1918 results about "Heat Avoidance" patented technology

The invention discloses a circuit board heat management optimization method combined with quantum computing, which comprises the following steps of: predicting heat flow distribution of each heat source on a circuit board through a quantum optimization algorithm, identifying a potential overheat area, allocating cooling resources in advance, and determining whether the circuit board is abnormal or not according to a local temperature abnormal condition. A quantum gate control algorithm is adopted to adjust the conduction path and rate of heat, redundant heat is guided to a low-temperature area so as to avoid heat accumulation, the system monitors the temperature change and power consumption fluctuation of a circuit board in real time, parameters of cooling equipment are dynamically adjusted according to a feedback result, the redundant heat is converted into electric energy through a heat energy recovery device and stored, and the cooling efficiency is improved. When the power consumption is low, the heat flow is released to balance the overall heat flow of the circuit board and prolong the service life of equipment. The invention aims to realize more efficient heat dissipation management through a quantum algorithm.

The invention provides a frequency conversion permanent magnet synchronous motor integrated device, and belongs to the technical field of permanent magnet synchronous motors, the frequency conversion permanent magnet synchronous motor integrated device comprises a bottom outer shell and a top outer shell, and the joint of the bottom outer shell and the top outer shell is fixed through a bolt; a permanent magnet motor main body and a frequency converter main body are fixedly mounted in the bottom outer shell and the top outer shell through heat dissipation fins, a heat dissipation and dust removal mechanism is arranged above the frequency converter main body, and the heat dissipation and dust removal mechanism comprises a first rotating rod; through the arranged heat dissipation and dust removal mechanism, when the permanent magnet synchronous motor works, a heat dissipation fan in the permanent magnet synchronous motor can synchronously work, heat in the motor is rapidly discharged to the outside, the heat is prevented from being accumulated in the shell, a cleaning brush can move up and down in the heat dissipation process, filtering holes of an annular lifting plate are cleaned, and the heat dissipation efficiency is improved. And dust is prevented from being accumulated at the filtering holes to block the filtering holes and affect the ventilation efficiency, so that the overall heat dissipation effect of the device is improved.

The invention provides a seawater cooling control system and method which are applied to the technical field of ocean engineering, and the seawater cooling control system comprises a cooling water well, a first temperature sensor, a water level gauge, a water suction pump, a water delivery pump, a monitoring buoy, a second temperature sensor, a flow meter and a controller. The first temperature sensor and the second temperature sensor monitor the temperature in the well and the coral reef area and the water flow speed of the flow velocity metering area respectively, the water level gauge ensures that the water volume in the well is stable, and data are analyzed in real time through the controller to generate a control instruction. The difference value between the environment temperature and the whitening threshold value, the cooling water temperature in the well and the coral reef flow speed serve as input variables, the flow requirement of the water delivery pump is dynamically calculated through a preset rule base, and self-adaptive adjustment is achieved. Through cooperative feedback of the double temperature sensors, it is ensured that the water delivery temperature is strictly controlled within a coral tolerance threshold value, and heat stress whitening is avoided. Layered water taking is combined with a fuzzy control algorithm, energy consumption is reduced compared with a traditional deepwater extraction scheme, and negative effects of shading measures on zooxanthellae are avoided.

The invention provides a solid laser and a temperature control device for a crystal of the solid laser. The temperature control device comprises a first heat sink assembly, a thermoelectric refrigeration part, a second heat sink assembly and a clamping assembly, the first heat sink assembly and the second heat sink assembly are oppositely arranged at an interval; the thermoelectric refrigeration part is clamped between the first heat sink assembly and the second heat sink assembly, the cold end of the thermoelectric refrigeration part faces the first heat sink assembly, and the hot end of the thermoelectric refrigeration part faces the second heat sink assembly; the clamping assembly is arranged on the side, away from the first heat sink assembly, of the second heat sink assembly and used for clamping the solid laser crystal. The thermoelectric refrigeration part is arranged between the first heat sink assembly and the second heat sink assembly, so that the temperature of the laser crystal suitable for working at high temperature can be continuously and stably maintained within a relatively low temperature fluctuation range, the crystal generates heat during working, positive feedback is carried out on the heating sheet by temperature rise, the heat conduction efficiency is higher, the temperature control effect is better, and the service life of the laser crystal is prolonged. And heat is uniformly distributed on the crystal, so that a thermal lens effect is avoided.

The present invention relates to the technical field of geothermal systems, and specifically discloses a buried high-efficiency heat exchanger in a medium-deep geothermal well, comprising: an outer sleeve, an inner sleeve coaxially embedded in the outer sleeve, and a heat storage slow-flow unit located at the lower end of the inner sleeve; the heat storage slow-flow unit effectively separates a heat exchange flow channel and a return flow channel through a flow partition to prevent direct mixing of cold and hot fluids and avoid thermal short circuits; the spiral diverter and the slow-flow unit are used for dynamic adjustment to extend the fluid's underground residence time, enhance turbulence intensity, and improve heat exchange efficiency; the kinetic energy of the fluid is used to drive turbine blades and a rotating shaft to drive the diverter and reciprocating parts to move, and dynamic adjustment of the fluid path can be achieved without external energy; the slow-flow structure and the flexible capsule reduce the impact of the fluid on the formation and reduce reservoir disturbance; the closed-loop design avoids the extraction of groundwater and prevents pollution, and the inner sleeve insulation cavity blocks radial heat transfer and reduces heat loss in the return flow channel.

The invention relates to a liquid cooling industrial and commercial temperature and humidity control energy storage system and a control method, and the method comprises the steps: collecting electric signals transmitted by a battery control management module, a fire-fighting fan, a liquid cooling unit, an industrial dehumidifier and a visual system based on an energy comprehensive management module; and temperature and humidity control is carried out based on a preset temperature and humidity adjusting strategy according to the electric signal, and the liquid cooling unit is controlled to enter a refrigeration mode, a self-circulation mode and a heating mode by judging the temperature of the battery cell, so that temperature and humidity adjustment is realized. The humidity in the cabinet is controlled through the dew-point temperature, it is guaranteed that no condensate water is generated in the cabinet in the plum rain season, the fire-fighting strong exhaust fan is used for forcibly discharging humidity, the visual system is used for increasing the humidity control means, it is guaranteed that the dew-point temperature in the cabinet is lower than the water outlet temperature of the liquid cooling unit, and through the temperature and humidity joint control adjusting strategy scheme, the temperature and humidity in the cabinet are adjusted. The safety of the battery in the whole life service cycle is ensured to the maximum extent, and thermal runaway and short circuit phenomena are avoided.

The invention relates to the technical field of pressure relief valves, in particular to a safety pressure relief valve for a water heater, which comprises a non-return device, an isolation device, a pressure relief device and a main valve body, the pressure relief device is arranged at one end of the main valve body, and the other end of the main valve body (6) is connected with a pressure relief interface 7; a non-return device is arranged on the side, close to the pressure relief device, of the interior of the main valve body, an isolation device is arranged at the bottom, close to the non-return device, of the interior of the main valve body, the pressure relief device is used for conducting pressure relief when the pressure in the water heater is too large, and the non-return device is used for preventing water in the water heater from flowing back into the water inlet pipe. The isolating device, the non-return device and the pressure relief device are integrated in the same valve, and the number of valves in a traditional water heater pipeline is reduced, so that the pipeline does not need to be cut into multiple sections when the valve is installed, the installation steps are simplified, and the valve is easy to install.

The invention discloses a sealing performance testing device for a hot melt adhesive film, and relates to the technical field of hot melt adhesive film testing. Which comprises a box body and is characterized in that the bottom of the box body is fixedly connected with a base, the middle of the top of the base is provided with a detection cavity, the top of the box body is provided with a PLC, the middle of the inner bottom wall of the box body is provided with a first electric cylinder, the output end of the first electric cylinder is fixedly connected with a connecting cover, and the middle of the bottom of the connecting cover is fixedly provided with a connecting column; a fixing table is fixed to the bottom of the connecting cover through connecting columns, and an air inlet cover is arranged at the bottom of the fixing table. By arranging the rotating expansion assembly, the fixing table and the sliding groove, hot melt adhesive films of different shapes are laid at the top of the flattening plate at will, the hot melt adhesive films are rapidly rotated and unfolded through multiple stress points, the hot melt adhesive films can be rapidly unfolded, the situation that the detection effect is affected due to the fact that the hot melt adhesive films are wrinkled is avoided, and the detection efficiency is improved. And moreover, the hot melt adhesive film can be prevented from being damaged due to non-uniform tension in the process of unfolding the hot melt adhesive film.

The invention relates to the technical field of elevator traction machines, and discloses a controller and a traction machine driving assembly. The cooling assembly is arranged in the outer cover, and an inner cavity of the outer cover is divided into a first cavity body and a second cavity body by the cooling assembly; the control assembly is arranged in the first cavity, and the control assembly exchanges heat with the cooling assembly; and the braking resistor is arranged in the second cavity, and the braking resistor exchanges heat with the cooling assembly. Due to introduction of the cooling assembly and reasonable cavity division design, the cooling assembly can take away heat generated by the brake resistor in time, heat accumulation in the brake resistor is avoided, and the problem that heat dissipation is insufficient does not need to be compensated by depending on large parameters. Therefore, the brake resistor with smaller parameters and lower cost can be selected without influencing the overall performance, and the performance specification requirement of the brake resistor is reduced, so that the size of the brake resistor is reduced, and the overall size of the elevator system control cabinet is reduced.

The invention relates to the technical field of hot riveting, and discloses split type hot riveting head modular hot riveting equipment which comprises an upper tool, a lower tool, a heating body arranged at the bottom of the upper tool, a plurality of hot riveting heads arranged at the bottom of the heating body in a linear array mode and a product arranged at the top of the lower tool. The two sets of detachable heating rods are arranged on the two sides of the heating body respectively, the three sets of thermocouples are arranged at the bottom of one side of the heating body, and the heat conduction unit is arranged on the hot riveting head. The heat conduction assembly, the reset assembly and the overturning assembly form a closed-loop action, a heat conduction plate preheats a metal sheet through a heat conduction ring, and infirm connection and deformation caused by temperature difference are avoided. Due to small deflection and overturning separation during hot riveting, heat interference and flash adhesion are avoided; after hot riveting, the material is reset and pushed to be stripped, pull wires are prevented from being pulled up, and a hot riveting head can be surrounded for heat preservation. The whole process does not need extra driving, product quality is guaranteed, takt time is shortened, and automation efficiency is improved.

The invention discloses a feeding system for gear heat treatment, and relates to the technical field of gear heat treatment, in particular to a gear feeding system capable of improving the gear heat treatment efficiency and avoiding gear deformation. The gear feeding system comprises a containing assembly, a first feeding assembly and a second feeding assembly; the second feeding assembly comprises a plurality of clamping assemblies, a dispersing mechanism and a feeding assembly, and the conveying mechanism is used for conveying scattered gears and sending the scattered gears into the flow dividing mechanism; the gear heat treatment device has the beneficial effects that the second feeding assembly is arranged, gears which are shunted and sequenced in the shunting mechanism can be taken up and put into the containing assembly at intervals, and the situation that heat treatment is not uniform due to the fact that the distance between the gears is too short in the heat treatment process is avoided.

The invention provides equipment for leaching tin from tin-containing waste residues and a method for enriching and recovering tin through the equipment, and relates to the technical field of metal recycling. The equipment comprises a base, an end cover, a mounting base, a driving motor, a leaching mechanism, a feeding pipe and a discharging pipe; a heating base is installed on the top of the base, a tank body is installed in the heating base, and the end cover is installed at the top end of the tank body in a sealed mode through bolts. According to the device, water and solids in the tank body are stirred up and down when rotating eddy current is switched to ascend and descend, mixed acid and tin-containing waste residues can be conveniently stirred and mixed in a layered mode, and due to the fact that the mixed acid is added into the tank body through the acid adding pipe at the fixed position, the mixed acid can be more rapidly dissolved with the tin-containing waste residues after being added, and the stirring efficiency is improved. And if rotation is conducted in the direction of one degree of freedom for a long time, heat can be concentrated in the corresponding vortex layers, heat in the tank body can be evenly layered through lifting type auxiliary movement, heat concentration can be avoided, and high efficiency and safety in the leaching process are guaranteed.

The invention relates to the technical field of gas stoves, and particularly discloses an anti-dry-burning control method and an anti-dry-burning system of a gas stove and the gas stove. According to the anti-dry-burning control method of the gas stove, the anti-dry-burning system and the gas stove, the reference temperature Ti is obtained according to the measurement temperature T pot of the first position area and the measurement temperature T radiation of heat radiation and heat convection of the second position area, and whether dry burning exists in the pot or not is judged according to Ti; the influence of the temperature of heat radiation and heat convection on the measured temperature of the detected first position area is considered, judgment of the heat radiation and the heat convection on the anti-dry-burning temperature is avoided, the accuracy of anti-dry-burning judgment of the gas stove is improved, the probability of safety accidents is reduced, and the safety of the gas stove is improved. And the anti-dry burning system of the gas stove has universality in different burning system structures.

The invention provides a cold-electricity linkage liquid cooling system control method, control equipment and a liquid cooling system, and belongs to the technical field of liquid cooling heat dissipation. The cold-electricity linkage liquid cooling system control method comprises the following steps: acquiring the power supply power of a heat source; according to the power supply power, determining heat generated by the heat source within a set duration; determining a temperature compensation value of the liquid cooling system based on the heat; and compensating the initial set temperature of the liquid cooling system according to the temperature compensation value to obtain a final set temperature, and controlling the liquid cooling system according to the final set temperature. The set temperature of the liquid cooling system can be compensated based on the power consumption change of the heat source, so that the liquid cooling system can timely respond to the heat dissipation requirement caused by the rapid power consumption change of the heat source, and the performance is prevented from being influenced by the too high temperature of the heat source.

The invention belongs to the technical field of electric power, and discloses an isolating switch which comprises a base, a second insulating column fixedly mounted at the top of the base, a static contact pad fixedly mounted at the top of the second insulating column, and a disconnecting link assembly hinged to the static contact pad, and the butt joint assembly is fixedly arranged at the top of the base. According to the invention, the disconnecting link main body is driven by an electric motor or a hand wheel to rotate by taking the hinged part of the disconnecting link main body and the static contact pad as a center shaft, so that the butt joint piece falls into the top of the moving contact pad, the butt joint piece pushes the two sliding frames, the conductive piece and the butt joint toothed plate to move relatively, and the butt joint toothed plate is engaged with racks on two sides of the butt joint piece; the contact area of the butt-joint piece and the butt-joint toothed plate is increased through meshing of the multiple racks, the phenomenon of deformation caused by thermal expansion and cold contraction is avoided, meanwhile, the butt-joint piece and the butt-joint toothed plate are in surface contact all the time, the effective conductive section is guaranteed, local overheating and arc discharge are avoided, and the reliability of circuit on-off is guaranteed.

The invention discloses a heat storage device in a heat storage type compressed air energy storage system and an energy storage and release method. A working mode that a cold tank and a hot tank are shared is adopted, and energy savers are arranged between spherical tanks, so that fatigue damage generated by gas at the tops of the cold tank and the hot tank can be reduced, and energy loss generated by cold and hot mixing can be reduced; specifically, in the energy storage process of the heat storage device, low-temperature water enters another spherical tank after passing through an inverted tank pump and a compressor side heat exchange system in the energy storage and release heat exchange system, the low-temperature water absorbs heat on the compressor side and then is guided into the spherical tank, and steam in the spherical tank flows to an energy saver from a corresponding gas phase pipe; the water in the bypass pipe flows back into the spherical tank after heat exchange and condensation with bypass water flowing through the energy saver, fatigue damage caused by the fact that high-temperature gas in the spherical tank flows into other cold-state spherical tanks is avoided, meanwhile, the water in the bypass pipe flows back into the spherical tank after absorbing heat of the steam through the energy saver, and meanwhile the heat in the steam can be absorbed through the energy saver. And heat loss is avoided.

The utility model relates to a high-temperature-resistant PCB circuit board comprising a heat dissipation core layer, an insulating layer and a surface metal layer which are sequentially stacked from inside to outside. The surface metal layer comprises a surface metal layer and an insulating layer, the edge of the insulating layer is provided with a board edge copper layer, the surface metal layer comprises a circuit layer and a heat dissipation copper layer, at least part of the heat dissipation copper layer extends to the edge of the insulating layer, and the board edge copper layer is respectively connected with the heat dissipation core layer and the heat dissipation copper layer. The high-temperature-resistant PCB circuit board can prevent heat from being accumulated on the circuit layer of the high-temperature-resistant PCB circuit board, so that the influence on the work of other electronic components is avoided.

The invention provides a thermal runaway prevention and control device, a battery pack and electric equipment.The thermal runaway prevention and control device is suitable for being installed in a shell of the battery pack and comprises a shell and a gas generation assembly, and the shell is provided with a containing cavity and a first communicating hole communicating with the containing cavity; the gas generation assembly is arranged in the accommodating chamber and is suitable for being triggered to form inert gas when the battery pack is under a preset condition; wherein the inert gas enters the shell of the battery pack through the first communication hole to dilute and / or flame-retardant the thermal runaway product in the shell. The risk of detonation of the thermal runaway product can be reduced or even avoided, and the safety performance of the battery pack is improved.

The invention discloses a heat dissipation substrate and a preparation method and application thereof, and belongs to the technical field of heat dissipation plates. The heat dissipation substrate comprises a first copper layer, a first brazing layer, a first TiC layer, a diamond sheet layer, a second TiC layer, a second brazing layer and a second copper layer which are sequentially arranged in a stacked mode. And a groove for placing a chip is formed in the surface of one side, far away from the diamond sheet layer, of the first copper layer. The heat dissipation substrate is good in heat conductivity, high in heat dissipation efficiency, small in thermal stress between the layers and good in binding force. The preparation method is simple in process, controllable in cost and suitable for industrial production. The vehicle-mounted SiC chip packaging heat dissipation plate comprising the heat dissipation substrate can efficiently dissipate heat under the working conditions of high heat flux, high temperature, high pressure and high frequency, and can effectively prevent the chip from beforehand failure caused by thermal stress and thermal fatigue, thereby ensuring higher reliability and longer service life; and the requirements of high-power and high-current-density new energy automobiles can be met.

The invention relates to the technical field of photovoltaic cables, and particularly discloses a cable for a photovoltaic system, which comprises conductors, the conductors are mutually twisted, a surrounding mechanism is arranged outside the conductors, a supporting heat conduction assembly for heat diffusion is arranged outside the conductors, and the supporting heat conduction assembly is embedded in the surrounding mechanism. An inner auxiliary mechanism is arranged on the periphery of the surrounding mechanism. Through mutual cooperation of the supporting heat conduction assembly, the inner auxiliary mechanism and the outer auxiliary mechanism, heat can still be diffused when the exterior of the cable is damaged, so that the risk can be reduced, the safety can be improved, heat can be gradually diffused layer by layer during heat diffusion, heat is prevented from being accumulated around the wear-resistant layer, the heat dissipation area is enlarged, the heat dissipation efficiency is improved, and the service life of the cable is prolonged. And when the cable is not damaged and needs to be bent, more space can be reserved through compression, so that the bending radian and deformation required by the conductor are reduced, the metal fatigue is reduced, and the service lives of the conductor and the cable are prolonged.

The present invention belongs to the technical field of steel structure manufacturing, and in particular, relates to a welding and reverse heating method for adjusting the wave deformation of the side plate of a steel silo. The method comprises the following steps: (1) Cutting: Cut a number of ribs and angle steels in sequence according to the size requirements and number them for standby; (2) Set up an assembly platform for standby; (3) Assembling: Lay the side plate on the platform, and the longitudinal weld of the upper steel plate of the side plate and the longitudinal weld of the lower steel plate should be staggered by more than 200 mm. Draw lines and mark numbers on the front of the side plate, and spot weld the ribs and angle steels at the corresponding positions of the side plate according to the numbers to complete the assembly; (4) Welding: Use segmented welding to fully weld the welds between the ribs, angle steels, and side plates. The present invention disperses the heat generated during welding through segmented welding to avoid deformation and warping of the side plate caused by heat concentration, and uses crescent heating to utilize the contraction of the heated area to cause local small deformation, flatten the convex surface, and finally achieve the purpose of overall qualification.

The utility model discloses a protective device for thermal paper processing, comprising a base, a conveying assembly, a cutting assembly, a roll changing assembly, a winding assembly and a material discharging assembly, wherein a conveying assembly is arranged above the base, the cutting assembly is arranged above the base, the roll changing assembly is arranged above the base, the winding assembly is arranged at one side of the roll changing assembly of the base, and the material discharging assembly is arranged above the base, wherein a gear is arranged, the gear is meshed and connected with a rack, a fourth motor drives the gear to rotate, and a slide plate is made to slide while a support plate on the slide plate drags the wound coil, thereby reducing the contact between the thermal paper and the staff and avoiding chemical reaction of the thermal paper, and a spring is arranged above the slide plate, the spring can make the support plate fit the coil more closely, and the support plate will not deviate when driving the coil to be discharged, and the device solves the problems of lack of protection for the current thermal paper discharging and easy injury to the staff when changing the roll.

An idle sweep routine for a hard disk drive involves a series of servo-controlled one-Nth (1 / N) equivalent sub-band random seeks in one radial direction, followed by another series of servo-controlled one-Nth equivalent sub-band random seeks in the other radial direction, where a complete band refers to the complete set of user-data tracks and a one-Nth sub-band refers to a contiguous 1 / N portion of the complete band. For example, a first series of ⅕ sub-band random seeks may be in the disk outer diameter (OD) to inner diameter (ID) direction, followed by a second set of ⅕ sub-band random seeks in the ID to OD direction. Based on disk scratch and Si smear robustness, ⅕ sub-band random seeks are found effective in moving the sider over a significant number of tracks during each seek to likely inhibit disk lubrication degradation and avoid thermal asperities during such an idle sweep routine.

The utility model discloses a distillation tower for furfural production, which comprises a heat exchange condensation mechanism arranged at the upper end in a tower body, a purification mechanism arranged at the upper end outside the tower body, a temperature sensor and a pressure sensor distributed in the tower body, a pneumatic pump arranged on one side of the tower body, a main control computer arranged below the side surface of the tower body, and an extension cylinder arranged at the bottom end in the tower body, laminate mechanisms are distributed between the side face of the extending cylinder and the inner side wall of the tower body, a rotating shaft frame is arranged in the extending cylinder, a driving motor is arranged on the bottom face of the tower body, annular grooves are formed in the laminate mechanisms, and stirring rods are arranged on the side face of the upper end of the rotating shaft frame and correspond to the annular grooves. According to the utility model, the electric heating pipes are arranged on the plurality of layers of division laminates, so that the heating temperature of each layer can be controlled at different temperatures, and furfural liquid entering the tower body can be uniformly and fully heated by arranging the stirring rods in a matched manner; and meanwhile, multiple sets of inclined plates of the heat exchange condensation mechanism are matched with a heat exchange coil pipe, so that steam heat energy can be fully recycled, and heat energy loss is avoided.

The invention relates to the field of battery packaging, and particularly provides a packaging structure and method of a perovskite solar battery. A scribing groove is formed in a top electrode of a perovskite solar cell to be packaged, a transparent substrate is arranged at the bottom of the perovskite solar cell, the packaging structure sequentially comprises a first packaging layer, a second packaging layer and a third packaging layer from bottom to top, and a second packaging layer and a third packaging layer are arranged on the side periphery of the perovskite solar cell. The lower end of the second packaging layer and the lower end of the third packaging layer make contact with the transparent substrate, the first packaging layer is arranged in the scribing groove, the second packaging layer is arranged on the surface of the top electrode, the third packaging layer is arranged on the surface of the second packaging layer, and the elastic modulus of the first packaging layer is larger than that of the second packaging layer. According to the packaging structure, thermal stress can be absorbed and dispersed, thermal stress concentration is avoided, splitting is not likely to occur, and the packaging effect is good.

The utility model relates to the technical field of packaging boxes, and discloses a heat preservation plastic packaging box which comprises a box body, the box body comprises a first heat insulation plate, an inert gas plate and a shock absorption layer, a top cover is arranged above the box body and comprises an elastic rubber sleeve, a sealing rubber buckle and a second heat insulation plate, a handle groove is formed in the upper end face of the top cover, and a handle is arranged in the handle groove. A lifting handle groove is formed in the top cover, a lifting handle body is installed in the lifting handle groove, a classification partition plate is fixedly arranged in the box body, and a first heat insulation plate is arranged in the inner wall of the box body. Sealing rubber buckles are arranged, finally, the four sealing rubber buckles on the top cover are correspondingly connected with clamping grooves in the box body, and the sealing rubber buckles are matched with elastic rubber sleeves, so that the box body is convenient to use; the sealing effect is greatly improved, the number of the sealing rubber buckles is four, the sealing performance is further improved, the second heat insulation plate can effectively prevent heat from entering or flowing out of connecting gaps, the heat preservation performance is further improved, meanwhile, the box body is sealed more firmly, and the stability of the box body is improved.

The utility model relates to the technical field of pipelines, and discloses a PERT (polyethylene of raised temperature resistance) floor heating pipe with thermo-oxidative aging resistance, high utilization rate of heat is realized by arranging heat dissipation grooves, heat insulation tiles, separation cavities and the like, when the heat enters the pipeline, the heat is dissipated outwards through the heat dissipation grooves, and the heat insulation tiles are mounted on the symmetrical sides of the heat dissipation grooves, so that the heat dissipation efficiency is improved. The heat insulation tile reduces heat dissipation outwards, the formed heat is dissipated out through the heat dissipation groove side and retained through the heat insulation tile side, heat waste is avoided, and the effects of heat fixing and rapid heat dissipation are achieved. Position fixing of the floor heating pipe is achieved through the structures such as the annular groove, the clamping ring and the fixing base, and the fixing base is fixed to one side underground; a pipeline is clamped into the clamping ring through the opening of the clamping ring, after the pipeline is fixed, a finger is pressed into the circular groove, the auxiliary part at the end of the clamping ring and the clamping ring are broken, the auxiliary part of the clamping ring is prevented from protruding when the floor heating pipe is buried in the later period, and the effect of fixing the floor heating pipe is achieved.

Aspects of the present disclosure are directed to a memory sub-system with isothermal cooling of components. A PCB assembly may be secured between a heat spreader and a heat sink that are thermally coupled. The heat sink radiates heat absorbed from both sides of the PCB assembly. By connecting the heat spreader to the heat sink, heat is more effectively transferred from the side of the PCB assembly not directly connected to the heat sink. The PCB assembly may be secured between a top enclosure and a bottom enclosure. The top enclosure and the bottom enclosure may be thermally coupled using a vapor chamber. The vapor chamber pumps heat from a higher-temperature side of the PCB assembly to a lower-temperature side of the PCB assembly. By using the vapor chamber to thermally couple the top and bottom enclosures, creation of hot spots is avoided.

The utility model relates to the technical field of food processing, in particular to an energy-saving oven for food production, which comprises an oven body and a hot air circulation device, an oven door is hinged to the front side surface of the oven body, a through groove is formed in one side, away from the hot air circulation device, of the oven body, and a baking tray structure is embedded in the through groove in a sliding manner. The through groove sequentially comprises a sealing groove A, a sliding groove and a sealing groove B from left to right, and the baking tray structure sequentially comprises a sealing plate A from left to right. According to the technical scheme, when dried food is taken out by drawing out the baking tray structure, the sealing plate A is tightly matched with the sealing groove A, so that loss of heat in the oven is reduced as much as possible when the dried food is taken out, and the effect of saving electric energy is achieved; and overhigh environment temperature caused by diffusion of hot air into the environment is avoided, so that the probability of heatstroke of workers is reduced.

The utility model discloses a heating device for heating and ventilation engineering, and relates to the technical field of heating equipment. A plurality of heat flow boxes are arranged on the inner side of the outer protection frame and are in a wave shape, a plurality of first flow guide strips and a plurality of second flow guide strips are arranged on the inner sides of the heat flow boxes, a protection water tank is arranged on the rear side of the outer protection frame, and an auxiliary heating mechanism is arranged below the outer protection frame. Heat flow flows in an S-shaped mode on the first flow guide strips and the second flow guide strips, meanwhile, the heat flow box is in a wave shape, the contact area of the heat flow in the heat flow box is greatly increased, and the heating efficiency is improved. By arranging the protective water tank, the influence of high temperature of the heat flow box on the wall is effectively avoided, meanwhile, heat exchange is conducted between the height outside the heat flow box and water in the protective water tank, then the water in the protective water tank is heated, the temperature rises, follow-up household water using is facilitated, and the energy-saving purpose is achieved; the heat extraction fan in the auxiliary heating mechanism is used for accelerating heat exporting between the heat flow boxes, and the heating efficiency is improved.