33results about How to "Extend the distribution path" patented technology

This application relates to the field of new energy battery pack technology, and in particular to a liquid-cooled battery module, including a liquid-cooled tray and a battery pack with the liquid-cooled tray. The liquid-cooled tray includes a liquid-cooled plate, which has a liquid-cooled cavity. The liquid-cooled cavity is provided with several liquid-cooled baffles, which divide the liquid-cooled cavity into several interconnected flow equalization and distribution sections. The liquid-cooled plate is provided with a sealing plate assembly, a liquid inlet assembly, and a liquid outlet assembly. The liquid inlet assembly includes a metal liquid inlet pipe and a liquid inlet connector connected to the liquid-cooled cavity. The liquid outlet assembly includes a metal liquid outlet pipe and a liquid outlet connector connected to the liquid-cooled cavity. The liquid inlet assembly and the liquid outlet assembly are located on the same side along the length of the liquid-cooled plate. The liquid-cooled baffles effectively extend the flow path of the coolant, thereby increasing the heat exchange time between the coolant and the battery cell. At the same time, it avoids the use of plastic pipes, effectively simplifies the installation steps, reduces leakage, and improves the stability of the battery module.

The utility model discloses an LED luminous tube which comprises an inner injection molding body, an outer injection molding body, a metal support, an LED luminous chip and packaging glue. The outer injection molding body wraps the outer side of the inner injection molding body, and a light-emitting cavity is formed between the outer injection molding body and the inner injection molding body; the metal support is embedded in the inner injection molding body and extends to the outer side of the outer injection molding body to form a first welding leg and a second welding leg, and the extending direction of the first welding leg is perpendicular to the extending direction of the second welding leg. The LED light-emitting chip is installed on the metal support and located in the light-emitting cavity. And the packaging glue is filled in the light-emitting cavity. The light-emitting cavity is formed by the inner injection molding body and the outer injection molding body, a stable installation environment is provided for the LED light-emitting chip, meanwhile, the light-emitting cavity is filled with the packaging glue, the propagation path of light is optimized, and the light-emitting efficiency is improved. According to the design, the layout of electrical connection is optimized, meanwhile, the welding reliability is remarkably improved, and the problems of pseudo soldering, unsoldering and the like are prevented.

The utility model relates to the technical field of LED packaging, in particular to a side-emitting multi-color integrated LED packaging structure, which comprises a ceramic substrate provided with a common-anode RGBW chip group. The RGBW chip set is directly welded on the ceramic substrate by adopting a flip chip design, the overall thickness of the packaging structure is less than or equal to 1.2 mm, the RGBW chip set is matched with preset solder paste below the RGBW chip set to be mounted on a bonding pad, the RGBW chip set is directly welded on the ceramic substrate by adopting the flip chip design, technologies such as gold wire bonding and matching with a film pasting technology are abandoned, and the packaging structure is simple in structure, convenient to manufacture and high in packaging efficiency. The overall thickness of the packaging structure is smaller than or equal to 1.2 mm, the packaging thickness is greatly reduced, the packaging structure can perfectly adapt to ultrathin application scenes such as side-entry backlight, the problem in the aspect of ultra-thinness in the traditional technology is effectively solved, the number of bonding pads is reduced to five by adopting the design that RGBW four-in-one chips share the anode / cathode, the anodes of the RGBW chips are connected in parallel, and the thickness of the packaging structure is greatly reduced. Only one common bonding pad and four independent bonding pads are needed, and the problem that bonding pad wiring is complex in the prior art is solved.

This invention relates to a low-noise optical module three-temperature testing device, comprising a test box with a test cavity formed inside. An air inlet pipe is connected to the test box and communicates with the test cavity. A first silencing cavity is also formed inside the test box, and a first exhaust channel communicating with the first silencing cavity is provided on the test box. A duct is also connected to the test box, connecting the test cavity and the first silencing cavity. By setting up the first silencing cavity and connecting it to the test cavity via the duct, this invention not only extends the gas flow path within the test box and serves to store airflow, but also significantly increases the gas flow area and the diffuse reflection area and number of reflections within the test box, thereby reducing gas velocity and noise energy, achieving noise reduction. The test cavity-duct-first silencing cavity can form a Venturi effect, resulting in better noise reduction.

This utility model relates to the field of lighting technology, and more particularly to a ceiling light, including a top panel, a lens, a back panel, a lamp panel, a mounting plate, and an optional battery. The top panel is formed by a cavity enclosed by a circular base plate and annular side plates. The base plate has a recessed portion to accommodate the lens, which is fixed by a ring rib and a positioning groove and glued to improve light efficiency and sealing. Symmetrical positioning parts are provided on the inner side of the base plate, which, together with the back plate, achieve horizontal and vertical positioning of the lamp panel, eliminating the need for independent elastic buckles and simplifying the mold design. The back plate is fixed to the top panel by a glue groove, elastic buckles, and the top panel, allowing for flexible switching of protection levels. The cable is clamped and fixed by the slots of the back plate and the base plate, avoiding the need for additional tail clips. The communication indicator light of the lamp panel corresponds to a thin-walled hole in the recessed portion of the base plate, and the thin-walled hole is designed to resist impact. The mounting plate is detachable and installable by a spring clip and a snap-fit ​​structure, facilitating ceiling installation. This ceiling light has an optimized structure, is easy to assemble, improves light efficiency and protection performance, reduces costs, and is suitable for various scenarios.

The utility model discloses a temperature control formula gasification mixing device, including water bath box, be provided with liquid inlet cavity and gas outlet cavity in water bath box, the connecting pipeline mechanism between liquid inlet cavity with gas outlet cavity, the pipeline mechanism includes a plurality of side by side arrangement's circuitous pipeline, every circuitous pipeline all is provided with mixing structure in each. The utility model aims at providing a temperature control formula gasification mixing device, and its purpose is to solve the problem of existing technology that liquefied gas gasification is not sufficient, mixes uneven and is influenced by the problem of greater environmental temperature. Through the integration temperature control system and mixing mechanism, the device ensures that liquefied gas obtains stable and sufficient heating in the gasification process, thereby realizing the uniform mixing of methane and butane. In addition, the introduction of temperature control system makes the gasification process no longer be restricted by environmental temperature fluctuation, and can maintain efficient and stable working condition under various conditions.

The utility model discloses a boat structure, which comprises a supporting frame body and a plurality of supporting pieces fixedly arranged on the supporting frame body and arranged in a linear array, a bearing gap for accommodating a wafer is arranged between two adjacent supporting pieces, and the bearing gap comprises a mounting gap and a flow expanding gap. According to the boat structure, the flow expansion gaps are further arranged in the bearing gaps on the supporting frame body, and the center distance between adjacent wafers is increased, so that the circulation path of process gas is prolonged, the contact time of the process gas and the wafers is prolonged, the local gas concentration difference is reduced, the diffusion of the process gas is more uniform, and the yield of the wafer is improved. And the oxidation uniformity can be effectively improved by further reacting with the wafer, and the surface processing quality of the wafer is improved.

The invention relates to an electromagnetic valve, an oil sprayer, an engine and a vehicle. The electromagnetic valve comprises a magnetic core and an armature, and the magnetic core is provided with an inner hole; the armature comprises a guide part and a tail part, the guide part is assembled in the inner hole and can move in the axial direction relative to the magnetic core, and the tail part is located on one side of the axial direction of the magnetic core and connected with the guide part; at least one of the magnetic core and the tail part is provided with a slot, and the slot is used for increasing a circulation path for sensing eddy current. The electromagnetic valve can solve the problems that in the prior art, the control precision of opening and closing of a needle valve of an oil injector is low, and consumed time is long.

The utility model relates to the technical field of fused salt electric heaters, and provides a fused salt electric heater which comprises a heating tube bundle, a wiring bin, a flange plate and a cooling bin. The upper end of the heating tube bundle is fixedly connected with the wiring bin; the wiring bin is used for connecting an external power line or control line with the heating tube bundle; the flange plate is provided with penetrating holes corresponding to pipe bodies in the heating pipe bundle, the pipe bodies in the heating pipe bundle penetrate through the flange plate and are fixedly connected with the flange plate, and the flange plate is used for fixing the fused salt electric heater to the top of a fused salt tank. The cooling bin is arranged between the wiring bin and the flange plate, pipe bodies in the heating pipe bundle penetrate through the cooling bin, the cooling bin is provided with a water inlet and a water outlet, and the cooling bin is used for cooling the part, exposed out of the molten salt tank, of the heating pipe bundle. Through the arrangement of the cooling bin, on one hand, the exposed part of the heating tube bundle is cooled, the risk of overheating damage of the wiring bin is further reduced, and on the other hand, heat lost from the exposed part of the heating tube bundle can be utilized.

This application discloses a perovskite / crystalline silicon tandem solar cell, belonging to the field of solar cell technology. The perovskite / crystalline silicon tandem solar cell includes a perovskite layer, a buffer layer, an intermediate interconnect layer, a crystalline silicon layer, a first metal grid electrode, and a heat-dissipating optical reflective layer. The buffer layer, comprising a thermoplastic resin, is stacked on one side of the perovskite layer. The intermediate interconnect layer is stacked on the side of the buffer layer opposite to the perovskite layer. The crystalline silicon layer is stacked on the side of the intermediate interconnect layer opposite to the buffer layer. The first metal grid electrode is stacked on the side of the crystalline silicon layer opposite to the intermediate interconnect layer. The heat-dissipating optical reflective layer is disposed on the side of the first metal grid electrode opposite to the crystalline silicon layer and is at least partially embedded in the grid of the first metal grid electrode. The heat-dissipating optical reflective layer comprises graphene and boron nitride. This application can improve the photoelectric output capability, thermal stability, and long-term operational reliability of the perovskite / crystalline silicon tandem solar cell.

The utility model provides a thermal management system, a battery pack and electric equipment, the thermal management system comprises a plurality of heat exchange assemblies, and at least part of the heat exchange assemblies comprise a plurality of heat exchange units; the multiple heat exchange assemblies are connected in series, and the multiple heat exchange units are connected in parallel. Or the multiple heat exchange assemblies are connected in parallel, and the multiple heat exchange units are connected in series. Through series-parallel combination of the heat exchange assemblies and the heat exchange units, partial series connection and partial parallel connection of the heat exchange units are achieved, too large system flow resistance and too large heat exchange effect difference during full series connection are avoided, insufficient flow distribution during full parallel connection is avoided, the heat exchange medium circulation efficiency can be improved, and the temperature difference can be reduced; and efficient heat dissipation and temperature control of the battery pack are realized.

This utility model provides an RGBW contour light with an auxiliary heat dissipation structure, relating to the field of RGBW contour lights. The utility model includes an RGBW contour light frame, with a lampshade on one side. Several LED beads are arranged on the inner wall of the lampshade on one side of the RGBW contour light frame. By incorporating a heat dissipation device, when the RGBW contour light is in use, the semiconductor cooling chip is first connected to the power supply to cool the inner wall of the air box. Then, an air pump is activated to draw air into the air box, allowing it to exchange heat with the inner wall of the air box and lower its temperature. The air then enters the nozzle frame through a guide pipe and is blown into the interior of the RGBW contour light frame and lampshade, where it exchanges heat with the hot air inside the lampshade. The hot air is then discharged autonomously from the heat dissipation holes, thus cooling the LED beads during use, preventing overheating and aging damage, and improving the lifespan of the LED beads.

This application relates to the field of transformer housings, specifically disclosing a three-dimensional cross-linked fully enclosed liquid-cooled housing, comprising a heat dissipation base plate and multiple heat dissipation side plates. The multiple heat dissipation side plates are spliced ​​together on the heat dissipation base plate. The heat dissipation base plate has a bottom inlet channel, a bottom outlet channel, and a transfer channel. A first water inlet pipe and a first water outlet pipe are provided on the heat dissipation base plate. The first water outlet pipe communicates with the bottom inlet channel and the bottom outlet channel. Each of the multiple heat dissipation side plates has a heat dissipation channel, which communicates with the bottom inlet channel, bottom outlet channel, and transfer channel. Each of the bottom inlet channel, bottom outlet channel, transfer channel, and heat dissipation channel may have one or more turning points. The heat dissipation base plate and the multiple heat dissipation side plates are all provided with cover plates adapted to the shape of the bottom inlet channel, bottom outlet channel, transfer channel, and heat dissipation channel. This application improves the heat dissipation effect for high-frequency transformers.

The invention relates to the field of rotor pumps, in particular to a rotor pump heat preservation jacket. A rotor pump heat preservation jacket comprises arc-shaped jackets, the two ends of each arc-shaped jacket are each communicated with a first conveying pipe, a plurality of first fixing holes are formed in each arc-shaped jacket, and the number of the arc-shaped jackets is multiple; the flow guide assemblies are mounted in the arc-shaped jacket, and the number of the flow guide assemblies is multiple; and the adjusting assemblies are installed on the arc-shaped clamping sleeve, and the number of the adjusting assemblies is multiple. By controlling the magnetic force of the first electromagnet, the depth of the conical plug inserted into the through hole in the arc-shaped partition plate is controlled, the opening size of the through hole is adjusted, and the flow speed of the thermal medium in the area is adjusted, so that the thermal insulation effects of different areas in the runner are adjusted, and the heat of the thermal medium is reasonably distributed and fully utilized; and the flexibility and practicability of the jacket are further improved, and the problems caused by heat preservation through an electric heat tracing layer and a heat preservation layer are avoided.

The application discloses earphone with wind noise prevention function, relates to the technical field of earphone, and comprises a first bin body, a second bin body and a connecting piece for connecting the first bin body and the second bin body, wherein the first bin body further comprises a shell, a circuit board, a battery and a wind guide piece; a first inner cavity is formed in the shell; the circuit board is installed in the first inner cavity and is provided with a microphone on the surface, and a sound pickup hole is formed in the microphone; the battery can supply power for the microphone and the circuit board; the wind guide piece is installed in the first inner cavity and is provided with a wind guide channel, the wind guide channel penetrates through the wind guide piece at both ends, sound absorption holes that are communicated with the wind guide channel are formed in the shell, and the wind guide channel is provided with a guide hole that is opposite to the sound pickup hole. The earphone disclosed by the application can make the microphone sound better and reduce the influence of wind noise.

The application provides a water-cooled heat dissipation vehicle-mounted device and an electric vehicle. The shell of the vehicle-mounted device comprises an integrated shell, and the integrated shell comprises an electrical accommodation groove and an internal water inlet channel. The electrical accommodation groove is used for accommodating an integrated support and a first circuit board. The first circuit board is used for bearing electrical components of at least one of a vehicle-mounted charger or a motor controller. The integrated support is arranged between the first circuit board and the groove bottom of the electrical accommodation groove. The integrated support comprises a support waterway inlet and at least one radiator waterway interface. The support waterway inlet is used for receiving cooling water output by the outlet of the internal water inlet channel. Each radiator waterway interface is used for conveying cooling liquid to at least one of a water-cooled radiator of the vehicle-mounted charger or a water-cooled radiator of the motor controller. The integrated support is used for connecting the water-cooled radiator of the vehicle-mounted charger and the water-cooled radiator of the motor controller with the internal water inlet channel of the integrated shell, so that the cooling efficiency of the vehicle-mounted device is improved and the volume is small.

This application provides a hydraulic oil cooling device for communication with an oil tank. It includes a heat exchange assembly, a housing, and a water-cooled heat exchanger fixed inside the housing. The housing has a mounting groove for mounting a fan assembly. The water-cooled heat exchanger includes a heat exchange chamber, inside which a hydraulic oil pipe is fixed. The hydraulic oil pipe has an inlet end and an outlet end, with the inlet end higher than the outlet end. The inlet end is configured to communicate with the oil tank. The heat exchange chamber also has a water inlet and an outlet, with the inlet end near the outlet end and the outlet end near the inlet end. Along the length of the hydraulic oil pipe, the heat exchange chamber also has multiple baffles, each including a water-blocking portion, distributed on both sides of the hydraulic oil pipe. This improved hydraulic oil cooling device can improve heat exchange efficiency and reduce residual oil or impurities in the hydraulic oil pipe.

The invention discloses plastic capable of transmitting infrared light and a preparation method thereof, and belongs to the field of high polymer material engineering. The plastic capable of transmitting infrared light, prepared by the invention, comprises the following raw material components in parts by mass: 100 parts of carrier resin, 20-30 parts of modified infrared transparent filler and 1-2 parts of auxiliaries, wherein the carrier resin is obtained by crosslinking an ethylene-vinyl acetate copolymer, polyethylene and vinyl cyclosiloxane; the vinyl cyclosiloxane comprises 1, 3, 5-trivinyl-1, 3, 5-trimethyl cyclotrisiloxane and tetramethyl tetravinyl cyclotetrasiloxane, and the vinyl cyclosiloxane comprises 1, 3, 5-trivinyl-1, 3, 5-trimethyl cyclotrisiloxane and tetramethyl tetravinyl The modified infrared transparent filler is obtained by modifying the infrared transparent filler with 1, 1, 3, 3-tetramethoxy-1, 3-dimethyl disiloxane; the infrared transparent filler is obtained by compounding barium fluoride and magnesium fluoride; the plastic capable of transmitting infrared light, prepared by the invention, is relatively good in mechanical property and high in infrared transmittance.

The embodiment of the application provides a vehicle-mounted device and an electric vehicle, the vehicle-mounted device comprises at least one of a vehicle-mounted charger or a motor controller, a shell of the vehicle-mounted device comprises an integrated shell and an electrical cover plate, the integrated shell comprises an electrical accommodation groove, and the electrical cover plate is used for enclosing the electrical accommodation groove. Wherein, the electrical accommodation groove is used for accommodating an integrated support and a first circuit board, a groove bottom of the electrical accommodation groove is used for fixing the integrated support, the first circuit board is used for bearing electrical components of at least one of the vehicle-mounted charger or the motor controller, the integrated support is used for fixing and cooling the electrical components of at least one of the vehicle-mounted charger or the motor controller, and the integrated support is arranged between the first circuit board and the groove bottom of the electrical accommodation groove.

The multi-stage purification device comprises a purification bin, an air inlet cylinder is arranged above the purification bin, air inlet grooves are evenly formed in the side face of the air inlet cylinder, an air inlet plate, an air outlet plate and a plurality of partition plates are arranged in the purification bin, an air flow channel is formed between one side of each partition plate and the inner wall of the purification bin, and an air outlet channel is formed between the other side of each partition plate and the inner wall of the purification bin. A purification plate is arranged between every two adjacent partition plates, hollow grooves distributed with the airflow channels in a staggered mode are formed in the purification plates, and an antistatic layer, a low-resistance polytetrafluoroethylene film and a glass fiber layer are sequentially arranged in each hollow groove in the airflow flowing direction. The air purifier has the characteristics of high maintenance cost, trouble in replacement and short purification time.

This utility model relates to a labyrinth-type anechoic return air chamber suitable for HVAC systems, comprising: an anechoic chamber with an air inlet and an air outlet; multiple sound-absorbing baffles are arranged on the inner wall of the anechoic chamber, and the multiple sound-absorbing baffles are staggered to form a labyrinth channel for airflow; the air inlet and the air outlet are respectively connected to the two ends of the labyrinth channel; wherein, an arc-shaped air guide plate connected to the inner wall of the anechoic chamber is provided at each corner of the labyrinth channel. This application uses multiple sound-absorbing baffles in the anechoic chamber to form a labyrinth channel. The tortuous path of the labyrinth channel causes noise waves to be reflected multiple times, thereby effectively reducing noise. Furthermore, the longer anechoic path of the labyrinth channel has a better noise reduction effect and a deceleration effect on the airflow. By setting the arc-shaped air guide plate, the airflow smoothly turns, reducing airflow pressure loss and reducing eddies generated at the turns of the labyrinth channel, thus reducing the noise generated by eddies and ensuring the noise reduction effect.

This invention provides a heat exchanger unit and a sintered silver powder heat exchanger incorporating the unit, specifically relating to the field of cryogenic refrigeration equipment technology. The unit has a C-shaped annular sealed structure and is divided into an independent first heat exchange surface and a second heat exchange surface. A first double-sided series flow channel is provided within the first heat exchange surface; a second double-sided series flow channel is provided within the second heat exchange surface; the fluid flow directions in the first and second double-sided series flow channels are opposite. This invention matches the outer contour design of the cold plate, does not occupy radial space in the equipment, and effectively increases the single-stage heat exchange area, extends the fluid flow path, and balances fluid distribution by optimizing the flow channel structure and fluid flow direction, thus comprehensively improving heat exchange efficiency. Simultaneously, it avoids component assembly interference problems and can achieve improved heat exchange capacity through simple stacking, adapting to the expansion requirements of high-efficiency heat exchange and large-capacity dilution refrigeration units.

The utility model relates to a liquid storage device and a heat management system, the liquid storage device can comprise a box body, the box body can comprise a liquid inlet and a plurality of liquid outlets, and the box body is internally provided with a plurality of cavities; the multiple cavities in the box body can comprise one liquid outlet cavity, one liquid outlet cavity can be communicated with the multiple liquid outlets, or the multiple cavities in the box body can comprise multiple liquid outlet cavities, and one liquid outlet cavity is communicated with at least one liquid outlet. The liquid storage device can be connected to a plurality of heat exchange branches through a plurality of liquid outlets so as to exchange heat for a plurality of devices to be subjected to heat exchange; according to the multiple cavities, the circulation path of the heat exchange medium in the box body and / or the gas-liquid contact area of the heat exchange medium can be increased to a certain extent, and therefore gas remaining in the heat exchange medium is reduced; and when a plurality of liquid outlet cavities are arranged, the water grabbing phenomenon of each heat exchange branch can be improved and even avoided. On the basis, the liquid storage device can improve the heat exchange efficiency of the heat management system for the device to be subjected to heat exchange.

The utility model relates to safety protection technical field especially relates to a safety helmet lateral impact protection structure and safety helmet, this structure sets up energy absorption buffer structure to realize the classified absorption and dissipation to lateral impact energy through the forehead, back pillow and two temple area of the hat band in the hat shell inside, has promoted the lateral protection performance of safety helmet. Among them, the energy absorption buffer structure includes the impact resistance layer connected with the hat band, the impact resistance layer includes first fabric impact resistance module, nano energy absorption fluid module and second fabric impact resistance module set on the hat band in proper order, the nano energy absorption fluid module includes the encapsulation, fills in the nano energy absorption fluid in the encapsulation, and first fabric impact resistance module and second fabric impact resistance module can reduce local stress concentration, and the nano energy absorption fluid module can convert mechanical energy into heat energy, and this gradient energy absorption design can solve the problem that safety helmet lacks lateral impact protection and cannot satisfy the safety protection demand of complex environment.

The utility model discloses an overall measurement light path joint upper rotating shaft type laser tracker turntable rotating shaft error detection device, which belongs to the laser tracking measurement field, and comprises a microscope, a fluorescent microsphere, a substrate and a six-dimensional precision calibration displacement platform, the microscope is arranged above the fluorescent microsphere, the fluorescent microsphere is fixed on the substrate, the six-dimensional precision calibration displacement platform is arranged on the substrate, and the microscope is arranged on the substrate. The substrate is fixed on the six-dimensional precise calibration displacement table in parallel, and the six-dimensional precise calibration displacement table is placed at the lower end of the microscope. According to the utility model, the error detection of the rotating shaft of the rotary table of the overall measurement light path connected with the upper rotating shaft type laser tracker realizes high-precision and omnibearing detection of the error of the rotating shaft of the rotary table of the overall measurement light path connected with the upper rotating shaft type laser tracker, and effectively improves the detection efficiency and accuracy through optimizing the measurement light path and a mechanical transmission structure; and reliable guarantee is provided for performance evaluation and quality control of the laser tracker turntable.

The utility model discloses a gas cooking equipment with waste heat recovery, including gas stove, the gas stove's gas outlet end is connected with the recovery tank and the tank cover, is equipped with the heat pipe and the heat sleeve on the recovery tank, is equipped with the heat plate between heat pipe and heat sleeve, is equipped with the heat water pipe of spiral winding on the heat plate, the bottom of recovery tank is equipped with the drain pipe, through the high temperature steam of gas stove's gas outlet end into to the heat pipe, through the design of heat pipe and heat sleeve, has prolonged the circulation path and the heat conduction capacity of gas, through setting up the heat water pipe on the heat plate, and circulating and passing in the cool water in the heat water pipe, through the cooling of hot gas while, to the cooling water and carry out the heating, realize the heat recovery of steam.

This utility model discloses a heat dissipation structure for a tabletop dual-burner induction cooker, relating to the field of kitchen appliance technology. The heat dissipation structure includes a shell, a heating mechanism, a printed circuit board assembly, and a heat dissipation mechanism. The shell has a receiving cavity and an air inlet and an air outlet respectively communicating with the receiving cavity. The heating mechanism includes a first coil and a second coil. The heat dissipation mechanism and the shell enclose a guide air duct communicating with the air inlet. The heat dissipation mechanism includes an axial fan disposed within the guide air duct. The guide air duct has multiple air vents, including a first air vent, a second air vent, and a third air vent. This utility model's technical solution, by employing a single axial fan and multiple air vents, optimizes the overall layout, ensuring efficient heat dissipation while reducing the number of parts and complex assembly steps such as related fasteners and wiring. This significantly simplifies the assembly process and reduces manufacturing costs and process difficulty.

This invention discloses a low-voltage cable junction box with an automatic drainage and dehumidification structure, including a junction box body. A dehumidification chamber is installed at the top of the junction box body. A semiconductor heating element is installed inside the dehumidification chamber, dividing the internal space of the dehumidification chamber into a condensation chamber and a heat dissipation chamber. The two sides of the semiconductor heating element are a cold surface and a hot surface, respectively. The cold surface is placed in the condensation chamber, and the hot surface is placed in the heat dissipation chamber. This invention uses the cold surface of the semiconductor heating element to condense water vapor in the air into liquid water. Simultaneously, multiple condensation screens are provided. A first heat-conducting surface quickly transfers cooling energy to the condensation screens, cooling them below the dew point temperature. When air flows through, water vapor more easily condenses into liquid water, adhering to the surface of the condensation screens and dripping to the bottom of the condensation chamber. This effectively reduces the humidity inside the junction box, reduces the risk of electrical components getting damp, and extends the service life of the equipment.

This invention discloses a high-efficiency carbon dioxide capture device and method for the petrochemical industry, relating to the field of flue gas treatment technology in the petrochemical industry. It includes a spray tower and a spray stage adjustment component. The spray tower has a built-in spray stage adjustment component, which includes a primary spray sleeve embedded inside. A corrugated pipe is connected to the top input port of the primary spray sleeve, and the corrugated pipe is connected to the outlet end of a spray pump. The spray pump is fixedly installed on the outer top of the spray tower. This application employs a nested primary and secondary spray sleeve structure, achieving flow channel communication through the insertion of sockets and spigots. Combined with the rigid fixation of the core tube to the primary spray sleeve, synchronous linkage switching of the spray stages is achieved. This eliminates the need for complex valve control mechanisms, resulting in a simple structure, reliable linkage, reduced manufacturing and maintenance costs, and suitability for the continuous operation requirements of the petrochemical industry.

The application provides a gas mixing device, a reaction device and a semiconductor thin film deposition equipment. The gas mixing device comprises a first gas mixing mechanism and a second gas mixing mechanism. The first gas mixing mechanism has an input part and an output part. The input part is located at the side of the first gas mixing mechanism, and the output part is located at one end of the first gas mixing mechanism. The one end of the second gas mixing mechanism is recessed to form an input hole, and the input hole is opposite to the output part of the first gas mixing mechanism. The other end of the second gas mixing mechanism is recessed to form an output hole. The side of the gas mixing mechanism forms a gas mixing channel. One end of the gas mixing channel is communicated with the input hole, and the other end of the gas mixing channel is communicated with the output hole. In the application, the flow direction of the mixed gas changes multiple times, so that the mixed gas is forced to mix. The first gas mixing mechanism and the second gas mixing mechanism prolong the flow path of the mixed gas, and further improve the uniformity of the mixed gas.