123results about How to "Use energy saving and environmental protection" patented technology

The invention relates to the technical field of set top boxes, and provides a set top box, and a set top box control method, device and system based on a brain wave signal. The method comprises a first step of receiving brain wave signal data of a user; a second step of analyzing the brain wave signal data, and judging the physiological status of the user; and a third step of determining a control command for the set top box according to the physiological status of the user, and performing the control command. In the method, due to analysis of the brain wave signal data of the user, whether the set top box enters a standby mode is effectively controlled, and the non user-friendly design of the conventional standby mode is changed; specific crowds inconvenient to use physical keys can complete standby of the set top box without help from others; and the possibility that users forget to turn off the set top box unintentionally is totally eliminated, so that the set top box is more environment-friendly and energy-saving in using.

The invention relates to the field of intelligent wearing equipment, in particular to adjustable type intelligent wearing equipment powered by solar energy. The weaving equipment comprises an equipment mounting base and a watch strap, and a mounting cavity is formed in the upper surface of the equipment mounting base; according to the adjustable type intelligent wearing equipment powered by solar energy, the watch strap is connected with the equipment mounting base by a retraction device I and a reaction device II so that a whole is formed, in the using process, whether a motor works or not is controlled by a switch I, the tightness degree of the watch strap is adjusted so that people can fasten the equipment under various states and use the equipment conveniently, a same product can be applicable to more people, the application range is wider, the equipment body is powered in a solar battery panel assembly manner, and the use of the intelligent wearing equipment is more environment-friendly and energy-saving.

The invention discloses a residential area road garbage cleaning device, which includes a vehicle body and a front. A solar device is provided on the top of the vehicle body. Dust head and garbage box, the motor is electrically connected to the fan, the motor is provided with a protective shell, the left side of the protective shell is provided with a garbage box, and the bottom of the protective shell is connected to the dust collector through a suction pipe. head, the upper right side of the vehicle body is provided with flushing equipment, the flushing equipment includes a liquid storage tank, a water pump and a sprinkler head, the inside of the liquid storage tank is provided with a water pump, the water pump is connected to the sprinkler head, and the flushing A cleaning device is provided at the bottom of the equipment. The cleaning device includes a motor, a rotating shaft and a cleaning disc. The motor is connected to the rotating shaft through a rotating shaft on a bearing, and the bottom of the rotating shaft is connected to the cleaning disc. The device has complete functions, environmental protection, low cost and easy realization.

The invention relate to a bogie hearth thermal treatment furnace with an adjustable heating space. The bogie hearth thermal treatment furnace with the adjustable heating space comprises a furnace body (1) and a movable bogie hearth (2); a furnace door (3) is installed on the movable bogie hearth (2); a movable furnace door sealing mechanism is respectively arranged on the furnace body (1) in a position matched with the position where the furnace door (3) is movably installed on the movable bogie hearth (2). A plurality of heating chambers (12) is divided inside the furnace body (1); a fume outlet (16) of each heating chamber (12) is respectively connected with an air preheater (4); and a hot air outlet (41) of each air preheater (4) is respectively connected with an air-fuel proportional valve (17) of a burner (13). By using the bogie hearth thermal treatment furnace with the adjustable heating space, a proper space of the thermal treatment furnace can be heated based on the number of the workpieces requiring thermal treatment, accordingly more fuel can be saved, the heating time can be shortened, the thermal treatment efficiency is higher, without the thermal treatment effect being influenced. With s reasonable structure, the bogie hearth thermal treatment furnace allows the fuel utilization ratio to be higher, thereby saving the energy.

The invention discloses a vehicle navigation system based on an RFID technology. The vehicle navigation system based on the RFID technology provides a new navigation mode, and comprises a positioning and navigating system, a vehicle-mounted device and a cloud storage server. The positioning and navigating system is respectively connected with the vehicle-mounted device and the cloud storage server. The positioning and navigating system comprises a roadbed RFID tag detection module, a positioning and navigating controller and a communication module, wherein the roadbed RFID tag detection module, the positioning and navigating controller and the communication module are connected in sequence, and the communication module is connected with the cloud storage server. The vehicle-mounted device comprises a vehicle-mounted RFID reader-writer, a vehicle-mounted controller and a wireless communication module, wherein the vehicle-mounted RFID reader-writer, the vehicle-mounted controller and the wireless communication module are connected in sequence. According to the scheme, the vehicle navigation system based on the RFID technology is low in cost, and is not affected by weather or obstructions; meanwhile, due to the reference of a cloud storage technology, mass data can be integrally processed more accurately and rapidly, and the navigation is more efficient.

This invention relates to a mixed power elevator including an elevator device and a supply device providing power drive characterizing that said supply device includes a commercial supply device and a new energy source supply device connected in parallel, in which, the mixed power elevator can use multiple kinds of energy sources and saves routine energy effectively in the regions where electric energy is in urgent need and works with enough energy supply, besides, an energy storager is set to store redundant energy and release it when supply is short. This invention also discloses a method for manufacturing said elevator.

Lightweight filling type thermal insulation mortar comprises the following raw materials in parts by weight: 400-450 parts of cement, 300-400 parts of fly ash, 1-3 parts of a foaming agent, 40-50 parts of a water reducing agent and 100-150 parts of water. The foaming agent comprises the raw materials by weight: 10-15 parts of a synthetic surfactant foaming agent, 10-15 parts of a protein foaming agent and 20-30 parts of water. The invention further provides a preparation method of the lightweight filling type thermal insulation mortar. The water reducing agent comprises the raw materials by weight: 1 part of calcium lignosulphonate, 2 parts of sodium lignosulphonate and 1 part of magnesium lignosulphonate. The prepared lightweight filling type thermal insulation mortar can be directly filled without repeated brush coating or waiting for drying; the construction efficiency is improved; by adding the fly ash, the use amount of cement is reduced, and meanwhile, waste utilization is realized, so that more energy is saved, and the environment is protected.

The invention discloses an UAV-based aerial photography monitoring system that comprises a ground control system and a UAV control system, wherein the ground control system and the UAV control systemtransmit information through the wireless communication between a ground communication module and a UAV communication module. The UAV-based aerial photography monitoring system is scientific and reasonable, safe and convenient to use. An angle sensor is configured to detect a deviation angle between the UAV and the horizontal plane during the aerial photography monitoring process, and upload the detection data to a PLC. The PLC analyzes the angular deviation data, and operates, according to the direction of the deviation angle, an axial flow fan in the corresponding direction in order to provide a reverse thrust for the deviation angle of the UAV for correcting the deviation angle of the UAV. Thus, the UAV is stable when performing aerial photography monitoring in the air in order to obtain a clear aerial photography monitoring image set.

The invention discloses a brine injection machine for meat processing. The brine injection machine for meat processing comprises a base, a support is fixedly arranged on the base, a quantifying barrelis arranged on the support, and a plurality of water injection needles are arranged on a saline distribution plate in a communicating mode; a push plate is movably arranged in an inner cavity of thequantifying barrel; a push rod is fixedly arranged on the push plate; the end, away from the second supporting rod, of the extension shaft is fixed to the output end of a rotating motor; a driving gear fixedly penetrates through the extension shaft; the driven bevel gear is fixedly connected to the center of a bearing plate through a transmission rod; and a threaded stirring rod is fixedly arranged in the center of the side, away from the transmission rod, of the bearing plate. The brine injection machine for meat processing provided by the invention can automatically perform quantitative brine injection on the same batch of meat products to ensure the consistency of saltiness and quality of the products, can also mix and stir salt and clear water added into the saline tank, is simple to operate and low in energy consumption, and is very worthy of popularization.

The invention discloses an environment-friendly hydraulic filter which comprises a mounting rack, a filtering and collecting device, a filtering brush device, a filtering scraper device, a garbage collecting plate and a camera. The filtering and collecting device collects garbage in water, the filtering brush device takes down the collected garbage from the filtering rotating body, the filtering scraper device scrapes down the residual garbage on the filtering brush, the garbage in the water is finally collected into the garbage collecting plate to be treated in a centralized mode, and the camera observes the density of the garbage in the water and the running state of the device. Power of water conservancy can be utilized to save energy, and a self-cleaning function is achieved.

The invention discloses a submersible diaphragm pump and composite coiled tube oil extraction system which comprises a continuous composite coiled tube. One end of the composite coiled tube is connected with a hanging hardware fitting in a pressed mode to be fixed at a ground well mouth, and the other end of the composite coiled tube is connected with a downhole hardware fitting in a pressed mode and connected with a downhole submersible diaphragm pump through a transition joint; the downhole submersible diaphragm pump is driven by a downhole submersible motor; multiple power cables and multiple data communication optical fibers are inlaid into the composite coiled tube; the downhole submersible motor is connected with a power supply arranged on the ground through the power cables; a downhole sensor is arranged in the downhole, and data collected by the downhole sensor is transmitted to a controller arranged on the ground through the data communication optical fibers. According to the submersible diaphragm pump and composite coiled tube oil extraction system, transmission among downhole power, the sensor data and a ground control device is achieved through the composite coiled tube, the advantages of saving energy and resisting scaling and paraffin precipitation are achieved, and intelligentized oil extraction can be more easily achieved.

The invention discloses a distributed water-steam-cold-heat-electricity combined supply device and method. The device comprises a cooling and heating module, a power supply module, a humidifying module, a power consumption module and a water consumption module; operation electricity is provided by a fuel cell stack, when heating is performed, part of circulating water directly enters an outdoor heat exchanger, the other part of the circulating water enters a cell cooling loop before entering the outdoor heat exchanger and further enters the outdoor heat exchanger to exchange heat with a compressor loop and circulate, the stack can be cooled and the circulating water can be preheated while the heating target is realized, the work of the compressor is reduced while the temperature of the stack is reduced, and the operation efficiency of the stack and the whole device is improved; when cooling is performed, part, flowing out and then flowing in a cooling tower, of the outdoor circulating water directly enters the outdoor heat exchanger, the other part enters the cell cooling loop, further flows into a cooling tower water tank again and flows out for circulation, the stack can be cooled while the cooling target is realized, and the operation efficiency of the stack is improved.

The invention provides a railway refrigerated container. The railway refrigerated container comprises a container body with a heat insulation function, and a cold storage device arranged on the side edge of the container body. The cold storage device comprises a shell and one or more regenerator sets arranged in the shell. The upper portion of the shell is provided with one or more air supply openings, and a plurality of blowers are arranged correspondingly. One or more air inlets are formed in the lower portion of the shell. A water carrying plate is arranged on the lower portion of the interior of the shell and located under the regenerator sets. Thus, the regenerator sets can send cold energy into the container body through the blowers after being frozen by a freezer, and an air supply path and an air return path are formed through the air inlets, so that the effect of cold insulation on objects in the container body is achieved.

The invention relates to the technical field of food drying, in particular to a static electricity and dry-air blast combined drying device. The device of the invention comprises a drying oven, a drying device, a placing device and a filtering device. The right side of the drying oven is provided with the drying device. The drying device includes a connecting pipe, an outlet pipe, a heat pump, aninlet pipe, a fixed rod, a fan, a humidity sensor, a one-way valve, a high-voltage electrostatic electricity generating pipe, a gas pipe, a fixed box, a first box cover, an air duct, a drying filter screen and an electronic control valve. The connecting pipe is communicated with the top end of the right end face of the drying oven. In the invention, through the high-voltage electrostatic electricity generating pipe and the fan, This arrangement is matched with ozone generated after the high-voltage electrostatic electricity generating pipe generates an electric field, traction of the air by the fan, heating of the air by the heat pump and communication between the connecting pipe and the drying oven, the product can be sterilized and evenly evaporated at a lower temperature when a productwith less moisture is dried. Therefore, the drying time is greatly shortened, and the equipment has advantages of low manufacture cost, environmental protection and energy conservation.

The invention discloses a dust collecting environment-friendly mechanical device. The dust collecting environment-friendly mechanical device comprises a body; a base is arranged at the bottom of the body; a plurality of mounting grooves are formed in the top of the base; a purifying box and a dust collecting box are arranged above the base; a plurality of groups of mounting pieces are arranged atthe bottoms of the purifying box and the dust collecting box; a circulating water sump is formed in the bottom of the purifying box; a first sliding way is arranged above the circulating water sump; adust collecting plate is arranged in the first sliding way in a matched manner; sliding mechanisms are arranged at two ends of the dust collecting plate; an annular sliding rail is arranged on the inner wall of the dust collecting box; an operating rod is arranged in the dust collecting box in a penetrating manner; a compressing mechanism is arranged at the top of the dust collecting box; two filtering mechanisms are arranged in the purifying box; a plurality of exhaust ports are formed in the top of the purifying water tank; a dryer is arranged in one exhaust port; a water outlet pipe is arranged on one side of the bottom of the circulating water sump; a plurality of first spraying heads and a plurality of second spraying heads are arranged at one end of the water outlet pipe; a dust collecting opening is formed in one side of the purifying box. The device has a simple structure, convenience and quickness in use and diversified functions, and can remove smoke, collect dust and compress; the dust collecting capacity is high, so that the environment can be improved.

The invention discloses a molten aluminum ladle transport cart. The molten aluminum ladle transport cart comprises a power assembly, a frame assembly, a steering driving front axle, a rear axle, a frame accessory and a driving cabin. The power assembly and the driving cabin are installed at the top of the front end of the frame assembly, the steering driving front axle and the rear axle are installed at the bottoms of the front end and the back end of the frame assembly respectively, a lifting platform is installed at the rear section of the frame assembly, and the frame accessory is assembled on the lifting platform. The transport cart has the advantages of being compact in structure, saving energy and being environmentally friendly in the using process, steering flexibly and accurately and being low in cost.

The invention discloses an online water quality monitoring device for breeding. The device comprises a mounting shell and a mounting plate, the mounting shell is fixed above the mounting plate, connecting rods are mounted at two sides of the bottom of the mounting plate, a suspension airbag is mounted at one ends of the connecting rods, the bottom of the mounting plate is provided with a suspension rope, a suspension counter weight is arranged at one end of the suspension rope, the bottom of the mounting plate at one side of the suspension rope is provided with a water quality detection rod, and the bottom of the water quality detection rod is provided with a water quality sensor. A series of structures are mounted, so the monitoring device realizes real-time online monitoring, and can know the condition of agricultural breeding water in real time.

The invention discloses a riverway sewage sampler which comprises a central shaft. A counter weight body of which the outer diameter is greater than that of the central shaft is welded at the bottom of the central shaft; four surfaces of the central shaft are vertically welded with supporting plates; one or above of fixed shaft sleeve is welded at equal intervals on the lower end face of each supporting plate; a sampling ball is filled at the bottom of each fixed shaft sleeve; a protrusion is formed at the top of each sampling ball; each protrusion is disposed in a fixed hole formed on the lower end face of the corresponding fixed shaft sleeve. When the riverway sewage sampler is in use, each sampling ball is in a wizened state, the sampling balls are randomly thrown into a riverway and positions of the sampling balls are continuously changed along with riverway water, so that the riverway water at different positions can be absorbed one by one, thereby implementing sampling on the riverway water at different positions; sampling at the random position can be implemented without any electronic equipment.

The invention discloses an energy-saving and environment-friendly paintbrush cleaning device for art painting in the technical field of learning stationery. The energy-saving and environment-friendly paintbrush cleaning device comprises a base table, an electric telescopic rod, a buzzer, a first motor, a second motor and a water pump, a cleaning box is fixedly connected to the surface of the base table, and a support is fixedly connected to the surface of the cleaning box; and a mounting plate is fixedly connected to the surface of the support, the electric telescopic rod is fixedly connected to the surface of the mounting plate, a telescopic rod is mounted in the electric telescopic rod, and a fixator is fixedly connected to one end of the telescopic rod. The energy-saving and environment-friendly paintbrush cleaning device for art painting has the advantages that: 1, sewage can be filtered, precipitated, recycled and reused, water resource waste is reduced and the environment-friendly use is realized; 2, caked pigment can be cleaned, and the cleaning efficiency is improved; 3, paintbrushes can be quickly and naturally air-dried, and is prevented from being damaged; and 4, paintbrushes of different models can be cleaned at the same time, and people can be prompted after cleaning, so that the paintbrushes are convenient to store.

A processing method for a leather block floor includes the following steps that 1, a digital block type drawing is evenly divided into multiple square pattern blocks of the same specification; 2, leather leftover materials in various colors are cut into small leather square blocks of the same specification and in different colors; 3, the small leather square blocks in the corresponding colors are placed in small checks of a template in a right-side up mode according to the pattern content of each square pattern block and the arranging mode of the digital blocks in different colors in the square pattern blocks; 4, all the small leather blocks on the same leather block layer are transferred to the next processing position through one piece of transfer sticker; 5 gaps between the small leather square blocks are filled with glue, a leather layer of the floor is formed after the glue is dried and solidified, and then the transfer sticker is torn off; 6, the back face of the leather layer is polished and flattened; 7, numbers are given to all the leather layer blocks and correspond to the numbers of the digital blocks of the drawing; and 8, the leather layer is pasted to a floor base layer through glue. The floor processed through the method is attractive and abundant in pattern and good in comfortableness.

The invention relates to the technical field of distribution transformers, and discloses an intelligent distribution transformer. The transformer comprises a distribution transformer body, wherein the top of the distribution transformer body is rotatably inserted with a horizontal rotating shaft through a bearing, and the two sides of the rotating shaft extend to the outside of the distribution transformer body respectively; a baffle, wherein supporting rods are fixedly connected to the two sides of the baffle, the sides, away from the baffle, of the two supporting rods are fixedly connected to the two sides of the rotating shaft correspondingly, and the baffle is used for shielding sunlight irradiating the surface of the distribution transformer body; and a light sensor which is installed on the side, away from the distribution transformer body, of the baffle and used for monitoring the sunlight irradiation direction. Through the arrangement of the driving mechanism, the side, away from the distribution transformer body, of the baffle can face the sun all the time and rotate along with movement of the sun, so that the effect of shielding sunlight is achieved, and the surface of the distribution transformer body is prevented from being exposed to the sun.

The invention relates to the technical field of flowers and plants, and discloses a self-rotating culture device capable of improving the photosynthesis effect of flowers. The device comprises a baseand a tray, wherein a supporting leg is fixedly mounted at the top end of the base, a storage battery is fixedly mounted in the base, a motor I is fixedly mounted in the base, a rotating shaft is rotatably connected to the outer side of the motor I, the outer side of the rotating shaft is sleeved with a gear, a positioning block is fixedly mounted at the top of the inner wall of the base, the outer side of the supporting leg is sleeved with a sliding block, a fixing rod is fixedly mounted on the outer side of the sliding block, a screw is inserted into the sliding block, and an electromagnet is fixedly mounted in the supporting leg. The self-rotating culture device capable of improving the photosynthesis effect of the flowers can work without an electric energy mechanism, a photovoltaic panel automatically stretches out and draws back, more energy is saved and environment is protected in the using process, the occupied area is small, flowerpots can automatically rotate during illumination, plants at all positions can evenly grow, and the attractiveness of the plants is improved to a certain degree.

The invention discloses a variable displacement oil pump which comprises a rotor oil pump body; a shell of the pump body is provided with an oil inlet and an oil outlet; the pump body is internally provided with a driving inner rotor and a driven outer rotor, and is provided with an oil inlet cavity, an oil outlet cavity and an oil inlet channel and an oil outlet channel; the driving inner rotor is driven by a driving shaft, and is also provided with an overload protective valve and an oil pump cover; the overload protective valve is arranged on the oil pump cover, and is communicated with the oil inlet cavity; an adjusting sliding block and a pressure adjusting spring used for restraining the adjusting sliding block are added into the variable displacement oil pump; and the adjusting sliding block is arranged between the inner rotor and the outer rotor by an adjusting sliding block mounting cavity, and is positioned at a joint area between the oil inlet channel and the oil outlet channel. The two parts including the adjusting sliding block and the pressure adjusting spring are added into the oil pump, and the working states and the positions of the adjusting sliding block and the pressure adjusting spring are changed in real time along with the change of the working speed of the oil pump, so that the working way in which the displacement of engine oil is passively changed by the existing variable displacement pump can be changed, and the variable displacement oil pump can be used in a more energy-saving and environment-friendly way.

The invention discloses a sterilization and mosquito repellent LED illumination lamp. The sterilization and mosquito repellent LED illumination lamp comprises a lampshade, a base, an LED lamp holder and a radiating tube. The base and a bottom plate are fixedly connected through a supporting column. A control panel is inlaid in the surface of the supporting column. The lampshade and the bottom plate are fixedly connected through lampshade supporting rods. The LED lamp holder is mounted on the upper surface of the bottom plate. An electric mosquito killer body is composed of an electric mat mounting plate, a shell body, an electric heating wire and a gas dissipation tube. The top end of the shell body is provided with the gas dissipation tube. The electric mat mounting plate and the electricheating wire are arranged in the shell body. The sterilization and mosquito repellent LED illumination lamp is provided with ultraviolet sterilization lamps. As required by a user, a sterilization switch is turned on to conduct sterilization and disinfection on bacteria in the air. The sterilization and mosquito repellent LED illumination lamp is provided with the electric mosquito killer body. The electric mosquito killer body can kill mosquitoes and insects indoors when a lot of insects and mosquitoes exist in summer. The sterilization and mosquito repellent LED illumination lamp is convenient to use. Heat dissipated from the radiating tube is supplied to the electric mosquito killer body. Thus, the sterilization and mosquito repellent LED illumination lamp saves energy and is environmentally friendly in use, and is capable of saving resources.

The invention discloses a conductive quick-hardening repair material, and the material comprises the following components in parts by weight: 400-600 parts of a cementing material, 600-700 parts of quartz sand, 50-100 parts of silicon powder, 50-100 parts of fly ash, 60-100 parts of gypsum, 120-160 parts of water, 10-20 parts of a water reducing agent, 5-10 parts of an expanding agent, 8-15 parts of a composite early-strength accelerator and 30-45 parts of a high-viscosity conductive phase. The conductive quick-hardening repair material obtained by the invention has good environmental stability, expansibility and conductivity, and can show relatively high mechanical properties after being demolded for 2-3 hours; maintenance personnel can judge the damage degree and the replacement opportunity more visually according to the strength of the electric signals, the working efficiency and the safety coefficient are remarkably improved, the sustainable development requirements of bridge construction and maintenance can be met, and important economic and environmental benefits are achieved.

The invention discloses a novel ventilation energy-saving aluminum alloy door and window. The novel ventilation energy-saving aluminum alloy door and window comprises a mounting wall body, the surfaceof the mounting wall body is movably connected with a door and window body through a fixed window frame and hinges, the door and window body is designed to split, moving frames are fixedly connectedto the positions, located on the two sides of the door and window body, of the mounting wall body, driving motors are fixedly connected to the tops of inner cavities of the moving frames, and screws are fixedly connected to the output ends of the driving motors. According to the novel ventilation energy-saving aluminum alloy door and window, through the moving frames, a cleaning frame, a water inlet pipe, a reel device, a communicating pipe, a water pump, a water supply pipe, the driving motors, screw blocks, the screws, moving rods, electric telescopic rods, moving plates, transverse pipes, pressurizing spray heads and brush plates, the self-cleaning function of the device can be achieved, and the problems that aluminum alloy doors and windows on the existing market do not have the function of being good in self-cleaning effect, the aluminum alloy doors and windows are affected by environmental factors in the using process, a large amount of dust is easy to adhere to the surfaces of outer side glass, manual cleaning poses a greater safety hazard, and normal use of the windows is affected are solved.

The invention discloses a mud cooling system and relates to the field of auxiliary equipment for well drilling. The mud cooling system comprises a sand pump, a plate heat exchanger, a cooling water tower and a water tank, wherein the plate heat exchanger comprises a first fluid inlet, a first fluid outlet, a second fluid inlet and a second fluid outlet; the first fluid outlet communicates with thefirst fluid inlet; the second fluid outlet communicates with the second fluid inlet; the output end of the sand pump is connected to the second fluid inlet; a discharging pipe is connected with the second fluid outlet; the water tank is connected to the first fluid inlet through a first water pump and used for guiding water into the plate heat exchanger; the first fluid outlet is connected to thecooling water tower; a water guiding pipe is connected between the cooling water tower and the water tank; a second water pump is connected onto the water guiding pipe; and the cooling water tower isused for conveying cooled water to the water tank through the second water pump. Through the arrangement of the sand pump, the plate heat exchanger, the cooling water tower and the water tank, the overall cooling efficiency can be higher and the cooling of hot mud can be further facilitated.

The invention discloses an energy-saving environmental-friendly water purifier type water dispenser. A transparent installing chamber is arranged at the bottom of a water storage box; an ultraviolet lamp used for sterilizing water in the water storage box is arranged in the transparent installing chamber; and meanwhile, a regular water discharging assembly is arranged in a base of the water dispenser and communicates with the transparent box body. The energy-saving environmental-friendly water purifier type water dispenser can regularly discharge overnight water in the water dispenser at the preset time, and can change fresh water, so that a user can drink fresh water every day; the water drinking safety is ensured; in addition, through the regular water discharging assembly, the overnightwater is introduced into the transparent installing chamber for cooling the ultraviolet lamp; the utilization rate of the overnight water is improved; when the ultraviolet lamp generates a fault, theultraviolet lamp can be conveniently replaced, and the water in the water storage box does not need to be totally discharged, so that the water resource waste is reduced; and in the use process, better energy-saving and environmental-friendly effects are achieved.