35results about How to "Realize the purpose of power generation" patented technology

The invention relates to the field of kinetic energy power generation of electric automobiles, in particular to a method. According to the method, when a spring upper automobile body with a vertical elastic system vibrates in the running process of an electric automobile, a spur rack vertically fixed in the spring upper automobile body is meshed with a gear which is arranged on another elastic vibrating body and in which a unidirectional bearing is sleeved, the elastic vibrating body is unidirectionally and synchronously driven to be subjected to forced frequency resonance or effective vibration to generate kinetic energy, and a kinetic energy power generation device arranged on the elastic vibrating body generates power by using the generated kinetic energy.

The invention relates to a generating system for improving the space utilization ratio by combining piezoelectricity and magnetoelectricity. The system consists of a generating device and an adjusting charging circuit, wherein the generating device comprises a piezoelectric part and a magnetoelectric part; when an upper shell (10) moves upwards and downwards, a piezoelectric sheet is extruded periodically to generate charges; meanwhile, coils wound on the inner wall of the upper shell are driven to move in order to cut a magnetic induction line to generate charges when the upper shell moves; in the adjusting circuit, the charges generated by piezoelectricity and the charges generated by electromagnetic induction are collected and combined, so that the output quantity of the device is increased; a novel force transmission structure is adopted in the piezoelectric part, so that the unit stress of the piezoelectric sheet is increased, and the generating quantity is increased; meanwhile, a magnetoelectric device is matched, so that the generating quantity is further increased. By adopting the generating system, the problem of small piezoelectric generating is solved; by combining the magnetoelectricity, the generating quantity and the generating efficiency are increased effectively; the generating system has the advantages of simple structure, large generating quantity, environmental friendliness and the like.

The invention discloses a rain-proof and heat-dissipating street lamp with a wind-solar complementary power generation function, which comprises a light pole fixedly arranged on a base, a connecting rod fixedly connected to the upper part of the light pole, and a lamp cap fixedly connected to the other end of the connecting rod. The lamp holder includes a housing, the housing is composed of a cuboid part and a hemispherical part, the cuboid part and the hemispherical part are separated by an intercepting net, a bracket is arranged inside the cuboid part, and several LED lights are arranged on the lower side of the bracket, and the bracket The upper side is fixedly connected with a cooling fin; the top side wall of the hemispherical part is provided with ventilation holes, and the top of the hemispherical part is provided with a hinge. The beneficial effect of the invention is that the LED lamp will generate more heat when it is working, if this part of the heat cannot be dissipated in time, it will affect the service life of the LED lamp, and the heat dissipation fins are used to conduct the heat out to achieve good heat dissipation Effect; the arc-shaped arc-shaped fins make the contact area between the heat sink and the air larger, further improving the heat dissipation effect.

An energy-saving power-generation street lamp with an adjustable illumination angle comprises a lamp pole fixedly arranged on a base. The upper portion of the lamp post is fixedly connected with a connecting rod, the other end of the connecting rod is fixedly connected with a lamp holder which comprises a shell, the shell is composed of a cuboid portion and a hemisphere portion which are separatedthrough an intercepting net, a support is arranged inside the cuboid portion, a plurality of LED lamps are arranged on the lower side of the support, and the upper side of the support is fixedly connected with a cooling fin; a ventilation hole is formed in the side wall of the top of the hemisphere portion, and a hinge is arranged at the top of the hemisphere portion. The energy-saving power-generation street lamp has the advantages that the LED lamps can generate a lot of heat during working, service life of the LED lamps can be affected if the heat cannot be timely dissipated, and the cooling fin is utilized to transmit the heat out to realize good cooling effect; the arc-shaped fin enables contact area of the cooling fin and air to be greater, so that cooling effect is improved further.

The invention relates to the technical field of new energy developing, and discloses a power generation device. According to the power generation device, a Stirling engine is adopted for converting heat energy into acoustic energy, impedance is adjusted through a phase adjusting mechanism, the bothway turbine power generation device is used in a matched manner to convert the acoustic energy into mechanical energy for power generation, and therefore the aim of heat energy power generation is achieved. The bothway turbine power generation device has the beneficial effects of being simple in structure, good in power expandability and high in economical efficiency. Through cooperation with the free piston Stirling engine which is high in efficiency and long in service life, a Stirling power generation system is more economical and reliable.

The invention discloses a tidal current energy power generation device. The problems that at present, tidal current energy power generation power is small, efficiency is low and tidal current energy with small flowing speeds basically cannot be utilized are mainly solved. According to the tidal current energy power generation device, energy generated by low-layer seawater tidal movement is used for driving surface-layer static seawater to move so as to push impellers to rotate, and the power generation purpose is achieved; and the characteristics of fluid in fluid mechanics are fully utilized,and conditions are created for the human to utilize the ocean energy on a large scale.

The invention provides a multi-element combined wind power generation device capable of achieving the intelligent control over expansion and shrinkage. The multi-element combined wind power generationdevice capable of achieving the intelligent control over expansion and shrinkage can capture any wind speed resources and achieve all-weather power generation and is characterized in that a sphericalwind wheel internally provided with a blade expansion structure which is composed of upper blade and lower blade connecting shafts, a lower slider, an intelligent expansion sensor, an upper slider, blade expansion push rod, slider pins and an intelligent shrinkage sensor. Because an intelligent expansion and shrinkage control blade structure controls blades to expand or shrink along the change ofthe wind speed, the multi-element combined wind power generation device capable of achieving the intelligent control over expansion and shrinkage is a unique global wind power generation technology which is not affected by wind speed, not limited by wind direction and not limited by regions in use.

The invention discloses a vertical shaft type low-speed magnetic levitation multistage generator, which comprises power generation mechanisms and a vertically arranged rotating shaft, and is characterized in that the power generation mechanism sequentially comprises a bottom fixed disc, a rotating disc and a top fixed disc which are coaxially arranged from the bottom up, the rotating shaft sequentially penetrates through the top fixed disc, the rotating disc and the bottom fixed disc, the rotating shaft is fixedly connected with the rotating disc, and the rotating shaft is rotatably connected with the top fixed disc and the bottom fixed disc; a purpose that power generation can still be realized under a low-speed condition is achieved through a structure form of one-support-three in which a first coil winding and a second coil winding are respectively set at the upper part and the lower part of each excitation magnet and third coil windings are set at the periphery of the rotating disc; and one the other hand, the rotating shaft simultaneously drives a plurality of power generation mechanisms to generate power, so that a purpose of power generation can also be realized under a lower-speed condition.

The invention discloses a vehicle-mounted wind power generating device, comprising a wind groove (1), a wind wheel (3), a transmission device (5) and a motor (11); the wind groove (1) is fixedly mounted on a support (2); a shaft (7) is mounted in the middle of the wind wheel (3); two ends of the shaft (7) are fixed on a shaft seat (8); the wind wheel (3) is fixedly connected with the transmission device (5) connected with the motor (11); the wind wheel (3) is arranged below the wind groove (1); blades (4) are arranged at the periphery of the wind wheel (3). The vehicle-mounted wind power generating device is high in power generating efficiency, simple in structure, safe, environment-friendly, reliable and practical.

The invention discloses a field power generation device. The field power generation device comprises Stirling generators and further comprises a honeycomb-shaped heat conduction assembly connected with the hot ends of the Stirling generators and a supporting tower connected with the honeycomb-shaped heat conduction assembly and used for gathering heat energy to the honeycomb-shaped heat conduction assembly so as to supply heat energy to the Stirling generators. A heat conduction channel is arranged in the honeycomb-shaped heat conduction assembly, and at least one end of the heat conduction channel is located on the peripheral part of the honeycomb-shaped heat conduction assembly so that the hot ends of the Stirling generators can be inserted. According to the provided field power generation device, the Stirling generators are utilized as a power generation body, cooperation of the honeycomb-shaped heat conduction assembly and the supporting tower is adopted, heat energy can be provided after combustion of firewood in the field environment, the supporting tower can concentrate flames generated after combustion of the firewood so that the honeycomb-shaped heat conduction assembly can be heated, and heat energy utilization is achieved. The device is simple in structure and convenient to install, meanwhile, the multiple Stirling generators can be installed at the same time, the power generating efficiency is high, and the using effect is good.

The invention discloses a self-excitation device for a 5KW power-generation welding machine. The self-excitation device comprises permanent magnets mounted on a rotor and an auxiliary winding arranged on the rotor, wherein the permanent magnets are arranged on the rotor in bilateral symmetry. Magnetic fields are generated through the permanent magnets mounted on the rotor, and currents are generated by using the auxiliary winding arranged on the rotor to cut magnetic lines of force in a rotating process of the rotor, thus the aim of power generation is realized. The self-excitation device for the 5KW power-generation welding machine disclosed by the invention has the advantages of low cost and difficulty to be in fault.

The invention discloses a high-temperature resisting perpetuum mobile type hydroelectric generation exhausting robot. The high-temperature resisting perpetuum mobile type hydroelectric generation exhausting robot comprises a chassis cabin, caterpillar band walking mechanisms and a hydroelectric generation exhausting device arranged on a top plate of the chassis cabin. The hydroelectric generation exhausting device comprises a draught fan, a water turbine and a generator. The free ends of two water pipe female heads of the water turbine are internally provided with the free ends of water pipe male heads in a matched manner and connected with the free ends of water pipe male heads through rotating shaft screws in a hinged manner, and the rotating shaft screws are symmetrically arranged vertically. Atomizing spray heads are evenly arranged on a shell of the water turbine in the circumferential direction and communicated with the shell of the water turbine through atomizing amount adjusting valves. A water turbine impeller in the shell of the water turbine is installed at one end of a water turbine shaft, the other end of the water turbine shaft sequentially penetrates a generator installing plate and a drive wheel and then is connected with one end of a draught fan shaft in a shell of the draught fan, and the other end of the draught fan shaft is sleeved with a draught fan impeller. A rotating shaft of the generator penetrates the generator installing plate and then is sleeved with a driven wheel, and the drive wheel and the driven wheel are connected through a belt. The high-temperature resisting perpetuum mobile type hydroelectric generation exhausting robot is high in obstacle crossing ability, good in exhausting effect and capable of achieving hydroelectric generation.

The invention discloses a power generating airbag device, comprising: at least one double-layer airbag part, which includes an inner layer airbag and an outer layer airbag, and a sealed first space is formed between the outer layer airbag and the inner layer airbag; The airtight second space; the inner layer airbag is provided with a friction generator, which includes: a first substrate, the second side surface of the first substrate is provided with a first electrode layer; the second substrate, the second substrate of the second substrate The second side surface is provided with a second electrode layer; wherein, the first electrode layer is further provided with a first polymer insulating layer, and / or, the second electrode layer is further provided with a second polymer insulating layer , the first electrode layer and the second electrode layer serve as the electrical energy output terminals of the triboelectric generator. The present invention also discloses an airbag power-generating shoe using the above-mentioned power-generating airbag device. The power-generating airbag device is arranged in the sole of the airbag power-generating shoe, or the power-generating airbag device is cushioned on the insole of the airbag power-generating shoe.

The invention relates to an independent system circulating power generation and energy storage device which has the connecting way of a storage battery (1)- a charge-discharge controller unit (2)- a driving motor (3)- a connector (4)- a reduction gear (5)- a connector (6)- a speed-increasing gearbox (7)- a connector (8)- a cross planetary connecting shaft (9)- an electric generator (10)- a voltage rectifier control unit (11)- a grid connection terminal and user terminal (12). The device has wide application scope, can be merged into power network and can directly and independently supply power for the user; the device shows the essence of green electricity in deed, does not need to select geographical environment, is low in manufacturing cost and easy to manage and maintain, and also can be installed on various land and water vehicles to be taken as a power source; the generated voltage is stable and reliable without flash and harmonic wave phenomena, and the device has the remarkable advantage of constant speed synchronous power generation.

The invention discloses a tidal power generation device. The problem that the high tidal fall is required by tidal energy power generation is solved. The tidal power generation device comprises a dambody; the interior of the dam body is hollow, and the two sides of the dam body are provided with a water feeding pipeline and a gate; a water inlet of the water feeding pipeline is located below thesea level, and the dam body is internally provided with a water discharging pipeline connected with the water feeding pipeline; and a power generation unit is arranged in the water discharging pipeline, and an opening and closing device is arranged on the water feeding pipeline. Through the characteristic that the velocity ratio is achieved through the fluid cross-sectional area ratio in the siphon principle and the Bernoulli principle, the purpose that a fluid moves in the pipelines at a high speed to push an impeller of the power generation unit to rotate to achieve power generation is achieved, a large amount of tidal energy which cannot be utilized currently is developed and utilized, and conditions are created for large-scale application of ocean energy.

The invention relates to the technical field of battery car energy recovery, in particular to a battery car speed reduction energy recovery system which comprises an axle, one end of the axle is rotationally connected with a wheel, a brake disc is arranged on one side of the wheel, a brake hub is arranged on the side, away from the wheel, of the brake disc, first generators are arranged at the top and the bottom of the side, away from the brake disc, of the brake hub, and an energy recovery device is rotationally connected to the side, away from the wheel, of the axle. According to the battery car speed reduction energy recovery system, by arranging the brake hub, the brake disc, a rotating shaft, the first generator and other structures, the power generation function of the first generator can be achieved, and then the purpose of battery car speed reduction energy recovery is achieved. By arranging the axle, a circular truncated cone, a movable block, a telescopic spring, a connecting column, an arc-shaped block, the rotating shaft, a second generator and other structures, the purpose of power generation of the second generator can be achieved, and therefore the purpose of speed reduction energy recovery of the battery car can be achieved.

The invention relates to the technical field of new energy developing, and discloses a power generation device. According to the power generation device, a Stirling engine is adopted for converting heat energy into acoustic energy, impedance is adjusted through a phase adjusting mechanism, the bothway turbine power generation device is used in a matched manner to convert the acoustic energy into mechanical energy for power generation, and therefore the aim of heat energy power generation is achieved. The bothway turbine power generation device has the beneficial effects of being simple in structure, good in power expandability and high in economical efficiency. Through cooperation with the free piston Stirling engine which is high in efficiency and long in service life, a Stirling power generation system is more economical and reliable.

The invention discloses a field power generation device. The field power generation device comprises Stirling generators and further comprises a honeycomb-shaped heat conduction assembly connected with the hot ends of the Stirling generators and a supporting tower connected with the honeycomb-shaped heat conduction assembly and used for gathering heat energy to the honeycomb-shaped heat conduction assembly so as to supply heat energy to the Stirling generators. A heat conduction channel is arranged in the honeycomb-shaped heat conduction assembly, and at least one end of the heat conduction channel is located on the peripheral part of the honeycomb-shaped heat conduction assembly so that the hot ends of the Stirling generators can be inserted. According to the provided field power generation device, the Stirling generators are utilized as a power generation body, cooperation of the honeycomb-shaped heat conduction assembly and the supporting tower is adopted, heat energy can be provided after combustion of firewood in the field environment, the supporting tower can concentrate flames generated after combustion of the firewood so that the honeycomb-shaped heat conduction assembly can be heated, and heat energy utilization is achieved. The device is simple in structure and convenient to install, meanwhile, the multiple Stirling generators can be installed at the same time, the power generating efficiency is high, and the using effect is good.

The invention relates to a small generator, and the small generator is characterized by comprising a first permanent magnet and a second permanent magnet. A first magnetic conductive sheet and a second magnetic conductive sheet are respectively mounted on the upper and lower surfaces of the first permanent magnet; a third magnetic conductive sheet and a fourth magnetic conductive sheet are installed on the upper surface and the lower surface of the second permanent magnet, the four magnetic conductive sheets extend out of the end face of the permanent magnet, a first limiting area is formed between the first magnetic conductive sheet and the second magnetic conductive sheet, and a second limiting area is formed between the third magnetic conductive sheet and the fourth magnetic conductivesheet. The beneficial effects of the small generator are that the magnetic conductive sheets are in alternate contact with the power generation sheets, the upper connecting sheets and the lower connecting sheets, thereby changing the direction of a magnetic field entering a power generation coil, generating an induction current in the power generation coil, achieving the purpose of power generation, and being simple in operation and small in size.

The invention discloses a power generation apparatus which includes an escapement mechanism and a power generation mechanism. The escapement mechanism includes a fixing frame and a vibration system which is in movable connection to the fixing frame. The power generation mechanism includes a coil and a magnetic member. The magnetic member is in fixed connection to the vibration system. The coil is in fixed connection to the fixing frame. The magnetic member extends to the coil and the magnetic member and the coil cooperate to perform axial reciprocating movement, such that by combining the escapement mechanism and the power generation mechanism, the power generation mechanism transforms kinetic energy generated by the escapement mechanism to electric energy, which achieves the purpose of power generation. Since the small escapement mechanism greatly reduces the size of the power generation apparatus, the power generation apparatus is much easier to carry, and the ongoing movement of the escapement mechanism and high rate of transformation contribute to high generation power. At the same time, since the manufacturing technology of the escapement mechanism is mature and stable, the implementation cost of the power generation apparatus is greatly reduced and the power generation apparatus is more stable.

The invention discloses an efficient electricity generation floor tile and belongs to an energy-saving environment-friendly field. The efficient electricity generation floor tile comprises a magnetic conduction top seat and a magnetic conduction bottom seat, wherein a light-transmitting floor tile is installed at the upper end of the magnetic conduction top seat; a number one magnetic conduction ring is installed at inside middle; a number two magnetic conduction ring is installed under the number one magnetic conduction ring; a permanent magnet is installed on the bottom of the magnetic conduction bottom seat; a magnet focusing body is installed above the permanent magnet; an upper magnet focusing plate is arranged above the magnet focusing body; a column body part is arranged at the middle of the magnet focusing body; and a lower magnet focusing plate is arranged under the magnet focusing body; the middle column body part of the magnet focusing body is wound by a magnetic induction coil; a lithium solar panel is arranged above the upper magnet focusing body; an LED (light-emitting diode) lamp panel is arranged above the lithium solar panel; and a photosensitive switch and a pedal switch are arranged on the LED lamp panel. According to the efficient electricity generation floor tile, a traditional power-wasting electricity generation way of using the magnetic induction coil to cut a magnetic induction line is changed, the purpose of generating electricity through using a force of a foot passenger stepping the light-transmitting floor tile to subtly control opening and closing of an internal magnetic access of the floor tile so as to change the magnetic flux is achieved. The device is simple to manufacture, low in construction cost, high in reliability, and strong in practicability.

The invention discloses a completely sealed circulating power generation system for low-grade heat energy. The completely sealed circulating power generation system is characterized in that an evaporating plant, an expander, a condensing plant and a circulating pump are sequentially connected to form a working medium circulating power generation main loop, intermediate media are injected into the working medium circulating power generation main loop, the system further comprises a current-limiting device, a storage tank, a separating device and a reinjection device which are sequentially connected, the current-limiting device is mounted at a power output end of the expander, an output end of the reinjection device is connected with the working medium circulating power generation main loop through a pipeline to form a leaked working medium reinjection loop, and a power generator is connected with the power output end of the expander through a gear case. The invention further discloses a completely sealed circulating power generation method for the low-grade heat energy. As the intermediate media are circulated in the completely sealed loop, the low-grade heat energy is converted into electric energy, and the problems of increase of operating cost, reduction of reliability, environmental pollution and the like due to leakage of the intermediate media can be avoided.

The invention relates to a magnetic induction generator for a natural gas pipeline network. The magnetic induction generator comprises a rotor unit and a stator unit which are correspondingly arrangedinside and outside a natural gas pipeline, wherein the rotor unit comprises a center shaft and a cylinder; the center shaft is fixedly connected with the natural gas pipeline vertically; the cylinderis connected with the center shaft through a bearing structure; a plurality of first magnetic blades and second magnetic blades, which are distributed at intervals are fixed on the cylinder along theperipheral direction and the first magnetic blades and the second magnetic blades are alternately arranged; the inner ends and the outer ends of the first magnetic blades correspondingly are N polesand S poles; the inner ends and the outer ends of the second magnetic blades correspondingly are S poles and N poles; the stator unit comprises a first iron core and a first coil; the first iron coreis arranged corresponding to one end of the cylinder; the first coil is wound on the first iron core; and the center line of the first coil is vertical to the axis of the natural gas pipeline. The magnetic induction generator has the advantages of being simple in structure, large in generating capacity and high in security, and the combustion-explosion risk can be effectively avoided.

The invention discloses a high-temperature steel slag waste heat recovery device. The high-temperature steel slag waste heat recovery device comprises a machine body and supporting legs, wherein a water tank is fixedly installed in the middle of the interior of the machine body, a plurality of sets of discharging pipelines are evenly installed on the surface of the top of the water tank, and a plurality of sets of material baffles are evenly installed on the surfaces of the two sides of the interior of each discharging pipeline in a crossed mode through rotating shafts. According to the high-temperature steel slag waste heat recovery device, Laval spray pipes, steam turbines and generators are adopted, in the using process, high-temperature steel slag falls into waste heat mechanisms, then heat is transmitted to heat radiation plates to heat water in the water tank, water steam is generated, and the generated water steam can only move upwards to be discharged out of the device due to sealing of the device; and in the steam moving process, the speed of steam can be increased through the Laval spray pipes, the steam turbines can be impacted at a higher speed so that the steam turbines can drive the generators to operate, the purpose of steam power generation is achieved, the utilization rate of resources is increased, and the device has the advantage of being high in resource utilization rate.

The invention provides power generation equipment, and relates to the technical field of power generation equipment. The power generation equipment comprises a generator and an air pressure adjustingassembly; the generator is connected with a pneumatic assembly driving an input shaft of the generator to rotate, and the pneumatic assembly is connected with the air pressure adjusting assembly adjusting the air pressure of the pneumatic assembly; the air pressure adjusting assembly comprises an air pressure adjusting box, and an independent acting well and a buoyancy well containing water are arranged in the air pressure adjusting box in the transverse direction; an upper transverse pipeline communicating with the acting well and the buoyancy well is arranged on the upper side in the air pressure adjusting box, a lower transverse pipeline communicating with the acting well and the buoyancy well is arranged on the lower side in the air pressure adjusting box, and half-empty free bodies are arranged in the upper transverse pipeline and the lower transverse pipeline and matched with the upper transverse pipeline or the lower transverse pipeline in a piston mode; and pushing assemblies are arranged in the buoyancy well opposite to the upper transverse pipeline and the acting well opposite to the lower transverse pipeline, and lever acting assemblies matched with the half-empty free bodies are arranged in the acting well. The power generation equipment can achieve the purpose of power generation without adopting non-renewable energy sources.

The invention discloses a temperature difference auxiliary power generation system. The temperature difference auxiliary power generation system comprises a supporting module, a conversion module andan evaporation module, wherein the supporting module comprises a bottom plate, a wall body, a heat absorption plate, a temperature conduction plate, an outer machine, an inner machine, a temperature conduction block and a refrigeration diode piece. According to the temperature difference auxiliary power generation system, the evaporation module is arranged, so that rainwater can be collected, water in an evaporation barrel can be evaporated by utilizing the irradiation of the sun in summer, and then steam is used for pushing a turbine to generate electricity; the supporting module is arranged,so that the characteristic of the indoor and outdoor temperature difference can be utilized, the temperature difference is generated on the two sides of the refrigeration diode piece, then the refrigeration diode piece generates current, and then the purpose of power generation is achieved; and the conversion module is arranged, so that direct current generated by the refrigeration diode piece can be converted into required alternating current, and then the compatibility of the device in use is improved.

The invention relates to a magnetic liquid extrusion type power generation module, and belongs to the field of micro power generation. The invention provides a magnetic liquid extrusion type micro power generation structure which is suitable for daily life and autonomously generates power along with human activities. According to the technical scheme, the magnetic liquid extrusion type power generation module comprises a base body and power generation units, and the power generation units are fixed to the base body; each power generation unit comprises a permanent magnet block, a power generation coil and magnetic liquid, wherein a magnetic induction line between the permanent magnet block and the magnetic liquid penetrates through the power generation coil, the magnetic liquid is arranged in a space with a variable shape, and when the magnetic liquid changes along with the shape of the space, the magnetic flux of the power generation coil changes along with the change of the shape of the space.

The invention discloses a power generation and water purification apparatus. The apparatus comprises a shell, a power generation apparatus and a filtration apparatus, wherein the shell is provided with an upper joint and an outlet, the power generation apparatus comprises a split gear and a main body, a first magnet is arranged in the gear and rotates with the gear, the main body is provided witha movable rotor and a fixed coil, the rotor is a conductor, a second magnet is arranged in the rotor and rotates with the rotor, the interior of the shell is equipped with an ion generator and / or ozone generator driven by the power generation apparatus, the ejection end of the ion generator and / or ozone generator communicates with a channel, the filtration apparatus comprises a connecting head part and a filtration part, the connecting head part is equipped with a pipe body, two ends of the pipe body are respectively provided with a water inlet and a water outlet, a filtration cavity is formedin the shell, a filtration mesh skeleton is arranged in the filtration cavity, and a water inlet space is formed between the outer wall of the filtration mesh skeleton and the inner wall of the filtration cavity. The apparatus has compact structure and relatively small occupation volume, can perform impurity removal and filtration treatment on water, and can remove pesticides on the surface of vegetables and fruits, and kill bacteria on the surface of toys and the like.