677results about How to "Effective cooling" patented technology

The invention provides a high-altitude energy storage monitoring system. The system comprises an environmental data acquisition module, an intelligent temperature control analysis module, an intelligent energy scheduling module, a health monitoring module, a self-adaptive adjustment module and a system optimization module. The invention provides an intelligent and environment-adaptive energy storage system monitoring and maintenance strategy, the temperature control strategy, the energy distribution and the maintenance plan can be dynamically adjusted according to the real-time change of the high-altitude environment, the efficient operation of the energy storage system is realized, and the service life of equipment is prolonged. A sensor technology is used for collecting multi-dimensional environment data, and an intelligent algorithm is combined to monitor the operation state of the equipment in real time, predict the health state of the equipment, optimize energy scheduling and formulate a self-adaptive maintenance strategy, so that the fault risk and the maintenance cost are reduced, and the stable operation of the system in a complex environment is ensured.

The invention discloses a cooling system and a server cabinet, and relates to the technical field of server cabinets, and the cooling system comprises a cooling module and at least two cooling branches. The cooling branch is provided with a control valve, a detection assembly and a cold plate module used for cooling working devices in the server. The cooling module is connected with each cooling branch, the cooling module is used for providing a cooling medium for each cooling branch, the cooling module comprises a control module, and the control module is used for being in communication connection with a server, a control valve and a detection assembly in each cooling branch; the control module is further used for receiving the working performance parameters of the working devices in the servers in the cooling branches and the cooling medium performance parameters detected by the detection assembly so as to control the opening degree of the control valves in the corresponding cooling branches. The cooling system solves the problem that the server node flow in the server cabinet cannot be adjusted in real time.

The invention provides a common-mandrel double-self-driving synchronous control permanent magnet outer rotor lifting device and a control method thereof.The device comprises a mandrel and supporting bases used for supporting the left end and the right end of the mandrel, and the mandrel is provided with a left permanent magnet outer rotor lifting structure and a right permanent magnet outer rotor lifting structure; each permanent magnet outer rotor lifting structure comprises a winding drum, a stator, a permanent magnet, an end cover and a disc brake used for braking the winding drum, the stator is arranged in the winding drum, the winding drum is rotatably connected with the mandrel, the stator comprises a stator iron core support, a stator iron core and a stator winding, the stator iron core support is arranged on the mandrel and provided with the stator iron core, and the stator winding is arranged on the stator iron core support. The stator core adopts a magnetic slot wedge, the stator winding is arranged on the stator core, and the mandrel is provided with a wiring slot for accommodating a stator winding outgoing line; the whole diameter can be reduced, the stability during working is improved, the double-load two-way transportation requirement can be met, the flexibility and adjustability are improved, and the double-load two-way transportation device has the advantages of being few in transmission links, free of a high-speed shaft, high in reliability and low in energy consumption.

The invention provides a motor bearing, a motor, an air compressor and an air blower, the motor bearing is provided with a first side opposite to a stator coil of the motor in the axial direction, the motor bearing is internally provided with a heat dissipation air channel, and the heat dissipation air channel is provided with a first air inlet and a first air outlet located in the first side; the motor bearing is provided with a shunting structure, the shunting structure is used for at least shunting incoming wind into first wind and second wind, and guiding the first wind to the first side, so that the first wind flows out from the first side; and the shunting structure further guides the second air to the first air inlet of the heat dissipation air duct, so that the second air flows out from the first air outlet. According to the technical scheme of the invention, the first wind and the second wind shunted by the shunting structure cooperate with each other, so that the stator coil and the motor bearing can be effectively cooled.

The invention relates to the technical field of circuit breakers, and discloses an intelligent vacuum circuit breaker which comprises a vacuum circuit breaker body and a controller, a heat dissipation support is arranged at the bottom of the vacuum circuit breaker body, the heat dissipation support is provided with an upper layer and a lower layer, and an auxiliary heat dissipation mechanism is arranged between the upper layer and the lower layer of the heat dissipation support. The auxiliary heat dissipation mechanism comprises heat dissipation fins which are arranged between the upper heat dissipation support and the lower heat dissipation support and are vertically distributed at equal intervals. The heat pipe is vertically arranged in the vacuum circuit breaker body, and the other end of the heat pipe extends to the heat dissipation support located on the upper layer; the temperature sensor is arranged in the vacuum circuit breaker body and is used for detecting the temperature of the vacuum circuit breaker body; and the active heat dissipation assembly is used for carrying out active heat dissipation on the vacuum circuit breaker body according to the temperature detected by the temperature sensor.

The invention discloses a high-low voltage complete switch device, and belongs to the field of switch devices. A high-low voltage complete switch device comprises a switch cabinet and further comprises ventilation channels symmetrically arranged on the side wall of the switch cabinet, and heat dissipation and dust removal assemblies are arranged in the ventilation channels and used for conducting heat dissipation on electrical equipment in the switch cabinet and preventing dust from entering the switch cabinet; the diversion mechanism is arranged on one side, close to the ventilation channel, of the inner wall of the switch cabinet, and part of the heat dissipation and dust removal assembly is connected with the diversion mechanism and can drive part of the diversion mechanism to rotate up and down in a reciprocating mode; the cleaning mechanism is arranged on the side, close to the ventilation channel, of the outer wall of the switch cabinet, and part of the structure of the flow guide mechanism is connected with the cleaning mechanism and can drive part of the structure of the cleaning mechanism to rotate back and forth along the end of the ventilation channel; according to the invention, the problems of non-uniform heat dissipation, poor heat dissipation effect, untimely cleaning of the dustproof plate and poor dehumidification effect of electrical equipment in the high-low voltage switchgear assembly can be solved.

The invention discloses a multi-port energy router in the technical field of routers, and the router comprises a connection base, a route transmission assembly is installed at the top of the connection base, the route transmission assembly comprises an installation shell, one side of the installation shell is provided with a port protection part, one side of the installation shell is provided with an arc-shaped notch, and the arc-shaped notch is provided with a port protection part. The arc-shaped sliding grooves are formed in the two sides of the inner wall of the arc-shaped notch, the multiple sets of connecting ports are formed in one side of the arc-shaped notch, and when the multi-port energy router is not connected with a network cable, the arc-shaped sliding plate is slidably adjusted to the outside of the arc-shaped notch, the connecting ports and the power supply connecting port formed in one side of the arc-shaped notch can be effectively closed, and the network cable can be conveniently connected to the router. According to the multi-port energy router, dust and other impurities can be prevented from entering the connection port and the power supply connection port, so that interference of the entering dust and other impurities on data connection is avoided, and when the multi-port energy router needs to be connected with a network cable, only the arc-shaped sliding plate needs to be stored and adjusted in the arc-shaped sliding groove formed in one side of the arc-shaped notch in a sliding manner.

The invention discloses a seawater heat dissipation fuel cell ship system and a temperature control method thereof. A water inlet integrated filtering grating located on the front side of the bottom face in the ship, a sea water pump and a water outlet located on the tail side of the bottom face in the ship are arranged in the ship. The water inlet integrated filtering grid, the sea water pump, the circulating system and the water outlet are connected in sequence. According to the seawater heat dissipation fuel cell ship system and the intelligent temperature control technology thereof, the fuel cell ship system is combined with the seawater heat dissipation device, the technical purpose that the heat exchanger transmits heat generated by the fuel cell system to seawater is achieved, an intelligent control system is designed, it is ensured that the system operates within the optimal temperature range, and the service life of the system is prolonged. The reliability and the stability of the fuel cell system are obviously improved, and the fuel cell system has wide application prospect and market value.

The invention discloses a laser engraving machine, and belongs to the technical field of laser engraving. A laser engraving machine comprises a base and further comprises an outer cover fixedly installed at the upper end of the base, an engraving head is installed in the outer cover, and a base fan is fixedly provided with a laser emitter matched with the engraving head. The mounting seat is fixedly connected to the base, a mounting groove is formed in the mounting seat, an engraving disc is mounted at an upper end opening of the mounting groove, through holes which are uniformly distributed are formed in the engraving disc, negative pressure holes are formed in the rear wall of the mounting seat, and the air suction ends of the negative pressure holes face the mounting groove and the upper surface and the lower surface of the engraving disc. A pollution discharge hole communicated with the mounting groove is formed in the bottom of the base; a workpiece is automatically adsorbed to the surface of the engraving disc, the workpiece can be automatically fixed, in the engraving process, even if small-amplitude vibration occurs, an engraved object cannot move, and then the engraving precision is guaranteed.

The utility model discloses a waste heat recovery stove which comprises a burner, a stove body and a stove cover, a rechargeable battery module; the upper surface of the thermoelectric power generation module comprises a hot end, and the lower surface comprises a cold end; the heat collector is arranged close to the combustor, and the heat collector is connected with the hot end of the thermoelectric power generation module; the radiator is in contact with the cold end of the thermoelectric power generation module, and the radiator is located below the cold end of the thermoelectric power generation module; the shell comprises a bottom shell and a panel arranged on the bottom shell, the thermoelectric power generation module is arranged between the bottom surface of the bottom shell and the panel, a mounting hole is formed in the bottom surface, and at least part of the radiator protrudes out of the bottom surface downwards through the mounting hole; and a circulation part for airflow circulation is formed between the radiator and the mounting hole. The heat dissipation performance of the cold end of the thermoelectric power generation module can be effectively improved, and the large temperature difference between the hot end and the cold end is guaranteed.

The utility model relates to the technical field of solar photovoltaic power generation, and discloses a folding solar photovoltaic power generation device with ventilation and heat dissipation functions, which comprises a box body, a fixed column is fixedly connected onto the box body, a motor is fixedly connected onto the fixed column, the output end of the motor is fixedly connected with a first gear, and the output end of the first gear is fixedly connected with a second gear. The first gear is rotatably connected to the fixing column, and the first gear is fixedly connected with a first fixing plate. According to the foldable solar photovoltaic power generation device with the ventilation and heat dissipation functions, when the foldable solar photovoltaic power generation device with the ventilation and heat dissipation functions is used, the motor is started, the motor drives the first gear to drive the six sets of solar panels to be folded and stored, and when the foldable solar photovoltaic power generation device with the ventilation and heat dissipation functions is used, the motor drives the six sets of solar panels to be folded and stored. The solar panel can be unfolded by starting the motor in the forward direction, the contact area with sunlight is increased, the photovoltaic power generation efficiency and yield are effectively improved, when not in use, the solar panel can be folded and retracted by starting the motor in the reverse direction, the occupied area of the device is reduced, and storage and transportation are facilitated.

The invention provides quick adjustment grinding machining equipment for water pump workpiece machining, and relates to the technical field of water pump workpiece machining. The rapid adjustment grinding machining equipment for water pump workpiece machining comprises an operation workbench, the upper surface of the operation workbench is fixedly connected with a machining containing box, and a water drainage pipe is fixedly installed on the rear side of the machining containing box. According to the water pump shaft sleeve cooling device, cold water enters one second fixing pipeline through the first mounting pipeline and finally enters the water pump shaft sleeve to cool the water pump shaft sleeve, meanwhile, a second mounting water pump is started, the second mounting water pump pumps water in the water pump shaft sleeve into the second mounting pipeline, and then the water is discharged through an outlet of the second mounting water pump; and a cold water channel is formed in the water pump shaft sleeve and is matched with water flowing out of the third mounting pipeline to cool the outer wall of the water pump shaft sleeve, so that the inner surface and the outer surface of the water pump shaft sleeve can be effectively cooled, and the influence on temperature reduction of a grinding machining disc is greatly reduced.

The utility model relates to the technical field of equipment sound insulation, and discloses a sound insulation cover which comprises a sound insulation box body, a moving assembly and an air outlet assembly. According to the soundproof cover, a soundproof box body is stably installed through fixing feet, a first rotating rod driven by a motor is arranged in the soundproof cover, the first rotating rod is in linkage with a second rotating rod through a first rotating wheel, a rotating belt and a second rotating wheel, synchronous rotation is ensured, and reverse threads are arranged outside the first rotating rod and the second rotating rod; the two movable box bodies in threaded connection with the two movable box bodies can be close to or far away from each other under guiding of the steel rails, the first rotating rods and the second rotating rods are distributed in a staggered mode, the situation that the heat dissipation effect is poor due to mutual blowing is avoided, and small motors in the two movable box bodies drive fans to rotate, so that heat dissipation is effective; a ventilation assembly of the soundproof cover is composed of a first ventilation plate and a second ventilation plate which are located on the front side and the rear side of the soundproof box body respectively, Z-shaped ventilation holes are formed in the ventilation assembly, and the design of the soundproof plate is matched, so that the ventilation and heat dissipation requirements are met, and noise transmission is reduced.

The invention discloses a photovoltaic power generation and energy storage mechanism and a use method thereof, and relates to the technical field of photovoltaic power generation, the photovoltaic power generation and energy storage mechanism comprises a placement box, a photovoltaic power generation and energy storage device body is installed in an inner cavity of the placement box, and a first dustproof net plate is installed on the inner side of the top of the placement box; a cleaning assembly is arranged on the outer surface of the containing box and comprises two mounting boxes, a fixing box is fixedly connected to the left side of the containing box, and a motor is connected to an inner cavity of the fixing box through bolts. The dust screen can be cleaned synchronously in the heat dissipation process, dust can be prevented from being accumulated and blocking the dust screen in long-time operation through the design, the problem that the heat dissipation efficiency is low due to the fact that the air flow circulation performance is reduced is solved, and when the sweeping assembly and the heat dissipation device work cooperatively, it is ensured that the dust on the dust screen is removed while the device is cooled.

The invention relates to the field of antennas, and particularly discloses a non-interfering frequency division antenna which comprises a reference ground. The microstrip antenna is horizontally arranged above the reference ground, the microstrip antenna comprises a low-frequency antenna oscillator and a high-frequency antenna oscillator, and the low-frequency antenna oscillator and the high-frequency antenna oscillator are arranged in a laminated structure; the frequency division module is arranged between the microstrip antenna and the reference ground; the control switch is arranged between the reference ground and the microstrip antenna; and one end of the top of the reference ground is provided with an antenna feeding point which is electrically connected with the reflective filter and is used for receiving and transmitting signals. According to the non-interfering frequency division antenna, the microstrip antenna is composed of the low-frequency antenna oscillator and the high-frequency antenna oscillator, effective work of the antenna in a wide frequency band is achieved in combination with the frequency division module, mutual influence between frequencies is reduced, the microstrip antenna adopts a laminated structure design, the antenna area is effectively reduced, and the space utilization rate is improved.

The invention relates to the technical field of new energy batteries, in particular to a lithium iron phosphate battery module which comprises a bottom plate, an outer shell, an inner shell and a plurality of battery monomers, the outer shell, the inner shell and the plurality of battery monomers are all arranged on the upper surface of the bottom plate, the inner shell is arranged in the outer shell, the plurality of battery monomers are all arranged in the inner shell, and the inner shell is arranged in the bottom plate. The electric kettle further comprises a water cooling mechanism, a stirring mechanism and a heat guiding mechanism, and the inner shell is filled with a phase change material. Through fixed connection of a connecting rod and a plurality of water cooling pipes, in the running process of a new energy automobile, the plurality of water cooling pipes can synchronously move up and down by utilizing inertia, so that stirring of a phase change material in a molten state is realized, heat adsorbed in the phase change material in the molten state can be uniformly distributed, and the heat absorption efficiency of the phase change material in the molten state is improved. And the cooling effect is improved in the flowing process of the cooling liquid in the water cooling pipe.

The utility model relates to the technical field of heat conduction oil furnaces, in particular to an energy-saving heat conduction oil furnace which comprises a motor fixedly connected to the upper end of a body and used for providing power, the output end of the motor is connected with fan blades used for cooling through keys, and the outer surface of the motor is sleeved with a heat insulation sleeve used for protection. The upper end of the motor is fixedly connected with a pipeline used for conveying, the outer surface of the pipeline is sleeved with heat preservation cotton used for protection, and the upper end of the body is fixedly connected with a support used for supporting. According to the energy-saving heat-conducting oil furnace, through cooperative arrangement of the body, the motor, the fan blades and the thermal insulation sleeve, a worker can effectively cool the motor, so that the motor can be prevented from being damaged due to overheating in operation, the service life of the motor can be prolonged, and the practicability of the heat-conducting oil furnace is further improved; the problem that the temperature of the motor is affected by heating of the heat-conducting oil furnace, so that the motor is damaged due to too high temperature is solved.

The utility model relates to the technical field of motorized spindles, and discloses a motorized spindle structure for a motor machining grinding machine tool, which comprises a motorized spindle shell, a weight reduction groove is arranged on the peripheral side of the motorized spindle shell, radiating fins are arranged in the weight reduction groove, a condenser pipe is annularly wound in the weight reduction groove, an upper shell is arranged on the upper side of the motorized spindle shell, and a lower shell is arranged on the lower side of the motorized spindle shell. An exhaust fan is installed at the upper end of the upper shell, a lower shell is arranged on the lower side of the electric spindle shell, and an air inlet hole is formed in the bottom of the lower shell. When the heat dissipation fins in the weight reduction grooves dissipate heat of the motorized spindle shell, the cold circulation equipment is matched with the condensation pipe to dissipate heat of the motorized spindle shell and the heat dissipation fins, and the heat dissipation fins can be effectively cooled in cooperation with accessories in the upper shell and the lower shell on the peripheral side of the motorized spindle shell, so that the heat dissipation efficiency of the motorized spindle shell is improved, and the service life of the motorized spindle shell is prolonged. The situation that the heat dissipation effect of the condensation pipe and the heat dissipation fins is reduced due to the fact that air on the peripheral sides of the heat dissipation fins does not circulate is avoided, and the heat dissipation effect of the electric spindle is effectively improved through the electric spindle structure.

The invention relates to a cooling device and a cooling method for powder bed electron beam 3D printing equipment. The cooling device comprises an argon charging port, an argon discharging port and a cooling device, an air cooling structure; the water cooling structure is arranged on the outer side face of a bottom plate of the forming chamber; cooling the copper block; a temperature measuring device; and the cooling gas conveying device, the cooling liquid conveying device and the temperature measuring device are respectively connected with the upper computer. Argon can be introduced into the forming chamber through the argon inflation inlet, the air cooling structure is arranged on the inner wall of the forming cylinder, and even if gas leaks into the forming cylinder, printing of parts in the forming cylinder cannot be damaged; the water cooling structure is arranged outside the forming cylinder, water cannot enter the forming cylinder even if water leaks, and the safety of the part printing process is guaranteed; the temperature measuring device is adopted for monitoring the temperature in the forming cylinder in real time, the upper computer can control cooling gas and cooling liquid according to the temperature of the part, and the forming quality of the part is guaranteed.

The utility model discloses a lighting electrical control box capable of enhancing heat dissipation, which belongs to the field of control boxes and comprises a control box main body, an iron mounting plate is fixedly mounted in the control box main body, a heat dissipation device is fixedly mounted on the inner wall of the control box main body, and the heat dissipation device is composed of a frame, a heat dissipation fan and an air guide shell. The heat dissipation fan is fixedly installed in the frame, the air guide shell is fixedly installed at the inner end of the frame, the air guide pipe is fixedly connected to the air guide shell in an inserted mode, the heat dissipation device is arranged, the air guide pipe is arranged on the heat dissipation device, and a horn pipe used for air inlet on the air guide pipe can be close to an electrical element dissipating much heat. Therefore, the heat dissipation device can quickly dissipate heat dissipated by the electrical element, heat dissipation of the area is enhanced, accumulation of heat in the control box body is reduced, finally, the heat dissipation device is matched with the air guide pipe, the position, far away from the heat dissipation fan, in the control box body can be effectively dissipated, and heat dissipation dead angles are avoided.

The utility model discloses a generator frequency converter module, and relates to the technical field of motor frequency converters. The frequency converter comprises a frequency converter body and a shell installed outside the frequency converter body. The bottom of the housing is provided with supporting legs which are in spacing plugging cooperation with four corners of a terminal box at the top of the permanent magnet synchronous generator, and the upper part of the support is provided with a baffle plate which is used for abutting against a top cover of the terminal box after the support is plugged so as to realize spacing. According to the utility model, the generator frequency converter module and the permanent magnet synchronous generator which are originally arranged at intervals in a scattered manner are combined to form a detachable whole, thereby greatly shortening the wiring distance, facilitating the installation and disassembly, and reducing the occupied space; due to the design of the heat dissipation air outlet groove with the downward groove opening, dust adhesion is reduced, and the dustproof effect is greatly improved; and adaptability is good, practicability is excellent, and market application and popularization are facilitated.

The utility model relates to the technical field of thermal management of lithium ion batteries, and provides a liquid cooling and phase change composite radiating bionic flow channel liquid cooling plate for a battery pack, which comprises a substrate and a cover plate, the substrate and the cover plate are made of metal materials with good thermal conductivity, the substrate is provided with a liquid inlet flow channel, a liquid outlet flow channel, a main flow channel, an arc-shaped flow channel and a filling cavity, the liquid inlet flow channel and the liquid outlet flow channel are arranged on the base plate, the main flow channel is linear and is connected with the liquid inlet flow channel and the liquid outlet flow channel, the arc-shaped flow channels are arranged on the two sides of the main flow channel, the two ends of each arc-shaped flow channel are communicated with the two ends of the main flow channel, a plurality of filling cavities are formed between the main flow channel and the arc-shaped flow channels, and the filling cavities are filled with phase change materials. The phase change temperature of the phase change material is 40-53 DEG C. The substrate and the cover plate are sealed and fixedly connected. Compared with a traditional liquid cooling structure, the heat dissipation structure combines an active heat dissipation mode and a passive heat dissipation mode, the pump power is reduced, and meanwhile the heat dissipation performance is improved.

The invention relates to the technical field of aero-engine welding, in particular to a welding device and method for a thick plate installation supporting point assembly. The welding device comprises a front face device and a back face device, and during front face welding and back face welding, when the flange edge is placed on the positioning assembly, the flange edge is in butt joint with a pre-placed to-be-welded supporting point welding seam to form an X groove. An X groove is subjected to pre-welding cleaning, positioned welding and backing welding through manual argon arc welding and wire filling through automatic argon arc welding, and the complete welding process is achieved. Compared with manual argon arc welding, the reasonable machining method and suitable welding parameters are adopted, the appearance quality of welding seams of automatic argon arc welding is remarkably improved, and the welding deformation control effect on the titanium alloy X-shaped groove assembly is good.

The utility model discloses a cable using air cooling or liquid cooling for cooling, which relates to the technical field of new energy charging, and comprises a wire core and an insulating sleeve, and the insulating sleeve is sleeved on the outer side of the wire core; a plurality of conducting grooves are integrally formed in the inner side face of the insulating sleeve, the conducting grooves are arranged in a circular array mode, the conducting grooves are spirally arranged in the insulating sleeve, and conducting gaps are reserved between the outer side face of the wire core and the conducting grooves; compared with the prior art, the beneficial effects of the utility model are that the inner side of the insulation sleeve is provided with the conduction groove, the conduction groove is arranged in a spiral shape, air or insulation cooling liquid can be effectively conveyed, the conduction gap is arranged to realize stable conveying of the air or the insulation cooling liquid between the wire core and the insulation sleeve, the midway blockage is avoided, and the service life of the insulation sleeve is prolonged. Therefore, air or insulating cooling liquid can directly contact with the wire cores to effectively cool, and the heat dissipation effect is further improved.

The utility model relates to the technical field of PVC (polyvinyl chloride) plate processing, and provides a forming device for PVC plate processing, which comprises a base and a support rod. According to the PVC plate pressing device, the buffering structure is arranged, the first hydraulic push rod is started to drive the sliding plate to slide up and down on the outer wall of the supporting rod through the sliding groove, then when the sliding plate is driven to be adjusted to a proper position, the second hydraulic push rod is started to drive the pressing plate to enable the upper die base to enter the lower die base to press a PVC material, and then a PVC plate is pressed; when the pressing plate drives the upper die base to enter the lower die base for pressing, a movable rod drives a piston to slide in a damper to push and press a damping body through force generated by vibration, and vibration and impact force generated when the upper die base presses downwards are reduced through cooperation of viscosity and resistance of the damping body and a damping spring. And meanwhile, through cooperation of a guide groove, a telescopic rod and a buffer spring, the pressing plate slides on the outer side of the telescopic rod through the guide groove, then the buffer spring is compressed, and the buffer effect is further achieved.

The utility model discloses a multi-layer superposition welding positioning jig for diode chips. The multi-layer superposition welding positioning jig comprises a main body and a cover body, a positioning pin is arranged on one of the main body and the cover body, and a positioning hole is correspondingly formed in the other one of the main body and the cover body; a plurality of jig units are arranged on the main body; the jig unit is provided with a chip placing groove and a connecting tail limiting groove, each corner of the chip placing groove is provided with an avoiding space, and the middle position of the chip placing groove is provided with a through hole penetrating to the bottom of the main body. According to the scheme, the problems that the welding parts are easy to deviate, damage and the like in the multi-layer chip stacking production of the conventional TVS (Transient Voltage Suppression Diode) products are solved; the utility model aims to provide the multi-layer superposition welding positioning jig for the diode chip, which can be used for preventing the deviation of each part caused by solidification welding in a product furnace, and is high in product yield and high in production efficiency.

The invention relates to the technical field of electrical elements, in particular to a high-inductance laminated chip type low-temperature co-fired ceramic inductor and a design method of the high-inductance laminated chip type low-temperature co-fired ceramic inductor. An external electrode; a clamping protection device; a hollow heat dissipation plate; a one-way air inlet communicating screw pipe and a one-way air outlet communicating screw pipe; a connecting cap; a hard tube; a cold air circulation cooling device is arranged at the end of the connecting pipe. The effects of auxiliary heat dissipation, buffer protection and clamping positioning on the two faces of the device body are achieved through the clamping protection device and the hollow heat dissipation plate, the cold air circulation cooling device is used for generating cold air, the cold air is supplied to the interior of the hollow heat dissipation plate through a connecting pipe, a hard pipe and a connecting cap, and therefore rapid cooling of the hollow heat dissipation plate is achieved; heat absorption and rapid heat dissipation can be achieved on one face of the inductor body through the hollow heat dissipation plate, efficient cooling of the inductor body is achieved, continuous auxiliary cooling work on the inductor body is guaranteed through circulating cold air arrangement, and the problem that an existing inductor is poor in heat dissipation effect is solved.

The utility model discloses a pesticide distillation kettle structure, and particularly relates to the field of distillation kettles, which comprises a distillation kettle body and a water cooling circulating device arranged on one side of the distillation kettle body and capable of extracting and liquefying steam; a pesticide stirring device capable of realizing a more comprehensive stirring effect is arranged on the inner side of the distillation kettle body; a top cover is movably arranged at the upper end of the distillation kettle body, the top cover is detachably connected with the upper end of the distillation kettle body through a screw in a penetrating manner, an air hole is formed in one side of the top cover, a motor fixing block is fixedly arranged at the upper end of the top cover, and a stirring motor is fixedly arranged at the upper end of the motor fixing block. According to the utility model, the water-cooling circulating device is arranged, so that steam in the distillation kettle can be extracted, liquefied in a pipeline and liquefied water backflow can be avoided, and the pesticide stirring device is arranged, so that the bottom and the middle of a pesticide can be stirred in all directions, and the high temperature at the lower end can be dispersed more effectively.

The utility model discloses a heating core assembly for a heat gun, which belongs to the technical field of electric tools and comprises a sleeve, a core frame, a heating element and a ceramic ring, the core frame, the heating element and the ceramic ring are positioned in the sleeve, the heating element is arranged on the core frame, the ceramic ring is positioned at the downstream of the heating element, an air outlet cover is arranged in front of the core frame, and the air outlet cover is arranged in front of the core frame. A ceramic ring is arranged between the core frame and the air outlet cover, the ceramic ring comprises a mounting part and an outer ring located on the periphery of the fixing part, the mounting part and the outer ring are connected through a plurality of connecting ribs, a ventilating duct is formed between every two adjacent connecting ribs, and a breaking seam enabling the outer ring to be broken in the circumferential direction is formed in the outer ring. The outer ring of the ceramic ring is provided with the breaking seam, so that the ceramic ring is broken in the circumferential direction, the situation that the ceramic ring is damaged due to thermal expansion is avoided, and the service life of the ceramic ring is guaranteed.

The invention discloses an optical fiber laser cooling heat dissipation device and a heat dissipation method, and belongs to the field of optical fiber lasers, the optical fiber laser cooling heat dissipation device comprises a box body, a first installation area and a second installation area are arranged in the box body in a separated mode, an optical fiber laser and a cooling plate are arranged in the first installation area, and a liquid cooling medium is contained in the cooling plate; the second mounting area is provided with a heat dissipation assembly, and the heat dissipation assembly is connected with the cooling plate so as to cool the liquid cooling medium; the optical fiber laser comprises a pumping source assembly, a concave portion is correspondingly arranged on the cooling plate, and the outer wall of the pumping source assembly and the concave portion are arranged in a coplanar mode so that the surface of the pumping source assembly can make contact with the liquid cooling medium. According to the cooling and heat dissipation device for the optical fiber laser, the concave part is arranged on the cooling plate, and the pumping source assembly and the cooling plate are arranged in the same plane, so that the liquid cooling medium in the cooling plate directly cools the pumping source assembly, the cooling effect on the optical fiber laser is greatly improved, and it is ensured that the working temperature of the optical fiber laser is accurate and controllable.