169results about How to "Avoid explosive situations" patented technology

The invention provides a robot, a fire-extinguishing system and a fire-extinguishing method. A body of the robot is provided with a mobile module, a first control module and a fire-extinguishing module, wherein the mobile module is connected with a rail and used for driving the body of the robot to move along the rail; the rail is arranged inside a preset place which comprises at least one fire-extinguishing subarea; the first control module is connected with the mobile module and used for driving the body of the robot to move to the fire occurrence subarea of the preset place by controlling the mobile module; and the fire-extinguishing module is used for executing fire-extinguishing operation after the body of the robot moves to the fire occurrence subarea. The invention can realize quick, long-distance, wide-range and automatically controlled fire-extinguishing.

The invention belongs to the technical field of machinery, in particular to a controllable discharge safety automatic disassembly device for a waste hard shell lithium ion power battery, Including anexhaust gas filtration tank, an Intake pipe, a check valve, an air cylinder, an Outlet pipe, a suction pipe first pipe, case, a pipe fixing plate, hose, a second pipe, a solenoid valve, a first motor,a slider, a nitrogen tank, a transverse plate, a mounting plate, a funnel, a storage plate, support legs, a waste liquid collection bottle, a filter screen, a support column, a first pressure plate, asecond pressure plate, a case door, a second motor a amounting plate , second motor, a aguide rail mounting pl ate, guide rail, screws, a cutting knife and a screw mounting plate. The disassembly efficiency of the invention is high, As that liquid nitrogen cool the cutting place during the cutting of the power battery, the occurrence of the spontaneous combustion of the battery caused by excessive temperature during the cut is avoided, the battery explosion is avoided, the battery is cut in the box body, the personal safety of the dismantling personnel is facilitated, and the gas filtering mechanism avoids the pollution of the environment caused by the waste gas during the dismantling.

The invention discloses a device and method capable of increasing the synthesizing stability of cadmium zinc telluride polycrystals and aims to solve the problem that quartz tube explosion occurs easily during the synthesizing of cadmium zinc telluride, and the tube cracking accident is caused. The device and method is characterized in that protective gas is filled into a pressure-maintaining inner container, the internal and external pressure difference of a quartz crucible is balanced or lowered by regulating the gas filling pressure in the pressure-maintaining inner container, raw materialreaction rate is controlled by crystal material distribution, temperature gradient setting or furnace tube ascending and descending, and crystal growth is performed through the temperature gradient setting and the furnace tube ascending and descending. The device and method has the advantages that crucible explosion can be avoided effectively, reaction conditions are mild, phenomena such as tube cracking are avoided effectively, corresponding preparation requirements can be satisfied, and the device and method is promising in application prospect.

The invention discloses a coal mine dust monitoring system and method. The system comprises a light absorption type concentration sensor, a data processing system and a control system, wherein the light absorption type concentration sensor is used for collecting real-time dust concentration data, when the real-time dust concentration data is an abnormal value, the data processing system generates warning eliminating signals, when the real-time dust concentration data is changed from an abnormal value to a normal value, the data processing system generates warning elimination signals, and the control system is used for controlling a spraying dust reducing unit to start or stop the spraying processing. In the system disclosed by the embodiment of the invention, the collected dust concentration data is real-time dust concentration data, the condition that the dust explosion can be caused since the real-time performance of the dust concentration data is poor in the prior art is avoided, and the dust explosion possibility is reduced; in addition, the control system can control the spraying dust reducing unit to stop the spraying processing, the condition that the spraying device is in the spraying state for a long time due to the personnel negligence in the prior art is avoided, and the utilization rate of water resources is improved.

The invention relates to a high-pressure cell incubator. The high-pressure cell incubator comprises a box body, and a water jacket for providing a working temperature for the box body, wherein the water jacket covers on the inner surface of the box body. The invention also provides a temperature control method and a pressure control method of the high-pressure cell incubator. By adoption of the technical scheme of the high-pressure cell incubator, a growing environment for cells under high pressure can be provided.

The invention belongs to the technical field of recycling of lithium-ion batteries, and particularly relates to a controllable discharging and safe and automatic disassembling method for a waste hard-shelled lithium-ion power battery. The method comprises the following steps: S1, discharging the waste hard-shelled lithium-ion power battery; S2, placing the discharged battery in step S1 in automatic battery disassembling equipment and then disassembling the battery; and S3, classifying and recycling the materials disassembled in step S2. The battery can be rapidly disassembled by the automaticbattery disassembling equipment used in the method, the disassembling efficiency is high, during cutting of the power battery, a cut position is cooled by liquid nitrogen, spontaneous combustion of the battery due to over-high temperature during cutting is avoided, explosion of the battery is also avoided, battery cutting operation is carried out in a box, thus, personal safety of a disassemblingworker is benefited, and by a gas filtering mechanism, the circumstance that the environment is polluted by waste gas generated during disassembling is avoided.

The invention discloses a smelting furnace for producing aluminum or aluminum alloy. The smelting furnace comprises a first smelting cavity, a first driving motor, a second driving motor, a hot air machine, a first filter screen and a second filter screen, wherein a feeding hopper is arranged at the upper end of the first smelting cavity, the first driving motor is installed on the left side of the first smelting cavity, the upper end and the lower end of a second stirring shaft are provided with a first grinding shaft and a second grinding shaft respectively, a heat collecting plate is arranged at the outer end of an electric heating wire placing groove, and an anti-sticking layer is sprayed on the outer layer of the heat collecting plate. The first rotating shaft and the second rotatingshaft in the smelting furnace for producing the aluminum or the aluminum alloy are in rotating motion in the same direction, so that raw materials for producing the aluminum or the aluminum alloy canbe stirred, grinding and cutting of fine particles and larger particles in the raw materials for producing the aluminum or the aluminum alloy are facilitated; and the raw materials used for producingthe aluminum or the aluminum alloy are prevented from being adhered to the side wall of the smelting furnace in the melting process of the raw materials for producing the aluminum or the aluminum alloy.

The invention is applied to the technical field of communications, and provides a terminal with an application safety alarm function, and an alarm method thereof. The terminal comprises a temperature measuring module for measuring the temperature of a terminal heating part and sending a first alarm signal after the temperature of the heating part reaches a first temperature threshold; a control module for receiving the first alarm signal and sending a control instruction; and an alarm module for receiving the control instruction and giving a prompt about alarm information, such that the terminal can be prevented from possible exploration caused by continuous work under the condition of too high temperature, and the application safety of the terminal is maintained.

The invention provides a preparation method of a steel shell button cell, and the steel shell button cell. The preparation method of the steel shell button cell comprises the following steps of stacking the upper cover plate, the pressure relief insulating sheet and the negative electrode contact sheet in sequence; carrying out hot pressing operation on the upper cover plate, the pressure relief insulation sheet and the negative electrode contact sheet; welding the positive electrode lead with the lower shell, and welding the negative electrode lead with the negative electrode contact piece; acore body of the winding type battery core assembly being placed in a lower shell cavity of the lower shell, the lower shell being covered with the top cover assembly, and the pressure relief insulation sheet and the negative electrode contact sheet being located on the side, away from the lower shell, of the upper cover plate; and welding the upper cover plate and the lower shell to obtain the steel shell button cell. The method is advantaged in that the pressure relief insulating sheet is respectively bonded with the upper cover plate and the negative electrode contact sheet, and when the temperature and the air pressure reach higher values, the pressure relief insulating sheet is heated to slightly deform, and internal air can flow out, so the pressure relief of the battery is completed, and explosion caused by internal short circuit of the battery is prevented.

The invention discloses a novel explosion-proof oil drum heating band. The novel explosion-proof oil drum heating band comprises a heating pad, wherein the heating pad comprises a single sided siliconrubber glass fiber cloth, a diamond copper net and a single sided silicon titanium fireproof cloth; a nickel chrome alloy electrothermal etching sheet is embedded in the silicon rubber glass fiber cloth; a liquid level temperature sensing probe and an explosion-proof box are arranged on the heating pad, a knob type temperature controller is arranged in the explosion-proof box, a temperature controlled switch is connected to the knob type temperature controller, and a silicon rubber high-temperature cable is connected between the knob type temperature controller and the liquid level temperature sensing probe; an elastic band is arranged at one end of the heating pad, a locking spring is arranged at the end of the elastic band, a locking hook is connected to the locking spring, and a locking catch cooperating with the connecting hook is arranged at the other end of the heating pad; and a tightening assembly is arranged at the connecting part of the heating pad and the elastic band. Thenovel explosion-proof oil drum heating band can effectively eliminate the potential safety hazards existing when the heating band of an oil drum is used in explosion gas environment, and casualties caused by explosion can be avoided.

The invention relates to the field of flammable and explosive gas sampling, and in particular to a shielding gas sampler and a sampling method. The shielding gas sampler comprises a cylinder, a piston, a guide rod, and end caps; the piston is slidably arranged in the cylinder, and the guide rod is fixedly arranged at one end of the piston; the end caps are fixedly arranged at both ends of the cylinder, and are used for sealing the interior of the cylinder; the interior of the piston is provided with a cavity, and the interior of the guide rod is provided with an air duct communicating with thecavity; and the cavity is filled with compressed air. According to the shielding gas sampler and the sampling method provided by the invention, since the interior of the piston is provided with the cavity and the cavity is filled with the compressed air, the compressed air is utilized to divide the cavities of the upper end and lower end of the piston, consequently, gases in the two cavities areprevented from being mixed, so that the situation that flammable and explosive gases are in contact to explode is prevented, and thereby the safety, the reliability, the operability and the precisionin the process of flammable and explosive gas sampling are increased.

The invention relates to a micro powder storage device which comprises a tank body. The tank body comprises an outer wall and an inner wall, a gap with the preset width is formed between the outer wall and the inner wall to form a vacuum layer, the upper end of the tank body is provided with a feed pipe and a pressure relief assembly, and the lower end of the tank body is provided with a discharge pipe; the pressure relief assembly comprises a cover plate, a pressure relief pipeline and elastic parts, the pressure relief pipeline is communicated with the interior of the tank body, the cover plate is arranged on the pressure relief pipeline, and the cover plate is connected with the tank body through the elastic parts on the two sides of the pressure relief pipeline. According to the micro powder storage device, the two-layer vacuum tank body is arranged, the bearing capacity of the tank body is enhanced, and the explosion-proof property of the tank body is improved; meanwhile, the pressure relief assembly is arranged, high-pressure gas in the storage tank can be exhaust to the environment outside the tank body, an inner cavity of the tank body is subjected to pressure relief in time, the pressure in the tank body is reduced, the situation that an explosion is caused by the fact that the pressure in the tank body of the storage tank is too high is effectively prevented, and the safety property of micro powder storage is greatly improved.

The invention provides a novel explosion-proof pressure relief device. The novel explosion-proof pressure relief device is characterized in that organic plates with poor compression resistance or inorganic plates or heat-resistant films are adopted to define a closed space; when gas can not flow through the space smoothly, the pressure in the space is increased; and when the pressure exceeds a pressure limit of a heat insulation member, the heat insulation member cracks automatically to release the pressure, and thus explosion is prevented. In a fire extinguisher equipped with the explosion-proof pressure relief device, gas generated by a gas generator enters a dust-removing and cooling device via the explosion-proof pressure relief device rather than entering the dust-removing and cooling device directly. Accordingly, in case of pressure rise due to blockage of the dust-removing and cooling device or accumulation of excessive gases generated by the gas generator, the heat insulation member cracks in advance so that the gas is released into a box body and then discharged through a gas outlet which is formed on the box body, and thus explosion of the fire extinguisher is prevented, the fire extinguisher is safer and more reliable and the service life of the fire extinguisher is ensured.

The invention relates to a pulverized coal storing and supplying system which comprises a large pulverized coal bunker, two or more surge bunkers, two or more feeders, a pulverized coal supplying pipe, multiple fluidizing devices and a monitoring system. The large pulverized coal bunker comprises a cylindrical bunker body and two or more conical bunker bodies, the top of the cylindrical bunker body is connected with a discharge hole of the pulverized coal supplying pipe, the bottom of the cylindrical bunker body is fixedly connected with the top of each conical bunker body, the bottom of each conical bunker body is connected with the top of the corresponding surge bunker through a flexible connector, and the bottom of each surge bunker is connected with the corresponding feeder through a flexible connector; the bottom of each surge bunker and the bottom of each conical bunker body are each fixedly provided with the multiple fluidizing devices in the circumferential direction; the monitoring system is arranged on the large pulverized coal bunker, and the monitoring system is connected with a control system through a data line. The pulverized coal storing and supplying system not only can supply materials for two or more large boilers simultaneously, but also can effectively prevent the phenomenon that discharging is difficult due to pulverized coal degassing and hardening from occurring.

The invention discloses a portable multifunctional self-floating type anti-drowning inflatable cushion for a car. The portable multifunctional self-floating type anti-drowning inflatable cushion for the car comprises a rubber cushion body, wherein an inflating opening is formed in the rubber cushion body; the rubber cushion body is provided with through holes for accommodating tires of the car anda fixing hook ring for fixing the car; a criss-cross arranged cellosilk layer structure is arranged in the rubber cushion body; the length of each through hole is not greater than 2 / 3 of the outer diameter of the corresponding tire of the car; and the width of each through hole is greater than that of the corresponding wheel of the car. The portable multifunctional self-floating type anti-drowning inflatable cushion for the car is simple in structure and convenient to mount and change; by the cellosilk layer structure arranged in the rubber cushion body, the carrying ability of the rubber cushion body is improved effectively, explosion of a traditional buoyancy airbag due to the over-heavy car is avoided, and the anti-explosion and anti-compression abilities of the rubber cushion body areimproved effectively.

The invention discloses a converter dry dedusting and waste heat recycling device and method. The device comprises a smoke gas ingredient concentration intervention section component, a high-temperature smoke gas cooling section component, a gravity dedusting component, a cloth bag dust remover, a low-temperature smoke gas cooling section component and a mixer. An evaporative cooling flue outlet of a converter smoke outlet is sequentially connected with the smoke gas ingredient concentration intervention section component and the high-temperature smoke gas cooling section component and then isconnected with an inlet of the gravity dust removal component, an outlet of the gravity dust removal component is connected with an inlet of the cloth bag dust remover, an outlet of the cloth bag dust remover is connected with an inlet of the low-temperature smoke gas cooling section component through a pipeline, and an outlet of the low-temperature smoke gas cooling section component is connected with a smoke gas recycling mechanism. Smoke gas produced in a converter can be quite effectively purified, the temperature of smoke gas entering a cloth bag for dust removal can be controlled withina certain range, smoke gas waste heat can be absorbed, and the low-temperature waste heat recycling problem is solved.

The invention discloses a device for placing a cup in an automobile. The device comprises a cup-carrying body and an electric air pump, the cup-carrying body comprises a base, a lantern ring and an annular air bag, when the cup-carrying body is not used, air in the annular air bag is pumped out through the electric air pump, so that the annular air bag is folded downward, and then the cup-carrying body can be moved into a containing groove in an instrument desk of the automobile; when the cup-carrying body needs to be used, the cup-carrying body is moved out of the containing groove in the instrument desk of the automobile, and then air at an air outlet of an automobile air conditioner is introduced into the annular air bag through the electric air pump, so that the annular air bag is stretched upward. By means of the device, the height of the cup-carrying body can be adjusted, so that the height of the cup-carrying body can be lowered when the cup-carrying body is not used; moreover, through the cup-carrying body, water in the cup can be maintained to be hot or cold; when not being used, the cup-carrying body can be concealed.

The invention discloses a cup carrying device used for an automobile. The cup carrying device comprises a cup stand and an electric air pump. The cup stand comprises a base, a lantern ring and an annular air bag. When the cup stand is not used, air inside the annular air bag is pumped out through the electric air pump, the annular air bag is shrunken downwards, and then the cup stand can be moved into a containing groove in an automobile dashboard. When needing to be used, the cup stand is moved out of the containing groove in the automobile dashboard, then air at an air outlet of an automobile air conditioner is injected into the annular air bag through the electric air pump, and the annular air bag extends upwards. The height of the cup stand can be adjusted so that the height of the cup stand can be reduced when the cup stand is not used. The cup stand can achieve thermal insulation / cold insulation for a cup; when not used, the cup stand can be concealed.

The invention discloses a power supply work personnel outdoor stove which comprises a stove body, wherein the stove body is provided with a solar power generation device and a self-extinguishing device, the solar power generation device comprises a collecting lens, a solar energy panel, a support rod, a rotary regulation part, a support frame, an output line and a photoelectric converter, the collecting lens is arranged on the solar energy panel by virtue of the support rod, and the rear part of the solar energy panel is connected wit the support frame by virtue of the rotary regulation part; one end of the output line is connected with the solar energy panel, the other end of the output line is connected with the photoelectric converter; and the self-extinguishing device comprises an extingiushment box, an inductor and a controller, the extingiushment box is internally provided with an extinguishant, and the inductor is connected with the extingiushment box by virtue of the controller. Solar power generation is adopted by the power supply work personnel outdoor stove disclosed by the invention, the condition that a gas tank explodes easily due to jolt in a transportation process is avoided, the power supply work personnel outdoor stove has a self-extinguishing function, and can be used for putting out an ignited weeds in time.

The invention discloses an explosionproof powder stirring device for millstone repair. The explosionproof powder stirring device comprises a stirring barrel, wherein a fixed partition board is fixedlyconnected in the stirring barrel, the top of the stirring barrel is fixedly connected with a drive motor, a rotating shaft is arranged in the stirring barrel, one end of the rotating shaft is connected with the drive motor, the other end of the rotating shaft is rotationally connected with the fixed partition board, the bottom of the rotating shaft is fixedly connected with a stirring rod, and cooling boxes are arranged in the stirring barrel; a dual-axis motor, a refrigerant inlet pipe and a refrigerant outlet pipe are arranged in each cooling box, a spiral cooling pipe is connected with tail ends of the refrigerant inlet pipe and the refrigerant outlet pipe, rotation shafts are connected with two ends of the dual-axis motor and sleeved with moving pieces, connecting rods are connected onto the moving pieces, and fixing pieces are fixedly connected onto the refrigerant inlet pipe and the refrigerant outlet pipe. The explosionproof powder stirring device stirs powder for millstone repair in the use process, convenience is brought to people, the powder is cooled effectively during processing, powder explosion is avoided, and safety performance is high.

The invention discloses a method for welding a well ground pipeline for gas extraction in a mining area. The method comprises the specific steps that A, a water stop isolation strip is installed at the extending-in end of a gas guiding pipe (6); B, the extending-in end of the gas guiding pipe (6) is inserted into a mining well casing (1), the water stop isolation strip is made to be tightly attached to the mining well casing, and the length of the portion, led out of the ground, of the gas guiding pipe (6) is not smaller than 5 m; C, slurry or water is fed into the mining well casing (1) from an end port of the mining well casing (1), it is guaranteed that the depth of the slurry or the water above the water stop isolation strip is not smaller than 2 m, and then a liquid blocking layer (4) is formed; D, a flange (5) is welded to the end port of the mining well casing (1); E, the depth of the slurry or the water above the water stop isolation strip is kept not smaller than 2 m in the welding process; F, after welding of the flange, the gas guiding pipe (6) is taken out of the mining well casing (1). By the adoption of the method for welding the well ground pipeline for gas extraction in the mining area, the safety of welding of the ground well mouth pipeline is guaranteed in the presence of gas in the mining area, and the method is suitable for maintenance or refitting of the well mouth pipeline in the mining area.

The invention discloses a camera installing mechanism convenient to move. The camera installing mechanism comprises an anti-explosion protective guard, an anti-explosion professional electrical platform, a junction box, an installing support, double-rollers and slide bars, wherein the anti-explosion protective guard is arranged at the top part of the anti-explosion professional electrical platform; the bottom part of the anti-explosion professional electrical platform is located on the installing support; the front end of the anti-explosion protective guard is also provided with a windshield wiper; a fixed steel plate is also welded to the side face of the installing support; the junction box is fixedly arranged on the fixed steel plate; the two double-rollers are connected below the installing support through a connecting plate; each double-roller is clamped on the corresponding slide bar; anti-explosion flexible pipes are respectively connected between the anti-explosion protective guard and the junction box and between the anti-explosion professional electrical platform and the junction box. Through the structure, the camera installing mechanism disclosed by the invention has anti-explosion ability, and is also suitable for places with explosive mixtures; meanwhile, after the mechanism is installed, the position of the camera installing mechanism can also be changed without taking down for reinstallation, and therefore the phenomenon that the mechanism is damaged due to the fact that the mechanism is repeatedly disassembled and assembled is avoided, and the aesthetic property of the wall is kept.

The invention discloses an electric vehicle battery safety protection integrated system. The electric vehicle battery safety protection integrated system comprises a temperature information acquisition module, an electric power information acquisition module, a data receiving module, a data processing module, a master control module, a battery protection module and an alarm. The temperature information acquisition module is used for monitoring temperature information Ct of a battery of an electric vehicle in real time, the electric power information acquisition module is used for acquiring voltage fluctuation information during power supply and charging of the electric vehicle, the voltage fluctuation information during charging is Dt, and the voltage fluctuation information during power supply is Pt; and the data receiving module is used for receiving the temperature information and the voltage fluctuation information and sending the temperature information and the voltage fluctuationinformation to the data processing module, and the data processing module is used for processing the received data. According to the invention, better protection can be provided for the battery of the electric vehicle, accidents caused by an over-high temperature and an unstable voltage of the battery of the electric vehicle are avoided, and meanwhile, a user can use the system more conveniently.

The invention discloses a camera installation mechanism with the anti-explosion function. The camera installation mechanism with the anti-explosion function comprises an anti-explosion shield, an anti-explosion electrical platform, a junction box, an installation base plate, an installation support and a windshield wiper, wherein the anti-explosion shield is installed on the top of the anti-explosion electrical platform, the bottom of the anti-explosion electrical platform is installed on the installation support, and the windshield wiper is further installed on the end face of the anti-explosion shield; a fixed steel plate is further welded to the side face of the installation support, the junction box is fixedly installed on the fixed steel plate, the installation base plate is arranged on the side wall of the lower portion of the installation support, and the installation support can rotate around the connecting end of the installation base plate; anti-explosion flexible pipes are installed between the anti-explosion shield and the junction box and between the anti-explosion electrical platform and the junction box; an illumination sensor is installed on the bottom of the anti-explosion shield, multiple infrared lamps are arranged on the inner wall of the anti-explosion shield, all the infrared lamps are connected with the illumination sensor, and the illumination sensor is connected to the junction box through the anti-explosion flexible pipes. By the adoption of the structure, the camera installation mechanism has the anti-explosion capacity and is quite suitable for the places containing combustible gas or an explosive mixture of steam and air or containing combustible dust mixtures, and the excellent monitoring effect can also be guaranteed at night by the adoption of the mechanism.

The invention discloses a pressure cooker with a pressure sensor. The pressure cooker comprises a pressure cooker body and is characterized in that the gas pressure sensor is arranged in the pressure cooker body and is connected with an alarm which is disposed on the pressure cooker body through a micro processor. The pressure cooker is simple in structure, ingenious in design, reasonable in layout and capable of automatically reminding users when pressure in the pressure cooker is too large.

The invention discloses a solar photovoltaic panel with an anti-explosion protective net on the surface, which comprises a bottom plate and a mounting bin. A mounting cavity is formed in the mounting bin, two sliding grooves are formed in the two sides of the inner side of the mounting cavity, two sliding blocks are slidably connected in the two sliding grooves respectively, a photovoltaic panel body is fixedly connected between the two sliding blocks, the photovoltaic panel body comprises an aluminum alloy frame fixedly connected between the two sliding blocks, and the interior of the aluminum alloy frame is divided into a plurality of mounting notches by a plurality of aluminum alloy plates. A protective net cover is arranged in the photovoltaic panel body, a cavity is formed in the protective net cover, and heat dissipation of a battery is facilitated. A heat dissipation assembly is arranged in the mounting cavity, when the temperature of a temperature sensor reaches a threshold, a first motor is started, a fan is driven to rotate, the interior of the mounting cavity is cooled, the temperature condition of the working environment of the photovoltaic panel body is guaranteed, and potential safety hazards are further reduced. Through double protection, the phenomenon of battery explosion can be effectively avoided , and the protection performance is more comprehensive.

The invention discloses a smelting apparatus and method for smelting metal materals. The present invention discloses a smelting apparatus including a crucible for accommodating plural metal materials, a main furnace, a cooling mechanism, a mold and a burning stove. The burning stove heats the crucible such that the plural metal materials are formed as an alloy soup. The main furnace may be rotated and makes the alloy soup flow into the mold from the crucible, such that the cooled alloy soup is formed an alloy material in the mold. The main furnace has a sealing element for sealing the crucible and the main furnace that is disposed between the crucible and the main furnace. The cooling mechanism is disposed on the crucible and the main furnace and it may cool the sealing element to prevent from damage of the sealing element.

The invention discloses a multifunctional solar lamp which comprises a base and ground. The base is screwed on the ground through a fixing bolt, a sleeve is connected to the upper end of the base, a sleeve rod is sleeved inside the sleeve, an adjusting bolt is arranged on one side of the sleeve, both sides of the sleeve rod are fixedly connected with supporting rods, the bottom of each supportingrod is fixedly connected with a lampshade through a connecting block, a lamp holder is connected to the top of the lampshade, a bulb is mounted at the bottom of the lampholder, and a cooling fan is mounted at the bottom of the inside of the lampshade. A solar panel is connected with a storage battery through a wire, can convert solar energy into electric energy, is environmentally friendly, savesenergy and is free of pollution. The bulb can be cooled through the cooling fan and heat dissipation holes, bulb explosion caused by high heat is avoided, mosquitoes fly into the lampshade through theheat dissipation holes, and at this time, by arrangement of a power grid, the mosquitoes flying into the lampshade are dizzied or eliminated.