1194results about How to "No energy consumption" patented technology

The invention relates to a chemical method for in-situ large-area controlled synthesis of a perovskite type CH3NH3PBI3 membrane material based on a lead simple-substance membrane. The method comprises: sputtering the lead simple-substance membrane on the surface of a substrate, then horizontally immersing the substrate material possessing the lead simple-substance membrane in an organic solution containing a simple substance iodine and iodinated methylamine, and performing a constant-temperature reaction to prepare a CH3NH3PBI3 membrane material in situ; or putting the substrate possessing the lead simple-substance membrane in a steam atmosphere of a simple substance iodine to perform iodination to generate a lead iodide membrane, then immersing in an organic solution containing iodinated methylamine, and performing a constant-temperature reaction to prepare the CH3NH3PBI3 membrane material in situ. The method is simple in operation, low in energy consumption and low in cost, and has wide industrial application prospect. The obtained CH3NH3PBI3 membrane is high in purity, uniform in membrane-surface crystal and excellent in crystallinity.

The invention provides hollow fluorescent carbon quantum dots as well as a preparation method and application thereof and belongs to the technical field of light-emitting nano materials. The preparation method comprises the following steps: adding ethanediamine and concentrated acid into water soluble saccharides serving as a carbon source, so as to obtain a puce viscous material; after reaction stops, naturally cooling a glass container, adding a certain amount of secondary water, stirring for dissolving to obtain a dark brown solution, and dialyzing to remove impurities, thereby obtaining a hollow carbon quantum dot aqueous solution; and freeze-drying to obtain the hollow carbon quantum dots. The preparation method is simple in process, wide in raw material source, low in price, low in preparation condition requirement, and free from energy consumption; the obtained hollow carbon quantum dots are relatively high in yield, small in particle diameter and uniform in size; the preparation method is capable of realizing batch production; the obtained hollow carbon quantum dots can be used for anticancer drug carriers, are capable of reducing the toxic and side effects of anticancer drugs and also can be used in detection of VI ions in water.

The present invention discloses a photovoltaic rapid turn-off device and a photovoltaic system. The device comprises a first switch, a second switch, a bypass diode, an auxiliary source, a control circuit and a communication circuit. One of the photovoltaic assemblies is taken as a power supply photovoltaic assembly, and the output end of the power supply photovoltaic assembly is connected with the input end of the auxiliary source; the first switch is connected in series between the power supply photovoltaic assembly and a photovoltaic assembly adjacent to the power supply photovoltaic assembly; two ends of the second switch are respectively connected with the output anode and the output cathode after the photovoltaic assemblies are connected in series; the cathode of the bypass diode is connected with the low-voltage end of the photovoltaic assembly adjacent to the power supply photovoltaic assembly, and the anode of the bypass diode is connected with the low-voltage end of the power supply photovoltaic assembly; the communication circuit is configured to receive the turn-off instruction sent by the outside and send the turn-off instruction to the control circuit; and the control circuit is configured to control the disconnection of the first switch and the connection of the second switch when receiving the turn-off instruction. The photovoltaic rapid turn-off device and the photovoltaic system can reduce the cost, decrease the energy consumption and improve the generating efficiency.

The invention discloses a urine separation and collection device, which comprises a urine collection pool arranged on a drain pipe on the bottom of a urinal, wherein an alarming device is arranged in the urine collection pool, the side face of the urine collection pool is connected with the drain pipe through an overflow pipe, a small-flow liquid guide pipe is arranged above the urine collection pool, a valve is arranged on the small-flow liquid guide pipe, and the small-flow liquid guide pipe is further arranged on the drain pipe; a connecting funnel is arranged on the inlet end of the small-flow liquid guide pipe, a bundling funnel is arranged above the collecting funnel, and a filter screen is arranged avove the bundling funnel. The urine separation and collection device has the advantages of simple structure, convenience in assembly, simplicity in maintenance, long service life, and greatly lower production cost compared with current similar products; and the device is environment-friendly and hygienic, the problems of strong odor, poor environmental and hygienic condition and the like caused by a primitive urine collection method are prevented, the separate and sealing type collection of urine enables pollution of flushing water to be low, and subsequent purification treatment and circulated recycling are facilitated.

The wick-type garden rain water collector consists of five parts including rain water collecting funnel to collecting surface water, filtering net to filter out impurity, movable inlet tongue to avoid evaporation loss of water, water collecting bottle to store water rain and wick type watering pipe to irrigate trees through permeation. The wick-type garden rain water collector may be used widely to irrigate trees durably and fight drought effectively.

The invention discloses a proton therapy system based on a compact superconducting cyclotron. The proton therapy system includes a superconducting cyclotron system, an energy selection system and a beam transportation system, a fixed treatment room subsystem and a rotary frame treatment subsystem; the fixed energy proton beam led out by the superconducting cyclotron in the superconducting cyclotron system can be a continuously adjusting proton beam of 70-200MeV via the energy selection system, so that the longitudinal adjustment of the range during the proton therapy of tumors can be met; thebeam is transmitted to the fixed treatment room subsystem and the rotary frame treatment subsystem via the beam transportation system; the superconducting cyclotron system, the energy selection system, the beam transportation system and a treatment head are subjected to cooperative control to realize the transverse expansion of the proton beam, so that the intensity modulation treatment of the tumor can be completed. According to the invention, the innovation is good, the practicability is high, the beam intensity of the superconducting cyclotron is adjustable, and the intensity modulation treatment can be realized; and the system has an extremely important promotion effect on the accuracy, effectiveness and high efficiency of tumor treatment of a patient.

The invention discloses a multifunctional true triaxial rock creepmeter, comprising a base, a test piece mounting base arranged on the base, two groups of horizontal direction stress loading systems with the same structure, a vertical direction stress loading system and a creep data measuring system. The multifunctional true triaxial rock creepmeter disclosed by the invention can carry out a single-axis pulling and pressing creep test and also can carry out a true triaxial compression, pulling and pressing combined creep and unloading-creep test which simulates three-dimensional stress state and loading and unloading stress path of a natural geological rock mass and an engineering rock mass and maintain tension stress states in one or two directions unloaded to the rock; and test function is more comprehensive, practicability is stronger, and a pulling and pressing combined creep and stable pressing and pulling stress conversion unloading-creep test is realized; a pull pressure loading system can provide a pressure which is high enough to meet creep test requirements of most rock materials, and a long-term constant load can be provided; and the multifunctional true triaxial rock creepmeter disclosed by the invention has the characteristics of having a simpler structure, hardly consuming energy source in a test process and having low test cost.

The invention discloses a single-shaft pulling-pressing double-function creepmeter, which comprises a working platform, a pulling-pressing force loading system and a creep data measuring system. The working platform comprises a base, a first support rod assembly, a second support rod assembly, a press bearing plate, a pulling bearing plate, a working plate and a loading plate. The pulling-pressing force loading system comprises an oil drainage oil cylinder, a large-diameter oil cylinder and a small-diameter cylinder and further comprises a pulley weight loading device. The creep data measuring system comprises a strain sensor, a data collector and a microcomputer. The single-shaft pulling-pressing double-function creepmeter can be used for conducting both compression creep experiments andpulling creep experiments. The pulling-pressing force loading system can amplify weight loading load through a pulley block, and pressure can be amplified after being transferred to the large-diameter oil cylinder from the small-diameter oil cylinder, so that the loading force can meet requirements of a large mount of rocks for creep experiments. Simultaneously, the loading load is convenient to adjust and capable of maintaining constant for a long time. The creepmeter is high in measuring accuracy, low in manufacture cost and low in experiment cost due to the fact that the creepmeter consumes no electric energy in the experiment process.

The invention provides a chemical method for synthesizing flaky CuxSy nanocrystalline optoelectronic film controllably at a low temperature. The method comprises the following steps: firstly adding sulfur powder in a container, secondly adding organic solvent N,N-dimethylformamide or absolute alcohol, wherein the volume of organic solvent is more than a half of the capacity of the container; standing at 0-60 DEG C for 1h to ensure that the sulfur powder dissolved in organic solvent is saturated, horizontally placing substrate material with a new and clean metal copper surface on the bottom of the container to avoid directly contacting with sulfur powder, reacting at 0-60 DEG C for 5-24h, cleaning the product with absolute alcohol, drying at room temperature to in-situ prepare the big area film material composed of flaky CuxSy nanocrystalline on the metal copper surface of the substrate material, wherein x:y=1-2. The method of the invention adopts low temperature, has low energy consumption, is simple, green and environmentally friendly and particularly applicable to large-area industrial production, and does not use any template, add any surfactant and perform complicated post-processing operations such as purification.

The invention discloses a special cement-base patching material and a corresponding cement concrete pavement quick repairing method built according to the special cement-base patching material. The patching material is prepared from the following ingredients in specific weight parts: magnesium phosphate cement, sulphate aluminum cement, early strength agents, water reducing agents, redispersible emulsion powder, pulverized fuel ash, silicon carbide, fine sand powder, detritus, carbon fiber and water-solubility polyurethane. The special cement-base patching material has the advantages that the mechanical performance, the anti-abrasion performance, the waterproof anti-permeability performance, the durability performance and the like meet application requirements; required construction equipment is simple; the construction process is simple and convenient; the influence of weather on construction is little; the construction can be performed at normal temperature and in rainy and snowy weather; the maintenance time is short; the traffics can be fast opened; the influence on the traffics is little; good social benefits and social benefits are realized; the engineering application prospects are wide.

The invention discloses an industrial mechanical arm. The industrial mechanical arm comprises a rack, an adjusting mechanism, a grabbing mechanism and a plurality of connecting pieces; the rack comprises a vertical column and a cross rod; the adjusting mechanism comprises a horizontally arranged base, a first rod body rotationally connected with the base, a first sleeve rotationally arranged outside the first rod body in a sleeving manner, two telescopic rods symmetrically fixed to the lower portion of the first sleeve, a first disk fixedly connected with the lower ends of the two telescopic rods and a second sleeve fixedly connected with the lower surface of the first disk; the grabbing mechanism comprises a barrel body arranged in the second sleeve in a sleeved manner, a compression spring, a second disk, two second rod bodies and a plurality of jaw bodies; and the jaw bodies are movably connected to the peripheral face of the barrel body through the connecting pieces. The industrial mechanical arm can rotate at a plurality of angles and automatically lock and keep the firm grabbing state of the jaw bodies, and is simple in structure, flexible to rotate and capable of completing the construction operation of a complicated environment.

The invention discloses an initial stage rain water flow discharging device which is mainly composed of an impoundment chamber, a flow discharging partition, a flow discharging water communicating pipe, a water flow control mechanism, a flow discharging front chamber, a flow discharging rear chamber, a shunting downflow weir, a shunting flow conduction chamber, a delayed automatic draining mechanism and the like. Compared with the prior art, the device of the invention can effectively separate severely polluted initial stage rain water from later stage clean rain water, has the advantages of optimized structure, compact structure, high space utilization ration, space occupation saving, no energy consumption, no need of staff operation, high automation degree, convenient management and thelike.

The invention discloses a heat pipe cooling system for a server cabinet. The heat pipe cooling system for the server cabinet comprises a first heat exchanger, a connecting pipeline and a second heat exchanger, wherein the first heat exchanger is arranged at a grid of at least one out of a front cabinet plate, a rear cabinet plate, a left cabinet plate and a right cabinet plate of the server cabinet, faces towards a hot air outlet and consists of a plurality of groups of heat pipes; the heat pipes are filled with refrigerant working media; the connecting pipeline is arranged between the first heat exchanger and the second heat exchanger; the refrigerant working media are subjected to circular evaporation-condensation gas-liquid phase transition between the first heat exchanger and the second heat exchanger through the connecting pipeline, so as to bring heat from the first heat exchanger to the second heat exchanger; and the second heat exchanger is arranged far away from the server cabinet, and exchanges the heat with an outside cooling system. According to the heat pipe cooling system for the server cabinet, the first heat exchanger for cooling a server is arranged at the grid of the cabinet plate of the server cabinet, so that the space of a server room is saved; and the first heat exchanger faces towards a hot air object directly for cooling, and the efficiency is improved.

The invention provides an independent primary air system provided with a heat pipe exchanger. The independent primary air system is characterized by comprising a precooling unit, a cooling dehumidification unit, a reheating unit and an air supply unit. The precooling unit, the cooling dehumidification unit, the reheating unit and the air supply unit are sequentially arranged between an inlet and an outlet of the primary air system; the air supply system is arranged on the outlet of the primary air system. Primary air is precooled through an evaporator side of the heat pipe exchanger; the preprocessed primary air is cooled again through the cooling dehumidification unit; the primary air is bent through an air pipe and then heated again through a condenser side of the heat pipe exchanger; the processed air is sent indoors through the air supply unit, and indoor temperature and humidity are controlled to be 26 DEG C +/-0.5 DEG C and 50%+/-1%. The heat pipe exchanger of the independent primary air system achieves heat recovery in the precooling unit and the reheating unit, heat exchange efficiency is high, extra energy loss is avoided, and discharged heat can be recovered to the maximum; indoor air quality is improved; finally an air-conditioning system can save energy by 6%-9%.

The invention relates to the technical field of water purification and water pollution prevention and treatment and particularly discloses a filling material used for removing a permeable reactive barrier of nitrate and a preparation method of the filling material. The filling material used for removing the permeable reactive barrier of the nitrate comprises the raw materials of pretreated iron powder, activated carbon and coarse sand, wherein the volume ratio of the pretreated iron powder to the activated carbon to the coarse sand is 3:1:6. The filling material has the advantages that the filling material used for removing the permeable reactive barrier of the nitrate, which is prepared by adopting the proportion and the preparation method, is low in cost and simple to prepare, is used for the remediation and treatment of nitrate pollution of a high-concentration nitrate pollution area and has an obvious demonstration effect on treating the nitrate pollution in underground water; the treatment steps are reduced, the treatment cost is lowered, the underground resources are sufficiently utilized, the good ecological environment of the underground water is restored, and economic loss caused by water source area pollution is effectively reduced, so the filling material used for removing the permeable reactive barrier of the nitrate has a good economic benefit.

The invention discloses a faucet water purifier. The faucet water purifier comprises a faucet connecting body and a water purifier body, wherein the faucet connecting body can be connected with a to-be-purified water intake opening; a filtering assembly is arranged in the water purifier body; the water purifier body is communicated with the faucet connecting body; to-be-purified water is led intothe water purifier body by the faucet connecting body; the filtering assembly in the water purifier body is used for purifying the to-be-purified water, and then the purified water is drained out. Thefaucet water purifier has the advantages that multiple filtering functions are realized, multiple impurities in a running water body can be filtered and removed, and the safety in water utilization is guaranteed; the faucet water purifier can run at the pressure of running water, the power consumption is avoided, and the energy consumption is low; a filter element structure of the faucet water purifier can be detached, the failed filter element can be regenerated and replaced, and the replacing frequency of the filter element is effectively reduced.

The invention provides a portable solid phase extracting device which comprises a support (4), a solid phase extracting column (3) and a segmented air pressurizer (2), wherein the upper part of the support (4) is provided with a panel; the panel is a solid phase extraction column baffle plate (1) which is provided with a plurality of first through holes; the solid phase extracting column (3) is a through pipe which is filled with absorbent fillers; the top end of the through pipe is provided with an outer edge; through the outer edge, the solid extracting column (3) is arranged in the first through holes in a suspended manner; the segmented air pressurizer (2) is positioned above the solid phase extracting column (3), and comprises an air cylinder (10) and a piston push rod (9); the air cylinder (10) is sleeved out of the piston push rod (9) in a penetrating manner, the bottom outer diameter of the piston push rod (9) is matched with the inner diameter of the top end of the solid extraction cylinder (3); and the piston push rod (9) is sleeved on the solid phase extraction column (3) in the penetrating manner. The portable solid phase extracting device is simple and convenient to use, low in cost, free from energy consumption, and safe and environment-friendly.