65results about How to "Suitable water temperature" patented technology

The invention discloses an effective prawn breeding pond with a dirt cleaning and discharging function. The effective prawn breeding pond with the dirt cleaning and discharging function comprises a breeding pond body, wherein an oxygenation pump is arranged in the breeding pond body; the bottom of the breeding pond body communicates with a blow-off pipe; grooves which are crossed are formed in thebottom surface of the breeding pond body; anti-escape nets are arranged at the upper ends of the grooves; high-pressure jet pipes are arranged at the edges of the insides of the grooves; and jet holes are uniformly distributed in the surfaces of the high-pressure jet pipes. The oxygenation pump is arranged in the breeding pond body, thus, oxygen can be provided for the breeding pond body at any time, the grooves which are crossed are formed in the bottom surface of the breeding pond body, thus, dirt can be intercepted on the way, the sewage discharge efficiency is improved, by the jet holes which are uniformly distributed in the surfaces of the high-pressure jet pipes, dirt can be effectively cleaned and discharged, a large amount of dirt which are cleaned and discharged from the groovescan be cleaned without dead corners, the dirt nearby the center of the pond is cleaned and discharged by a dirt collecting cover arranged in the center of the pond, the anti-escape nets are arranged at the upper ends of the grooves, and prawns can be prevented from escaping into the blow-off pipe arranged at the bottom of the center of the pond. The device is simple in structure, convenient to operate, high in breeding survival rate and suitable for being popularized on a large scale.

The invention provides a water collector / distributor, and belongs to the machinery technology field. The water collector / distributor solves the problems that the prior water distributor requires the installation of parts like a temperature controller, a balanced valve, etc., while installing the entire water-heating system. The water collector / distributor comprises a distributing pipe and a collecting pipe. The distributing pipe and the collecting pipe are both provided with a plurality of interferences. The number of the interfaces on the distributing pipe is corresponding to that on the collecting pipe. A connecting pipe connecting the distributing pipe with the collecting pipe is arranged therebetween. Electric valves are arranged in the position of each interface of the distributing pipe, hand valves are arranged in the position of each interface of the collecting pipe. The water collector / distributor also comprises a control circuit connected with each electric valve. The water collector / distributor communicates the distributing pipe with the collecting pipe directly through the connecting pipe and is directly provided with a booster pump, a thermostat controller and so on, thereby facilitating the installation of a water-heating system.

The invention discloses an electric water heater and a control method thereof. The control method of the electric water heater comprises the following steps that current position information and dateinformation are acquired; local season information is acquired according to the current position information and date information; and water in the electric water heater is heated to preset water temperature according to the season information. According to the technical scheme, the preset water temperature fully takes the local information and the season information into account by acquiring thecurrent position information and date information in real time, the electric water heater can supply the water temperature more suitable for a user to the user, and the electric water heater can meetthe requirements of the user.

The invention provides a hydraulic junction facility. The structure of the hydraulic junction facility comprises a vertical well type spillway, a horn mouth, a transition segment, a vertical well, an axial line of the vertical well, a pressing slope segment, an energy dissipation well, an annealing tunnel, water taking inclined culverts, water inlets, flap valves, rubber water-stop belts, a breather pipe, a water diversion branch hole, irrigation channels, an annealing tunnel outlet gate, a gate pier, a gate hoist, bank slope bed rocks, an earth and rockfill dam, a reservoir area (the upstream) and riverways (the downstream). In the low water level, inclined lying culvert pipes are utilized to carried out water taking, energy dissipation and water conveying are achieved by utilizing the vertical well type spillway, the annealing tunnel outlet gate is closed to raise a waterhead, the irrigation elevation is increased, and the water using requirement in the downstream is met. The inclined lying culvert pipes are connected with the vertical well type spillway, the vertical well type spillway is utilized to replace a culvert pipe arranged on the lower portion of a dam, and the adverse influence on the culvert pipe arranged on the lower portion of the dam is avoided.

The invention relates to a method for making breeding device of seafood on sludge, a breeding device prepared by the method and a method for breeding seafood by the device. The breeding case made by the breeding device making method can be stably positioned at the position 2-2.5cm deep on the surface of seabed sludge in the whole year except anthropic factors, even though the natural conditions are very bad, such as maximal flow, rough sea, spring tide and typhoon; the breeding device cannot be knocked down, moved, sunk into sludge or submerged by sludge for natural conditions; in order to solve the problem that the substrate sludge is not stable and to prevent natural disaster with larger destructive power than typhoon, the breeding tower can be further made based on the breeding case body; the breeding tower cannot be sunk into sludge or submerged by sludge for several years and can be used as substitute of natural stone reel in natural sea region. The method for breeding seafood by the breeding device can make good use of the resource of seabed sludge and reduce the breeding cost.

An intelligent temperature-regulating and water-replenishing controller for a heat-pump energy-saving solar water-heating device consists of a water tank, a water supply pump, a water level line, a temperature sensor, a water level controller, a temperature controller, a control switch 1, a control switch 2, a power supply circuit and a water supply pipe, wherein, the temperature sensor and the water level line are arranged in the water tank; the temperature sensor connects with the temperature controller and then connects with the control switch 2; the water level line connects with the water level controller and then connects with the control switch 1. The control switch 2 can be turned off at the lower limit of the temperature sensor and be turned on at the upper limit; the control switch 1 can be turned on at the lower limit of the water level line and be turned off at the upper limit. The intelligent temperature-regulating and water-replenishing controller combines temperature and water level control and can guarantee appropriate water temperature to be kept in water replenishment, thereby guaranteeing the continual operation of solar energy and the heat pump in the water replenishing process, providing convenience for users and improving the adaptability of solar-energy and heat-pump equipment.

The invention discloses an integrated device for lampblack discharge and water heating. The integrated device for lampblack discharge and water heating comprises a lampblack absorption hopper, wherein the lampblack absorption hopper is connected with a water tank through a connection frame; each of the lampblack absorption hopper and the water tank is provided with a support; the lampblack absorption hopper communicates with the water tank through a pipeline; a water inlet port and a water outlet port are arranged in the lower part of the water tank; the water inlet port communicates with a water inlet pipe; the water outlet port communicates with a water outlet pipe; a water outlet nozzle is arranged in one end part of the water outlet pipe; the water tank is matched with an ash filter box; the ash filter box is provided with an ash filter frame; the ash filter box is connected with an induced draft fan through a lampblack through pipe; an installation frame is arranged on the lampblack through pipe; and the induced draft fan communicates with a lampblack discharge pipe. The integrated device for lampblack discharge and water heating is capable of heating water in the water tank by virtue of the waste heat of lampblack of a barbecue oven for hand washing or vegetable washing, thus the problem of uncomfortable feeling of human hands due to cool water is avoided; and meanwhile, an ash filter device is provided, and is capable of filtering particles in the lampblack, thus pollution to atmosphere is reduced.

The invention discloses an irrigation channel with ecological pools. The irrigation channel comprises a channel body and the ecological pools distributed below the channel body at equal intervals. First concrete cover plates flush with the bottom of the channel are arranged on the tops of the ecological pools below the channel body, and a series of through holes are formed in the first concrete cover plates. The ecological pools extend to one side or two sides according to available spaces on the two sides of the channel. Solid second concrete cover plates or second concrete cover plates with through holes are arranged between the lateral pool portions extending to one side or two sides and the channel body, and the second concrete cover plates are flush with an original slope and the top of the channel. The tops of the lateral pool portions are flush with the top of the channel. A third concrete cover plate with a series of through holes is arranged on the tops of the lateral pool portions. The cover plates and the channel body are connected into a whole, and an original section mode of the channel is kept. The irrigation channel improves the biological habitat of a traditional channel, proper ecological space and a shelter site are created, biodiversity is maintained, and the ecological function of the irrigation channel is improved.

The invention discloses a distribution type efficient energy-saving phase change heat storage system. The distribution type efficient energy-saving phase change heat storage system comprises a heat storage loop and an output loop which are composed of a phase change heat storage body, a heat exchanger and an electric heater. The heat storage loop has a new energy heat supply mode and an electric heating mode, under the new energy heat supply mode, the phase change heat storage body and the heat exchanger are connected and form a heat storage cycle, under the electric heating mode, the phase change heat storage body and the electric heater are connected and form a heat storage cycle, the output loop has a direct output mode and an electric heating auxiliary heating mode, under the direct output mode, an inlet and an outlet of the phase change heat storage body are connected with a cold water input opening and a hot water output opening correspondingly, and under the electric heating auxiliary heating mode, a water inlet of the phase change heat storage body is connected with the cold water input opening, and a water outlet is sequentially connected with the electric heater and the hot water output opening. Compared with the prior art, the system is flexible in arrangement, small in occupied space and large in heat storage amount, and heat storage / using is rapid and convenient.

The invention discloses a baby bathtub capable of simulating sea waves. The bathtub is characterized in that a bathtub body and a sea wave simulation pond are included; the bathtub body is communicated with the sea wave simulation pond through a partition board, a through hole is formed in the lower portion of the partition board, and a through hole sealing plate is fixed to the lower edge of the through hole through a spring; a fan-shaped rotary propeller is arranged on the side wall of the sea wave simulation pond, the fan-shaped rotary propeller is connected with a motor I through a rotary shaft, a piston is connected with the lower side of a bottom plate of the sea wave simulation pond, the piston is fixedly connected with one end of a connection shaft, the other end of the connection shaft is arranged on an eccentric shaft of a rotary gear, the rotary gear is connected with a motor II through a fixing shaft, a ventilation pipe is connected to the side wall of the bathtub body, and the ventilation pipe is connected with an air pump through a sucking pump. The bathtub can simulate a sea wave environment, bubbles can be generated in water, functions are rich, the interest of children can be easily stimulated, attention of children is attracted, and the baby bathtub can be operated conveniently by adults.

The invention discloses a water heater and a control method thereof. The control method of the water heater comprises the following steps that current season information and position information are obtained; according to the current season information and position information, the objective mixed water temperature and water inlet temperature are obtained; and according to the objective mixed water temperature and water inlet temperature, water in the water heater is heated to a preset water temperature. According to the technical scheme of the water heater and the control method thereof, thecurrent season information and the position information are obtained in real time, then the optimum bathing water temperature of a current season of a current area is obtained according to the seasoninformation, the position information and preset data sheets, the hot water is heated according to the optimum bathing water temperature and the current water inlet temperature, so that the mixed water temperature approximates to the optimum water temperature used by a user as far as possible, thus the water heater can supply the water temperature more suitable for the user to the user, and the water heater meets the requirement of the user accordingly.

The invention provides human excrement automatic processing equipment. The human excrement automatic processing equipment comprises a machine body shell, a sewage discharge barrel part, an air bellow part, a cleaning and heating part and a drying part; an inner cavity of the machine body shell is provided with the sewage discharge barrel part, the air bellow part, the cleaning and heating part and the drying part, and the top of the machine body shell is provided with a control panel; the sewage discharge barrel part is arranged to be composed of an outer fixed box, an inner sewage box and an inner sewage box upper cover; the air bellow part is arranged to be composed of a sealed shell, an air pumping motor and activated carbon; the cleaning and heating part is arranged to be composed of a water storage box, a water purifying box, a heat preservation box and a water pumping motor; the drying part is arranged to be composed of a hot air box, an adsorption box and a transfer box; the hot air box is arranged to be connected with the adsorption box through a first splicing piece; and the transfer box is arranged to be above the adsorption box. By means of the human excrement automatic processing equipment, purified water supply can be ensured, so that the water temperature and the air temperature both reach the preference temperature, and effective suction filtration, deodorization and drying of gas can be achieved.

The invention discloses a method for online treatment of water leakage of a cooling wall water supply branch pipe of a blast furnace hearth. The method comprises the following steps that when the cooling wall water supply branch pipe or valves of the blast furnace hearth leak water, the valve V-2 and the valve V-4 are closed firstly, then the valve V-1 and the valve V-5 are opened, the pressure of a water inlet pipe is controlled to be within 0-0.1 Mpa, and therefore a whole cooling system can conduct cooling from top to bottom; when detection data meet following requirements, maintaining and replacing begin to be conducted, wherein the specific requirements include that the water temperature in a furnace hearth water supply pipe is smaller than 45 DEG C, the temperature difference of water in the water inlet pipe and water in the furnace hearth water supply pipe is smaller than 2 DEG C, and the temperature of the side wall of the blast furnace heart is smaller than 200 DEG C; and when maintaining is completed, the valve V-1 and the valve V-5 are closed, the valve V-2 and the valve V-4 are opened, the valve V-3 is opened, and supplemental water is added into a cooling circulation system through a third water pump.

The invention provides a water dispensing device for cattle. The water dispensing device comprises a water dispensing trough and a water storage tank, wherein an infrared sensor is arranged on the outer side edge of the water dispensing trough and connected with a controller; a water inlet is arranged at the bottom of the side wall of the water dispensing trough and connected with the water storage tank through a first pipeline; a solenoid valve is arranged on the first pipeline and connected with the controller; a water outlet is arranged at the bottom of the water dispensing trough and provided with an automatic valve; the water outlet is connected with the second pipeline and the other end of the second pipeline is connected with the water storage tank. The water dispensing device can realize functions of automatically supplying and draining water, saving the water resource and the like.

The invention discloses an integration method and structure for cyclic utilization of river bed underflow water for a water source heat pump. One or more water taking wells are arranged at the bottom of a river bed; and a water taking structure is mounted to a water layer of the river bed from the water taking wells for sucking the river bed underflow water. The river bed underflow water is conveyed to a water collecting well, is directly conveyed to a water source heat pump unit through a water taking pump arranged in the water collecting well, and exchanges heat in the water source heat pump unit; and returned water can perform potential energy recovery power generation by using the terrain and a certain water current speed, or is directly used for urban afforestation, firefighting , production water and landscape water to form multiple purposes. The water used by power generation or urban landscapes can be directly drained to the water taking river bed, and is renewedly filtered by a sand and gravel layer of the river bed to form the river bed underflow water again for recycling. The method can develop the river bed underflow water in large scale, is proper in water temperature condition, is free of environmental geology problems, is small in floor area, is concentrated in management, and has multiple purposes.

The invention discloses a heat exchange device for a solar water tank. The device comprises a mounting seat (1) and a copper coil tube (2), wherein the water inlet and the water outlet of the copper coil tube (2) are both formed on the mounting seat (1); the inner cavity of the copper coil tube (2) is provided with a supporting rod (3) which is fastened to the mounting seat (1); a supporting ring (4) arranged in the inner cavity of the copper coil tube (2) is sleeved on the supporting rod (3) through a mounting hole which forms an angle of 120 degrees with the supporting ring (4); and each circle of the copper coil tube is fastened to the supporting rod (3) through isometric pressure parts (5). Due to the adoption of the structure, water in the water tank is used as a heat transfer medium, and water in the copper coil tube is used as domestic water, so that water pollution is avoided; and in addition, the isometric pressure parts make the interval of the coil tube equal, prevent the copper coil tube from being deformed, and make water temperature uniform and comfortable.

The invention discloses a high-efficiency heat dissipation cup. The high-efficiency heat dissipation cup comprises an upper cup body, a lower cup body and a middle heat dissipation passage, wherein an upper cup body opening is formed in the upper cup body and is provided with a first buckle, and the first buckle is used for controlling the opening and the closing of the upper cup body opening; a lower cup body opening is formed in the lower cup body and is provided with a second buckle, and the second buckle is used for controlling the opening and the closing of the lower cup body; the middle heat dissipation passage is provided with a spiral heat dissipation pipe, and hot water can flow between the upper cup body and the lower cup body through the spiral heat dissipation pipe of the middle heat dissipation passage for realizing heat dissipation and cooling. According to the high-efficiency heat dissipation cup disclosed by the invention, by arranging the middle heat dissipation passage between the upper cup body and the lower cup body, the hot water is enabled to flow between the upper cup body and the lower cup body, heat dissipation and cooling are carried out by utilizing the middle heat dissipation passage, appropriate water temperature can be conveniently obtained, and the drinking is convenient.

The invention belongs to the field of intelligent household, and particularly relates to an intelligent cold-hot water mixing valve of a household water heater. The intelligent cold-hot water mixing valve comprises a water mixing tank, a cold water pipe and a hot water pipe, wherein the cold water pipe and the hot water pipe fixedly communicate with the water mixing tank; a water outlet pipe fixedly communicates with the side wall of one side, close to the hot water pipe, of the water mixing tank; the cross sections of the inlet ends of the cold water pipe and the hot water pipe are each in aninverted isosceles trapezoid shape; magnetic balls are arranged in the cold water pipe and the hot water pipe; the diameter of the magnetic balls is larger than that of the inlet ends of the cold water pipe and the hot water pipe; the inner bottom surface of the water mixing tank is fixedly connected with a hollow plate through a telescopic spring; and the hollow plate is filled with a thermal expansion and cold contraction medium. According to the intelligent cold-hot water mixing valve, the position of the magnetic balls can be adjusted according to the water temperature in the water mixingtank, then the flow of the hot water pipe and the cold water pipe can be adjusted, the water temperature in the water mixing tank is kept in an appropriate temperature range accordingly, the water temperature in the water mixing tank is rapidly increased, the time for discharging cold water when the water heater is initially used is greatly shortened, and the water resource is effectively saved.

The invention relates to a water cup for the blind, and belongs to the technical field of water cup manufacture. The water cup comprises a cup body, wherein the cup body is arranged on a base, an electrical source and a loudspeaker are arranged in the base, one side of the cup body is provided with an expansion and contraction window, the inner wall at the window clinging to the cup body is provided with a connector, the outside of the connector is provided with a normally closed switch, a handle of the cup body is provided with a main switch button, and the normally closed switch, the electrical source and the loudspeaker in the base, and the main switch button on the handle form a series circuit. The connector is an insulated wooden stopper. The cup wall of the cup body is adhered with a temperature sensor connected in series to an electrical source circuit. According to the principle of expansion with heat and contraction with cold, the water cup has the advantages that the water cup has reasonable design and convenient use, reminds a user to drink water timely, and the like.

The invention relates to the technical field of steel shot production and discloses a steel shot quenching device which comprises a quenching pool; a centrifugal machine is rotationally connected to the middle part of the quenching pool; a truncated cone is arranged on the bottom surface of the quenching pool; multiple cover plates, each of which comprises a water retaining section and a dischargesection, are hinged to the edge of the truncated cone; a discharge hole is formed in one side, close to each discharge section, of the truncated cone; each discharge section is connected with the truncated cone through a spring; a temperature control circuit and a magnet are arranged on the inner wall of the quenching pool; the temperature control circuit is electrically connected with the magnetand the centrifugal machine; an iron sheet is arranged at the free end of each discharge section; a funnel cavity and a cooling mechanism are arranged at the bottom of the quenching pool; a flume isconnected to the bottom of the funnel cavity; a discharge hole is formed in the side wall of the flume and is provided with a screen plate which is slantingly arranged and is abutted to the side wallof the flume; the flume is connected with the truncated cone through a recovery pipe; and the recovery pipe is provided with a water pump. Through the steel shot quenching device provided by the invention, the existing problem of large difference in properties of steel shots in one batch can be solved, and the properties of the steel shots are improved.

The invention discloses a heat pump water heater. The heat pump water heater comprises a heat exchanger, a water feed pipe, a first water temperature sensor, a water level sensor and a controller, wherein the heat exchanger is provided with heat exchange tubes for heat exchange between a coolant system and a water channel of the heat exchange tubes; the water feed pipe is connected with outlets ofthe heat exchange tubes and used for delivering water subjected to heat exchange to a water storage device for storage; the first water temperature sensor is connected with the water storage device and used for detecting the water temperature in the water storage device; the water level sensor is connected with the water storage device and used for detecting the water level of the water storage device; and the controller is configured to have a first control mode and a second control mode used for controlling the water temperature in the water storage device; and the first control mode and the second control module can be switched. The heat pump water heater disclosed by the invention can automatically balance the water temperature and water level in the water storage device.

The invention discloses a baby bathtub capable of displaying water temperature, which comprises a bathtub main body, one end of the bathtub main body is set as a lying board frame, the other end of the bathtub main body is set as an item placement rack, and one side of the top end of the item placement rack is installed with a A temperature sensor, a toiletry box is installed in the middle of the top of the object display rack to place toiletries, the other side of the toiletry box is installed with a toy display box to place baby toys, and an imitation box is fixed on the inner side of the lying board shelf. Shaped deck, profiling deck can make the baby lie comfortably in the main body of the bathtub. The temperature sensing probe on the temperature sensor is set at the bottom of the main body of the bathtub to detect the water temperature, and the detected water temperature is indicated by the temperature pointer. Parents of the baby Just can judge whether current water temperature is suitable for baby to take a bath according to the temperature indicated by the temperature pointer, carry out proper adjustment, provide a suitable water temperature for baby to take a bath, make it more comfortable, also reduce the tiredness of baby's parents when taking a bath.

The present invention relates to a milk powder soaking geometer, which comprises a milk powder container and warm water container, which is characterized in that the milk powder container is provided with a powder outlet switch and a powder outlet. The warm water container is provided with a water outlet and a water outlet switch. A single plate machine, a water drainage motor, a powder drainage motor, a peripheral circuit and a button are electrical connected with powder drainage switch and water outlet drainage. The warm water and the milk powder is supplied timely and accurately in certain quantity during milk powder soaking without using milk powder spoon, which provides nutrition milk with scientific proportion and proper water temperature for the infant.

A water mixing device for a water source heat pump unit relates to the water source heat pump central air-condition technical field. The invention comprises a water source heat pump unit and a water mixer connected with a water system inlet of the water source heat pump unit, an immersible pump which is arranged in the water source and extracts the water source and a water mixing pump which is connected with a water system outlet of the water source heat pump unit and extracts the discharged water from the water source heat pump unit. The structure is characterized in that the sectional area of the tank body of the mixer is greater than the main pipe area of the water system. The top of the mixer is vertically provided with a water inlet 1; the side of the mixer is horizontally provided with a water inlet 2. The water inlet 1 and the water outlet 2 are respectively connected with the water outlets of the water mixing pump and the immersible pump. The middle part of the inner chamber of the mixer is provided with a tapered flow equalization plate with micropores; the tapered node of the tapered flow equalization plate is upward vertically. Compared with the prior art, the invention can achieve the proper water mixing temperature, thereby having an energy-saving operation of the unit, prolonging the service life-span of the system and achieving water-saving operation.

The invention discloses a distribution type efficient energy-saving phase change heat storage system. The distribution type efficient energy-saving phase change heat storage system comprises a heat storage loop and an output loop which are composed of a phase change heat storage body, a heat exchanger and an electric heater. The heat storage loop has a new energy heat supply mode and an electric heating mode, under the new energy heat supply mode, the phase change heat storage body and the heat exchanger are connected and form a heat storage cycle, under the electric heating mode, the phase change heat storage body and the electric heater are connected and form a heat storage cycle, the output loop has a direct output mode and an electric heating auxiliary heating mode, under the direct output mode, an inlet and an outlet of the phase change heat storage body are connected with a cold water input opening and a hot water output opening correspondingly, and under the electric heating auxiliary heating mode, a water inlet of the phase change heat storage body is connected with the cold water input opening, and a water outlet is sequentially connected with the electric heater and the hot water output opening. Compared with the prior art, the system is flexible in arrangement, small in occupied space and large in heat storage amount, and heat storage / using is rapid and convenient.

The embodiment of the invention provides a method and device for adjusting a bathing curve, a processor and a water heater, and belongs to the technical field of household appliances. The method comprises the steps that the bathing curve is obtained, and the bathing curve comprises a mapping relation between the water temperature and time; the water temperature is controlled according to the bathing curve; in the water using process, it is determined that a temperature adjusting instruction is received; the bathing curve is adjusted according to the temperature corresponding to the instruction; and the water temperature is continuously controlled according to the adjusted bathing curve. According to the embodiment, the bathing curve can be adjusted according to the use condition of a user, so that the water temperature is more suitable when the user takes a bath, and better bathing experience is provided for the user.

The invention relates to an automatic constant temperature water supply device. A water tank is connected with a water storage device through a water tank water replenishing pipe; the joint of the water tank and the water storage device is provided with a relay valve, and the lower part of the relay valve is provided with a relay, and the relay valve is connected with an iron core of the relay through an armature; the part where the water tank closes to the water storage device is a regulating room, and a buoy stop valve A is installed in the regulating room, and a rubber plug of the buoy stopvalve A is aligned to a water inlet of the water tank water replenishing pipe; the bottom part of the other end of the water tank is provided with a water drain valve. The upper part of the water storage device is connected with a running water pipe, and the lower part of the inner part of the water storage device from the running water pipe opening is provided with a buoy stop valve B; the rubber plug of the buoy stop valve B is aligned to the water inlet of the running water pipe, the right lower corner of the inner part of the water storage device is provided with an electric heater; the electric heater is connected with the water temperature sensor, the relay and the electric heater are intelligently controlled. The automatic constant temperature water supply device is intelligent design, thus the water supply at the fixed time is realized, and the proper water supply temperature is guaranteed.

The invention provides an electric heater for a solar water heater, relating to an electric heating device. The electric heater comprises a U-shaped heating tube, a base plate and a PCT temperature controller, wherein the U-shaped heating tube is arranged at the lower end of the base plate, and the PCT temperature controller is arranged at the upper end of the base plate. When the temperature of water in the solar water heater equipped with the electric heater is not high, the electric heater can be electrified for heating water to a temperature suitable to human bodies.

The invention discloses an automatic cleaning device for woven cloth. The automatic cleaning device comprises a water tank, universal wheels are fixed to the four corners of the outer wall of the bottom of the water tank through screws, a cleaning barrel is fixed to the outer wall of the top of the water tank through screws, ultrasonic sounder installation grooves are formed in the outer wall of the bottom of the cleaning barrel, ultrasonic sounders are fixed to the inner walls of the ultrasonic sounder installation grooves through screws, a water outlet hole and a water inlet hole are formedin the two sides of the outer wall of the bottom of the cleaning barrel respectively, a water outlet pipe and a water return pipe are inserted into the inner wall of the water outlet hole and the inner wall of the water inlet hole respectively, a water pump is fixed to the top of the inner wall of one side of the water tank through screws, and the water-discharging end of the water pump is inserted into the inner wall of one end of the water return pipe. The automatic cleaning device can increase cleaning speed, improve cleaning efficiency and drive the woven cloth to be cleaned in multiple directions, helps to improve the cleaning effect and keep suitable water temperature, can improve the quality of the woven cloth, and helps to accelerate production.