262results about How to "Fast delivery" patented technology

This utility model provides an insect branch-fixing survey and rearing observation box, relating to the technical field of insect observation devices, and is designed to solve the problem of easy damage to branches in existing insect survey techniques. The insect branch-fixing survey and rearing observation box includes a first half-box and a second half-box. The first half-box has a first upper half-hole and a first lower half-hole, and the second half-box has a second upper half-hole and a second lower half-hole. The first and second half-boxes are joined to form a receiving cavity. When the first and second half-boxes are joined, the first and second upper half-holes together form a first hole for the branch to pass through, and the first and second lower half-holes together form a second hole for the branch to pass through. The first and second holes are respectively sealed to the branch at different locations. Both the first and second half-boxes are made of transparent material, and at least one of the first and second half-boxes has a ventilation window with a detachable mesh screen. This utility model is less likely to damage branches.

This invention relates to a portable foldable tandem wing aircraft, comprising a frame, a front wing, an arm, a rear wing, a battery pack, a linear motor, a chuck, a mounting base, a first sliding plate, a first spring, a chuck return spring, a second spring, a second sliding plate, arm-wing connectors, a self-locking structure, and a double-ball-joint connecting rod. The mounting base and chuck are located in the middle of the battery pack. The chuck is connected to the output shaft of the linear motor, and the chuck return spring is connected to the mounting base and the chuck. The first sliding plate is slidably mounted on the front end of the battery pack, and the first spring is connected to the first sliding plate. The sliding plate is connected to the fixed base; the second sliding plate is slidably mounted at the rear end of the battery cylinder, and the second spring is connected to the second sliding plate and the battery cylinder; the arm wing connector is located at the front end of the battery cylinder, and the upper and lower ends of the arm wing connector are respectively connected to the arm, the head of the arm is rotatably connected to the arm wing connector, and is rotatably connected to the first sliding plate through a self-locking structure; the left and right sides of the arm wing connector are rotatably connected to the front wing, and the two sides at the rear end of the battery cylinder are rotatably connected to the rear wing; in the folded state, the arm and the rear wing are both locked together with the chuck. This aircraft is not only easy to carry, but also improves the stability during flight.

The application provides a tunneling device and a tunneling machine, and relates to the technical field of tunnel construction, to solve the problem that the hinge oil cylinder is easily damaged due to the pushing mode of related technologies. The tunneling device comprises a front shield, a middle shield and a tail shield, and the inside of the tunneling device is provided with a first pushing assembly, a second pushing assembly and an auxiliary pushing piece; the auxiliary pushing piece is located between the front shield and the second pushing assembly; when the front shield is stuck, the second pushing assembly moves in the tunneling direction to make the second end of the second pushing assembly contact and abut against the auxiliary pushing piece, thereby pushing the front shield and realizing the unsticking of the front shield. The application sets a double mechanical force transmission structure, thereby being beneficial to avoiding the risk that the hinge oil cylinder is damaged when the single mechanical force transmission structure transmits the superhigh pushing force to the front shield; meanwhile, the application transmits the superhigh pushing force to the front shield, which is helpful to realize the unsticking of the front shield and thereby ensure the normal tunneling of the shield machine.

The invention belongs to the technical field of anhydrous magnesium chloride production, and particularly relates to a preparation process of anhydrous magnesium chloride, which comprises the following steps: firstly, dissolving magnesium chloride hexahydrate in absolute ethyl alcohol to form a magnesium chloride ethanol aqueous solution, and then dehydrating the magnesium chloride ethanol aqueous solution by using a molecular sieve to obtain the magnesium chloride ethanol solution; carrying out secondary cooling, stirring crystallization, secondary solid-liquid separation and vacuum drying on the magnesium chloride ethanol solution to obtain high-purity anhydrous magnesium chloride; and recycling ethanol liquid obtained by solid-liquid separation and ethanol gas obtained by vacuum drying. The technical scheme provided by the invention is simple in process flow, low in energy consumption, low in equipment requirement, high in product yield and high in purity, and can be directly applied to the fields of electrolytic preparation of magnesium, catalyst carriers and the like.

This invention discloses a production device for co-extruded mixed-color wood-plastic composite materials with wood grain imitation, in the field of wood-plastic recycling technology. The device includes a machine body, a twin-screw plasticizing component within the machine body, a second feed pipe containing a stirring component, a positive cone and an inverted cone whose lower ends can overlap to close the lower end of the second feed pipe, a metering mechanism for metering raw materials from the main hopper into the second feed pipe and adding a corresponding proportion of additives, and a secondary hopper located on the machine body and connected to both the second feed pipe and the twin-screw plasticizing component to buffer the mixture after stirring in the second feed pipe. The secondary hopper is funnel-shaped. The device allows for metered, multi-stage feeding and precise replenishment of raw materials, avoiding uneven mixing caused by direct replenishment in the main feed hopper. Pre-mixing improves the uniformity of additive dispersion, enhances wood grain color difference and mechanical property stability, reduces batch rework, increases production efficiency, and lowers the risk of thermal degradation of recycled materials.

The utility model relates to the field of positioning welding devices, and discloses a positioning welding device for water collecting and distributing device production, which comprises a welding table, a pressing rod and a welding gun, the left end of the top of the welding table is fixedly connected with a fixed seat, and the top end of the rear side of the fixed seat is fixedly connected with a motor I; the driving end of the first motor penetrates through the fixing base and is rotationally connected with a first connecting rod, the right end of the first connecting rod is rotationally connected with a movable rod, a first limiting groove is formed in the front side of the movable rod and connected with a second limiting groove through a limiting rod, and the second limiting groove is formed in the top end of the front side of the fixing base. And the bottom end of the front side of the movable rod is fixedly connected with a movable block. According to the valve body feeding device, automatic grabbing and placing of the valve body are achieved, manual intervention is reduced, the feeding efficiency is greatly improved, it is guaranteed that the valve body is accurately conveyed to the welding position at the top of the square pipe, and the production process is smoother. And meanwhile, welding positioning is conducted through all-directional clamping, and it is guaranteed that the square pipe is stable and free of displacement during welding.

The invention discloses a leakproof composite phase change material and application of the leakproof composite phase change material in wide temperature range operation of a lithium battery, and belongs to the technical field of battery thermal management. Boron nitride nanosheet modified ceramic fibers are used as an internal supporting framework to enhance thermal conductivity and provide capillary constraint, and a core material is a phase change medium such as paraffin or n-octadecane; the invention further discloses a preparation method of the composite material and application of the composite material in lithium battery thermal management, the composite material solves the problems that a traditional phase change material is prone to leakage, poor in heat conduction and single in function, the battery can be rapidly heated at low temperature, heat can be efficiently absorbed and diffused at high temperature / normal temperature and high rate, and the service life of the battery is prolonged. The safe, efficient and stable operation of the lithium battery in a wide temperature range is realized, the leak-proof performance is high, the cycling stability is good, the preparation cost is controllable, and the application prospect is wide.

This invention provides a composite electrode for the comprehensive recovery of valuable metals, its preparation method, and its application. The composite electrode comprises a positive electrode active layer and a modified matrix layer. The modified matrix layer includes a tubular solid electrolyte body and a modified material layer disposed on the surface of the tubular solid electrolyte body; the modified material layer comprises a conductive polymer. The electrochemical lithium extraction combined with chemical reduction leaching of nickel, cobalt, and manganese using this composite electrode not only achieves high-efficiency recovery of valuable metals such as lithium, nickel, cobalt, and manganese, but also significantly reduces wastewater treatment costs and environmental risks.

The utility model discloses an unmanned vehicle line control chassis high -efficient heat dissipation structure relates to vehicle chassis equipment technical field, is provided with the heat dissipation portion on the chassis, the heat dissipation portion is provided with a plurality of mutually parallel heat dissipation grating, and the inner airflow passage is formed between two adjacent heat dissipation grating, is provided with a plurality of mutually parallel heat dissipation fin on the upper end surface of a plurality of heat dissipation grating, and the outer heat dissipation passage is formed between two adjacent heat dissipation fins, and the interval between two adjacent heat dissipation grating is less than the interval between two adjacent heat dissipation fins, the heat dissipation fin upper edge contour line is extended from both sides to the center symmetry, and one side contour line section includes side horizontal section, large angle drop section, small angle rise section, central horizontal section in proper order, and the scheme simple structure can be high -efficient heat dissipation under the scene such as static parking, low -speed driving, high -speed operation etc.

The application provides a stuck-free screw drill. The stuck-free screw drill comprises a bypass valve assembly, a falling prevention assembly, a motor assembly, a universal shaft assembly, a stuck-free assembly and a transmission shaft assembly, one end of a stuck-free shell is connected with a universal shaft shell, and the other end of the stuck-free shell is connected with a transmission shaft shell; one part of a stuck-free main shaft is located in the stuck-free shell, one end of the stuck-free main shaft is connected with the universal shaft, the other end of the stuck-free main shaft is connected with the transmission shaft, and the stuck-free main shaft has a first clamping part; a stuck-free piston is sleeved on the stuck-free main shaft, and one end of the stuck-free piston away from the universal shaft has a second clamping part matched with the first clamping part, and the first clamping part and the second clamping part are detachably connected; a stuck-free spring is sleeved on the stuck-free main shaft, one end of the stuck-free spring is in abutment with the stuck-free piston, and the other end of the stuck-free spring is in abutment with the stuck-free shell. The application solves the problem that the screw drill cannot be unstuck after being stuck in the prior art.

The utility model discloses a slurry shield device, which belongs to the technical field of tunnel construction and comprises a containing box, a slurry cabin, a first conveying pipeline, a processing mechanism, a second conveying pipeline and a cutter head. The containing box is provided with a feeding opening communicating with the inner space, and the feeding opening is used for feeding muddy water materials into the containing box. The slurry cabin is used for accommodating initial slurry; the first conveying pipeline is used for conveying initial slurry in the slurry cabin to the accommodating box; the processing mechanism is used for processing the muddy water material entering the charging hole and the initial slurry in the accommodating box into standard slurry; the second conveying pipeline is used for conveying the standard slurry in the accommodating box to the slurry cabin; the cutterhead is arranged in the muddy water cabin and used for laying the standard slurry in the muddy water cabin to a tunnel face to form a mud film.

This invention discloses an automated tire warehousing system and method for truck cranes, belonging to the field of intelligent manufacturing and logistics automation technology. The system integrates a WMS (Wastewater Management System), MES (Manufacturing Execution System), a central control scheduling system, AGVs (Automated Guided Vehicles), a gantry robot, and a dual-mode vision system. The method is as follows: the MES issues orders, and the central control system breaks down tasks; the WMS schedules AGVs to return empty pallets and deliver tires to the production line; the gantry robot uses 2D vision to scan the tire's QR code for identity verification; if the verification is correct, the tire enters assembly; otherwise, it is returned and reassembled; after assembly, the central control system triggers the warehousing task, the WMS dynamically allocates the optimal storage location, the AGV transports the tire to the temporary storage area, and the gantry robot, guided by 3D vision, accurately grasps and places the tire into the storage location; the WMS updates the inventory. This invention achieves full-process automation and information closure of tires from production line to warehousing, significantly improving efficiency, accuracy, and warehouse utilization, while reducing costs and safety risks.

This utility model discloses a valve conveying device, which includes a main board. The bottom of the main board has an internal valve track matching the valve. Above the main board are two valve outlet pipes, I and II, arranged sequentially along and connected to the internal valve track. An isolation valve, which blocks the internal valve track when activated, is located between the two outlet pipes. Two valve inlet interceptor plates and two clamping plates are mounted on both sides of the main board. The valve inlet interceptor plates are located on the side of valve inlet pipe I furthest from valve inlet pipe II and are driven by a valve inlet interceptor cylinder. The clamping plates are used to clamp the valve at the valve conveying position and are driven by a clamping plate control cylinder. The valve conveying position refers to the position where the internal valve track aligns with valve inlet pipes I and II. The main board contains an air blowing pipe corresponding to the valve conveying position. This utility model's device has a reasonable structural design, enabling rapid and efficient valve conveying. The valve conveying pipe can be laid using a flexible hose, making installation convenient.

The invention relates to the technical field of cutting fluid, in particular to cutting lubricating fluid as well as a preparation method and application thereof. The invention provides a special cutting lubricating liquid for finish machining of flutes on the inner wall of an aluminum alloy waveguide, the special cutting lubricating liquid comprises the following components in parts by weight: 89-91 parts of kerosene, 4-6 parts of No.40 engine oil, 0.8-1 part of rapeseed oil, 0.3-0.5 part of tung oil, 0.3-0.5 part of a flame retardant and 0.8-1 part of a penetrant, the composition comprises kerosene, engine oil, rapeseed oil and tung oil, and the flame retardant and the penetrant are supplemented. The lubricating fluid comprehensively solves the problems of built-up edges, oxidation corrosion and cutter wear in deep and narrow flute processing through complementation of advantages of all the components in permeation, lubrication, cooling and film-forming properties.

The utility model discloses an efficient and energy-saving screw rod structure of a PP plastic bottle extruder, and relates to the technical field of PP plastic bottle extruders. Comprising a main body disc, a plurality of extrusion rods are arranged at the left end of the main body disc, threaded grooves are formed in the surfaces of the extrusion rods, and the main body disc, the extrusion rods, the threaded grooves, tooth grooves, a spur gear, a rotating column and a motor are used in cooperation, so that the output end of the motor rotates to drive the rotating column and the spur gear to rotate; firstly, a spur gear rotates to drive a plurality of extrusion rods to synchronously rotate, threads and threads of a plurality of threaded grooves are matched with one another, so that the extrusion rods synchronously rotate to shear plastic raw materials through the threaded grooves, the shearing efficiency is improved, and the overall energy consumption is reduced; therefore, materials can be conveniently and rapidly conveyed in the feeding section, material accumulation is reduced, the screw pitches are gradually reduced in the compression section and the metering section, and therefore multiple materials can be effectively compressed and homogenized.

The utility model relates to an efficient heat dissipation blower shell in the blower field, which comprises an assembly shell, the assembly shell comprises a left piece and a right piece which are assembled through a buckle structure on the inner side of the assembly shell, the upper side of the interior of the assembly shell is provided with a first square cavity, and the top of the assembly shell is provided with a second square cavity; a first square cavity and a second square cavity are formed in the shell body, an assembly plate is inserted into the first square cavity, a cover plate is inserted into the second square cavity, heat dissipation holes are formed in the assembly plate, and heat dissipation fins are welded to the inner side of the assembly plate. And the assembly plate is limited through the limiting corner connector and the limiting shifting piece, so that the heat dissipation area is increased through the heat dissipation fins when the blower is used, heat can be effectively dissipated out, and the heat dissipation efficiency is improved.

The application relates to an integrated full-liquid-cooled charging pile device and an intelligent temperature control method thereof. The device comprises a cold plate heat exchanger, a circulating pump, a liquid-cooled charging gun, a liquid storage tank and a liquid supply pump. The liquid storage tank is in communication with the liquid-cooled charging gun and an immersed power module cooling box. The liquid supply pump is arranged on the pipeline of the liquid storage tank and the liquid-cooled charging gun. The liquid supply pump is arranged on the pipeline of the liquid storage tank and the immersed power module cooling box. The input end of the circulating pump is in communication with the liquid-cooled charging gun and the immersed power module cooling box. The circulating pump is in communication with the cold plate heat exchanger. The cold plate heat exchanger is in communication with the liquid storage tank through the pipeline. The application adopts a circulating pump parallel cooling architecture, and parallel cools the power module and the charging gun. The mixed cooling liquid is pumped into the same cold plate heat exchanger, and finally returns to the liquid storage tank to form a closed loop, so that the heat carried by the cooling liquid is quickly transferred to an external cold source. The high-efficiency heat dissipation capacity allows the power module to stably work at a higher temperature and power, and prolongs the service life of the charging gun and the power module.

The application relates to the technical field of heat exchangers, and discloses a self-supporting plate-fin energy-saving heat exchanger which comprises an outer frame, a heat exchange cavity is formed in the inner part of the outer frame, and a plurality of pairs of positioning frames are vertically arranged in the heat exchange cavity. The wave-shaped positioning frames generate longitudinal vortexes when fluid flows through the wave crests and wave troughs, the fluid boundary layer on the surface of the heat exchange pipes is destroyed, and the thermal resistance is reduced; adjacent V-shaped heat dissipation fins make the fluid accelerate and collide at the included angle, secondary turbulent flow is formed, the contact area is enlarged from the micro level, and the heat diffusion is accelerated; the double effects of macro vortex flow and micro turbulent flow greatly improve the heat exchange efficiency compared with the conventional structure, the heat transfer can be realized more quickly and more fully under the same working condition; meanwhile, the heat dissipation fins have the angle-adjusting function, the angle of the fins is adjusted, the dynamic switching of energy saving and high efficiency is realized, and the equipment can flexibly adapt to complex working conditions with different flow rates and temperature differences.

The utility model belongs to the technical field of pipe shed steel frame, concretely relates to a mine laneway fabricated pipe shed steel frame, including steel pipe and grouting expansion assembly, is equipped with overflow booster hole on the side of steel pipe located in one side of steel pipe grouting hole, grouting expansion assembly is sleeved on the steel pipe outside overflow booster hole, grouting expansion assembly is composed of rubber expansion ring, fixed ring, temperature sensing lock ring, both ends of rubber expansion ring are clamped in the inside of fixed ring, and one end of temperature sensing lock ring is clamped and connected between the outside surface of rubber expansion ring and fixed ring, the other end of temperature sensing lock ring is formed with deformation compression section. Grouting expansion assembly is added to the outer wall of steel pipe, realizes slurry pressure trigger type plugging, with the two-stage sealing mechanism of slurry pressure expansion and temperature control locking, solves the problem that slurry flows back and seeps from the gap between pipe wall and aperture.

The invention relates to the technical field of flour processing, in particular to a flour mill for flour processing, which comprises a grinding body, the grinding body is provided with an inner cavity, a mounting cover is hinged to the top of the grinding body, a bottom box is fixed on the inner bottom wall of the grinding body, and the bottom box is provided with a material cavity. According to the flour mill for flour processing, the driving source drives the rotating shaft to rotate, the rotating shaft drives the top ring to stably rotate around the axial direction of the rotating shaft through meshing transmission of the linkage fluted disc and the second outer gear ring, and then the top ring drives the cylinder, the annular cylinder and other components to synchronously rotate; and the first grinding plate on the cylinder can uniformly cover materials on the surface of the filter screen, so that the situation that local materials are excessively ground and are not fully ground is avoided, and flour is uniformly ground.

This utility model discloses a motor based on heat dissipation material, including: a stator, a rotor, and a housing. The stator and rotor are disposed inside the housing, and the housing is provided with heat dissipation channels. The heat dissipation channels are connected to a coolant circulation component, which is equipped with a heat exchange component. By providing heat dissipation channels on the housing and connecting the coolant circulation component and the heat exchange component, the coolant circulation component can carry away heat from the heat dissipation channels, while the heat exchange component dissipates the heat carried by the coolant to the outside, significantly improving the heat dissipation efficiency of the micro motor, helping to reduce the motor's operating temperature and extend its service life. Furthermore, the housing is a high thermal conductivity ceramic composite material composed of an aluminum nitride ceramic matrix and silicon carbide whiskers, which has excellent thermal conductivity and can dissipate heat from inside the motor in a short time, significantly reducing the temperature gradient inside the motor, preventing local overheating, and maintaining stable operation of all components.

The utility model provides a flow guide device and an air conditioner with the flow guide device, the flow guide device is arranged at an air supply outlet of a fan, and the flow guide device comprises a flow guide plate and a surrounding plate; the coaming is installed on the fan, on the air supply path of the air supply outlet, the first end of the flow guide plate is connected with the fan, the second end of the flow guide plate inclines towards the central axis of the air supply outlet, the second end of the flow guide plate and the coaming define a flow guide air duct, and the flow guide air duct communicates with the air supply outlet. According to the utility model, the guide plate is arranged at the air supply outlet, so that air can uniformly cover each area of the evaporator when passing through the guide air duct, the problem of insufficient air quantity at the bottom of the original evaporator is effectively solved, and the air field distribution on the windward side of the evaporator is more uniform.

The utility model provides an enzyme preparation batching device which is characterized in that a rotating ring is rotatably connected to the center of a rotating seat, and a heating pipe is arranged on the rotating seat, so that the heating pipe penetrates through the rotating ring and is fixedly connected with the rotating seat; meanwhile, the rotating rod is arranged on the heating pipe in a sleeving manner through the cavity in the rotating rod and is fixedly connected with the rotating ring, so that the heating and stirring functions are integrated in the rotating rod, the space occupied by the heating pipe and the rotating rod is greatly reduced, and the size of the batching device is reduced. And secondly, a heating pipe in the rotating rod generates heat through current heating, the heat is conducted to the enzymic preparation ingredients in the batching tank to keep the temperature, and meanwhile, the rotating rod rotates to drive a stirring paddle to fully stir the enzymic preparation in the batching tank, so that uniform distribution of the heat is promoted, uniform dispersion of the enzyme and the auxiliary materials is realized, and the efficiency and quality of the enzymic preparation batching are improved. And finally, the rotating rod and the stirring paddle are made of a heat conduction material, so that the heat generated by the heating pipe can be quickly and uniformly transferred into the batching tank.

The utility model discloses a numerical control processing automatic line, including frame, portal frame, feed conveyor, waste conveyor, conveying line, take material mechanism, three -axis positioning mechanism, processing mechanism and conveying jig, conveying line and waste conveyor are in parallel set up in the frame, and the waste conveyor is located one side of conveying line, and conveying jig transmission is in conveying line, and three -axis positioning mechanism and processing mechanism are installed in the portal frame, and take material mechanism is installed in three -axis positioning mechanism and realizes three -dimensional motion through three -axis positioning mechanism, and conveying jig includes workstation, and a plurality of discharge chute are seted up in the workstation, and the discharge port of a plurality of discharge chute is located above the waste conveyor, and the workstation is installed with sectional material frame, and a plurality of fastening jigs are installed on sectional material frame, and a plurality of fastening jigs are fixed to the sample of processing. The numerical control processing automatic line through the cooperation of each component operation, realize material automation conveying, accurate positioning and efficient processing, effectively improve production efficiency and processing accuracy, reduce the artificial cost.

The utility model discloses an LED display screen monitoring system, and relates to the technical field of LED display screens. The LED display screen monitoring system comprises an upper computer, a sending card, a plurality of Hub cards and a plurality of lamp panels, wherein the upper computer is connected with the sending card through a gigabit network port; the sending card is used for broadcasting a monitoring instruction to the outside; the Hub card comprises a first FPGA module, an MCU module, a gigabit phy module and an external interface module, the first FPGA module is used for collecting sensor data of a connected lamp panel, the MCU module is used for communicating with the first FPGA module, the gigabit phy module is used for communicating with the sending card, and the first FPGA module communicates with the lamp panel through the external interface module; the lamp panels are provided with sensing modules, and the sensing modules are used for monitoring sensor data of the corresponding lamp panels and sending the sensor data to the corresponding Hub cards. The LED display screen monitoring system provided by the utility model has the advantages of high monitoring efficiency, accuracy and rapidness.

This invention discloses an end-face coated crystal optical element for a laser resonator and its fabrication method, belonging to the field of optical element fabrication. It includes an optical crystal, a high-reflectivity film disposed on one end face of the optical crystal, and a partially transmissive film disposed on the other end face. The high-reflectivity film sequentially includes Y-coatings along the end face of the optical crystal outwards. b F3 First Floor, H f O2 first layer, Y b F3 Second Layer, H f O2 second layer...Y b F3, Q layer, H f O2, Q layer. This invention utilizes Y... b 3+ Sensitization improves pump absorption efficiency and through Y b To E r Energy transfer effectively alleviates high-doped E r The self-termination effect in YAG lasers enables high efficiency and high energy output of 2940nm lasers, making them suitable for fields such as medical aesthetics and precision machining.

This application discloses a can sealing film-saving device, relating to the field of can sealing technology. It includes a processing table, a support frame fixedly connected to the surface of the processing table, a fixing block fixedly connected to the top of the support frame, a rotating shaft rotatably connected to one side of the fixing block, a film-sealing roll on the surface of the rotating shaft, and an auxiliary roller A below the rotating shaft. An auxiliary roller B is parallel to the end of the support frame away from the auxiliary roller A. This application allows the winding shaft and drive motor to work in coordination, synchronously recovering the remaining film after sealing according to the film release rate and sealing rhythm, avoiding waste caused by random discarding or accumulation of film. Long-term use can significantly reduce the cost of film consumables. Simultaneously, the switch controller enables centralized control of the drive motor, electric push rod A, and electric push rod B. Operators do not need to operate each component individually; they can control the entire operation process solely through the controller, simplifying the operation steps.

This utility model discloses a refrigerator utilizing heat pipe technology. The refrigerator includes a cabinet, a storage compartment within the cabinet, a cooling tank above the storage compartment containing coolant, a heat pipe assembly fixedly installed in the cooling tank, a refrigeration system, and a fan assembly with an air inlet connected to the storage compartment. The heat pipe assembly consists of multiple gravity heat pipes, each with a condensing section, an adiabatic section, and an evaporating section. The condensing section is located inside the cooling tank and immersed in the coolant, while the evaporating section is located inside the storage compartment. The refrigeration system includes a refrigeration component located below the storage compartment and an evaporator mounted on the cooling tank and immersed in the coolant. This utility model optimizes conventional refrigeration systems by incorporating heat pipe technology, achieving efficient heat transfer and improving the refrigerator's refrigeration performance and energy efficiency. Simultaneously, the compressor's start-up and shutdown have a slow response to the refrigerator's internal temperature, resulting in smaller temperature fluctuations, which is beneficial for the preservation of goods.

The utility model relates to the technical field of waste heat recovery, and disclose an energy -conserving and environment -friendly coffee baking waste heat recovery device, including base, the base top is provided with recovery mechanism, the recovery mechanism top is provided with the equalizing mechanism. The device sets up recovery mechanism, can effectively recycle the waste heat produced in the coffee baking process. The air inlet pipe is connected with the exhaust pipe of coffee baking machine, and the high-temperature waste gas produced in the baking process is introduced into the first box body, and the heat in the waste gas is transmitted to the water in the second box body through the circulating pipeline, realizing the effective recovery and utilization of heat, improving the energy utilization efficiency, meeting the concept of energy saving and environmental protection, the filter plate design in the recovery mechanism can filter the impurities in the waste gas, prevent the impurities from entering the subsequent circulating system, and ensure the stable operation of the system. The filter plate is fixed through the rotating plate and the bolt, and is convenient to disassemble, convenient for regular cleaning or replacement, reduces the maintenance cost, and prolongs the service life of the equipment.

Provided is a thermal barrier for a secondary battery, the thermal barrier including: a metal housing having an internal space; the cooling thermal insulation material is arranged in the metal shell; a metal support accommodating the metal housing; and an encapsulation pocket surrounding the metal support, where the metal support includes a first plate and a second plate, and the metal housing is accommodated between the first plate and the second plate.