44results about How to "Stable connection strength" patented technology

Disclosed is an optical connector apparatus comprising a connector which is connected to an opto-electrical composite cable including an optical fiber strand and a metal conductor, and an object to be connected. The connector is provided with a ferrule which has a conductor portion on at least a part of the surface thereof. The object to be connected is provided with an electrically conductive connector member to be connected to the ferrule. The ferrule and the cable are connected by a caulking structure. When the ferrule is inserted in the connector member, the connector and the object to be connected are electrically and optically connected to each other. Provided is also an optical connector apparatus which comprises a connector having a plurality of ferrules having different distances between the ends of the ferrules and the conductor portion, so that the time at which the connection of the connector to the object to be connected is established differs, and thus the optical connector apparatus is capable of hot swapping. The object to be connected can be a combination of an adapter and a mating connector, or an optical element and an adapter which holds the same, etc.

The invention discloses a testing device for simulating a warp self-weight settlement consolidation process by a settlement column indoors, comprising an organic glass tube settlement column, a slurry stirrer, a soil sample geotome and the like. The body of the settlement column is connected with a base; a paper ruler is adhered outside the tube wall of the column body; slurry suspension is injected behind the body of the organic glass tube settlement column, the slurry suspension is stirred and mixed uniformly up and down by inserting the stirrer; the opening of the column body is sealed by a rubber band after the opening of the column body is sealed by a seal membrane; the settling height of the suspension level along with time is recorded by observing the paper ruler outside the tube wall so as to study the free settling law of the warp slurry under self-weight action; and after the warp self-weight settlement consolidation process is completed, soil is taken by the geotome layer by layer, the void ratio e of soil layers with different depths is detected, the warp self-weight consolidation law is studied, and the soil body consolidation coefficient cv is calculated. The testing device has the characteristics of small floor area, convenient operation, accurate and reliable data observation, less moisture loss, small soil sample disturbance and the like, and can be applied to early test study of river channel training, harbor desilting, backfill land reclamation and other engineering.

A chip-component-mounted device comprises a print wiring board or lead frame, an electrically conductive adhesive and a chip component, said chip component being mounted on said print wiring board or lead frame through said electrically conductive adhesive, said chip component having a corner part, a ridgeline of said corner part facing a connected part side of said print wiring board or lead frame, an angle made by a face adjacent to said ridgeline and a face of said connected part being acute.

The invention relates to a connecting method used for enabling multiple metal core wires arranged side by side to be connected in an integrated manner, which comprises the steps of placing predetermined parts of the metal core wires on a lower engaging module, positioning the metal core wires by using a positioning mechanism, placing a reinforcement material made of metal on the metal core wires located on the lower engaging module, enabling an upper engaging module arranged corresponding to the lower engaging module to drop until being contacted with the reinforcement material, carrying out ultrasonic welding or resistance welding on the metal core wires and the reinforcement material by using the upper engaging module and the lower engaging module so as to enable the metal core wires atthe predetermined parts to be integrally connected with the reinforcement material. According to the method, stable connection strength can be obtained and the single metal core wire is prevented frombreaking in the process of connecting the metal core wires of the flat cable in an integrated manner.

The invention relates to a floor deck, in particular to a detachable bottom mold reinforced truss floor deck and an assembly method thereof, belonging to the field of steel structures. Including the bottom formwork, the bottom formwork is provided with more than one set of steel bar truss assemblies, the steel bar truss assemblies include lower chord reinforcement bars and upper chord reinforcement bars, and the lower chord reinforcement bars are positioned by positioning blocks fixed on the bottom formwork, the An upper chord reinforcing bar is provided in the middle above the lower chord reinforcing bar, and a web reinforcing bar is arranged between the upper chord reinforcing bar and the lower chord reinforcing bar. A detachable base form steel bar truss floor deck and an assembly method thereof are compact in structure, simple in manufacture, excellent in use performance, and convenient in assembly and disassembly.

The invention discloses a connecting structure of a prefabricated reinforced concrete composite beam. The connecting structure comprises steel beams (1) and concrete prefabricated slabs (2); the concrete prefabricated slabs (2) are poured on the steel beams (1), the upper sides of the steel beams (1) are fixedly provided with shearing studs (3), the connecting ends of the concrete prefabricated slabs (2) are provided with connecting surfaces with slope-shaped surfaces, and the connecting surfaces are provided with grooves (5); and the connecting ends of the steel beams (1) are connected with each other, the connecting ends of the concrete prefabricated slabs (2) are connected with each other through concrete wet joints (6), and the concrete wet joints (6) are located on the upper sides ofthe connecting ends of the steel beams (1) so as to cover the connecting surfaces and the shear studs (3). The invention further discloses a construction method of the connecting structure of the prefabricated reinforced concrete composite beam. The connecting structure of the prefabricated reinforced concrete composite beam and the construction method thereof have the advantages of high connection strength, stable and reliable connection, convenient construction and the like.

The invention discloses a combined connection module of a fabricated building and a combined plate body structure of the combined connection module. The combined connection module comprises module plates. The module plates are spliced to form a plate surface. The combine connection module further comprises connecting pieces for connecting the module plates and making the module plates form the plate surface. The module plates are internally provided with connecting pieces connected with and tensioning the adjacent module plates. The connecting pieces are arranged in connecting holes formed inthe module plates. The combined connection module is of a plate structure for an assembly type building and used as the most basic unit of the building, and the prefabricated plate structure and a connecting mechanism usually used in the assembly type building are assembled on a site; and compared with an existing pouring forming mode of the fixed structure, by the adoption of the combined connection module and the combined plate body structure, the assembling efficiency can be improved, the construction progress can be accelerated, the construction progress can be adjusted according to actualrequirements, and various building structures in different forms can be formed.

The present invention provides a chip component package and a semiconductor device capable of suppressing short circuits with adjacent pads or components even if the amount of the conductive adhesive is increased to increase the contact area between the chip component and the conductive adhesive. . A chip component mounting body in which a chip component (2) is mounted on a printed wiring board (1) through a conductive adhesive (3), is characterized in that the chip component has a corner (2b), and the corner The ridgeline of the part is arranged toward the pad part (1a) side of the printed wiring board, and the angle (α) formed by the surface adjacent to the ridgeline of the corner part of the chip component and the surface of the pad part becomes an acute angle. is carried.

The invention provides a cable clamp bolt for a suspension bridge and a surface treatment method of the cable clamp bolt for the suspension bridge, wherein a corrosion resistant layer is arranged on the surface of the bolt; the corrosion resistant layer is a Teflon permeation layer with a depth of 10-20 microns. The surface treatment method of the cable clamp bolt for the suspension bridge sequentially comprises the following steps of manufacturing the cable clamp bolt, checking the size and performance of the bolt successfully, cleaning the surface of the bolt, spraying paint on the surface of the bolt, curing and sintering a coating, and cooling and post-processing the bolt. According to the cable clamp bolt for the suspension bridge and the surface treatment method of the cable clamp bolt for the suspension bridge, a layer of thinner Teflon coating is arranged on the surface of the cable clamp bolt for the suspension bridge, so that the precision of a thread pair cannot be influenced; the bolt painted with the Teflon coating has the advantages of excellent corrosion resistance, wear resistance and a lower stable coefficient of friction resistance, and cannot be corroded for 1000 hours in a salt fog resistance test. The cable clamp bolt for the suspension bridge and the surface treatment method of the cable clamp bolt for the suspension bridge have the advantages of simple structure, convenience in manufacture, stability, reliability and strong structural safety, and the climate adaptability of the cable clamp bolt is improved.

The invention relates to the technical field of building construction, and discloses a self-locking structure column base system and a construction method thereof. The self-locking structure column base system comprises a column base bottom plate, a steel column inserted into the column base bottom plate and a mortise and tenon component used for connecting the column base bottom plate and the steel column; the tenon and mortise component comprises a tenon and a mortise which are connected in a clamped mode, the tenon is arranged at the lower end of the steel column and comprises a web, flange plates arranged on the two sides of the web and tenon plates arranged between the flange plates and on the side face of the web, each tenon plate comprises a horizontal limiting part and a positioning protrusion part which are arranged up and down, the two side faces of the positioning protrusion incline oppositely from top to bottom, the mortise comprises two C-shaped steel structures which are symmetrically arranged back to back, a gap is reserved between the two C-shaped steel structures, inclined tenon grooves are formed in the gap and the inner sides of the C-shaped steel structures, each inclined tenon groove comprises a horizontal positioning part and a positioning sunken part which are adjacently arranged, the two side faces of each positioning sunken part incline oppositely from top to bottom, and the horizontal limiting part and the positioning protrusion part are correspondingly attached to the horizontal positioning part and the positioning sunken part respectively.

The invention discloses a sliding block type concave mould friction non-riveting connection method of a lightweight plate. The sliding block type concave mould friction non-riveting connection methodcomprises the steps that a to-be-riveted part is subjected to partial frictional heating through the rotation of a friction head and an upper punch; then the friction head stops rotating and applies blank holding force to the to-be-riveted part, a pressing head enables the upper punch to move downwards under the action of a punching power source, metal of an upper plate and metal of a lower plateflow into a mould cavity of a lower mould, sectioning sliding blocks of the lower mould are forced to flow and expand in the radial directions, the metal of the upper plate and the metal of the lowerplate continue to flow to gaps between the sectioning sliding blocks and gaps between the lower punch and the sectioning sliding blocks till the mould cavity of the lower mould is filled, and an S-shaped mechanical lock is formed between the upper plate and the lower plate; and after the preset base thickness value or pressure is reached, the pressing head and the upper punch move upwards to initial positions, and thus the connection process is finished. A flawless riveting joint can be obtained, required riveting acting force is lowered, the riveting defects are reduced, the strength of the riveting joint is improved, and the sliding block type concave mould friction non-riveting connection method is high in efficiency, easy and simple to implement and low in energy consumption.

The invention discloses a rigid splicing structure, an assembly-type wall and a manufacturing and mounting method. The rigid splicing structure comprises two spliced wall units, a recessed end and a protruding end, a first keel is arranged at the recessed end, an opening is formed in one end of the first keel and faces the protruding end, the protruding end comprises a second keel, the second keelprotrudes from the end surface of the corresponding wall unit, and the second keel is inserted into the first keel from an opening and penetrates through a wall panel through a screw to fix the second keel and the first keel. The wall units of the assembly-type wall are spliced and fixed through the rigid splicing structure, and the manufacturing and mounting method of the assembly-type wall mainly comprises the following steps of keel frame splicing, protruding and recessed end forming by splicing, and inserting connecting for fixing; and the invention relates to the field of construction, and according to the rigid splicing structure, the assembly-type wall composed by the rigid splicing structure and the manufacturing and mounting method of the assembly-type wall, the construction problems of complex mounting are solved accordingly.

The invention relates to the technical field of woven bag production, and discloses a woven bag film edge roller which comprises an operation table, guide rollers, a pressing roller, an electric heating plate, a guide pipe, left abutting plates and right abutting plates. The number of the guide rollers is three, the three guide rollers are distributed above the left side of the operation table in parallel, and the distances between the adjacent guide rollers are equal; second fixing plates are vertically fixed to the positions, at the front ends and the rear ends of the guide rollers, of the upper surface of the operation table correspondingly; the guide roller is rotatably installed between the second fixing plates at the front end and the rear end through rotating rods at the front end and the rear end of the guide roller; and the rotating rods are in transmission connection with the middle positions of the front end and the rear end of the guide roller. The three guide rollers and one pressing roller are arranged above the left side of the operation table, the three guide rollers are matched with the left abutting plates and the right abutting plates capable of being adjusted in width at the bottoms, after the distance is adjusted, under the action that the connecting plates are matched with the guide rollers, rapid positioning and deviation correction can be achieved, meanwhile the edge of a woven bag is prevented from being turned up, and the pattern drying and forming speed can be increased while the pattern spraying accuracy is ensured.

The invention discloses a prefabricated assembled hollow pier based on UHPC joints and a construction method of the pier, the prefabricated assembled hollow pier comprises a pier column and a base, the pier column is a hollow pier column, the pier column is sequentially composed of a pier bottom section, a middle section and a top cap section from bottom to top, the pier bottom section is located at the top of the base, steel bar connectors are embedded between the pier bottom section and the base, between the pier bottom section and the middle section and between the middle section and the top cap section, reinforcing stirrups are arranged outside the steel bar connectors, and connection is achieved through post-pouring of UHPC joints. According to the invention, the steel bar connectors between the sections are easy to position and connect, the height of the joints is remarkably reduced, and the using amount of joint concrete is small; the segment construction tolerance is large, and the precision requirement is low; joints are free of vibration, self-compaction is achieved, pouring is convenient, and construction is simple; and the assembled pier is excellent in overall performance, high in joint durability, rapid to assemble, short in field operation time and high in efficiency.

The invention discloses an edge sealing structure of a steel structure wall surface maintenance system and an installation method thereof. An L-shaped support is adopted; one side of an edge folding support is connected with an outer wall surface in a fastened mode; the two ends of an edge folding sealing frame are provided with an inner folding edge and an inner contact edge respectively; the end of the inner folding edge makes contact with the end of the outer wall surface; the inner side face of the inner folding edge makes contact with a landing edge on the other side of the edge folding support; the inner contact edge on the edge folding sealing frame is fixedly connected with an inner wall surface; a covered edge is arranged between the inner folding edge and the inner contact edge on the edge folding sealing frame; and the inner side face of the covered edge makes contact with the end face of a wall or a windowsill surface. A supporting structure is formed on the outer wall surface of the edge folding sealing frame through the edge folding support, the whole edge folding sealing frame is wrapped on the outer side of the wall, the edge folding support is used for supporting, connecting points are prevented from being exposed, and sealing performance is improved; and the whole edge folding sealing frame is used for wrapping, the structure is simple, the surface is simple, nailing connection on the edge folding sealing frame is not needed, bumps are not prone to occurring, and the connecting strength is stable through support supporting.

The invention discloses a front speed reducer mounting bracket assembly and a vehicle. The front speed reducer mounting bracket assembly comprises a mounting bracket body and a mounting bracket connecting plate. The mounting bracket body is provided with a first connecting part which is fixedly connected with the bottom wall of the steering gear mounting cross beam; the mounting bracket connectingplate is fixedly connected with the mounting bracket body and provided with a second connecting part and a third connecting part, the second connecting part is fixedly connected with the top wall ofthe mounting cross beam, and the third connecting part is fixedly connected with the rear side wall of the steering gear mounting cross beam. The front speed reducer installation support assembly andthe three faces of the steering gear installation cross beam are fixed in a lap joint mode, the strength and rigidity of the front speed reducer installation support assembly are higher, the connection strength between the whole front speed reducer installation support assembly and the steering gear installation cross beam is effectively improved, and then the NVH performance of a vehicle is effectively guaranteed.

The invention discloses a safety elevator car. An elevator control cabinet is arranged inside the elevator car. An elevator lower beam is arranged at the bottom of the elevator car. A counterweight mechanism is connected to the elevator car; the counterweight mechanism includes a counterweight block. The counterweight is connected to the elevator car through steel cables, the counterweight is connected to the counterweight guide rail through the counterweight guide shoe, and the counterweight guide rail is fixed to the elevator shaft through the counterweight bracket. The elevator control cabinet includes a bottom box and a cabinet door. The bottom box includes a bottom plate, one side of the bottom plate is bent forward to form a first plate, and the other side of the bottom plate is first bent forward and then inward to form a second plate; the cabinet door includes a panel, one of which is The side is bent backwards to form a third plate, and the other side of the panel is bent backwards to form a fourth plate, a notch is arranged along the fourth plate, and a hinge is arranged in the notch. The present invention simultaneously improves the structures of the elevator control cabinet, the elevator lower beam and the counterweight bracket, so that the elevator car has the advantages of easy maintenance, high safety, high manufacturing efficiency and low cost.

The invention discloses a safe elevator car. An elevator control cabinet is arranged in the elevator car, an elevator lower beam is arranged at the bottom of the elevator car, and a counterweight mechanism is connected to the elevator car; the counterweight mechanism comprises a counterweight filler, the counterweight filler is connected to the elevator car through a steel rope, the counterweightfiller is connected to a counterweight guide rail through a counterweight guide shoe, the counterweight guide rail is fixed to an elevator hoistway through a counterweight bracket, the elevator control cabinet comprises a bottom box and a cabinet door, the bottom box comprises a bottom plate, one side of the bottom plate is bended forward to form a first plate while the other side of the bottom plate is bended forward and inward to form a second plate; the cabinet door comprises a panel, one side of the panel is bended backward to form a third plate while the other side of the panel is bendedbackward to form a fourth plate, a notch is formed along the fourth plate, and a hinge is arranged in the notch. By improving the structures of the elevator control cabinet, the elevator lower beam and the counterweight bracket at the same time, the elevator car has the advantages of being easy to maintain, high in safety, high in control efficiency and low in cost.

The invention discloses a reinforced telescopic device for corrugated pipe joints. The reinforced telescopic device is used for connecting a first corrugated pipe with a second corrugated pipe which are adjacent to each other, and comprises a first telescopic sheet and a second telescopic sheet; the first telescopic sheet is fixed to the outer surface of the first corrugated pipe; the second telescopic sheet is fixed to the outer surface of the second corrugated pipe; the first telescopic sheet is connected with the second telescopic sheet through two slotted holes and correspondingly matchedbolts; a first reinforcing ring is arranged between the first telescopic sheet and the first corrugated pipe; a second reinforcing ring is arranged between the two telescopic sheet and the second corrugated pipe; a first sealing plate is arranged in the middle of the connection part between the first telescopic sheet and the second telescopic sheet; and second sealing plates are integrally arranged in the middle of the connection part between the first telescopic sheet and the first corrugated pipe and the middle of the connection part between the second telescopic sheet and the second corrugated pipe. The reinforced telescopic device has the advantages of simple structure, high convenience in operation, good sealing effect, high connection strength, high pressure resistance of a pipe orifice and telescopic connection part, and can be widely used for connecting corrugated pipes in the fields of machines, engineering application and the like.

The invention relates to an inorganic permeable fireproof thermal insulation board, belonging to the field of building materials. The inorganic permeable fireproof thermal insulation board is characterized by comprising a thermal insulation board body; the thermal insulation board body comprises a heat insulating layer and an interfacial transition layer; the heat insulating layer comprises a thermal insulation base plate, and a nano inorganic material permeates into the thermal insulation base plate; the interfacial transition layer is prepared from an organosilicon waterproofing agent and apermeable crystalline waterproofing agent; the thickness is 1-3mm. The heat insulating layer is prepared from the thermal insulation plate, the surface of which is coated with foamable particles, andthe nano inorganic material, so that not only is the requirement of thermal insulation met, but the aim of fire protection is also achieved; the interfacial transition layer is prepared from the organosilicon waterproofing agent and the permeable crystalline waterproofing agent; by adjusting the gradation, the interfacial transition layer has better adhesive force with the heat insulating layer onthe basis of meeting the waterproof performance. The inorganic permeable fireproof thermal insulation board has the advantages of being simple in production process and high in mechanical property, having the functions of heat insulation and fire protection at the same time, and the like, thus being widely applied to the fields such as exterior wall external insulation and roof insulation.

The invention relates to an assembly process incapable of damaging plastic components of a wired connector. The wired connector comprises a fixed shell body, a positioning shell body, a connector body and an upper shell body, wherein front and rear ends of the fixed shell body are communicated with each other, so as to form a first accommodating space, and an upper opening is formed in the top part of the first accommodating space. The assembly process comprises the steps of: at first, welding the positioning shell body to the front end of the fixed shell body without shielding the upper opening; placing the connector body into the fixed shell body; finally, assembling the upper shell body onto the fixed shell body in an embedded and clamped manner, and shielding the upper opening and the connector body so as to form the wired connector. Therefore, the high temperature produced in previous welding cannot melt plastics of the connector body, and the yield rate of the wired connector in production and assembly can be effectively improved.

The embodiment of the invention belongs to the technical field of firearms, and relates to a grip gun lamp convenient to control a switch. The grip gun lamp comprises a body, the body is also provided with a gun rail part, a gun lamp part, a switch part, a grip part and a battery; wherein the gun rail part is used for being detachably connected with a long gun; the gun lamp part is connected to one end of the lower side of the gun rail part, the grip part is connected to the other end of the lower side of the gun rail part, and the switch part is connected between the gun lamp part and the grip part. A gun lamp switch is arranged at the position, close to the grip part, of the lower end of the gun lamp part. The battery is arranged in the grip part, the battery is electrically connected with the gun lamp switch and the gun lamp of the gun lamp part, and an electrically-connected wire is located in the gun lamp of the grip part. When the grip gun lamp provided by the embodiment is used, the gun lamp switch can be controlled through the index finger, and a combat state can be kept at any time while the gun lamp is controlled.

A connection method for integrally connecting a plurality of metal core wires arranged side by side, comprising: placing a predetermined part of the metal core wires on a lower joint module, using a positioning mechanism to position the metal core wires, and placing the metal core wires by Reinforcement material made of metal is placed on said metal core wire on the lower side joint module, the upper side joint module arranged correspondingly to the lower side joint module is lowered until it touches said reinforcement material, and using said upper side The bonding module and the lower bonding module apply ultrasonic welding or resistance welding to the metal core wire and the reinforcement material, so that the metal core wire and the reinforcement material at the predetermined position are integrally connected together. By this method, during the integral connection of the metal core wires of the flat cable, stable connection strength can be obtained and breakage of a single metal core wire can be prevented.

The invention relates to the technical field of semitrailer accessories, in particular to a front plate for a semitrailer carriage body, the front plate comprises a front plate body, an upper cross beam fixed at the upper part of the outer plate surface of the front plate body, a lower cross beam fixed at the lower part of the outer plate surface of the front plate body, and vertical beams positioned between the upper cross beam and the lower cross beam, the front plate is characterized in that the number of the vertical beams is two, and the back plate faces of the vertical beams are fixed to the outer plate face of the reinforcing base plate; the cross section of the upper cross beam is groove-shaped, or / and the cross section of the lower cross beam is groove-shaped, or / and the cross section of the vertical beams is groove-shaped; a reinforcing base plate is arranged between the upper cross beam and the lower cross beam and is fixed on the two vertical beams, and / or the reinforcing base plate is fixed on the upper cross beam and / or the reinforcing base plate is fixed on the lower cross beam. Local thickening design can be carried out on the mechanical property, so that the self weight and the material cost are reduced, and the connection strength and the performance stability are improved.

The present invention relates to a corrugated steel sheet, and provides a corrugated steel sheet (B) having an inclined portion in which the position of a coupling hole is adjusted, wherein: among a pair of corrugated steel sheets (A, B), a corrugated steel sheet (B) is overlapped and joined with the upper portion of a lower corrugated steel sheet (A) and has the same thickness as the lower corrugated steel sheet (A); a common bolt is coupled to both a coupling hole in the lower corrugated steel sheet (A) and a coupling hole in the corrugated steel sheet (B); and when assuming that the distance between the center of a middle crest portion coupling hole (111) and the center of an adjacent inclined portion coupling hole (141) is a coupling hole distance (a, b), the coupling hole distance (b)for the corrugated steel sheet (B) is calculated by equation 1. Therefore, the present invention can obtain a stable bolt coupling strength, can minimize the occurrence of a gap in a joint corrugatedsteel sheet structure in which the corrugated steel sheets are overlapped and joined together, thereby improving the waterproof performance thereof, and can facilitate bolt coupling work, thereby improving constructability on the site.

The invention provides a low-flow-resistance flange cast steel straight-through stop valve which comprises a valve body, a medium inlet and a medium outlet are formed in the two sides of the valve body respectively, the upper end of the valve body is fixedly connected with a valve deck through a valve deck screw, a valve rod is arranged in the center of the valve deck in a penetrating mode, and a hand wheel is fixed to the top of the valve rod in a threaded mode. The bottom of the valve rod penetrates into the valve body to be connected with a valve disc, communication of a medium inlet and a medium outlet on the two sides of the valve body is closed through the valve disc, the valve rod comprises an outer screw rod and an inner screw rod which are different in screw pitch, and the outer screw rod and the inner screw rod are connected with the center and the outer edge of the valve disc respectively. The outer edge of the valve disc moves downwards relative to the center of the valve disc, the valve disc is made to be integrally bent to form an upwards-protruding curved surface, the valve disc with the curved surface conducts flow guiding on a circulating medium, the circulating resistance of the medium is reduced, meanwhile, the scouring effect on the valve disc during medium circulation is reduced, the service life of the valve disc is prolonged, and good development prospects are achieved.

The invention discloses a building heating device with a temperature adjusting function and emission reduction. The building heating device comprises a frame main body, and a filter assembly, a negative pressure fan assembly and a heat dissipation steel pipe assembly which are located in an inner frame of the frame main body and are sequentially arranged in an air flowing direction from back to front, wherein the heat dissipation steel pipe assembly comprises a plurality of heat dissipation steel pipes which are transversely and evenly distributed along the inner frame of the frame main body at intervals, hot water notches located in the upper ends of all the heat dissipation steel pipes, soft water notches located in the lower ends of all the heat dissipation steel pipes, a hot water supply assembly, and a soft water supply assembly used for conveying soft water from bottom to top; and the negative pressure fan assembly sucks cold air filtered by the filter assembly, the cold air exchanges heat with hot water in the heat dissipation steel pipe assembly, then warm air is output from gaps between adjacent heat dissipation steel pipes, and when the temperature of the hot water is too high, the soft water supply assembly conveys low-temperature soft water from bottom to top, and bubbles are generated in the rising process of the low-temperature soft water to stir the hot water for temperature adjustment. According to the device, the heating temperature can be adjusted, and the requirements of users are met.