1099 results about "Watering trough" patented technology

The invention discloses an intelligent cleaning robot capable of realizing automatic navigation, floor mopping, charging and duster cloth cleaning. The intelligent cleaning robot comprises a cleaning robot body and a base station with functions of automatically mopping a floor, charging and cleaning duster cloth, wherein the base station with the functions of automatically mopping the floor, charging and cleaning the duster cloth is an L-shaped fixing device; the cleaning robot body is mutually separated from the base station with the functions of automatically mopping the floor, charging and cleaning the duster cloth; the cleaning robot body and the base station move separately and freely; the front part of the base station with the functions of automatically mopping the floor, charging and cleaning the duster cloth is provided with an automatic charging contact end, and the base station is internally provided with a water filtration and dust extraction system and a water filtration system; the bottom of the base station with the functions of automatically mopping the floor, charging and cleaning the duster cloth is provided with a water trough which is used for automatically cleaning the duster cloth; the cleaning robot body is provided with a navigation component, and the navigation component is a three-coordinate digital gyroscope module. The intelligent cleaning robot has the characteristics of convenience in use, accuracy in positioning, sensitiveness in control response, low cost, small size and the like.

The present invention relates to a fruit and vegetable cleaning equipment. Said equipment includes the following several portions: mesh-belt conveyor, water trough, air pipe, filter water tank, scraper, sieve plate and water pump. Said invention also provides the concrete structure of above-mentioned every portion and connection mode of all the above-mentioned portions, and also provides the working principle of said fruit and vegetable cleaning equipment and its concrete operation method.

The present invention belongs to the field of optical fiber sensing and sea water measuring technology. The in-situ simultaneous sea water salinity and temperature detecting device includes optical source, transmission fiber, power supply, CCD, collimating lens with tail fiber, glass window, measuring water trough, sensor probe comprising temperature sensing reflecting unit and receiving fiber array, image collecting and processing module and computer with software and calibrating data. The temperature sensing reflecting unit incldues absorbing semiconductor chip, right angle prism and heat conducting material. The salinity. measurement is completed by detecting the position change of loight spot in CCD photosensitive surface caused by the refractive index change owing to different salinity; while the temperature is measured by detecting the light strength change in semiconducotr material caused by temperature.

The organic waste water treating sliding arc discharge plasma apparatus includes forked knife-type electrode mounted on the insulating seat of the reaction hood and connected to high voltage power source, waste effluent collecting trough provided with atomizing nozzle, connected to the waste water trough and in the middle part of the insulating seat, reaction hood with gas sampling port, gas exhaust pipe, cooling water jacket around the gas exhaust pipe, compressed air pipe connected to the atomizing nozzle together with the waste water trough. Waste water and compressed air form waste water fog in the atomizing nozzle, and the air-water mixture pushes the arc formed in the arcing end downstream to generate sliding arc discharge and produce ozone, ultraviolet ray, high energy electron, electrolysis, OH, O and other active particles for on-line waste water treatment. The present invention has, especially, organic waste water treating capacity.

The rotary tubular photocatalytic reactor includes water trough with water inlet and water outlet, ultraviolet lamp set onto side of the water trough, rotary drum, which has bearing plates and supports in two ends and is set inside the water trough, speed regulating motor meshed to gear on the outer wall of the rotary drum for driving, and thin titania photocatalyst layer painted to the inner wall of the water trough. The present invention has rotary drum as the main body of the reactor and titania photocatalyst layer loaded onto the rotary drum, regulates the rotation speed of the rotary drum to alter the distribution of treated waste water and photocatalyst and to increase the contact area between the catalyst, reactant and light source, and has low power consumption, low treating cost, mild treating condition and other advantages.

The invention provides a testing device and a testing method for testing environmental preference behaviors of fishes. The device is characterized in that water inlet pipes with a flow regulator and water outlet pipes with a flow regulator are respectively installed at the two ends of a water trough, one ends of the water inlet pipes are communicated with a pressure-bearing water tank, flow conditioning meshes are respectively installed at the communicating ports of the water inlet pipes which are communicated with the water channel, upper flow guide baffles are installed between the water inlet pipes and the water outlet pipes to form flow guide channels, isolating nets are installed at the front ends of the water inlet pipes and the water outlet pipes, and the pressure-bearing water tank is connected with a variable-frequency water pump and a variable-frequency regulator. The method comprises the steps of 1) preparation before testing; 2) testing and correction of the testing device; 3) testing of preference behaviors of fishes; 4) testing data acquisition and preference index calculation; 5) maintenance and cleaning of the device. The testing device and the testing method for testing the environmental preference behaviors of the fishes can realize researches on the preference behaviors under various environmental factors such as flowing speed, river bed materials and illumination according to different environmental factors which are distributed in an experimental area.

The invention discloses a real-time multi-mode photoacoustic human eye imaging system and an imaging method thereof. The imaging system comprises a laser device, a front optical path, a reflecting mirror, a focusing lens, a light-transmitting acoustic reflection device, a scanning mirror, a water trough, an ultrasonic probe, an ultrasonic transmitter-receiver set, an amplifier and a computer. A light-transmitting acoustic reflection film and the scanning mirror are placed in the water trough. The imaging system has a photoacoustic imaging mode and an ultrasonic imaging mode. Mechanical scanning is replaced through the scanning mirror, imaging time is greatly shortened, and pain of a patient is relieved. Meanwhile, due to the optical and ultrasonic confocal design, an existing pure optical focusing imaging mode or an existing pure ultrasonic focusing imaging mode is changed, sensitivity is improved on the basis that the optical resolution is achieved, and full-eye imaging from the front of the eye to the bottom of the eye can be carried out. Due to dual-wavelength use, the limitation that imaging is only carried out on the eye vascular structure at present is broken through, functional imaging of the degree of blood oxygen saturation can be carried out, and early detection of a part of eye diseases is facilitated.

An ice-making machine includes a control faceplate and formed with a water tank and an accommodating hollow. The water tank has a water intake connected with the feed water pipe of the accommodating hollow. The accommodating hollow is bored with a draining channel communicating with the water tank and has an insert hole in a side and a trigger switch on an outer side. A water trough pivotally assembled in the accommodating hollow has a push plate at the front side and a pivot at the opposite sides to be fitted with the trigger switch. A freezing system installed in the machine body is composed of a compressor, a condenser, an electric magnetic valve, a dryer with a capillary tube, a vaporizer with plural ice-making rods and a liquid reservoir. The water tank has an ice-collecting box.

The invention discloses a variable-volume and energy-saving washing machine capable of achieving separated washing. A washing tub comprises an outer tub, an inner tub and an annular partition board connected between the outer rub and the inner tub, wherein a dismountable impeller disk is installed at the position corresponding to the annular partition board on the inner wall of the inner tub and divides the inner tub into several vertical layers of mutually-independent washing cabins in the vertical direction in a sealed mode, and washing cabin doors for feeding and taking clothes and corresponding to all layers of washing cabins are respectively formed in the same side face of the washing tub and are in sealed connection with the washing tub. A water supply device further comprises a feed water trough partition plate and evenly partitions a water trough into several mutually-independent partition areas, and each partition area is communicated with all layers of corresponding washing cabins through a water guide pipe respectively. A water draining pipe orifice is formed in the annular partition board, and two ends of a water draining pipe are respectively communicated with the water draining pipe orifice and a water draining groove. The variable-volume and energy-saving washing machine can achieve simultaneous separated clothes washing, can adjust the volume of the washing tub according to the actual using demand at any time and is small in occupied space and capable of saving water and energy.

The invention relates to a humidifier, which comprises a base, a water tank and a water fog diffusing tube. An ultrasonic water fog generating mechanism, an air supply mechanism and a control mechanism are arranged in the base; the ultrasonic water fog generating mechanism comprises a water trough arranged on the upper part of the base; an ultrasonic oscillator is arranged at the bottom of the water tank; a leakage protective hood for enclosing the space above the ultrasonic oscillator is arranged above the ultrasonic oscillator; the leakage protective hood is peripherally inserted into the water trough and is immerged in the water; the water fog diffusing tube is hermetically connected with the leakage protective hood and is communicated with the space in the leakage protective hood; anda fog baffling plate is arranged in the water fog diffusing tube. The invention provides a humidifier which has no water fog leakage at the matching position of the water tank and the water trough, and has simple structure and good leakage protective effect.

The invention discloses a drying and humidifying integrated machine. One end of a compressor is connected with an evaporator, the other end of the compressor is connected with a condenser, and a circulation loop is formed between the evaporator and the condenser through a capillary tube; the steam in the air is condensed into water by the evaporator to flow into a condensation water trough, then the water is injected into an ultrasonic device through a water tank, the water is atomized by an ultrasonic vibration sheet, the atomized water is discharged into the air from a fog nozzle, and the vibration frequency of the ultrasonic vibration sheet is controlled by a fog quantity regulator, thereby regulating the humidifying quantity; a fan 2 is used for dissipating the heat in the ultrasonic device and enabling the ultrasonic atomized water to be spouted from the fog nozzle; a timer is used for determining the working time of the compressor and the ultrasonic vibration sheet; four universal wheels by which an instrument can be moved conveniently are installed on the machine body; and a humidity controller, an air filtering screen, a heating wire, an exhaust fan, a temperature controller, a water level automatic protector, a filtering membrane and other accessories are also installed on the machine body. The machine disclosed by the invention can be used for realizing multiple purposes, has strong practicability, can realize automatic regulation according to the indoor temperature to create an optimal humid temperature environment, is energy-saving and environment-friendly, andcan be moved conveniently.

The invention discloses an interchangeable water tank assembly and a domestic back-suction type dust collector. The interchangeable water tank assembly comprises a water tank body in which a water trough is arranged, a cover body which covers the water tank body to form a closed space in an encircling manner, an electromagnetic valve assembly mounted in the cover body, and flow guide cloth which is located in the water tank body and is close to the water trough, wherein a water flow guide opening is formed in the side wall of the water trough, and corresponds to the flow guide cloth; the electromagnetic valve assembly comprises an electromagnetic valve and a guide pipe with one end connected with the electromagnetic valve; an air injection opening communicated with the other end opening of the guide pipe is further formed in the side wall of the water trough. According to the technical scheme, the interchangeable water tank assembly can prevent a water tank from leaking water or seeping water; and furthermore, the water drain uniformity can be increased, and the cleanness of a floor cleaned by the dust collector is improved.

The invention belongs to the technical field of livestock breeding auxiliary equipment, and particularly relates to an energy-saving heat-insulation water trough for livestock. The energy-saving heat-insulation water trough for livestock comprises a rack, a water trough body and a water storage tank, wherein a partition is arranged in the water trough body; a side wall of one side of the water trough body is provided with a water level sensor and an overflowing opening; a sterilizing box is arranged at an outlet of the overflowing opening; an ultraviolet lamp is arranged on an upper cover of the sterilizing box; a water flow outlet is formed in the bottom of the sterilizing box; a water bath box is arranged on the outside of the water storage box; an electric heater and a temperature sensor are arranged in the water bath box; a water outlet of the water storage tank is connected with a water tube; the water tube is provided with a solenoid valve; the tail end of the water tube is arranged in the water trough body; a returning water inlet is connected with a water flow outlet of the sterilizing box; and the water trough body, the sterilizing box and the water storage tank are arranged on the rack. Remaining water in the water trough can overflow to the sterilizing box, after being sterilizing by the sterilizing box, the water return to the water storage tank, the returning watercan be sterilized, safety of water quality is ensured, and meanwhile, water at a suitable temperature can be provided in winters.

An improved window sill system has a bottom frame structure that is part of a sill frame unit. The bottom frame has a water trough or channel extending across its length at a front edge facing outwardly of a window in which the sill system is to be installed. The water trough or channel has a top plate provided with a plurality of weep holes for capturing rainwater dripping down the window into the water trough or channel. A base plate is provided with screw holes for mounting the bottom frame to a surrounding window frame. An inner deflection wall deflects water captured in the water trough or channel from the screw holes for mounting the bottom frame of the sill system to the window frame.

The invention relates to a fish acoustic-photoelectric behavior testing device, comprising an acoustic reaction device, an optical reaction device and an electric reaction device which are independently combined with a circulation water trough to assemble the testing device or combined with each other two by two and then combined with the circulation water trough to assemble a fish behavior testing device or combined together and then combined with the circulation water trough to assemble the fish behavior testing device; the water flows through a plurality of pores on a water outlet device of the circulation water trough, thus leading the circulated water flow inside the trough body to have stable flowing speed; furthermore, high-precision filtration is adopted to lead the water to have high cleanliness, so as to adapt to the long-time fish behavior test. The fish acoustic-photoelectric behavior testing device has the advantages of reasonable structure, easy fabrication, and especially has the beneficial effects of easy controlling the testing acoustic source to simulate various fish sounds, easy changing the colors of testing light, providing various external profile of penetrating light, controllable electric reaction test voltage, easy measuring the test reaction region, carrying out the long-term fish behavior testing, etc.

The invention relates to an automatic water adding device, in particular to an automatic water adding device for a water trough for animal husbandry. The automatic water adding device for the water trough for animal husbandry can replenish water resources in time, livestock can drink water by itself, time and labor are saved in the water adding process, and water adding efficiency is high. In order to achieve the technical aim, the automatic water adding device for the water trough for animal husbandry comprises a left side plate, a first connecting rod, a guide plate, a spring, the water trough, a pressing block, a button, a first sliding rail, a first sliding block, a first rack, a fulcrum rod, a right side plate, an alarm, a second sliding rail, a second sliding block, a second rack, a gear, a second connecting rod, a water tank, a first water outflow pipe and a first valve. Based on the gear and rack principle, the opening degree of the first valve is controlled through the water amount in the water trough, the flow of water is controlled accordingly, and the situation that water overflows when excessive, and growth of the livestock is affected when too little water exists is avoided.

An automated watering trough is provided with a fluid supply line that automatically fills the trough to a desired volume through the use of a valve and actuator. A protective housing may be provided to substantially encase the valve and actuator, along with an optional overflow conduit, to reduce the incidence of contact between livestock and the automation components. The shell of the trough may be comprised of a recycled tire provided with a base plug, which may support the protective tower and automation components.

The invention provides a plant cultivation trough in the agricultural field. A big end up trough-shaped object with a bottom with a declining rectangular cross section is used as a cultivation trough body, a hole plate is arranged at middle-lower part of the cultivation trough body; the hole plate is provided with water-permeable holes, a water-permeable film coats at the upper part of the hole plate; the upper part of the hole plate is a soil trough, while the lower part of the hole plate is a water trough, and the wall of the water trough is respectively provided with a communicating pipe joint and an inlet / outlet water pipe. In the invention, the cultivation trough is convenient for mechanical mass production and suitable for cultivating plants on the common soil, a desert and a rock; the watering at the lower part can be realized, the moisture content in the soil can be maintained with the optimum degree, meanwhile, nutritive materials in the soil can be recycled, and a fertilizer can be dissolved into water to realize the fertilization along with the water. The cultivation trough is suitable for factory production of the plant cultivation, can generate the comprehensive effects of greenness, environmental protection and high efficiency, and is suitable for application in the plant cultivation of the agricultural field.

The invention provides an experiment device capable of simulating reservoir rock imbibitions under a formation condition and a method. The experiment device comprises an oven, wherein a drying chamberand a measuring chamber are arranged inside the oven; a high-pressure rock core clamp is arranged in the measuring chamber; one end of the high-pressure rock core clamp is connected with a trough pipeline; a water pump and a first pressure gauge are sequentially arranged between the water trough and the high-pressure rock core clamp; the other end of the high-pressure rock core clamp is connectedwith a mercury pipeline; a high-precision pressure gauge of which the precision is 0.1% is arranged between the high-pressure rock core clamp and the mercury pipeline; a confining pressure injectionhole is formed in the side wall of the high-pressure rock core clamp; the confining pressure injection hole is connected with a confining pressure injection pipeline; a second pressure gauge is arranged between the confining pressure injection hole and the confining pressure injection pump. By adopting the experiment device, controllable simulation of a rock core temperature environment, a confining pressure environment and a pressurized fluid environment in a gap under the formation condition is achieved, and measurement results of rock core water absorption quantities are approximate to actual situations.

The invention relates to a storage tank bottom plate corrosion noncontact ultrasonic detection method based on a dynamic wavelet fingerprint technology. The method is characterized by comprising the following steps: selecting a steel plate which is smaller than a water trough from a detected test piece; immersing the detected steel plate into the transparent glass water trough, and fixing an immersion-type non-focusing probe on a movable arm of a four-axis linkage scanning platform; determining a scanning step in an X direction and a Y direction; analyzing a group of acquired echo signals by virtue of a computer, and drawing an original time domain chart of waveforms of the echo signals; intercepting a section of the time domain chart as an effective detection zone; resolving an intercepted time domain signal by utilizing wavelet transformation of the dynamic wavelet fingerprint technology; conducting continuous wavelet transformation on a signal after denoising treatment to obtain a wavelet coefficient matrix; conducting normalization processing on the acquired matrix; simultaneously writing an acquired imaging time point and a location coordinate of the time point recorded during the scanning into the matrix to obtain a C scanning image. According to the method, corrosion defects on a storage tank bottom plate can be detected under the situation that a storage tank does not need to be cleaned, so that the detection efficiency can be improved, and the detection cost can be reduced.

The invention provides an ultrasound feature imaging detecting device for detecting a stirring friction weld detect of an airplane oil tank. The ultrasound feature imaging detecting device comprises a water trough, an oil tank moving system, a detection scanning system and an ultrasound imaging system. A detection probe support position adjusting mechanism formed by the X axis, the Y axis and the Z axis is included, a detection probe support is installed at the tail end of the Z axis, three detector probes with different incident angles are installed on the detection probe support, and the oil tank is driven to rotate through positioning pins. The invention further provides a corresponding method for detecting the stirring friction weld detect of the airplane oil tank. Transverse waves and longitudinal waves are generated in the stirring friction weld, the ultrasound feature imaging principle is then combined, and the welding quality of a stirring friction weld of the airplane oil tank is automatically detected.

The invention discloses an upper water-adding humidifier. The upper water-adding humidifier comprises a water tank, a water trough, a water level control device, an energy converter and a spray nozzle, wherein the water tank is arranged above the water trough; a water adding port and a water discharging port are formed on the upper part and at the bottom of the water tank respectively; the water level control device is arranged at the water discharging port, and comprises a water leading pipe, a first piston part and a floating part; a mouth at the upper end of the water leading pipe is communicated with the water discharging port of the water tank; a mouth at the lower end of the water leading pipe is stretched into the water trough; the first piston part and the floating part are positioned in the water trough and connected with each other; the first piston part is positioned below the water leading pipe and matched with the mouth at the lower end of the water leading pipe; and the floating part is sleeved on the water leading pipe in a movable manner. The water level control device of the water-adding humidifier has a simple structure and low cost, so that the cost of the humidifier is lowered.

The invention discloses a double-layer aluminum gutter greenhouse, which is composed of a main body structure, a cover material and an ancillary facility, wherein the main body structure comprises upright columns, composite beams, water troughs and wall beams; the ancillary facility comprises a ventilation system, a heating system, a power distribution system and an automatic control system; the water trough adopt aluminum gutters, and the aluminum gutters are aluminum structure devices which have the functions of rainwater collection, condensate collection and drainage. According to the double-layer aluminum gutter greenhouse, the anti-bending performance is strong, the sectional dimension is smaller than that of a steel gutter, the shading area is small, and the problem of condensate collection in the greenhouse is solved; a middle cavity is used for separating air inside and outside the greenhouse, so that the heat loss of the steel gutter is reduced; and besides, the double-layer aluminum gutter greenhouse has the properties of dew collection and heat insulation and provides a good growing environment for seedling breeding.

The invention relates to the technical field of agriculture, in particular to a soilless culture device and a method thereof. The soilless culture device comprises a water supply system and a plantation system. The water supply system comprises a water pump 1, a water storage device 2, water inlet pipes 3 and water drainage pipes 4. The water pump is arranged in the water storage device. The plantation system comprises a water trough 5, a bracket 6 and plantation pots 7. The bracket is arranged on the water trough. The plantation pots are fixed onto the bracket. Two ends of each water inlet pipe are communicated with the water pump and the water trough. Two ends of each water drainage pipe are communicated with the water storage device and the water trough. Overflow holes 8 are arranged in the water trough. The height of each overflow hole is the same as that of the necessary irrigation water level. The overflow holes are communicated with the water drainage pipes. The bottom of the water trough is provided with water drainage holes communicated with the water drainage pipes.The soilless culture device and method thereof have following beneficial effects: the soilless culture device is scientific and reasonable in irrigation mode, significant in irrigation efficiency, little in maintenance, long in service lifetime, coherent in water absorption of plants and low in requirement for water quality.

The invention relates to an experiment device for simulating mud-rock flow motion and an experiment method thereof. The experiment device comprises a material box, a water trough which is connected with one end of the material box, and an accumulating panel which is connected with one end of the water trough. One end, which is connected with the water trough, of the material box is provided with amanual handholding controlling type gate. The experiment device further comprises the components of an ultrasonic distance measuring sensor which is configured above the water trough and the accumulating panel in a matching manner, a force sensor module which is arranged at bottom of the water trough and the accumulating panel in a matching manner, a synchronous data acquisition system and a high-speed image camera, wherein the synchronous data acquisition system and the high-speed image camera are configured outside the water tank in a matching manner. The experiment device can realize simulation for movement of the mud-rock flow and can observe and research an accumulation characteristic of the mud-rock flow in an accumulating sector. The device and the method can be used for researching interaction between the mud-rock flow and a dam structure. The experiment device and the experiment method settle a problem of incapability of effectively acquiring a mud-rock flow substrate stressstate by an existing mud-rock flow simulating device and realize synchronous measurement for flow depth, aperture water pressure, direct stress and shear stress in a mud-rock flow movement process.

The ecological combined snake cultivating cage is one closed hexahedron comprising connected wall boards. Its right side is provided with ventilation hole, watching window, vibration generator, temperature and humidity detecting instrument, atomizer and temperature regulator as well as inlet and outlet. It has also excrement drawer in the lower part, inside inhabiting netted shelf with water trough and feed trough connected to the side walls, etc. The present invention has reasonable design, compact structure, simple making, lower cost, high snake yield and quality and other advantages.

The invention discloses a water feeding system with a mixing function for animal husbandry. The water feeding system comprises a tank body and a treading trigger mechanism, wherein the tank body is arranged on the ground, a water storage chamber is arranged at the upper end of the tank body, strip-shaped chambers are formed in internal walls of the tank body, a water trough is arranged in the ground and is located at the left side of the tank body, and a sliding groove is formed in the ground; and the treading trigger mechanism comprises a current conducting plate which is connected into the sliding groove in an up-and-down sliding manner, two connecting blocks are symmetrically and fixedly connected above the current conducting plate, upper ends of the two connecting blocks are fixedly connected with a bearing plate jointly, and the lower end of the current conducting plate is in elastic connection with the internal bottom of the sliding groove through two connecting springs. According to the water feeding system, the treading of the bearing plate by an animal serves as a trigger condition, thus, water is injected into the water trough, manual water injection is not required, theconsumption of labor is lowered, and meanwhile, a temperature of the water can be controlled; and a mixing mechanism is arranged, so that the adaptability of use of the system is greatly improved.

The invention provides a cooling fluid type magnetic fluid sealing device with heat conducting fins being embedded and belongs to the field of sealing of mechanical engineering. The cooling fluid type magnetic fluid sealing device with the heat conducting fins being embedded successively solves the problems that by the adoption of an existing magnetic fluid sealing device, when the linear speed reaches over 20 m / s, magnetic fluid in sealing gaps emits a large amount of heat, the service life is shortened, and even the existing magnetic fluid sealing device is ineffective. The cooling fluid type magnetic fluid sealing device with the heat conducting fins being embedded is composed of a magnetic fluid sealing assembly, the heat conducting fins (16), a cooling system and connectors (25). The heat conducting fins (16) adhere into all toothed grooves through a sealant, the inner circles of the heat conducting fins (16) are flush with corresponding pole teeth, the outer diameter of each heat conducting fin is smaller than the inner diameter of the corresponding tooth groove, and therefore an annular water trough is formed between each heat conducting fin and a corresponding pole shoe. Each water trough is provided with two channels used for circulation of cooling fluid.

The invention provides an automatic weighing digestion metabolism cage for pigs and application thereof. The metabolism cage comprises a base, a feeding cage, a feed trough and a duck bill-type water trough, wherein the feed trough can be fixed on the feeding cage in a sliding mode, and the feeding cage is connected with the base by four weighing sensors. The cage can automatically monitor the weight change of test pigs, fully separate and collect stool and urine in real time, accurately measure the feed intake and improve the comfort of test pigs during breeding.

The invention discloses a cattle water trough provided with a flip cover, a water filling device and a heating device. The cattle water trough comprises a water trough body, a rotary shaft, a servo motor, a cover plate, a water level sensor, an electrical control water valve, a water temperature sensor, an electric heater, a pedal, a weighing sensor and a controller. According to the cattle water trough, when no cattle drink water, the controller controls the servo motor to drive the rotary shaft to rotate so that a water trough opening of the rectangular water trough body is covered with the cover plate, and dust and the like can be prevented from polluting drinking water; when cattle need drinking, the cattle stand on the pedal, the cover plate rotates to be opened, and the cattle can drink water normally; the level of drinking water can be detected by the water level sensor, when the water level is lower than a set value, the controller controls the electric control water valve to fill water to the rectangular water trough body, and it is convenient for the cattle to drink water; the temperature of the drinking water can be detected by the water temperature sensor, when the water temperature is lower than a set value, the controller controls the electric heater to heat the drinking water to be in a set range, so that the problem that disease is caused to the cattle due to drinking cold water in winter can be solved.