing the indoor or outdoor toilets of family and restaurants on the floor, enables the heat insulation, prevention bursting by freezing and the fixation of water tank easier. Moreover a cover is arranged, so the water flowing into the water tank for flushing can not splash and overflow, an air bladder is arranged inside and connected along vertical direction, and can rise along with the water level and block the supply of the water from the pipe, and the height of the air bladder is adjustable, so as to control the water level in the water tank and the water pressure for flushing.

The invention discloses a thermal insulation box for a driving roller cooling liquid. The thermal insulation box comprises a bottom plate, wherein a thermal insulation frame is arranged on the bottom plate; a thermal insulation slot is formed in the thermal insulation frame; a thermal insulation layer is arranged on the inner surface of the thermal insulation frame; a top plate is arranged on the top of the thermal insulation frame; and the top cover covers the thermal insulation slot. The thermal insulation box can be used for pouring a to-be-treated drilling roller cooling liquid into the thermal insulation box of the thermal insulation frame, and the top plate covers the thermal insulation frame, so that thermal insulation treatment can be conveniently carried out on the thermal insulation frame, and the thermal insulation frame is conveniently fixed and supported through the bottom plate.

The invention relates to the technical field of motor manufacture, and especially relates to a winding arrangement and wiring structure for a single-phase asynchronous motor. Aiming at problems that the batch production is difficult to achieve, the processing of insulation between phases is not easy and the effect is not good in a conventional winding arrangement and wiring technology for the single-phase asynchronous motor, the invention provides the winding arrangement and wiring structure for the single-phase asynchronous motor. The structure comprises a printed circuit board and electromagnetic coils communicated with the printed circuit board. The electromagnetic coils comprise a main winding coil, an auxiliary winding coil, and a speed adjustment winding coil. The arrangement method of the structure comprises the steps: the preparation of a winding, the preparation and installation of the printed circuit board, and the welding of the printed circuit board with the winding. The structure is simple in design, is easy to implement, is well adapted to various types of single-phase asynchronous motors, and is good in prospects of application and popularization.

The invention relates to the field of edible calcium carbonate production equipment, in particular to a continuous production device for edible calcium carbonate. According to the technical scheme, the technical problems that heat preservation treatment of a calcium carbonate extrusion structure is inconvenient, and integrated heating and condensing production work is inconvenient are solved. The continuous production device for the edible calcium carbonate comprises an extrusion structure and a mounting structure, the side end position of the extrusion structure is fixedly connected with the mounting structure; the extrusion structure comprises a heat conduction part, a heat preservation sheath, a condensation pipe and a communicating pipe frame, and the outer end of the heat conduction part is sleeved with the heat preservation sheath; the bottom end of the heat conduction component communicates with the condensation pipe, and the bottom end of the condensation pipe communicates with the communicating pipe frame. The technical scheme has the beneficial effects that through the structural arrangement, heat preservation treatment of the inner end can be conveniently carried out, integrated heating and condensation production work can be conveniently carried out, and integrated machining of the inner end is achieved.

A novel solar energy heat collection module comprises a solar energy heat collection and heat storage sub-module and a water replenishment sub-module; the solar energy heat collection and heat storage sub-module has the functions of absorbing solar energy sunlight-heat resources, gathering heat and storing hot water, and the water replenishment sub-module has the functions of replenishing water and storing the hot water for the solar energy heat collection and heat storage sub-module. By utilizing the novel solar energy heat collection module, a solar energy water heater single machine or a solar energy heat collection engineering system can be assembled, and by utilizing the solar energy heat collection and heat storage sub-module, the solar energy water heater single machine and the solar energy heat collection engineering system can be assembled as well. The novel solar energy heat collection module has the advantages of being rigorous and simple in structure, small in size, and beneficial to overall insulation treatment.

The invention relates to an insulation heat dissipation treatment system of a hardware element of intelligent equipment. The insulation heat dissipation treatment system comprises a base chamber, anda treatment chamber is mounted at the upper part of the base chamber; a left bearing pillar and a right bearing pillar are separately mounted on the left and right sides of the treatment cavity; a topplate is connected to the upper parts of the left bearing pillar and the right bearing pillar; a motor is mounted in the middle position of the base cavity; a motor shaft is connected to the upper part of the motor; a rotating platform is connected to the upper part of the motor shaft; a left storage chamber and a right storage chamber are separately mounted on the left and right sides of the upper part of the rotating platform; a left air blower and a right air blower are separately mounted at the upper part of the left side of the left bearing pillar and the upper part of the right side ofthe right bearing pillar; and air supply chambers are connected to the right side of the left air blower and the left side of the right air blower. The insulation heat dissipation treatment system caneffectively aim at insulation treatment for the hardware element of intelligent equipment, a chip is conveniently treated, heat dissipation treatment is conveniently carried out according to requirements, and the insulation heat dissipation treatment effect is improved.

The invention discloses a medicine feeding device for pediatric nursing. The device comprises a medicine feeding bottle; the top of the medicine feeding bottle is sleeved with a cover in a threaded mode; a hollow base is welded to the bottom of the medicine feeding bottle; a first buffer plate is fixed to the center of the bottom face of the interior of the hollow base; and a motor is installed atthe top of the first buffer plate. After hot water is added into the medicine feeding bottle, medicine powder is added into the medicine feeding bottle; the bottom end of a suction tube is inserted into a connector, so that the medicine feeding bottle is covered with the cover in a threaded mode; a button on a control panel is pressed to start a motor, so that a rotating rod drives multiple stirring rods to rotate; in use, the medicine powder in the medicine feeding bottle can be sufficiently stirred; an electromagnetic heating ring can work by pressing the button on the control panel to heatliquid medicine in the medicine feeding bottle, so that the liquid medicine can be conveniently subjected to heat preservation treatment; and the medicine feeding bottle is convenient to use.

The invention provides a culture flask transporting and packaging device and a packaging method. The culture flask transporting and packaging device comprises a box body and a box cover. A plurality of storage frames are arranged in the box body. Storage cavities are formed in the storage frames and matched with culture flasks. Each storage cavity comprises a main cavity body and a flask opening containing table. The storage cavities are symmetrically distributed in two rows. The flask opening containing tables of the first row of storage cavities and the flask opening containing tables of the second row of storage cavities are oppositely distributed and all located in the middles of the storage frames. Through holes are formed between every four adjacent flask opening containing tables. Breathable grooves communicated with the through holes are formed in the two sides of the flask opening containing tables. According to the culture flask transporting and packaging device, firstly, users place the culture flasks containing culture solutions in the storage cavities; secondly, the storage frames are sequentially arranged in the box body; and finally, the box body is covered with the box cover. When the culture flasks are packaged through the culture flask transporting and packaging device and the box body is extruded or vibrated, it is ensured that the vibration range of the culture flasks is small, the culture flasks can not be extruded, and the culture flasks are prevented from being broken.