75results about How to "No temperature rise" patented technology

The invention discloses a heald selecting device for a solenoid valve of an electronic jacquard, which consists essentially of seven pieces of central brackets, two pieces of side brackets, modular solenoid valves, needle selecting hooks, offsetting springs, bidirectional moving hooks, a pulley module, a heald twine hanging cable and a quick coupling, wherein, the modular solenoid valves are arranged among the seven pieces of central brackets as well as between the central brackets and the side brackets; two sides of each modular solenoid valve are provided with a pair of needle selecting hooks, and a pair of offsetting springs and a pair of bidirectional moving hooks are arranged under each modular solenoid valve; and the bidirectional moving hooks, the pulley module, the heald twine hanging cable and the quick coupling are sequentially connected. The heald selecting device for the solenoid valve of the electronic jacquard has small electric power, correct and stable heald selecting and convenient maintenance.

LED with radiation structure and its manufacturing method characterizes in that a radiation electric isoaltion cooling liquid is filled in a closed container with a metal baseplate mounted with a LEDchip. The radiation forms rertical metal sidewall on it supporting a transparent cover over the closed container and surrounding at least one adjacent LED chip so as to make the generated Joule heat to expand to the vertical sidewall quickly through the said cooling liquid downward to the metal baseplate connecting to an extremetly external radiator to avoid overheat to the LED.

The invention belongs to the technical field of surface film reinforcement, and in particular relates to a preparation method of a Ta (Tantalum) film on a bearing steel surface. The preparation method comprises the following steps: firstly the bearing steel surface is pre-treated, ground, polished, then subjected to ultrasonic cleaning in an organic solvent, and dried; then a work piece is subjected to the surface sputtering cleaning in a vacuum state, and the nonmetallic ion implantation is carried out on the surface of the work piece; a Ta surface is subjected to sputtering cleaning, and a Ta-based film is deposited on the surface of the work piece obtained from the above procedures; and at last the nonmetallic ion implantation is carried out on the Ta-based film. By adopting the preparation method, the obtained bearing steel is high in hardness and good in wear resistance, the rigidity of the bearing steel is at least improved by 80%, the wear rate is reduced by 65%, and the service life of the bearing steel is efficiently prolonged. In addition, no obvious interface exits between the prepared film and a base, the metallurgical bonding can be achieved, the bonding force can be improved, and simultaneously the rigidity of the work piece is improved.

The invention discloses a powder conveyor which comprises a powder warehouse. The bottom of the powder warehouse is communicated with a conveying trough, a discharge valve is mounted at the tail of the conveying trough, the conveying trough is inclined downwards from a feed end to a discharge end, a breathable interlayer is arranged in the conveying trough, is close to the bottom wall of the conveying trough and is used for dividing an inner cavity of the conveying trough into an upper powder conveying warehouse and a lower air chamber, a plurality of air inlets are formed in the bottom wall of the conveying trough, a ventilating pipe communicated with an air supply device is arranged below the conveying trough, the air inlets are communicated with the ventilating pipe through air inlet pipes, an air inlet buffer device corresponding to the upper portion of each air inlet is arranged in the air chamber, and a breathable filter bag is arranged on the upper portion of the tail end of the conveying trough. The powder conveyor is simple in structure, low in failure rate, high in conveying efficiency and low in energy consumption.

The invention relates to a polydopamine modified coating facilitating battery heat dissipation. The polydopamine modified coating is characterized by being prepared by dissolving dopamine into an aqueous solution with the pH of 7.5 to 11, and polymerizing. The polydopamine coating comprises the following main substances in percentage by weight: 0-10% of dihydroxy indole, 1%-5% of 2-indolinone, 0-20% of dopamine monomer, and 0-99.99% of polydopamine. A coating substrate is inorganic particles, a metal material and an organic material, wherein the coating is generated by self-polymerizing dopamine solution on the substrate, or by comprising the following steps: self-polymerizing dopamine from the dopamine solution in the solution, centrifuging, standing, filtering, cleaning and drying to obtain polydopamine powder particles, then dissolving the powder particles into slurry and coating. The generated powder particles containing dihydroxy indole, 2-indolinone, dopamine monomer and polydopamine are prepared into the coating by utilizing the heat absorption characteristic, thus being applied onto the interior of a diaphragm, a pole piece and a battery case, and by utilizing the heat absorption and heat conduction effects of the polydopamine coating, the heat inside the battery can be effectively dissipated, so that the heat dissipation purpose is achieved.

The invention discloses a constant-magnetic maintaining AC contactor control circuit and a control method thereof. The control circuit comprises a power source and detection module, a control and driver module and an execution module, wherein a three-wire system is adopted at the periphery of the control circuit; the control circuit is connected to a normally-opened start switch and a normally-closed stop switch externally; the control and driver module comprises a micro control unit (MCU), a first drive circuit, a second drive circuit, a relay coil J1 and a relay coil J2; and the execution module comprises an inductor L1, a rectifier bridge BD1, a capacitor C1, a capacitor C2, a diode D1, a diode D2, five contact terminals of the relay coil J1, five contact terminals of the relay coil J2 and a contactor coil. The control circuit provided by the invention is simple in structure, low in cost, small in work energy consumption, convenient for installation, high in safety, strong in reliability and quick in reaction speed.

The invention discloses a composite pulse lead-acid storage battery charger, which comprises a rectifier, a power switch circuit, a transformer, an analog-digital converter, a single chip microcomputer, a temperature detection circuit, a photoelectric coupler and a PWM. A battery is charged by using the charger; and the process of generating a composite pulse signal in a charging process is (1) charging by a high-frequency pulse sleeved with a slow pulse, wherein the stage is the charging process and comprises multi-sawtooth wave charging, each sawtooth wave is one cycle and a small sawtooth wave of which the frequency is 50-65KHz is also embedded into each large sawtooth wave; and (2) composite positive and negative pulse charging, which comprises a pre-stage charging process and a later stage charging process of composite positive and negative pulse charging, wherein the pre-stage charging process and the later stage charging process comprise positive pulse charging, zero pulse parking and negative pulse discharging; and the slow pulse is embedded into a positive pulse and a negative pulse. The gas evolution and water loss phenomena are avoided in the charging process; the charging rate is high; the temperature rise is low; and the service life of a rechargeable battery is prolonged.

The present invention provides a dehumidifier that provides actual support to a dehumidification rotor and restrains air indoor and leakage of heated air at minimum. In the invention, the dehumidifier 100 is provided with a frame 20 with a big opening 21, a heater unit 30 fixed on the frame 20, a axle suspension component 40 fixed on the heater unit 30 inside a main housing 10, and the all-around dehumidification rotor 50 set on the axle suspension component 40 that can rotate freely and cover the big opening 21, forms a dehumidification wind path and a renewable wind path through the dehumidification rotor 50. Part that passes through the dehumidification rotor is returned to renewable air circle wind path of the heater unit 30 that fixed on a renewable fan housing 73 that fixed on the frame 20. The renewable fan housing 73 and the heater unit 30 are connected.

The invention discloses a direct-cooling refrigerator defrosting function control method. The direct-cooling refrigerator defrosting function control method mainly comprises the following steps that (1), the compressor starting time t<1> and the refrigerator door opening time t<2> are detected and calculated, the defrosting judgment time t is obtained after the compressor starting time t<1> and the refrigerator door opening time t<2> are accumulatively added according to the weight, and when the t value is larger than or equal to a threshold value A, it is judged that a refrigerator meets thedefrosting starting condition, and the defrosting process is conduced; and (2), the refrigerator is in the defrosting state, at the same time, a compressor is forced to be stopped, when the continuousdefrosting time t' reaches a threshold value B, the defrosting process is finished, refrigerator waits for the next defrosting period, t, t<1> and t<2> are rest, and calculation is conducted again. According to the method, a low-cost defrosting scheme is proposed, and the defrosting function is achieved only by optimizing an electronic refrigerator essential part control mode.

A stepwise pneumatic digital valve comprises a valve base, a valve body and a stepping motor. The valve body is positioned inside the valve base, the valve body comprises a valve core and a valve jacket, the valve core is installed on the valve jacket and capable of conducting reciprocating movement in left and right directions, the output shaft of the stepping motor is connected with the input end of an eccentric mechanism, and the output end of the eccentric mechanism is linked with the valve core. The inventive stepwise pneumatic digital valve has the advantages of simple structure and low cost; and can directly realize digital control.

The invention discloses a method for manufacturing foam ceramic plates by using ceramic tile polishing waste residues. The method comprises the following steps: preparing 50-80% of polishing waste residues, 10-25% of shale, 10-25% of feldspar and 0.5-3% of a foaming agent according to raw materials ratios, carrying out ball milling, stirring, preparing powder by spraying, sieving, stirring, pelleting, carrying out extrusion molding, drying and sintering, wherein in an extrusion molding step, at least two rows of mud fending parts which are uniformly distributed along the periphery of an extrusion cylinder and are transversely overhung in the extrusion cylinder are arranged on the wall of the extrusion cylinder of an extrusion machine, and each row of mud fending parts are distributed along the axial direction of the extrusion cylinder at intervals; and the inner walls of the upper side and the lower side of an extrusion mold opening of the extrusion machine are arranged to be protruded forwards in an arc-shaped manner relative to the inner walls of the left side and the right side. According to a conventional ceramic plate manufacturing technology, the proportion of plastic raw materials reaches up to 60-80%. According to the ceramic plate manufacturing method disclosed by the invention, the doping amount of the polishing waste residues reaches up to 50-80%, that is, the proportion of a lean raw material is far higher than that of the plastic raw material mainly because of the difference of technical formulas and the unique design of the extrusion machine.

The invention discloses a soil sample heating extraction transportation control device and method. The technical problems that an existing soil sample heating extraction advance treatment process is complex, low in efficiency and harmful are solved. The soil sample heating extraction transportation control device comprises X-axis straight line modules, a Y-axis straight line module and a Z-axis straight line module. The two X-axis mute linear modules are parallel to each other. The two X-axis modules are connected with each other through a synchronous shaft and a coupling. Sliding blocks are separately arranged on each linear module, electric clamping jaws are fixedly connected to the sliding blocks of the Z-axis mute linear module, the sliding blocks are separately connected with a reduction gear set through synchronous belts, the reduction gear set is connected with an integrated bus drive motor, and the drive motor is connected with a controller; and a clamping mechanism is arrangedat the lower ends of the electric clamping jaws and is connected with the controller, and the clamping caliber of the clamping mechanism is adjustable. A gantry type structure formed by the X-axis straight line modules, the Y-axis straight line module and the Z-axis straight line module is adopted, low cost, large working range and convenient control are achieved, and a synchronous belt transmission mode is adopted in the line modules, so that the movement speed is high, the operation noise is low, and the device is light and durable.

The invention discloses a production method of high-quality diesel oil with a low condensation point. The method comprises the following steps: mixing a diesel oil raw material with hydrogen, orderly passing through at least two hydrogenation reaction zones connected in series, wherein in the material flowing direction, each hydrogenation reaction zone orderly comprises a hydro-upgrading isodewaxing catalyst bed layer, and a hydro-refining dewaxing catalyst composite bed layer filled with a mixture of a hydrodewaxing catalyst and a hydro-refining catalyst; performing separation and fractionation of the reaction effluent from the last hydrogenation reaction zone to obtain the diesel oil product with a low condensation point. The method of the invention reasonably combines and utilizes the temperature increase of the hydro-refining and hydro-upgrading dewaxing process with the temperature decrease of the hydrodewaxing process, improves the diesel oil yield and the cetane value while producing diesel oil with a low condensation point and low sulfur, reduces the hot-spot temperature of the device, prolongs the running period, also reduces the cold hydrogen consumption or the combustion gas loss of a heating furnace, and saves operation cost.

The invention belongs to the field of medical devices, and particularly relates to a magnetically controlled urethra valve. The magnetically controlled urethra valve comprises a valve body assembly and a magnetic assembly which cooperates with the valve body assembly; the valve body assembly comprises a valve body which is placed in a urethra and a valve element which cooperates with the valve body; the valve element can slide relative to the valve body; the valve element is provided with a urine guiding portion used for discharging urine; the urine guiding portion discharges the urine; an elastic piece is arranged between the valve element and the valve body; by the elastic piece, the valve element resets relative to the valve body; the valve element comprises a traction portion which cooperates with the magnetic assembly, and the traction portion drags the valve element to slide relative to the valve body under the effect of the magnetic assembly. Urine storage and discharge of a bladder are controlled by an internal structure, injury of the urethra is avoided, meanwhile, external magnetically controlled urine discharge is carried out, and thermal injury to tissues of the urethrais avoided.

Provided is an aromatherapy essential oil atomization device using ultrasonic waves. The device comprises: a base, a recessed portion for fixing a water tank being set on the base; a recessed container, the recessed container being fixed at the recessed portion on the base, a protruding round hole for mounting an ultrasonic atomizing device being set at the bottom of the recessed container, and the recessed container being further provided with a container cover, and a mist outlet being set on the container cover; an ultrasonic atomization device, installed in the protruding round hole at the bottom of the recessed container, and used for atomizing a liquid in the recessed container; several LED lamps set around the protruding round hole, the LED lamps being mounted on the base; and a fan, provided with an air inlet on the base, the air inlet being in communication with an air channel in the water tank, the fan being mounted in the air channel, and the fan blowing air into the recessed container to blow the mist generated through atomization to the mist outlet. The device enables active ingredients in the essential oil to fully volatilize and to emit a unique fragrance.

The invention relates to a cooling sizing device for hot melting glue preparing and machining. The cooling sizing device comprises a base, a glue discharging unit, a sizing unit and a cooling circulation unit. The glue discharging unit and the cooling circulation unit are installed at the upper end of the base. The sizing unit is installed at the upper end of the glue discharging unit. The outer wall of the sizing unit is connected with the cooling circulation unit through a pipeline. By means of the cooling sizing device and method for hot melting glue preparing and machining, a sizing methodfor dragging and supporting a glue bar is adopted, and therefore the phenomenon that the formed hot melting glue bar is bent is prevented; due to cleaning of the wall of a cooling cylinder and replacing, filtering and re-cooling of cooling liquid, impurities in the cooling liquid in the cooling cylinder are reduced, the temperature in the cooling cylinder is maintained and cannot be increased dueto hot melting glue, and therefore the problems that the hot melting glue is not subjected to cooling sizing in time, consequently impurities of the hot melting glue in the cooling liquid are even stuck to the wall of the cooling cylinder, the impurities may be stuck to the glue bar after the content is too high, and burrs, protrusions and the like happen to the glue bar are solved.

The invention solves a problem found when a glass tube is broken that a heater wire in the glass tube hangs and is brought into contact with a trough, which causes electric leakage and has harmful effects on a control board or the like. This refrigerator comprises a cooler, a defrosting heater mounted on a lower part of the cooler for removing frost attached to the cooler, a heat radiating member mounted on an outer periphery of the defrosting heater, the trough mounted on a lower part of the defrosting heater for receiving defrost water dropped from the cooler, and an upper cover mounted on an upper part of the defrosting heater for protecting the defrosting heater from the defrost water dropped from the cooler. The defrosting heater has the glass tube, the heater wire incorporated in the glass tube and rubber plugs for sealing both ends of the glass tube, and both ends of the upper cover are fixed to the rubber plugs.

The invention discloses a direct current brushless motor based on magnetic coupling resonance and a control method thereof.The direct current brushless motor comprises a shell, a stator and a rotor, and a wireless energy supply module and an input current direction detection circuit are arranged in the shell; the rotor is provided with a wireless receiving module, an input current direction induction circuit, a rotation position detection module, a rotor armature driving module and a rotor armature, wherein the wireless energy supply module and the wireless receiving module are arranged adjacently, the input current direction detection circuit and the input current direction induction circuit are adjacently arranged to achieve wireless transmission of input current direction detection signals, and the energy output end of the wireless receiving module is connected with a rotor armature through the rotor armature driving module. And the input current direction induction circuit and the rotation position detection module are respectively connected with the detection signal input end of the rotor armature driving module. The motor has the advantages of stable operation, good starting/braking effect, simple driving, high speed, low operation noise and long service life.