87results about How to "Does not occupy an area" patented technology

The invention provides a novel valve tower of a thyristor converter valve. The novel valve tower comprises a valve hall, a valve tower body, a valve support (6) and a lightning arrester (9). The valve tower body and the lightning arrester (9) are hung on the lower edge of a steel beam on the top of the valve hall through a suspended insulator chain. The valve tower body is composed of a top shielding case (4), a bottom shielding case (1) and valve layers between the top shielding case (4) and the bottom shielding case (1). The valve tower body is composed of a left half tower body and a right half tower body. Each valve layer is composed of two converter valve modules (2). The valve layers and the bottom shielding case (1) are suspended below the top shielding case (4) through interlayer insulators (3) arranged between the adjacent valve layers and arranged between the valve layers and the bottom shielding case (1). By the adoption of the structure, the valve tower body and the steel beam on the top of the valve hall can swing relatively, the valve layers can also swing relatively, and therefore the valve tower is high in overall flexibly and good in anti-seismic effect.

The invention provides an onsite processing process for discarding initial rainwater in a heavy rain without occupying area, belonging to the technical field of environmental engineering. The invention discloses an onsite processing device for the discarding initial rainwater in the heavy rain without occupying area, which comprises a water inlet mechanism, a soil covering layer, a mixed layer, a soil layer, a gravel layer, a fine sand layer, a foundation layer and a draining mechanism, wherein the soil covering layer, the mixed layer, the soil layer, the gravel layer, the fine sand layer and the foundation layer are arranged in sequence from top to bottom; and the water inlet mechanism is connected with the mixed layer; and the draining mechanism is connected with the gravel layer and the fine sand layer. By the invention, the discarded initial rainwater in the heavy rain can reach the grade I discharge standard of the Discharge standard of pollutants for municipal wastewater treatment plant (GB18918-2002) and GB / T 18920-2002 reuse of recycling water for urban and water quality standard for urban miscellaneous water consumption, and the blockage problem of the groove processing system can be effectively prevented.

The invention discloses an ultra high speed laser driver circuit with bandwidth compensation and a diver chip; the feedback circuit composed of two cross coupling capacitors and the capacitor and the resistor connected in a parallel mode is used for executing the laser driver bandwidth compensation. For two cross coupling capacitors, the stray capacitance between the base and the collector can be eliminated; for the feedback mode of one capacitor and one resistor, one zero point is generated for compensating the pole for realizing the bandwidth compensation; and the modulating current directly flows to the laser diode through the load resistor, so that the laser diode can obtain larger modulating current. The laser driver circuit and the driver chip having pre-emphasis function are simple in structure, high in bandwidth, large in modulating current and low in power consumption; the chip adopts the resistor and capacitor for expanding the bandwidth, the occupied area is small and the chip cost is reduced; the work speed is 40Gb / s through the 0.13 mum BiCMOS process certification and the output modulating current is greater than 10 mA.

The invention discloses a device and method of producing a steamed coarse cereal bread. The device is characterized in that a storage tank for storing steamed coarse cereal bread forming molds is fixed at one end of a chain conveying belt; mold plates are fixed to the chain conveying belt; the mold plates are fixed by hinges; a dough support plate is fixed above the conveying belt through a rack;a conveying belt is wound on support rollers of the dough support plate; a dough feeding roller is arranged at an output end of the dough support plate; dough is fed through the dough feeding roller and rolled to be smooth and flat, and then slides down to be spread on the steamed coarse cereal bread forming molds on the chain conveying belt; and a downward pressing mechanism and an ejection mechanism are sequentially mounted at the rear end of the dough feeding roller and mounted and fixed by spanning the chain conveying belt. Compared with the traditional processing method, the method is high in production efficiency, and the production device is simple in structure and does not occupy much area of a workshop.

The invention relates to the technical field of fire-fighting elevators and discloses a cat ladder device for a fire-fighting elevator. A safety window is formed in the roof of an elevator car of the elevator. A storage type cat ladder is fixed to one side of the safety window. The cat ladder can be extended into the elevator car downwards and inwards and can be stored on the upper portion of the safety window. The cat ladder can also be extended towards a shaft outwards. The cat ladder device can extend and contract, the cat ladder device can be folded on the roof of the elevator car in the normal state, the area in the elevator car cannot be occupied, and the appearance of the elevator car is not influenced. In rescue, firstly steps are extended into the elevator car for rescue in the elevator car, the steps are extended into the shaft after staff leaves the elevator car for the shaft rescue, the cat ladder is arranged on the roof of the elevator, and two purposes are achieved through one ladder.

The invention relates to a parallel heat radiating system of computer-room equipment. The parallel heat radiating system is characterized by comprising a cabinet parallel heat radiating system; the cabinet parallel heat radiating system is provided with a closed circulating pipeline which is filled with proper amount of heat exchanging medium; a cabinet heat release and condensation device and a plurality of cabinet heat absorbing and evaporating devices are connected to the pipeline; the cabinet heat-absorbing and evaporating devices are respectively arranged at the heat release points of indoor computer-room equipment; the cabinet heat release and condensation device is arranged outdoors; the cabinet heat absorbing and evaporating devices are connected to a master gas pipe via gas branch pipes; the master gas pipe is connected to the cabinet heat release and condensation device; the partial or whole gas is condensed into liquid by the cabinet heat release and condensation device, and then the liquid is sent to a master liquid pipe; the liquid in the master liquid pipe backflows to the cabinet heat absorbing and evaporating devices via liquid branch pipes; the mounting height of the cabinet heat absorbing and evaporating devices is lower than the mounting height of the cabinet heat release and condensation device. The parallel heat radiating system of the computer-room equipment, disclosed by the invention, is used for releasing the heat to the outside via the closed circulating pipeline in a manner of absorbing heat at the heat release points of a computer room, so that the temperature in the computer room does not rise and the operating environment of the computer room is guaranteed.

The invention discloses a multifunctional quick heating type heat pump water heater and belongs to the technical field of application of heat pumps. The water heater is characterized in that: a liner is arranged in a quick heating type water heater; a double-layer sleeve refrigerant-water heat exchanger is arranged between an inner side face of a shell of the water heater and an outer side face of the liner; an inner sleeve is communicated with the liner through an inlet of the liner to form an inner water chamber; a refrigerant channel is formed between the inner sleeve and an outer sleeve; and an outer water chamber is formed between the outer sleeve and an inner side face of the shell of the quick heating type water heater. The invention has the advantages that: the refrigerant flow is adjusted for heating according to the needed hot water quantity, the heat loss of a water storage tank is greatly reduced, the energy is saved, and the operating cost is saved; a domestic hot water circulation loop and a heating water circulation loop are formed, one machine has multiple purposes, and the water heater has a compact structure and low initial cost; the hot water quantity is not limited by the volume of the water storage tank, and the water heater can be continuously used for a long time; and the water heater has light weight and small volume and is convenient to mount and use.

The invention discloses a method for improving a chip simultaneous testing number. The method comprises the following steps that: (1) placing a BIST (Built-in Self Test) circuit in a scribe line gap between chips; (2) connecting the BIST circuit with peripheral chips through a data bus; (3) sending a control signal to the BIST circuit by automatic testing equipment, selecting a plurality of connected tested chips, and carrying out a multi-chip test; (4) carrying out feedback on a test result and the state of a data register to the automatic testing equipment by the BIST circuit, determining the PASS / FAIL situation of each tested chip and failure modes and positions in the chips by the automatic testing equipment according to the test result and the data register so as to realize the simultaneous testing of multiple chips; and (5) after testing is finished, when a silicon wafer is cut and picked up, removing the BIST circuit from the scribe line. By use of the method for improving the chip simultaneous testing number, the simultaneous testing of multiple chips can be realized, and additional chip areas are not increased.

The invention discloses a distance detection device and method and is used for providing a distance detection realization mode and improving the accuracy of a detection result. The device comprises an audio transmitter with the use of a piezoelectric ceramic used for emitting ultrasonic waves, a first audio receiver which is used for receiving the ultrasonic waves, a second audio receiver which is used for receiving the ultrasonic waves, a first converter which is connected to the first audio receiver and is used for obtaining the ultrasonic waves and generating a first digital signal according to ultrasonic waves received in every two consecutive times, a second converter which is connected to the second audio receiver and is used for obtaining the ultrasonic waves and generating a second digital signal according to ultrasonic waves received in every two consecutive times, and a processor which is used for calculating a first distance and a second distance according to the first digital signal and the second signal and determining whether an object is in a preset direction according to the first distance and the second distance.

The invention discloses an intelligent electric air valve control system and method applied in urban rail traffic. The control system comprises a circuit center monitoring system, a station level controller, an upper monitoring system controller, an intelligent electric air valve control box, an intelligent electric fan control box and a network communication bus, wherein an intelligent electric air valve controller is arranged in the intelligent electric air valve control box; the intelligent electric air valve controller is electrically connected with a plurality of intermediate relays; theintermediate relays are electrically connected with an air valve actuator; the air valve actuator is connected with an electric air valve; and the intelligent electric air valve controller is also connected with a display in a communication manner. According to the control system, the quantity of power distribution loops and the quantity of cables can be decreased, elements in the electric air valve control box are few, and the wiring is simple, so that the scale of civil engineering of a station can be reduced to the great extent, the energy of the air valve and the power quality can be managed conveniently, and the operation and maintenance of the air valve can be facilitated.

The invention discloses an intelligent desk. The intelligent desk is characterized by comprising a desk body, a touch computer, a sensor unit and a control unit; specifically, the desk body comprises a desk face and an overturning component; the touch computer is embedded in the desk face and connected with the overturning component; the sensor unit is arranged on the desk body, the output end of the sensor unit is connected with the touch computer and used for sending the detected sensor signal to the touch computer; the input end of the control unit is connected with an external power source and the output end of the sensor unit, the output end of the control unit is interconnected with the touch computer and the overturning component, and the control unit is used for processing the sensor signal sent by the sensor unit, controlling the overturning component to overturn the touch computer from the inside of the desk face to the outside of the desk face and controlling the switch of the computer; the sensor unit includes an infrared sensor, and the infrared sensor is arranged on the outer surface of the desk face and used for sensing an user and sending the infrared signal to the control unit; the control unit controls the overturning component to overturn the touch computer from the inside of the desk face to the outside of the desk face and controlling the starting of the computer.

The invention relates to a long-focus biprism periscopic lens, which comprises an optical reflection element I, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens andan optical reflection element II from the object side to the image side. The optical reflection element I bends an optical path, and has an angle of 45 degrees between the reflection surface and theoptical axis. The first lens has a positive refractive power, and the object side is concave at the optical axis. The second lens has a positive refractive power and a meniscus shape, the image side is a convexity. The third lens has a negative refractive power, the object side is a convexity at the optical axis, and the image side is a concavity. The fourth lens has a positive refractive power, the object side is a convexity. The fifth lens has a positive refractive power, the image side is a concavity at the optical axis. The sixth lens has a positive refractive power, and has an inflectionpoint in the image side. The optical reflection element II bends the optical path, and has an angle of 45 degrees between the reflection surface and the optical axis. The long-focus biprism periscopiclens realizes a periscope function and satisfies the configuration of the ultra-thin thickness of a mobile phone by changing the direction of the optical axis, and realizes the purpose of not occupying the screen area of the mobile phone by matching a mechanical telescopic mechanism on the mobile phone.

The invention provides a fingerprint recognition component comprising a light guide panel, at least one active light source and at least one fingerprint module group. At least one active light sourceis arranged on one of the side surfaces exactly facing the light guide panel. At least one fingerprint module group is arranged on the other side corresponding to the active light source of the lightguide panel. The light guide panel is provided with a fingerprint contact surface used for fingerprint pressing. The light emitted by at least one active light source penetrates through the side surface to be reflected inside the light guide panel to be irradiated to the fingerprint contact surface on which the fingerprint to be recognized is pressed and totally reflected with the fingerprint to be recognized. The totally reflected light of the light guide panel is incident to at least one fingerprint module group. At least one fingerprint module group acquires and recognizes the fingerprint image according to the totally reflected light. The invention also provides a display device equipped with the fingerprint recognition component and an electronic device equipped with the display device.

The invention provides a cooling structure of a chip, belonging to the field of microelectronics. The cooling structure comprises a P-type superlattice layer and an N-type superlattice layer which are formed on the upper surface of the chip through oxide isolation; a P-type superlattice and an N-type superlattice are isolated by silicon dioxide; the P-type superlattice is electrically connected with a metal layer of the chip through a touch hole, wherein the metal layer of the chip is connected with a low-potential power supply, and meanwhile, a metal layer formed above the P-type superlattice is connected with an external power supply; the N-type superlattice is electrically connected with a metal layer of the chip through a contact hole, wherein the metal layer of the chip is connected with a high-potential power supply, and meanwhile, a metal layer formed above the N-type superlattice is connected with an external power supply; and the potential of the external power supply connected with the P-type superlattice is lower than that of the external power supply connected with the N-type superlattice. By utilizing the characteristics of low thermal conductance and similar phonon localization behaviors of the superlattices, the heat of the chip can be radiated, and meanwhile, the heat from the surrounding environment can be inhibited to transfer to the chip.

The invention discloses an intelligent lifting type mobile plant cultivation device for 3D modular houses. The intelligent lifting type plant cultivation device includes a lifting device and a plant cultivation device, and a power supply unit and an infrared receiving unit are connected to the input end of a main control MCU. , the remote control is equipped with an infrared transmitting unit, which is wirelessly connected with the infrared receiving unit. Four lifting motors are symmetrically installed on the side wall of the rectangular wall opposite to the side of the cultivation device. The output shaft of the lifting motor is fixedly connected to the winch, and the winch is pulled The rope is connected with the lifting platform; the bottom of the box is provided with a plurality of seepage holes with a one-way valve I for downward flow, and the center is provided with a flow hole that is connected with the spray pipe, and the top of the spray pipe is connected with a spray hole head. Both the seepage hole and the flow hole are connected with the reserved space at the bottom of the box and are integrated with the pipeline. The end of the pipeline is equipped with a valve with pressure, and the bottom of the box is equipped with a universal wheel. It not only saves space for users, but also has the functions of recycling water and moving.

The invention relates to an aerial lightweight self-help traffic system, which comprises a track sub system, a plurality of electric cars and an automatic operation control system, wherein the track sub system comprises struts, an ambulatory type framework body and annular tracks, the struts are ranged among the street direction, the ambulatory type framework body is erected on the struts, the annular tracks are paved in the ambulatory type framework body and are paved over a street through the ambulatory type framework body, each electric car comprises a body, an electric car controller and an electricity taking device, the car body moves along guide rails, the electric car controller is arranged on the car body, the electricity taking device is arranged at the bottom of the car body and is in contact with the annular tracks, the electric car controller is connected with the electricity taking device through a conducing wire, the automatic operation control system comprises a control center computer, an electric car controller, a station controller and a wireless router, and the station controller and the electric car controller are connected with the control center computer through the wireless router. The aerial lightweight self-help traffic system has the beneficial effects that green and environment-friendly effects are realized, drivers are not needed, the street area is not occupied, the ground traffic is not influenced, the building construction is convenient, the operation and the maintenance are convenient, and economy and practicability are realized.

The invention discloses a multifunctional electric stove, which comprises a heat elimination disk and a primer disk. The upper surface of the heat elimination disk is a concave pan bottom shape; an annular water tank with an L-shaped cross section is arranged on the periphery of the heat elimination disk and the primer disk; a water level gauge is arranged on the outer wall of the annular water tank; a vapor outlet one way valve is arranged at the upper part on the outer wall of the annular water tank, the vapor outlet one way valve is communicated with a tureen, and the vapor outlet one way valve is normally opened to the tureen in one way; a three-way valve is arranged at the lower part on the outer wall of the annular water tank, a water tap is connected with one end of the three-way valve, and the other end is connected with a water supply valve; a heating pipe is connected with a mains jack, and the mains jack is used for connecting a power supply. The multifunctional electric stove takes electric power as the power source for cooking, simultaneously heating water to be boiled through the heat on the periphery of the electric stove, not only ensures the boiled water during cooking, but also realizes the functions of steaming and boiling, and the stove is environment protective, comprehensively utilizes the power source, saves the electric power and does not cause electromagnetic radiation pollution, and has the advantages of energy saving, time saving, labor saving, little kitchen area occupied, and multifunction.

The invention discloses an ultra high speed laser driver circuit with bandwidth compensation and a diver chip; the feedback circuit composed of two cross coupling capacitors and the capacitor and the resistor connected in a parallel mode is used for executing the laser driver bandwidth compensation. For two cross coupling capacitors, the stray capacitance between the base and the collector can be eliminated; for the feedback mode of one capacitor and one resistor, one zero point is generated for compensating the pole for realizing the bandwidth compensation; and the modulating current directly flows to the laser diode through the load resistor, so that the laser diode can obtain larger modulating current. The laser driver circuit and the driver chip having pre-emphasis function are simple in structure, high in bandwidth, large in modulating current and low in power consumption; the chip adopts the resistor and capacitor for expanding the bandwidth, the occupied area is small and the chip cost is reduced; the work speed is 40Gb / s through the 0.13 mum BiCMOS process certification and the output modulating current is greater than 10 mA.

The invention provides a light-operated safe infusion device. To the novel safe infusion device, liquid medicine in a transmitting tube on an infusion device is monitored by using a beam tube and a photosensitive sensor manufactured by a photoelectric induction principle, and an electromagnetic valve can stop flowing of the liquid medicine in the infusion device in time when the liquid medicine in a medical bottle is completed, so that air is prevented from entering a human body, and a potential risk of infusion that human blood flows out can be prevented.

The invention provides an electronic device. The electronic device includes a shell, a display screen arranged on the shell, and a mounting box; an accommodating space is formed in one side, back tothe display screen, of the top wall of the shell; the mounting box is movably accommodated in the accommodating space; a receiver is arranged in the mounting box; the receiver comprises a sound cavityshell, the sound cavity shell is provided with a sound outlet hole, the installation box is provided with a sound outlet channel corresponding to the sound outlet hole, the shell is provided with a sound through hole, the sound through hole is communicated with the accommodating space, and when the installation box is accommodated in the shell, the sound outlet channel of the installation box iscommunicated with the sound through hole.

The invention discloses an aircraft carrier plane rotary catapult-assisted take-off platform, and mainly relates to the field of military weapons. The take-off platform includes a rotary seat support,a rotary column is vertically arranged at the top of the rotary seat support, a rotary table is arranged on the rotary column, a plurality of gate positions are arranged on the top of the rotary table in an annular array mode, a baffle plate groove is formed in one end of each gate position, a baffle plate capable of being opened and closed is arranged in each baffle plate groove, and a locking device used for locking wheels of a plane is arranged on one side of each baffle plate groove. The beneficial effects of the invention are that: the technical structure is simple, the weight cost and the energy consumption are relatively low, few parts are involved, and the maintenance need is few, a plurality of planes can be catapulted to take off simultaneously or continuously, take off is carried out in a gentle and uniform acceleration rotating mode, fresh water is not needed, the wind direction is not considered, the instantaneous load is smooth, the range of planes suitable for take-offis wide, the speed controllability is high, runway run-up is not needed, excessive deck area is not occupied, no electromagnetic interference exists, and rising or multi-layer design can be achieved.

The invention belongs to the technical field of power semiconductors, and relates to an LIGBT device with an integrated NMOS transistor. The device is mainly characterized in that an N+ collector region is introduced near a P+ collector region, an NMOS transistor is integrated above the collector region, the MOS transistor is isolated from the collector region below through a layer of an insulating medium, one end of the MOS transistor is in P+ short connection with a collector electrode, and the other end of the MOS transistor is in N+ short connection with the collector electrode through a conductive material. When the new device is in reverse conduction, the integrated NMOS transistor provides a path for current, so the new device has better reverse recovery characteristics. During forward conduction, threshold voltage is increased by increasing the concentration of a P-type channel region in the integrated NMOS transistor, and the punch-through of the MOS transistor is prevented, so the snapback effect can be effectively inhibited. When the device is turned off, the integrated NMOS transistor provides a path for electron extraction, so the new device has shorter turn-off time and lower turn-off loss. The LIGBT device provided by the invention has the advantages that a reverse conduction function can be achieved and the turn-off loss is lower compared with a traditional LIGBT device.

The invention discloses an intelligent lifting shoe cabinet used for a 3D modularized house. The intelligent lifting shoe cabinet comprises a lifting device and a shoe cabinet body; an electric control device comprises a main control MCU, an infrared receiving unit, a relay control unit and a power supply unit, the power supply unit and the infrared receiving unit are connected with the input end of the main control MCU, and an infrared transmitting unit is arranged in a remote control unit and is wirelessly connected with the infrared receiving unit; four lifting motors are symmetrically installed on side walls of a rectangular wall body opposite to the side face of the shoe cabinet body, a winch is fixedly connected with an output shaft of each lifting motor and connected with a lifting table through a hauling rope, sliding blocks are arranged on guide rails, the lifting table is fixedly connected with the sliding blocks, and the shoe cabinet body is placed on the lifting table. Space is saved for a user, and the intelligent lifting shoe cabinet has the ventilating and dustproof functions.

The invention discloses a newsstand with storable showing cabinets. The newsstand with the storable showing cabinets is characterized by comprising a newsstand box, the showing cabinets, a display cabinet, a lighting lamp, a worktable and a folding door, the newsstand box is divided into a display area, a storage area and an activity area, and the activity area and storage area are partitioned by the display cabinet. Transverse slideways are arranged at the top of the storage area, longitudinal slideways are arranged on two sides of the top of the newsstand box respectively, and the lighting lamp is arranged at the top of the newsstand box. Display racks are arranged in the display area, the worktable is arranged on the display racks and is in hinge joint with the folding door, and the showing cabinets are mounted on the transverse slideways or the longitudinal slideways through pulleys. The newsstand with the storable showing cabinets is simple in structure and reasonable and skillful in design.

The invention discloses a bowl basket hidden type dishwashing sink structure. The bowl basket hidden type dishwashing sink structure comprises an expansion type sink box body, a sliding basket assembly, an actuation assembly and a disinfection assembly; the sink box body comprises a normally open sink and a hidden type bowl basket box; the hidden type bowl basket box is formed by extending and expanding from a longitudinal direction of the normally open sink; a dish basket port is formed on a separator at a joint of the normally open sink and the hidden type bowl basket box; the dish basket port is used for pushing the sliding basket assembly out of the normally open sink or retracting the sliding basket assembly into the hidden type bowl basket box under the drive of the actuation assembly; and the disinfection assembly is arranged in the hidden type bowl basket box. According to the bowl basket hidden type dishwashing sink structure, when a bowl basket is hidden, a dishwashing sink is reduced to be used as a common sink, and when dishes are washed or the dishes are placed and taken out, the bowl basket is integrally pushed into a disinfection cavity at the right side of the sink,and thus, not only can the dishes cleaned up be stored and disinfected, but also the sink can be reduced; and a gas stove can be arranged above the bowl basket box of the structure, so that an area of a kitchen top is not occupied, and a utilization rate of the kitchen top is improved.

The invention discloses an intelligent home education system, which structurally comprises a desk body, a student side and a teacher side, wherein a display screen is arranged on the upper surface ofthe desk body; a groove is formed in the middle of the upper surface of the desk body; the bottom of the display screen is connected to the groove via a rotating shaft; the right side of the rotatingshaft is connected to the power output end of a motor; the motor is arranged in the desk body; the teacher side and the student side are connected via an internet; audio and video can be acquired viaaudio and video acquisition equipment which is arranged in the teacher side, and then the audio and video can be outputted to the student side via the internet; a host machine is arranged in the student side, and the audio and video, which are transmitted from the teacher side, are received via the host machine; and the audio and video are outputted via the display screen and a sound box. The audio and video can be outputted from the student side to the teacher side via a camera and a microphone; therefore, an effect of conducting interactions can be achieved in an education process; and teaching quality can be improved.

The invention discloses a degumming method of a waste rubber skeleton material, and belongs to the technical field of recycling of waste rubber skeletons. The degumming method of the waste rubber skeleton material utilizes a degumming solvent composed of a mixture of ethyl acetate and xylene to soak skeletons, the degumming solvent can fully penetrate into the rubber-metal contact layer of each skeleton, penetration is performed, and dissolution is performed until the bonding surface is destroyed. The purpose of the invention is to provide the degumming method for the waste rubber skeleton material to overcome the shortages that a current waste rubber skeleton material has a poor separation effect and is difficult to recycle. According to the method provided by the invention, the strong-polarity degumming solvent has great permeability, adsorption and solubility, so that waste rubber on the skeletons can be effectively stripped, and recycling of the waste skeleton rubber material can be realized.

The invention discloses a multifunctional double-gun direct-current charging pile and a using method thereof.The multifunctional double-gun direct-current charging pile comprises a charging pile body and an embedded box, a sliding base is positioned and installed at the bottom of the charging pile body, a sealing base is installed at the upper end of the embedded box, a base is installed at the bottom of the embedded box, and an embedded groove is formed in the inner side of the embedded box; the sliding seat is located on the inner side of the pre-buried groove, a displayer, a control panel, a fire extinguishing mechanism and a fan heat dissipation mechanism are arranged at the front end of the charging pile body, a mounting clamping seat is mounted between the charging pile body and the sliding seat, and a first charging box is arranged on one side of the charging pile body; a first charging gun is installed on the inner side of the first charging box. According to the multifunctional double-gun direct-current charging pile and the using method thereof, the charging pile sinking protection mechanism and the multifunctional area are arranged, the using function of the charging pile can be increased, and the multifunctional double-gun direct-current charging pile has the fire extinguishing and heat dissipation functions and is diversified in function, convenient to protect, small in occupied area and more practical.

The invention discloses an intelligent lift-type ventilation shoe cabinet for 3D modular housing. The intelligent lift-type shoe cabinet comprises a lifting device and a shoe cabinet, wherein an electric control device comprises a main control unit MCU, an infrared receiving unit, a relay control unit and a power supply unit; the power supply unit and the infrared receiving unit are connected to the input end of the main control unit MCU; an infrared emitting unit is arranged inside a remote controller and is connected to the infrared receiving unit in a wireless mode; four lifting motors are symmetrically arranged on the sidewalls, opposite to the side faces of the shoe cabinet, of a rectangular wall body; winches are fixedly connected to the output shafts of the lifting motors; the winches are connected to a lifting platform by virtue of traction ropes; sliding blocks are arranged on guide rails; the lifting platform is fixedly connected to the sliding blocks, and the shoe cabinet is arranged on the lifting platform; shutters are arranged on the lower parts of doors of the shoe cabinet; by virtue of support frames, the two spaces are divided into a plurality of rectangular spaces; and ventilation fans, which are provided with protective shields, are embedded in two side plates of a cabinet body. The shoe cabinet disclosed by the invention not only can save spaces for users but also can guarantee functions of ventilating and dust-proofing.

An ''acid rain control water intaking and saving device'' is a facility and a method of first treating and purifying with an acid rain control facility when collecting acid rain, then collecting the rain water and household waste water, making full and reasonable use of the water resource, and saving valuable water. With the technology, as initially estimated, our country can intake water about 10 billion cubic meters each year, save water 10 billion cubic meters, save power 12 billion kilowatt-hour, reduce household waste water discharge 10 billion cubic meters, and save about 40 billion yuan. The ''acid rain control water intaking and saving device'' has functions of acid rain purification, water intaking, water saving, power (electricity) saving, waste water discharge reduction, drinking water supply, shower water supply, supply of water for household cleaning and hygiene and temperature regulation, and can save engineering and construction materials. Using the ''acid rain control water intaking and saving device'' does not take up building area and space, does not change the building drawings, does not affect the house structure and shape. Rainwater intaken on the top floor does not contact the ground, without chemical pollution, without pollution from feces (stool and urine, spit) of people (healthy people and patients) and animals, without sewage, sludge and sludge pollution, and is the cleanest and best drinking water on earth.