241results about How to "Does not affect layout" patented technology

The invention discloses an information locating method for a document image based on a standard template. The method comprises the following steps: first, binaryzation processing and connected region analysis are performed on an image to be processed to obtain a series of candidate connected domains, and a group of connected domains with the characteristic of easy recognition is searched among the candidate connected domains; then, tilt correction and perspective correction are performed on a gray image of the image to be processed according to the acquired connected domains with the characteristic of easy recognition; and finally, the position of information to be recognized in the corrected image is located according to the positions of the connected domains with the characteristic of easy recognition. According to the invention, a locating method is provided by directly making use of image recognition, the acquisition process is simple and requires neither special equipment nor design of an exclusive bar code, and the method has a wider range of applications.

The invention discloses a prestress assembly frame structure which comprises floor beams, a floor post and a foundation, wherein the floor post is formed by connecting a plurality of floor post units in sequence from top to bottom, one floor post unit connected with the floor beams is a top post, one floor post unit connected with the foundation is a bottom post, a connecting point between the top post and the floor beams is a beam-post node, a connecting point between two adjacent floor post units is a post-post node, and the connecting point between the bottom post and the foundation is a post-foundation node. Through the improvement on the beam-post node, the post-post node and the post-foundation node, the problems that in a conventional prestress assembly frame structure, the beam-post node and the post-foundation node cannot consume energy effectively under major earthquake, and cannot provide pressed protection for concrete on a pressed area of an interface, and the tendon distribution method is unreasonable are solved, and meanwhile, the problems that the post-post node is inconvenient to accomplish, and an anti-shearing weak part is formed on a connection interface are solved.

The invention provides an external electric folding soft landing mechanism. The external electric folding soft landing mechanism comprises at least three groups of the same supporting mechanisms arranged on a vehicle body, each of the supporting mechanism groups comprises a damping post and a landing leg, wherein the damping post comprises an electric transmission mechanism and a hydraulic damping device; the electric transmission mechanism comprises a motor, a bearing, a lead screw and a plurality of stage transmission sleeves which are sequentially nested; the hydraulic damping device comprises a spiral fastening device, a piston rod, a piston head, a buffer outer cylinder and a sealing device. The landing mechanism disclosed by the invention is suitable for repeated use in perpendicular ascending and descending, and is stuck to the outer surface of the vehicle under a folding state, so that the aerodynamic influence on the vehicle is reduced, and the folding rigidity is good; when the landing mechanism disclosed by the invention is under an unfolding state, the supporting area is large, and the bearing capacity is strong; the landing mechanism disclosed by the invention has the characteristics of light in weight, simple in preparation technology, smooth in buffering process, free from rebounding during processes, and high in buffering efficiency, and can be repeatedly utilized; a protrusion structure of a mechanism casing can also achieve the effect that a rocket empennage is aerodynamically stabilized.

The invention belongs to the fields of coal mining and filling, and particularly relates to a strip-type filling method of a high water-swelling material for controlling movement and deformation of overlying strata. The filling method is applicable to a coal mining face of a coal bed with the thickness of less than 3m. The method comprises the following steps: determining the limit span L and the safety span M of key strata according to a key strata theory for strata control, then determining the width N of a filling strip through calculation according to the support strength of a filling material, and filling the filling strip with the high water-swelling material. In the invention, by controlling the key strata, the most economical filling ratio can be determined and the maximum benefit can be realized; when no-coal pillar extraction is realized, movement and deformation of the overlying strata are fully controlled within the allowable range, thus realizing gentle and uniform surface subsidence in small quantity; by means of the high water-swelling material, high-recovery mining of coal resources under any condition is realized, and the safety degree of the coal mining face is greatly improved; and normal excavation engineering layout is not affected during the filling process, thus reducing influence on production and achieving high production efficiency.

The invention discloses an entire-underground cable tunnel safety manhole being used also as a ventilation shaft, which pertains to the technical field of power supply and distribution circuits and comprises an underground firewall with a door, an aboveground firewall, a fire door, a propeller fan, a fire damper, a safety manhole, a vertical ladder, a stair hall, a sump pit and a dredge pump; wherein the safety manhole is also used as a ventilation shaft and adopts an entire-underground type. The entire-underground cable tunnel safety manhole has the advantages that: as the internal structure of the ventilation shaft is optimized, the requirements of ventilation, drainage, fire prevention and routing inspection of the cable tunnel are satisfied, and the entire structure of the ventilation shaft is arranged underground, thus solving the problem of the overall beautiful appearance of a factory and effectively reducing the construction cost. The channel and the ventilation opening of the ventilation shaft are integrated into one, thus being capable of being flexibly arranged without affecting the arrangement of other facilities on the ground in the factory district.

The invention discloses a freezing process water stopping device of a pre-buried freezing pipe at an opening of a wall body of an underground continuous wall. The freezing process water stopping device comprises the freezing pipe, a liquid supply pipe and a liquid drainage pipe, wherein the freezing pipe is in an annular structure with a gap, one end with the gap of the freezing pipe is connected with the liquid supply pipe, and the other end of the freezing pipe is connected with the liquid drainage pipe. The freezing pipe is pre-buried on one side which is close to a soil body in the underground continuous wall, and one ring or multiple rings can be arranged according to the actual needs. The liquid supply pipe and the liquid drainage pipe are led to the outside of the underground continuous wall from the appropriate parts so as to connect with an external freezing system. When the breaking and removing of the wall body or the excavation of the soil body is performed at the opening of the wall body of the underground continuous wall, the surface of the underground continuous wall, which is in contact with a reinforcing body is in frozen state through the pre-circulation of a cooling medium in the pre-buried freezing pipe, thereby enabling the reinforcing body to be well jointed with the underground continuous wall, and avoiding the situation that the breaking and removing of the wall body or the excavation of the soil body can not be completed normally due to water leakage of a water permeable channel formed between the reinforcing body and the underground continuous wall.

The invention relates to an automatic control device, in particular to the automatic control device for a prestressing force tensioning device. The automatic control device comprises a tool anchor piece, a hollow lifting jack which is matched with the tool anchor piece, and a hydraulic pump which is connected with an oil outlet pipe through an oil inlet pipe on the lower part of the hollow lifting jack; the automatic control device is characterized in that: one side of the upper part of the hollow lifting jack is matched with a wireless tension displacement sensor; and a pump body of the hydraulic pump is provided with a secondary control machine which controls an electronic control valve bank and a master control machine and a remote Web server which coordinate all tension end points. The automatic control device has a unique structure, is convenient to operate and use, and can realize the high-precision control measurement of tension amount, improve construction efficiency and accuracy, reduce labor intensity and realize the automation of a prestressed member tensioning device.

The check valve with safety valve is a kind of check valve installed at the lower end of the suction pipe of the oil pump, which can make the oil suction pipeline of the oil pump safer. The check valve with safety valve includes a check valve body 2, an outflow end flange 1, an inflow end flange 16, a check valve seat 11, bolts 15, an inflow end flange seal 10, an outflow end inner cavity 17. Rib plate 3, check valve core 18, valve stem cover 5, valve disc 13, valve stem 9, check valve spring 4, characterized in that the valve stem 9 of the check valve is equipped with a safety valve seat 6 , the safety valve that steel ball 7 and safety valve spring 8 form. The advantage is that the safety valve is far away from the inflow end and is not easy to be blocked; the safety valve is installed in the valve stem 9, which does not affect the flow of fluid in the check valve; does not affect the arrangement of other pipe fittings; the suction pipe of the oil pump, that is, the same as the check valve The pipe fittings connected to the outflow end are equipped with a safety valve as a guarantee. It can be popularized and applied in the check valve structure.

The invention discloses an output type multi-bearing-point independent suspension, which comprises an upper fork arm, a lower fork arm, elastic elements, a shock absorber and fork arm-positioning pivots; the upper fork arm and the lower fork arm are A-shaped structural parts, the front ends of the upper fork arm and the lower fork arm are respectively connected with the upper suspension point and lower suspension point of a wheel through main pins, the shock absorber is mounted on the top of the front end of the upper fork arm, and the rear ends of the upper fork arm and the lower fork arm are connected with a chassis through the elastic elements. A corresponding available space is expanded around the upper fork arm and the lower fork arm, reasonable bearing pivot points and transfer parts of the chassis are structured, the lever principle, the torsion bar principle and the principle of moments are utilized, so that double-fork arm pivotal suspension point motion can absorb bearing elastic force by means of returning force and the arms of force or direction change, the conventional one-point supporting elastic element is changed into the multiple multi-point supporting elastic elements, consequently, the force applied on the wheel is decomposed by multiple points, and thereby average running speed is increased. The increase in the number of the elastic elements and the reasonable arrangement of the elastic elements can reduce the height of a vehicle, optimize space utilization and improve the stability and running smoothness of the vehicle.

The present invention belongs to the technical field of tunable antennas, and discloses a two-dimensional tunable antenna regulation device. The two-dimensional tunable antenna regulation device comprises a tunable antenna lower end cover module, an electrical downward inclination angle transmission module and a horizontal azimuth transmission module; the tunable antenna lower end cover module comprises a lower end cover, an electrical downward inclination angle controller and a horizontal azimuth controller, wherein the electrical downward inclination angle controller and the horizontal azimuth controller are inserted into a lower end cover; and the electrical downward inclination angle controller drives the electrical downward inclination angle transmission module, and the horizontal azimuth controller drives the horizontal azimuth transmission module. The two-dimensional tunable antenna regulation device solves the problem that one regulation device cannot regulate an electrical downward inclination angle and a horizontal azimuth at the same time in the prior art and achieves the regulation of the electrical downward inclination angle and the horizontal azimuth at the same time,and the controllers are convenient to dismount and replace and convenient for antenna layout.

The invention discloses a novel fishway structure and relates to a fish passing facility for solving the problem that migratory fish swim upwards through a river crossing building. The novel fishway structure comprises fishway side walls, a contraction section and pool chambers, wherein the contraction section comprises long contraction sections and short contraction sections, the long contraction sections and the short contraction sections are oppositely distributed, fish passing vertical gaps are arranged between the long contraction sections and the short contraction sections, and the adjacent pool chambers are communicated through the fish passing vertical gaps; first groups of water blocking piers are arranged in the middles of the pool chambers, second groups of water blocking piers are arranged in the middle lower sections of the pool chambers, and third groups of water blocking piers are arranged in the fish passing vertical gaps. According to the novel fishway structure, plane and spatial three-dimensional zoning is carried out on water flow rates, so that various passing fish objects with different habits can pass in the same fish passing facility. The novel fishway structure has remarkable advantages over the traditional vertical gap type fishway in the term of water flow state. Meanwhile, the novel fishway structure has the function of a bypass channel under the condition of occupying small engineering land and has remarkable advantages on the aspect of engineering investment.

The invention relates to a ceiling embedded air conditioner which comprises a housing, a wind wheel, an evaporator, an air interchanger and a panel, wherein the wind wheel, the evaporator and the air interchanger are arranged in the housing; the panel is arranged on the housing; the periphery of the panel is provided with air outlets; an air inlet grille is arranged in the middle of the panel; a clothing hanging device is arranged on the housing; the clothing hanging device is close to the air outlets; the clothing hanging device comprises cloth rods and hooks; one ends of the hooks are connected with the cloth rods; the other ends of the hooks pass through the panel to be connected with the housing; through holes are arranged on the panel; lifting lugs are arranged on the housing; the other ends of the hooks pass through the through holes to be connected with the lifting lugs; the other sides of the hooks are provided with external screw threads; the other ends of the hooks pass through the through holes on the panel to be in threaded connection with nuts arranged on the lifting lugs; or, the other ends of the hooks are provided with protruding buckling hooks. The ceiling embedded air conditioner has simple and reasonable structure, is flexible to operate, has low manufacturing cost, is energy-saving and the characteristics of clothes drying function and wide application range.

The invention provides a self-resetting swinging wall assembly based on a shape memory alloy bar. The self-resetting swinging wall assembly is mounted between the bottom of a swinging wall and a foundation beam and comprises a V-shaped supporting seat and a memory alloy self-resetting device; the memory alloy self-resetting device comprises a shape memory alloy assembly, a hinged supporting seat and a fixed supporting seat, wherein the hinged supporting seat and the fixed supporting seat are arranged at the upper end and the lower end of the shape memory alloy assembly; the shape memory alloyassembly is composed of an alloy bar in the middle, a connecting plate on the top and a limiting stop block at the bottom; and the upper end and the lower end of the alloy bar are correspondingly connected with the connecting plate and the limiting stop block. According to the self-resetting swinging wall assembly based on the shape memory alloy bar, design of a self-resetting swinging wall is realized by utilizing a shape memory alloy damper and a V-shaped support at the bottom, and it can be ensured that a frame-swinging wall structure system can not only give a full play to the swinging performance of a wall body and dissipate earthquake kinetic energy under a strong earthquake, but also the frame-swinging wall structure system has the characteristic of self-resetting after the earthquake, structural earthquake damage and residual deformation are reduced, and quick repairing of the structure and component replacing are facilitated.

The invention discloses an automobile door lock, wherein, a clipping board (1) is attached to the rib of a locking claw (2) through lock position steps, the lock position steps are multilevel steps distributed around a circle taking the rotation center of the clipping board (1) as the centre of a circle. Through adopting the technical proposal, the security of the automobile door lock is improved, when an automobile is in an accident, a lock body is impacted by great impact force, the automobile door lock can prevent the automobile door from opening, which significantly reduces danger that passengers are thrown out of a passenger compartment; the appearance of the lock body does not need to be changed, one or a plurality of lock positions are added based on the prior lock body, the functions of the invention can be realized through changing the parts in the lock body, which can not affect the lock body arrangement on the automobile door, assembly technology performance, and interchangeability and general performance.

The present invention provides an operation promoting method and apparatus of a physical key. The method comprises the steps of acquiring an interface display instruction, and displaying a current operation interface on a screen; acquiring a control instruction generated after the key is touch in the current operation interface; and displaying prompt information corresponding to the control instruction on the key. The apparatus comprises an interface display module for acquiring the interface display instruction, and displaying the current operation interface on the screen, an information acquisition module for acquiring the control instruction generated after the key is touched in the current operation interface, and a prompt display module disposed in the key and used for displaying the prompt information corresponding to the control instruction. An operation after the key is touched in the current interface is pre-determined, the user is guided to operate, the user is prevented from wrongly touching the key, and the user experience is improved.

The embodiment of the invention provides a power battery top cover component, a power battery and a battery module. The power battery top cover component comprises a top cover piece, a first electrode terminal and a second electrode terminal; the first electrode terminal comprises a first pole rod and a first terminal plate; the first terminal plate comprises a first connection plate and a first conductive plate; the first conductive plate is exposed out of one side of the first connection plate, which is away from the top cover piece; the first conductive plate is connected with the first pole rod and the first connection plate; and the second electrode terminal is arranged at the other end of the top cover piece along a length direction and is arranged in a mode of being insulated from the first electrode terminal. According to the power battery top cover component provided by the embodiment of the invention, the structure of the first electrode terminal is optimized, so that a connecting piece made of a single material is well welded with the first electrode terminal and the second electrode terminal; and furthermore, in a case that the power batteries are arranged along a thickness direction when being connected in series, first extension parts and the second electrode terminals of two adjacent power battery monomers can be positioned on the same straight line.

The invention discloses a four-shaft type flight device body assembly which is characterized in that the inside of an equipment compartment (8) is separated into an upper equipment cavity and a lower medicine liquid cavity through a transverse plate (14); a motor bin (10) is formed in the outer end of each cantilever (9); a clamping block (2) and two location bases (3) are fixed at the position close to the edge of the bottom surface of a top cover (1); an inner support lug (3a) and an outer support lug (3b) are arranged at the inner end and the outer end of the bottom of each location base (3), respectively; a plug pin (4) penetrates through both the inner support lug and the outer support lug of the same location base (3); a poking rod (5) is vertically fixed to the plug pin (4); the plug pin (4) is sleeved with a spring (6). The four-shaft type flight device body assembly is simple in body shape, easy to process and manufacture, small in size, light in weight and reliable in strength; a medicine box filled with the medicine liquid is integrated in the body, thereby reducing the cost, reducing height size of the body, preventing the medicine liquid from rocking and ensuring balance of an aircraft.

The invention discloses a top-bottom variable-friction energy dissipation self-resetting prestressed concrete beam-column joint device which comprises a precast concrete column, a precast concrete beam located on one side of the precast concrete column, and a variable-friction energy dissipation device connecting the precast concrete column with the precast concrete beam. The variable-friction energy dissipation device comprises a middle friction steel plate with a fluctuating face, an outer friction steel plate with a fluctuating face, and an inner friction steel plate connected to the precast concrete beam. The high-order mode effect of a structure can be lowered, the energy dissipation capacity of the structure under the earthquake effect is improved, residual deformation of the precastfabricated reinforced concrete structure under the earthquake effect is reduced or eliminated, and obvious plastic deformation is prevented from occurring to main body structural components such as the precast beam and column.

The invention provides a lamp structure, which comprises an upper opening and a shell with a containing chamber, wherein a reflector, a light source component and an electrical element are arranged in the containing chamber of the shell, a reflector mounting seat of an 'L' shape or inversed 'T' shape is arranged in the shell, and a reflector bracket which is hinged on the reflector mounting seat via a hinged shaft and can drive the reflector to rotate is arranged on the reflector. The bracket is a lug extending on the reflector. The lug is formed to be bent after cut from corresponding parts on the reflector, so that the reflector forms a groove which enables the reflector mounting seat to be arranged at a position opposite to the lug. With the lamp structure, the light source and the reflector can maintain the connection with the shell and simultaneously can start a lower electrical appliance, wiring is not affected in maintenance, and the reflector and the light source do not need to be taken out from the shell. Simultaneously can avoid potential safety hazards of mistaken electrical wiring, abnormal operation of the lamp, short circuit of the electric wires and the like, and effectively solves the problem of on-site maintenance of professional lamps.

The invention provides a deployment method of wireless sensor nodes of an environmental monitoring system in a museum internet of things. The method comprises the following steps of: at first, establishing a model of a wireless sensor node deployment problem; and then deploying wireless sensor nodes by using an improved genetic algorithm. The invention has the advantages that: in a complex transmission environment of a museum, the sensor nodes are optimally deployed according to the improved genetic algorithm, and the efficient and energy-saving environmental monitoring system of a Zigbee ad hoc network and a wireless sensing network which is suitable for a museum environment are established, so that the defects in the traditional process of cable wiring of difficult arrangement of collection points, high system cost and difficulty in installation and maintenance are avoided. Furthermore, monitoring nodes are high in fitness and flexible to apply, do not influence collection distribution in an exhibition room and have strong self-organization and expansibility.

The invention discloses a method for mounting a wind pipe by a self-locking wind pipe lifting frame. The method comprises the following steps: firstly, a three-dimensional model of a building is built to determine a position and an elevation of the wind pipe; a new wind pipe lifting frame is designed according to the position and the elevation of the wind pipe; and the wind pipe is mounted by the wind pipe lifting frame. The method enables installation of the wind pipe to become simple, and can guarantee the wind pipe to position in the same one horizontal height.

The invention discloses a device for absorbing and purifying the odor of a fertilizer fermentation workshop. The device comprises a pre-washing tank, a biological filter and a discharge system which are sequentially connected. The device has the advantages of having an environment-friendly effect, saving the investment, and being free from secondary pollutant, high in treatment efficiency, obvious in removing effect, simple and convenient in equipment maintenance and high in safety, small in maintenance and low in cost.

The invention discloses a vehicle body and a vehicle with the vehicle body. The vehicle body comprises a ventilation hood component which extends leftwards and rightwards, a left absorber supporting seat, a right absorber supporting seat, a left wheel hood, a right wheel hood, a left longitudinal beam assembly, a right longitudinal beam assembly, a left wheel hood reinforcing plate, a right wheel hood reinforcing plate and a lower crossbeam component, wherein the left absorber supporting seat and the right absorber supporting seat are respectively connected to the left end and the right end of the ventilation hood component; the left wheel hood is fixed below the left absorber supporting seat, and the right wheel hood is fixed below the right absorber supporting seat; the left longitudinal beam assembly is fixed below the left wheel hood, and the right longitudinal beam assembly is fixed below the right wheel hood; the left wheel hood reinforcing plate is respectively fixed to the left absorber supporting seat, the left wheel hood and the left longitudinal beam assembly, and the right wheel hood reinforcing plate is respectively fixed to the right absorber supporting seat, the right wheel hood and the right longitudinal beam assembly; and the left end of the lower crossbeam component is fixed to the left wheel hood and the left longitudinal beam assembly, and the right end of the lower crossbeam component is fixed to the right wheel hood and the right longitudinal beam assembly. According to the vehicle body disclosed by the embodiment of the invention, a framework type structure is formed at the front part of the vehicle body through the connections of the components, so that the rigidity of the vehicle body is improved, and the bending rigidity and the torsional rigidity of the front part of the vehicle body are improved.

The invention provides a novel composite material for improving underwater antiknock performance of wading buildings. Based on high-strength reactive concrete, the novel composite material is characterized by being prepared through isometrically replacing a certain proportion of fine sand in the concrete by high-performance hollow glass microbeads in an equal volume and then carrying out mixing. According to the novel composite material, an appropriate quantity of high-performance hollow glass microbeads are mixed on the basis of high-strength reactive powder concrete, so that the obtained novel composite material has high compressive strength and strong anti-corrosion ability, and is resistant to direct impaction effects of blast loads caused by near-field underground contact and non-contact; and the high-performance hollow glass microbeads in the composite material can be used to clip and reflect shock waves, so that the novel composite material is capable of significantly improvingthe antiknock performance of the buildings, and is especially suitable for the underwater antiknock performance of the wading buildings.

The invention relates to a connecting node of a concrete filled steel tubular column and a reinforced concrete beam and a construction method of the connecting node. The connecting node is arranged at the junction of the concrete filled steel tubular column and the reinforced concrete beam; a plurality of first holes are formed in the steel tube of the concrete filled steel tubular column; reinforcing plates are arranged on the outer peripheral surface of the steel tube and correspond to the holes; second holes overlapped with the holes are formed in the reinforcing plate; a plurality of reinforced steel bars corresponding to the first holes are respectively arranged in the reinforced concrete beam; the reinforced steel bars of the reinforced concrete beam respectively penetrate through the first holes and the second holes in corresponding positions. By adopting the connecting node of the structure, as the holes in the steel tube are relatively small, the cross section of the steel tube is not greatly weakened, and seams left after the reinforced steel bars penetrate through the small holes are also relatively small, the constraining force of the steel tube to the concrete filled steel tubular column is barely reduced, the bearing capacity and the deformation property of the concrete filled steel tubular column are not affected, and the bearing capacity of the concrete filled steel tubular column is barely affected.

A furnace top feeding device of a semi-closed submerged arc furnace comprises a weighing stock bin, a finger valve, a hydraulic gate valve, a herringbone feed tube, an inclined feed tube and a feed nozzle. The weighing stock bin is fixed to a weighing stock bin floor, a lower opening of the weighing stock bin is connected with the finger valve and the hydraulic gate valve, the herringbone feed tube is fixed to a feed tube mounting floor, an upper end opening of the herringbone feed tube is connected with a discharging pipe of the hydraulic gate valve, an upper end opening of the inclined feed tube is communicated with the a lower end opening of the herringbone feed tube, a lower end opening of the inclined feed tube is communicated with the feed nozzle, a pneumatic flap valve is arranged on the inclined feed tube, and the pneumatic flap valve is in interlocking and interaction with the hydraulic gate valve. The device has the advantages that weight changes of materials can be monitored by the weighing stock bin in real time, detection is continuous, safe and reliable, the weighing precision is reliable, quantitative feeding is achieved, the inclined feed tube is sealed by the materials, the impact of the materials to the inclined feed tube is small, the service life of the inclined feed tube is prolonged, the occupied space of the pneumatic flap valve is small, and the original arrangement of the factory is not affected.

The invention relates to a fire escape device, comprising a movable window body and a main body provided with a window locker. The upper side of the movable window body is axially connected to a security window; a dropper and a waist span-type T-shaped safety belt are also arranged in the main body; U-shaped latch hooks are fixed at two sides of the dropper; two bearings are horizontally arranged in the dropper; a loose axle is arranged above the part between the two bearings; a long hand lever controls the loose axle to move up and down; a list of shafts are vertically arranged at one side of one shaft in two horizontal shafts; one end of a safety rope is fixed in the main body, and the other end thereof enters into the dropper, passes through the two horizontal shafts and then bends, extends from the dropper along a vertical shaft, and then is fixed on the dropper in a folding manner; a limited board is arranged on the upper part of the window locker; the limited board is connected with a T-shaped threaded rod and is operated by the hand lever; the limited board butts against the lower movable side of the movable window body. The fire escape device has the advantages that the escape passageway can be inaugurated rapidly, and the device corresponds with the structure of the existing window body; the operation is convenient; the safety is high.

The invention relates to an underground percolating water treatment plant, comprising a water inlet pipe, a purified water outlet pipe, an aeration bucket and a filtering jar; wherein the aeration bucket and the filtering jar are buried underground, the filtering jar comprises a pressurized water pass room, a filter material layer and a water purification room from top to bottom; a decompression plate is arranged between the pressurized water pass room and the filter material layer, the side wall is communicated with the water inlet pipe, the top is communicated with a back washing discharge pipe, the lower part of the filter material layer is provided with a bearing filter plate; the middle of the filtering jar is fixed with a charging hole flange provided with an observing window, the bottom of the filtering jar water purification room is communicated with the aeration bucket, the aeration bucket is an umbrella top, the umbrella top is connected with an air inlet pipe and a cylinder which are symmetrical, the mouth part of the cylinder is connected with an air outlet pipe, the interior of the aeration bucket is provided with an aeration tube, the upper end of the aeration tube is provided with an aeration water separator, a water purification outlet pipe penetrates the aeration bucket to be communicated with the water outlet at the lower end of the aeration tube, the aeration tube is arranged at the center of the aeration bucket, annular space thereof forms the water purification room, and the upper end of the back washing discharge pipe and the interior of the water purification room are respectively provided with a water level sensing head. The invention has low delivery lift, high flow, low comprehensive cost and wide application field and is energy-saving and efficient.

The invention discloses a fully-auto washer multimedia device. It includes washer, calotte, multimedia main engine, display, and following rotating mechanism. Its features are that signal output end of the fee collector is connected with the signal input end of the starter; its power output end is respectively connected with the power input end of the power supply circuit and multimedia main machine; program controller running ending circuit is connected with the relay of the starter; signature output end of the multimedia main machine is connected with the signature input end of the display; rotating mechanism base is connected with the calotte at the top of washer; robot eye output end is connected with the electric motor of the rotating mechanism. The invention has simple structure, is convenient for assembly and disassembly, can increase washer added value, and bring acoustic image enjoyment for the self-help cleaner.