44results about How to "Avoid water leakage accidents" patented technology

The invention discloses a concrete wall and bottom plate water seepage crack repair method. The method comprises the following steps that wall and bottom plate cracks are found out and marked; the crack of which the width is larger than 0.3 mm is subjected to digging into a V-shaped groove; dust, dirt and loose parts of the surface of concrete in the V-shaped groove area are removed and washed with water; layered dense blocking and maintenance are conducted on the V-shaped groove through a waterproof leaking stoppage part, and meanwhile, a grouting nozzle is implanted; grouting holes are obliquely drilled in the two sides of the crack, and a grouting nozzle is installed; and after final set of the waterproof leaking stoppage part, the grouting holes are circularly subjected to pressure grouting; and after grout is completed solidified, the grouting nozzles are disassembled. According to the method, by obliquely drilling the grouting holes in the two sides of the crack and installing the grouting nozzle, a plurality of channels communicating with the interior of the crack are formed, the water pressure of the interior of the crack can be reduced, grout can be injected into the crackconveniently in the later period, through permeation of the grout, the water seepage crack is sealed after the grout is solidified, and accordingly, the water seepage crack leaking stoppage effect isachieved so that underground construction water seepage accidents can be avoided.

The invention discloses a liftable rotating aeration device for strengthening river sediment oxygen enrichment. The liftable rotating aeration device is characterized in that a solar photovoltaic power generation system and a storage battery form a power supply system; the power supply system can supply power to an aeration pump during daytime and nighttime; the aeration pump is connected with a rotating aeration disc; the aeration disc is of an oblate bottomless shell structure; the aeration disc and a conical body vertically arranged at the center of the circle center of the aeration disc form an integral body; a check valve is arranged inside the conical body; the rotating aeration disc is made from PTFE; the waterproofness is high and the mechanical loss is small; a rotating impeller and grids / diversion holes are further arranged inside the rotating aeration disc; the head loss is small; when the aeration pump is started, the rotating aeration disc operates, air is uniformly diffused to the sediment surface layer in a service region in a spiral manner, the sediment oxidation reduction electric potential is remarkably improved, and anaerobic odors are effectively controlled; and during the intermittent period, the aeration disc can be floated upwards to be maintained. The liftable rotating aeration device can be further combined with other ecological floating beds, the application range is wide, and the liftable rotating aeration device is utilized in a water body for a long time to guarantee self-cleaning capacity of the water body and strengthen river sediment oxygen enrichment.

The invention discloses a method and device for controlling automatic water filling of an intelligent robot cleaner. The device for controlling automatic water filling of the intelligent robot cleaner comprises a faucet and a connector device. The faucet comprises a water inlet end and a water outlet end. The water inlet end is provided with an electromagnetic valve. The electromagnetic valve is electrically connected with a controller. The water outlet end is conical. An annular groove is formed in the outer wall of the water outlet end. The connector device is arranged on the intelligent robot cleaner. The connector device comprises a seal ring, a base plate, springs and locking self-centering pins. The base plate is a circular-ring-shaped box with an upper cover. At least two installation openings are evenly formed in the inner annular wall of the base plate. Each installation opening is provided with a locking self-centering pin, and the springs are arranged between the locking self-centering pins and the outer ring wall of the base plate. The seal ring is arranged at the bottom of the base plate. The annular groove of the faucet is connected with the locking self-centering pins of the connector device in a clamped mode. According to the device for controlling automatic water filling of the intelligent robot cleaner, the principle is simple, the structure is simple, a specific technology is not needed during production and installation, and the device is easy to obtain and can be installed on most of novel intelligent robot cleaners needing automatic water filling.

The invention discloses a shield tunnel back-filled grouting auxiliary mechanism and a grouting method. A slurry inlet and a first slurry exit, communicating with a cavity, are arranged in the back end and the circumferential wall of an inner rod. A second slurry exit corresponding to the first slurry exit is arranged in a sleeve which is in screwed connection with the inner rod. An anchoring piece arranged in front of the sleeve is installed on the part, inserted into a surrounding rock layer, of the inner rod. On one hand, the slurry radially flows out through the first slurry exit and the second slurry exit, so the reactive force on the outer wall of a pipe sheet imposed by the slurry can be greatly reduced, and the floating and deformation possibility of the pipe sheet during back-filled grouting processes is reduced. On the other hand, after the anchoring piece is radially unfolded and clamped into the surrounding rock layer, end resistance can be provided for corresponding pipe sheets, and a second external thread contacts with the surrounding rock layer to provide frictional counterforce, so floating force borne by the pipe sheets can be further reduced. In addition, grouting holes are enclosed by a sealing fixing structure and the slurry flows into gaps between the sleeve and the grouting holes through the first slurry exit and the second slurry exit, so after the slurry is solidified, the slurry holes can be completely sealed.

The invention discloses an energy-saving air conditioning device, which comprises an indoor unit and an outdoor unit which are connected through a pipeline, wherein the indoor unit comprises at least one cooling back plate arranged at an air outlet side of a server rack, the outdoor unit consists of an air cooling heat exchanger and a chilled water heat exchanger which are connected in parallel, and air inlet ends of the air cooling heat exchanger and the chilled water heat exchanger are respectively provided with a solenoid valve. In the device, refrigerants and a thermosyphon principle are used so as to provide cooling for the server rack nearby, the heat dissipation problem of the server rack is solved, a natural cold source or a cold water machine set can be selected to use according to changes of weather, the energy consumption is greatly saved, and the operation cost is reduced.

The invention relates to a single crystal furnace with multiple safety protection. The single crystal furnace comprises a lower furnace chamber, a furnace cover, an isolating valve, an auxiliary chamber, an upper transmission mechanism, a water-cooled hot screen installed in the lower furnace chamber, a flow guide cylinder, a flow guide cylinder lifting device, a quartz crucible and a lower transmission mechanism, and further comprises a contact liquid contact system, a weighing system, a CCD monitoring system, and an isolating valve safety monitoring system. The contact liquid contact systemis capable of detecting abnormal operation of an excessive high silicon liquid level and warning. The crucible is automatically descended by the system in a high speed, and the water-cooled hot screenis lifted at the same time, so that a water leakage accident is avoided. The weighing system is capable of uploading and detecting a weight of a pulled silicon rod in real time in a crystal pulling process, when the weight of the silicon rod is suddenly increased or suddenly decreased in an instant moment, the system stops operating, and an alarm is sent. The CCD monitoring system is capable of monitoring abnormal change of a liquid level position in the quartz crucible and warning. The isolating valve safety monitoring system is capable of monitoring a position of the crystal rod, and improving opening-closing safety protection of a valve plate.

The invention relates to a magnetic rotating arc plasma generator, and belongs to the technical field of plasma generators. The magnetic rotating arc plasma generator comprises a cathode, a magnetic rotating arc anode, a rotational flow ring and an anode water channel, and is characterized in that the cathode and the magnetic rotating arc anode are arranged in a coaxial manner; the magnetic rotating arc anode comprises an arc starting anode, a transition anode and a main anode, the transition anode comprises a conducting section and an insulating section, and the main anode comprises an electromagnetic coil and a main anode body. The magnetic rotating arc anode is in the shape of a special-shaped circular tube on the whole, one end of the magnetic rotating arc anode is in the shape of a bell mouth, and the middle of the magnetic rotating arc anode is provided with a through hole. The air flow generates a rotational flow through the rotational flow ring, the electromagnetic coil generates an electromagnetic field, the rotational flow and the electromagnetic field compress the arc together and drive the arc to rotate, thereby enabling the root of the arc to rotate with a high speed on the main anode. The magnetic rotating arc plasma generator has the advantages of high arc voltage, low operating current, high electric-thermal conversion efficiency, small electrode ablation amount, small fluctuation range of arc voltage, wide power adjustment range, low operation cost, good disassembly and assembly characteristic, high practicability and the like.

The invention provides a water purifier capable of preventing water seepage and a control method thereof. The water purifier capable of preventing water seepage is provided with a filtration system, a water inlet valve, a drainpipe, a waste water valve, a water outlet pipe and a water outlet valve, wherein a water inlet of the filtration system is hermetically communicated with a water inlet pipe; the water inlet valve is arranged on a water inlet pipeline of the filtration system; the water outlet pipe is hermetically communicated with a waste water outlet of the filtration system; the waste water valve is arrange on the drainpipe; the water outlet pipe is hermetically communicated with a purified water outlet of the filtration system; the water outlet valve is arranged on the water outlet pipe; and the water outlet valve is a normally-open valve, is totally opened when power is not supplied and only has one small hole to allow water to pass through when power is supplied. The control method comprises the following steps: during preparation of water, controlling opening of the water inlet valve and closing of the waste water valve when power is supplied; during flushing, controlling opening of the water inlet valve when power is supplied and opening of the waste water valve when power is not supplied; and when the water purifier is in a standby state after completion of water production, controlling closing of the water inlet valve when power is not supplied and opening of the waste water valve when power is supplied. The water purifier can prevent water leakage accidents.

The invention discloses an automatic locking cup. The automatic locking cup comprises a flip lid, a lid body, a cup body, a first pin shaft, a second pin shaft, a window, a button, a first spring, a second spring, a locking block, sliding ways, an inward-extending clamping hook and an outward-extending clamping hook. The outer side face of the button abuts against the inner side face of the locking block; sliding columns cooperate with the sliding ways on the corresponding sides. When the flip lid and the lid body are closed, the outwards-extending clamping hook and the inwards-extending clamping hook are buckled, the locking block is located at the lowest position, and the sliding columns are located in the corresponding sliding ways in the state. When the locking block is pushed upwardsto the highest position, the two upper sliding columns of the locking block are separated from the respective sliding ways and located above the short vertical ribs, and the two lower sliding columnsof the locking block are still located in the respective sliding ways. According to the invention, manual locking is not needed and the locking mechanism can be automatically locked; even if the button is abnormally touched, the cup lid cannot be opened, and the accident of water leakage of the cup due to the fact that people forget to lock the cup is thoroughly avoided.

The invention relates to detectors used when ferry glass reinforced plastic boats are manufactured, in particular to a ferry glass reinforced plastic boat lateral thrust leak tightness detector. The ferry glass reinforced plastic boat lateral thrust leak tightness detector is characterized in that a detecting cover is arranged, a pressurization pipe is connected on the detecting cover, and the other end of the pressurization pipe is connected with a pressurization detector. When the ferry glass reinforced plastic boat lateral thrust leak tightness detector is used, one end of a cylindrical flow channel of a traverse body is sealed while the other end of the cylindrical flow channel of the traverse body is hermetically connected with the detecting cover, the pressurization detector is used for pressurizing into the cylindrical flow channel, whether pressure (height of a water column in the pressurization pipe) of the pressurization detector is decreased or not is observed within a period of time after pressurization is stopped, if yes, the result accounts for poor leak tightness between a lateral thruster and a cabin, and maintenance is carried out after leak points are found. Whether leak tightness between the lateral thruster and the cabin is good or not can be detected and maintained when the boats are manufactured, and accordingly the ferry glass reinforced plastic boat lateral thrust leak tightness detector is simple, laborsaving and timesaving to operate. When slight leak exists between the lateral thruster and the cabin, the slight leak can be displayed on the pressurization detector, and large-area water leak accidents caused by the undiscovered slight leak after the boats are put into use are avoided.

The invention provides a construction method of interlocking piles. The construction method comprises the following steps that firstly, plain piles are cast on a construction site; secondly, interlocking grooves are cut in the plain piles, then reinforced piles which are in interlocking with the plain piles are cast, interlocking parts are formed on the portions, corresponding to the interlocking grooves, of the reinforced piles; and waterstop ducts are reserved in the interlocking parts; and thirdly, after a main body of the whole interlocking pile is initially set, the waterstop ducts are filled with waterstop filler. According to the construction method of the interlocking piles, when the plain piles adjacent to the reinforced piles are cut during drilling for the reinforced piles, the mechanical disturbance to the plain piles can be reduced, and the probability that the plain piles are cracked is decreased. Furthermore, the interlocking parts can be reinforced, the quality of the interlocking parts is improved, and water seepage and leakage accidents are prevented.

The invention discloses an anti-drawing flexible pipe connector. The connector comprises an insertion head and a socket head which are matched; the insertion head comprises a boss platform, a supporting boss and an insertion head connecting pipe connecting end connected with a pipe, and the boss platform, the supporting boss and the insertion head connecting pipe connecting end are sequentially connected from a port inwards; the socket head comprises an inner port, a conical slope with the inner diameter gradually decreased, a sealing inner hole and a socket head connecting pipe connecting end connected with the pipe, and the inner port, the conical slope, the sealing inner hole and the socket head connecting pipe connecting end are sequentially connected from a port inwards; and the anti-drawing flexible pipe connector further comprises a clamping ring which is arranged between the inner port and the supporting boss to enable the insertion head and the socket head to generate a swing angle. By means of the anti-drawing flexible pipe connector, pull separation of the insertion head and the socket head can be effectively prevented, water leakage accidents caused by axial displacement of the flexible connector pipe are avoided, strengthening pile beating needed during corner, plug or open installation of the flexible connector pipe is avoided, and the using safety and reliability of the flexible connector pipe are effectively improved.

The invention discloses a method used for underground construction side wall and bottom plate water seepage treatment. The method includes the following steps that side wall and bottom plate cracks are subjected to leakage blocking, and then thorough cleaning is conducted; a water conveying plate is comprehensively laid on a cleaned side wall and a cleaned bottom plate, and the water conveying plate communicates with a draining system of the underground construction; and a concrete layer is poured on the laid water conveying plate in a covering manner. By means of the method, leakage blockingis firstly conducted on water leakage positions of the cracks on the side wall and the bottom plate firstly, and the water discharging amount of the cracks can be greatly reduced; the water conveyingplate is arranged on the side wall and the bottom plate so that seeping water between the water conveying plate and the side wall and between the water conveying plate and the bottom plate can be discharged through the draining system of the underground construction; the concrete protection layer is poured on the water conveying plate in the covering manner, and the water conveying plate is prevented from being damaged in the use process; and by means of the method, the side wall and bottom plate water seepage problem is dealt with in a blocking and conveying draining combined manner, and therefore water seepage parts can be isolated, and water leaking accidents are prevented from happening to the underground construction.

The invention discloses a solar water heater with the sterilization function, and relates to the technical field of solar energy application. The solar water heater with the sterilization function comprises heat collection pipes, a water storage tank and a high-performance magnalium support. A heater-preservation layer and a heater-preservation shell are arranged on the water storage tank, a water outlet is formed in the bottom of the water storage tank, and the top of the water storage tank is provided with an anti-explosion valve and an air hole. The heat collection pipes comprise vacuum outer pipe bodies, wherein each vacuum outer pipe body is composed of coaxial glass pipes arranged on two layers, and an interlayer of each vacuum outer pipe body is vacuum; the upper end of each vacuum outer pipe body is provided with a water inlet, and an inner cavity of each vacuum outer pipe body is plated with a TiO2 nanometer coating; each heat collection pipe further comprises an inner pipe body, the lower end of each inner pipe body extends into the inner cavity of the corresponding vacuum outer pipe body, and the upper end of each inner pipe body is communicated with the water storage tank. The TiO2 nanometer coatings are excited by ultraviolet light in sunshine, strong-oxidizing free radical groups are generated on the surfaces of the TiO2 nanometer coatings, oxidative decomposition is conducted on various organic pollutants in water through the strong-oxidizing free radical groups, and bacteria and viruses in the water are killed; sterilized cold water is heated through the inner pipe bodies of the heat collection pipes to form hot water, and the hot water enters the water storage tank to be stored and used. According to the solar water heater with the sterilization function, solar energy is directly utilized, and both the purpose of sterilization and disinfection and the purpose of obtaining the hot water are achieved.

A heating furnace bottom vaporization cooling pipeline lower support device comprises a fixing base and an adjusting assembly. A spring is arranged in the fixing base, one end of the spring abuts against the bottom wall of an assembling groove, and the other end of the spring is provided with a check ring sleeve. The adjusting assembly comprises an adjusting screw, one end of the adjusting screw is adjustably connected with the top face of the check ring sleeve, a bracket is arranged at the other end of the adjusting screw, the upper side face of the bracket is a bearing face used for making contact with a pipeline, the bearing face is of a V-shaped face structure, and the bracket is of a hollow structure. The heating furnace bottom vaporization cooling pipeline lower support device has the beneficial effects that the structure is simple, and usage is convenient; the heating furnace bottom vaporization cooling pipeline lower support device can solve the problem that when a pipeline expands due to heat and shrinks due to cold and inner stress is generated, a pipeline support structure is likely to cause pipeline stress accumulation, and structure damage (fatigue crack) is likely tohappen; due to usage of the heating furnace bottom vaporization cooling pipeline lower support device, the water leakage accident can be effectively prevented; the heating furnace bottom vaporizationcooling pipeline lower support device has the functions of heat isolation, buffering and vibration absorbing; and a V-shaped structure is adopted on the top face of the bracket, pipeline positioning is accurate, and the pipeline arrangement stability degree can be improved.

The invention discloses a radiator cooling water path for a converter valve cooling system, which comprises a radiator pipeline, and further comprises a confluence metal water inlet pipe, a confluencemetal water outlet pipe and a radiator pipeline metal joint, and is characterized in that one end of the radiator pipeline is communicated with the confluence metal water inlet pipe through the radiator pipeline metal joint, and the other end of the radiator pipeline is communicated with the confluence metal water outlet pipe through the radiator pipeline metal joint; and the radiator pipeline metal joint is used for balancing the voltage at the two ends of the radiator pipeline. According to the invention, corrosion to the radiator can be avoided, and a voltage-sharing electrode does not need to be replaced.

The invention relates to an electric glass kettle. The electric glass kettle comprises a kettle body, a lower kettle ring and a heating disc arranged at a lower port of the kettle body, the lower end of the kettle body is necked down, and a lower annular groove is formed at the lower port. The electric glass kettle further comprises a lower sealing assembly, wherein the lower sealing assembly comprises a lower fixing ring and a lower sealing ring, the inner ring surface of the lower fixing ring respectively and inwards extends to form a connecting body and a supporting body, the connecting body is clamped into the lower annular groove and locks the lower port, and the supporting body is used for supporting the heating disc. When the connecting body is clamped into the lower annular groove, the supporting body abuts against the bottom of the heating disc to support the heating disc. The lower sealing ring is clamped on the edge of the lower port, the supporting body and the peripheral surface of the heating disc. Compared with the prior art, the heating disc of the electric glass kettle can be firmly installed and is convenient to assemble, meanwhile the lower port of the kettle body can form effective sealing, and a water leakage accident can be effectively avoided.

The invention discloses a high-safety floor heating system. The high-safety floor heating system comprises a hot water coil pipe, a control device and a temperature control probe, wherein the hot water coil pipe is laid on the ground; the control device comprises a control circuit; the temperature control probe is electrically connected with the control circuit; one end of the hot water coil pipeis a water inlet; the other end of the hot water coil pipe is a water returning opening; a heating cable is arranged inside the hot water coil pipe in a penetrating manner; the two ends of the heatingcable are electrically connected with the control circuit after correspondingly penetrating out of the water inlet and the water returning opening; the control device comprises a water pump; and thewater pump is correspondingly connected with the water inlet and the water returning opening via connecting pipelines. The high-safety floor heating system disclosed by the invention can realize the uniformity of temperature increment of an overall room and effectively eliminates potential safety hazards caused by over-high temperature increment.

The invention relates to the field of household appliances, and discloses a control device for drinking water and a water dispenser, the device comprises an ultrasonic detection device configured to detect that an object enters a water outlet area of the water dispenser and receive a detection signal in response to the object entering the water outlet area; a weight detection device configured to detect a weight of the object; and a processor configured to acquire a detection signal, determine that the object is a water receiving container according to the detection signal; determine that the object is a water receiving container according to the weight; and control the water dispenser to discharge water. The water leakage accidents or personal potential safety hazards caused by mistaken water discharge of the water dispenser are prevented, and the recognition accuracy and the use experience of the water dispenser for the water container are improved.

The invention discloses a shock-proof connecting pipe of a dish washing machine. The shock-proof connecting pipe of the dish washing machine comprises a partial pressure clamping piece, a shock absorption layer, a shrinking ring layer, a fixed ring layer and a locked ring layer; a connecting pipe adopts a long strip-shaped structure; the partial pressure clamping piece is arranged on the surface of a joint of the connecting pipe; the partial pressure clamping piece is an embedded irregular groove; connecting ports with fixed connection effect are formed at the two ends of the connecting pipe;elastic transition hose connection is arranged at the position of the middle section, which mainly bears shock, of the connecting pipe; and the fixed ring layer is in sleeving connection with a transition hose to perform fixation, so that the influence on the connecting pipe by the shock generated by the dish washing machine under the working state can be effective counteracted, the service life of the connecting pipe can be effectively prolonged, peculiar smell generated in the long-time use process of the connecting pipe can be closed, connecting pipe blockage and water leakage accidents areavoided, and the shock-proof connecting pipe of the dish washing machine is widely suitable for the production processing industry of the dish washing machine.

The invention relates to an electro-slag re-melting water-cooling cable, comprising a cable head, a lead wire and an outer jacket. The electro-slag re-melting water-cooling cable is characterized in that: an asbestos layer is also arranged outside the outer jacket. The electro-slag re-melting water-cooling cable disclosed by the invention has the advantages that: the asbestos layer is also arranged outside the outer jacket of the water-cooling cable, the effects of insulating heat and preventing damages can be achieved. Particularly, heat scanning radiation in a crystallizer is resisted, so that the water leakage accidents caused by the damage of the water-cooling cable are avoided.

The invention discloses an intelligent digital display bouncing straw cup which comprises a bouncing assembly, a power module, an intelligent monitoring assembly and a display assembly. The intelligent monitoring assembly and the display assembly are in circuit connection and are powered by the power supply module; a lower cover is arranged above the inner cover, the upper cover is hinged to one side of the lower cover, and the bouncing assembly is arranged on the other side of the lower cover; the intelligent monitoring assembly comprises a Hall flow sensor, a Hall sensor, a temperature sensor, a master control PCB and a power module which are all arranged in a cavity formed between the lower cover and the inner cover; the Hall flow sensor, the Hall sensor and the temperature sensor are all in circuit connection with the main control PCB; the bouncing assembly comprises a knob support arranged at the front end of the lower cover, a hollow annular knob and a torsional spring providing a restoring force for the knob; the knob is rotatably and movably clamped on the knob support, and the knob is provided with a lock hook matched with the clamping hook of the upper cover; when the knob rotates, the clamping hook is separated from the lock hook, and the upper cover bounces off and resets under the action of the torsion spring after the knob is loosened; and the display assembly is fixed in the knob support.

The invention provides a loose joint device for a valve and a pipe fitting, and relates to the technical field of loose joint structures. The loose joint device for the valve and the pipe fitting comprises a loose joint part and a valve body connector, wherein the loose joint part comprises a pipe body; any end of the pipe body is detachably connected with the valve body connector; the other end of the pipe body is provided with a connecting port; a connecting pipe matched with the connecting port is arranged in the connecting port in a penetrating manner; a sealing part is arranged on the side wall, opposite to the connecting port, of the connecting pipe; and a locking piece for locking the connecting pipe on the pipe body is arranged on the pipe body. According to the loose joint device for the valve and the pipe fitting provided by the invention, the pipe body can be connected with any one of the pipeline or the valve body connector firstly, then the connecting pipe penetrating through the connecting port is connected with the valve body connector or the pipeline, the connecting pipe and the valve body connector can rotate relatively at the moment, and after the pipeline and the valve body connector are connected with the loose joint part respectively, the connecting pipe is fixed onto the pipe body through the locking piece arranged on the pipe body, so that the connecting pipe and the pipe body are prevented from rotating.

The invention provides a heating furnace supporting beam and heat-resistant bearer fixing structure, which comprises a horizontal supporting beam, a base plate and a heat-resistant bearer, wherein a cooling channel is formed inside the horizontal supporting beam; the base plate is provided with radian matched with the horizontal supporting beam and is arranged on the horizontal supporting beam along the length direction of the horizontal supporting beam; discontinuous welded and fixed connection is formed between the base plate and the horizontal supporting beam; and the heat-resistant beareris fixed on the base plate. The structure effectively overcomes the defects in the prior art, and the horizontal supporting beam cannot be cracked due to different thermal expansions of the heated heat-resistant bearer and the horizontal supporting beam. The structure is simple in structure, and can effectively avoid a water leakage accident that the horizontal supporting beam is cracked due to different thermal expansion coefficients of the heat-resistant bearer and the horizontal supporting beam; the service life of the equipment is prolonged, the blowout maintenance times of the heating furnace is reduced, and the production efficiency is improved.

The invention provides a self-seal heat-preservation-layer-free outer side cavity structure for a water pan and an air conditioner with the self-seal heat-preservation-layer-free outer side cavity structure. The self-seal heat-preservation-layer-free outer side cavity structure for the water pan comprises a matched indoor unit shell and a water pan for bearing condensate water on an evaporator. Acavity seal structure is arranged between the surface of the matched indoor unit shell and the outer side surface of the water pan. The air conditioner comprises an indoor unit, an indoor evaporator component and an indoor unit cross-flow fan are arranged in the indoor unit, and the self-seal heat-preservation-layer-free outer side cavity structure for the water pan is arranged in the indoor unitshell. The self-seal heat-preservation-layer-free outer side cavity structure replaces the heat preservation function of original foam and sponge, the work of sponge or foam part pasting during air conditioner indoor unit water pan production is eliminated, and the assembling burden of operators is relieved.

The invention discloses a reinforcement device and a reinforcement method for the joint of an antibacterial water pipe, comprising an antibacterial water pipe and a reinforcement device, the reinforcement device comprising an upper arc-shaped plate and a lower arc-shaped plate that cooperate with each other, and the materials of the two arc-shaped plates are Same as the antibacterial water pipe, both ends of the two arc-shaped plates are integrally connected with fastening plates, and the bottom surfaces of the two arc-shaped plates are attached and fixed with matching silicone heating sheets, and the two ends of the silicone heating sheets extend To the end face of the fastening plate, several threaded rods are distributed in a matrix on both sides of the width range of 5-10mm in the middle of the silicone heating sheet. One end of the several threaded rods passes through the silicone heating sheet and extends vertically to the inside of the arc-shaped plate, and the exposed length of the other end is antibacterial water. One-third of the pipe wall thickness, several threaded rods are threaded with nuts that fit with the silicone heating sheet, and several threaded rods are located in the arc surface of the arc-shaped plate, and the silicone heating sheet is provided with a wire. Effectively enhance the tensile and shear strength of the joints of antibacterial water pipes and reduce the occurrence of cracks.

The invention relates to the field of intersecting reliability fixation of a connecting passageway of a main tunnel and a service tunnel in underground important infrastructure projects and projects such as various tunnels and city underground pipe galleries, in particular to a modified structure of a tunnel transverse way thee-joint joint pipe composite member. The tunnel transverse way thee-joint joint pipe composite member comprises a full-ball iron wall plate or a ball iron-concrete composite wall board (pipe piece), a thee-joint joint pipe, a positioning shearing-resistance sleeve, a plastic sealing ring, an oval service transverse way and the like. All the members are connected and installed to form the large tunnel transverse way thee-joint joint pipe composite member and the transverse way modified structure. The modified structure of the tunnel transverse way thee-joint joint pipe composite member is mainly suitable for reliability fixation of thee-joint joint pipes connected and communicated between various tunnels (particularly subsea tunnels) and service tunnels and thee-joint joint pipes on the joint portions of spare maintaining and emergency passageways of land high-speed railway tunnels, and the strength and tightness of connecting structures on the joints of the main tunnels and the service tunnels can be effectively improved.