118results about How to "Not easy to enter water" patented technology

The invention discloses a large-scale server cabinet high in thermal diffusivity and space utilization rate. The large-scale server cabinet comprises separator plates, telescopic plates and sleeve plates arranged on a cabinet body. The server cabinet body is in the form of a rectangular box body; the number of the separator plates is two; the middle positions of the upper and lower ends of the separator plates are both fixedly provided with sliding blocks which are in the shape of T; the sliding blocks are arranged in slide chutes; the both side surfaces of the server cabinet body are provided with heat radiating holes; the separator plates inside the server cabinet body are provided with air vents; and fan blades are arranged in the air vents. The inside of the server cabinet body is well ventilated and has good heat dissipation. Heat accumulation inside the server cabinet is not easy, so that the phenomenon that the running speed of a server decreases due to overheating will not occur. The service life of the server is relatively long, and that the phenomena of heat dissipation performance degradation and decrease in the running speed of the server will not occur. The server cabinet is convenient to clean. The server is little influenced by the external factors. The server cabinet is suitable for popularization.

The invention relates to a ship positioning anchor system, and belongs to the technical field of ship positioning anchors. Four-anchor positioning is adopted for the ship positioning anchor system. The ship positioning anchor system is characterized in that a bow and a stern are both provided with an upper-layer deck and a lower-layer deck, and the upper-layer decks are exposed decks for engineering work; positioning winches are arranged on the lower-layer decks; steel wire ropes pass through vertical fair-leads (2) after being led out through the positioning winches, the direction of the steel wire ropes is changed into the vertically upward direction, the steel wire ropes penetrate through the upper-layer decks to enter deck houses (11) specially arranged on the upper-layer decks, the direction of the steel wire ropes is changed into the horizontally backward direction through vertical fair-leads (2) at the tops of the deck houses (11), the steel wire ropes penetrate through rotary fair-leads (4), and the tail ends of the steel wire ropes are connected with positioning anchors (10); the rotary fair-leads (4) are arranged at the top end of the side wall of a hull.

The invention discloses a waterproof structure of a motor, which comprises a motor end cover (1) and a rotating shaft (3) penetrating out from a through hole (21) in a bearing chamber (2) on the motor end cover (1), wherein a bearing (5) is arranged in the bearing chamber (2) and used for supporting the rotating shaft (3), a waterproof cover (4) is arranged on the rotating shaft (3) of the motor and is covered outside the bearing chamber (2), a boss (6) protrudes outwards is arranged on the top surface of the bearing chamber (2), extends into the interior of the waterproof cover (4) and is matched with the rotating shaft (3) of the motor, and a water baffling ring (7) is arranged on a position above the top of the lug boss (6) and in the waterproof cover (4), and is sleeved on the rotating shaft (3) of the motor. The waterproof structure is especially suitable for an outdoor motor; and according to the waterproof structure, water flow is effectively prevented from flowing into the motor, normal working of the motor is ensured, and service life of the motor is prolonged.

The invention discloses a load-bearing type four-bar linkage automatic deviation correction device. The device comprises a runway mechanism. The runway mechanism comprises rotary assemblies I, rotary assemblies II, carrier roller cross beams and a load-bearing cross beam. The carrier roller cross beams and the load-bearing cross beam are connected through a pair of the rotary assemblies I. Front-extending square tubes are disposed on the load-bearing cross beams and provided with the rotary assemblies II. The rotary assemblies II are provided with parallel extending sleeves. Supports are welded to the carrier roller cross beams, and carrier rollers are arranged on the supports. One end of each of parallel extending tubes is inserted into the corresponding parallel extending sleeve of the runway mechanism. Adjustable vertical roller linkage bars are inserted into an installation cavity where the other end of each of the parallel extending sleeves is welded. Dual vertical roller sleeve assemblies and detection vertical rollers are movably installed on the adjustable vertical roller linkage bars. The deviation correction device can conduct effective deviation correction on high-speed, large-capacity, long-distance and high-strength belt conveyers in the severe work environment, especially on large wide belts.

A cabinet body manufacture technique includes steps of a, processing a left side board and a right side board; b, processing a bottom board, a rear back integral board and a front transverse head; c, assembling the left side board, the right side board, the bottom board, the rear back integral board and the front cross head into a cabinet body. The cabinet body manufacture technique is characterized in that the left side board in the step a is formed by bending a stainless steel board being divided into two units by two V-shaped grooves arranged in the middle of the stainless steel board. Each unit has four faces including a middle face and three other faces surrounding the middle face. The other three faces need dadoing and then bending. The two units after bending are combined together. The cabinet body manufacture technique has beneficial effects that no wood block is needed, so that advantages of a fire-proof effect, a moisture-proof effect and an insect prevention effect are achieved; the cabinet body gaps are small, so that water permeation is avoided and expansion and mouldiness are avoided.

The invention discloses a tracked steamship / vehicle for rescuing on an ice surface and a wet land, belonging to rescue equipment. The tracked steamship / vehicle comprises a hull, a cabin, watertight bulkheads, a water-resisting enclosure, track wheels, a pendulum shaft, a damping shock absorber, a rescue suspension arm and a buckling claw. The tracked steamship / vehicle is characterized in that the tracked wheels connected and fixed together with the pendulum shaft of which the middle is longitudinally fixed and two horizontal ends swing vertically are arranged below two sides of the hull; and the periphery and the bottom of the hull are provided with the watertight bulkheads of which the total buoyancy is larger than the total weight of the steamship / vehicle. The water-resisting enclosure is arranged at the periphery above a deck of the cabin, and the front part of the deck is provided with the rescue suspension arm. Compared with the prior art, the tracked steamship / vehicle has the functions of advancing on the ice surface and the wet land and in water, also has the advantages of safety in use, wide in application range, high in adaptability and the like and has favorable popularization and application values.

The invention discloses an electric heating pot. The electric heating pot comprises a pot body and a pot cover which is separably arranged on the pot body, wherein a liner, a heating device and a heating terminal electrically connected with the heating device are arranged in the pot body, and the pot cover is provided with a first temperature measurement device and a first wireless transmitting terminal electrically connected with the first temperature measurement device. The electric heating pot further comprises a control box separated from the pot body and an insertion piece inserted in the upper end of the pot body, wherein a power panel is arranged in the control box, a power terminal and a first wireless receiving terminal which are electrically connected with the power panel are arranged on the insertion piece, the power terminal is electrically connected with the heating terminal in an inserted mode, the first wireless receiving terminal corresponds to the first wireless transmitting terminal, the first wireless receiving terminal receives a temperature signal transmitted by the first wireless transmitting terminal and sends the temperature signal to the power panel, and the distance between the first wireless receiving terminal and the first wireless transmitting terminal is smaller than 50 mm.

The invention discloses a light-emitting mask comprising a light-emitting component and a mask body and further comprising a framework and ear hooks installed on the framework, wherein the mask body is a light guide board fixed to the framework; the light-emitting component is installed on the framework; the light-emitting component corresponds to the light guide point on the light guide board; the framework comprises an inner frame and an outer frame which are buckled with each other; the light guide board is fixed between the inner frame and the outer frame. The light guide board can cover the whole face, only a strip-shaped framework part of the whole light guide board is shielded, the shielded part of the light guide board is the eye part of the user, and the user experience is good; the light guide board does not make direct contact with the face, frequent cleaning is not required, use is convenient and rapid, and sanitation is achieved; heat is diffused out through cooling holes and cooling fins; the whole outer frame and the light guide board can be better attached to each other through a pressing strip, the sealing performance is better, gaps are avoided, light is not leaked easily, and water or dust does not enter the light-emitting mask easily.

Provided is a terminal-equipped electrical wire that maintains the elongation properties and electrical conductivity of an aluminum alloy wire at levels equal to or greater than those of conventional products while achieving suitable yield strength and high bending fatigue resistance, that makes it difficult for moisture to enter the interior of a barrel section, and that makes it possible to configure a terminal so as to be compact in the lengthwise direction thereof. The terminal-equipped electrical wire (1) is provided with: an electrical wire (2) obtained by coating the outer circumference of an aluminum alloy wire (2a); and a crimp terminal (3) that is crimped to an end section of the electrical wire. The aluminum alloy wire (2a) comprises an Al-Mg-Si alloy. The crimp terminal (3) comprises a barrel section (3b) that is crimped together with the aluminum alloy wire (2a). The barrel section (3b) is configured to have a tubular shape of which one end is closed.

The invention relates to a breathable and durable sneaker vamp. The breathable and durable sneaker vamp comprises a base material layer with the surface of a mesh-shaped structure, and a first printed layer. The first printed layer is arranged on the surface layer of the base material layer. The first printed layer is attached to the surface layer of the base material layer and is embedded in the mesh-shaped structure on the surface layer of the base material layer. The first printed layer is formed by conducting screen printing and drying on a waterborne polymerization coating multiple times. The first printed layer comprises two first side blocking parts arranged on the two side faces of the base material layer. A plurality of breathable grooves are formed in the attached face of the first printed layer and the base material layer. The breathable grooves are formed in the width direction of the first side blocking parts. The design that the breathable grooves are formed in the lower surface of the waterborne polymerization coating is adopted, and therefore air in a sneaker can enter the breathable grooves along holes of the mesh-shaped structure, and the vamp can have better breathing performance. The breathable grooves are located in the lower surface of the waterborne polymerization coating. Due to the blocking of the waterborne polymerization coating, the vamp is not prone to dirt or water entering, and is easy to clean.

The invention provides a water-proof type intelligent teakettle which is applicable to an electromagnetic teakettle and an electric heating teakettle. The water-proof type intelligent teakettle comprises a kettle handle, a kettle lid and a kettle body. A motor driving the kettle lid to turn over and a circuit board are arranged in the kettle handle. The kettle handle comprises an integrated kettle handle body. The two sides of the motor are provided with an inner side sealing ring and an outer side sealing ring respectively. The inner side sealing ring is located between the inner wall of a motor containing groove and the motor and provided with a second through hole with the center consistent with the center of the first through hole at the corresponding position of a rotating shaft of the motor. The outer side sealing ring is attached to the motor and is close to a notch of the motor containing groove. Due to the inner side sealing ring and the outer side sealing ring, water is not likely to enter the motor containing groove, the motor is effectively protected, it is ensured that the motor drives the kettle lid to turn over smoothly, and the waterproof performance is greatly improved; the kettle handle body is of the integrated structure, the number of molds is reduced, the production process is simplified and the cost is effectively lowered; the number of connection gaps is reduced, water is not likely to enter the motor, electronic components inside the motor are effectively protected, the service life of the water-proof type intelligent teakettle is prolonged, and potential safety hazards possibly caused when water enters the circuit are eliminated.

The invention relates to the technical field of glue, and particularly discloses masking tape glue and a preparation method thereof. The glue of the masking tape is prepared from the following raw materials in parts by weight: 20-30 parts of butyl acrylate, 30-40 parts of 2-ethylhexyl acrylate, 3-5 parts of acrylic acid, 510 parts of a tackifier, 2-4 parts of a coupling agent, 5-8 parts of an initiator, 5-10 parts of an initiating solution, 10-16 parts of oxidized starch and 7-9 parts of silicone oil, and has the advantage of good waterproof performance.

The invention discloses an intelligent water meter, which comprises a lower box, an upper cover, an IC jack and a liquid crystal circuit board, wherein the upper cover is mainly used for covering and protecting the upper surface of the lower box; the upper cover is connected with the lower box in a rotating way; and a rotating axis is vertical to the upper surface of the lower box. The intelligent water meter of the invention can make the upper cover horizontally rotate in parallel with the upper surface of the lower box, occupies a small space, is convenient to use, maintain and detect, particularly convenient to view data and insert a card, is favorable for preventing a foreign material from entering the IC jack and separating a mechanical part from an electric appliance part, and expands the space for the further development of the water meter.

The invention provides glass fiber cloth and a processing technology thereof and belongs to the technical field of cloth. The glass fiber cloth comprises a glass fiber layer which is a woven fabric, the thread count of which is 30*30 / inch; the warps and wefts of the woven fabric are polyester silks of 1000D; the glass fiber cloth is characterized in that a PVC coating I and a PVC coating II separately coat two sides of the glass fiber layer; a waterproof layer I, a flame retardant layer I and a PVC coating III are successively on one side of the PVC coating I from inside to outside; a waterproof layer II, a flame retardant layer II and a PVC coating IV are successively arranged on one side of the PVC coating II from inside to outside. The glass fiber cloth provided by the invention has theadvantages of being flame retardant, waterproof and crack-folding-resistant.

The invention provides a novel integrated compartment board and a production process thereof, which relates to the technical field of car panels, and solves the technical problems of easy water inflowcracking and low strength at the welding seam of the compartment board produced by the split production method. The device comprises a flat plate part and a corrugated part, wherein the corrugated part is arranged on either side or both sides of the flat plate part, and the corrugated part and the flat plate part are integrally formed; The invention also discloses a manufacturing process for producing the integrated box plate, wherein the special-shaped wheels of more than 30 groups are used to perform rolling in a small amount for many times; The rectangular folded edge and the integrally formed structure of the invention can ensure that the strength of the whole compartment plate is greatly increased; And the whole box plate has no welding seam, and the whole box plate is not easy to befilled with water, so that the service life of the box plate is enhanced; 30 or more group of rollers are arranged in that production process, and the angle of the rollers is adjusted for many time to press and deform, so that the cold-rolled sheet is not easy to break in production, and the box plate is seamless and integrally formed.

The invention discloses a multifunctional unmanned aerial vehicle (UAV) suitable for electric power patrol inspection, which comprises a UAV main body, an object cavity is arranged in the UAV main body, and a plurality of rotor flying devices are arranged on the sides of the UAV main body. An upper end of that main body of the unmanned aerial vehicle is provided with a waterproof upper shell, anda first waterproof sealing ring is arranged between the waterproof upper shell and the main body of the unmanned aerial vehicle; an electronic component mounting cavity with an opening facing upward is arranged in the middle of the aluminum radiator in the housing cavity. The side surface of the waterproof upper shell is an arc surface, the upper end surface of the waterproof upper shell is a plane, the waterproof upper shell is made of transparent plastic material, the upper end surface of the waterproof upper shell is fixedly provided with an automatic cable grasping manipulator, and the waterproof upper shell is fixedly provided with a thermal infrared imager, a video camera and an ultrasonic flaw detector. The technical scheme has the advantages of reasonable structure design, simple structure, easy assembly and disassembly, good waterproofing performance, long working time, convenient use and normal operation under harsh conditions such as rainy day and night.

The invention belongs to the field of wall plates, and in particular relates to a wall plate splicing structure. The wall plate comprises a plate body and a connection part I and a connection part II which are arranged on two sides of the plate body, wherein the connection parts I and the connection parts II of every two adjacent wall plates are connected through clamping connection pieces; each clamping connection piece is a metal plate and comprises a pressing plate I, a pressing plate II and a mounting plate; a clamping plate is arranged in the middle of each metal plate; the connection part I comprises a connection plate I; the connection part II comprises a connection plate II; the side surface of the plate body, connected with the connection part I, is an inclined water guide surface; a water baffle is arranged on one side, which is close to the water guide surface, of the connection plate I; a water stopping section is arranged on the lower surface of a shading plate from the upper end of the corresponding water baffle to the outer end of the shading plate; the upper end of the water baffle presses against the lower surface of the shading plate. Due to fastening between the wall plate and each of multiple parts of the clamping connection piece, the firmness of wall plate mounting is guaranteed, and the wall plate collapses difficultly; the wall plate splicing structure is high in water prevention performance, long in service life and safe to use.

The invention discloses a solar heat collector with welding-free fins. The solar heat collector comprises a heat collector frame, a heat collector back plate, a heat preservation layer, working medium pipelines and a light transmitting layer, wherein the heat collector back plate, the heat preservation layer, the working medium pipelines and the light transmitting layer are sequentially arranged in the heat collector frame from bottom to top. The solar heat collector further comprises a junction box installed outside the heat collector frame. The heat collector frame comprises a frame main body and a pressing strip connected with the frame main body in a clamped mode. The frame main body comprises a vertical frame, a first transverse frame, a second transverse frame and a third transverse frame. The light transmitting layer comprises a lower tempered glass layer and an upper ultra white tempered glass layer, and a plurality of batteries and a plurality of flow concentration belts are arranged between the tempered glass layer and the ultra white tempered glass layer. The batteries are connected in series and / or connected in parallel into a plurality of battery packs through the flow concentration belts. All the battery packs are connected in series or in parallel through the flow concentration belts and are further electrically connected with the junction box. The solar heat collector with the welding-free fins is simple in structure, reasonable in design, good in sealing performance and high in heat collecting efficiency.

The invention discloses a load-bearing type four-bar linkage automatic deviation correction device. The device comprises a runway mechanism. The runway mechanism comprises rotary assemblies I, rotary assemblies II, carrier roller cross beams and a load-bearing cross beam. The carrier roller cross beams and the load-bearing cross beam are connected through a pair of the rotary assemblies I. Front-extending square tubes are disposed on the load-bearing cross beams and provided with the rotary assemblies II. The rotary assemblies II are provided with parallel extending sleeves. Supports are welded to the carrier roller cross beams, and carrier rollers are arranged on the supports. One end of each of parallel extending tubes is inserted into the corresponding parallel extending sleeve of the runway mechanism. Adjustable vertical roller linkage bars are inserted into an installation cavity where the other end of each of the parallel extending sleeves is welded. Dual vertical roller sleeve assemblies and detection vertical rollers are movably installed on the adjustable vertical roller linkage bars. The deviation correction device can conduct effective deviation correction on high-speed, large-capacity, long-distance and high-strength belt conveyers in the severe work environment, especially on large wide belts.

The invention discloses an anti-electric shock power distribution cabinet with flood prevention and disaster resistance functions, and belongs to the technical field of power distribution cabinets. The cabinet comprises a protective outer box, a waterproof door is hinged to the front surface of the protective outer box, the back surface of the waterproof door extends into the protective outer box,and a power distribution box body is fixedly mounted in the protective outer box. According to the scheme, supporting columns are fixedly mounted on the inner bottom wall of a waterproof ventilationbox, the top ends of the supporting columns extend to the top of a ventilation groove and is fixedly connected with a waterproof cover plate. The waterproof cover plate has a certain waterproof capability on the waterproof ventilation box, sponge layers are installed on the left side and the right side of the top of the waterproof ventilation box, and the tops of the two sponge layers are fixedlyconnected with the waterproof cover plate, so that the sponge layers have certain waterproof capacity while ventilation and dust prevention are achieved, the waterproof and anti-electric shock effectsof the device are relatively good, and the probability of dangerous accidents during flood disasters is reduced.

The present invention provides a vehicle provided with a driving motor. An engaging section (22p) that is to be engaged to the anchoring side member (60), and that positions the rotating center of the rotating side member (31) in relation to the anchoring side member (60), is formed on an axle (22) that supports the rotor (42) and the rotating side member (31) rotatably, and the axle (22) is positioned in relation to the anchoring side member (60) by making the engaging section (22p) engaged to the anchoring side member (60) and making the rotating side member (31) and the anchoring side member (60) become a unit, which in turn aligns the centers of insertion holes thereof into which the wheel axle (21) is to be inserted, thereby making the mounting of the unit (U) (which is the wheel (30)) in between the pair of arms (20L, 20R) easier.

The invention relates to a multi-functional walking stick which comprises a walking stick body. The multi-functional walking stick is characterized in that the walking stick body is provided with a central processor, a GPRS (General Packet Radio Service) communication module, a satellite locator, a wireless signal receiver which is used for receiving wireless signals emitted from a monitoring device which is worn on a user to monitor the health condition of the user, an MP3 (Moving Picture Experts Group Audio Layer III) module and a battery; the MP3 module, the central processor, the GPRS communication module, the satellite locator and the wireless signal receiver are all connected with the battery; the MP3 module, the GPRS communication module, the satellite locator and the wireless signal receiver are all electrically connected with the central processor; and the MP3 module comprises a speaker, a memory card slot, a USB (Universal Serial Bus) interface and a key-press panel. The multi-functional walking stick has the advantage of being capable of providing better safety protection for elderly people.

The invention discloses a low-temperature-resistant waterproof charging pile cable, which comprises a conductor formed by twisting a plurality of core wires, and further comprises an outer cover, wherein a braided layer is braided on the surfaces of the core wires, the surface of the braided layer is coated with a middle cover, the surface of the conductor is wound with a water-blocking tape, thesurface of the water-blocking tape is coated with an insulating sleeve, an aluminum-plastic composite tape is attached to the inner wall of the outer cover, a water-blocking material is filled in thealuminum-plastic composite tape and located between the outer surfaces of the insulating sleeve, and the water-blocking tape is prepared by using a polyester non-woven fabric as a base cloth and adding a water-absorbing polymer rubber and a plastic coating material. The invention relates to the technical field of charging pile cables. According to the low-temperature-resistant waterproof chargingpile cable and the production process, the cable body of the low-temperature-resistant waterproof charging pile cable is still soft even when the low-temperature-resistant waterproof charging pile cable is used at the temperature of minus 40 DEG C, so that the low-temperature-resistant waterproof charging pile cable adapts to severe cold environments in northeast China, North America and North European China, waterproofness of the charging cable is improved, and hidden danger of water entering the cable is avoided.

The invention relates to an LED Chinese knot landscape lamp which comprises LED light-emitting bars, a Chinese knot lamp, a Chinese knot fringe and a support. Each LED light-emitting bar is composed of a lamp slice groove, an LED paster and sealing resin. The lamp slice grooves are arranged to be bar-shaped grooves, and LED paster lamp beads and circuit boards are arranged in the groove and are poured and sealed through the resin. The Chinese knot lamp is composed of two semi-light-transmittance red Chinese knot lamp shells and an LED light-emitting bar connecting plate. When a power source is switched on, the front faces and the back faces of the whole Chinese knot lamp shells are lightened; according to the Chinese knot fringe, each pipe is internally connected with the several LED light-emitting bars in series, and the whole Chinese knot fringe is lightened when the power source is switched on; and the support is composed of a Chinese knot lamp connecting frame, a Chinese knob fringe bracket and a supporting rod. According to the LED Chinese knot landscape lamp, each LED light-emitting bar is independently subjected to rubber filling sealing, the sealing effect is good, water entering is not likely to happen, lamp bead feet are not likely to be oxidized, the service life is long, replacement is facilitated when problems happen, and potential safety hazards are not likely to happen.

The invention relates to a plug and a socket, which comprise the plug and the socket matched with the plug. The plug comprises a plug housing and a pin, wherein one end of the pin is disposed in the plug housing and is connected with a terminal of a wire, and the other end of the pin passes through a connecting surface of the plug housing. The interior of the plug housing is provided with a plug cavity, and the interior of the plug cavity is sequentially provided with a rotating magnet and a magnetizer, wherein the N and S poles of the rotating magnet can rotate around the central axis of theplug housing. A part, located at the rotating magnet, of the plug housing is provided with a rotating opening. The socket comprises a pin housing, a baffle plate which is disposed outside a jack of the pin housing, a socket magnet, an electric contact and a power line, wherein the socket magnet, the electric contact and the power line are disposed in the pin housing. The baffle plate is provided with a hole corresponding to the jack, and the center of the baffle plate is fixedly connected with one end of a rotating rod which is perpendicular to the baffle plate. The rotating rod sequentially passes through the pin housing and the socket magnet from the left to the right and is fixedly connected with one torsion arm of a torsion arm spring, and the other torsion arm of the torsion spring isfixedly connected to the pin housing.

The invention discloses a waterproof camera, which comprises a shell formed by an upper cover and a lower cover. The upper cover and the lower cover are mounted and connected in a hinged connection mode; the upper cover is internally provided with a camera assembly; the camera assembly is provided with a key assembly for controlling photographing; a supporting seat is arranged on the upper cover; a buckled connection plate is arranged on the supporting seat in a hinged connected mode; a buckled connection groove is arranged in the lower cover; when the upper cover and the lower cover are buckled, the buckled connection plate is clamped in the buckled connection groove; a circle of boss is arranged on the lower cover; a waterproof sealed ring annularly surrounds the outer wall of the boss; the inner wall of the upper cover is provided with a step wall; when upper cover and the lower cover are buckled, the boss of the lower cover is clamped on the step wall of the upper cover, and the waterproof sealed ring is tightly contacted with the inner wall of the upper cover; a flexible cover is arranged on the upper cover; and the key assembly right faces the flexible cover. The waterproof camera has the advantages that the waterproof performance is good, water entering is not easy, and the camera can be ensured to be used in a humid environment and other harsh environments.

The invention discloses an onboard life jacket utilizing the Beidou system. The onboard life jacket comprises a Beidou RDSS sea lifesaving positioning beacon, a life jacket body, heating attaching pieces and an inflatable airbag. The Beidou RDSS sea lifesaving positioning beacon is fixed to the shoulder of the life jacket body, a Beidou RDSS radio frequency chip and a Beidou RDSS baseband chip areconnected through an A / D converter, a Beidou RDSS navigation unit is connected with an antenna in a controlling mode through a pre-amplifier (PA) and a low noise amplifier (LNA), and a terminal control unit is connected with the Beidou RDSS navigation unit in a controlling mode through an MCU module and a power supply management unit. The heating attaching pieces are evenly attached to the interior of the life jacket body, and the inflatable airbag is mounted at the neck of the life jacket body. An inflatable lifesaving device is mounted on the lower portion of the inner side of the life jacket body, and an alarm is mounted at a collar of the life jacket body. Self-rescue after falling into water can be realized by means of the life jacket body, the falling-into-water coordinates can be transmitted to a rescue center so that the rescue center can accurately carry out rescue, and position coordinate information can be accurately positioned in real time when emergency conditions occur.

The invention discloses an up-down insertion and left-right extrusion non-jointing metal decoration heat insulation wall body structure. The up-down insertion and left-right extrusion non-jointing metal decoration heat insulation wall body structure is composed of multiple rectangular metal decoration heat insulation plates fixed to the outer side of a wall body. The upper edge of each metal decoration heat insulation plate is configured to be an insertion opening, and the lower edge, corresponding to the upper edge configured to be the insertion opening, of each metal decoration heat insulation plate is configured to be a bearing opening. In the perpendicular direction of the metal decoration heat insulation wall body structure, the insertion opening of the upper edge of each metal decoration heat insulation plate is matched with the bearing opening of the lower edge of the adjacent heat insulation plate above the metal decoration heat insulation plate. The edge folding width of the left side wall and the right side wall of each metal decoration heat insulation plate is not smaller than 20 mm. In the horizontal direction of the metal decoration heat insulation wall body structure,the joint between each metal decoration heat insulation plate and the adjacent heat insulation plate is filled with a filling material, and the joint width is smaller than 5 mm. The invention furtherdiscloses a construction method of the above wall body.

The invention discloses a novel binocular magnifier. The magnifier comprises an objective lens, an eye lens and an external lens cone for mounting the objective lens and the eye lens. The objective lens and the eye lens both are mounted at the two ends of the external lens cone through sealing rings, and the objective lens, the eye lens and the external lens cone surround a closed inert gas chamber. The novel binocular magnifier provided by the invention is excellent in tightness, firm in installation, excellent in imaging, long in service life and adaptive to an underground environment, and the external surface of the novel binocular magnifier can be processed into various colors for the crowds with different preferences to choose.

The invention discloses a vehicle-mounted camera mounting structure. The vehicle-mounted camera mounting structure comprises a base, a camera mounting box and N rubber bands. A first round rod is vertically connected to the upper surface of the base, a round groove is formed in the bottom surface of the camera mounting box, one end of the first round rod is connected with the base while the other end of the first round rod is positioned in the round groove, the camera mounting box is provided with a side door, a data line hole and a camera hole, the side door is provided with a lock catch, one end of each rubber band is connected with the bottom surface of the camera mounting box, hooks are arranged at the other ends of the rubber bands, and a first round ring is arranged on the first round rod. The vehicle-mounted camera mounting structure has the advantages of reasonable design, convenience for vehicle-mounted camera mounting, mounting steadiness, good waterproof effect, capability of enabling camera picture to be stable and less proneness to water inflow during cleaning.