46results about How to "Increase heat conduction area" patented technology

The utility model relates to the technical field of sensors, and discloses a temperature sensor, which comprises a base and a mounting end at the front end of the base, a cavity is formed in the mounting end, a probe is fixedly arranged at the lower end of the cavity through a hollow support, the upper end of the probe extends into the cavity, and the lower end of the probe extends out of the hollow support. On the premise that the length of the sensor is not increased, a medium space is formed outside the probe, so that the probe is in full contact with a measured medium, the effective heat transfer of the measured medium is increased, and the probe can fully and quickly respond to the temperature change of the medium.

The utility model relates to the technical field of curling iron, in particular to a curling iron head structure which comprises a front cover, a heat conduction piece, a rear cover, a heating piece and comb teeth, the heat conduction piece is exposed and fixed between the front cover and the rear cover, a containing cavity is formed among the front cover, the heat conduction piece and the rear cover, an inner support is arranged in the containing cavity, and the heating piece is arranged between the inner support and the heat conduction piece. The comb teeth are connected with the inner support in a clamping mode after penetrating through the heat conduction piece. According to the arrangement, the heat conduction piece is integrally exposed and fixed between the front cover and the rear cover, then the inner support and the heating piece are arranged in the containing cavity, the heating piece is located between the inner support and the heat conduction piece, finally the comb teeth penetrate through the heat conduction piece to be connected with the inner support in a clamping mode, the heat conduction piece is exposed, the heat conduction area is larger, and the heat conduction efficiency is higher; the hair planting mode of the comb teeth is changed from an inner hair planting mode to an outer hair planting mode, the comb teeth are assembled from the outside of the heat conduction piece to be fixed to the inner support, the inner space of the head of the curling iron is increased, and therefore more space is provided for containing heating pieces, and the heating area is increased.

The invention discloses an electric local anesthetic injection device and relates to the technical field of medical instruments, a fixed sliding rail is mounted at the top of a rotating flat head, fixed sliding blocks are slidably mounted at two ends in the fixed sliding rail, a bidirectional screw is rotatably mounted in the fixed sliding rail, a clamping plate is connected to the top of each fixed sliding block, and a handle is clamped in the middle of the clamping plate; a limiting sliding groove is formed in one end of the top of the handle, a fixing frame is installed at the other end of the top of the handle, a heat preservation electric heating plate is installed at the bottom of the fixing frame, and an injector is placed at the top of the fixing frame. The labor intensity of anesthetists is greatly reduced, when intramuscular injection is carried out on a patient, a needle head can be rapidly positioned, injection is convenient and fast, electric quantitative injection can also be carried out, two operation modes are adopted, and the anesthetic syringe is suitable for being used under different conditions, more comprehensive and reasonable in operation and suitable for being used and popularized.

The invention discloses a sea water desalination device capable of comprehensively utilizing ocean energy, and relates to the technical field of sea water desalination. The bottom of a connecting frame is connected with a condensation cover, the bottom of the condensation cover is connected with a U-shaped groove, the output end of an adjusting motor is connected to one end of the bottom of a supporting plate, and one end of the top of the supporting plate is connected with a reflection focus lens through a universal joint; by controlling the adjusting motor and the adjusting electric push rod to be matched with the universal joint and the rotating seat, multi-angle adjustment of the reflecting focus lens is achieved, the adjusting motor and the adjusting electric push rod are matched with the universal joint and the rotating seat, and the adjusting motor and the adjusting electric push rod are matched with the universal joint and the rotating seat to adjust the reflecting focus lens. The stirring motor drives the stirring rod and the scraping rod to stir seawater in the evaporation boiler, so that separated crystal salt is prevented from covering the water surface and hindering evaporation of water, the operation stability of the device is ensured, and the fresh water preparation speed is increased.

The application provides a heating and heat preservation device and a mobile modified rubber asphalt production equipment, and relates to the technical field of asphalt production and heat preservation. The heating and heat preservation device comprises a storage tank and a turnover heat conduction mechanism. A pipe rod is arranged through the axis of the storage tank and rotates, a rotating drive assembly is installed on the driving end shaft of the end of the storage tank and rotates. An oil inlet assembly is rotatably and communicatively arranged with a front pipe cylinder, an oil return assembly is rotatably and communicatively arranged with a rear pipe cylinder, a front coil pipe is symmetrically arranged on both sides of a front shaft, and a rear coil pipe is symmetrically arranged on both sides of a rear shaft. The front coil pipe and the rear coil pipe are arranged in the middle of the storage tank, the rotated front coil pipe and the rear coil pipe further increase the heat conduction area, the front coil pipe and the rear coil pipe can stir the asphalt oil in the storage tank, the heated asphalt oil in the storage tank is more uniform, the uniformity of the rubber powder and the asphalt oil in the storage tank is improved, and the deposition of the rubber powder is reduced.

The invention relates to the technical field of armored heating cables, and provides a high-stability armored heating cable which comprises a heating wire and an insulating sleeve which is arranged outside the heating wire and forms an insulating wire core. When the positioning sleeve absorbs heat, heat energy can be guided into the heat storage cavity through the heat conduction rod, so that the expansion material is promoted to expand, the plug plate is pushed to enable cooling liquid to flow to the water flow groove for cooling, and the armored heating cable is prevented from losing efficacy at the extreme temperature; through the spiral water flow grooves, the contact area of cooling liquid and the positioning sleeve can be increased, turbulent flow is increased, the flowing uniformity is improved, and the heat exchange efficiency is improved; the temperature is reduced through the heat absorption dissolution reaction, the spare inner balloon is further arranged in the fractured micro balloon, and the cooling effect continues to be provided or the same time double cooling effect is achieved when the temperature rises next time; the insulating wire cores can be stabilized, the overall structural stability of the cable is improved, meanwhile, the excellent heat conduction performance is provided, and the stability and safety of the electrical performance are ensured.

The utility model discloses a cosmetic plastic bottle blow molding full-automatic assembly line which comprises a cosmetic plastic bottle blow molding full-automatic assembly line base, and an automatic heating assembly, an automatic blow molding device and an automatic cooling assembly are arranged at the top end of the cosmetic plastic bottle blow molding full-automatic assembly line base. The distance between the mounting frame and the bottom adaptive cavity can be quickly adjusted according to the height parameter of the cosmetic plastic bottle needing to be processed, so that the height parameter of the positioning cavity is adjusted to be matched with the height parameter of the cosmetic plastic bottle needing to be processed, and when particle materials are clamped and conveyed, the height parameter of the positioning cavity is adjusted to be matched with the height parameter of the cosmetic plastic bottle needing to be processed. By extruding the wrapping balloons on the two sides, the wrapping balloons deform and wrap the outer wall of the top end of the granular material, potential energy is released in a self-adaptive mode through reset springs, then the clamping effect is improved, meanwhile, silica gel protruding blocks arranged in the wrapping balloons are extruded, and the clamping effect is further improved.

The utility model provides a kind of laser range finder suitable for near-earth orbit environment, it is related to laser ranging technical field.It includes transmitting and receiving component, circuit bin, circuit component, the rear side of transmitting and receiving component is plane and with external fixed equipment detachably connected, circuit bin is connected with transmitting and receiving component, circuit component is connected in the inside of circuit bin and with transmitting and receiving component electricity is connected, the inside of circuit bin can form enclosed space.Circuit bin inside formed enclosed space, can limit the propagation of radiation, high-energy particles need to pass through the cover of circuit bin to reach sensitive device, effectively reduce the influence of high-energy particles on circuit.The plane of the rear side of transmitting and receiving component can form sufficient contact with external fixed equipment, increase the heat transfer area, the heat inside laser range finder can be transferred to outside in time, so that structure layout is more reasonable, increase overall heat dissipation efficiency, effectively solve the heat dissipation problem under vacuum environment.

The utility model relates to dimethyl silicone oil production and processing technical field especially relates to a dimethyl silicone oil mixed type reation kettle with heat exchange function. Including reation kettle body and first sealing plate, the first sealing plate top is fixedly arranged with push rod motor, the output of push rod motor is through first sealing plate, and the output bottom fixedly connected with electric heating bin, and electric heating bin bottom is fixedly arranged with second sealing plate, the electric heating bin is built -in and is through second sealing plate's thermocouple, and thermocouple bottom side fixedly connected multiple heat conduction bin body, the heat conduction bin body is built -in and has heating fluid. The utility model solves the technical problem that is: in dimethyl silicone oil production procedure, heat exchange efficiency is limited, and product quality is influenced.

The application relates to a heat dissipation device with a heat recovery function and an electronic device, wherein the heat dissipation device with the heat recovery function comprises a heat conduction box body with a first heat conduction box wall and a second heat conduction box wall; a thermoelectric conversion structure comprises a first thermoelectric conversion assembly arranged in the heat conduction box body, the first thermoelectric conversion assembly comprises at least one first thermoelectric conversion sheet, each first thermoelectric conversion sheet has a first cold surface and a first hot surface arranged oppositely, the first hot surface is attached to the inner surface of the first heat conduction box wall, and the first cold surface is adapted to indirectly contact the inner surface of the second heat conduction box wall; a heat dissipation assembly comprises a first heat dissipation fin, a substrate and a first heat conduction pipe group, the substrate is arranged between a heat source of the electronic device and the first heat conduction box wall, and two oppositely arranged surfaces are directly in contact with the heat source and the first heat conduction box wall respectively; the heat conduction box body is arranged between the first heat dissipation fin and the substrate, and the substrate is connected with the first heat dissipation fin through the first heat conduction pipe group; and the thermoelectric conversion effect and the heat dissipation efficiency are both high.

The utility model discloses a novel cooler, which is characterized by comprising a back plate and at least one cooling water pipe, the cooling water pipe is formed by bending a pipe body, two ends of the cooling water pipe are respectively provided with a first water inlet and a first water outlet, and each cooling water pipe is connected with the back plate; a plurality of anchoring parts are arranged on the outer wall of the cooling water pipe, and the inner end of each anchoring part is connected with the outer wall of the cooling water pipe. The novel cooler is good in cooling effect and low in manufacturing cost.

The application provides a trench power device with a back source structure and a preparation method thereof. The preparation method comprises the following steps: forming a P-type body region and an N-type drift region on a surface layer of an N-type substrate; forming a trench, wherein the trench extends from the P-type body region to the N-type substrate; forming a gate dielectric layer on a surface of the trench, and filling a gate layer in the trench; forming an isolation layer, and forming a drain through hole in the isolation layer; performing N-type ion implantation on the drain through hole to form an N-type drain region in the N-type drift region; forming a drain electrode; etching a back surface of the N-type substrate to form a source through hole, wherein the source through hole exposes the P-type body region; and depositing a source electrode on the back surface of the N-type substrate and in the source through hole, wherein the source electrode is connected with the N-type substrate and the P-type body region. The drain electrode and the gate electrode are integrated on the front surface of the device, the trench gate structure is adopted to improve the unit density and the channel control ability, and the source electrode is connected with the P-type body region through the back surface deep groove contact, so that the source contact resistance is effectively reduced, and the heat dissipation capacity is improved.

The invention discloses a KR stirring head with a locking function at the end, and relates to the technical field of KR stirring heads. The KR stirring head with the locking function at the end comprises a stirring connector, the stirring connector comprises a flange plate, a locking sleeve is fixedly connected to the bottom of the flange plate, a stirring core rod is inserted into the locking sleeve, the surface of the stirring core rod is sleeved with a refractory layer, a heat dissipation sleeve is fixedly connected to the top of the refractory layer, and the heat dissipation sleeve is fixedly connected to the bottom of the flange plate. The heat dissipation sleeve comprises a sleeve seat and a heat dissipation mesh enclosure, the bottom of the sleeve seat is fixedly connected with the top of the fireproof layer, and the bottom of the heat dissipation mesh enclosure is fixedly connected with the top of the sleeve seat. According to the KR stirring head with the locking function at the end, by arranging the friction sleeve, the blade frame gas guide pipe and the deformation layer between the fireproof layer and the core rod, the friction force is improved by utilizing the heating expansion of the friction sleeve, the probability of loosening and falling is reduced, the adverse effect of the thermal shock phenomenon is reduced, and the reliability of the stirring head is improved.

The embodiment of the utility model provides a laser emission module and a laser radar, and relates to the technical field of laser radars. The laser emission module comprises a circuit board, a laser device and a bottom filling layer, the laser device is electrically connected with the circuit board, the bottom filling layer is arranged between the circuit board and the laser device and makes contact with the circuit board and the laser device at the same time, the heat conduction area between the circuit board and the laser device is increased through the bottom filling layer, and the heat dissipation effect of the laser emission module is improved; and good performance of the laser is ensured.

The present invention discloses a high thermal conductivity fixed phase change material and a preparation method thereof, wherein the high thermal conductivity fixed phase change material comprises a phase change substrate and a coating material coating the phase change substrate, the weight ratio of the phase change substrate to the coating material is (1:0.1)-(1:1); the phase change substrate comprises the following components by mass: a resin matrix, 100-150 parts; a thermal conductive filler, 450-600 parts; a coupling agent, 5-12 parts; the coating material has a three-dimensional interpenetrating network structure, and the coating material comprises the following components by mass fraction: bacterial cellulose, 100-150 parts; expanded graphite, 10-50 parts. The technical solution of the present invention uses a coating material made of bacterial cellulose and expanded graphite to coat the phase change substrate, which not only avoids the leakage of the phase change substrate when it is in liquid state, but also improves the thermal conductivity of the phase change substrate.

The application relates to a fuse integrated structure, a power battery and a power-using equipment, and relates to the technical field of power batteries. The fuse integrated structure comprises a junction box and a fuse body. The junction box is internally provided with a containing cavity. The fuse body is fixedly arranged in the containing cavity. A heat dissipation window is arranged on the side wall of the junction box, a heat dissipation plate is arranged on the outer wall of the junction box to block the heat dissipation window, and the side wall of the fuse body directly or indirectly abuts against the heat dissipation plate. The fuse integrated structure can improve the heat dissipation effect of the fuse while being integrated, and can ensure normal work of the fuse and reduce the risk of thermal runaway in the power battery.

The utility model discloses a jet atomization type heater, which belongs to the technical field of heaters, and comprises a shell mechanism and a heat conduction mechanism, the shell mechanism is in threaded connection with an air outlet mechanism, the heat conduction mechanism is further fixed in the shell mechanism, a jet mechanism is further fixed on the shell mechanism, and the jet atomization type heater is arranged in the shell mechanism. And an ignition mechanism is also fixed on the shell mechanism. Through the arrangement of the shell mechanism, the gas outlet mechanism and the heat conduction mechanism, the residence time of hot gas in the device is effectively prolonged, and the heat conduction area of the device is increased, so that heat conduction is more sufficient, the temperature of waste gas is reduced, and heat waste is reduced; the air inlet of the combustion chamber is more powerful and stable, so that sufficient oxygen in the combustion chamber is guaranteed, fuel waste caused by insufficient combustion is reduced, the combustion stability is guaranteed, and the safety of the device is improved.

The application discloses a robot leg heat dissipation structure and a robot, which are used for improving the heat dissipation efficiency of joints, so that the joints are evenly cooled and stably operated. The method comprises the following steps: a leg shell, a power module fixing seat and at least one power module; the leg shell forms a containing cavity, the leg shell comprises a first joint connecting end and a second joint connecting end, the power module fixing seat is arranged in the containing cavity and is fixedly connected with the leg shell; the distance between the power module fixing seat and the first joint connecting end is smaller than the distance between the power module fixing seat and the second joint connecting end; at least one mounting cavity is arranged on the power module fixing seat, the power module is fixed in the mounting cavity, and a part of a shell of the power module protrudes from the mounting cavity; a heat conduction member is further arranged between the power module and the leg shell, and the heat conduction member is integrally formed with the leg shell or is detachably connected with the leg shell.

The utility model discloses a modified asphalt constant-temperature storage anti-caking device, and belongs to the technical field of asphalt storage. The modified pitch constant-temperature storage anti-caking device comprises a closed storage tank, a central shaft, a spiral blade, a heat conduction plate, an annular heating cavity and a heat preservation shell. The central shaft is connected with the storage tank through a bearing; helical blades are arranged on the outer side of the central shaft; the heat-conducting plate is fixed on the inner wall of the storage tank; the surface corrugated groove design improves the heat conduction efficiency; an electric heating wire is arranged in the annular heating cavity and is connected with a heat-conducting oil circulating system, so that the heating uniformity is ensured; the heat preservation shell is provided with adjustable heat dissipation holes, and dynamic balance of the temperature is achieved. The modified asphalt constant-temperature storage device can effectively prevent the caking problem caused by uneven heating or local cooling of asphalt, has the characteristics of compact structure, high heat conduction efficiency and high practicability, and is suitable for constant-temperature storage of modified asphalt.

The utility model discloses an unequal tooth pitch end mill for aluminum alloy product processing relates to milling technical field. This unequal tooth pitch end mill for aluminum alloy product processing, including handle and the unequal tooth pitch end mill head of handle outer wall setting, handle inboard is provided with heat abstractor, and handle outer wall is provided with milling mechanism. Heat abstractor includes cooling part and heat conduction part. Cooling part includes cooling pipe, and the technical effect is that the heat conduction sheet in heat abstractor is close to unequal tooth pitch bottom milling edge, can capture the large amount of heat produced in the milling process, and quickly passes the heat to the cooling tank, and the cooling pipe can pass into the cooling liquid, through the circulation flow of cooling liquid, in time takes away the heat in the cooling tank, realizes the effective cooling of handle and end mill head, simultaneously, the heat conduction fin of heat conduction sheet is located in the heat conduction fin of cooling tank inboard outer wall setting, increases the heat conduction area, has improved the heat transfer efficiency, makes the heat can be fasterly radiated.

The utility model belongs to the technical field of secondary batteries, and particularly relates to a battery shell and a cylindrical battery, the cylindrical battery comprises a shell body, the shell body is provided with a first mounting cavity, the bottom of the first mounting cavity is provided with a frustum, and the frustum is arranged along the axial direction of the shell body; a cavity is formed in the axis of the battery cell; wherein the battery cell is arranged in the first mounting cavity, and the frustum is inserted into the cavity; a second mounting cavity is formed in the frustum, and the second mounting cavity communicates with the lower surface of the shell body; according to the battery shell and the cylindrical battery, the frustum is arranged and can be inserted into the cavity of the battery cell, so that the heat conduction area is increased and the heat dissipation effect is improved; and meanwhile, heat can be dissipated more quickly by arranging a phase-change material or a heat dissipation piece in the frustum, and selection is flexible.

The utility model relates to the technical field of static contacts, and discloses an assembly type static contact, which adopts a split assembly type structural arrangement, a contact support, a pair contact cylinder and an insulating cylinder sleeve are arranged as split independent structural components, and are positioned, assembled and installed through a notch structure, the structure is simple, the installation is convenient, and the assembly type static contact is convenient to assemble and disassemble. The contact cylinder is mounted at the end part of the contact support through embedding and positioning of the slotted hole and fastening and limiting of the fastening bolt, the disassembly and assembly operation is convenient, the contact cylinder can be conveniently, quickly and independently disassembled during maintenance and replacement, the replacement and maintenance convenience and the replacement economy of the device can be effectively improved, and the service life of the device is prolonged. The contact cylinder and the contact support are connected and installed through the annular semi-arc-shaped notch structure, the installation contact area between component structures can be effectively increased through the semi-arc-shaped notch, the structure installation resistance between the contact cylinder and the contact support can be effectively reduced, and the heat dissipation conduction area between the contact support and the insulating cylinder sleeve can be increased. And the working stability of the contact is improved.

The invention discloses a glass-ceramic baking tray and a production method thereof, and the production method comprises the following steps: dispersing porous glass powder in a polyvinyl alcohol solution, coating on a glass-ceramic green body, carrying out heat treatment, calcining, and polishing to obtain a porous glass-ceramic green body; uniformly spraying the suspension prepared from the modified silicon dioxide on the surface of the porous glass ceramic blank, drying, and repeating until the surface is smooth, so as to obtain the glass ceramic baking tray; the surface of the prepared glass ceramic baking tray contains the non-stick coating, the glass ceramic baking tray has good hydrophobic and oleophobic performance, the non-stick coating and the glass ceramic green body are combined through the glass ceramic of a porous structure, the bonding strength is high, the contact area is large, the heat conduction area is large, the heat conduction capacity is high, the non-stick coating is not prone to cracking, the service life is long, and cleaning is convenient.

The utility model discloses a flocked leather graining machine which comprises a fixing frame, a supporting shaft is rotatably installed at one end of the fixing frame, a guide roller is rotatably installed at one end of the supporting shaft, a motor is fixedly installed on the surface of one end of the fixing frame, a kneading barrel is rotatably installed at one end of the motor, and an annular table is arranged on the outer surface of the kneading barrel. A cavity is formed in the kneading cylinder, an arc-shaped groove is formed in the surface of the annular table, a positioning insertion hole is formed in the arc-shaped groove, an arc-shaped plate is clamped in the arc-shaped groove, limiting tables are arranged at the two ends of the arc-shaped plate, an insertion rod is fixedly connected to the lower surface of the arc-shaped plate, a positioning hole is formed in one end of the insertion rod, and a clamping groove is formed in the other end of the insertion rod. A threaded hole is formed in one end of the kneading cylinder, meanwhile, air can be blown from the interior to control heating stability, safety and stability are improved, combined use is facilitated, split maintenance is convenient, and adaptability is high.

The invention discloses a heat exchanger machining process and a heat exchanger. The heat exchanger machining process comprises the following steps that B1, a heat channel is provided, and the heat channel is in a barrel shape with at least two openings; b2, a clamp and a heat pipe are provided, the clamp comprises a clamp body, a clamp groove and a pipe groove, the clamp groove and the pipe groove are formed in the clamp body, and the clamp groove is communicated with the pipe groove; b3, the heat pipe is partially clamped in the pipe groove; b4, the clamp and the heat pipe are assembled in the heat channel, so that the cylinder wall of the heat channel is embedded into the clamping groove, and the heat pipe is wound on the outer wall of the heat channel; b5, a welding wire is placed between the heat pipe and the heat channel; b6, the whole is heated till the welding wire is molten; b7, cooling the whole; and B8, the clamp is dismantled. Compared with the prior art, pre-fixed spot welding is omitted, and the formed heat exchanger is uniform in structure, longer in service life and higher in structural strength.

The utility model discloses a detachable double-circuit board ice maker control system which comprises a main control board and a power board, three detachable connecting pieces are arranged between the main control board and the power board and used for fixing and supporting, and a flexible connecting piece is arranged between the main control board and the power board and used for electrical connection. The detachable connecting piece comprises a first connecting angle plate, a fastening bolt and a second connecting angle plate, and the first connecting angle plate is fixedly installed on the main control board. According to the utility model, through the double-layer stacking design of the main control board and the power supply board, the heat conducting sheet is arranged between the main control board and the power supply board, so that the heat conduction area is increased, the heat conduction uniformity is better, the heat dissipation block is utilized to increase heat dissipation, and the detachable connecting piece and the flexible connecting piece are utilized to realize detachability, so that the separated double-layer design of the power supply electric control is realized; and the size occupation and the design and assembly difficulty are reduced.

The utility model provides a health preserving kettle, and relates to a health preserving kettle, the health preserving kettle comprises an inner container, the inner container comprises an inner container wall made of a glass material, an inner container bottom made of a metal material, and a second inclined wall inclined downwards and outwards from a second transverse wall, and the second transverse wall is higher than a first transverse wall; the first inclined wall, the second transverse wall and the second inclined wall form an installation cavity with a downward opening, and the heating pipe is arranged in the installation cavity and attached to the wall of the installation cavity; an installation groove with an upward opening is further formed in the outer edge of the second inclined wall, a sealing material connected with the lower edge of the inner container wall is contained in the installation groove, and the length of the second inclined wall is larger than that of the first inclined wall. According to the health maintenance kettle, under the condition that the boss heating structure improves the heating efficiency, the temperature difference between cold water flowing through the glass inner container wall and the heating surface of the boss is large, bubbles are prone to breakage, and noise is large.

The utility model discloses an adsorption column for tail gas treatment, which relates to the technical field of tail gas treatment and comprises an adsorption column body, heat conduction grids and heat exchange tubes are arranged in the adsorption column body, the heat exchange tubes penetrate through the heat conduction grids and are connected with the heat conduction grids, the two adjacent layers of heat conduction grids are arranged in a rotating and staggered manner, and the heat conduction grids are connected with the heat exchange tubes. The adsorption column body is provided with a product gas inlet and a product gas outlet, and the product gas inlet and the product gas outlet are respectively positioned at two ends of the heat conduction grid. The tail gas treatment adsorption column disclosed by the utility model has the beneficial effects of larger heat conduction area and higher heat exchange efficiency.

The invention discloses a phase change energy storage type radiator, and relates to the technical field of heat dissipation of missile-borne electronic equipment, the phase change energy storage type radiator comprises a packaging base body, the packaging base body is filled with a solid phase change material, a heat conduction elastic piece in a stretching state is fixedly arranged in the solid phase change material, and the packaging base body is provided with a heat conduction surface for conducting heat with a heating element. One end of the heat-conducting elastic piece extends out of the solid-phase phase-change material and is fixedly connected with the heat-conducting surface in a heat-conducting manner, and the contraction direction of the heat-conducting elastic piece in a stretched state faces the heat-conducting surface, so that the solid-phase phase-change material is in contact with the heat-conducting surface. According to the invention, the heat-conducting elastic piece in the stretched state is arranged in the solid-phase phase-change material, so that the solid-phase phase-change material can be always kept in contact with the heat-conducting surface, heat can be more quickly and widely transferred into the solid-phase phase-change material through the heat-conducting elastic piece, and the space occupied by the length of the heat-conducting elastic piece can be saved; and more solid phase change materials are added in a limited volume.