37results about How to "Environmental Energy" patented technology

The invention discloses a kind of modified wood composition and its preparation method and application, which is part of the forest chemical industry. This invention of modified wood composition consists of low molecular urea-formaldehyde resin and methylol urea mixture; the described methylol urea mixture mainly consists of monomethylurea and dimethylolurea. The modified wood composition of this invention featuring low viscosity, water-solubility and good storage stability is suitable for the use of vacuum pressure impregnation of a variety of tree species, especially suitable for increasing the density of low-end plantation, function, etc. After the modification of plantation timber by the modified wood composition, the invention may significantly increase the timber size stability, overcome the cracking and deformation defects before the application, and significantly improve the physical and mechanical properties. The modified wood composition, if working with the functional reagents with good water-solubility as the flame retardant, preservative and so on, may improve the timber performance as fire-retardation, moth proofing, mildew proofing and antisepsis properties.

The invention relates to a sofa frame with convenient disassembly and assembly and small transport volume, which adopts a fastening and clamping mode and has small decomposed packaging volume so as to be convenient to transport. The sofa frame comprises a first rack body and a second rack body which are respectively provided with a positioning clamping groove; the sofa frame also comprises a left handrail frame, a right handrail frame, a seat bag frame and a backrest frame which are respectively provided with a connecting groove; the sofa frame also comprises clamping fixing units which are connected between the first rack body and the second rack body; the two ends of the clamping fixing units are respectively clamped in the positioning clamping grooves of the first rack body and the second rack body and the connecting grooves of the left handrail frame, the right handrail frame, the seat bag frame and the backrest frame; and the sofa frame is assembled into a whole by adopting the fastening and clamping mode through the clamping fixing units.

The invention provides a phase-change heat dissipating device and a laser. The phase-change heat dissipating device comprises a vaporizing chamber, a condensation chamber, and a heat conducting end for conducting heat generated by an object to the vaporizing chamber, wherein the heat conducting end comprises a heat absorption assembly covering the object. According to the above technical scheme, the phase-change heat dissipation device has the advantages of simple structure, high heat dissipation efficiency, uniform heat dissipation, high reliability, wide application range, etc., and can be used for dissipating heat of large-power optical components, such as laser crystals, nonlinear optical crystals or semiconductor laser chip of a large-power laser, thereby uniformly dissipating heat, improving the heat dissipation efficiency, effectively improving the light emission efficiency, light output power, beam quality and service life of the large-power laser, and achieving more stable and reliable performance. In addition, the heat dissipating device has relative simple structure, wide application range, environment-friendly energy source and actual value for scale production, and can effectively reduce the size of the large-power laser.

The invention relates to a mechanical electric lifting mechanism for a dump truck, and the mechanism comprises a driving lever, a connecting rod, a driven lever, a sliding block, a car hopper, a frame, a speed reducer and a motor, wherein one end of the driving lever is connected with the frame by virtue of a first revolute pair, and the other end of the driving lever is connected with the connecting rod by virtue of a second revolute pair; the other end of the connecting rod is connected with the sliding block by virtue of a fifth revolute pair; the middle of the connecting rod is connected with the driven lever by virtue of a fourth revolute pair; the other end of the driven lever is connected with the frame by virtue of a third revolute pair; the sliding block is connected with the car hopper by virtue of a sliding pair; the rear end of the car hopper is connected with the frame by virtue of a sixth revolute pair; and the driving lever is driven by the motor through the speed reducer. The mechanical electric lifting mechanism is driven by the motor and transmitted by the connecting rod, is capable of effectively solving the problems that a hydraulic system of the traditional hydraulic dump truck is high in processing and assembling requirements of parts, short in service life and high in maintenance cost, leaks oil and the like, and has good dynamic and static mechanical property and large work space.

The invention provides a device capable of making a charging connector moved. The charging connector comprises a socket module and a plug module. The device capable of making the charging connector moved comprises a movable fixed plate, a base plate and a tension spring. The socket module of the charging connector is fixed on the movable fixed plate; the tension spring is arranged between the movable fixed plate and the base plate; and the movable fixed plate drives the socket module of the charging connector to move on the base plate in any direction through the tension spring. The device capable of making the charging connector moved is provided with the tension spring and the fixed plate, and can also be provided with a guide cylinder to match a guide post of the plug device in the charging connector for adaptive butt joint so as to realize the movable function of the charging connector and further provide green energy for the running of electric automobiles.

The invention provides a movable charging connector, which comprises a movable socket device and a plug device. The movable socket device is arranged on a motherboard and comprises a socket module and at least one guide cylinder, which are fixedly arranged on a movable fixing board. A draw spring is arranged between the movable fixing board and the motherboard. When the plug device is connected with the movable socket device, the movable fixing board is mutually matched with the draw spring in order to realize the movement of the movable socket device in the arbitrary direction. In the invention embodiment, because the movable socket device is provided with the draw spring and the fixing board and the guide cylinder can be matched with a guide column on the plug device, the self-adaption connection of the movable socket device and the plug device can be ensured in order to realize the movable function of the charging connector and consequently to provide environment-friendly energy sources for the running of electric automobile.

The invention belongs to the technical field of new energy, and discloses a combined type new-energy garden insect killing lamp which comprises a solar panel, a photosensitive sensor, an equipment tank, an insulation net, a mosquito and insect collecting box, an illuminating lamp, a support column, an insect trapping lamp, a transparent rotary cover and two insulation brushes. The bottom of the solar panel is connected with one end of a rotary universal joint, and the other end of the rotary universal joint is connected with the top of a fulcrum bar. The combined type new-energy garden insectkilling lamp has the advantages that the combined type new-energy garden insect killing lamp is provided with the solar panel, light energy can be transformed into electric energy by the solar panel by the aid of a converter, the electric energy can be stored in a storage battery and can be used by the combined type new-energy garden insect killing lamp, and accordingly energy sources for the combined type new-energy garden insect killing lamp are environmentally friendly; the rotatable transparent rotary cover is arranged inside an electric net, the two insulation brushes are arranged on thetransparent rotary cover, residual insect dead bodies on the electric net can be brushed down and can be collected by the mosquito and insect collecting box at circuits of a through opening in a unified manner, and accordingly manual cleaning trouble can be prevented; the combined type new-energy garden insect killing lamp is provided with the illuminating lamp, illumination still can be providedto people by the combined type new-energy garden insect killing lamp even in seasons with few mosquitoes and insects, and accordingly the combined type new-energy garden insect killing lamp is practical.

The invention discloses an environmental-friendly glass fiber reinforced plastic coating material. The environmental-friendly glass fiber reinforced plastic coating material is characterized by being prepared from the following raw materials in parts by weight: 2-3 parts of nano mullite, 28-32 parts of E-12 epoxy resin, 10-12 parts of amino resin, 2-4 parts of 3-pyrroline, 2-3 parts of hexafluoro acetylacetone, 5-8 parts of n-propyl methacrylate, 6-9 parts of zinc naphthenate, 26-29 parts of chopped glass fibers, 2-3 parts of T31 epoxy resin curing agent, 4-6 parts of diepoxy propane ethyl ether, 2-3 parts of nano silica, 1-2 parts of bauxite and 1-2 parts of auxiliaries. According to the coating material, through adding the auxiliaries, the material has good physical properties and mechanical properties, and a reinforcing effect is exerted; the production process of the coating material is simple and reasonable; a formed product has superior corrosion resistance and relatively strong strength property, is lightweight, ageing-resistant, high-temperature resistant, fireproof, flame-retardant, energy-saving and environmental-friendly, and is excellent in insulating performance.

The present invention provides a constant voltage source. The constant voltage source comprises a housing which is internally provided with a circuit board, the circuit board is integrated with an alternating current input interface, the alternating current passes through the alternating current input interface and is connected with a rectification filtering circuit, a pulse width regulation power switch, an MOS bridge-type inversion circuit, an intermediate frequency high-voltage transformer, a voltage doubling regulation circuit and a high-voltage current-limiting resistor in order to output direct current high voltage through the direct current high-voltage output end; and the pulse width regulation power switch is connected with a controller through a feedback circuit, and the processor is electrically connected with an energy storage device, a temperature detection unit, an alarm unit, an illumination unit and an interface unit. The constant voltage source is low in design cost, small in wiring, rapid in production maintenance, high in efficiency, simple in structure, convenient to operate, high in accuracy and small in space usage.

The invention discloses a wedge type sound barrier which comprises a plurality of steel columns arranged on one side of a track, and adjacent steel columns are connected and fixed through supporting beams. Sound absorption wedges are arranged among the steel columns. A noise sensor is arranged on one side of each sound absorption wedge away from the track. The noise sensors are connected with a control circuit, and the control circuit is connected with a storage battery. The wedge type sound barrier is durable in structure and stable in performance and can monitor noise on the outside of a track traffic sound barrier in real time, and noise reduction and sound reduction quantity of the track traffic external hanging sound barrier is 10-15 dB (A).

The invention discloses a wedge type sound barrier, which comprises a plurality of steel uprights located on one side of a track, adjacent steel uprights are connected and fixed by supporting beams; sound-absorbing wedges are arranged between the steel uprights; A noise sensor is arranged on the side of the sound-absorbing wedge away from the track, and the noise sensor is connected with a control circuit, and the control circuit is connected with a storage battery. The wedge-shaped sound barrier of the present invention has durable structure and stable performance; it can monitor the noise outside the sound barrier of rail traffic in real time;

The invention discloses a combustor, which comprises a fuel gas inlet pipe and is characterized in that: the fuel gas inlet pipe is transverse-H-shaped; the upper surface of the transverse-H-shaped fuel gas inlet pipe is provided with a plurality of spray heads; and at least a part of the outer edge of the transverse-H-shaped fuel gas inlet pipe is provided with a protective cover. A spray drying tower using the combustor comprises a tower body and an air inlet pipe, and is characterized in that: the combustor, an inflow air filtering device and a flame retardancy device are arranged in the air inlet pipe; and the combustor is arranged in the air inlet pipe, and is positioned between the inflow air filtering device and the flame retardancy device. The spray drying tower which is used for directly heating inflow air, has a high heating speed and high working efficiency and is driven by environmentally-friendly energy is provided, so that the heat energy utilization ratio and drying temperature of the spray drying tower are greatly raised, and super high temperature quick heating of materials is realized.

The invention provides a signal generating circuit for a real-time clock device, and the signal generating circuit includes an oscillation circuit, a voltage detecting circuit and a control circuit. The oscillation circuit is used for generating an oscillating signal, and the voltage detecting circuit is used for detecting voltage coupled by a signal generating circuit. The control circuit is coupled to the voltage detection circuit and a counting circuit. When the voltage detected by the voltage detection circuit is within a preset voltage range, the control circuit sets the oscillation circuit for the first time to generate an oscillation signal with a larger current, sets the oscillation circuit for the second time to generate an oscillating signal with a smaller current, and generates a clock signal for the third time based on the oscillating signal. The signal generating circuit can not only reduce power consumption, but can also enables the signal generating circuit to be less susceptible to noise in a low power state with stronger resistance to noise. Therefore, the real-time clock device can still be capable of normal operation in a low power state, even if there are noises.

The invention discloses a manufacturing method of a U-shaped spring for elevator security pincers. The manufacturing method is that a spring steel bar is heated through a heating die applied to an induction furnace, and the U-shaped spring is formed under oil pressure effect through a forming oil pressure device for the U-shaped spring. The manufacturing method comprises the steps of (1) blanking, namely, processing bar steel into a spring steel bar with the specified length through a blanking machine; (2) heating the spring steel bar, namely heating the spring steel bar through the heating die applied to the induction furnace; (3) forming the U-shaped spring, namely, forming under the oil pressure through the forming oil pressure device for the U-shaped spring; (4) vibrating and chamfering, namely, vibrating the pressed and formed U-shaped spring through a grinding vibration machine together with grinding materials; (5) milling; (6) thermally processing the U-shaped spring, quenching and tempering; (7) performing surface finish. The U-shaped spring manufactured by the method has the advantages that decarburized layers of the spring are minimized, the oxidizing rate is low, the consistency of the mechanical properties is high, the service life is long, the spring is difficulty clamped on the forming die during discharging, and the manufacturing is energy saving and environmentally friendly.

The invention relates to a water producing technology, in particular to a biomass water producing machine based on a lithium bromide heat pump and a water producing method. The biomass water producingmachine comprises a crushing device, a combustion furnace, a first exhaust pipe, the lithium bromide heat pump, a second exhaust pipe, a steam-water separator, a first pipeline, a second pipeline, awater storage tank and a water suction pump arranged on a user water pipe; a feeding port of the combustion furnace communicates with a discharging port of the crushing device; a flue gas outlet of the combustion furnace communicates with a heat source gas inlet of the lithium bromide heat pump through a first exhaust pipe; an outlet of the lithium bromide heat pump communicates with the atmosphere through a second exhaust pipe; the steam-water separator is arranged on the second exhaust pipe, one end of the first pipeline communicates with the second exhaust pipe, and the other end of the first pipeline communicates with the water storage tank; the water storage tank communicates with the water suction pump; and a water outlet of the steam-water separator communicates with the first pipeline through a second pipeline. A large amount of water vapor is generated in the combustion process of biomass, the water vapor is collected and utilized, and the water production efficiency is improved.

A mechanical compression evaporation and re-dissolution separation nitrate production process includes the steps: taking sodium sulfate and sodium chloride solution to as raw material liquid, mixing the raw material liquid and heating salt making mother liquor, preheating mixture to reach a boiling point by mechanical compression evaporation condensed water, enabling the mixture to enter primary high-temperature mechanical compression evaporation, and separating the mixture to obtain sodium sulfate and primary high-temperature nitrate making mother liquor; enabling the primary high-temperaturenitrate making mother liquor to enter secondary high-temperature mechanical compression evaporation to obtain mixture of secondary high-temperature salt nitrate making mother liquor containing sodiumchloride and sodium sulfate solid, and performing heat exchange on the mixture and low-temperature salt making mother liquor to obtain cooling salt nitrate mixed liquid; cooling the cooling salt nitrate mixed liquid and tap water or circulating water through a forced circulation heat exchanger of a setting separator with a jacket, re-dissolve the sodium sulfate to salt out the sodium chloride, and performing solid-liquid separation solid sodium chloride and low-temperature salt making mother liquor; performing heat exchanger and heating on the low-temperature salt making mother liquor to obtain heating salt making mother liquor, returning the heating salt making mother liquor, and performing mixing and heat exchanger to take part in next primary high-temperature mechanical compression evaporation nitrate making process. According to the process, production cost is low, product quality is high, and emission of waste water, waste gas and solid waste is omitted.

The embodiment of the invention discloses a scooter which is simple in structure, light and capable of stretching and being folded, and effectively solves the problem that an existing scooter is not convenient to carry. The scooter comprises a seat assembly and a moving assembly. The seat assembly comprises a seat (10) which is movably mounted on the moving assembly through a seat rotating assembly (20). The moving assembly comprises a body mounting frame (30), a left front moving wheel assembly (40), a right front moving wheel assembly (50) and a rear wheel assembly (60). The left front moving wheel assembly (40) and the right front moving wheel assembly (50) are movably connected with the body mounting frame (30), and a part of the left front moving wheel assembly (40) and a part of the right front moving wheel assembly (50) can be folded into the body mounting frame (30). The rear wheel assembly (60) is movably connected with the body mounting frame (30), and a part of the rear wheel assembly (60) can be folded into the body mounting frame (30). An energy storing device is arranged in the body mounting frame (30). A power device is arranged in the front moving wheel assemblies, electrically connected with the energy storing device, and used for driving the front moving wheel assemblies to move. The seat rotates and gives out an instruction to enable the moving device to carry out steering by adopting a differential speed principle.

The invention discloses an outdoor pest killing apparatus and belongs to the technical field of mosquito killers. Respiration, a feature of a life entity is simulated, which means that carbon dioxide can be exhausted to absorb the mosquitoes; and then a human body skin is simulated and insecticide components are arranged in the skin, so that when the mosquitoes get close and eat the components, the mosquitoes can be killed. The outdoor pest killing apparatus is rationally structured; mosquitoes are lured and killed via simulation of a human body, so damage of the insecticide use to the environment and the human bodies can be reduced; and therefore, the outdoor pest killing apparatus is suitable for large public areas such as schools.

The invention discloses a self-condensing reservoir. The self-condensing reservoir comprises a reservoir, an energy supply system, an air inlet pipe, a wind guide pipe, a self-condensing chamber, an exhausting pipe, semiconductor refrigerating plates and a water storage groove, wherein the energy supplying system is arranged on a ceiling of the reservoir, the air inlet pipe is connected to the topof the energy supplying system, the wind guide pipe is connected to the bottom of the energy supplying system; the exhausting pipe sheaths the outer part of the wind guide pipe, and the self-condensing chamber is fixedly connected to the lower end of the exhausting pipe; the water storage groove is arranged at the bottom part of the self-condensing chamber; the semiconductor refrigerating platesare close to the self-condensing chamber and are arranged on the side surfaces of the self-condensing chamber; the semiconductor refrigerating plates are electrically connected with the energy supplying system. The self-condensing reservoir disclosed by the invention has the beneficial effects that the independence is very strong, no limitation of hard conditions such as regions and terrains and the like are caused, and the worry about water sources can be eliminated; water vapor in the air can be condensed for multiple times, so that the efficiency is high; environmental-friendly wind energyand solar energy are adopted as power sources, so that any pollution to the environment can not be caused; the whole structure is simple, the installation is convenient and the use prospect and the promotion prospect are good.

The invention discloses a novel energy-saving and environment-friendly railway signal lamp which comprises a base, a lamp post and a lamp body, wherein the lamp post is fixedly arranged on the base; the lamp body is mounted at the upper part of the lamp post; a plurality of triangular reinforcing ribs which are arranged along the circumferential direction are arranged between the lamp post and the base; the triangular reinforcing ribs are welded with the lamp post and the base respectively; the lamp body is an electrodeless lamp; the top of the lamp body is provided with a solar cell panel which is oblique southwards; the inside of the base is provided with a solar storage cell and a solar controller which are communicated with the solar cell panel; the solar storage cell supplies power to the lamp body. The novel energy-saving and environment-friendly railway signal lamp is firm in structure, by adopting the electrodeless lamp, is high in brightness and little in power consumption, moreover, by using the solar cell as a power supply, is environment-friendly in energy source and reliable in performance, and the power consumption can be greatly reduced.

The invention discloses an environmental risk prevention measure and method for an ecological sensitive area of an expressway, and the measure comprises a mounting plate, the top of the mounting plate is fixedly connected with a supporting column, the top of the supporting column is fixedly connected with a fixed plate, one side of the top of the fixed plate is fixedly connected with a supporting frame, and one side of the top end of the supporting frame is fixedly connected with a warning board. The warning board is coaxially and rotatably sleeved with a cleaning transmission assembly, one end of the cleaning transmission assembly is fixedly connected with a scraping strip, and one side of the scraping strip is slidably connected with the surface of the warning board; the top of the fixing plate is fixedly connected with a double-output-shaft motor, the two ends of the double-output-shaft motor are fixedly connected with transmission rotating shafts correspondingly, the end, away from the double-output-shaft motor, of one transmission rotating shaft is fixedly connected with a cleaning transmission assembly, and the end, away from the double-output-shaft motor, of the other transmission rotating shaft is connected with an angle adjusting assembly. The top of the angle adjusting assembly is rotationally connected with one side of the bottom of the solar panel.

The invention discloses a mosquito trapping and killing device, and belongs to the technical field of mosquito killers. According to the mosquito trapping and killing device, breathing of a living body is simulated, namely carbon dioxide is expelled to attract mosquitoes, simulated human skin is used, insecticide components are arranged in the skin, and when the mosquitoes approach and suck the skin, the elimination of the mosquitoes is achieved. The mosquito trapping and killing device has a reasonable structure, traps and kills the mosquitoes by simulating the human body, reduces the harm of spraying the insecticide to the environment and the human body, and is suitable for using in large public places such as schools and the like.

The invention provides a movable charging connector, which comprises a movable socket device and a plug device. The movable socket device is arranged on a motherboard and comprises a socket module and at least one guide cylinder, which are fixedly arranged on a movable fixing board. A draw spring is arranged between the movable fixing board and the motherboard. When the plug device is connected with the movable socket device, the movable fixing board is mutually matched with the draw spring in order to realize the movement of the movable socket device in the arbitrary direction. In the invention embodiment, because the movable socket device is provided with the draw spring and the fixing board and the guide cylinder can be matched with a guide column on the plug device, the self-adaption connection of the movable socket device and the plug device can be ensured in order to realize the movable function of the charging connector and consequently to provide environment-friendly energy sources for the running of electric automobile.

The invention discloses an application method of a complementary non-pressure-bearing water heating system. Water is heated at first by a general glass-tube solar water heater (1) via natural energy; water supply temperature is displayed through a gas water heater (3) in a sensing way by the aid of a temperature probe (5a) and a temperature probe (6b); accurate mixing of cold water and hot water is achieved by adjusting a cold water and hot water volume adjusting spindle in a mobile device by a water supply thermostat (7) through a servo motor, so that constant-temperature hot water supply required by users can be achieved. People's requirements for both all-weather use and instant heating can be met, environmental protection and energy economization are achieved, and hot water supply for multiple hot water service points can be realized.

The invention provides a multichannel constant voltage source which comprises a shell. A circuit board is arranged in the shell, an alternating-current input interface is integrated on the circuit board, alternating current passes the alternating-current input interface and then is sequentially connected with a full-bridge filter shaping module, a voltage adjusting distribution module and an isolation driving module, direct-current high voltage is outputted by an inverter output execution module, the voltage adjusting distribution module, an ARM (advanced RISC machines) main control module and an SPWM (sine pulse width modulation) wave generation module form a control loop, the inverter output execution module is further connected with the ARM main control module through a signal acquisition feedback module, and the ARM main control module is further connected with the full-bridge filter shaping module through a brake shutoff contact and electrically connected with an energy storage device, a temperature detection unit, an alarm unit and a lighting unit. The constant voltage source is low in design cost, less in wiring, more convenient to produce and maintain, high in efficiency, simple in structure, convenient to operate, high in accuracy and small in occupied space.

The invention discloses a wood modification composition, a preparation method and application thereof, and belongs to the field of forestry chemical industry. The wood modification composition of the present invention is composed of a mixture of low-molecular urea-formaldehyde resin and methylol urea; the mixture of methylol urea is mainly composed of monomethylol urea and dimethylol urea. The wood modification composition of the present invention has the characteristics of low viscosity, good water solubility, good storage stability, etc., and is suitable for the needs of vacuum pressure impregnation of various tree species, especially suitable for densification of low-grade artificial forests, increasing functions, etc. Use needs. After the wood modification composition of the present invention is used to modify the artificial forest wood, the dimensional stability of the wood is significantly improved, defects such as cracking and deformation during use before treatment can be overcome, and the physical and mechanical properties are obviously improved. When the wood modification composition of the present invention is used in combination with functional agents such as flame retardants and preservatives with good water solubility, the properties of fire resistance, moth resistance, mildew resistance and corrosion resistance of wood can also be improved.

The invention provides an assembled biological environmental friendly nurse station. The assembled biological environmental friendly nurse station comprises the following components which have common standard structures, an upper bench top, a lower bench top, a face A, a face B, a keyboard area, an integrated host cabinet and an integrated four-drawer cabinet. The upper bench top is used as a communication area. The lower bench top is used as an operation area, and the lower bench top is detachably connected with the upper bench top through jacks and plugs. The faces A and B are used as inner and outer separating members of the nurse station, the face A is detachably connected with the face B through jacks and plugs. The keyboard area is used as a computer operation part. The integrated host cabinet is used for containing a table model host. The integrated four-drawer cabinet is used for containing files. The faces A and B, and other frames are mainly made form biological composite material, the biological composite material comprises two or more kinds of high density polyethylene, polyvinyl chloride, polypropylene, ABS material and polytetrafluoroethylene, the two or more kinds of materials are mixed according to different proportions, and the content of each material is within 0 % to 90 %. All components of the nurse station can be freely replaced, the components can be connected and assembled through clamping holes and clamped joints, and the replaced components can be recycled.

The invention relates to the technical field of elevators, and discloses a magnetic safety assembly for reducing gravitational potential energy during elevator stall falling. The magnetic safety assembly comprises a cable; a cable pipe is fixedly connected to the outer side of the cable; a speed reducing mechanism is movably connected to the outer side of the cable pipe; a gripper is movably connected to the top of the speed reducing mechanism; and a balance layer is fixedly connected to the inner side of the gripper. According to the magnetic safety assembly for reducing the gravitational potential energy during elevator stall falling, induced current is generated and transmitted to an electrode plate through transmission of a circuit, so that a coil on the outer side of the electrode plate is electrified, and when the gripper moves outwards, the speed reducing plate at the bottom of a connecting rod moves in the electrified coil; furthermore, in the moving process, according to the Lenz's law, it can be known that the speed reducing plate can generate the eddy current effect when the coil moves, and movement of the gripper is limited according to the coming and leaving refusing principle, so that the falling potential energy of the cable is consumed, and the elevator stall protection level is improved.

The invention discloses an environment-friendly wind power generation capacity short-term prediction device. The environment-friendly wind power generation capacity short-term prediction device comprises a predictor shell, a wind energy recording mechanism is arranged in the predictor shell, and comprises a transmission groove, the transmission groove is located in the predictor shell, a moving groove with an upward opening is formed in the lower end wall of the transmission groove, a moving block is arranged in the moving groove in a sliding manner, the upper end face of the moving block is fixedly provided with a moving rod with the upper end located in the transmission groove, the device does not use a power source, and completely relies on exterior wind running, the device is quite environment-friendly and saves energy, the device can automatically adjust the direction and right faces the wind blowing direction, wind energy in the measured place is subjected to short-term predication, the reading is recorded, the user only needs to observe the reading on time, the device is reset, the wind energy value in the short term in the measured place can be obtained, use is easy, the whole input cost and material are small, and resources are saved.