221results about How to "Good heat dissipation" patented technology

A solid-state lighting device (500) includes a plurality of light-emitting elements (510, 525, 530) configured for generating light that are thermally coupled to a heat spreading chassis configured for coupling to one or more heat sinks (520). The lighting device further includes a mixing chamber which is optically coupled to the plurality of light-emitting elements and configured to mix the light emitted by the plurality of light-emitting elements. A control system is operatively coupled to the plurality of light-emitting elements, and configured to control operation of the plurality of light-emitting elements.

The invention provides a frame panel type satellite configuration and a modular satellite adopting the same. The frame panel type satellite configuration comprises a four-edge-column frame and honeycomb structure plates; the four-edge-column frame is used for bearing axial load when being connected with four connecting interfaces for carrying, wherein the four-edge-column frame comprises rod pieces and rod-piece joints; each rod piece is provided with a plurality of bosses; the bosses are provided with installing holes for connection with the honeycomb structure plates by first fasteners; a plurality of through holes are arranged in the extending surfaces of the end parts of the rod pieces and are used for connection with the rod-piece joints by second fasteners; the honeycomb structure plates provide installing surfaces for single satellite equipment and simultaneously provide in-plane shearing rigidity for the four-edge-column frame.

The invention discloses a method for fabricating a photoelectric device. A ceramic substrate is first provided, and then a first patterned electrode and a second patterned electrode are formed on and underneath the surface of the ceramic substrate. A plurality of photoelectric devices is sequentially connected to the first electrode layer with a wire solder or a eutectic joint method. The encapsulation materials cover the each photoelectric die to prevent damaged from the external force or environment. Cutting the ceramic substrate along the spaces between the photoelectric dies forms a plurality of independent package units.

The invention is concerned with computer protecting monitor device, belonging to power system auto-control process field and it is fit to form the intelligent terminal device of integration automatic system with 35 KV and less. It relates to CPU, cabinet, plug-in board and operation system. The plug-in board relates to power supply, main board, simulation/ transformer board, relay board, keyboard/ display. The said operation system is embedded task module. The task module relates to protect unit, test unit, control unit, monitor unit, communication unit, fault recorder unit and accident recorder unit. This equipment of invention can be adjusted easily with high intelligent integration and it is fit for installing on switchboard or grouping screen together. Each part fixes alone to disperse heat with strong anti-jamming ability to be replaced.

The invention relates to a lighting system of light source, comprising lighting device of light source. The lighting system of light source also comprises semiconductor cooler for cooling said lighting device of light source. The cooling surface of said semiconductor cooler is contacted with the light device of light source. Because the lighting system of light source in invention adopts semiconductor cooler to cool and cooling liquid is added in the LED chip, the dissipation of LED chip is better and small high-brightness projector can be obtained.

The invention discloses an energy-storage radiating sheet comprising a metal layer. One side of the metal layer is coated with a thermally conductive silica gel layer, and the other side of the metal layer is coated with a phase change material layer. A production method of the energy-storage radiating sheet includes the steps of coating the metal layer with one layer of thermally conductive silica gel by scraping, fully vulcanizing a tunnel furnace, coating the other side of the metal layer with one layer of phase change material by scraping, and cooling to obtain the energy-storage radiating sheet. The energy-storage radiating sheet has excellent thermal conductivity in metal, excellent flexibility and compressibility in thermally conductive silica gel, and phase change energy storage in phase change material; accordingly, the energy-storage radiating sheet can attain excellent thermal conductivity and heat dissipation through the effective application of interface contact; meanwhile, the energy-storage radiating sheet can store a great amount of produced heat first when a device runs at high speed so that chip operation is unaffected.

The present invention provides a semiconductor circuit board in which a conductor portion is provided on an insulating substrate, wherein a surface roughness of a semiconductor element-mounting section of the conductor portion is 0.3 μm or lower in arithmetic average roughness Ra, 2.5 μm or lower in ten-point average roughness Rzjis, 2.0 μm or smaller in maximum height Rz, and 0.5 μm or lower in arithmetic average waviness Wa. Further, assuming that a thickness of the insulating substrate is t1 and a thickness of the conductor portion is t2, the thickness of t1 and t2 satisfy a relation: 0.1≦t2/t1≦50. Due to above structure, even if an amount of heat generation of the semiconductor element is increased, there can be provided a semiconductor circuit board and a semiconductor device having excellent TCT characteristics.

A solid-state device includes a metal pattern formed on a substrate, a conductive bump connected to the metal pattern so as to be contact with a side surface of the metal pattern, and a solid-state element connected to the metal pattern via the conductive bump. A bottom surface level of at least a portion of the conductive bump is substantially equal to a bottom surface level of a portion of the metal pattern at which the metal pattern is connected to the conductive bump.

The invention relates to a lighting equipment of light source, comprising an illuminator of light source, characterized in that the illuminator of light source comprising LED array; the LED array is set in the sealing container; light conducting device assembled with the LED array for conducting light of LED array out is set on the sealing container; transparent cooling liquid for cooling the LED array is filled in the sealing container; and heat conducting device for conducting heat quantity of said cooling liquid out is set on the sealing device. Because cooling liquid is added in the LED chip in said lighting equipment of light source, heat dispersion of LED chip is better and light conducting device is set so that the effect of light extraction is very good.

The invention discloses a pad structure of a circuit board and a manufacturing method thereof. The circuit board is provided with a plurality of pads not covered by a solder mask on the surface of the circuit board and connected with the line of the circuit board, and the pads are higher than the surface of the circuit board. The manufacturing method is performed according to the following steps of: a, covering a protection layer at the pad position of an outer metal layer of the circuit board according to the design; b, thinning the outer metal layer not covered by the protection layer for set thickness by using a micro etching technology; c, washing off the protection layer, and performing the subsequent etching technology of the line and the pad of the circuit board according to the design to manufacture the line and the pad of the circuit board; d, performing a solder resisting technology according to the design to enable the solder mask to cover the line of the circuit board, wherein the thinned set thickness of the outer metal layer in the step b is greater than the thickness of the solder mask in the step d. As the pads are higher than the surface of the circuit board, after the subsequent client correspondingly solders each element to each pad, the weld between the element and the circuit board has good heat dissipation so that high-temperature oxidation is not easy to happen during use.

The invention discloses a resistance strain gauge which comprises a substrate. A sensitive grid is stuck to an upper panel of the substrate through a binder. The left end and the right end of the sensitive grid are connected with leads respectively, and the section of the sensitive grid is arranged to be rectangular. A surface covering is arranged on the sensitive grid which is made of semiconductor materials. The sensitive grid is a foil type piece. The resistance strain gauge is small in sensitivity coefficient dispersibility and high in measurement accuracy.

The invention discloses a distribution network automatic ring main unit with high heat dissipation. The distribution network automatic ring main unit comprises a machine cabinet; a base is fixedly connected with the bottom surface of the machine cabinet; a storage battery is fixedly connected with the middle position of the top surface of the machine cabinet; a solar panel is arranged above the storage battery; the bottom surface of the solar panel is fixedly connected above the machine cabinet through a supporting block; storage boxes are fixedly connected above the left and right side surfaces of the machine cabinet respectively; a motor is arranged on the bottom surface of the inner cavity of each storage box; the motor is fixedly connected with the bottom surface of each storage box; the output shaft of the motor is connected with a rotary shaft through a coupler; one end, far from the motor, of the rotary shaft is movably connected with the inner wall of each storage box; wiring wheels are fixedly inserted and connected in the rotary shaft; and ventilation boxes are arranged on the left and right side surfaces of the machine cabinet. By virtue of the setting of the ventilation boxes, the interior of the machine cabinet can be ventilated to realize a heat dissipation effect at any time; by virtue of heat dissipation fans, heat dissipation is accelerated; and by virtue of a telescopic apparatus, the machine cabinet is effectively protected from rain water, so that the problem of poor heat dissipation of the automatic ring main unit is solved.

The invention relates to an expandable processing device. The expandable processing device comprises a case with an opening formed in the back. A plurality of first ventilation holes are formed in a front face plate of the case, a plurality of guiding rails arranged at intervals and correspondingly used for inserting different functional business modules are arranged in the case, the length direction of the guiding rails is perpendicular to the front face plate, a bus back plate functionally butting joint with the functional business modules is arranged between the guiding rails and the front face plate, a plurality of second ventilation holes are formed in the bus back plates, the bus back plate and the front face plate are arranged in parallel, an initiative heat dissipation assembly is arranged between the bus back plate and the front face plate and comprises a partition plate, air sucking fans for sucking air outside the case are arranged on the partition plate, and air blowing fans for blowing air into the case are arranged below the partition plate. By means of the guiding rails in the case, relative independence of installing space of the different functional business modules is achieved, electromagnetic interference between the functional business modules is reduced, heat dissipation can be achieved, and according to the front-feeding and front-discharging mode and the bottom-feeding and the top-discharging mode of the initiative heat dissipation assembly, it is guaranteed that devices inside the case can work within the wide temperature range.

An LED light source model has a substrate, at least one bare LED chip, a transparent layer and an optical light collecting element. The substrate has a top face, a bottom face and at least one chip cup defined on the top face. The at least one LED chip is mounted in the at least one chip cup. The transparent layer is formed on the top face to seal the at least one chip cup. The optical light collecting element is mounted on the top face to collect the light from each chip cup to increase the light intensity. A plurality of fins or recesses are formed or defined on the bottom face to increase a heat dissipation area. When each bare LED chip is in operation mode, heat from the bare LED chip will be conducted to the bottom face and then dissipate to the ambient air quickly.

The invention discloses an efficient heat dissipation device for a computer mainframe structure. The device comprises a box body, a partition board is fixedly connected to the portion between the bottoms of two sides of the inner wall of the box body, and an exhaust fan, a water tank, a drying oven and a motor are fixedly connected to the bottom of the inner wall of the box body from left to right in sequence; a first bevel gear is arranged on the output shaft of the motor in a sleeving mode, a first rotating rod is rotatably connected to the right side of the bottom of the inner wall of the box body through a bearing, and a second bevel gear is arranged on the surface of the first rotating rod in a sleeving mode; the surface of the second bevel gear is meshed with that of the first bevel gear. The invention relates to the technical field of computers. According to the efficient heat dissipation device for the computer mainframe structure, continuous rotation, air jetting and cooling are conducted on a computer mainboard, the aim that a computer mainframe is subjected to all-sided cooling is achieved, it is guaranteed that the computer mainboard cannot cause abnormal use of the computer due to the overheating mainboard caused by incomplete cooling, and the actual service life of the computer mainboard is guaranteed.

The invention provides an electrostatic discharge protection component, and electronic component module using the same. An electrostatic discharge protection component comprises a ceramic sintered body having ceramic substrate 12, varistor portion 10 formed thereon by avoiding a part of non-forming area 18, and glass ceramic layer 14 formed thereon, a par of terminal electrodes 13 a, 13 b provided on the surface of glass ceramic layer 14 of the ceramic sintered body, a pair of external electrodes 16 a, 16 b, and heat conducting portion 15 penetrating through ceramic substrate 12 vertically, and therefore by installing and mounting a light-emitting diode on heat conducting portion 15 in non-forming area 18 of the electrostatic discharge protection component, the size can be reduced, and the heat generated by the mounted component may be released efficiently.

The invention discloses a light-emitting LED device with a 360-degree light emitting function. The light-emitting LED device with the 360-degree light emitting function comprises a support used for supporting LED chips, pins leading the positive electrodes and the negative electrodes of the LED chips out and forming glue sealing the whole support and partial pins. The pins are arranged at the two ends of the support, and are matched with the support to form a supporting skeleton of the whole LED device; the support is of a triangular prism structure, and the LED chips are divided into three groups which are attached to three outer surfaces of the support respectively. Compared with a traditional LED chip, the light-emitting LED device with the 360-degree light emitting function is larger in surface area and better in heat dissipation performance; after the whole support and partial pins are sealed through the forming glue, a rotational symmetry structure is formed and ensures that the light-emitting LED device can evenly emit light within 360-degree space; because yellow powder, green powder and red powder are added to the forming glue according to a proper proportion, the color rendering index of the forming glue is larger than 90, the lighting effect can reach 110m/w, and the forming glue can better reflect the actual colors of an object. The LED device has good university, is attractive in appearance and can be applied to various illumination occasions like indoor and outdoor occasions.

A wall structure according to an exemplary embodiment of the present invention as a wall structure of one case among a battery cell, a battery sub-module, a battery module, and a battery system includes a multi-layered structure having a first layer toward an inside of the case, the case, a third layer toward an outside of the case, and a second layer between the first layer and the third layer, wherein the first layer is configured to electrically isolate the second layer from the inside of the case, the second layer includes an ablative material and is configured to act as a heat shield for the third layer, and the third layer has higher thermal conductivity than the second layer.

The invention relates to the technical field of an LED (light emitting diode) and particularly relates to an LED lamp tube. The LED lamp tube comprises a light transmitting shell, lamp caps and LED units, wherein the lamp caps are arranged on the two ends of the light transmitting shell and are used to provide power supply, the LED units are arranged in the light transmitting shell, each LED unit comprises an LED wafer and packaging resin covered on the LED wafer, each LED unit is arranged in a mode of extending along the axial direction of the lamp tube, heat dissipation pieces are connected under the LED units, and the lower end of the heat dissipation piece is provided with a supporting foot extending to the outside of the light transmitting shell. The LED lamp tube provided by the invention can better realize heat dissipation; and meanwhile, the structure is simple, the wiring can be easy to realize, and thus the LED lamp tube is realistically possible to be promoted and put into practice.

This invention relates to a plate fluorescent lamp, which comprises at least one snakelike cold cathode fluorescent lamp tube, a driver and a hull, an electric connector, wherein the input of the driver is connected with the electric connector through the blasting fuse to connect the outer power, while the output is connected with the electrode through the blasting fuse; said snakelike cold cathode fluorescent lamp tube is fixed in at least one lamp fixing frame, and the driver casing integrates the snakelike cold cathode fluorescent lamp tube, driver, lamp fixing frame and electric connector into a whole light. Said invention can be used for instead the present normal lighting lamp, or used for light modulation, color mixture and color change lighting.

The invention discloses an all-fiber laser system and method for generating a high-energy rectangular pulse, and aims to solve the technical problem that it is difficult for an existing fiber laser todirectly output a high-energy rectangular laser pulse. The system comprises a passive mode-locked fiber laser (1), an isolator (2), a fiber amplifier (3), a first common single-mode fiber (4), a highly nonlinear fiber (5), a programmable optical filter (6) and a second common single-mode fiber (7) which are successively connected. The all-fiber laser system is simple and compact in structure andgood in stability. A high-energy rectangular laser pulse output with an adjustable pulse width can be realized by adjusting the pumping power of the fiber amplifier (3) and the filtering bandwidth ofthe programmable optical filter (6), thereby greatly reducing system cost. The system can be used directly as a picosecond and nanosecond rectangular pulse source, or as a seed source for high-energypulse amplifiers.

The invention provides a rim floating damping wheel for a non-pneumatic tire. The rim floating damping wheel includes a floating damping rim and a non-pneumatic tire; the floating damping rim includesan inner spoke plate and an outer spoke supporting ring, wherein a plurality of lateral buffer supports are arranged between the inner spoke plate and the outer spoke supporting ring; a radial elastic supporting function of the floating damping rim is achieved by horizontal compression springs two ends of which are supported between the adjacent lateral buffer supports, radial compression springsand tension springs; the non-pneumatic tire includes a tire body and a lining; the lining is pressed in the tire body in the circumferential direction; the lining is made of steel wires or nylon wires; a plurality of heat dissipation cavities are formed in an inner ring of the tire body in the circumferential direction; a plurality of counter bores are formed in two side surfaces of the tire bodyin the circumferential direction; and the tire sleeves the outer periphery of the floating damping rim, which are jointed together. The floating damping rim can provide a good damping effect, and theservice life of the wheel is long; a good heat dissipation performance can be achieved through the heat dissipation cavities; and when the tire is worn, the tire can be singly detached and changed.

The invention relates to a full-automatic mechanical vehicle height regulation oil-gas suspension frame, which belongs to the technical field of oil-gas suspension frames, wherein an oil-gas spring upper support seat, an oil-gas spring upper cylinder tube and an oil-gas spring lower cylinder tube are fixedly connected to form a cylinder body; a low-voltage energy accumulator, a high-voltage energy accumulator and an orifice valve are all in external arrangement, and are communicated with corresponding interfaces arranged on the oil-gas spring upper support seat; a piston rod slides upwards and downwards along the inner wall of the oil-gas spring lower cylinder tube; a regulating rod is a hollow rod and can slide upwards and downwards along the inner wall of a regulating sleeve pipe, the upper end is connected with a regulating rod interface arranged on the oil-gas spring upper support seat, the lower end is provided with a lead-in valve and a regulating rod oil hole, and the side wall of the lower part is provided with an oil drainage hole and an induction passage; and the regulating sleeve pipe is a hollow rod, is fixed on the inner wall of the piston rod, and is coaxial with the regulating rod and the piston rod, the upper end and the lower end are provided with sealing rings, and the lower end of the regulating sleeve pipe is provided with a lead-out valve and a regulating sleeve pipe oil hole. The invention can realize the automatic regulation of the vehicle height without an electronic control system, and has the advantages of simple structure, high reliability and good heat radiation performance.

The invention belongs to the technical field of motors and discloses a variable-pole variable-phase dual-rotor axial magnetic flux annular winding synchronous motor comprising a stator and rotors, wherein the rotors comprise a right rotor, a left rotor and a rotor shaft; the right rotor and the left rotor are coaxially connected to the rotor shaft; the stator is disposed between the right rotor and the left rotor; independent air gaps are arranged between the right rotor and the stator and between the left rotor and the stator; the stator comprises a stator core and a stator annular winding; the stator core is a disc-shaped annular core; the stator annular winding is connected with an inverter; the left and right rotors each comprise a rotor core and an exciting winding; the stator annularwinding corresponds to the exciting winding; and the exciting winding is connected to a controllable DC power supply. The variable pole and the variable phase of the motor are achieved by changing the direction and the magnitude of the exciting current and the magnitude and the phase of the armature current. The phase number and the pole number of the motor can be changed in a non-stop manner, and the speed of the motor can be regulated within a wide range.

The invention discloses a power battery system .The power battery system comprises a battery module .The battery module comprises a mono-battery, a fixing mechanism and a heat conduction layer .The fixing mechanism comprises two symmetrical frameworks, each framework is provided with a groove with one face open and five faces for enclosing, the two frameworks clamp the mono-battery from the two sides through the grooves, and the top face, the bottom face and the two opposite side faces of the mono-battery are in sealing fit with four side walls of the grooves respectively .The heat conduction layer is made of phase-change materials and is arranged between the bottom walls of the grooves and one of the other two opposite side faces of the mono-battery .According to the power battery system, a sealed interlayer for containing the heat conduction layer is formed between the mono-battery and the grooves, the heat conduction layer is wrapped and supported and can make direct contact with the mono-battery, the heat conduction layer is protected against damage when the battery module runs, the service life is prolonged, and the heat conduction layer plays a good and stable heat dissipation role.

The invention discloses a protection device for a battery pack of a new energy automobile. The protection device comprises a battery box, wherein a lower support strip plate, an upper support strip plate and a grid plate are arranged in the battery box; the grid plate is distributed at the bottom end of an inner cavity of the battery box in a square way; the bottom end of the grid plate is fixedlywelded with the center of the bottom end of the battery box; the lower support strip plate is fixedly welded at the bottom end of the inner cavity of the battery box in the grid plate; the side end of the lower support strip plate is fixedly welded with the grid plate. The protection device for the battery pack of the new energy automobile has the advantages that when the automobile is driven insunny days and does not encounter with water pits, a cover plate and a plug valve are opened to exchange heat with outside cold air flow to carry away heat, and the air cooling type is matched with the water cooling type of the automobile self, so that the good heat radiating property is realized; when the automobile is driven in rainy days or encounters with water pits, the cover plate is covered, and the plug valve is closed, so that the outside water is prevented from entering the battery box, and the short-circuiting of the battery of the battery box due to water is avoided; the whole heatradiating property is better, and the waterproof effect is good.

The invention discloses an external oil cooling structure of a rotary-vane vacuum pump; and the energy-saving and environment friendly external oil cooling structure of the rotary-vane vacuum pump, which is used for cooling vacuum pump oil by using an external condenser, used for air-cooling the condenser by using a motor fan, has a good vacuum pump oil cooling effect, is used for prolonging the service life of the vacuum pump oil and is beneficial for stably developing the performance of the vacuum pump, is provided; technical problems that oxidative deterioration of the vacuum pump oil is accelerated because the rotary-vane vacuum pump oil at high temperature cannot be effectively cooled, the performance of the vacuum pump is directly affected when serious oxidative deterioration is caused and so on are solved; the condenser is arranged on the other side of the vacuum pump of the motor fan; an inlet end of the condenser is connected with one end of a condenser oil inlet; an outlet end of the condenser is connected with one end of a condenser oil outlet pipe; the other end of the condenser oil inlet pipe extends and is communicated with a corresponding lubricating passage above a pump stator; and the other end of the condenser oil outlet pipe extends and is communicated with an oil tank.

The invention relates to a high-ductility aluminum alloy material. The high-ductility aluminum alloy material comprises, by weight percentage, 0.33%-0.37% of Si, not larger than 0.16% of Fe, not larger than 0.012% of Cu, 0.47%-0.52% of Mg, 0.015%-0.025% of Mn, not larger than 0.01% of Cr, not larger than 0.012% of Zn, 0.01%-0.015% of Ti and the balance Al. According to the high-ductility aluminum alloy material, a specific formula is selected to prepare the high-performance aluminum alloy material with the high ductility and the high strength; meanwhile, the high-ductility aluminum alloy material has the beneficial effects of being light, resistant to abrasion and good in plasticity; and in addition, the heat dissipation performance is excellent, and the high-ductility aluminum alloy material can be used for manufacturing auto spare parts, high-grade doors and windows, radiator accessories and display frame shells, and is wide in market prospect.

The invention relates to a square lithium ion power battery, which is characterized in that a lug of a mandrel is placed at the outermost layer of the mandrel, the lug extends along the arc side surface of the mandrel and the extending direction of the lug is perpendicular to the arc side surface. An anode lug is threaded through a spacer and welded on a cover plate; a cathode lug is threaded through a spacer and welded on a connecting sheet. The anode/cathode lug and the connecting sheet are folded at the rear of a spacer groove, the spacer is fastened on an insulated rubber pad of the coverplate. The invention also provides a method for welding the cathode lug. The present invention has the advantages that a thin shell with wide and short shape is employed, the heat dissipation of the battery is good and the metal shell is easy to process for forming. The lug is arranged at the outermost layer of the mandrel, which avoids the problem of short circuit generated when the battery falls or the impacted lug and the connecting sheet enter in the mandrel. The method of welding cathode lug is capable of effectively inhibiting the disadvantage of easy rupture force of copper foil cathode lug when being smashed and being pulled by external force; an engagement structure of the spacer and the insulated rubber pad is employed for effectively preventing the poor positioning of the spacer.

Provided is a heat sink capable of improving heat dissipating characteristics and saving space with a reduced fin size. The heat sink is provided with: a base plate which has one surface thermally connected to a heat generating component and which has thermally connected thereto a first heat dissipating fin section composed of a thin plate fin; an upper plate which has a second heat dissipating fin section thermally connected on one surface, the second heat dissipating fin section being composed of two kinds of thin plate fins having different heights; and a plurality of heat pipes which are disposed between the other surface of the base plate and the other surface of the upper plate by being thermally connected to the surfaces and which include a heat pipe that has at least a part thereof inserted into a part of the second heat dissipating fin section.