55results about How to "Reduced risk of overheating" patented technology

The invention provides improved conductive ink, and particularly relates to liquid ink containing a carrier solvent, a conductive additive which is dispersed in the solvent, an amorphous polymer, a half-crystallization polymer and other additives. The liquid ink is applicable to intaglio printing and silk-screen printing. The conductive ink also has resistance positive temperature coefficient of more than 5000ppm / DEG C. The conductive ink can be in jelly-like form after being stored at relatively low temperature or for a long time, after being heated, stirred or vibrated, the ink still has good mobility, the heating power of a low-temperature radiation electric heating film prepared by utilizing the ink can be automatically reduced under the condition of poor heat radiating property, and the overheat risk of the electric heating film can be reduced.

The invention discloses an electric resistance heat element for a heating device for heating a flowing gaseous medium. The invention relates to an electrical resistance heating element for a heating device, with at least one flow canal through which the gaseous medium is able to flow from a canal inlet side to a canal outlet side of the resistance heating element, and with at least one heating resistor that extends essentially in the direction of the flow canal, with the medium flowing past the heating resistor and being heated in the process. The heating resistor is rod-shaped and produced from an electrically conductive ceramic material. The electrical resistance heating element is intended for installation in a heating tube into which air, for example, is blown at one end. The heated flow of air exits from the other end of the heating tube.

A portable massage device (10) and method for reducing soreness in muscles or joints. The device (10) includes a cage (102) having a plurality of ventilation apertures (114) that assist in cooling an internal motor (126).

The invention discloses a fan control system and method and a CPLD. The fan control system is applied to a server and comprises a plurality of fan rotors, a CPLD and a BMC, wherein TACH signals of thefan rotors are sent to the CPLD; the CPLD receives the multiple TACG signals and endows each TACH signal with corresponding identification information, and then the TACH signals with the identification information are sent to the BMC; and the BMC receives the multiple TACH signals and generates corresponding PWM control signals according to the TACH signals, and then the PWM control signals and the corresponding identification information are sent to the CPLD; and the CPLD sends the PWM control signals to the corresponding fan rotors according to the identification information. According to the fan control system and method and the CPLD, when fan rotor ports reserved on a mainboard are insufficient, multiple fan rotors controlled through the CPLD can be added to improve heat dissipation of a server system, and thus, the over-temperature risk is lowered.

The inductively heatable tobacco product for aerosol-generation comprises an aerosol-forming substrate containing a susceptor in the form of a plurality of particles. The aerosol-forming substrate is a crimped tobacco sheet comprising tobacco material, fibers, binder, aerosol-former and the susceptor in the form of the plurality of particles.

The invention relates to the field of industrial laser, and discloses an adaptor of a fiber interface, for solving the technical problems of poor dustproof sealing performance of a fiber interface, incapability of connection with rear-end equipment and too high light outlet temperature in the prior art. The adapter comprises an annular water cooling structure, and the annular water cooling structure internally comprises a water cooling cavity for water circulation; a butt joint unit arranged inside the annular water cooling structure for connection with the fiber interface; a locking mechanism arranged at one end of the annular water cooling structure for locking the adapter with a light-emitting head; and a first sealing ring arranged at the inner side of the locking mechanism for sealing an interface between the adapter and the light-emitting head. In such a way, the technical effect of improving the dustproof sealing performance of the fiber interface in the application process is achieved.

This invention discloses a liquid heating device, core of the said device and a fabricating method thereof. Said liquid heating device includes: a core arranged a channel for flowing the liquid inside it and attached a water inlet level and a water outlet level; at least a thermal diffusion part having a first face and a second face. Said thermal diffusion part is fixed in the center of the core and the first face is jointed with the core; at least a heating components fixed on the thermal diffusion part and jointed with the second face of the thermal diffusion part, either the heating components or the thermal diffusion part acts as a independent part or formed a whole inseparable body with the core; a case for strengthening purpose. The advantage of this invention is that an even heating process can reduce the risk of overheating of the heating components. Said thermal diffusion part can protect heating components from overheating when there is not enough liquid in core, in addition, promoting the liquid to be discharged easily and at the same time, increasing the heat transfer efficiency from the heating components to the liquid in the core.

The present invention discloses an inductively heatable tobacco product for generating aerosol comprising an aerosol-forming substrate comprising a plurality of susceptors in particulate form. The aerosol-forming substrate is a rolled tobacco sheet comprising tobacco material, fibers, binder, aerosol-forming agent and a plurality of susceptors in particulate form.

A low voltage contactor for connecting and disconnecting a three-phase load to an electric power including a coil, main contacts operated by the coil and an electronic control circuit for controlling voltage supplied to the coil. The electronic control circuit includes a pre-arranged time point selection scheme and is further adapted to select a time point from the pre-arranged time point selection scheme as a time delay, and initiate an instant opening command based on the selected time point.

The invention discloses a high-power-density integrated PCU module and a liquid cooling design method thereof. The liquid cooling design method comprises a liquid cooling radiator structure design method and a liquid cooling parameter optimization method. According to the liquid cooling design method, the problem of overheating of a local power chip in the PCU module due to high integration levelof the PCU power module is solved, and optimized heat dissipation of the high-power-density integrated PCU module is realized.

The present invention provides a liquid heater with low power consumption, a control method and a manufacturing method thereof. The liquid heater comprises a core assembly for heating the liquid. The core assembly is provided with a water inlet position, a water outlet position and a channel. The channel is used for connecting between the water inlet position and the water outlet position. The core assembly is provided with a heating assembly. The heating assembly comprises a resistor unit which uses ohm as a unit. The resistance is smaller than 31 and larger than 10. The electric power of the heating assembly uses watt as a unit and is determined according to a voltage supplied by an electrical network. The ratio between the electric power of the heating assembly and the surface area of the heating assembly is smaller than 33 and larger than 14. The core assembly is internally provided with a heat diffusion component. The heat diffusion component is a planar component. Furthermore one surface of the heat diffusion component directly contacts the channel, and the other surface clings to the heating assembly. A heating controller of the heating assembly is controlled through duty ratio. The duty ratio is the ratio accounted by the time of activating the heating assembly with a period of one second according to different liquid input temperature.

The invention discloses a supporting protective component of a high-voltage varistor, which comprises a base, a slot, a limit groove, a limit block, a first protective shell, a second protective shell, a tenon groove, a tenon block, a positioning hole, and a positioning column , the first rubber sleeve, the second rubber sleeve, the first protective inner shell, the second protective inner shell, grooves, bumps, sleeve holes, pin sleeves, limit strips, locking screw holes, locking screws, locks Tight frame, heat exchange plate, serpentine heat dissipation pipe, heat conduction pipe, heat conduction plate, connection groove, connection block, ear plate and fixing hole; the invention uses double-layer protection components to protect the high-voltage varistor, which improves the high-voltage varistor. The resistance to pressure and impact resistance reduces external damage, prolongs the service life of high-voltage varistors, reduces the burden on the pins by using a fixed plug-in method, reduces the risk of pin bending and breaking during use, and avoids The problem of positional deviation and falling off of the high-voltage varistor improves the connection stability of the high-voltage varistor.

The invention discloses a fully-packaged internal insulation semiconductor device. The device comprises a semiconductor main body, a collector electrode pin, a base electrode pin, an emitter electrode pin, a first insulation inner shell, a second insulation inner shell, a limiting block, a positioning hole, a positioning column, a limiting groove, a limiting frame, a first heat conduction rubber sleeve, a second heat conduction rubber sleeve, a mortise, a tenon part, a groove, a convex block, a first insulation outer shell, a second insulation outer shell, a heat dissipation grid groove, a connecting lug plate, a connecting column, a connecting screw hole and a connecting screw. A sleeve hole, a rubber sleeve, a frame groove, a convex frame, a mounting plate and a mounting hole; according to the invention, a fully-packaged internal insulation structure is adopted, so that the problems of electric leakage and short circuit of the semiconductor device after the insulation layer is damaged are avoided. The working reliability of the semiconductor device is improved, the heat dissipation performance of the semiconductor device is improved, the overheating risk of the semiconductor device is reduced, and the service life of the semiconductor device is prolonged. The device is easy to disassemble after being installed. The maintenance and replacement are convenient, and maintenance cost of the semiconductor device is saved.

The invention provides a heat management system and management method for a hybrid electric vehicle, including an engine cooling circuit, a battery cooling circuit and a motor cooling circuit, wherein: the engine cooling circuit includes a high-temperature radiator, an engine cooling water pump, an engine cooling and the first multi-port valve, the high-temperature radiator and the engine cooling water pump are used to dissipate heat for the engine; the battery cooling circuit includes a second multi-port valve and the battery; the motor cooling circuit includes a low-temperature radiator and a second electronic water pump that are connected in sequence and form a loop , motor controller, motor and the third multi-way valve, the low temperature radiator and the second electronic water pump are used to dissipate heat for the motor, and the motor controller is used to detect the operating condition of the motor; the engine cooling circuit, battery cooling circuit and motor cooling circuit pass through the first A multi-port valve, a second multi-port valve, and a third multi-port valve are coupled to each other to transfer thermal energy between the engine cooling circuit, the battery cooling circuit, and the electric motor cooling circuit.

This invention discloses a liquid heating device, core of the said device and a fabricating method thereof. Said liquid heating device includes: a core arranged a channel for flowing the liquid inside it and attached a water inlet level and a water outlet level; at least a thermal diffusion part having a first face and a second face. Said thermal diffusion part is fixed in the center of the coreand the first face is jointed with the core; at least a heating components fixed on the thermal diffusion part and jointed with the second face of the thermal diffusion part, either the heating components or the thermal diffusion part acts as a independent part or formed a whole inseparable body with the core; a case for strengthening purpose. The advantage of this invention is that an even heating process can reduce the risk of overheating of the heating components. Said thermal diffusion part can protect heating components from overheating when there is not enough liquid in core, in addition, promoting the liquid to be discharged easily and at the same time, increasing the heat transfer efficiency from the heating components to the liquid in the core.

Disclosed is a high power density integrated PCU module and a liquid cooling design method thereof, including a liquid cooling radiator structural design and a liquid cooling parameter optimization method. The liquid cooling design method solves the problem of overheating of local power chips inside the PCU module due to high integration of the PCU power module, and realizes optimized heat dissipation of the high power density integrated PCU module.

The invention relates to a cylinder head of an internal combustion engine, with at least an integrated exhaust manifold. The exhaust manifold comprises: a, at least two conduits that direct the exhaust gas, which are arranged substantially side by side with respect to each other and are collected at the flow connection portion upstream of the exhaust manifold outlet to the manifold line, respectively, which passes through the wall Of the terminal areas are separated from each other; and b, at least one coolant jacket disposed above and / or below at least and having an upper dividing wall and a lower dividing wall, wherein the at least one coolant jacket and the pipe are separated from each other by a common dividing wall The coolant jacket is passed through the coolant in a fixed flow direction, wherein at least one tab extends between the upper dividing wall and the lower boundary wall in the coolant jacket, which has an upstream flow in the upstream; the influent flow being separated by a flow of coolant, wherein the coolant flow is accelerated downstream of the partition in a first zone of the coolant jacket, wherein the portion of the first zone or tab directly adjacent to the inflow surface is arranged directly at and / or on the mobile connection site and / or the terminal area.