63results about How to "Good convection effect" patented technology

A heat sink structure for high power LED lamp includes a heat conducting lamp holder, a heat conductor and a heat sink. The heat conducting lamp holder is made of highly heat-conductive material to provide a smooth surface for firmly holding an LED lamp. The heat conductor is made of highly heat-conductive material for linking the heat conducting lamp holder and the heat sink. The heat sink includes a plurality of heat sink fins made of highly heat-conductive material. The plurality of heat sink fins are arranged radially to form a porous center structure with no occluding junction, thereby implementing a heat sink structure which can provide omnidirectional heat dissipating capability and good convection capability to let hot air to rise naturally for high power LED lamps.

An extendable heat dissipation apparatus includes a base, an extendable heat dissipation member and a connecting element. A normal fin is formed on the base, and the connecting element integrates the extendable heat dissipation member in the apparatus with the base. The extendable heat dissipation member can be extendable to an extending location and can also be stored in a storing location with respect to the base.

The invention discloses an electron back scattering diffraction sample electrolytic polishing device. The device comprises an electrolytic tank, an electrolyte storage tank, a cleaning liquid storage tank, an anode rod, a cathode plate and a direct-current power source. An upper cover is arranged on an opening of the top of the electrolytic tank, the anode rod is connected to the upper cover in a lifting mode, the cathode plate is arranged at the bottom of the electrolytic tank, a cavity is formed in the cathode plate, a plurality of spraying holes communicated with the cavity are formed in the upper end face of the cathode plate, the bottom of the cathode plate is connected with a hollow pipe communicated with the cavity, the bottom of the electrolyte storage tank is connected with the hollow pipe through an electrolyte conveying pipe, and the bottom of the cleaning liquid storage tank is connected with the hollow pipe through a cleaning liquid conveying pipe; the side wall of the upper portion of the electrolytic tank is communicated with the electrolyte storage tank through an electrolyte overflow pipe, the side wall of the lower potion of the electrolytic tank is communicated with the electrolyte storage tank through an electrolyte backflow pipe, and the side wall of the lower portion of the electrolytic tank is communicated with the cleaning liquid storage tank through a cleaning liquid backflow pipe. The electrolytic polishing device is compact in structure, good in convection effect and uniform in electrolytic polishing.

The invention relates to a LED street lamp body, comprising a first lamp body and a second lamp body which are connected. The first lamp body has a first containing chamber for containing part of parts of the LED street lamp body for controlling the circuit. The second lamp body bottom face has a second containing chamber for containing the LED light source of the LED street lamp body. The bottom face of the first lamp body and the bottom face of the second lamp body constitute the bottom face of the LED street lamp body. The top face of the second lamp body has a plurality of heat radiating fins. Two adjacent heat radiating fins constitute a heat radiating channel. At least a part of the heat radiating channel is far away from one end of the first lamp body and extends to the first lamp body. A ventilation channel for communicating the heat radiating channel is arranged in the first lamp body. One end of the ventilation channel is opened on the bottom face of the first lamp body. The LED street lamp body has a good heat radiation effect and long service life.

The invention discloses an air purifier. The air purifier is arranged in a lamp-shaped shell. The air purifier is combined with a lamp effectively. The air purifier can be combined with various lighting or decorative lamps such as a floor lamp, a desk lamp, a wall lamp, a ceiling lamp and the like so as to purify air, light and be harmonious with furniture and indoor environment. The amounting position of the lamp is high, so that an air convection effect is better and the air purifying effect is greatly improved.

The invention discloses a high-tension LED spotlight comprising a plastic base, a radiator and a lens. The plastic base is connected with a power source. The high-tension LED spotlight further comprises a remote controller. The plastic base is connected with the rear end of the radiator in a fastened manner. An electrode plate is disposed inside the plastic base. The radiator is in a hemisphere shape, and two ends thereof are communicated; a concave semicircular surface of the radiator is provided with a reflecting layer. The front end of the radiator is connected with the lens in a fastened manner. The lens covers an aluminum substrate which is connected with the electrode plate; the aluminum substrate is fixed inside the radiator through fastening screws and provided with a plurality of LEDs. The radiator is provided with two circular air slots additionally, so that the service life of a main part electrolytic capacitor on the power source can be prolonged; the WIFI wireless signal remote controller is added, the spotlight can be remotely controlled with a cellphone or remote controller with a WIFI transceiver. The high-tension LED spotlight is nearly maintenance free, has soft light with pure spectrum, is good for protecting workers' eyesight and good for physical health of workers, and can be as bright as halogen lamps.

The invention belongs to the technical field of plastic-dipping heating furnaces, and particularly relates to a metal mesh and mesh rack plastic-dipping heating furnace. Aiming at the problem that heat transfer is not uniform and heat transfer through heat conduction is slow in an existing metal mesh and mesh rack heating process, and according to the following scheme, the plastic-dipping heatingfurnace comprises a furnace body, wherein a plurality of supporting legs are fixedly connected to the lower side wall of the furnace body, a rolling wheel is arranged at the lower end of each supporting leg, a material feeding hole is formed in the side wall of one side of the furnace body, a placing device and a plurality of heating wires are arranged between the inner walls of the two sides of the furnace body, a door plate matched with the material feeding hole is rotationally connected to the inner wall of the material feeding hole, and a convection mechanism is arranged on the lower sideof the furnace body. According to the metal mesh and mesh rack plastic-dipping heating furnace, the convection mechanism is arranged on the lower side of the furnace body, through the swinging of a gas outlet pipe and the leading-out of gas in the gas outlet pipe, the flow of the gas in the furnace body is accelerated, heat in the furnace body is uniformly distributed, the heat is directly transmitted out to heat a metal mesh, and the heating effect is better.

An anion generator is disclosed to include a housing, an anion-generating panel mounted inside the housing near the bottom side, a meshed conducting plate mounted inside the housing near the top side, and a high voltage generator mounted inside the housing, the high voltage generator having a positive lead wire connected to the meshed conducting plate and a negative lead wire connected to the anion-generating panel for causing the anion-generating panel to generate currents of anions for carrying heat from a computer supported on the housing when electrically connected.

The invention discloses a preparation method of the built-in carbon fiber electric-heating laminate flooring and a wooden floor thereof. The preparation method specifically comprises the steps that 1, high-density fiber board base materials are prepared first, positional holes are drilled on the high-density fiber board base materials, and the surfaces of the high-density fiber board base materials are coated with glue, electric poles are mounted, multiple pieces of carbon fiber papers are laid on the surfaces of the high-density fiber board base materials; 2, the surfaces of the carbon fiber papers are coated with glue, then surface decoration layers are glued on the surfaces of the carbon fiber papers; 3, next cold press, hot press and stress balance are in sequence carried out, and abrasion resistant papers and wood grained papers are in sequence pasted on the surfaces; 4, next thickness defining, all around groove-and-tongue, and reflective film coating are in sequence carried out, and finally after the surface coating, the finished product is obtained. The preparation method of the built-in carbon fiber electric-heating laminate flooring and the wooden floor thereof have the advantages of being heat dissipating, quick in temperature rising, low in thermal loss, energy-saving and environmentally friendly, space-saving, clean and comfortable, intelligent in temperature control and fixed point heating and the like.

The invention discloses a breathable sagger for roasting of electronic materials. The breathable sagger for roasting of electronic materials comprises a sagger body, wherein the sagger body is formedby a sagger bottom and four sagger walls in a surrounding manner; the sagger bottom is a flat bottom or is provided with supporting legs; a recessed ventilating opening is formed in the top of each sagger wall; and small through holes are formed in the sagger bottom. Compared with the prior art, the breathable sagger for roasting of the electronic materials can be uniformly heated, good convectioneffect of an internal atmosphere and an external atmosphere of the sagger is ensured, sintering of the electronic materials is facilitated, and the superior product rate of electronic material products is increased.

The invention relates to a decoction barrel provided with a floating stop plate, which comprises a barrel body and a barrel cover, the barrel cover is connected with a pressing plate which presses theChinese medicine decoction pieces in the barrel through a telescopic rod so that the liquid in the inner barrel submerges the Chinese medicine decoction pieces, The telescopic rod comprises an uppersection and a lower section, wherein the upper end of the upper section is connected with the barrel cover, the upper end of the lower section can be freely lifted and lowered in the lower end of theupper section, the lower end of the lower section is connected with a pressing plate, and the pressing plate is pressed on a Chinese medicinal decoction piece by self-weight lowering. A first object of the present invention is to provide a decoction barrel with a floating stop plate for avoiding the phenomenon of steaming medicine, which solves the problem that many pieces of traditional Chinese medicine float on the water surface when decocting medicine in the existing decoction barrel and cannot be decocted, thereby affecting the medicine effect.

The invention discloses a household air purifier system. The household air purifier system is characterized by comprising a fan device, an air inlet device, an air outlet device and a control device, wherein the air inlet device and the air outlet device are connected with the fan device through pipes, and the control device is connected with the fan device, the air inlet device and the air outlet device. The air inlet device and the air outlet device are installed indoors and are separated, the fan device is installed outdoors, and the air inlet device and the air outlet device can be arranged in all rooms in a house. An air filtering device is arranged in the air inlet device, and an air purifying device is arranged in the air outlet device. When the fan device works, a high-pressure region and a lower-pressure region are naturally formed in the front and in the back of the fan device, the fan device enables the high-pressure region and the lower-pressure region to form two sealed spaces through a housing, the lower-pressure region is connected with the air inlet device, and the high-pressure region is connected with the air outlet device. The household air purifier system has the advantages of being capable of quickly purifying indoor air, convenient to arrange and use, good in indoor air convection effect and purification effect, free of noise and low in cost.

The invention relates to an electric heater comprising a shell, a heating element and a drive piece. An air duct is arranged in the shell. The shell is provided with an air opening enabling the air dust to communicate with the outside. The heating element is arranged in the air dust. The heating element is used for conducting radiative heat transfer with the outside and convection heat transfer through the air opening. The drive piece is used for driving the heating element to rotate in the air duct so as to disturb a flow field in the air duct. According to the electric heater, the drive piece can drive the heating element to rotate in the air duct so as to disturb the flow field in the air duct, the heating element amounts to a rotating blade, so that the convection function between theair in the air duct and the external air can be enhanced at the moment, and the electric heater has a good convection effect compared with the prior art.