106results about How to "Realize the purification function" patented technology

The invention discloses an integrated type ecological floating bed and the water body ecological system repairing technology thereof. A physical space of the integrated type ecological floating bed is formed by constructing a floating bed, a sinking bed, a buoyancy adjusting bottle, a lifting chain and an ecological barricading net, and integrates ecological components such as indigenous emergent aquatic plants, submerged plants, attached aquatic plants, fishes, snails and biochemical zeolite. The ecological behaviors of the ecological components are in linear cause and effect relation. The ecological components and organisms in the physical space form a semi-enclosed ecological subsystem with integral completeness. The upper line and the water body ecological system to be repaired are strong in coupling capability, and ecological factors in the lower line can exist stably. The damaged water body ecological system sufferring from one or a plurality of types of pollutions including water body eutrophication, heavy metal pollution, organic pollution and the like can be repaired by building pioneer communities and utilizing self-cleaning capability of the ecological system, pollution is removed, integral restoration or rebuilding of the damaged water body ecological system is promoted, simultaneously environment is beautified, and ecological deterioration of a healthy water body can be prevented.

Provided is an in-car air quality monitoring and purification regulating system. A storage battery and three devices respectively powered by the storage battery are installed in a car. The three devices are a ventilating device, an adsorption and filtering device and a heating device. A temperature and humidity sensor, a formaldehyde sensor, a carbon monoxide sensor, a total volatile organic compound sensor and an inhalable particle sensor which are installed in the car are respectively connected with a system control module, and the system control module comprises a sensor signal processing circuit and a power supply on-off control circuit for the three devices. The system can monitor indexes such as in-car air quality and temperature and humidity in real time and start the three devices according to the index overproof conditions; the indexes can also be uploaded through the wireless network to a mobile by the system control module to be displayed in real time; the mobile phone can send instructions to the system control module according to users' requirements to start or shut down the three devices in real time, and purification adjustment of in-car air is achieved.

The invention relates to a warming apparatus with a humidifying function, which comprises a shell, a heating device, an air channel and a fan, wherein the shell is provided with an air inlet and an air outlet; the air channel is arranged in the shell and is communicated with the air outlet; and the fan sucks the air from the air inlet and sends the air heated by the heating device to the air channel. The warming apparatus is characterized in that: the warming apparatus also comprises humidifying equipment; the air outlet comprises a first air outlet for sending out hot air and a second air outlet for sending out the humidified hot air; the air channel comprises a hot air channel communicated with the first air outlet and a humidified air channel communicated with the second air outlet; and the humidifying equipment is arranged in the humidified air channel. Compared with the prior art, the warming apparatus has the advantages of achieving double effects of warming and humidifying by making the hot air pass through the first air outlet and the humidified air pass through the second air outlet, realizing double purposes of one machine, and having high comprehensive utilization of the energy.

The invention discloses an air conditioner with an air-conditioning function and a purifying function. The air conditioner with the air-conditioning function and the purifying function comprises a shell, wherein an air adjusting inlet, an air purifying inlet and an air supply outlet are formed in the shell; the air adjusting inlet is provided with an air adjusting module opening baffle; the air purifying inlet is provided with an air purifying module opening baffle; the baffles are electric baffles which are respectively connected with an electric actuator; a heat exchanger is arranged in the shell and is opposite to the air adjusting inlet; by using the heat exchanger, indoor air enters the heat exchanger, and is subjected to heat exchanging; a purifying module is arranged in the shell and is opposite to the air purifying inlet; the indoor air enters the purifying module and is filtered; an air inlet of a cross-flow fan arranged in the shell is positioned in a flowing channel for air flowing from the heat exchanger and air flowing from the purifying module; and the air supply outlet in the shell is positioned in an air flowing channel of an air outlet of the cross-flow fan. By using the air conditioner, the air-conditioning function or the purifying function is fulfilled, and the efficiency is high.

The invention belongs to the field of household garbage pre-treatment, and particularly relates to environmental protection and deodorization equipment for a household garbage transfer station. The environmental protection and deodorization equipment for the household garbage transfer station can purify odor, facilitate garbage disposal, and prevent microorganism from breeding, and comprises a base, a fixed plate, a top plate, rotating shafts, fixed links, a garbage can, a lifting device, a gas-collecting hood, an odor treatment device, an exhaust fan, and the like; and the fixed plate is arranged on the left side of the top of the base, a square groove is formed in the middle portion of the fixed plate, the fixed links are arranged on the front side and the back side of the middle portion of the right wall of the fixed plate correspondingly, and the rotating shafts are arranged on the middle portions of the two fixed links correspondingly. The environmental protection and deodorization equipment for the household garbage transfer station achieves the effects of purifying the odor, facilitating garbage disposal, and preventing the microorganism from breeding, and is novel in structure, environment-friendly, and beneficial to the construction of urban and rural garbage transfer stations.

The invention provides an efficient waste gas purification treatment device belonging to the technical field of environmental protection. The efficient waste gas purification treatment device comprises a treatment tank, a washing dust removal device, an adsorption tank and a cooling tank, wherein dust removal plates are arranged at the left side and the right side of an inner cavity of the treatment tank in an inclined and staggered manner by virtue of mounting blocks; a secondary dust removal screen is arranged at the upper side of the inner cavity of the treatment tank; the adsorption tank is fixedly arranged at the left side of the upper surface of a mounting plate, the lower end of the left side of the adsorption tank is connected with the cooling tank by virtue of an air delivery pipe, the upward side of the left side of the cooling tank is connected with a three-way connecting valve by virtue of an exhaust pipe, and an air outlet pipe is arranged at the upper end of the three-wayconnecting valve. The efficient waste gas purification treatment device provided by the invention has the advantages that the left end of a water pump is connected with a first water spraying pipe and a second water spraying pipe by virtue of a water pipe, so that the efficient waste gas purification treatment device has a function of carrying out washing dust removal on waste gas; activated carbon adsorption plates are arranged in the inner cavity of the adsorption tank in a staggered manner, so that the efficient waste gas purification treatment device has a function of carrying out adsorption treatment on the waste gas; and the efficient waste gas purification treatment device has the characteristics of simple production process, strong practicability and good waste gas purifying effect.

The invention discloses a combined oil mist purifying unit of an air conditioner. The combined oil mist purifying unit comprises an air return filtering part and a fresh air conveying part, wherein the oil return filtering part is used for performing suction filtering on air in a workshop and filtering oil mist particles and comprises an air return section, an oil mist filtering section, a peculiar smell purifying section, an air return fan section and an exhaust regulating section which communicate in sequence; the fresh air conveying part is used for feeding clean fresh air into the workshop and regulating the temperature of the air, and comprises a fresh air regulating section, an air filtering section, a temperature adjusting section, an air feeder section and an air feeding section which communicate in sequence; the exhaust regulating section and the fresh air regulating section communicate by an air mixing valve; and an exhaust valve and a fresh air valve are jointly arranged on a thermal recovery section. According to the combined oil mist purifying unit disclosed by the invention, by organically combining oil mist purification and the air conditioner, exhausting and thermal recovery can be realized; in addition, no cross contamination exists in the fresh air and the exhausted air; and the temperature and the air volume can be adjusted according to the technological requirements. The combined oil mist purifying unit has the functions of utilizing waste heat of the unit and purifying waste gases, and has the advantages of safety, reliability, reduction of pollution, convenience in technological operation and high degree of automation.

The invention discloses a dustbin with purification function, which comprises a box body, a base and a top cover, a crushing box and a storage box are arranged in the box, a motor is arranged above the top cover, and a motor is arranged below the motor There is a knife shaft and extends downwards into the crushing box, the front end of the knife shaft is fixed with a crushing knife, the bottom of the crushing box is provided with a discharge port, and a storage box is provided below the discharge port. The storage box is provided with a thrust plate, the left side of the thrust plate is provided with a driving device, the right side of the storage box is provided with an air extractor, and the storage box is provided with an air outlet, the air outlet and the suction The air machine is connected, the right side of the bottom of the storage box is provided with a discharge door, the base is provided with a water outlet pipe, and the left side of the storage box is provided with a water tank. The dustbin with the purification function provided by the invention realizes the purification function of the garbage and reduces the pollution of the household environment by the garbage.

The invention discloses an air conditioner indoor unit and an air conditioner. The air conditioner indoor unit comprises a shell, a water spraying pipe and a drive device. The water spraying pipe is rotationally arranged in the shell and provided with a plurality of water spraying holes. The drive device is connected with the water spraying pipe and drives the water spraying pipe to rotate. The air conditioner indoor unit provided in the technical scheme has the function of automatic cleaning.

The invention discloses ecological concrete which comprises 1,400-1,500Kg of aggregate, 150-300Kg of sand, 250Kg of cement, 5L of an additive and 67.5-110L of water, wherein the cement is P.gO 42.5-grade common Portland cement; the sand is natural river sand with the fineness modulus of 2.46 and the bulk density of 1,489kg / m<3>; the aggregate is obtained by processing natural stone, and the particle size of the aggregate is 5-16.5mm; the additive consists of the following materials in parts by weight: 5.10 parts of calcium carbonate, 40.50 parts of silicon powder, 5.8 parts of lignin sulfuric acid, 1.3 parts of an early strength agent, 0.3.0.4 part of a water retaining agent and 0.01.0.02 part of an air entraining agent; the early strength agent is sodium nitrite; a water reducing agent is a polycarboxylic ether high-efficiency water reducing agent; the water retaining agent is polyacrylamide; and the air entraining agent is sodium dodecyl benzene sulfonate. In the invention, through the permeability and water holding and purifying functions of permeable ecological concrete as well as the adaptability of plant-growing ecological concrete to the treatment of micro-polluted water (rainwater), the functions of rainwater collection and artificial wetland purification are realized.

The invention relates to an air water making, humidifying and purifying integrated device and a control method thereof. Dust particles in external air are filtered out through an air filtering net, air arrives at a condenser, condensate water making is carried out, and water enters a lower water tank. Meanwhile, a control unit controls an ultrasonic humidifier to work according to information fed back by a humidity sensor, air humidified through the ultrasonic humidifier is further purified through a negative-ion generator, and the humidified clean air is exhausted through an air outlet pipeline; water in the lower water tank flows through a multi-stage filtering device through pressurizing of a booster pump, the flowing water is adsorbed and filtered, noxious bacteria harmful to the human body in water are removed through an ultraviolet sterilization lamp, and then water arrives at an upper water tank; interrupted sterilization can be carried out on non-drinking water in the upper water tank through an ultraviolet sterilization lamp in the upper water tank, and it is guaranteed that the water tank stores the active and fresh water. The air water making, humidifying and purifying integrated device has the beneficial effects that the air humidifying and purifying functions are achieved, and a user can breathe fresh air while drinking sweet and pure portable water.

The invention belongs to the technical field of conference service, and particularly relates to an indoor humidifying device with an air purifying function for conference service. The indoor humidifying device aims to solve the problems that the design structure is simple, the air purification function is not provided, and the humidification effect is not good. The indoor humidifying device comprises a shell, wherein an air inlet is formed in the bottom of the inner wall of one side of the shell, and a first dustproof mesh plate is connected to one side of the inner wall of the bottom of the air inlet by a fastening bolt; a first fan is connected to the other side of the inner wall of the bottom of the air inlet by a fastening bolt, and a same diaphragm plate is connected to the middle positions of the inner walls around the shell by fastening bolts; and two second sliding slots are formed in the middle position of the bottom of the diaphragm plate and the middle position of the innerwall of the bottom of the shell. The indoor humidifying device enlarges the space and effect of indoor humidification, the shell is prevented from knocking down an obstacle when moving, the function of air purification is realized, the replacement and clamping of a filter element are convenient, and therefore the efficiency of indoor humidification is improved.

The invention relates to the field of the illumination lamp, in particular to a breathing environment-friendly solar street lamp with an air purification function. The breathing environment-friendly solar street lamp comprises a lamp pole, a lamp body, a solar panel, a storage cell box, a control chip assembly and a respirator, wherein the solar panel is arranged on the top of a storage cell; the storage cell box is arranged on the top end of the lamp pole; the lamp body and the respirator are symmetrically installed on two sides of the lamp pole; and the lamp pole is provided with a control chip assembly. The street lamp can be used for illuminating and beautifying the city and has an air purification function. The air purification function of the street lamp is realized by the three-dimensional electrode technology, hydrocarbon in air can be mineralized, nitrogen dioxide and sulfur dioxide are adsorbed and oxidized into a nitrate and a sulfate radical, meanwhile, oxygen is released from electrolysed water, and the air quality is effectively improved.

The invention discloses a multifunctional dust collector. The dust collector comprises a first shell, an inner cavity of the first shell is hollow, two groups of symmetrical rollers are connected withthe bottom of the first shell, an air compressor, a first motor, a second motor and a third motor are connected with the top wall of the first shell in the horizontal direction in sequence, one sideof the first motor, one side of the second motor and one side of the third motor are fixedly connected with a first rotary shaft, a second rotary shaft and a third rotary shaft respectively, the firstrotary shaft and the third rotary shaft are connected to the rollers, and a first transmission belt and a second transmission belt are arranged at the connection positions of the first and second rotary shafts and the rollers respectively. The second rotary shaft penetrates through the bottom wall of the first shell, a dust collection plate is fixedly connected with the end, away from the secondmotor, of the second rotary shaft, and a first through hole is formed in the dust collection plate. The multifunctional dust collector is simple in structure and convenient to operate, the functions of purifying air and wetting air are achieved, and the situation that the dust collector is damaged because of sucking wet air is avoided.

The invention discloses a portable purification dehumidifier which comprises an air outlet channel, a humidification device, a dehumidification device, a purification device, a dust removal device anda bottom movable device. The humidification device, the dehumidification device, the purification device and the dust removal device are arranged around the air outlet channel, the humidification device comprises a humidification device tank, a humidification cavity is arranged in the humidification device tank, a humidification air blowing opening is formed in the right side of the humidification cavity, a water tank table is fixedly mounted on the bottom wall of the humidification cavity, a water inlet which is perforated through the humidification device tank is formed in the rear side ofthe humidification cavity, an oscillation sheet mounting hole is formed in the water tank table, an ultrasonic oscillation sheet is fixedly mounted in the oscillation sheet mounting hole, a water tankis slidably mounted on the water tank table, a water storage cavity is arranged in the water tank, a water inlet and outlet combination is formed in the top wall of the water storage cavity, a watertank handle is fixedly arranged on the water tank, a second humidification air inlet is formed in the left side of the humidification cavity, a first humidification air inlet is formed in an end surface of the left side of the humidification device tank, and the first humidification air inlet and the second humidification air inlet are communicated with the air outlet channel.

The invention discloses an air conditioner indoor unit and a control method thereof and relates to the technical field of air conditioners. Under a condition that a relatively small space is occupied,the air conditioner indoor unit can simultaneously realize an air ventilation function and a purification function; meanwhile the air conditioner indoor unit can also realize an air ventilation function only. The air conditioner indoor unit comprises an air conditioner indoor unit housing and a fresh air purifying module which is arranged inside the air conditioner indoor unit housing; the freshair purifying module comprises a fresh air channel, a purified air channel and an air guide channel; a draught fan is arranged inside the air guide channel; the air guide channel comprises a first opening and a second opening; the first opening communicates with the inside of a room through the purified air channel and communicates with the outside of the room through the fresh air channel; the second opening communicates with the inside of the room; the draught fan can rotate forwards and backwards; when the draught fan rotates forwards, the air flow inside the air guide channel flows from the first opening to the second opening; and when the draught fan rotates reversely, the air flow inside the air guide channel flows from the second opening to the first opening.

The invention relates to an anti-caking spraying system with a purifying function. The anti-caking spraying system with the purifying function comprises a spraying device; the spraying device comprises a bottom plate, a pushing handle, a material box, a connecting piece, a spraying gun, a fixed rod and four vehicle wheels, and further comprises a stirring mechanism and a purifying mechanism; the stirring mechanism comprises a motor, a rotating shaft, two first bearings and a plurality of stirring blades; the purifying mechanism comprises a fixed box, an activated carbon filtering net, a collecting component and a driving component; and the collecting component comprises a second bearing, a connecting shaft, a torsion spring, a connecting box, a connecting unit, a hose and two sucking nozzles. The anti-caking spraying system with the purifying function can perform purifying operation on the dust produced during spraying through the purifying mechanism, and prevent the dust from being absorbed by a human body to pose a threat to the physical health of staff, so that the safety of equipment is improved; and the paint in the material box is subjected to stirring operation through the stirring mechanism, so that the paint is prevented from caking to affect normal work of spraying.

The invention provides a power source with an air purifying function. The power source comprises a power source shell, an air purifier is arranged in the power source shell, a control switch is arranged on the power source shell, the air purifier is connected with an internal circuit of the power source through the control switch, and an air purifying opening is formed in the surface of the power source shell and communicated with the air purifier. The power source is simple in structure and provided with the air purifier and can purify air while working to supply power, it is unnecessary to additionally arrange a power source for supplying the power to the air purifier, the power source is convenient to use and practical, and the market competitiveness of the power source is improved.

The invention discloses an electric nest structure for a fresh air treatment device and the fresh air treatment device. The electric nest structure comprises a bracket, the bracket is provided with a plurality of installation holes distributed in an array manner, the installation holes are internally provided with metal barrels in a penetrated manner, the metal barrels are connected with the bracket, and the metal barrels are internally provided with cavities allowing the air flow to penetrate through. The electric nest structure has the advantages of being easy to produce and assemble, low in machining cost, capable of efficiently purifying air and the like.

The invention provides a biological filler stirring process based on an anaerobic / anoxic tank. The anaerobic / anoxic tank comprises a tank body for holding sewage, wherein a suspended filler is dispersed in the water body area of the tank body, the anaerobic / anoxic tank is further provided with a stirrer for stirring the suspended filler and a supporting member for fixing the stirrer, the supporting member is fixedly connected to the tank body, the stirrer comprises a motor fixed on the supporting member, a rotating shaft rotatably connected to the motor and extending to the water body area ina direction perpendicular to the liquid level, and a stirring paddle fixedly connected to the rotating shaft, the stirring paddle is arranged in the water body area, the anaerobic / anoxic tank furthercomprises a flow guiding cylinder with a pipe diameter direction parallel to the rotating shaft, the stirring paddle is arranged in the flow guiding cylinder, the flow guiding cylinder is fixedly connected to the tank body through brackets, and the condition of the biological filler stirring process is that stirring blades rotate anticlockwise.

The invention discloses a decanter which can be laid up more conveniently. The decanter comprises a main body, an antiskid sleeve, an independent support device and a filter, wherein the main body is provided with a guide opening, a mixing cavity, an air inlet passage and a flow passage; the antiskid sleeve is sheathed on the lower end of the main body; when in use, the main body is fixed onto the support device; the air inlet passage is communicated to the outer end of the main body and composed of large and small air inlet hole s; and the filter is detachably clamped on the wine outlet end of the main body. According to the scheme, the decanter can be combined with the rim of a cup more firmly, so that the operator does not need to hold the decanter by hands, thereby realizing operational convenience; by using the large and small holes, the alcoholization air quantity can be adjusted; and the parts of the decanter can be dismounted for cleaning, thereby being more hygienic and more convenient.

The invention discloses an indoor air conditioner, and relates to the technical field of air conditioners. Under the condition that fresh air inlet and indoor air inlet share an induced air duct and an induced draft fan, the fresh air function or the purification function can be independently achieved, and the fresh air inlet volume can be guaranteed while the fresh air function is independently achieved. The indoor air conditioner comprises a conditioner shell, and a fresh air duct, a purification air duct, an induced air duct, a first air blocking piece, a second air blocking piece and a sealing structure that are arranged in the conditioner shell; the induced air duct is provided with a first opening and a second opening; the first opening is communicated with the interior of a room through the fresh air duct, the first opening is further communicated with the interior of the room through the purification air duct, and the second opening is communicated with the interior of the room; the first air blocking piece is used for controlling opening and closing of the fresh air duct, the second air blocking piece is used for controlling opening and closing of the purification air duct, and the sealing structure is used for sealing a gap between the second air blocking piece and the purification air duct.

The invention relates to oiling equipment for metal wire rope manufacturing. The equipment comprises a main body and an oiling device, and further comprises a dust removal mechanism and a recycling mechanism; the dust removal mechanism comprises a dust removal box, an impurity removal assembly, a rotating assembly, a rotating ring, a fixed box and two dust removal assemblies; each dust removal assembly comprises a dust removal box and a connecting pipe; the recycling mechanism comprises a recycling box, a filter screen and a vibration assembly; the recycling box is arranged at the bottom in the main body; an opening is formed in the upper portion of the recycling box; the filter screen is connected with the inner wall of the opening; the vibration assembly is arranged below the filter screen; and the vibration assembly is connected with convex teeth close to the main body. According to the oiling equipment for metal wire rope manufacturing, through the dust removal mechanism, the dust removal function is achieved and dust attached to a steel wire rope is prevented from affecting the oiling quality, so that the reliability of the equipment is improved; and through the recycling mechanism, the function of recycling oil is achieved, and the quality of the recovered oil is also improved, so that the practicability is higher.

The invention discloses a lavatory air purifying system which comprises an air inlet, an exhaust fan, an air purifying chamber and an air outlet. Screen structures are arranged in the positions of the air inlet and the air outlet. The air purifying chamber sequentially comprises an ultraviolet lamp, a first rough filter screen, a first fine filter screen, a purifying pond, a second fine filter screen and a second rough filter screen. The purifying pond comprises a storage device used for storing purifying liquid, and a vibrator used for converting the purifying liquid into gas. According to the lavatory air purifying system, the structure is reasonable, peculiar smell and bacteria in the air can be efficiently disposed, and purification is more thorough; different treatment speeds are set according to different conditions, and thus more energy is saved by the system; and the adopted purifying liquid formula and an air cleaning agent formula are nontoxic and free of pollution, and all the components cooperate with one another; and compared with an existing formula, the efficiency is higher, and the effect is better.

The invention discloses intelligent ventilation equipment for an underground coal mine. The intelligent ventilation equipment comprises a main body, a purification tank, an electrolyzer, a detector and a control panel, the purification tank is installed on the inner wall of the main body, a first waterproof shell is installed on the inner bottom wall of the main body, a first motor is installed on the inner wall of the first waterproof shell, the electrolyzer is installed on the inner bottom wall of the main body, a second waterproof shell is installed on the top wall in the main body, a second motor is installed on the top wall in the second waterproof shell, the detector is installed on the top of the main body, and the control panel is installed on the front face of the main body. Air can be purified by installing the purification tank, outside air enters the purification tank through an air inlet pipe, dust and impurities in the air are adsorbed through purification liquid, the air quality is guaranteed, and the air purification function is achieved.

The invention relates to high-safety laser welding equipment. The high-safety laser welding equipment comprises a base, a workbench, an air cylinder, a dustproof cover, a welding device, a supportingplate and two supporting columns, and further comprises a cooling mechanism and a purifying mechanism, the purifying mechanism comprises an air collecting box, two purifying assemblies and a pluralityof suction nozzles, each purification assembly comprises a purification box, an air exhaust unit, a driving plate, a driving rod, a lead screw, a first spring, a ball screw bearing and two first bearings, the cooling mechanism comprises a fixing box, a cooling pipe, a connecting pipe, two power assemblies and a plurality of cooling fins, and each power assembly comprises a power box, a power plate, a second spring, an air inlet pipe and a power disc. According to the high-safety laser welding equipment, the purification function is achieved through the purification mechanism, and dust is prevented from polluting the surrounding environment and being absorbed by a human body, so that harm to the body health of a user is reduced; and the function of cooling a workpiece is achieved through the cooling mechanism, so that the situation that due to the fact that the temperature of the workpiece is high, the user is scalded is avoided.

The invention discloses an air purifying device of a coal mine underground emergency system. The air purifying device of the coal mine underground emergency system comprises a purifying box, the top end and the bottom end of the purifying box is provided with an air inlet duct and an air outlet duct respectively, the inside of the purifying box are sequentially provided with, from top to bottom, a drying unit, a carbon monoxide absorbing unit and a carbon dioxide absorbing unit which are used for purifying air, and the bottom of the purifying box is provided with a pneumatic fan which can extract air inside the emergency system into the purifying box. According to the structure above, by means of the pneumatic fan arranged at the bottom of the purifying box, the air inside the emergency system can be extracted out and flow out of the purifying box from the bottom of the purifying box, toxic and harmful air or water can be purified through the air purifying units and further the gas content of the coal mine underground emergency system can be in a normal state; gas content suitable for normal living of people can be discharged inside the coal mine underground emergency system through the air outlet duct, further the function of air purification can be achieved.

The invention relates to an automobile protective product, in particular to a protective pad containing charcoal and a manufacturing method of the protective pad containing charcoal. The protective pad containing carbon comprises a first base material, a second base material and stuffing, wherein the space between the first base material and the second base material is filled with the stuffing. The stuffing comprises, by weight, 48%-58% of charcoal particles, 38%-47% of hot melt adhesive powder, 0.5%-2.0% of nanoscale titanium dioxide and 0-3.0% of a fragrant material. The protective pad is simple in structure, low in processing cost, capable of effectively protecting an automobile instrument desk against dirt and light, free of generation of allergenic flocks and breeding of acarid, convenient to wash, reusable and high in adsorption and decomposition capacity. The protective pad is capable of releasing anion to achieve the high deodorizing and antibacterial effect, so that the purification function on air in an automobile is achieved.

The invention discloses an air purification and air supply device and a control method thereof. The device comprises a shell, a fan assembly positioned in the shell and a dust collecting assembly, andalso comprises a control module, the control module is used for receiving an air supply signal or a purification signal, and the control module controls a discharge assembly and the dust collecting assembly to be disconnected from a power supply when receiving the air supply signal; and the control module controls the discharge assembly and the dust collecting assembly to be conducted with the power supply when receiving the purification signal. The air purification and air supply device can individually realize the air purification function, and also can individually realize the air supply function, so the cost is reduced, and the space is saved; and an electrostatic dedusting scheme is adopted, so the resistance to air flow is reduced, and the purification and air supply effects are improved.