136results about How to "No hidden danger" patented technology

The invention discloses an automobile warm air control method and an automobile warm air control device. The method includes steps: using a control circuit to load weak-current voltage; using a PTC (positive temperature coefficient) heater to load strong-current voltage; using the control circuit to detect temperature of the PTC heater and comparing the temperature of the PTC heater with a target temperature value; and using the control circuit to detect the voltage and the current of a strong-current circuit of the PTC heater through a photocoupling strong-weak current isolation circuit. The automobile warm air control method and the automobile warm air control device are characterized in that a driving circuit receives duty cycle pulse width modulation signals outputted by the control circuit by the aid of an IGBT (insulated gate bipolar transistor) to lead a collector and an emitter to be on or off; and a strong-current power source is applied to the PTC heater through the IGBT. Strong-current voltage of different frequencies is outputted under pulse width modulation control and duty cycle change to realize linear control of the PTC heater. The automobile warm air control method and the automobile warm air control device have the advantages that overhigh surface temperature of the PTC heater can be effectively avoided so that reliability is high and risks and potential hazards are avoided; electrodeless power adjustment and smooth temperature control are realized, and overheating and overcooling are avoided; and cost is low.

The invention discloses a diode clamping five-level dual buck half-bridge inverter which comprises a first five-level buck circuit, a second five-level buck circuit, a direct current power input circuit and a load circuit. The inverter is controlled by adopting voltage-current dual closed loop SPWM (Sinusoidal Pulse Width Modulation), the two five-level buck circuits are controlled to work withina half cycle according to the direction of inductive current and the magnitude of output voltage, and five-level PWM (Pulse-Width Modulation) wave output is obtained respectively on two output bridgearms through different switch combination. The invention has the advantages that the advantages of straight through without bridge arms of the dual buck circuits and diode reverse recovery without switching tube are reserved; five-level output is realized, and the harmonic wave content of output voltage is reduced, thus the size of a filter can be reduced, the switching frequency of a PWM part can be reduced, the switching loss can be reduced, and the efficiency can be improved; compared with a half-bridge type inverter, the voltage stress of power devices is reduced so that a switching device of medium or low power is suitable for occasions of high voltage and high power; and only eight power diodes are needed in the circuits, compared with a five-level diode clamping inverter, the quantity of the diodes is reduced by 1 / 3, and a clamping circuit is simplified.

The invention discloses recombinant bacillus subtilis for producing chondroitin and application of the recombinant bacillus subtilis, belonging to the technical field of biological engineering. According to the recombinant bacillus subtilis, UDP-GlcNAc C4 isomerase KfoA and chondroitin synthetase KfoC encoding genes are integrated into a bacillus subtilis genome, the way for anabolic synthesis of chondroitin is completed, the genes of the synthesis way of UDP-GlcA and UDP-GlcNAc in the bacillus subtilis are subjected to modulation assembling expression analysis, the different concentrations of UDP-GlcA and UDP-GlcNAc are controlled, and key genes and nodes of the synthesis way for producing chondroitin from bacillus subtilis are analyzed. Certain basis is provided for efficiently producing and preparing chondroitin from food-order microorganisms, and the recombinant bacillus subtilis is applicable to industrial production and application.

The invention provides a dry ice cleaning device and a cleaning method thereof. The device comprises an air compressed system and an injection system communicated with the air compressed system, wherein the air compressed system comprises an air compressor, a high-pressure gas pipeline and a low-pressure gas pipeline; the high-pressure gas pipeline and the low-pressure gas pipeline are respectively communicated with the air compressor and converge to the injection system through independently moving; a material division mechanism and a reducing valve are arranged on the low-pressure gas pipeline; the high-pressure gas pipeline adopts a venturi spray pipe; the air compressed system is communicated with a nozzle through the venturi spray pipe; and the outlet end of the material division mechanism is communicated with the tail end of the venturi spray pipe in the air compressed system and is connected with the injection system. According to the invention, water resources can be saved, the operating cost is reduced, and simultaneously, no cleaning agent residues exist; the exhaust gas of carbon dioxide is utilized, so that the emission of greenhouse gases is reduced; and the surface of a cleaned object cannot be damaged, and a low-temperature disinfection function is achieved. At the same time, in the invention, the dry ice cleaning device for industrial use is miniaturized so as to be applied to the field of family food sanitation.

The invention relates to an azelaic acid gel agent as well as a preparation method and application thereof, belonging to the technical field of skin medicines. The azelaic acid gel agent provided by the invention contains the following components in percentage by weight: 10%-20% of azelaic acid, 0.5%-2% of salicylic acid, 1%-3% of ZEN, 60%-74% of 1,3-propylene glycol and the balance of water. Thegel agent is prepared from azelaic acid by virtue of specific raw materials, is transparent, does not precipitate, is capable of well infiltrating skin and can be applied to the treatment or prevention of acnes, and the curing rate of patients with acnes can be increased; and the components are simple, the azelaic acid gel is capable of resisting bacteria without being added with a preservative, and the preparation method is simple, and the cost is low.

The invention discloses a manufacturing method of a patch type LED (Light-Emitting Diode) module. The manufacturing method is characterized by comprising the following steps of: preparing materials; providing LED chips with flip chip structures, wherein one face of each LED chip is provided with a metal electrode, and the surface intervals of the metal electrodes are not smaller than 80 mum; arranging: putting the plurality of chips into a braid, wherein the metal electrodes of the LED chips are positioned at the bottom of a braid accommodating space, and the light emitting surfaces of the LED chips are positioned on the opening of the accommodating space; patching: sucking the LED chips out of the braid by using a vacuum suction nozzle, and placing onto a bonding pad of a substrate, wherein the metal electrodes are opposite to the bonding pad, and the light emitting surfaces of the LED chips face upwards; and fixing: correspondingly fixing and communicating the bonding pad and the metal electrodes. A braid loading way is directly adopted for flip chip LED chips, so that encapsulation of a single LED light source is avoided, and the encapsulating materials, encapsulating process time and production line of a single LED light source are saved.

The invention discloses a simple line spanning frame which comprises two stand columns and a spanning rod, wherein the spanning rod is connected with one stand column through a shaft and connected with the other stand column in a clamping manner, fixed bracing wires are arranged on the stand columns, the upper surface of the spanning rod is longitudinally provided with an elongated slot, a plurality of pulleys are arranged in the elongated slot, each pulley is provided with a draught line penetrating through the elongated slot of the spanning rod and extending out of the spanning rod, one end of the draught line is provided with a balance weight, and one end of the spanning rod, which is connected with the stand column through the shaft, is provided with a digging rope. The line is spanned by using the simple spanning frame, and requirements on various spanning environments can be met. The spanning frame has the advantages of simple structure, light weight, convenience and flexibility for operation, strong generality, safety in spanning, no hidden dangers, and convenience and simpleness for transportation and assembly. The working at height can be carried out by constructors without climbing up and down the spanning frames.

The invention relates to an automobile air conditioner condenser flow gathering pipe welding tool and technology. The automobile air conditioner condenser flow gathering pipe welding tool comprises abottom plate, a penetrating and inserting vertical plate, a transposition plate, a rotation support plate, a rotation shaft and locking devices. The penetrating and inserting vertical plate is arranged on the top of the left end of the bottom plate. The rotation support plate is arranged on the top of the right end of the bottom plate. The right end of the rotation shaft is arranged at the middleportion of the left side face of the rotation support plate through a bearing. The left end of the rotation shaft penetrates through the penetrating and inserting vertical plate. A rocker is arrangedat the left end of the rotation shaft, the transposition plate is arranged at the middle portion of the rotation shaft, and each of the left end and the right end of the transposition plate is provided with one locking device. The automobile air conditioner condenser flow gathering pipe welding tool and technology can solve the problems that during existing condenser heat dissipation plate and flow gathering pipe welding, locking cannot be conducted on a heat dissipation plate structure, hidden danger of heat dissipation plate damage during heat dissipation plate locking exists, and when the heat dissipation plate is rotated for transposition, the rotation position of the heat dissipation plate cannot be limited.

The invention discloses a pressing plate state detection device. The pressing plate state detection device comprises a sensor component and a shielding component, wherein the sensor component is installed on a substrate of a detected pressing plate and comprises a circuit board, the circuit board is provided with a photoemissive element used for emitting optical signals, the circuit board is provided with a photoelectric receiving element used for receiving photoelectric signals, and the circuit board outputs corresponding state signals and the time of feed back to volt of the detected pressing plate according to the state of the photoelectric receiving element; a first end of the shielding component is fixedly connected with a handle of the detected pressing plate, the shielding component moves along with the handle of the detected pressing plate, a second end of the shielding component moves between the photoemissive element and the photoelectric receiving element and changes the light path connecting and disconnecting state of the photoemissive element and the photoelectric receiving element. The pressing plate state detection device can obtain the state and the time of feed back to volt of the detected pressing plate in real time, is high in accuracy, light in workload, high in efficiency and free of any hidden risks in the modification process.

The invention relates to a collecting device for disposing rubbish accumulated in sewers in urban environmental sanitation, in particular to an automatic collecting device for rubbish in urban sewers. The automatic collecting device comprises a supporting device, a lifting device, a rotating device and a rubbish collecting device, wherein the supporting device is installed in a sewer, the lifting device is installed on the supporting device, and the rubbish collecting device is connected with the lifting device through the rotating device. The automatic collecting device has the advantages of intercepting and collecting all kinds of rubbish in a full-automatic mode and can relieve the problems that when environmental sanitation workers clean sewers, rubbish cleaning difficulty is high, rubbish searching blindness is high, rubbish collecting time is long, the area of manual rubbish intercepting and collecting is small, and the working environment is hostile, so that the automatic collecting device has practical significance and popularization prospects and is very wide in application range and easy to use and popularize.

The invention relates to a miniature electrolyzing water production machine which is mainly invented so as to improve sub-health status (such as dry skin, neutral skin and oil skin) of skin. The electrolyzing water production machine comprises a flow controller, a filter core, a flow sensor, an electrolytic tank, outlet pipes (a coiler outlet pipe and a thin outlet pipe) and a circuit control part. Functions of the machine provided by the invention are realized by the following parts: (1) the flow controller can be used to control the flow direction of a water route; purified water is generated from the coiled pipe instead of the thin outlet pipe; the utilization rate of the purified water reaches 100%; when acidic or alkaline water needs to be produced, water outlet ratio of the coiler outlet pipe to the thin outlet pipe is adjusted to a high water utilization rate of 4:1 such that alkaline water discharge is minimized (acidic water is emphasized) and water is saved; (2) the small electrolytic tank of a bipolar plate is adopted; and as the electrolytic tank of the bipolar plate is small in size, power consumption required by electrolyzing is low and the energy-saving effect is achieved; and (3) the circuit control part is small in size and has low power consumption, and its maximum power is only 20W.

The present invention provides an intelligent key device and an information exchange method for the intelligent key device and a peripheral device. The intelligent key device comprises a USB interface, a card reader connected with the USB interface, as well as an intelligent card detachably arranged in the card reader. A key generation-management program and an encryption-decryption program are stored in a memory of the intelligent card. In the method provided by the present invention, the peripheral device is provided with an application program and an encryption service interface program; when the application program is run, the encryption service interface program is invoked and verification data is sent out; request information for carrying out encryption service to the verification data is sent out by the encryption service interface program and transmitted to the intelligent card; the encryption-decryption program encrypts or decrypts the verification data and then transmits the verification data to the key generation-management program; the key generation-management program verifies the verification data and then returns a verification result. The information exchange method can provide convenience for the production of the intelligent key device, guarantee the production safety of the intelligent key device and ensure better universality of the intelligent key device.

The invention provides a method and device capable of continuously preparing nitrous acid ester. The method comprises the following steps: taking a nitrite solution and an alcohol solution as the raw materials, individually introducing the nitrite solution and alcohol solution into a bipolar membrane electrodialysis device to carry out reactions to obtain three products: reaction mixed liquid containing nitrous acid ester, a residual nitrite solution, and an alkali solution; recovering the residual nitrite as raw materials for cycle use; recovering the alkali solution; making the reaction mixed liquid containing nitrous acid ester go through a gas-liquid separator or a liquid-liquid separator to obtain nitrous acid ester and an alcohol solution, collecting the target product namely nitrous acid ester, and recovering the alcohol solution as raw materials for cycle use. The provided method does not generate waste gas and waste liquid, the produced alkali liquid can be recovered for industrial production, the generated mother liquor can be completely recovered and reutilized in the reaction system, the production technology is environment-friendly, the reaction temperature is low, the reaction process is safe, and no safety hazard exists.

The invention discloses a grain drying technology. According to the grain drying technology, grain is dehumidified by a heat pump, and then dried, so that the grain drying technology has no pollution or combustion discharge, cannot injury a human body and has good social benefits.

The invention relates to the technical field of titanium alloy casting, in particular to a preparation process and device for a titanium alloy cast three-dimensional printing ceramic mold shell. The preparation process for the titanium alloy cast three-dimensional printing ceramic mold shell comprises the following steps of S1, bonding jet ink to a three-dimensional printing sand mold and conducting vacuum impregnation to form a three-dimensional printing sand mold cavity bonding layer and then conducting drying treatment; S2, coating the surface of the mold cavity bonding layer with an inertmaterial coating to form a transition layer; and S3, coating the surface of the transition layer of the mold cavity with the inert material coating to form a surface layer. According to the preparation process, various shapes of mold shells are formed through three-dimensional printing; the ceramic mold shell is prepared through the special process to complete titanium alloy casting, and the titanium alloy casting process is safe, stable and free of hidden danger. The invention further provides a device for preparing the titanium alloy cast three-dimensional printing ceramic mold shell. The device is mainly used for implementing the above technological process and is high in production efficiency, low in cost and worth applying and popularizing.

The invention discloses heat pump drying equipment, which comprises a heat pump drying unit and a drying tower which is connected with the heat pump drying unit. Grains in the drying tower are dried through the heat pump drying unit. The heat pump drying equipment has the advantages that no pollution is caused, no combustion emission is produced, no harm is caused to human bodies and the social benefits are good; and the energy consumption is low, the energy saving effect is remarkable, the investment return period is short, the energy-efficiency ratio of the product is generally 3-5 in grain harvesting seasons, i.e. 3-5kw of heat can be produced by inputting 1kw of power, and compared with equipment which directly burn energy or crops, the use cost is saved very greatly.

The invention relates to a chlorine dioxide feeding method. Two raw materials for reaction to prepare chlorine dioxide, i.e. a first reactant and a second reactant, are added into a measurement type dissolving tank and are then mixed to prepare a two kinds of solution of the nominal concentrations, the concentration of the solution containing chlorate A is more than or equal to 2 percent, the concentration of the solution containing chlorate B is more than or equal to 5 percent, the two kinds of solution are directly and accurately proportioned or are transferred into a storage tank to be accurately proportioned through a metering pump after preparation and are then transferred into a chlorine dioxide generator for reaction, and finally the two kinds of solution are added into a reactor reception tank for reaction or into a reaction coil for full reaction. When the two kinds of solution are added into the reactor reception tank, the mixture can be added through air. The prepared chlorine dioxide is discharged out of the reactor in the gas form, and can be directly added into water to be treated or added into water to be treated after absorption by an absorbent material.

The invention discloses a preparation method of potassium ferrate, which comprises: mixing solution of NaOH and solution of NaClO in a reaction kettle; dripping solution of [Fe(NO3)3], stirring and reacting for 1 to 2 hours; regulating the reaction concentration and pH value, precipitating the potassium ferrate (Na2Fe3O4) from the reacting solution and filtering; adding the Na2Fe3O4 filtered out into solution of potassium hydroxide (KOH); filtering after the Na2Fe3O4 dissolves; slowing dripping saturated solution of KOH into the solution to precipitate the coarse product of Na2Fe3O4; and recrystallizing, washing with isopropanol, and drying under vacuum under conditions of a temperature of 70 DEG C and a pressure of 80KPa to obtain a pure product. The preparation method has the advantages of high production speed, high product purity (as high as over 94 percent), mother liquor recycling, great reduction in energy consumption, light environmental pollution, low cost and the like.

The invention relates to the technical field of fusarium strains, and in particular relates to a chlamydospore fusarium strain ZC201301. The preservation number of the chlamydospore fusarium strain is CGMCC No.9562. The chlamydospore fusarium strain is separated from leaves of natural pathogenetic digitaria sanguinalis in the field and is strong and quick in pathogenicity to the digitaria sanguinalis; an indoor experiment shows that spores of the strain disclosed by the invention are sprayed to the leaves of the digitaria sanguinalis; after two days, spots appear on the digitaria sanguinalis, and part of the digitaria sanguinalis is withered; after 14 days, the fresh weight suppression rate to the digitaria sanguinalis is 91 percent. The chlamydospore fusarium strain ZC201301 which is a fungus strain has a certain biological prevention effect on grasses such as amaranthus retroflexu and fagopyrin and is safe to crops such as soybeans, corns and wheat.

The application provides a polysaccharide of an organic black fungus and a preparation method of a particle thereof. The method comprises the following steps: Step 1, taking a sporocarp of the organic black fungus, drying the sporocarp, and then crushing the sporocarp to obtain organic black fungus dry powder; Step 2, mixing the organic black fungus dry powder with water and infiltrating the organic black fungus dry powder to obtain an extracting solution; Step 3, carrying out microwave and ultrasonic extraction on the extracting solution in the Step 2, and taking a supernatant solution for later use; Step 4, taking the supernatant solution in the Step 3, removing albumen and discoloring the supernatant solution; Step 5, adding ethanol into a product in the Step 4, carrying out alcohol precipitation, and filtering and washing to obtain a polysaccharide coarse product; Step 6, purifying the polysaccharide coarse product in the Step 5 by high-speed countercurrent chromatography to obtain the polysaccharide of the organic black fungus. In the preparation method, a polysaccharide component of a black fungus is extracted by a method of combining multiple methods such as an ultrasonic extraction method, a microwave extraction method, a water extraction and alcohol precipitation method, a high-speed countercurrent chromatographic method and the like; the purity of the polysaccharide is high; the extraction rate is high; an organic solvent used in a process is few, is not remained, and has no potential hazard; the polysaccharide is safe to eat; the time of the process is short; the cost is low.

The invention discloses a catalyst for decomposition of ozone in gases and a preparation method of the catalyst. The preparation method comprises the following steps of S1, preparing fibrous porous graphitized carbon black, and obtaining the fibrous porous graphitized carbon black; S2, preparing the catalyst for the decomposition of the ozone, taking an electrolyte solution, using an electrochemical deposition method to deposit the electrolyte solution in the fibrous porous graphitized carbon black, in electrochemical deposition, a temperature being 85-95 DEG C, voltage being 2-5 V, and conduction time being 1-3h; and taking out and curing, a curing temperature being 300-350DEG C, curing time being 30-60min, cutting off, and obtaining the catalyst for the decomposition of the ozone. According to the catalyst for the decomposition of the ozone in the gases and the preparation method of the catalyst, the fibrous porous graphitized carbon black is regarded as a carrier, cerium, manganese,iron and nickel are regarded as main active components which are evenly covered in holes of the carrier, catalytic efficiency is high, activity is high, heat stability is good, life is long, dust falling off is little, a preparation technology is simple, the cost is low, and use is safe without hidden danger.

The invention provides a method and device capable of continuously preparing nitrous acid ester. The method comprises the following steps: taking a nitrite solution and an alcohol solution as the main raw materials, taking an inorganic salt solution as the auxiliary raw material, individually introducing the inorganic salt solution and water into a bipolar membrane electrodialysis device to carry out ionization to obtain an inorganic acid solution and an alkali solution; concentrating and recovering the alkali solution; introducing the inorganic acid solution into an esterification reactor to carry out esterification reactions with the nitrite solution and alcohol solution to obtain a reaction mixed liquid containing nitrous acid ester, making the reaction mixed liquid containing nitrous acid ester go through a gas-liquid separator or a liquid-liquid separator to obtain nitrous acid ester and mother liquor, collecting the target product namely nitrous acid ester, recovering the alcohol as raw materials for cycle use, recovering alcohol from the mother liquor, and then recovering the inorganic salt solution for cycle use. The provided method does not generate waste gas and waste liquid, the produced alkali liquid can be recovered for industrial production, the generated other byproducts can be completely recovered and reutilized in the reaction system, the production technology is environment-friendly, the reaction temperature is low, the reaction process is safe, and no safety hazard exists.

The invention relates to a solar energy beam concentration and light focusing control system. The solar energy beam concentration and light focusing control system comprises a mirror array for tracing the sun in real time and a solar thermal collector for receiving beam concentration light beams. The mirror array is provided with collecting mirror units, wherein the number of the collecting lens units is M lines * N rows, each collecting lens unit comprises a paraboloid collecting mirror and an upper layer reflecting mirror, and the bottom portion of the paraboloid collecting lens is provided with a through hole. A middle layer first reflecting mirror is arranged in the direction of the light path of each through hole, a middle layer second reflecting mirror is arranged in the direction of the light path reflected through each middle first reflecting mirror. The middle first layer reflecting mirrors and the middle layer second reflecting mirrors can enable M*N light beams on the upper layer to be gathered to form dense balanced light beams. The lower layer reflecting mirrors which enable the dense balanced light beams to be reflected to the solar thermal collector are arranged in the direction of the light path of the dense balanced light beams. The solar energy beam concentration and light focusing control system enables mirror array light beams to be concentrated,reduces control points, simplifies maintenance and installation, and employs a single integrated circuit to replace a complex computer control system.

The invention discloses a plastic cold extruding processing method of copper alloy seamless pipe fittings for ships. The processing method is characterized by comprising the processes of blanking by the blank length with two ends with inclination of 10-39 degrees, annealing treatment, pressing for molding, reshaping and surface short blasting treatment, wherein the annealing temperature is within the range from 550-700 DEG C. The method can overcome the defects of traditional pipe fittings for ships; since seamless pipe molding and plastic cold extruding processing methods are adopted, the produced seamless pipe fittings has the advantages of attractive appearance, high accuracy, raw material saving, low production cost, no hidden danger and high safety factor and can directly protect the safety of life and property.

The invention discloses triangular skylight. The triangular skylight comprises a skylight integral framework mounted on a deck pedestal, opening casements and an opening mechanism, wherein the skylight framework is equipped with a bottom frame matched with the pedestal; the upper end surface of the bottom frame is equipped with a front baffle plate, a rear baffle plate, a left baffle plate and a right baffle plate which define a framework shape; sections of the left baffle plate and the right baffle plate are triangular; a V-shaped slot is formed in the top of each of the left baffle plate and the right baffle plate; a V-shaped drainage ditch is formed in the V-shaped slot; a supporting plate is mounted on the middle part of the inner side wall of each of the front baffle plate and the rear baffle plate; the opening casements which are mounted at the two sides of the V-shaped drainage ditch in an inclined mode are arranged on the skylight framework; the lower end of the skylight is hinged to side edge holes of the front and rear baffle plates; the middle part of the inner side wall of the skylight is hinged with a piston rod of a telescopic air cylinder or an electric window opener; and a base of the telescopic air cylinder is hinged to the middle part of each supporting plate. The triangular skylight is novel in structural design, does not have hidden trouble caused by rainwater and leakage, also realizes requirements and standards of a standard schematic handbook, and is free of hidden danger; the V-shaped water slot and the integral framework are integrated, and eave of the V-shaped water slot is turned over outwards, so that seepage resistance and integral strength of the skylight are improved.

The invention discloses a novel environmentally friendly foaming agent. The foaming agent is characterized by including, by weight, the following components: 50-90 parts of sodium bicarbonate powder,5-40 parts of a pH regulating agent, 0-10 parts of a dispersion and separation agent, and 0-10 parts of a dehumidifying agent. The decomposition temperature of the novel environmentally friendly foaming agent of the invention reaches 185 DEG C-190 DEG C, and the foaming agent can replace a decomposition field of azodicarbonamide in the range from 180 DEG C to 190 DEG C; the decomposition temperature range is shorter, an ammoniacal odour does not generate during a decomposition process, a hidden danger of formamide residues does not exist, and the foaming agent is safe and environmentally friendly, is far lower in production cost than that of foaming microspheres, is broad in market prospect, and has positive social significance.

The invention provides a pneumatic jumbolter. The pneumatic jumbolter comprises a gyrator, a supporting leg and a motion arm. One end of the supporting leg is fixedly provided with a fixed sleeve body, the gyrator is fixedly arranged on the fixed sleeve body, and the motion arm is hinged on the fixed sleeve body. The gyrator comprises a motor and a reducer, the motor drives a main shaft of the pneumatic jumbolte to rotate through the reducer, a silencer of the pneumatic jumbolte is arranged inside a shell of the motor, and a water inlet is formed in a shell of the reducer and communicated with a water channel of the main shaft so as to supply water to the main shaft; the pneumatic jumbolte is light in weight and small in size, reduces labor intensity and improves work efficiency. An exposed metal piece is made of stainless steel material, and therefore service life is prolonged, and the hidden danger of electrostatic sparks can be avoided; a motor gear and the supporting leg are made of composite material, and thereby being light in weight, corrosion resistant, flame retarding, antistatic, and long in service life; and the shell of the reducer is used for supplying water, a water jacket is eliminated, the weight of the jumbolter is reduced, and cost is reduced.

The invention provides an unlocking structure of a pluggable module and an operation method. The unlocking structure mainly comprises a push-pull handle, an unlocking sheet, a shell and a moving block. The push-pull handle pushes the unlocking sheet to the rear end of the shell to complete unlocking, and the push-pull handle can be pulled to complete a separation action. In an unlocking state, theunlocking sheet can be reset by rotating the push-pull handle. The invention provides a complete operation mechanism for the unlocking and resetting of the module. Cable plugging and unplugging can be achieved, in-place resetting can be conveniently achieved, misoperation and accidents can be avoided to the maximum extent, and all related operations are simple and easy to implement. Meanwhile, for a pluggable module using the unlocking structure, the assembly process is simple and quick, the assembly is firm and stable and free of hidden danger, special or specialized tools are not needed, parts of the pluggable module are very easy to disassemble and replace, and good operability and practicability are achieved.

The invention relates to a solar energy bundling condensation control system which comprises a lens array and a solar thermal collector, wherein the lens array tracks the sun in real time, and the solar thermal collector is used for receiving bundled light beams. The lens array has M row*N line collecting lens units, each collecting lens unit comprises a paraboloid collecting lens and a first reflecting lens, the bottom of each paraboloid collecting lens is provided with a first through hole, a fixed lens is installed in the light path direction passing through each first through hole, and the M*N fixed lenses constitute a lens component together. The lens component has the same condensation focal point, a second reflecting lens is installed at the condensation focal point of the lens component, and the second reflecting lens can enable focal point light concentrated by the M*N fixed lenses to be reflected in a balanced mode to form the bundled light beams which are projected into the solar thermal collector. According to the solar energy bundling condensation control system, the focal points of the lens array are bundled, the unique control point can be achieved, installation and maintenance are simple and practical, and single integrated circuit can be used for replacing a complex computer control system.

The present invention relates to an isolation detection circuit of direct current components in alternating current. The circuit comprises a detection component filtering and transmission circuit, an isolation circuit and a difference amplification circuit. Detection signals are accessed from the input end of the detection component filtering and transmission circuit, the output end of the detection component filtering and transmission circuit is connected with the input end of the isolation circuit, the output end of the isolation circuit is connected with the input end of the difference amplification circuit, and the output end of the difference amplification circuit is the output end of the detection signals; the detection component filtering and transmission circuit is configured to filter alternating current components to retain direct current component; the isolation circuit is configured to output the direct current components, perform voltage division and difference transmission and then perform isolation; and the difference amplification circuit is configured to amplify signals to be detected. According to the embodiment of the invention, the circuit is novel in mode, simple in structure and low in cost, can satisfy demands of direct current component sampling in a lot of alternating current and can be utilized in various electrical devices.