106results about How to "Avoid heat accumulation" patented technology

The invention discloses a device and method of intelligent water-cooled wire arc additive manufacture for reducing the heat accumulation in a stack layer. The device comprises four parts: a stack system, a sensing system, a control system and a water cooling system. During the process of the wire arc additive manufacture, through the water cooling system, the cooling water continuously flows through the side of the stack layer, and most of the heat is taken away, so that the temperature of the stack layer is quickly reduced; the sensing system collects temperature information and water level information in the water cooling system in real time through a temperature sensor and a water level sensor; the computer control system automatically controls the water level and temperature in the water cooling system through the information collected by the sensing system, the method based on the device effectively solves the problem of severe heat accumulation in the stack layer during the stacking process of metal components by using the mode of circulating cooling water with constant temperature, greatly improves the forming efficiency and forming quality of the wire arc additive manufacture method, and refines the grains of the metal component tissue.

A system and method that controls the amount of energy accumulated at the collection location of a printing device to prevent image transfer or offsetting between sheets of stacked media, in particular, media of high thermal capacitance. This may be accomplished by regulating one or more of a combination of factors, including media process speed and sheet interval or pause time, while providing adequate fusing of the toner and an efficient printing operation.

An optical module provided by the invention comprises a circuit board; a base embedded in the circuit board; a laser assembly attached to the base and used for emitting light without carrying signals;a silicon optical chip attached to the base, wherein a third light hole is formed in the silicon optical chip, and light which is emitted by the laser assembly and does not carry signals is receivedthrough the third light hole; and a laser upper cover, wherein the bottom of the laser upper cover is fixedly connected with the base, and the laser upper cover is used for covering the laser assemblyand sealing the laser assembly between the laser upper cover and the base. The invention provides the optical module. The laser assembly and the silicon optical chip are arranged on the base, the laser assembly is sealed through the laser upper cover, and the laser assembly and the silicon optical chip are directly cooled through the base, so that internal heat dissipation of the optical module is facilitated, concentrated accumulation of internal heat of the optical module is avoided, the laser assembly arranged on the base is directly wrapped by the laser upper cover, packaging of the laserassembly is omitted, and packaging of the laser assembly is facilitated.

Making a wear resistant member by compacting a powder mixture containing a matrix forming powder and a hard phase forming powder, the matrix forming powder containing 90 mass % or more of particles having a maximum diameter of 46 microns, and the hard phase forming powder being 40 to 70 mass % with respect to the powder mixture.

The invention discloses a high-safety composite diaphragm. The diaphragm comprises a commercial diaphragm, wherein the single-side or double-side surface of the commercial diaphragm is coated with atleast one functional material layer; the commercial diaphragm is used for bearing and fixing the functional material layer; the functional material layer comprises a high-thermal-conductivity material, a conductive agent, a lithium ion conductive material, a binder and a dispersing agent. In addition, the invention also discloses a preparation method of the high-safety composite diaphragm. The method comprises the following steps: 1, uniformly mixing the high-thermal-conductivity material, the conductive agent, the lithium ion conductive material, the binder, the dispersing agent and the solvent to obtain functional material layer slurry; 2, performing single-sided or double-sided coating on the commercial diaphragm by using the functional material layer slurry in a micro-gravure coating mode to obtain a composite diaphragm; 3, sequentially carrying out drying treatment, heat setting and rolling operation on the composite diaphragm. Starting from two aspects of heat generation and heatconduction, heat accumulation caused by short circuit in the battery can be effectively inhibited, and thermal runaway is avoided.

The present invention relates to a heating resistor element and manufacture method thereof, and a thermal head and a printer. Provided is a heating resistor element (1), including: an insulating substrate (9); a heat accumulating layer (10) bonded to a surface of the insulating substrate (9); and a heating resistor (11) provided on the heat accumulating layer (10), in which: on at least one of bonded surfaces (9a) between the insulating substrate (9) and the heat accumulating layer (10), at least one of the insulating substrate (9) and the heat accumulating layer (10) is provided with a concave portion (16) in a region opposed to the heating resistor (11) to form a hollow portion (17); an inner surface arranged in the hollow portion of the heat accumulating layer is formed glossily, and the inner surface being processed to have surface roughness (Ra) of 0.2 mum or more. Accordingly, heat accumulation in a gas of the hollow portion (17) can be suppressed to improve printing quality.

The invention discloses a vibration damping device for a transplanting machine, and relates to the technical field of agricultural machinery. The vibration damping device comprises a base. A vibrationsensor is disposed on the base, and the base is fixedly connected with a buffering cylinder. A spring pipe is fixedly connected with the inner bottom of the buffering cylinder. A piezoelectric pieceis disposed at the bottom of the spring pipe. A cavity is formed in the spring pipe. The two inner sides of the cavity are each fixedly connected with an electrode deposited film and the cavity is filled with electro-rheological fluid. The end, away from the bottom of the buffering cylinder, of the spring pipe is fixedly connected with a piston block. A slide cavity is formed in the piston block.A controller, in cooperation with the vibration amplitude of vibration of the base, controls the intensity of an electric field between the two electrode deposited films in the spring pipe to controlthe yield strength of the electro-rheological fluid under the electric field, thereby controlling the buffering capacity of the spring pipe and effectively realizing a buffer vibration damping effectfor the corresponding vibration amplitude.

The invention discloses a high-safety composite positive plate, and comprises a lithium ion battery positive electrode. The upper side surface and the lower side surface of the lithium ion battery positive electrode are coated with at least one functional material layer; and the functional material layer comprises a high-thermal-conductivity inorganic nano material, a conductive agent, a lithium ion conductive material, a binder and a dispersing agent. The invention also discloses a lithium ion battery using the high-safety composite positive plate, and a preparation method of the high-safetycomposite positive plate. The invention discloses a high-safety composite positive plate and a preparation method and an applied lithium ion battery thereof. Starting from two angles of heat production and heat conduction, the concept of 'electricity/heat conduction (namely electricity and heat comprehensive conduction)' is introduced, 'less heat production and quick heat conduction' are realized,and heat accumulation caused by short circuit in the battery can be effectively inhibited, so thermal runaway is avoided, the safety of the high-energy-density lithium ion battery is further improved, and the lithium ion battery has important practical significance.

The invention discloses a conductive connecting device. The conductive connecting device comprises an insulating shell, a transverse shaft is fixedly arranged in the side wall of an inner cavity of the insulating shell, a panel is fixedly arranged at the end, penetrating through a movable opening, of an insulating supporting column, and the movable opening is covered with a waterproof breathable film; a conductive rotating rod is arranged in the insulating supporting column in a penetrating mode, a first interface end and a second interface end are arranged at the two ends of the conductive rotating rod respectively, and a first conductive block and a second conductive block are symmetrically arranged in an insulating arc plate. The end, away from the conductive rotating rod, of an L-shaped conductor is movably arranged on a conductive arc plate, and a conductive connecting rod is arranged on the conductive arc plate in a communicating mode. The invention provides the conductive connecting device which can select multiple electric connection modes, is waterproof and heat-dissipating, can automatically jack up the panel to power off the device when a circuit is overheated due to short circuit and overload, and is safer and more stable. The invention also provides the electrical switch comprising the conductive connecting device, is convenient to use, and is very worthy of popularization.

A pluggable electronic device includes a base, a heat source module and an upper cover. The base is made of a metal material. The heat source is disposed at the base. The upper cover covers the heat source module, is connected to the base, and includes an enclosed cavity and an operating fluid cyclically performing evaporation and condensation in the enclosed cavity.

The invention discloses a barn with a heat dissipation function, which comprises a barn body composed of a top wall, a bottom wall, a front side wall and a rear side wall, and a left side wall and a right side wall. There is an inner roof in the warehouse body, the space between the inner roof board and the top wall in the warehouse body is the top heat insulation chamber, the space between the inner roof board and the bottom wall in the warehouse body is the storage chamber, and there is a wall row on the left wall. Air duct, there is a wall air intake channel on the right wall, an air intake channel opening and closing door is provided on the wall air intake channel, a number of rainwater irrigation inlets connected with the top heat insulation chamber are provided on the top wall, There is a drainage channel connected with the top heat insulation cavity, a drainage on-off valve is arranged on the drainage channel, and an exhaust fan is arranged in the wall exhaust channel. The beneficial effects of the invention are: the structure is reasonable, the heat accumulation caused by sun exposure can be effectively prevented, and the cooling ability can be enhanced in rainy weather to improve the heat dissipation effect.

The invention is suitable for the field of protective articles, and provides high-performance adsorption film used for removing VOC exhaust gas. The film includes activated carbon fiber-type nonwoven fabric membranes and adsorbent particles. The adsorbent particles are clamped between the activated carbon fiber-type nonwoven fabric membranes and are fixed to the activated carbon fiber-type nonwoven fabric membranes through adhesive particles. The particle size of the adsorbent particles is 200-500 [mu]m. The particle size of the adhesive is one fourth to one third of the particle size of the adsorbent particles. In the film, the activated carbon fiber-type nonwoven fabric membranes are adopted as substrate filtration membranes, and activated carbon fibers when compared with activated carbon have higher adsorption capacity and higher adsorption-desorption speeds and have acid-resistant and alkali-resistant properties.

The invention relates to the technical field of power electrical control cabinets, and discloses a power electrical control cabinet convenient for wiring, which comprises a control cabinet body and acabinet door formed on the control cabinet body; a component mounting frame is fixedly mounted on the front surface of the inner wall of the control cabinet body, and components are fixedly mounted onthe component mounting frame. The invention discloses the power electrical control cabinet convenient for wiring. A sliding groove, a round rod, a threaded rod and a movable block are arranged; in use, firstly, components are mounted on the component mounting frame according to specification requirements, and a safety gap between components is retained; if a wire inlet hole in the movable block and a wiring port of the component are not on the same straight line, the movable block is held by hand to rotate, so that the threaded rod is far away from the round rod, a sliding block can slide onthe round rod at the moment, so the wire inlet in the movable block can be aligned with the wiring port of the component; the movable block is rotated reversely to enable the threaded rod to abut against the round rod, the sliding block is fixed, wiring is vertical, and the attractiveness of wiring is improved.

To obtain a vapor-deposition mask that suppresses heat conduction at a frame of the vapor-deposition mask and make the weight thereof lighter to achieve upsizing of the vapor-deposition mask and carry out high-definition vapor-deposition cheaply, the frame (15) to which a mask main body (10) is bonded is formed as a sandwich structure (150) in which end plate (152) is bonded onto an opposing surface of at least a part of a core portion (151) in the vapor-deposition mask disclosed in the present embodiment.

The invention discloses a rice germination device, comprising a shell; the outer wall of one side of the shell is provided with an opening, a side door is hinged to the outer wall of one side of the shell close to the opening, a water trough is welded to the inner wall of the bottom of the shell, a water inlet of a water pump is connected to the outer wall of one side of the water trough through a guide pipe, the water pump is fixedly connected to the outer wall of the shell through screws, a water outlet of the water pump is connected with a water supply pipe that is extended to the top of the shell, both the bottom of the water supply pipe and the top of the shell are provided with through holes arranged at equal intervals, the bottom of the water supply pipe is threadedly connected with an atomizing nozzle positioned in the shell, springs distributed in equal intervals are welded to the inner wall of one side of the shell, and a gas storage tank is welded to the outer wall of one side of the shell far away from the springs. The rice germination device can ensure moisture for rice seeds, the air temperature in the shell is distributed evenly, accumulative heating of the rice seeds is avoided, and budding rate of rice can be increased.

The invention discloses a Lei bamboo shoot fresh-keeping storage device. The Lei bamboo shoot fresh-keeping storage device includes a storage box, a Lei bamboo shoot placement rack is arranged in thestorage box, the Lei bamboo shoot placement rack includes two side plates, a plurality of placement plates, a limiting net, two tie rods and sliding grooves, the two side plates are arranged in parallel, the multiple placement plates are fixedly installed between the side plates, the sliding grooves are formed in the side surfaces of the side plates adjacent to the placement plates, both ends of the tie rods are slidably installed in the sliding grooves, and the limiting net is fixedly installed between the two tie rods; supporting devices are arranged below the Lei bamboo shoot placement rack, the supporting devices include fixed blocks, connecting rods, supporting blocks, sliding blocks and guide rods, the supporting blocks at the bottom of the Lei bamboo shoot placement rack move up anddown to stretch and compress springs, vibration is reduced, it is ensured that Lei bamboo shoots cannot be damaged during transportation, and economic efficiency and practicability are improved; andan atomizing nozzle humidifies and cools the Lei bamboo shoots placement rack to guarantee the temperature and humidity in the storage box, the rot of the Lei bamboo shoots on the placement plates isavoided, and the economic efficiency and the practicability are improved.

The invention discloses a solar intelligent low-temperature grain storage system. The solar intelligent low-temperature grain storage system comprises an intelligent control system, a small grain cooling fan and a grain storage warehouse used for stacking a grain pile, a solar panel assembly is fixedly installed on the outer surface of a roof of the grain storage warehouse through a supporting frame, the solar panel assembly is connected to an electric energy storage device, the electric energy storage device provides electric energy for the intelligent control system, and an overhead channelis formed between the solar panel assembly and the outer surface of the roof of the grain storage warehouse; a refrigerating pipe set composed of a plurality of refrigerating pipelines is vertically inserted into each of the two sides inside the grain pile, a plurality of air-permeable holes are uniformly formed in each refrigerating pipeline, the bottom ends of all the refrigerating pipelines ofthe refrigerating pipe set on one side are connected to the small grain cooling fan through communicating pipes, and the bottom ends of all the refrigerating pipelines of the refrigerating pipe set onthe other side communicate with the exterior of the grain storage warehouse through connecting pipes; and the upper surface of the grain pile is covered with a layer of plastic film in a sealed mode,and the plastic film is covered with a layer of heat insulation plate. According to the solar intelligent low-temperature grain storage system, links can be reduced, the cost is saved, and temperature-control and oxygen-control effects are good.

The invention discloses an electric auxiliary heating system for an old-fashioned air conditioner. The electric auxiliary heating system comprises a first relay, a second relay, a temperature limiter, an electric auxiliary heating part, a heat blown fuse, reversing valve current, inner draught fan current and other components. A hot wire is connected with the input end of the first relay. The control end of the first relay is connected with the reversing valve current. The output end of the first relay is connected with the input end of the second relay. The control end of the second relay is connected with the inner draught fan current. The output end of the second relay is connected with one end of the temperature limiter, and the other end of the temperature limiter is connected with one end of the electric auxiliary heating part. The other end of the electric auxiliary heating part is connected with one end of the heat blown fuse. The other end of the heat blown fuse is connected with a zero wire. The electric auxiliary heating system has the effects of low power consumption, high safety and low cost. The invention further discloses an electric auxiliary heating control method and the air conditioner, and potential safety hazards caused by overheat of the electric auxiliary heating part 4 can be effectively prevented through the temperature limiter and the heat blown fuse.