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30results about How to "Short heat conduction path" patented technology

Semiconductor luminous chip, semiconductor illuminating lamp and manufacture method thereof

The invention relates to a semiconductor luminous chip, and a lamp using the chip. The chip comprises a substrate provided with a first surface and a second surface. The first surface of the substrate is provided with a semiconductor lamination layer at least comprising an n-type conductive layer, a luminous layer and a p-type conductive layer. The surface of the semiconductor lamination layer at least has an n-type electrode step and/or n-type electrode through-hole with a part of n-type conductive layer being exposed. All exposed and conductive surfaces and side surfaces of the semiconductor luminous chip are wrapped by at least one insulating layer. The surface of the insulating layer is provided with exposed at least one p-type electrode and at least one n-type electrode. The p-type electrode and the n-type electrode are insulated mutually and run through the insulating layer to be electrically connected with the p-type conductive layer and the n-type conductive layer respectively. According to the structure above, reflow soldering process is allowed to be utilized to directly weld the semiconductor luminous chip to lamp plates, lamp bars, lamp posts, LED supports or COB substrates for preparing various lamps or light sources. The advantages of simple structure and low production cost are achieved.
Owner:SHENZHEN DADAO SEMICON CO LTD

Composite veneer

The invention relates to a composite veneer belonging to the technical field of architectural decoration materials. The composite veneer comprises a composite veneer body. The composite veneer is characterized in that the inside of the composite veneer body is provided with a plurality of heat-conducting media which extend along the length direction of the composite veneer body and have a strip-shaped structure, wherein the insides of the bodies of the heat-conducting media are provided with a plurality of first through holes which extend along the length directions of the bodies of the heat-conducting media. Preferably, the insides of the first through holes are provided with heating elements which have a strip-shaped structure, the material of the composite veneer body is a plastic-wood composite material (or called wood plastics and WPC) or a stone-plastic composite material, and the composite veneer body is formed by a mould through injection molding or extrusion molding. The invention organically combines an entire floor heating system and a floor together and has convenient assembly and maintenance.
Owner:杭州暖捷环境科技有限公司

Compression joint-type electric vehicle controller for double-row power tube leaf spring

The invention discloses a compression joint-type electric vehicle controller for a double-row power tube leaf spring. The compression joint-type electric vehicle controller comprises a hollow shell in the middle, and a front baffle and a rear baffle at two ends, wherein a front sealing gasket and a rear sealing gasket are arranged between the front baffle and the shell, and between the rear baffle and the shell, and eighteen power tubes welding on a circuit board, function lines, power lines and a leaf spring for in compression joint with the power tubes are contained inside the controller. The compression joint-type electric vehicle controller is characterized in that the bottom of the hollow shell is arch-shaped, and strip-shaped heat dissipation teeth are distributed on the outer surface of the shell; two rows of salient points are arranged on each heat dissipation tooth; twelve small holes are respectively formed in the front baffle and the rear baffle; the leaf spring is provided with twenty-two pins; the eighteen power tubes welded on the circuit board are divided into two rows and are uniformly distributed on two sides of the circuit board; the eighteen power tubes pass through the bottom of the shell by adopting compression joint screws; the leaf spring is in compression joint, so that the leaf spring deforms to generate elastic force. The elastic force is applied to the power tube bodies through the pins on the leaf spring, so that the power tubes are tightly attached to the inner surface of the shell, the heat conduction path is the shortest, and the timeliness and the effectiveness of heat conduction are guaranteed.
Owner:JIANGSU YUNYI ELECTRIC

Power-driven four-wheeler controller

The invention discloses a power-driven four-wheeler controller, comprising a bottom board, a heat dissipating shell, a sealing gasket, a plastic cover cap, bolts, threaded supporting columns I. threaded supporting columns II, a functional plug, a master cable binding post, a capacitor and power tubes, wherein the middle of the power-driven four-wheeler controller is provided with the hollow heat dissipating shell; the bottom board is a thick aluminum plate; the plastic cover cap is arranged at the top of the power-driven four-wheeler controller; a PCB plate I, a PCB plate II and an aluminum substrate are installed in the hollow heat dissipating shell. The 48 power tubes and 10 threaded supporting columns II are welded on the aluminum substrate tightly; the threaded supporting columns II are used to lock the aluminum substrate on the bottom board and are connected with the PCB II simultaneously; one sealing gasket is arranged between the functional plug and the plastic cover cap. The controller of the invention improves assembling efficiency and removes a hidden danger that the power tubes are burned because of heat concentration. The power-driven four-wheeler controller avoids the condition that the impedance is increased because of insufficient solder and function of the controller is lost because of high heat.
Owner:XUZHOU YUNYI TECH DEV

Composite ground heating floor

The invention relates to a composite ground heating floor and belongs to the technical field of building decoration materials. The composite ground heating floor comprises a floor main body, wherein the floor body comprises a substrate and a heat conducting dielectric layer compounded on the lower surface of the substrate; a connecting groove is formed in one side of the floor body and can be mutually buckled with a connecting tenon arranged on another floor body; the transverse depth of the connecting groove is larger than the transverse length of the connecting tenon; when the connecting groove and the connecting tenon are mutually buckled, a heating piece accommodation cavity for longitudinally extending can be formed in the inner side of the connecting groove; and a heating piece is arranged in the heating piece accommodation cavity and can be used for transmitting heat to the substrate through the dielectric layer during heating until the whole floor body is heated, so that the aim of heating indoor is achieved.
Owner:李渊

Geothermal floor and junction structure thereof

The invention relates to a geothermal floor and a junction structure thereof, and belongs to the technical field of a building decorative material. The geothermal floor is a composite floor, and the body of the geothermal floor is formed by sequentially bonding a decorative surface plate 1, a heat-conducting medium 2 and a substrate 3 by utilizing an adhesive. In the junction structure, the right side of one geothermal floor is connected with the left side of another geothermal floor through a lock catch, wherein, an arc contact surface 241 arranged on the heat-conducting medium in the right side of the geothermal floor and an arc contact surface 231 arranged on the heat-conducting medium in the left side of another geothermal floor form a cavity with a relatively closed section, and the cavity can accommodate a floor heating water pipe or a heating cable so that heat can be quickly transferred to the surface of the floor via the heat-conducting medium, thus achieving the purpose of heating. The heat-conducting medium is preferably an aluminum alloy profile. The geothermal floor and the junction structure thereof have the advantages of fast heating speed, energy conservation and the like, and are convenient in installation and maintenance.
Owner:李渊

Throw-measuring type downhole thermodetector and downhole cyclic temperature measurement system

InactiveCN108547609AAvoid direct contactAvoid direct contact with the measuring mediumDrilling rodsConstructionsMeasuring instrumentWell drilling
The invention provides a throw-measuring type downhole thermodetector and a downhole cyclic temperature measurement system. The throw-measuring type downhole thermodetector includes a protecting barrel, a circuit board and a sensor, wherein the circuit board and the sensor are arranged in the protecting barrel; a detecting window is arranged in the protecting barrel and the sensor measures the temperatures of a well cementation section medium by the detecting window; the circuit board saves the temperature information detected by the sensor and/or transfers the temperature information to ground equipment. The throw-measuring type downhole thermodetector is used for accurately measuring the temperature of downhole environment in the petroleum drilling industry, the condition that the sensoris in contact with the measuring medium directly is avoided, and the character that precision is not influenced by repetitive using of measuring apparatus of the petroleum measuring industry is achieved; drilling tool hydrophthalmia and well drilling construction procedure are not influenced; and the condition that the heat guiding path is the shortest is realized, the temperature measuring is protected effectively and the thermodetector is durable.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Nitride semiconductor microcavity laser structure with low electric resistance and low thermal resistance

The invention provides a nitride semiconductor microcavity laser structure and a preparation method thereof. A microcavity laser is prepared on the (0001) nitrogen surface of a nitride semiconductor,and p-type ohmic contact on a (0001) gallium surface adopts a whole surface contact manner, so that the series resistance of the microcavity laser is greatly reduced; the heat of the microcavity laseris directly transferred into a heat sink with high heat conductivity, a microcavity laser is prepared on the (0001) nitrogen surface, and the side wall of the microcavity laser is manufactured by using a wet etching method, so that the stability of the microcavity laser can be greatly promoted, the optical limiting layer of the microcavity laser is prepared by using AlInGaN, ITO, AZO, IGZO, porous GaN, Ag, Al, ZnO, MgO, Si, SiO2, SiNx, TiO2, ZrO2, AlN, Al2O3, Ta2O5, HfO2, HfSiO4 and AlOH materials, and high optical limitation is provided. The novel nitride semiconductor microcavity laser structure provided by the invention has the advantages of low electric resistance, low thermal resistance, easy implementation of electric injection, high stability, high reliability and the like, the performance of the nitride semiconductor microcavity laser can be greatly enhanced, and the service life of the nitride semiconductor microcavity laser is greatly prolonged.
Owner:江西省纳米技术研究院 +1

Dry-type paved geothermal floor board

The invention relates to a dry-type paved geothermal floor board which belongs to the technical field of building decorative materials. The dry-type paved geothermal floor board comprises a substrate, wherein the upper surface of the substrate is provided with a decorative surface layer; the two sides of the substrate are provided with locks that can be matched with adjacent substrates respectively; an upward-concave groove is formed on the lower surface of the substrate; the groove comprises two side parts and an upper bottom part between the two side parts; a heat conducting medium layer is attached to the surface of the groove, and at least covers the upper bottom of the groove; a heat insulation module in contact with the ground is arranged below the substrate; an upward-protruding boss is formed on the upper surface of the heat insulation module; the shape of the boss is matched with the shape of the groove on the lower surface of the substrate; and a heating body in heat-conducting contact with the heat conducting medium layer is arranged between the heat insulation module and the heat conducting medium layer. The surface of the floor board is uniformly heated, the heat conducting path is relatively short, the heat efficiency is relatively high, and the entire pavement thickness is relatively small.
Owner:杭州暖捷环境科技有限公司

Water-cooling double-row power tube electric vehicle controller

The invention discloses a water-cooling double-row power tube electric vehicle controller. The water-cooling double-row power tube electric vehicle controller comprises a hollow shell, a front sealing pad, a front stop plate, a rear sealing pad, a rear stop plate, screws, compression joint screws, a spring piece and eighteen power tubes welded on a circuit board. The water-cooling double-row power tube electric vehicle controller is characterized in that the bottom of the hollow shell is arched, two cooling water tubes are mounted on two sides in the shell, and the eighteen power tubes welded on the circuit board, functional wiring harnesses, a power line and the spring piece for compression joint of the power tubes are arranged in the shell. The front stop plate and the rear stop plate are arranged at two ends of the shell, and each of the front stop plate and the rear stop plate is provided with a water inlet tube and a water outlet tube. The water inlet tube and the water outlet tube of the front stop plate are connected with an external water pump and an external water tank through rubber water tubes to form a water circulation channel. The water-cooling double-row power tube electric vehicle controller has the advantages that close fitting between the power tubes and the inner surface of the hollow shell is guaranteed, and a heat conduction path is shortest; circular cooling water can carry away heat generated by the power tubes timely, and heat conduction timeliness and effectiveness are guaranteed.
Owner:XUZHOU YUNYI TECH DEV

Semiconductor light-emitting chip, semiconductor lighting fixture and manufacturing method thereof

The invention relates to a semiconductor light-emitting chip and a lamp using the chip. The chip includes a substrate having a first surface and a second surface, on the first surface of the substrate there is a semiconductor stack including at least an n-type conductive layer, a light-emitting layer and a p-type conductive layer, and on the semiconductor stack The surface has at least one n-type electrode step and / or n-type electrode through hole exposing a part of the n-type conductive layer, and all exposed and conductive surfaces and sides of the semiconductor light emitting chip are wrapped by at least one insulating layer; The surface of the insulating layer is provided with exposed at least one p-type electrode and at least one n-type electrode; the p-type electrode and the n-type electrode are insulated from each other, and penetrate through the insulating layer and the p-type conductive layer and the n-type electrode respectively. The conductive layer is electrically connected. Its structure allows the semiconductor light-emitting chip to be directly welded to the lamp board, lamp bar, lamp post, or LED bracket, or COB substrate used to prepare various lamps or light sources by reflow soldering process, which has the advantages of simple structure and low manufacturing cost .
Owner:SHENZHEN DADAO SEMICON CO LTD

A low-resistance, low-thermal-resistance nitride semiconductor microcavity laser structure and preparation method thereof

The invention provides a semiconductor microcavity laser structure and a preparation method thereof. The microcavity laser is prepared on the nitrogen surface of the nitride semiconductor, and the p-type ohmic contact of the (0001) gallium surface adopts the whole-surface contact method, which greatly reduces the cost of the microcavity laser. The series resistance of the microcavity laser; the heat of the microcavity laser is directly conducted to the heat sink with high thermal conductivity, and the microcavity laser is prepared on the nitrogen surface, and the side wall of the microcavity laser is fabricated by wet etching, which can greatly improve the stability of the microcavity laser properties, using AlInGaN, ITO, AZO, IGZO, porous GaN, Ag, Al, ZnO, MgO, Si, SiO 2 , SiNx, TiO 2 , ZrO 2 , AlN, Al 2 o 3 、 Ta 2 o 5 , HfO 2 , HfSiO 4 , AlON material is used as the optical confinement layer of the microcavity laser to provide strong optical confinement. The novel nitride semiconductor microcavity laser structure proposed by the present invention has the advantages of small resistance, low thermal resistance, easy implementation of electric injection, good stability and reliability, etc., and can greatly enhance the performance and service life of the nitride semiconductor microcavity laser.
Owner:江西省纳米技术研究院 +1

A dual-row power tube electric vehicle controller

The invention discloses an electromobile controller with two rows of power tubes. The electromobile controller is composed of a plastic cover cap, a sealing strip, screws, pressing plates, rubber strips, eighteen power tubes welded on a circuit board, two sets of functional plugs welded on the circuit board, and an aluminum-cast heat-dissipating shell. The electromobile controller is characterized in that the controller is of an upper-lower structure, the plastic cover cap is arranged on the upper side, the aluminum-cast heat-dissipating shell is arranged on the lower side, the sealing strip is arranged between the plastic cover cap and the aluminum-cast heat-dissipating shell, and the power tubes and the functional plugs both welded on the circuit board are contained inside the controller. The electromobile controller has the advantages that the power tubes welded on the circuit board are compressed by the pressing plates and the rubber strips to be directly and closely fit with the plane of the aluminum-cast heat-dissipating shell for heat dissipation, and a heat conduction path is shortest, so that timeliness and effectiveness of heat conduction are guaranteed; after compressing the sealing strip, the plastic cover cap is in buckling connection with the aluminum-cast heat-dissipating shell, so that sealing performance of the controller is effectively guaranteed.
Owner:JIANGSU YUNYI ELECTRIC

Dry-type paved geothermal floor board

The invention relates to a dry-type paved geothermal floor board which belongs to the technical field of building decorative materials. The dry-type paved geothermal floor board comprises a substrate, wherein the upper surface of the substrate is provided with a decorative surface layer; the two sides of the substrate are provided with locks that can be matched with adjacent substrates respectively; an upward-concave groove is formed on the lower surface of the substrate; the groove comprises two side parts and an upper bottom part between the two side parts; a heat conducting medium layer isattached to the surface of the groove, and at least covers the upper bottom of the groove; a heat insulation module in contact with the ground is arranged below the substrate; an upward-protruding boss is formed on the upper surface of the heat insulation module; the shape of the boss is matched with the shape of the groove on the lower surface of the substrate; and a heating body in heat-conducting contact with the heat conducting medium layer is arranged between the heat insulation module and the heat conducting medium layer. The surface of the floor board is uniformly heated, the heat conducting path is relatively short, the heat efficiency is relatively high, and the entire pavement thickness is relatively small.
Owner:杭州暖捷环境科技有限公司

Steel structure roof distributed photovoltaic power station photovoltaic module ice and snow removing system and method

The invention discloses a steel structure roof distributed photovoltaic power station photovoltaic module ice and snow removing system and method. A photovoltaic power station comprises a photovoltaic array, an electric energy conversion device and a grid-connected device, and the ice and snow removing system comprises an ice and snow removing transformer, a circuit breaker and an ice and snow removing controller; conductive heating films are arranged on photovoltaic assemblies of the photovoltaic array, the direct current input end of the electric energy conversion device is connected with the photovoltaic array, the alternating current output end of the electric energy conversion device is connected with a power grid through the grid-connected device, and the wire inlet end of the ice and snow removing transformer is connected with the alternating current output end of the electric energy conversion device or the input end of the grid-connected device. The wire outlet end is connected with the wire inlet end of the circuit breaker, the wire outlet end of the circuit breaker is connected with the conductive heating film, and the ice and snow removing controller is in communication connection with the circuit breaker. The construction amount is small, the system is suitable for different photovoltaic power station schemes, the proper ice and snow removing time point is determined by comparing whether the current roof bearing capacity and energy consumption meet the requirements or not, accurate snow removing and ice melting are achieved, and the energy utilization rate is increased.
Owner:CEEC HUNAN ELECTRIC POWER DESIGN INST
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