75 results about "Conduction cooling" patented technology

The invention relates to the technical field of cabinet cooling, and particularly discloses a dual-cooling type communication base station cabinet, which comprises a cabinet body, a circulating cooling unit arranged at the top of the cabinet body and a conduction cooling unit arranged at the side part of the cabinet body, active forced exhaust of the circulating cooling unit and passive heat exchange and phase change heat transfer of the conduction cooling unit are combined, so that the dual cooling effect is improved; when the ventilation net plate is blocked due to moisture, and the exhaust efficiency in the air inlet cover is reduced, the trigger piece automatically starts the driving piece, the driving piece is linked with a rotating shaft of the motor, the vibrating piece is driven to vibrate meshes of the ventilation net plate up and down in a reciprocating mode, hardened blocks are promoted to be broken, and meanwhile the friction piece is driven to conduct transverse reciprocating friction on the ventilation net plate. And the trigger part disconnects the driving part until the discharge efficiency is recovered and the temperature is reduced to a normal range, so that the meshes are effectively prevented from being blocked, smooth air inlet is maintained, and the maintenance requirement is reduced.

The utility model provides a cooling structure of a high-temperature superconducting coil assembly and a superconducting magnet. A cooling assembly of the cooling structure is attached to the outer surface of at least one side of the high-temperature superconducting coil assembly. The cooling assembly comprises a cold guide plate component and a plurality of cooling pipes, the surface of one side of the cold guide plate component in the thickness direction is attached to the outer surface of the corresponding side of the high-temperature superconducting coil assembly, and a plurality of mounting grooves extending in the thickness direction are further formed in the surface of the other side of the cold guide plate component. The multiple cooling pipes are arranged in the corresponding installation grooves in a matched mode, and the outer wall of each cooling pipe makes thermal contact with the inner wall of the corresponding installation groove. The cooling pipe is used for forced flow cooling, the cold guide plate component achieves conduction cooling, the heat exchange efficiency of the combination of the cooling pipe and the cold guide plate component is higher than that of a single heat exchange mode, and the mode that the cooling pipe is installed in the installation groove of the cold guide plate component enables the structure of the cooling assembly to be compact, and space is saved.

Example embodiments provide a voice coil speaker that may comprise a speaker frame and a diaphragm connected to the speaker frame and configured to be capable of axial movement. A heat conducting coil former may be connected to the diaphragm. A pole piece and a back plate may form an annular gap and conduct magnetic flux from an axially polarized permanent magnet in a complete loop that includes the annular gap. A voice coil may be wound on the heat conducting coil former and residing in the annular gap, the magnetic flux passing through the voice coil in the radial direction, such that the voice coil produces an axial force to cause the diaphragm to produce sound. A thermal bridge may be configured to conduct heat from the heat conducting coil former to the back plate.

The utility model relates to the technical field of preparation of synthetic ammonia from natural gas, and discloses a cooling device for preparation of synthetic ammonia from natural gas, which comprises a cooling box, gas storage boxes are fixedly mounted on the left side and the right side of an inner cavity of the cooling box through supports, and guide pipes are uniformly communicated between the two gas storage boxes. Through the arrangement of the gas storage box, the guide pipe, the water storage pipe, the spraying head, the coiled pipe, the conduction plate, the submersible pump and the three-way pipe, the ammonia raw material gas can be conveniently conducted and cooled, meanwhile, the conduction cooling area of the ammonia raw material gas can be increased through the arrangement of the guide pipe, the conduction plate and the coiled pipe, the cooling speed of the ammonia raw material gas is increased, and the service life of the ammonia raw material gas is prolonged. By arranging the air box and the cooling fan, air blowing cooling can be conducted on the guide pipe, the conduction cooling speed of the ammonia gas raw material gas is further increased, by arranging the structure, multi-stage rapid cooling use can be achieved, and therefore the use requirements of customers can be met, and the production efficiency is prevented from being affected.

The embodiment of the present application discloses a magnetic resonance image guided radiotherapy system. The magnetic resonance image guided radiotherapy system comprises a radiotherapy device, the radiotherapy device comprises a treatment head; a magnetic resonance imaging device, the magnetic resonance imaging device comprises a main body, the main body is provided with a superconducting magnet adopting a liquid-helium-free conduction cooling technology and a through hole communicating the inner wall and the outer wall of the main body; the treatment head is at least partially arranged in the through hole and is used for emitting a radiation beam to the internal cavity of the main body to perform radiotherapy.

A system and method enabling the use of convection cooled dual-inline memory modules (DIMM) in non-convection environments, specifically used for computing applications for harsh environments. This system and method describes a design which transfers heat from the various components on the memory module to thermally opportunistic areas of an enclosure in the absence of sufficient or in some cases any convective cooling conditions. The system and method describes a sandwiched metal heat plate assembly, being constructed from a thermally conductive material, which is attached to a heat pipe, designed to be highly thermally conductive, which is further attached to a thermally conductive cold plate saddle, which in turn is connected to a thermal sink. The heat generated in the DIMM is conducted to the heat plate by way of a thermal interface material, this energy transferred to the heat pipe, and then to a cold plate which dissipates the energy to the ambient environment. The system does not require a plurality of fins inside the enclosure, liquid cooling, nor airflow within the enclosure to accomplish the memory thermal management. The invention includes a heat pipe saddle, a heat pipe, a clamshell heat extraction mechanism in conjunction with a thermal interface compound for improving the heat transfer from the DIMM to the heat sink.

A semiconductor module includes a heat sink configured to conduct a cooling fluid in a cooling-fluid flow direction. A first semiconductor assembly is arranged on a surface of the heat sink. The first semiconductor assembly includes a first substrate having a first dielectric material layer, and a first semiconductor element connected to the first substrate. A second semiconductor assembly is arranged on the surface of the heat sink and closest to a downstream end of the heat sink. The second semiconductor assembly includes a second substrate having a second dielectric material layer, and a second semiconductor element connected to the second substrate. The second dielectric material layer has a thermal conductivity which is higher than a thermal conductivity of the first dielectric material layer.

The utility model discloses a uniform cooling device for ABS (Acrylonitrile Butadiene Styrene) plastic production, which comprises a main box body and a cooling inner box, support frames are arranged at the bottom ends of the outer walls of the two sides of the main box body, base plates are arranged at the bottoms of the two groups of support frames, two groups of feed hoppers communicated with the cooling inner box are arranged at the top of the main box body, and a guide frame is connected to the bottom of the cooling inner box. The rear side wall of the main box body is connected with an air cooler, an air outlet of the air cooler is connected with an air conveying pipe, the air conveying pipe is provided with a plurality of sets of air outlet heads, heat conduction cooling components are arranged on the periphery of the cooling inner box, and heat dissipation openings which are formed in a penetrating mode are formed in the side walls of the periphery of the main box body. Cold air can be evenly blown to ABS plastic of the cooling inner box through the air cooler through the multiple sets of air outlet heads on the air conveying pipe, uniform cooling of the ABS plastic is achieved, heat in the cooling inner box is cooled through the heat conduction cooling part in the peripheral direction, and the cooling effect of the ABS plastic in the cooling inner box is improved.

The invention relates to the technical field of frozen soil engineering disease treatment and prevention and control, in particular to a one-way heat conduction water heat prevention and control tower footing stability enhancing device which comprises a water storage and supplement unit, a sunshade unit and a heat insulation and cold storage unit. The heat insulation and cold storage unit is buried in frozen soil around the bottom of a power transmission line iron tower material and extends above the ground surface, and the surface of the heat insulation and cold storage unit is in a water dispersing shape with the high inside and the low outside and used for reducing the temperature of the frozen soil on the lower portion in winter. According to the filling type combined structure, through organic cooperation and cooperative linkage of all the units, the synergistic effect mechanism of sunshade cooling, one-way heat conduction cooling and multi-stage cooling is innovatively adopted, the good protection effect on lower frozen soil is achieved, the dual purposes of the excellent cooling effect and the improvement of the stability of a frozen soil foundation are achieved, and the filling type combined structure has the high flexibility and is suitable for large-scale popularization and application. The method can fully adapt to the complex working conditions that the field terrain is uneven and the landform changes drastically, and the problem that a traditional structure is insufficient in adaptability to the construction environment is effectively solved.

The invention relates to the technical field of high-temperature superconducting magnet detection, and discloses a detection method and system for a conduction cooling type high-temperature superconducting magnet, and the system comprises a magnetic field intensity detection module which is used for monitoring the magnetic field intensity of the high-temperature superconducting magnet in real time; the temperature detection module is used for detecting temperature information of all parts of the high-temperature superconducting magnet. And the current detection module is used for detecting the current flux of each part of the high-temperature superconducting magnet. And the judgment module is used for evaluating the health score of the high-temperature superconducting magnet according to the magnetic field intensity of the high-temperature superconducting magnet, the temperature distribution of the high-temperature superconducting magnet and the current distribution of the high-temperature superconducting magnet. And the early warning module is used for comparing the evaluated health score with a preset health score and sending an early warning notification according to a comparison result. Through cooperative work of all the modules, the operation state of the magnet can be effectively and comprehensively monitored, potential problems can be found in time, and an alarm notice is sent to an operator.

The application relates to a pumped conduction-cooled semiconductor laser package structure and a packaging method thereof. The package structure comprises an L-shaped heat dissipation heat sink, an AlN ceramic substrate is arranged on the vertical arm of the L-shaped heat dissipation heat sink, a multi-chip array matched with the AlN ceramic substrate is arranged above the AlN ceramic substrate; the multi-chip array comprises alternately connected tungsten copper heat sinks and mini chips, and the tungsten copper heat sinks and the mini chips are arranged in an array with one end aligned; a groove is arranged on the AlN ceramic substrate, and the groove and the positions and numbers of the mini chips correspond; a mounting fixing hole is arranged on the horizontal arm of the L-shaped heat dissipation heat sink. The application realizes side light emission through side welding insulation of the chips, and overcomes the problem that the existing devices packaged by centimeter bar are usually upward light emission. Meanwhile, the current used at the same time is small, and uneven heat dissipation is avoided.

The invention provides a bunched wire harness with a liquid cooling heat dissipation fixing structure. The bunched wire harness comprises a shell, an isolation assembly and a flow guide assembly. The shell comprises a cavity, spiral cooling fins arranged on the peripheral face of the shell and a backflow pipe. The isolation assembly comprises a partition plate consistent with the twisting direction of the heat dissipation fins and a cold flow channel penetrating through the partition plate, the partition plate is used for partitioning the wire harness, and the cold flow channel is used for conducting a cooling medium to the backflow pipe; the flow guide assembly comprises a flow dividing piece for inputting a cold area medium, a flow converging piece for discharging the cold area medium and a circulating bin for guiding a rotary cooling medium, and is used for forming a complete circulating channel. According to the invention, through dual heat dissipation of external air cooling and internal liquid cooling, the problems of uneven heat dissipation and insufficient heat dissipation of the bunched wire harness are solved; the partition plate achieves the dual functions of wire harness fixing and heat dissipation and conduction; the device is high in heat dissipation efficiency, reliable in sealing, high in adaptability and suitable for installation and heat dissipation of the high-power bunched wire harness.

The invention discloses a circuit breaker double 485 self-healing communication and pulse fault-tolerant aggregation, and relates to the field of circuit breakers, the circuit breaker double 485 self-healing communication and pulse fault-tolerant aggregation comprises a first shell, a second shell is fixed on the first shell, a heat dissipation supporting plate is fixed in the second shell, and an efficient heat dissipation mechanism is arranged on one side, away from an arc extinguish chamber, of the heat dissipation supporting plate. An auxiliary ventilation mechanism is arranged on the side, away from the arc extinguish chamber, of the heat dissipation supporting plate. When natural heat dissipation cannot meet the heat dissipation requirement, the efficient heat dissipation mechanism on the heat dissipation supporting plate is used for conducting temperature conduction and cooling, meanwhile, the efficient heat dissipation mechanism sucks in external air and then discharges the external air, the external air is used for assisting the efficient heat dissipation mechanism, and meanwhile the efficient heat dissipation mechanism drives the auxiliary ventilation mechanism; and the auxiliary ventilation mechanism drives the filter plate to vibrate, so that on the premise of ensuring electrical safety, accurate temperature control of the most critical heating point is realized, preposed heat guarantee is provided for the communication module, and leap of the overall performance and reliability of the circuit breaker is realized.

The invention discloses a low-temperature cooling system for a superconducting rotor of a superconducting motor, belongs to the field of superconducting motors, and aims to solve the problems that an existing refrigerant transmission device for the superconducting rotor of the superconducting motor is complex in structure and poor in sealing possibly. Comprising a rotor cooling shell, a cooling inner stator, a refrigerant inlet pipe and a refrigerant outlet pipe device. The rotor cooling shell, the cooling inner stator, the refrigerant inlet and outlet pipe and the refrigerant outlet pipe form a cooling loop, a refrigerant is pumped into the cooling loop through the low-temperature pump, the rotor cooling shell is cooled in a convective heat exchange mode, and then the rotor iron core and the superconducting magnet assembly are cooled in a conduction cooling mode. The refrigerant inlet pipe and the refrigerant outlet pipe are static, so that a low-temperature medium is prevented from flowing through the rotary sealing joint, the low-temperature cooling structure is simplified, and the reliability of the superconducting rotor is improved.

The utility model discloses a security camera technical field's security camera that good heat dissipation effect, including roof and connecting frame, the connecting frame top and the roof lower wall surface center department connection, the connecting frame lower extreme installation has the camera casing, install camera module in the camera casing, the camera casing upper end one side is installed with heat dissipation structure, the heat dissipation structure includes fixed plate, operating box, air intake pipe, protection subassembly, air inlet fan, heat dissipation fan, heat dissipation fin, semiconductor refrigeration piece and conduction cooling subassembly, the heat dissipation structure of the case, adopt the cooperation mode of semiconductor refrigeration piece and conduction cooling subassembly, can realize the effective cooling of air intake, and through the cooperation of the air inlet fan that sets up, can effectively deliver low temperature gas to the inside of camera casing, and exhaust through the exhaust hole, can fully guarantee the heat dissipation effect of security camera.

The utility model relates to the technical field of lithium battery heat dissipation, in particular to a fast charging heat dissipation device for an automobile lithium battery. According to the technical scheme, the cooling device comprises a lower vacuum heat conduction cooling disc, a cushion disc and an upper vacuum heat conduction cooling disc, and further comprises a water cooling assembly and a steam condensation assembly, and through the arrangement of the water cooling assembly and the steam condensation assembly, cooling liquid in the lower vacuum heat conduction cooling disc absorbs heat from a battery in the flowing process; the cooling liquid in the upper vacuum heat conduction cooling disc can also cool the upper end of the flat heat pipe all the time, meanwhile, the cooling liquid in the lower water cooling channel can be partially evaporated after heat absorption and temperature rise, and steam can be quickly condensed into liquid when floating upwards and making contact with the inner wall of the upper end of the flat heat pipe which is cooled all the time; and the liquid flows back to the lower part along the capillary holes of the capillary structure layer, so that the cooling liquid can be cooled in the process of absorbing the heat of the battery instead of being cooled only in a heat exchanger.

The application discloses a cavity processing method for RF superconducting accelerating cavity conduction cooling, and the steps of the method comprise the following steps: 1) depositing a niobium tri-tin film on the inner surface of a superconducting cavity, and vertically testing the obtained niobium tri-tin film cavity in liquid helium; 2) after cleaning and vacuumizing the niobium tri-tin film cavity, filling the inside with a protective gas; 3) performing sand blasting treatment on the outer surface of the superconducting cavity to facilitate copper powder deposition; 4) adopting a cold spraying process to coat copper on the outer surface of the superconducting cavity after sand blasting treatment, so as to form a cold sprayed copper layer; 5) performing mechanical polishing on the equatorial position of the superconducting cavity and the positions close to the ellipsoid part on both sides of the beam tube; 6) sleeving an oxygen-free copper hoop ring matched with the equatorial position of the superconducting cavity into the equator of the superconducting cavity, and fixing an oxygen-free copper hoop matched with the beam tube of the superconducting cavity on both beam tubes of the superconducting cavity; and 7) performing cold sprayed copper treatment on the oxygen-free copper hoop ring and the positions on both sides of the oxygen-free copper hoop of the superconducting cavity again, so as to form a secondary cold sprayed copper layer.

The invention relates to the technical field of thermal analysis of superconducting magnets, in particular to a thermal analysis method and system for a conduction cooling type high-temperature superconducting magnet, and the method comprises the steps: obtaining the thermal imaging information of a superconducting magnet to be analyzed; and determining the heat conduction speed of the superconducting magnet according to the thermal imaging information, and determining the cooling score of the superconducting magnet to be analyzed according to the heat conduction speed. And determining a two-dimensional temperature distribution diagram of the superconducting magnet according to the thermal imaging information, and correcting the cooling score of the superconducting magnet according to the two-dimensional temperature distribution diagram. And determining the quality grade of the superconducting magnet based on a relationship between the cooling score of the superconducting magnet and a preset first preset cooling score and a preset second preset cooling score. The cooling performance and the quality grade of the conduction cooling type high-temperature superconducting magnet can be effectively evaluated through the thermal imaging information and the two-dimensional temperature distribution diagram in combination with the heat conduction speed and the preset scoring standard.

The invention discloses a high-stability and high-energy lath green laser system with a multi-point light beam regulation and control function, and relates to the technical field of high-energy green laser systems. Acousto-optic Q-switched double-end-face pumping Nd: YAG crystals are adopted, 1064nm fundamental frequency light is output, the average power is larger than 50W, and the degree of polarization is larger than 98%. Trapezoidal Nd: YAG is used as a gain medium, multi-pass bi-pass Innoslab amplification is carried out, and fundamental frequency light with the average power larger than 500 W is output through normal-temperature water cooling; the Nd: YAG batten realizes two-way amplification and outputs fundamental frequency light with the average power greater than 1200W; the LBO crystal is in non-critical phase matching and is matched with temperature control and light beam regulation and control, and the average power of output green light is greater than 600W; the system further comprises a pumping and homogenizing module, a water cooling / conduction cooling module, a high-stability temperature control module, a multi-point light beam regulation and control module and a system control module, and centralized control and stable operation are achieved. The composite MOPA technology is adopted to reduce the heat effect, high-stability temperature control guarantees the frequency doubling efficiency, multi-point light beam regulation and control prevents film surface damage, the laser power, the light beam quality and the operation stability are improved, and the requirement of industrial processing for high-energy green laser is met.

The utility model relates to the technical field of glucose syrup production equipment, and discloses cooling equipment for glucose syrup production, which comprises a cooling box and a support frame mounted at the bottom of the cooling box, a heat conduction base is fixedly nested in the bottom of the cooling box, and a plurality of heat dissipation plates are mounted at the bottom of the heat conduction base. A first cooling water tank and a second cooling water tank are arranged in the supporting rack in a sleeved mode, a transition column is arranged between the first cooling water tank and the second cooling water tank, the multiple heat dissipation plates are all arranged in the first cooling water tank in a sleeved mode, and a water pump is installed at the front end of the second cooling water tank. A heat conduction mechanism is formed in the cooling box through the heat conduction base and the heat dissipation plates, a circulation cooling mechanism is formed by the first cooling water tank, the second cooling water tank, the water pump, the Y-shaped pipe and the backflow pipe, and after the first cooling water tank, the second cooling water tank, the water pump, the Y-shaped pipe and the backflow pipe are used in a follow-up mode. Rapid heat conduction cooling of glucose syrup in a specified container can be fully improved in a non-contact mode.

A filter arrangement (FA) comprising the following is disclosed: - an electrically insulating carrier body (TK) that extends in a longitudinal direction (LR); - a first conductor (SL1) for conducting a current which extends at least partially in the longitudinal direction (LR) of the carrier body (TK) and is at least partially embedded in the carrier body (TK); - a first ferrite core (FK1) that surrounds the carrier body (TK) together with the first current conductor (SL1) embedded therein; - wherein the carrier body (TK) has a cooling channel (KK) extending at least partially in the longitudinal direction (LR) for conveying a cooling fluid, which is thermally connected to the first conductor (SL1) by the carrier body (TK) and at the same time electrically insulated from the first conductor (SL1). Furthermore, a power electronics device with a filter arrangement (FA) is provided.

The utility model discloses a cooling device of biological reaction equipment, which comprises an assembly seat, the top of the assembly seat penetrates through and is fixedly connected with an assembly insertion shell, a plurality of assembly holes are arranged at the bottom in the assembly insertion shell, a bioreactor is arranged above the assembly seat, the side wall of the assembly seat is fixedly connected with a storage box, and the storage box is arranged in the assembly insertion shell. The side wall of the storage box is fixedly connected with a water inlet pipe and a water outlet pipe. According to the utility model, the second bevel gear drives the driving rotating shaft on the first bevel gear and the second driving transmission disc to rotate, and then the second driving transmission disc drives the driving worm on the first driving transmission disc to rotate through the belt; the driving worm is convenient to drive, mounting rotating shafts and mounting fan blades on a plurality of mounting worm wheels are also driven to rotate and blow air, so that the air is cooled by a coiled pipe and conducts and cools the bioreactor through a plurality of assembly holes in an assembly insertion shell, heat release is fully controlled, and the use effect is improved.

The utility model discloses an annular polishing device for a ceramic anilox roller, which belongs to the technical field of polishing devices and comprises a polishing table and an anilox roller body to be polished, a hydraulic cylinder is recursively arranged on the table top of the polishing table, the annular polishing device further comprises a self-cleaning polishing mechanism, and the self-cleaning polishing mechanism is arranged above the polishing table. The self-cleaning grinding mechanism comprises a cleaning rotary drum and a grinding ring shell, the cleaning rotary drum is rotationally connected to the upper portion of the grinding machining table, and the grinding ring shell is fixed to the upper end of the cleaning rotary drum; by means of the self-cleaning polishing mechanism and the hydraulic cylinder, the anilox roller body continuously dives into the cleaning rotary drum along the frosted layer of the polishing ring shell in the rotating state, and at the moment, flowing water in the cleaning rotary drum washes the polished face of the anilox roller body, so that the function of self-cleaning residual dust is achieved; and meanwhile, the anilox roller body is in contact with water stored in the cleaning rotary drum in the polishing process, and the heat conduction and cooling effects can be achieved.

A battery powered portable chiller includes a body with a tub for receiving contents, a cooling compartment, and an insulating portion at least partially surrounding the tub. The lid opens and closes to selectively provide access to the tub. The wheel supports the body on a support surface. The refrigeration system includes a compressor, a condenser, and an expansion valve, all located in the cooling compartment, and an evaporator including an evaporator coil at least partially surrounding the tub to conduct the contents of the cooled tub. The electronic control unit is operably connected to the user interface to receive input from the user interface and control operation of the refrigeration system. The battery pack mates with the battery receptacle along the battery insertion axis in a direction toward the tub. The battery pack provides power to the electronic control unit, the user interface, and the refrigeration system.

The present application relates to superconducting magnet conduction cooling technical field, disclose a kind of for conduction cooling revolving accelerator's superconducting magnet system, including conduction cooling structure, superconducting magnet, adjusting structure, protection system.Conduction cooling structure includes cryostat, refrigerator, cold lead, cold plate.Cold lead, cold plate are connected with refrigerator and coil, and the cryostat provides the vacuum low-temperature environment required for the work of superconducting magnet;Superconducting magnet includes superconducting coil, framework and binding tape, superconducting magnet is placed in cryostat, and superconducting coil is fixed on the framework by binding tape;Adjusting structure is connected with coil framework, for adjusting the position of superconducting magnet.The superconducting magnet system of the present application discards the traditional liquid helium immersion refrigeration mode, and uses refrigerator to carry out conduction cooling refrigeration, compared with traditional design, discards valve box structure, structure is simpler, and the cost of low-temperature liquid medium is saved, and the cost of superconducting magnet system is reduced.

The utility model discloses a safe power engineering load management distribution box, which comprises a cooling box, the front side of the cooling box is fixedly connected with a distribution box main body, and the rear side of the inner wall of the distribution box main body is fixedly connected with a heat conducting plate. According to the utility model, heat is transmitted to the heat conducting plate through heating electrical components in the distribution box main body, the heat conducting plate transmits the heat to the cooling fin group, the small water pump and the cooling fan group are started, the small water pump conveys water in the cold water tank into the cooling tank, the water is scattered on the surface of the cooling fin group, and the temperature of the cooling fin group is reduced by the water; the cooled water enters the water spraying cylinder, the water spraying cylinder sprays the water into the cold water tank, the sprayed water is cooled by the airflow conveyed by the cooling fan group during the period, the temperature of the water circularly used in the cold water tank is prevented from gradually rising, and the distribution box has the advantage of safe heat dissipation, and the heat dissipation mode of the distribution box is heat conduction cooling; and dust cannot enter the distribution box in the heat dissipation process, so that the heat dissipation safety of the distribution box is improved.

The invention relates to the technical field of medical first-aid equipment, in particular to a device for heatstroke first aid and mild hypothermia treatment. Comprising a foldable cabin body; the composite cooling unit comprises a contact type conduction cooling module, a targeted brain cooling module and an environment convection cooling module; the contact type conduction cooling module is an ice blanket; the targeted brain cooling module is an ice cap, and the environment convection cooling module comprises a cold air inlet formed in the top end of the cabin body, an air outlet formed in the bottom of the cabin body and refrigeration equipment connected with the cold air inlet; and the intelligent monitoring and control unit is connected with the ice blanket, the ice cap and the refrigeration equipment and used for adjusting the temperature of the ice blanket and the ice cap and the cold air output power of the refrigeration equipment. The device provided by the invention integrates cooling, monitoring and brain protection functions, is efficient and cooperative in cooling and accurate in temperature control, can have a brain protection effect, improves the treatment safety, is light and portable, and is suitable for complex environments without fixed medical facilities, such as fields and battlefields.

Methods and systems for bolted joint conduction cooling of accelerator cavities comprises a conduction cooling system. The conduction cooling system comprises mounting at least one cooling ring to a cavity and a conduction link joined to the cooling ring with at least one connection assembly. The materials in the at least one connection assembly can be selected to experience greater thermal contraction than the cooling ring and the conduction link when cooled. A fast conduction cooling system can comprise a cryocooler in thermal communication with a conduction cooling apparatus affixed to a cavity via a conduction path and a thermal switch in the conduction path between the cryocooler and the conduction cooling apparatus wherein a thermal conductance of the thermal switch decreases as a function of temperature.

The invention discloses a rapid measurement platform and method for a low-temperature filter device, the platform comprises a first container, a second container, a cold guide plate, an electrical interface, a temperature control module and the like, and the method comprises the following steps: firstly testing the first total loss of a standard component; the low-temperature medium is discharged, a heating block is started to enable the cold guide plate to return to the normal temperature, and the standard part is taken out; fixing a to-be-tested device on the cold conduction plate, connecting an electrical interface, closing the vacuum container, vacuumizing to the preset vacuum degree, injecting a low-temperature medium into the second container, conducting heat and cooling through the cold conduction plate, and after a temperature sensor detects that the temperature of the cold conduction plate is reduced to a preset temperature and is stabilized for a preset time, starting the second container; and testing the second total loss and the standing-wave ratio of the standard component. According to the invention, the test platform comprising the vacuum container and the liquid cooling container is constructed, non-contact heat conduction and cooling of the device and the low-temperature liquid are realized by using the cold conduction plate, and meanwhile, the high efficiency and stability of temperature adjustment are ensured by matching with the temperature monitoring and rapid temperature returning component.