31results about How to "Not easy to affect normal work" patented technology

The invention provides a combined sugarcane harvester, which relates to the technical field of agricultural machinery. The harvester comprises a gantry front axle device connected with the front end of a frame, two groups of separation mechanisms which are symmetrically arranged on the two sides in front of a front wheel of the sugarcane harvester, a header device which is located on the back side of the gantry front axle device and is connected with the lower side of a harvester cab, a channel device which is connected to the back end of the header device and is fixed on the frame, and an engine placed on the frame, wherein a channel of the channel device is enclosed by two channel side plates and is internally provided with a leaf stripping and tail cutting device, a speed limiting device and a reverse-rotation leaf discharging device; the engine is connected with a transfer case assembly; the power output end of the transfer case assembly is respectively connected with transmission shafts I and II; the transmission shaft I is used for transferring power to a roller driving shaft of the leaf stripping and tail cutting device through a tapered power-input gear box located outside the channel side plate; the roller driving shaft is used for transferring the power to the other devices in the channel through a channel transmission device; and the transmission shaft II is used for transferring the power to a rear axle assembly through a speed changing box.

The invention discloses electrical equipment with a protection function, and belongs to the technical field of electrical equipment. The electrical equipment comprises an electrical cabinet, a top plate is arranged over the electrical cabinet; two first fixing blocks are fixedly connected to the upper surface of the inner wall of the top plate, the front faces of the first fixing blocks are movably connected with the top ends of connecting rods through pin shafts, the bottom ends of the connecting rods are movably connected with the front faces of second fixing blocks through pin shafts, and the lower surfaces of the second fixing blocks are fixedly connected with the upper surface of a sliding assembly. According to the electrical equipment with the protection function, the electrical cabinet, the top plate, the connecting rods, the sliding blocks, springs and sliding grooves are arranged, so that the top plate drives the two sliding blocks to be away from each other through the two connecting rods, and then the elastic force of the two springs can support the two sliding blocks, thereby effectively playing a role in buffering, preventing the electrical cabinet from being greatlydamaged due to smashing of a heavy object, protecting the electrical cabinet to a certain extent, and being not liable to affect the normal operation of the electrical cabinet.

The invention provides an electrostatic discharging protection circuit and structure and a working method of the electrostatic discharging protection circuit. The circuit comprises a first circuit anda second circuit, wherein the first circuit comprises a first MOS transistor, a first resistor and a first capacitor, two ends of the first resistor are respectively connected with a source and a gate of the first MOS transistor, two ends of the first capacitor are respectively connected with the gate and a drain of the first MOS transistor, the second circuit comprises a second MOS transistor, asecond resistor and a second capacitor, two ends of the second resistor are respectively connected with a gate and a source of the second MOS transistor, and two ends of the second capacitor are respectively connected with a drain and the gate of the second MOS transistor. The sustaining voltage of the electrostatic discharging circuit is relatively high, so that the electrostatic discharging circuit can be closed after electrostatic discharging, and the normal working of a chip needed to be protected is difficult to affect; and meanwhile, a trigger voltage of the electrostatic discharging protection circuit is relatively low, so that the electrostatic discharging protection circuit is easy to conduct, and the protection performance of the chip needed to be protected can be improved.

The invention discloses a channel device of a cane harvester and relates to the technical field of agricultural machines. The channel device comprises channel side plates, a leaf-peeling tail-chopping device, a speed limiting device, a reverse leaf-discharging device, a conveying device, a side plate integration gearbox, a power input bevel gearbox, a chain wheel and a chain, wherein the chain wheel and the chain are used for power transmission, a box body of the side plate integration gearbox is defined by an inner side plate and an outer side plate of the channel side plates which are arranged at one side of a channel, the leaf-peeling tail-chopping device, the speed limiting device, the reverse leaf-discharging device and the conveying device are respectively arranged in the channel formed by the two channel side plates, two ends of all rollers in the channel are respectively positioned on the channel side plates on two sides of the channel through bearing seats, the power input bevel gearbox is fixed on one of the channel side plates, a bevel gear which transmits the power of an engine to rollers of the leaf-peeling tail-chopping device is arranged inside the power input bevel gearbox, the rollers of the leaf-peeling tail-chopping device transmit the power to the speed limiting device through gears inside the side plate integration gearbox, and the speed limiting device transmits the power to the reverse leaf-discharging device and the conveying device through the chain wheel and the chain.

The invention discloses a solar panel for street lamps with snow removal function, belonging to the field of solar panels, a solar panel with snow removal function for street lamps, with the increase of snow weight, the solar receiving board continues to move towards the installation frame until The pressure sensor detects the pressure and controls the operation of the electric heating network through the control terminal, so that the side of the snow close to the solar receiving plate melts the snow water, making the snow directly slide off the solar receiving plate, and then under the action of the compressed spring, the solar energy After the receiving plate returns to its original position and the pressure sensor fails to detect the pressure, the control terminal stops the electric heating network. At this time, the electric heating network cools down quickly, making it difficult for a large amount of liquid water to appear on the surface of the solar receiving plate, and it is difficult to form an ice layer on the surface of the solar receiving plate. , reduce the load on the solar receiving plate, and also reduce the possibility of snow mixed with large ice blocks during the snow removal process, increasing the safety of snow removal work.

The invention discloses an electric power monitoring terminal with a self-protection function, and belongs to the field of electric power monitoring systems. According to the electric power monitoring terminal with the self-protection function, through the separating of a switch main body and a connector for high-frequency signal transmission, when the switch main body and the connector are kept in a high-frequency working state for a long time, a large amount of heat is generated, the volume of inert gas in the elastic cavity is increased, the connector is jacked to the direction far away from the switch main body, and the switch main body and the connector are disconnected; at the moment, relevant information, collected by the secondary switch, of the terminal instrument is transferred into the storage device, when the temperature of the connecting position of the switch body and the connector is reduced, the protection air bag restores to the original shape under the action of the extension spring in the stretching state, the connector is pulled back into the switch body, and the information is transmitted to a control server and a superior terminal.

The invention discloses a highly waterproof liquid crystal display assembly, which belongs to the field of liquid crystal display assemblies. In a highly waterproof liquid crystal display assembly, during the normal operation of the main body of the liquid crystal display, the hot air in the waterproof box can be normally exchanged with the liquid crystal display assembly. Heat exchange occurs with the outside air. At this time, the heat dissipation effect is the best, and the electronic components in the main body of the LCD display are in the best working condition. When a water ingress accident occurs through the through hole in the waterproof box, the space on the lower side of the partition plate passes through the slide bar. There is heat exchange with the outside world. At this time, the heat dissipation effect is the worst, but the heat accumulated in the waterproof box is not easy to affect the normal work. As the sealing time of the sealing hole increases, the heat accumulated in the waterproof box increases. At this time, the gas in the waterproof box can The heat exchange with the outside is carried out through the heat dissipation auxiliary hole on the heat dissipation pipe, the heat dissipation effect is better, the heat accumulated in the waterproof box is greatly reduced, and the waterproof effect of the main body of the liquid crystal display is greatly increased.

The invention discloses a contact type damping device for a Roots blower, belongs to the field of blower damping devices. According to the contact type damping device for the Roots blower in the scheme, a dual damping system is formed by structures at a damping chamber and an exchange port; when the Roots blower works, vibration generated by working of the Roots blower is firstly transmitted to the damping chamber through an elastic shell and transmitted to damping balls filled into the damping chamber, the vibration is weakened through impact among the multiple damping balls, meanwhile, the damping chamber is pressed to discharge part of hydraulic oil in the damping chamber into a transition chamber through a liquid outlet, and the hydraulic oil enters the damping chamber after breaking through a buffer fiber cluster; and in the process, the hydraulic oil needs to do work on the buffer fiber cluster again, the vibration generated when the Roots blower works is further reduced, the duel damping system is formed, the Roots blower can be suitable for the humid working environment, and normal work of the Roots blower is not prone to being affected.

The invention discloses an offshore navigation mark based on wave power generation, and belongs to the field of offshore navigation marks. According to the offshore navigation mark based on wave powergeneration in the scheme, a U-shaped ring groove and a sealing curtain are matched, and a water draining groove and a sealing ring are matched, so that control over the liquid level height of residual seawater in a transition air chamber is realized, and dynamic balance of the liquid level height is achieved; the residual seawater carried by seawater on the navigation mark can be reduced, air inlet and outlet of a central pipe are not easily influenced, normal work of a symmetrical wing gas turbine is not easily influenced, and damage or a direct failure of the symmetrical wing gas turbine isnot easily caused; meanwhile, a navigation mark main body, a floating block and an outer floating cover are integrally similar to a tumbler through the arrangement of a counterweight ring, so that overturning caused by the fact that the seawater impacts the lower side is not prone to being caused; and a wave-proof fiber curtain is arranged between a main cover body and the counterweight ring, sothat sea waves can be divided, the change of the liquid level in the outer floating cover is more stable, and the navigation mark main body and the floating block are more stable.

The invention discloses a highly waterproof liquid crystal display screen assembly, and belongs to the field of liquid crystal display components. According to the assembly, in a normal working process of a liquid crystal display body, hot air in a waterproof box can normally exchange heat with external air, and at the moment, the heat dissipation effect is the best, electronic elements in the liquid crystal display main body are in an optimal working state; when a water inlet accident occurs in the waterproof box through a through hole, the lower side space of a partition plate exchanges heatwith the outside through a sliding rod, and at the moment, the heat dissipation effect is worst, however, the heat accumulated in the waterproof box does not easily influence the normal work; along with the increase of the sealing time of sealing holes, the accumulated heat in the waterproof box is increased, at the moment, gas in the waterproof box can exchange heat with the outside through auxiliary heat dissipation holes in a heat dissipation pipe, the heat dissipation effect is good, the accumulated heat in the waterproof box is greatly reduced, and the waterproof effect of the liquid crystal display body is greatly improved.

The invention provides a full-automatic snail shell breaking machine which comprises a case, a cutting edge, a motor, a transmission device, an electrical assembly and a shell breaking hopper, wherein an L-shaped baffle is arranged at the height position in the middle of the case; the baffle and the top surface of the case form a space for mounting the cutting edge; a rectangular opening for mounting the shell breaking hopper is formed in the side surface of the case; the bottom edge of the baffle is downwards inclined to the opening; a cutting hole for placing a snail shell is formed in the top surface of the case; the cutting edge is provided with at least two axisymmetrically arranged blades, and is mounted on the baffle in a rotatable manner; the blades are positioned below the cutting hole; the motor is connected with the cutting edge through the transmission device in a driving manner; the motor and the transmission device are arranged outside the baffle; the electrical assembly is electrically connected with the motor; the electrical assembly is arranged outside the baffle; the shell breaking hopper is matched with the opening in the side surface of the case; the shell breaking hopper is inserted into the case from the opening, and is positioned right below the bottom edge of the baffle. The full-automatic snail shell breaking machine realizes automatic snail shell breaking.

The invention provides a combined sugarcane harvester, which relates to the technical field of agricultural machinery. The harvester comprises a gantry front axle device connected with the front end of a frame, two groups of separation mechanisms which are symmetrically arranged on the two sides in front of a front wheel of the sugarcane harvester, a header device which is located on the back side of the gantry front axle device and is connected with the lower side of a harvester cab, a channel device which is connected to the back end of the header device and is fixed on the frame, and an engine placed on the frame, wherein a channel of the channel device is enclosed by two channel side plates and is internally provided with a leaf stripping and tail cutting device, a speed limiting device and a reverse-rotation leaf discharging device; the engine is connected with a transfer case assembly; the power output end of the transfer case assembly is respectively connected with transmission shafts I and II; the transmission shaft I is used for transferring power to a roller driving shaft of the leaf stripping and tail cutting device through a tapered power-input gear box located outside the channel side plate; the roller driving shaft is used for transferring the power to the other devices in the channel through a channel transmission device; and the transmission shaft II is used for transferring the power to a rear axle assembly through a speed changing box.

This application relates to an intelligent fish luring light, which includes a fish luring light body, an LED light is installed in the fish luring light body, a propeller group is arranged on the fish luring light body, an intelligent processor, a driving power supply and an intelligent processor are installed in the fish luring light body. The signal receiver is connected with an attitude sensor to the intelligent processor. The fish luring light body is equipped with an ultrasonic generator, the fish luring light body is rotated with a rotating column and a driving motor, the fish luring light body is equipped with an airbag bag, a high-pressure air cavity and a connecting pipeline, and the fish luring light body is fixed with a filter cartridge. There is a debris scraping device on the water end. This intelligent fishing light can stay at any position in the sea without hanging on the boat, so that the boat can trap fish when the fish are attracted by the fishing light; by setting the rotating column, installing the arc surface and driving the motor, It is convenient to adjust the fish luring area of ​​the intelligent fish luring light; the propeller is not easily affected by the suspended debris in the seawater by setting the filter cartridge and the debris scraping device.

The invention relates to the field of high-temperature digital glass printing machines and discloses a method for preventing a spray head from being blocked on a high-temperature digital glass printing machine. The method includes the steps that ink is acquired from the ink input position; the ink is in a suspended state due to the negative pressure; the liquid level of the ink is acquired and theink input amount is controlled according to the liquid level; and the ink is output to the ink input position. The method for preventing the spray head from being blocked on the high-temperature digital glass printing machine has the effect that the normal work efficiency of equipment cannot be easily affected.

The invention discloses an on-line hot backup method for a fan device of an ethylene cracking furnace, belonging to the field of hot backup of cracking furnace fans, and an online hot backup method for a fan device of an ethylene cracking furnace. The rotation method of the turntable is similar to the structure of the revolver pistol loading disk. The structure required for rotation is relatively simple and reliable. Even in the long-term use process, it is not easy to cause failure due to the structure itself, and it is not easy to cause ethylene cracking furnace. When the fan system of the ethylene cracking furnace fails, it is convenient for technicians to carry out daily maintenance and hidden danger investigation, and it is easy to realize the rapid replacement of the fan body in the working position. The replacement, maintenance and repair of the main body of the fan can be realized, and the normal operation of the ethylene cracking furnace is not easily affected, and the production efficiency of the ethylene cracking furnace is not easily affected.

The invention relates to a spline shaft stable in an engagement performance. The spline shaft has a spline shaft body, wherein an external thread is arranged at the head part of the spline shaft body; the middle part of the spline shaft body is set as a frustum-shaped mounting end; a key slot is formed in the mounting end; the mounting end and the back end of the spline shaft body are connected through a grinding undercut; and a gear is arranged at the back end of the spline shaft body. The spline shaft is simple in structure, is convenient for use, works through multiple teeth, is excellent in bearing capacity, is high in guide performance, is low in stress concentration, is convenient for machining and manufacturing, is high in machining precision, is not easy to influence normal work of users, improves the working efficiency, and reduces the production cost.

The invention relates to a hot runner system for injection molding with uniform material injection. During the use of this solution, when the feeding speed is too slow, on the one hand, the existence of an adaptive regulator will play a role of extrusion buffering for the raw materials, and the raw materials are in After contact with the adaptive regulator, the motion state will change greatly in a short period of time, resulting in the formation of a small range of turbulent flow in the raw material in the fluid state, so that natural deposits cannot be formed inside the raw material. On the other hand, under the action of the raw material fluid , it will push the force block to move in the direction of the inner wall of the conveying pipe, agitate the raw materials in the casing, increase the resistance of the raw materials to flow in the conveying pipe, make it difficult to form natural deposition inside, the raw materials are easy to maintain a homogeneous state, and at the same time can The raw material can be kept warm and heated by the electric heating rod installed inside the movable rod, so that the raw material can maintain a relatively stable and homogeneous shape for a long time before being injected into the mold for molding.

The invention discloses a channel device of a cane harvester and relates to the technical field of agricultural machines. The channel device comprises channel side plates, a leaf-peeling tail-chopping device, a speed limiting device, a reverse leaf-discharging device, a conveying device, a side plate integration gearbox, a power input bevel gearbox, a chain wheel and a chain, wherein the chain wheel and the chain are used for power transmission, a box body of the side plate integration gearbox is defined by an inner side plate and an outer side plate of the channel side plates which are arranged at one side of a channel, the leaf-peeling tail-chopping device, the speed limiting device, the reverse leaf-discharging device and the conveying device are respectively arranged in the channel formed by the two channel side plates, two ends of all rollers in the channel are respectively positioned on the channel side plates on two sides of the channel through bearing seats, the power input bevel gearbox is fixed on one of the channel side plates, a bevel gear which transmits the power of an engine to rollers of the leaf-peeling tail-chopping device is arranged inside the power input bevel gearbox, the rollers of the leaf-peeling tail-chopping device transmit the power to the speed limiting device through gears inside the side plate integration gearbox, and the speed limiting device transmits the power to the reverse leaf-discharging device and the conveying device through the chain wheel and the chain.

The invention discloses a throwing type floating alarm device for navigation, and belongs to the field of navigation alarm devices. The throwing type floating alarm device for navigation is characterized in that when the alarm device works normally, signals emitted by a plurality of signal transmitting devices are transmitted to a signal amplifying device and are transmitted after being enhanced by the signal amplifying device, compared with an alarm device with a single signal transmitting device, the signal amplifying device is used for integrally transmitting the signals of the signal transmitting devices, so that the failure of the alarm device caused by the failure of the single signal transmitting device can be avoided, and the reliability of the alarm device is improved. Meanwhile, the alarm signal can be enhanced, the probability that the alarm signal is searched by a low-altitude searching helicopter or other searching equipment is increased, the searching helicopter finding the alarm device can roughly estimate the position of a wrecked ship according to the position of the alarm device and hydrological data, the searching range is narrowed, and the searching success rate is increased.

The invention discloses a three-piece type multidirectional cut-off quick-connection ball valve, and belongs to the field of quick-connection ball valves. According to the three-piece type multidirectional cut-off quick-connection ball valve, when the ball valve needs to be replaced, a push plate can block through holes of a conveying pipe and an auxiliary quick joint to prevent a medium in the conveying pipe from leaking out, a spherical pad arranged on the surface of the push plate can effectively reduce scouring of the medium to a main quick joint and the push plate, the service life of a limiting sliding rod and the push plate is prolonged, reinforcing fibers located in a rubber spherical surface can provide support, a whole structure of the spherical pad is not prone to collapse, andelastic fibers located at the outer side of the rubber spherical surface can play a flow dividing role. The medium does not easily form long-time directional scouring on the surface of the rubber spherical surface, maintenance personnel can conveniently and quickly replace the ball valve, a large amount of materials conveyed in the conveying pipe are not easily leaked, maintenance environment pollution is not easily caused, normal work of the maintenance personnel is not easily influenced, and danger is not easily caused to the life health of the maintenance personnel.

The invention discloses an online hot standby method for a fan device of an ethylene cracking furnace, and belongs to the field of hot standby of fans of cracking furnaces. According to the online hotstandby method, a carrier of a fan system adopts a left-wheel type left-wheel rotary disc, the rotating mode is similar to the structure of a left-wheel type pistol bullet loading disc, the structureneeded by rotation is simple and reliable, faults caused by the structure are not prone to happening even in the long-time use process, faults of the fan system of the ethylene cracking furnace are not prone to happening, daily maintenance and hidden danger troubleshooting of technicians are facilitated, the fan body in the working position is easily and rapidly replaced, when the fan body of theethylene cracking furnace breaks down, the fan body can be replaced, maintained and repaired without shutting down the whole ethylene cracking furnace, normal work of the ethylene cracking furnace isnot prone to being affected, and the production efficiency of the ethylene cracking furnace is not prone to being affected.

The invention discloses a breathing type navigation mark for an area with abundant offshore wave energy, belongs to the field of offshore navigation marks, and discloses the breathing type navigationmark for the area with abundant offshore wave energy. According to the scheme, the breathing and exhausting processes of breathing of an air exchange chamber are completed by an air inlet chamber andan air outlet chamber respectively, and the air inlet chamber and the air outlet chamber do not interfere with each other; therefore, the problem that seawater permeates easily when a single air chamber works is effectively solved, seawater mixed with sea waves does not invade the pneumatic chamber easily, an impeller fan and a generator body of wave energy power generation equipment are not proneto being corroded by the seawater, and the wind wave resistance of the navigation mark can be improved; when the difference between the wave crest and the wave trough of the wave is larger, water isnot prone to entering an air chamber or a wave chamber in the wave energy power generation device, the irreversible damage to the wave energy power generation device is not prone to being caused, andthe normal work of the wave energy power generation device is not prone to being affected.

The invention discloses a preparation process for heat dissipation packaging of a compact IGBT module, which belongs to the field of IGBT packaging technology, and a preparation process for heat dissipation packaging of a compact IGBT module. The IGBT is completed through the packaging of silica gel and ring resin The heat dissipation and insulation work of the compact IGBT module realizes the heat dissipation of the compact IGBT module. The heat preservation and heat dissipation effect of the silica gel is increased by adding phase change balls to the silica gel. When the temperature of the silica gel is too high, the phase change ball liquefies and absorbs a large amount of heat, making the silica gel The temperature is not easy to rise too fast, which assists in heat dissipation. At this time, the liquefied phase change balls flow into the capillary pores of the silica gel, which will increase the contact area between the silica gel and the phase change balls, and greatly increase the heat exchange efficiency between the silica gel and the phase change balls. When the IGBT module works in a low temperature environment, when the temperature of the silica gel drops sharply due to the environment, the liquid phase change ball will solidify and release a lot of heat to keep the working environment of the electronic components warm.

The invention discloses an offshore buoy based on wave energy power generation, which belongs to the field of offshore buoys. It is an offshore buoy based on wave energy power generation. Cooperate to realize the control of the liquid level height of the residual seawater in the transition chamber, so that it is in a dynamic balance, which can reduce the residual accumulation of seawater carried by the seawater on the navigation mark, and it is not easy to affect the air in and out of the central tube, and it is not easy to affect the symmetrical wing gas turbine. Normal operation is not easy to cause damage or direct failure of the symmetrical wing turbine. At the same time, through the establishment of the counterweight ring, the main body of the buoy, the buoy and the outer floating cover are similar to a tumbler, and it is not easy to fall sideways under the impact of sea water. The main cover body and the counterweight The establishment of the anti-wave fiber curtain between the rings can realize the shunting of waves, so that the liquid level inside the outer floating cover changes more smoothly, making the main body of the buoy and the buoy more stable.

The invention discloses a breathing type shield scraper with a wear-resistant function, and belongs to the field of shield cutters. According to the breathing type shield scraper with the wear-resistant function, the liquid outlet amount of improvement liquid can be reduced when the soil of a soil layer is improved by using the improvement liquid and the soil of a rock wall is soft and the scraper is worn slightly, and the liquid outlet amount of the improvement liquid can be increased when the soil of the rock wall is hard and the scraper is worn severely. A breathing bag (3) is similar to the lung of organisms, the supplement of the improvement liquid is a lung inspiration process while the discharge of the improvement liquid is a lung expiration process, the whole process is completely automatic, additional power does not need to be added, the situation that the excessive improvement liquid is sprayed is avoided, too humid tunneling environment cannot be caused easily, normal work of workers cannot be affected, the loss of the shield scraper in the tunneling process is greatly reduced, the shield scraper does not need to be frequently replaced, and the use cost of a shield tunneling machine is reduced.

The invention discloses a micro attaching plug, comprising a conducting part which is inserted into the socket to conduct current; a curved plugging part which is electrically connected with the conducting part, and coated with an insulation body; a lead which is electrically connected with the curved plugging part; a shell which is coated on the connection part between the curved plugging part and the lead and extended to one side. Particularly, the lead is perpendicular with the curved plugging part. The shell comprises a coating part and an extension part. The coating part and the extension part are integrated into one body to form a smooth curve. A shell which is easy to plug and pull is added on the micro attaching plug and damage due to plugging and pulling is not easy to occur, thereby, longer service life is ensured.

The invention relates to an injection molding hot runner system capable of uniformly injecting materials. According to the solution, in a using process, when the feeding speed is too low, on one hand,a self-adaptive adjustor can play a role in extruding and buffering raw materials, after the raw materials make contact with the self-adaptive adjustor, a motion state can be greatly changed within ashort time, a small range of turbulent flow formed in the fluid-state raw materials is caused, natural sedimentation cannot be formed inside the raw materials, on the other hand, under the action ofthe raw material fluid, a stress block can be pushed to move towards the inner wall of a material conveying pipe to stir the raw materials in the sleeving, the flowing resistance of the raw materialsin the material conveying pipe is increased, the raw materials are not prone to forming the natural sedimentation inside the material conveying pipe, the raw materials are easily kept in a homogeneousstate, meanwhile, the raw materials can be subjected to heat preservation and heating through an electric heating rod installed inside a movable rod so that the relatively stable and homogeneous state of the raw materials can be kept for a longer time before the raw materials are injected into a mold to be molded.

The invention discloses a preparation process of a heat dissipation package for a compact IGBT module, and belongs to the field of IGBT packaging technologies. According to the preparation process ofthe heat dissipation package for the compact IGBT module, the heat dissipation and insulation work of an IGBT is completed through the packaging of silica gel and cycloresin gum, heat dissipation of the compact IGBT module is achieved, and the heat preservation and heat dissipation effects of the silica gel are improved by doping phase-change balls into the silica gel. When the temperature of thesilica gel is too high, the phase change balls are liquefied to absorb a large amount of heat, the temperature of the silica gel is not easy to rise too fast so as to assist heat dissipation, and theliquefied phase-change balls flow into capillary micropores of the silica gel at the moment, so that the contact area between the silica gel and the phase-change balls can be increased, and the heat exchange efficiency between the silica gel and the phase-change ball is greatly improved; and when the IGBT module works in a low-temperature environment and the temperature of the silica gel is greatly reduced due to the environment, the liquid phase-change balls are solidified to release a large amount of heat to preserve the heat of the working environment of an electronic element.