65results about How to "Won't overheat" patented technology

The invention relates to an electric drive unit comprising an electric motor having a stator and a rotor, a transmission, an electric circuit, and a housing. The housing forms a motor compartment in which the electric motor is disposed, and a transmission compartment in which at least part of the transmission is disposed. The drive unit comprises a lubricating circuit in which a lubricating fluid for lubricating and cooling the rotor of the electrical machine and the transmission is carried, wherein the lubricating fluid circulates between the motor compartment and the transmission compartment. The drive unit further comprises a cooling circuit, in which a coolant is carried for cooling the stator of the electric motor and the electric circuit. The coolant of the cooling circuit has a heat exchanging connection to the lubricating fluid of the lubricating circuit.

The contact clip according to the invention comprises a contact portion (11) comprising two elastic blades (15) capable of pressing a male contact portion (2) against an interior cylindrical portion (110) of the said contact portion. In view of the elongate shape of this contact portion, electrical contact between the contact clip and the male contact piece portion is had over a large surface area, thus reducing the contact resistance and the heating when high currents are passed. The contact clip further comprises an attachment portion (10) and possibly an end portion (12) and is intended to be fitted inside a hollow housing of a female contact piece (3).

The invention provides a control method for a pressure cooker. The control method comprises the following steps of a heating and temperature-raising stage and a pressure-keeping and rice-stewing stage, wherein the pressure of the pressure-keeping and rice-stewing stage is between 18 KPa and 27 KPa or between 50 KPa and 65 KPa. The control method for the pressure cooker effectively solves the problem that the sweetness of rice cannot be ensured when the rice is stewed in the prior art.

The invention discloses a magnetic valve controllable reactor, which comprises an outer insulating barrel. An upper end cover part is arranged at the upper end of the outer insulating barrel, and the lower end of the outer insulating barrel is connected with a lower end cover part. The upper end cover part comprises a high-voltage terminal of the reactor and an upper end cover, and the lower end cover part comprises a low-voltage terminal of the reactor, a pulse control line terminal and a lower end cover. A reactor main body is fixed on the inner surface of the lower end cover. A main winding of the reactor is connected with the high-voltage terminal and low-voltage terminal of the reactor respectively. An insulating bracket is arranged at the upper end of a reactor core. A thyristor component and a pulse transformer are arranged on the insulating bracket, and are connected with each other. The pulse transformer is connected with the pulse control line terminal. The invention has the advantages that: the magnetic valve controllable reactor is simple in manufacturing process, low in cost and loss, small in harmonics and wide in voltage application range, and has application potential of improving the transmission capability, regulating the voltage of a power grid, compensating reactive power and limiting over-voltage.

The invention relates to the field of automotive parts, and provides an electric control valve, which can comprise a valve body, a circuit board, a motor, a transmission mechanism and a spherical valve core, wherein an upper cavity chamber and a lower cavity chamber which are sealed and separated are formed in the valve body; the circuit board, the motor and the transmission mechanism are arrangedin the upper cavity chamber; the circuit board is electrically connected with the motor and is used for controlling the rotation of the motor; an output shaft of the motor is connected with a rotaryshaft of the spherical valve core through the transmission mechanism in a driving manner; a water inlet at the bottom end and two water outlets, which are one large and one small and are positioned onthe side surfaces, are formed in the lower cavity chamber; and the spherical valve core is mounted in the lower cavity chamber and can be respectively communicated with two water outlets under the driving of the motor. The electric control valve has fast response speed; by adopting the valve, the cooling speed of an engine can be increased, the engine cannot be overheated, and the oil consumptionof the engine can be reduced.

The invention relates to the technical field of manufacturing of light-emitting diode (LED) lamps, in particular to a combined type three-dimensional heat radiation structure fully utilizing heat radiation space for an LED lamp. The combined type three-dimensional heat radiation structure is characterized in that the structure is formed by combining an external heat radiator and an internal heat radiator, wherein the bottom of the internal heat radiator is connected with an LED display panel; the top of the external heat radiator is connected with a lamp joint and a power supply box; a combined type discontinuous multilayered three-dimensional heat radiation structure is arranged on the top of the internal heat radiator and consists of a plurality of heat radiating fins; and a cavity is formed between the adjacent heat radiating fins. The combined type three-dimensional heat radiation structure is adopted at the intensive part of the center heat energy, so that the total area of heat radiation is increased, the effective heat radiation area is maximized, and the defects that the utilization ratio of a heat radiation space is low, the structure of the inner space is airtight and the like can be effectively overcome; and in addition, the heat radiation effect and the output luminance of the combined type three-dimensional heat radiation structure are more than twice those of the traditional LED lamp.

The invention discloses a water heating constant-temperature cutting device of an illumination optical fiber, which comprises a rectangular housing, wherein the rectangular housing is internally provided with a rectangular opening water tank; the rectangular opening water tank is internally equipped with a guillotine optical fiber cutting mechanism; a thermostatic controller, a timer and a power switch are arranged on the rectangular housing; the thermostatic controller is electrically connected with heating rods; the heating rods extend into the rectangular opening water tank; and a water level in the rectangular opening water tank is higher than a cutting surface of the guillotine optical fiber cutting mechanism. After electrification, the electric heating rods begin to heat water in the rectangular opening water tank; after a preset temperature is reached, an optical fiber to be cut is inserted into the guillotine optical fiber cutting mechanism; the plastic optical fiber is heated to a softenable temperature and then cut; a light guide effect of the end face of the cut optical fiber is ensured; compared with the traditional equipment and technique, the traditional optical fiber end face treatment procedure is simplified; a treatment effect and a cutting effect of the end face of the optical fiber are improved; the cutting time is saved; and the cost is lowered.

The invention discloses a brightness self-adjusting light emitting diode (LED) lamp. The LED lamp comprises a metal bottom board, a lampshade and controllers, wherein two LED lamp panels which include the first LED lamp panel and the second LED lamp panel respectively are placed on the metal bottom board, the lampshade covers the metal bottom board, an infrared sensor and a temperature sensor are arranged outside the lampshade, the controllers include the first controller and the second controller which are connected with the infrared sensor and the temperature sensor respectively, on-off of the LED lamp panels is controlled according to infrared signals which are transmitted by the infrared sensor, the brightness of the LED lamp panels is controlled according to temperature signals which are transmitted by the temperature sensor, the first controller is connected with the first LED lamp panel, and the second controller is connected with the second LED lamp panel. According to the brightness self-adjusting LED lamp, the brightness of the LED lamp can be adjusted according to temperature, the LED lamp can be protected from overheating, the service life of the LED lamp is prolonged, on-off of the LED lamp can be controlled by means of a wireless remote controller, light color can be changed as required, on-off switching is convenient, and demands of different people can be met.

The invention provides an integrated cooker with an oven, and belongs to the technical field of kitchen appliances. The integrated cooker with the oven comprises a cooker body with a hollow cavity, acooking bench is arranged on the upper part of the cooker body, and a range hood is arranged above the rear of the cooking bench; and the integrated cooker is characterized in that the oven is furtherarranged in the hollow cavity of the cooker body, a shell is arranged on the outer side of the oven, the oven comprises a box body with an inner hollow cavity, a barbecue device and a heating devicewhich can be used for baking food are arranged in the inner hollow cavity, the upper side of the box body is provided with an exhaust cooling system capable of keeping the air pressure of the inner hollow cavity of the box body stable and preventing parts outside the oven from heating, a hot air circulation system capable of enabling hot air in the inner hollow cavity to be always circulated is arranged on one side of the box body, a storage cabinet is arranged on the other side of the box body, the integrated cooker comprises a cabinet body with an outer hollow cavity, the front side of the cabinet body is provided with a cabinet opening capable of allowing barbecue utensils to be placed into the cabinet body. The integrated cooker has the advantage that barbecuing can be realized on theintegrated cooker, and a relatively stable heat cycling environment can be provided for the food in the barbecuing process.

The invention discloses an energy saving lamp bulb. The energy saving lamp bulb comprises a bulb adaptor, a housing, an energy saving lamp tube and a light reflection cover, wherein the bulb adaptor is connected with the housing, the housing is connected with the light reflection cover, and the energy saving lamp tube is electrically connected with the bulb adaptor and placed in the light reflection cover. The energy saving lamp bulb further comprises a light transmitting cover and a light reflection film, wherein the light reflection cover is connected with the light transmitting cover in matching mode, the interior of the light reflection cover is plated with the light reflection film, and the surface of the light reflection cover is provided with a heat dissipation portion and a light reflection arc portion. The energy saving lamp bulb has the advantages that dust is prevented from entering into the energy saving lamp bulb and accordingly dust prevention effects are achieved by relatively sealing the energy saving lamp bulb, brightness of light emitted from the energy saving lamp tube is sufficiently enhanced and accordingly electricity is saved well by performing cohesion on the light for three times through the light transmitting cover, the light reflection film and the light reflection arc portion, and simultaneously the energy saving lamp tube is prevented from overheating and accordingly service life of the energy saving lamp tube is prolonged by dissipating heat for the energy saving lamp tube through the heat dissipation portion.

To provide a damping device with which stable damping is enabled without loss of damping effect. The damping device for steel sheets is provided with electromagnets 2A, 2B for applying magnetic force in a direction crossed with the steel sheet to executing damping of the traveling steel sheet, sensors 3A, 3B for detecting the distances between these electromagnets and the steel sheet, controller 5 for controlling the exciting current which is flown to the electromagnets based on the distances detected with these sensors and actuators 4A, 4B for adjusting the distances between the electromagnets and the steel sheet. Subjecting to that the electromagnets and steel sheet becomes a specific positional relation, and the distances between the electromagnets and the steel sheet are adjusted with the actuators.

This disclosure refers to a vehicle lamp heater, comprising a PTC heating resistor, a metallic cooling body fixed to the PTC heating resistor, and a holder holding the PTC heating resistor and the metallic cooling body. Also disclosed are a vehicle lamp comprising a plastic housing with a transparent cover and such a vehicle lamp heater.

The invention discloses an evaporative cooling system of rail transit traction equipment, which comprises a water cooling cavity, an air cooling cavity and a liquid cooling loop, and is characterizedin that a main water inlet pipe and a main water outlet pipe are arranged in the middle of the water cooling cavity and are connected with water cooling plates of power modules in a converter; one endof the main water inlet pipe and one end of the main water outlet pipe are communicated through a transformer heat dissipation assembly, the other end of the main water inlet pipe is connected with adriving part, the other end of the main water outlet pipe is connected with a heat exchanger, and the driving part is connected with the heat exchanger; the heat exchanger is located in the heat dissipation air channel of the air cooling cavity and used for dissipating heat absorbed by the liquid cooling loop into air. The invention further discloses rail transit traction equipment which comprises a converter, a transformer and the evaporative cooling system, all the power modules in the converter are located on the two sides of the water cooling cavity respectively, and the transformer is located at one end of the water cooling cavity. The evaporative cooling system and the rail transit traction equipment have the advantages of being high in integration level, simple and compact in structure, good in heat dissipation effect and the like.

The invention discloses a rice threshing device which comprises a device shell. A rice inlet and a rice bran outlet are formed in the rear portion of the device shell. A brown rice recycling bin is arranged at the lower portion of the device shell. A threshing rotating bearing is arranged in the device shell. A tool bit is installed on the outer surface of the threshing rotating bearing. A heating bar is installed in the threshing rotating bearing which is made of a heat conduction material. The threshing rotating bearing is connected with an external engine. According to the rice threshing device, the heating body is installed in the threshing rotating bearing, a large amount of water can be removed from to-be-threshed rice, the dried rice can be subjected to threshing more easily, and the defect that losses are caused in agricultural production due to the fact that an original machine cannot conduct thorough threshing is overcome; meanwhile, the rice does not need to be subjected to threshing work multiple times, so that a large amount of manpower and a large number of material resources are saved; and in addition, a water-cooling cooling body is arranged outside the engine, it can be ensured that the engine cannot be overheated, and in addition, heat generated during running of the engine can be transferred into the device shell to be used for threshing drying.

The embodiment of the invention provides a welding thermal crack control device. The welding thermal crack control device comprises a welding gun, a preheating coil and heating equipment, wherein thewelding gun and the preheating coil are arranged at the position right above a welding seam of a workpiece to be welded, the preheating coil is arranged on one side of the welding gun, and the heatingequipment is used for controlling the preheating coil to heat the workpiece to be welded according to preset induction heating frequency, preset heating temperature and preset heating time. Accordingto the welding thermal crack control device provided by the embodiment of the invention, in the welding process, the preheating coil firstly preheats the welding seam of the workpiece to be welded, the working condition is not deteriorated, the welding is carried out by using a small current, and the welding thermal crack tendency is reduced; the temperature gradient of the whole or local part ofthe workpiece to be welded is reduced, and the production of columnar crystals with large thickness and obvious crystallization direction can be prevented and controlled beneficially; and meanwhile,the improvement of welding line energy for preventing and treating welding the thermal crack is avoided, the structure of a near seam region is not overheated, and the mechanical property of the structure of the near seam region is guaranteed.