43results about How to "Automatic water replenishment" patented technology

The invention discloses an automatic water supplementing steam generating device comprising a water tank assembly, a steam generator, a steam pot, a heating body and an anti-burning device. The water tank assembly is flexibly arranged above a water tank seat, the steam generator is fixedly arranged above the water tank seat, the heating body is arranged under the steam pot, the lower end of the water tank is provided with a water outlet valve, the water outlet valve is communicated with the lower end of the steam pot through a connecting pipe, and the connecting pipe is arranged in the water tank; the end of the connecting pipe connected with the water outlet valve is provided with a water inlet valve, the water inlet valve is mutually matched with the water outlet valve, the upper end of the steam pot is communicated with the inner upper end of the water tank of the water tank assembly through an air pressure balance pipe. By the application of the automatic water supplementing steam generating device, automatic water supplementing is achieved, water pumps are omitted, and cost is effectively decreased; by the arrangement of an automatic decompression device and an anti-dry burning temperature sensor, the performance of safety use is high, the pressure of steam outputting is adjustable and potential risk is eliminated effectively by the arranged anti-burning device.

The invention discloses an automatic pet feeding device. The automatic pet feeding device comprises a body, wherein the body is provided with a food feeding bucket, a water feeding bucket, a water feeding disc, a food feeding bowl, a treatment water tank, a spraying water tank, a draught fan and a water pump; the automatic pet feeding device can be used for conveniently feeding foods and water atfixed time; meanwhile, the water feeding disc also can be washed and cleaned and the washed food feeding bowl can be dried through the blowing of the draught fan. The automatic pet feeding device disclosed by the invention has the function of automatically cleaning the pet food feeding bowl and has the characteristics of simple structure, strong practicability and the like.

The invention discloses a planting basin for a roof garden. The planting basin comprises a tubular basin body, wherein a plurality of water filling springs are fixed to the bottom in the basin body; abaffle which is in sealing and sliding connection with the inner wall of the basin body is jointly fixed to the upper ends of the water filling springs; a flow discharging groove is formed in the inner wall of the basin body in a penetrating manner; a bearing plate is fixed to the inner wall of the basin body; a plurality of water supplementing pipes which are manufactured from semipermeable membrane materials are arranged at the upper end of the bearing plate in a penetrating and inserting manner; and a water collecting groove is formed in the upper end of the basin body. The planting basindisclosed by the invention has the advantages that when the outdoor temperature in the morning is raised but is not too high, an extruding block is pushed by the deformation of the pushing block to move upwards, and accumulated water at the upper part of a watering cavity is sprayed out, so that watering plants in advance is realized; accumulated water is left on the surfaces of plant leaves, so that the situation that at the high temperature at noon, the plant leaves are dehydrated too quickly to generate damage can be avoided; and after the temperature in the afternoon is gradually reduced,the pushing block moves downwards to restore the deformation and pushes water flow at the lower part of the watering cavity to spray out, and water replenishing is performed on plant leaves subjectedto high temperature.

The invention discloses compound type efficient lampblack purifying equipment. The compound type efficient lampblack purifying equipment comprises a purifying pipeline and an oil-water separation water tank. A lampblack suction pipeline is connected to an upper end opening of the purifying pipeline. A spraying device and a purifying device are arranged in the purifying pipeline. The spraying device is correspondingly located above the purifying device. The purifying device comprises a mixed-flow fan and a rotary filter element. The mixed-flow fan comprises a motor and an impeller. The impeller comprises a front disc, a rear disc and blades. A conical channel is formed between the front disc and the rear disc. The blades are located in the conical channel and fixed to the front disc and the rear disc. The rear disc is in linkage with the motor through a transmission device. The rotary filter element is formed by connecting filter meshes in an enclosing manner, wherein the filter meshes form an inverted-cone structure with the wide upper portion and the narrow lower portion. The rotary filter element is located at an inlet of the conical channel. A dehydrator is connected to an outlet of the conical channel. By means of the structure, the compound type efficient lampblack purifying equipment is high in lampblack capturing and cleaning efficiency.

The invention discloses a cold mist system. The cold mist system comprises a water tank, a refrigeration unit and a high-pressure spraying machine, wherein the refrigeration unit and the high-pressure spraying machine are connected with the water tank through a pipeline. The cold mist system is characterized in that a circulation pump is connected between the water tank and the refrigeration unit and enables water inside the water tank to constantly refrigerate among the circulation pump, the water tank and the refrigeration unit in a circulation mode; the high-pressure spraying machine comprises a high-pressure pump and atomizing spraying nozzles connected with the high-pressure pump through a high-pressure conveying pipeline, and an adjusting valve is arranged between the high-pressure pump and the atomizing spraying nozzles and connected with the water tank through a pipeline. The adjusting valve can adjust the flow of cooling water output by the high-pressure pump and can make the cooling water rapidly pass through the high-pressure pump and enter the atomizing spraying nozzles to be sprayed out, the flow of cold mist sprayed by the atomizing spraying nozzles is uniform with the flow of the cooling water output by the high-pressure pump after adjustment is performed by the adjusting valve, and therefore atomizing temperature and the temperature of the cooling water before the cooling water enters the high-pressure pump are roughly uniform. The sprayed cold mist can be used for human body skin experience, greenhouse planting cooling, farm cooling and others.

The invention particularly provides an automatic water-supplementing water seal technology of a water-seal well. The automatic water-supplementing water seal technology of the water-seal well comprises the following steps that (1) a water-supplementing water tank is arranged on the inner wall of the water-seal well; (2) a water supplementing pipeline is introduced from a water supply pipe network of an oil field station or a high water tank in the oil field station to the end of a water supplementing pipeline at the upper end of the water-supplementing water tank, and is connected with a float valve, and the float valve is arranged in the water-supplementing water tank; (3) a communicating pipe is introduced from the lower end of the water-supplementing water tank to be communicated with the water-seal well so that a U-shaped tube can be formed by the water-supplementing water tank and the water-seal well, and a one-way valve is arranged on the communicating pipe; (4) incoming water in the water supplementing pipeline is provided for the water-supplementing water tank through opening of the float valve; (5) the one-way valve is opened, water in the water-supplementing water tank is conveyed to the water-seal well through the communicating pipe, and the liquid level in the water-seal well and the liquid level in the water-supplementing water tank are consistent. According to the automatic water-supplementing water seal technology of the water-seal well, automatic water supplementation of the water-seal well is achieved according to the principle of the U-shaped tube, the structure is simple, operation is convenient, the cost is low, automatic water supplementation of the water-seal well is effectively achieved, the water seal effect of the water-seal well is achieved, and the risk of safety accidents in the oil field station is reduced.

The invention relates to a control, detection and alarming device for circulating water system for an internal mixer, which is characterized in that a solenoid electric valve is assembled on a soften water pipe communicated with a circulation loop system of the internal mixer, a temperature detection element and a digital electro connecting pressure gauge are respectively assembled in the circulation loop system of the internal mixer, the switching value signal of the upper pressure limit and the lower pressure limit of the digital electro connecting pressure gauge is accessed into an input interface circuit of a PLC (programmable logic controller), and an output interface circuit of the PLC outputs relevant switch on or switch off control signal for the solenoid electric valve and a combined aural and visual alarm. In the system, when the pressure of circulation water is higher or lower than a rated value, the PLC is used for controlling the on and off of the solenoid electric valve so as to replenish water for the system or cut off the water replenished; and when interval time spent on switching on the solenoid electric valve under the control of the PLC for replenishing water for three times is lower than the rated value, leak point occurs in the system, and the combined aural and visual alarm alarms. The device is prompt and efficient in water replenishment controlling and water leakage detection and alarming, softened water leakage amount is reduced, and sizing material quality is improved.

The invention belongs to the technical field of water heaters, and particularly relates to a water inlet valve and a heating water heater. According to the water inlet valve and the heating water heater, the technical problem that when an automatic water supplementing function is added to an existing heating water heater, a pipeline needs to be additionally arranged on a water inlet valve, an electromagnetic valve needs to be externally arranged, and consequently a pipeline structure is complex is solved. The water inlet valve comprises a first valve body and a second valve body, a water inlet pipeline, a heating water inlet passage and a heating water return passage are arranged in the first valve body, and living water inlet, heating water inlet and heating water return are achieved; moreover, a first water supplementing channel, a second water supplementing channel and a zero cold water channel are arranged in the second valve body and are respectively provided with an automatic water supplementing valve, a manual water supplementing valve and a one-way valve, so that automatic water supplementing, manual water supplementing and domestic water outlet backflow are realized. The water inlet valve comprises the two valve bodies which are connected in a sealed mode, the automatic water supplementing function is integrated, no extra pipeline needs to be arranged, and pipeline arrangement of the water inlet valve is simplified.

The invention provides a composite type hot water system combining solar energy with a heat pump water heater. The composite type hot water system comprises a solar energy system, a heat pump system and a temperature control system, wherein the temperature control system is used for connecting the solar energy system with the heat pump system, and comprises at least one temperature control valve and a temperature control panel, and the temperature control panel is used for controlling the opening and the closing of the temperature control valves. The composite type hot water system combining the solar energy with the heat pump water heater has the beneficial effects that through the arrangement of the temperature control system, the solar energy water heater and the heat pump water heater are skillfully combined, so automatic water supplementing is realized, first usage of the solar energy hot water is realized, and cost is reduced.

An intelligent high-altitude steel pipe artificial green island and a manufacturing method are provided. The green island is formed by a central vertical pipe and n layers of landscape racks. The landscape rack is formed by 2 to 4 bends and a support frame, wherein one end of each bend is welded to the central vertical pipe. A welded end of each bend is connected with the central vertical pipe andis loaded with mellow soil. Vine plants are planted at a horizontal port at the other end of the bend for greening and landscape. A water header pipe and a liquid material header pipe are installed on a side wall of the central vertical pipe; a water and material drop pipe is installed above the mellow soil; water and fertilizer are supplied by drip irrigation. Water and material are supplied tohorizontal ports at each layer by a water pump and a material supply pump. Rainwater and underground water are applied in the feed pipe. A mellow soil humidity sensor and control cabinet are installedto acquire signals for intelligent water supplement; fertilizer is regularly and automatically supplied. The green Island releases oxygen, absorbs carbon dioxide and reduces PM2.5 every day to eliminate the heat island effect, which is equivalent to a forest. Small green islands can be for home use and large for public use. The green island has a large planting area and can be used by families for food and clothing for the whole year. It can be used for poverty alleviation projects. It can also be used for the storage of cinerary caskets for funeral parlours and churches. It can also be usedas a wind-resistant structure for desert renovation.

The invention discloses a water supply device for breeding insects. The water supply device for breeding the insects comprises a water storage bottle, a water storage body and a tray, wherein the bottom of the water storage bottle is long and thin, and a round of water outlet holes are formed in the bottom of the water storage bottle, water in the water storage bottle can outflow from the water outlet holes, the water storage body is in a discoid shape, holes are formed in the middle of the water storage body, the edge of the tray is a circular protrusion, the middle of the tray is provided with a small circular protrusion, the size of the water storage body can enable the water storage body to be placed between the two circular protrusions of the tray exactly, the middle portion small circular protrusion of the tray can be inserted into the bottom of the water storage bottle exactly, water inlet holes are formed in the wall of the middle portion small circular protrusion of the tray, and when the bottom of the water storage bottle is inserted into the middle portion small circular protrusion of the tray, the water outlet holes is one-to-one correspondence to the water inlet holes. The water supply device for breeding the insects has the advantages that the insects can not be drowned when the insects take the water, and the device can replenish the water automatically.

The invention discloses a temporary construction road simple automatic water-saving spraying dust-settling system which comprises a water supply module and a ground spraying module, the water supply module is used for supplying water to the ground spraying module, and the ground spraying module is used for being installed on a road fence; and the ground spraying module comprises a self-propelled trolley, the self-propelled trolley comprises a self-propelled trolley body, a water storage cavity is formed in the trolley body, a spraying assembly is arranged on the trolley body, the spraying assembly communicates with a spraying arm of the water storage cavity, and a spraying head is arranged on the spraying arm. In the walking process of the self-walking trolley, the spraying assembly can spray the construction position, the self-walking trolley can spray according to the specific dust raising position, the multiple self-walking trolleys can be concentrated in the area where dust raising is large, and therefore the dust falling spraying effect can be improved.

The invention discloses a purified oil recovery device for domestic sewage. The purified oil recovery device comprises an oil purification pipe with an oil purification system, wherein the oil purification system comprises a spherical oil purifier and a supporting rod; the oil purifier is arranged in the oil purification pipe in a clearance fit manner; an oil purification chamber is formed insidethe oil purifier; a water inlet hole is formed in the surface of the oil purifier; the oil purifier is fixedly connected onto the supporting rod; the central axis of the supporting rod is perpendicular to the central axis of the oil purification pipe, and the supporting rod is rotationally connected onto a water purification pipe; a rotating disc is fixedly connected to the left end of the supporting rod; a cylinder is arranged below the rotating disc; an air inlet one-way valve and an air outlet one-way valve are arranged on side walls of the cylinder; the air inlet one-way valve is connectedwith an oil purification liquid tank by virtue of a pipeline; the air outlet one-way valve is connected with a pipeline; the pipeline is rotationally connected to the right end of the supporting rod;a blind hole is formed in the right end of the supporting rod along an axial direction; a liquid outlet hole is formed in the supporting rod; multiple balls are arranged in the oil purification chamber; a baffle is arranged on the pipe wall of the oil purification pipe above the oil purifier. With the adoption of the technical scheme, the sewage can be subjected to purified oil recovery, and thesewage is prevented from blocking the pipeline.

The invention discloses a fish tank with a self-filtering function. The fish tank includes a tank body, the bottom of the tank body is provided with a base, the top of the tank body is provided with an end cover, the tank body is internally provided with a fish breeding area and a plant cultivation area, a separation plate is arranged between the fish breeding area and the plant cultivation area,an irrigation device is arranged in the plant cultivation area, a controller is installed in the separation plate, a number of heaters and a temperature sensor are installed on the side wall in the fish breeding region, the heater and the temperature sensor are electrically connected with the controller, a soil layer is arranged in the plant cultivation area, and the bottom of the soil layer is provided with a filter box. The fish tank has good ornamentality and can automatically supplement water for irrigation, labor is saved, the fish tank has the automatic filtering function, water resources are saved, and the influence of fishy smell in the fish tank on the environment is avoided.

The invention relates to a lysimeter for automatically monitoring a conversion process of soil water and underground water in a paddy rice. The lysimeter comprises a lysimeter area, an observation pond, an air pressure adjusting pipe, a pervious pipe, a valve, a filter, a positioning water tank, a positioning water tank guide rail, a valve, a skip bucket water meter, a water supplementing box, a water supplementing opening, a ventilation pipe and a water level gauge, which belongs to the field of agriculture science, and particularly relates to a device for acquiring conversion amount of soil water and underground water in the field. The lysimeter has the beneficial effects that (1) the lysimeter which can precisely measure the conversion amount of the soil water and underground water in the paddy field is provided; (2) the lysimeter can automatically supplement and discharge the water; (3) the underwater supplement amount measurement precision of the lysimeter can reach 0.07 mm; (4) the water leakage amount measurement precision of the lysimeter can reach 0.01 mm; and (5) the water supplementing and water discharging variation following time of the lysimeter is smaller than 5 minutes.

The invention discloses a double-centrifugal-disc humidifier. The double-centrifugal-disc humidifier comprises an outer shell and a motor; a rotating shaft of the motor is vertically arranged in the outer shell; a water tank is formed in the bottom of the outer shell; an intake port is formed in the middle part of the outer shell; an exhaust port is formed in the top of the outer shell; blades arearranged in the exhaust port at the upper end of the rotating shaft of the motor; an upper centrifugal disc and a lower centrifugal disc are arranged at the lower end of the rotating shaft of the motor in parallel; a chassis is arranged in the outer shell, and is provided with water quantity control rings surrounding the upper centrifugal disc and the lower centrifugal disc; arc guide blades areuniformly arranged on the water quantity control rings in the peripheral directions; and water vapor channels are formed between the adjacent arc guide blades. The double-centrifugal-disc humidifier saves the energy consumption when refining water mist.

The invention discloses a leak-proof water drainer. The water drainer comprises a water drainer body. The water drainer body comprises a first chamber, a second chamber, a third chamber and a fourth chamber. All the chambers communicate with one another through communication pipes. A water falling pipe is further arranged on the first chamber. The water falling pipe is led into the first chamber.A leak-proof device is fixedly arranged on a drain outlet of the water drainer body. A water drain pipe is arranged at the drain outlet of the leak-proof device. The water drainer further comprises aleak-proof mechanism. The leak-proof mechanism is fixed in the first chamber. The leak-proof mechanism is fixedly connected with the communication pipe in the first chamber and used for opening and closing the communication pipe. A traditional simple water-seal water drainer is replaced, the breakdown phenomenon of the water drainer due to pressure fluctuations and water hammers in a gaspipe network is avoided, accidental gas leakage is effectively prevented, the effects of water draining when water exists, sealing without water, automatic water supply and automatic air return are truly achieved, and the application safety is ensured.

The invention discloses a movable intelligent potted plant cultivation platform. The platform comprises a fixing support, a bottom plate, a fixing shaft, a left camera, a right camera, an illuminance sensor, an air humidity detector, a soil humidity detection head, a soil water and material supplement nozzle, an atomization sprayer, a first universal hose, a second universal hose, a storage battery, a nutrient box, crawler bases, a motor, a water storage tank, a wireless communication module, a motor driving module, a microcontroller control unit and a water inlet pipe. The cultivation platform can automatically move in sunshine, water and material supplement can be automatically conducted, and environment can be remotely observed by the cameras.

The invention belongs to the technical field of smart agriculture, and relates to a farmland intelligent irrigation forecasting system, which comprises an evaporation dish used for reflecting the plant evapotranspiration of a farmland; the remote signal controller is used for receiving the evaporation pan liquid level data measured by the liquid level meter and sending the received evaporation pan liquid level data to the monitoring terminal; the monitoring terminal is used for processing and displaying irrigation data; the automatic water replenishing device is used for replenishing water into the evaporating dish until the water surface reaches the initial mark position after the water surface in the evaporating dish reaches the irrigation mark position. The system has the advantages that automatic forecasting of farmland irrigation is achieved through design of automatic water replenishing, automatic observation, remote data transmission and the like, and important reference is provided for intelligent and accurate irrigation in intelligent agriculture.

The invention discloses a safe humidifier capable of supplanting water automatically. The top of a humidifier body is in screw joint with an upper cover through a sealing ring. A rubber foot pad is installed at the bottom of the humidifier body. A mist spraying opening is formed in the upper cover. An ultraviolet sterilizing lamp is installed in an inner cavity of the upper cover. A water condensing groove is formed in the bottom of the inner cavity of the upper cover. A filtering net and a negative ion filter are connected in an inner cavity of the water condensing groove in an inserted manner. The bottom of the negative ion filter is connected with a mist outlet of a water tank. A micro draught fan is arranged at the bottom of the water tank. A heating electrode plate is arranged in an inner cavity of the water tank, and a first water level sensor and a second water level sensor are installed on the inner wall of the water tank. The bottom of the water condensing groove is connected with an electromagnetic valve which is connected to the inner cavity of the water tank through a hose, and a heat insulation bar is arranged in the inner cavity of the water condensing groove. The safe humidifier capable of supplementing water automatically is easy to operate, a clean humidifying effect can be effectively provided, and the service life of the humidifier is prolonged.

The invention discloses a drilling machine drilling device with a dust falling function, which comprises a gate-type rack, a hydraulic cylinder, a lifting seat, a spiral drill rod, an automatic water replenishing mechanism, a flushing assembly, a cleaning assembly and a dust falling assembly, the hydraulic cylinder is fixedly mounted at the top end of the gate-type rack, the lifting seat is slidably mounted on the gate-type rack, a motor cover is arranged at the upper end of the lifting seat, a driving motor is arranged in the motor cover, an output shaft of the driving motor is connected with a spiral drill rod, and the spiral drill rod is located below the lifting base. By arranging the dust falling assembly, in the drilling process, a water suction pump can be used for conveying water into a first atomization water pipe through a first water conveying pipe, and water in the first atomization water pipe is divided and conveyed into a second atomization water pipe through a telescopic water conveying pipe; and water is atomized and sprayed out through atomization nozzles on a first atomization water pipe and a second sewage water pipe, the phenomenon that dust flies in the drilling process can be effectively reduced, and the dust falling effect is good.

The invention discloses a double-centrifugal-disc humidifier. The double-centrifugal-disc humidifier comprises an outer shell and a motor; a rotating shaft of the motor is vertically arranged in the outer shell; a water tank is formed in the bottom of the outer shell; an intake port is formed in the middle part of the outer shell; an exhaust port is formed in the top of the outer shell; blades arearranged in the exhaust port at the upper end of the rotating shaft of the motor; an upper centrifugal disc and a lower centrifugal disc are arranged at the lower end of the rotating shaft of the motor in parallel; a chassis is arranged in the outer shell, and is provided with water quantity control rings surrounding the upper centrifugal disc and the lower centrifugal disc; arc guide blades areuniformly arranged on the water quantity control rings in the peripheral directions; and water vapor channels are formed between the adjacent arc guide blades. The double-centrifugal-disc humidifier saves the energy consumption when refining water mist.

The invention relates to a cheese cutting knife and a small diversified dairy product processing device and belongs to the field of dairy product processing devices. The cheese cutting knife comprises a vertical rotating shaft (2) and a plurality of cutting blades (21) fixed on the circumference of the rotating shaft (2), the cutting directions of the cutting blades (21) are staggered and perpendicular to the vertical plane where the cutting blades (21) are located, the cheese cutting knife is vertically arranged in an inner container (3), a stirring mechanism is arranged at the lower end of the rotating shaft (2), and a hot and cold water heat conduction layer (4) is formed between a heat insulation layer (6) and the inner container (3), connected with a water inlet and drainage mechanism and communicated with a circulating water pump (12) and a heating device through a circulation loop. A motor (1), the water inlet and drainage mechanism, the circulating water pump (12) and the heating device are connected with a control circuit. The cheese cutting knife and the small diversified dairy product processing device have the advantages that cheese is automatically and rapidly cut into blocks and diversified dairy product can be made.

The invention discloses a simple automatic water-saving spray and dust reduction system for temporary construction roads, its water supply module and ground spray module, the water supply module is used to supply water to the ground spray module, and the ground spray module is used to install on On the road fence; the self-propelled trolley of the ground spray module, the trolley body of the self-propelled trolley, a water storage cavity is arranged in the trolley body, a spray assembly is arranged on the trolley body, and the spray assembly A spray arm communicated with the water storage chamber, the spray arm is provided with a spray head. In the process of walking the self-propelled trolley in this application, the spray assembly can spray the construction site, and the self-propelled trolley can spray according to the specific dust-raising position, and multiple self-propelled trolleys can be concentrated in areas with large dust position, so the effect of dust suppression spray can be improved.

The invention discloses a high-efficiency and energy-saving resistance heating coupled electric transport oxidant delivery device and method for repairing organic polluted soil, comprising a heating unit, an extraction unit, a monitoring unit and a ground treatment unit. Simply using resistance heating requires a long heating time, and simply using chemical oxidation cannot effectively transport the oxidant to the polluted area. Resistance heating can activate oxidants, increase the vapor pressure and solubility of pollutants, and promote their volatilization and dissolution, thereby improving oxidation efficiency and enhancing the contact ability with pollutants, shortening the repair period and reducing repair costs. At the same time, the oxidant can improve the efficiency of resistance heating repair, and the electric transport of oxidant can transport the oxidant to the target contaminated area to enhance precise repair, reduce the energy consumption required for resistance heating, and have strong process compatibility with resistance heating equipment. The invention can be installed according to the specific conditions of local polluted areas, has low investment cost, is suitable for repairing soil polluted by organic non-heavy metals, and has great popularization value.

The invention discloses an evaporative cooling type external cooling system for a direct current converter station, which comprises a heating assembly, a first cooling water pipe spirally surrounds the outer side of the heating assembly, a hollow storage disc is arranged at the top of the heating assembly, and thermal expansion liquid is arranged in the hollow storage disc; an outer cooling tower is arranged on one side of the heating assembly, and a hollow cavity, a water storage tank and a water supplementing tank are fixedly installed on the outer side of the outer cooling tower. According to the invention, cooling water in the first cooling water pipe, the circulating chamber and the second cooling water pipe can be automatically exchanged when the temperature of the heating assembly is relatively high, self-circulation of the cooling water is realized, the heating assembly is cooled, the use is convenient, the second cooling water pipe can be automatically sprayed and blasted after the cooling water is exchanged, heat exchange is accelerated through evaporation of spraying water, and the cooling effect is better. The system is suitable for converter stations.

The invention provides a composite type hot water system combining solar energy with a heat pump water heater. The composite type hot water system comprises a solar energy system, a heat pump system and a temperature control system, wherein the temperature control system is used for connecting the solar energy system with the heat pump system, and comprises at least one temperature control valve and a temperature control panel, and the temperature control panel is used for controlling the opening and the closing of the temperature control valves. The composite type hot water system combining the solar energy with the heat pump water heater has the beneficial effects that through the arrangement of the temperature control system, the solar energy water heater and the heat pump water heater are skillfully combined, so automatic water supplementing is realized, first usage of the solar energy hot water is realized, and cost is reduced.

The invention discloses an evaporative cooling type external cooling system for a DC converter station, which includes a heating component, a first cooling water pipe spirally surrounds the outer side of the heating component, a hollow storage plate is arranged on the top of the heating component, Thermal expansion fluid is arranged in the hollow storage tray, an external cooling tower is arranged on one side of the heating component, and a hollow cavity, a water storage tank and a water replenishment tank are fixedly installed on the outer side of the outer cooling tower. The present invention not only can automatically exchange the cooling water in the first cooling water pipe, the circulation chamber and the second cooling water pipe when the temperature of the heating component is high, realizes the self-circulation of the cooling water, cools down the heating component, is convenient to use, and can also be used in After the cooling water is exchanged, the second cooling water pipe is automatically sprayed and blasted, and the evaporation of the sprayed water is used to speed up the heat exchange and the cooling effect is better. Suitable for converter stations.