106results about How to "Avoid water leakage hazards" patented technology

The invention relates to a method for detecting seepage passage hidden trouble of a waterproof curtain, comprising the following steps: vertically embedding a power supply electrode A in the central of a non-excavated foundation pit of a curtain, installing a power supply electrode B at the periphery of the foundation pit, wherein the power supply electrode B is driven underground; vertically drilling a probe hole outside of the curtain, placing a determination electrode M and a determination electrode N with fixed electrode distance, and connecting the determination electrodes M and N to an input of an electronic automatic compensator by lead, wherein the determination record point is the midpoint of the distance between M and N and the depth is x; determining natural potential differenceof delta V0(x) between the electrode M and the electrode N at the depth point x by the electronic automatic compensator; facilitating the reading of the determined potential difference of delta V0(x)to be zero by the natural potential compensation of the electronic automatic compensator; providing a current I to the electrodes A and B, and determining a potential difference of V1(x) at the two electrodes of M and N at the depth point x by the electronic automatic compensator and normalizing V1(x) by I; drawing the curves of delta V0(x) and V1(x) / I changed with the depth x on a depth coordinate graph; and if a plus-minus / minus-plus transition phenomenon appears on the curve of V1(x) / I, the zero value point between the plus value and the minus value corresponds to the existing position anddepth of the hidden trouble of the seepage.

The invention discloses a metal roof plate and plane tile combined roof system and a construction method thereof. The method comprises the following steps that a plurality of longitudinally and transversely staggered purlines are arranged on a roof steel structure of a building structure, and the upper surfaces of the plurality of purlines are controlled in the same plane; a bottom plate is arranged on the roof steel structure, and is fixed on a side surface support plate of the plurality of purlines; a dustproof layer, a sound absorbing layer and a steel wire net are sequentially paved on the bottom plate; an aluminum alloy support frame is arranged in a position, corresponding to the longitudinally and transversely connected position, on the steel wire net; a heat insulation layer and a waterproof ventilated membrane are sequentially laid on the steel wire net; the lower part of the aluminum alloy support frame is embedded in the heat insulation layer and is fixed with the purlines; the upper part of the aluminum alloy support frame is exposed out of the waterproof ventilated membrane; a metal roof plate is arranged on the waterproof ventilated membrane, and is fixed at the upper part, exposed out of the waterproof ventilated membrane, of the aluminum alloy support frame; a connecting device is arranged on the metal roof plate; and plane tiles of a tiled roof are arranged on the connecting device.

The invention discloses an intelligent high-voltage inverter cooling control system. The intelligent high-voltage inverter cooling control system comprises a field bus control system, and an air conditioner cooling system, an air cooling system and a circulating water cooling system which are respectively connected with the field bus control system, wherein the circulating water cooling system comprises a monitoring system (9), a valve (7), and a circulating water tank (1), a circulating water pump (2), a heat exchanger (3), a pressure reducing device (4) and a cooling tower (5) which are sequentially connected; the monitoring system (9) comprises external detection instruments and a control system; the external detection instruments are distributed at two ends of the heat exchanger (3) and the water outlet end of the cooling tower (5); and the control system comprises a dynamic hydraulic balance adjustment device (91), a temperature regulation device (92), a load tracking control device (93) and a conductivity regulation device (94). According to the independent control of the field bus control system on the air conditioner cooling system, the air cooling system and the circulating water cooling system, the cooling mode can be optimized according to actual conditions, and the system disclosed by the invention is intelligent, high-efficiency, energy-saving and stable.

The invention discloses an electric toothbrush as well as a control device and method thereof. The control device of the electric toothbrush comprises a touch sensing module and a mobile sensing module, wherein the touch sensing module is used for sensing the human body in real time and generating touch sensing information when detecting that the human body touches the touch sensing module to allow a processing module to control the electric toothbrush to start; the mobile sensing module is used for acquiring mobile information of the electric toothbrush in the space position in real time and generating mobile sensing information when detecting that the mobile information conforms to set mobile parameters to allow the processing module to control a brush head of the electric toothbrush to rotate and / or vibrate. With the adoption of the technical scheme, the problems that electric toothbrushes have potential water leakage risks and are complex and tedious to operate and toothpaste water stains splash during starting are solved, and integration, operation simplicity and intelligence of the electric toothbrush are realized.

The invention relates to a waterproof coil construction method. A base layer is cleaned, a base surface is flattened, and inside and outside corners are arranged in a circular arc shape or are 135-degree bevels; the base layer surface is flat, smooth and free of looseness and is smoothened and calendered, and residual mortar blocks or protrusions are flattened through a shovel blade; and the baselayer surface is dry, the moisture content is not higher than 9%, a coil completely covers the base layer surface, still standing is conducted for 3 hours or longer, if the surface of a covered area is free of watermarks, the moisture condensation phenomenon of the side, attached to the base layer, of the coil does not occur, and it shows that the moisture content of the base layer is lower than 9%. The method has the advantages that water leakage hidden danger caused by construction is avoided, the waterproof effect is obvious when construction is carried out according to the method in narrowspaces such as the inside and outside corners and bending corners, leakage is avoided, and the construction cost is low.

An integrated waterway module, including a waterway casing and a bottom cover sealed on the casing, the waterway casing is provided with a number of grooves leading to the waterway casing shell, and the bottom cover cooperates with the waterway casing to form a number of water flows Runner: the outlet of the flow channel leads to the upper direction. The upper part of the waterway shell is provided with a filter structure. The water inlet solenoid valve is installed in the hole of the water purification flow path of the waterway shell. The waste water ratio is installed in the hole of the waste water flow path of the waterway shell. The booster pump is installed in the hole of the flow channel to form a system that realizes a complete water purification process. The invention also discloses a water purification device, which includes the above-mentioned integrated waterway module and related electric control elements. The present invention integrates the water purification equipment system that originally needs to be arranged in a large range into an integrated module that can be arranged in a similar length and width through an ingenious meandering structural design, which not only greatly reduces the volume size, but also effectively reduces the Small size, but also easy to install, use and maintain; fewer pipe joints, but also improve reliability.

The invention provides a riser connecting member for draining at the same layer. The riser connecting member comprises a water collecting tank, a riser connecting pipe, a top cover and a water sealing device, wherein the riser connecting pipe is arranged in a manner of penetrating through the water collecting tank; the top cover is arranged at the top of the water collecting tank; the water sealing device is arranged in the water collecting tank; a water outlet is arranged on the riser connecting pipe and is positioned in the water collecting tank; a drainage inlet is arranged on the top cover; the water sealing device is arranged on the lower end face of the top cover; a water feeding port of the water sealing device is communicated with the drainage inlet; the lowest part of the draining port of the water sealing device is not lower than that of the water outlet; and the water sealing device comprises a water sealing tank, a tank body water sealing separating board arranged in the water sealing tank as well as a water feeding port and a draining port which are arranged on the tank wall of the water sealing tank. The connecting member has the advantages of reliable performance, predominant seepage preventing effect, centralized water sealing and odor return prevention.

The invention discloses a household leakage and humidity monitoring device based on a Zigbee. The household leakage and humidity monitoring device based on the Zigbee comprises wireless leakage and humidity detection devices 1 and a centralized controller device 2. The wireless leakage and humidity detection devices 1 are responsible for detecting humidity information of setting points, and each wireless leakage and humidity detection device 1 mainly comprises a hygristor detection film, a signal detection conditioning module, an MCU processor module, a Zigbee communication module and a wireless charge module. The centralized controller device 2 is responsible for collecting the humidity values of the wireless leakage and humidity detection devices 1 at collection points. The centralized controller device sends alarm information to a user and reminds the through a GSM mode if leakage occurs, the user can obtain monitoring data through a Wifi or Bluetooth communications, and the system can analyze the data of all the collection points and display leakage areas. The household leakage and humidity monitoring device based on the Zigbee is mainly applied to ground heating in modern families, By means of the household leakage and humidity monitoring device based on the Zigbee, leakage on interfaces of pipelines which are embedded in the ground and walls are monitored, leakage areas and leakage points can be detected and located effectively in time, and loss caused by pipeline break is reduced.

The invention discloses a post-cast strip device which comprises a foundation base plate. A reinforcement cage is welded inside the foundation base plate. The reinforcement cage comprises a main rib framework composed of a plurality of main ribs, and waist ribs are arranged between the main ribs of the main rib framework and comprise vertical waist ribs and longitudinal waist ribs, wherein the vertical waist ribs and the longitudinal waist ribs are connected between the main ribs. A plurality of symmetrical water stopping steel plates are further longitudinally arranged on the two sides of the reinforcement cage, and the outer surface of the reinforcement cage is further provided with a closing net. The two sides of the reinforcement cage are fixed at the position of a welding point of a lower base plate of the foundation base plate through a plurality of symmetrical fixing tie bars. The post-cast strip device has the advantages that the step of dismantling formworks and a supporting system on the two sides of a post-cast strip after the construction of the base plate is omitted, the hidden danger of water leakage of the post-cast strip is avoided, wood and revolving materials are saved, steel bar processing leftovers are fully utilized, and the steel bar waste is reduced. The hidden safety danger of operation in a narrow space by constructors is avoided, and the construction quality of the post-cast strip is enhanced.

The invention discloses a concrete joint waterproof construction technology and a construction device thereof. The concrete joint waterproof construction technology comprises four construction steps.The concrete joint waterproof construction device comprises a mobile heating module, the mobile heating module comprises an elliptic shell, two end covers, a plurality of heating plates matched with arc-shaped grooves in shape, and four driving mechanisms, and the two ends of the elliptic shell are of open structures. According to the concrete joint waterproof construction technology, the construction difficulty is low, in addition, the construction steps are simple, most importantly, constructed concrete joints are good in waterproof capacity, the waterproof capacity can be kept for a long time, and possible water leakage hidden dangers are completely eradicated. The concrete joint waterproof construction device is simple in structure and convenient to operate and control and does not need to be pushed forwards manually, the construction strength can be effectively reduced, and moreover, the construction efficiency can be effectively improved.

The invention discloses an integrated waterway board of a water purifier. The integrated waterway board comprises an integrally formed waterway board and a waterway board upper cover arranged above the waterway board. One side of the upper portion of the waterway board upper cover is provided with a plurality of water inlet solenoid valve ports, a plurality of waste water solenoid valve ports, a plurality of check valve high-voltage switch ports, a TDS port, a plurality of rear filter core ports, a first pump port and a second pump port. One side of the upper portion of the waterway board is provided with a tap water port, a living water port, a waste water port, a pressure barrel port and a pure water port. The lower portion of the waterway board is provided with a filter bottle port. The waterway board integrates a plurality of parallel water flow channels and control devices, and a waterway, a water inlet and a water outlet of the whole water purifier are controlled directly through the waterway board. The integrated waterway board can lower manufacturing cost, and a process for producing a water purification device is optimized. The use of PE pipes in a conventional water purifier for connection with a pipe is reduced, dozens of pipe connectors are reduced, and the risk of water leakage in connection of waterway units of the water purifier and potential risk are effectively avoided.

The invention provides a humidifying structure, an indoor unit and an air conditioner unit. The humidifying structure comprises a fixing plate, a cover plate, a water inlet pipe and a humidifying assembly. According to the humidifying structure, the indoor unit and the air conditioner unit, the cover plate is simply dismounted and mounted on the fixing plate during mounting and repairing, and a water inlet pipe and a water returning pipe can be dismounted and mounted after dismounting the cover plate, and thus the operation step of removing the whole humidifying structure and then replacing apipeline in a traditional dismounting and mounting process is avoided; water pipes in a machine body are kept in inclination structures, so that water cannot flow out of the machine body under the gravity effect in case of water leaking in a connector, and the arraignment of the water pipes in the unit; connecting end ports are prevented from being stressed to cause water leaking; the humidifyingassembly is arranged in the humidifying space and is capable of effectively preventing large water droplets from being directly blown out of the unit or cause potential risk of water leaking; and water from all water outlet positions of a heat exchanger and the humidifying structure can be borne, and thus the problem of water leaking of the indoor unit is avoided.

The invention provides a leakage proof mould hoisting tool at the root of a residence pipeline and a construction method thereof. The construction method comprises the following steps: two templates are fabricated, and a semi-circle matched with the pipeline in outer diameter is cut in the middle of each template; a clamping piece is arranged at the position where each template is closely pasted with the semi-circle; the two templates are arranged at the root of the pipeline in a sleeving manner, and are closely pasted at the bottom of a floor slab; the clamp force is exerted to the two clamping pieces to enable the clamping pieces to clamp the pipeline, so that the fastening mounting of the templates is achieved. Two through holes are formed in the two ends of each clamping piece, and the clamping pieces are fixed in the through holes through the penetration of split bolts, and exert the clamp force to the two clamping pieces through the matching of the fastening of nuts. The method has the advantages that the construction speed is fast, and the mounting operation is convenient and quick. A person can perform independent operation below stairs, and can complete the mounting of a set of mould hoisting tool in a few minutes. After construction, the wall and the pipeline are clean and tidy, so that a person is not required to perform cleaning in the later period. During form removal, only one person is required to perform operation below stairs, so that the construction efficiency is improved, and the cost of labor is reduced.

The invention discloses an insulation superimposed plate and a construction method. The insulation superimposed plate is characterized in that embedded nylon parts and supporting and pulling rods are arranged, the embedded nylon parts are provided with connecting rods and connecting discs, connecting grooves are formed in the end faces of the connecting discs, one end of each connecting rod is connected to the corresponding connecting disc, a threaded hole is formed in the other end of each connecting rod, the connecting rods penetrate through an extruded sheet and an adhesion agent layer and stretch out, the connecting discs are clamped on a steel wire mesh through the connecting grooves, the connecting discs and parts of the connecting rods are wrapped in a concrete layer, the supporting and pulling rods are steel ribs and are connected with the connecting rods through threads, and hooks are arranged at the other ends of the supporting and pulling rods. The construction method comprises the steps that insulation superimposed plates are spliced into a part with the size identical with beams, columns and shear force of a frame of an external wall part and are combined with formworks to form a mould, the supporting and pulling rods abut against the corresponding formworks, concrete is poured into the mould, the formworks are then demounted, and the insulation superimposed plates and the concrete form a whole. Construction is convenient and low in cost, and the potential quality hazards such as bulging, cracking, water seepage and disengagement caused by complex operation processes can be avoided to the maximum.

The invention provides a metal roof structure with a smoke exhaust function, and belongs to the technical field of roof structures. The metal roof structure with the smoke exhaust function comprises azigzag beam frame, roof structure bodies, skylights and drainage ditches, wherein the roof structure bodies are arranged at the top end of the zigzag beam frame, the skylights are arranged on the roof structure bodies, and the drainage ditches are formed in the bottom end of the zigzag beam frame and used for connecting the adjacent roof structure bodies. According to the metal roof structure with the smoke exhaust function, the skylights have the smoke exhaust and ventilation functions, so that the metal roof has good water tightness and air tightness; and through the multiple drainage ditches, the drainage performance of the roof is enhanced, so that the maintenance frequency is reduced, and then the maintenance cost is reduced. The invention further provides a metal roof board edge holding-on welding construction process.

The invention discloses a parapet wall waterproof structure, and relates to the field of buildings. According to the technical scheme, the structure is characterized by being applied to a node betweena roof boarding and a wall body and comprises a convex strip arranged on the inner side of the wall body, wherein the convex strip extends in the horizontal direction corresponding to the wall body,a waterproof coiled material is laid at the junction between the roof boarding and the wall body, the side face of the waterproof coiled material is simultaneously attached to the side face, facing the inside, of the wall body and the upper end face of the roof boarding, and the upper end face of the waterproof coiled material abuts against the lower end face of the convex strip; a sealing plate is further arranged on the upper end face of the roof boarding, the sealing plate is arranged on the upper end face of the waterproof coiled material, and the sealing plate enables the waterproof coiled material to abut against the wall body. The waterproof coiled material abuts against the lower end face of the convex strip and is attached to the upper end face of the roof boarding through the pre-arranged convex strip, so that the operation of embedding the waterproof coiled material into the wall body is changed, the operation of damaging the wall body in modes of wall body grooving and thelike is avoided, the integrity of the parapet wall body is guaranteed, and in addition, the hidden safety hazard of water leaking of a roof is effectively solved.

The invention discloses a water tank structure of an electric steam box. The water tank comprises a water tank support and a water tank matched with the water tank support in an insertion way. The water tank is characterized in that the water tank support is provided with a water inlet pipe and a water outlet pipe capable of rotating, the water inlet pipe and the water outlet pipe is rotated to obliquely protrude into the water tank from an initial position in the process of inserting the water tank into the water tank support or the status of inserting the water tank into the bottom of the water tank support under the function of a restoration piece, and the water inlet pipe and the water outlet pipe are reversely rotated and reset to be protrude into the water tank from the initial position from position when the water tank is inserted; when a complete machine stops working or needs to add water, the water inlet pipe and the water outlet pipe can be restored to the initial position, the pumping and returning of the complete machine can be realized in such a way that the rotary water inlet pipe and the water outlet pipe directly protrude into the water tank to be in contact with water, therefore the water inlet and outlet faults that the silica gel sealing structures of a traditional water tank and a water tank support water are not sealed and the sealing is likely to be aged and the hidden danger of leaking the waterway can be prevented.

The invention discloses a fastener for a scaffold wall-connecting rod and a use method thereof. The fastener comprises a semicircular tubular long buckle cover and two semicircular tubular short buckle covers located on the long buckle cover in parallel, wherein the short and long buckle covers are buckled with each other to form a cylinder space for hooping a wall-connecting rod; a lateral wall connecting sheet extends from one end of the long buckle cover on one side of the outer wall of the long buckle cover along the direction vertical to the axis; a top wall connecting sheet extends from the other end of the long buckle cover along the axial direction; bolt holes are formed in the lateral wall connecting sheet and the top wall connecting sheet. According to the fastener provided by the invention, the scaffold wall-connecting rod and the main structure can be stably connected with each other; the use safety of the scaffold can be ensured; the two mounting modes of lateral wall and top wall can be selected according to the architectural characteristics of the structures; the fastener provided by the invention almost has no influence on the later secondary structure and decoration construction, is free from repairing processes, including reserved hole treatment, is capable of effectively shortening the construction period, can eliminate the water leakage hidden danger, can be turned over and reused and is strong in practicability.

The invention discloses a composite coiled material integrating waterproofing, root-resisting and planting functions in the field of construction greening. The composite coiled material is formed by compositing flexible films, water-absorbing and water-guiding sheet materials and flexible planting bags in a factory. The composite coiled material structurally comprises an inner layer of various types of coiled materials with or without waterproofing and root-resisting functions, a middle layer of the sheet materials with water absorption, guide, discharge and storage functions, and an outer layer of a plurality of combined flexible plant bags in regular or irregular arrangement. The composite coiled material can prevent moisture and plant roots from penetrating a building and can play a role in water storage, water discharge and nourishment for plants therein, and a planting platform for construction greening is formed quickly and safely at a time after the composite coiled material is fixed to the building. The composite coiled material has the advantages that the composite coiled material is free from frameworks, fireproof, weatherproof, ultralight, ultrathin, waterproof, root-resistant, natural in scenery, falling preventive for high walls and low maintenance cost, can be directly pasted and mounted on complex walls, in arbitrary shape, with base layers being inclined surfaces, cylindrical surfaces, multiple curved surfaces and vertical surfaces and with surfaces provided with a plurality of recessions, projections or holes, can be cut and spliced into various patterns optionally, is low in cost and guarantees massive popularization.

The invention discloses a trapezoid color steel tile roof photovoltaic assembly installing structure. A trapezoid installing base is fixed to a peak of a trapezoid color steel tile roof through plate buckle type self-drilling screws, an aluminum guide rail is connected with the trapezoid installing base through fastener bolts, and a solar photovoltaic assembly is laid and fixed on the aluminum guide rail. Foam adhesive tape is arranged on the contact face of the trapezoid installing base and the trapezoid color steel tile roof, so that loosening, caused by thermal expansion and cold contraction of materials, of the plate buckle type self-drilling screws is prevented. Waterproof rubber pads are installed at the plate-shaped positions of the plate buckle type self-drilling screws, adverse influences of solar ultraviolet and environments on the waterproof rubber pads are reduced, and the service life of the rubber pad is greatly prolonged. By means of the maze type sealing design, even if the waterproof rubber pads age to a certain degree, a boss of the trapezoid installing base can effectively prevent water flow from directly entering from prefabricated holes, waterproof efficiency is improved, and the hidden hazard that the roof leaks water is reduced.

The invention discloses an assembly type prefabricated sandwich thermal-insulation outer wall vertical abutted seam waterproof structure and an implementation method, and belongs to the technical field of abutted seam waterproof treatment. The waterproof structure comprises a prefabricated outer wall board, a cast-in-place outer wall board and a reserved horizontal abutted seam; the prefabricatedouter wall board comprises a first PCF outer wall formwork and a precast concrete slab; the cast-in-place outer wall board comprises a second PCF outer wall formwork and cast-in-place concrete; the first PCF outer wall formwork and the second PCF outer wall formwork are jointed; the precast concrete slab and the cast-in-place concrete are jointed through a corrugated surface; each of the first PCFouter wall formwork and the second PCF outer wall formwork comprises a thermal-insulation layer, a backing material and a weather-resistant building sealing layer; vertical water drainage cavities are formed between the thermal-insulation layers and the backing materials; upwards-inclined water stop plates are arranged on the backing materials and are fixedly connected with the thermal-insulationlayers; water guiding pipes are arranged on the water stop plates; the horizontal abutted seam comprises a horizontal water drainage cavity; and two layers of waterproof units are arranged in the horizontal water drainage cavity from outside to inside. Multi-stage water resistance is adopted, so that the efficient waterproof effect is realized, and construction is facilitated.

The invention relates to an assembled steel structure prefabricated external wall panel prefabrication and construction method. An insulation board is prefabricated in a concrete prefabricated wall panel; an outer concrete akanthus is arranged on the outer side of the insulation board; an inner concrete akanthus is arranged on the inner side of the insulation board; a floor provided with the concrete prefabricated wall panel is paved with cement mortar, and an embedded part on the top of the concrete prefabricated wall panel and a steel beam are welded into a whole through angle iron; reinforcing steel bars on the left, the right and the top of the concrete prefabricated wall panel and reinforcing steel bars on a post-pouring area are bound, and a whole is formed after concrete is poured;and construction water prevention is carried out on joint parts of the concrete prefabricated wall panel. According to the assembled steel structure prefabricated external wall panel prefabrication and construction method, the post-pasting insulation board is prefabricated in the concrete prefabricated wall panel, the left, the right and the top of the inner akanthus of a member extend to be connected with the reinforcing steel bars, and the bottom is blocked through cement mortar; after the member is arranged and fixed, the reinforcing steel bars on the left, the right and the top of the member are bound with the reinforcing steel bars on the post-pouring area, and the whole is formed after the concrete is poured; and construction is easy and convenient, the maintaining cost is low, and the water leakage hidden danger is eradicated.

The invention provides a photovoltaic integrated roof structure and a construction method thereof. The structure comprises purlines, and a support base is arranged on the purlines; main water tanks are arranged on the support base, and transverse water tanks and standard plates are arranged between every two adjacent main water tanks; vertical cover plates for pressing and limiting the standard plates are arranged on the main water tanks, the transverse water tanks are located on the lower portion of the gap between the two standard plates, and the two ends of each transverse water tank are communicated with the main water tanks. The construction method comprises the following steps: installing the support base; mounting the main water tanks; connecting the main water tanks; mounting the transverse water tanks; installing a heat preservation and ventilation layer; and installing the standard plates. The structure has the advantages that solar photovoltaic power generation and a building are perfectly combined, and the problem that an existing distributed photovoltaic project is limited by roof bearing is avoided; only the roof is exposed outside, a good sealing environment is provided, and the service life can be prolonged to be more than 30 years; the buckle type zero-perforation connection is adopted, so the hidden danger of water leakage is avoided.

The invention relates to a caisson type toilet cement foaming backfilling integral waterproof anti-blocking structure, wherein a foaming cement concrete layer and a ceramic tile surface layer are sequentially arranged on a reinforced concrete floor, the foaming cement concrete layer is positioned between the reinforced concrete floor and the ceramic tile surface layer, and the drainage main pipe is arranged in the foaming cement layer, the ceramic tile surface and the reinforced concrete floor, and a first drainage pipe and a second drainage pipe are arranged in the foaming cement concrete layer, , and the drainage pipe below the toilet is communicated with the drainage main pipe through the first drainage pipe, and the ceramic tile surface layer is provided with a T-shaped through groove,and a groove is arranged below the T-shaped through groove, and the groove is arranged in the foaming cement concrete layer, and a drainage cover is arranged in the T-shaped through groove, and an anti-blocking channel is arranged in the groove, and the drainage cover is connected with the upper end of the anti-blocking channel and is matched with the anti-blocking channel for use, and the bottomof the groove is communicated with the second drainage pipe. The caisson type toilet cement foaming backfilling integral waterproof anti-blocking structure has better waterproof and anti-blocking effects, and is suitable for large-area production and popularization.

The invention discloses a water level judging device and a water level judging method for a washing device, relating to the technical field of washing devices. The water level judging device for the washing device comprises a floating device used for determining the water level in a water tank of the washing device, at least one detection device used for feeding back water level signals of the floating device, and a controller, wherein the floating device is mounted in the water tank, the at least one detection device is mounted outside the water tank, the at least one detection device is matched with the floating device, and the at least one detection device is electrically connected with the controller. The invention further provides a water level judging method adopting the water level judging device for the washing device. The water level judging device for the washing device provided by the invention is simple in structure, a water level switch or a water level sensor used for judging the water level is not needed, and the independent pore opening operation for the water tank is not needed, thus the potential safety hazard of water leakage can be effectively avoided, meanwhile, the manufacturing cost can be greatly reduced, and the assembling procedure is reduced.

The invention discloses a rotary valve pulser capable of sliding underground. The rotary valve pulser capable of sliding underground mainly comprises a rotary valve pulser instrument string (1), a suspension drill collar (2), a non-magnetic drill collar (3) and a drill collar tool (4), wherein the suspension drill collar (2) is connected with the non-magnetic drill collar (3); one end of the rotary valve pulser instrument string (1) is arranged in the suspension drill collar (2) and the non-magnetic drill collar (3); and the other end of the rotary valve pulser instrument string (1) is rigidlyconnected with the drill collar tool. The rotary valve pulser capable of sliding underground is simple in structure, firm and durable, and firm in connection; a power line and a communication line can simultaneously penetrate through the rotary valve pulser, so that the use of a battery is reduced, the length of the rotary valve pulser is shortened, the hidden danger of water leakage of wet jointconnection is avoided, and the hidden danger of water leakage damage of a telescopic rod is also avoided; and moreover, the production cost is reduced, and the problem that secondary positioning is needed during mounting of the rotary valve pulser is solved.

The invention discloses a horizontal floor drain. The floor drain comprises a floor drain body, rubber pads a, a rubber pad b, a funnel, a gasket, a lock nut and a filter screen, wherein the floor drain body is divided into an inner water seal cavity and an outer overflow cavity, the outer edge of a lower end opening of the lock nut is in threaded connection with the inner edge of the outer overflow cavity of the floor drain body, the rubber pads a are arranged at the top of the outer circle of the upper opening of the floor drain body and the bottom of the outer circle of the upper opening ofthe lock nut correspondingly, the gasket is arranged between the bottom of the outer circle of the upper opening of the lock nut and the corresponding rubber pad a, the funnel vertically penetrates through a center hole of the lock nut to be inserted into the inner water seal cavity, the outer circle of the top of the funnel is in lap joint with the inner circle of the middle of the lock nut, theouter circle of the top of the funnel is connected with the inner circle of the middle of the lock nut through the rubber pad b, and the filter screen is placed at the top of the funnel. According tothe horizontal floor drain, the hidden danger of water leakage caused by bonding is effectively avoided, the requirement of installation height is effectively lowered, the number of parts is reduced,the cost is reduced, and the installation space is saved.

The invention discloses a prefabricated outer wall embedded with a triangular overhanging mounting structure and manufacturing and mounting methods thereof, and belongs to the field of construction methods. According to the manufacturing method provided by the invention, the overhanging mounting structure used for connecting a triangular support frame can be directly embedded in the manufacturingprocess of the prefabricated outer wall, and the manufacturing method only needs a pre-embedding step on the basis of a traditional manufacturing method without additionally mounting equipment or changing the overall process flow, so that the manufacturing cost can be greatly saved and the efficiency can be accelerated. According to the prefabricated outer wall manufactured by the invention, underthe condition that a prefabricated wall insulation board and an outer leaf board are not damaged, the wall can meet the load bearing requirement of the triangular support, the safety of the outer wall and a scaffold is guaranteed, the heat insulation effect of a through-wall node part can be guaranteed, and the hidden danger of water leakage is avoided.