135results about How to "Avoid outgoing" patented technology

The invention discloses an automatic spraying device for an electric porcelain insulator. The automatic spraying device for the electric porcelain insulator belongs to the field of electric porcelaininsulator production devices, and comprises a device body. The device body is divided into a spraying chamber and a drying chamber through a vertical clapboard; a spraying mechanism is arranged on theupper part of the spraying chamber, and comprises a horizontal guide rail and a sliding seat moving along the guide rail; an oscillating cylinder is arranged on the sliding seat; a spraying bin is fixed to an output shaft of the oscillating cylinder; a plurality of spray holes are uniformly formed in the bottom part of the spraying bin; a conveyor belt is arranged under the spraying bin, and penetrates through the spraying chamber and the drying chamber; a drying box is arranged in the drying chamber; and a plurality of air outlet holes are uniformly formed in the top part of the drying box.The automatic spraying device for the electric porcelain insulator disclosed by the invention can be used for automatically spraying and drying a surface of the electric porcelain insulator, and is uniform in coating, and suitable for spraying the electric porcelain insulators with different lengths.

The invention discloses an anti-explosion marker lamp. The anti-explosion marker lamp comprises a lamp body and a light-emitting screen component fixed on one side of the lamp body, wherein a switch box is arranged in the lamp body; a power supply circuit for driving to light the light-emitting screen component is arranged in the switch box; the switch box adopts encapsulating package; a switching part is also arranged in the switch box; the lamp body is provided with a button which can drive the switching part; when the button is pressed, the switching part switches off the power supply circuit; and when the button is released, the switching part switches on the power supply circuit. In the anti-explosion marker lamp, the switch box adopts the encapsulating package and a sealing effect is good, so the interior of the anti-explosion marker lamp meets a safety-increased requirement and a safety-increased structure has the characteristics of easy manufacturing and lower cost compared with an anti-explosion structure with high difficult in the prior art. Simultaneously, the switching part which can perform emergency test on the anti-explosion marker lamp is arranged in the switch boxon the premise of meeting the safety-increased requirement, so as to prevent sparkle generated when testing from fleeing outwards and bring convenience to the test of the anti-explosion marker lamp; therefore, the anti-explosion marker lamp can be used more safely and reliably.

The invention discloses a noise reduction chamber used for reducing operating noise of a concrete pump. The noise reduction chamber comprises a hood body (3) for containing the main body of the concrete pump, a hopper hood (1) used for containing a hopper of the concrete pump and communicated with the hood body, and a ventilator. A lateral wall of the hood body (3) is provided with an inlet-outletgate (31) for facilitating the entering and exiting of the concrete pump into or out of the noise reduction chamber. The noise reduction chamber is specially designed for the concrete pump. The hopper hood (1) prevents the noise of the concrete pump from being transferred outside through a hopper part, effectively isolates the noise from the outside environment and reduces the noise pollution tothe environment when the concrete pump works, thereby effectively isolating and absorbing various noises generated during the operation of the concrete pump and reducing the noise pollution caused bythe concrete pump.

The invention discloses a breeding method of purifying the junior unit of the swine disease 60 system, which includes the following steps: A. female pigs are equally divided, the four stages of the female pig breeding are integrated in one piggery by combining the piggery to achieve a breeding process; B. a workshop is arranged in a double-row manner with 60 combined workshops in 10 rows, the main passage in the middle is the clean passage and the both sides are sewage passages for discharging the pig manure; C. the design and production management of the modernized hoggery includes: the production and operation management are suitable for two-personnel combination; the production in a certain combined workshop are organized by two breeders all the year round to avoid the spreading into and out of the swine disease; the swine disease is cured. The method has easy and convenient operation, saved time, and improved labor efficiency. The possibility of the swine disease contact infection is reduced by 90%. The method is applicable to the intensified, modernized and large scale whole-course commercial meat hoggery, the farrowing hoggery and the feedstock hoggery.

The invention relates to a coding method for LDPC (low density parity check) code rapid information recovery specific to NAND-Flash memory medium. The coding method is based on a coding thinking of punctured LDPC code; a low information amount variable node of which voltage is located at an overlapping zone between states of NAND-Flash is classified into a set to preferentially update; a method for judging if the information amount is recovered is set up; after recovering the information amount of the variable node in the variable node set, the node is used for transmitting information to update other variable nodes. Therefore, the method can rapidly recover the information of the variable node with low information amount, prevent these variable nodes from outwards transmitting unreliable information, reasonably distribute updated resources, and promote the coding performance and rate of convergence.

The invention discloses a solar thermal seawater desalination device, which comprises a light transmission condensation plate, an evaporation chamber and a collection chamber from top to bottom in order. The evaporation chamber is internally provided with a photothermal evaporation material, and the light transmission condensation plate covers the evaporation chamber and guides condensed water tothe collection chamber. The photothermal evaporation material comprises a heat insulator and a light absorber covering the outer surface of the heat insulator, the light absorber is vertically oriented graphene with the surface modified by a hydrophilic functional group, the heat insulator is graphene foam, and the vertically oriented graphene and graphene foam are connected by a covalent bond. The solar seawater desalination device provided by the invention has the characteristics of simple structure and easy operation, can collect condensed water efficiently, solves the light blocking problem of condensed water and steam, and improves the stability and photothermal conversion efficiency of the solar thermal seawater desalination system.

The invention relates to a part temperature control device for grinding processing. In a grinding quench hardening processing course, the change of the surface temperature of a part directly affects the quality of a heat-treated layer on the surface of the part. A high-temperature heat pipe is a good device for controlling heat transfer; in order to keep the temperature change of the part in the grinding quench hardening processing course low, the high-temperature heat pipe comes into contact with a part to be ground; the surface temperature of the part is detected in real time during grinding processing by means of an infrared radiation thermodetector; the contact area of the high-temperature heat pipe with a connection block and a thermal conductive adhesive is adjusted by driving a transmission structure unit using a PID (Proportion Integration Differentiation) controller, so that thermal contact resistance is reduced to transfer excessive heat outwards; therefore, the surface temperature of the part is adjusted, the requirement of controlling surface quenching is met, and technical support and foundation are provided for realizing automatic control of grinding process; and theapplication of the device may produce excellent economic and social benefits.

The invention aims to provide a light-absorbing heat-insulating integrated photothermal evaporation material. The light-absorbing heat-insulating integrated photothermal evaporation material comprisesa heat-insulating body and a light-absorbing body covering the outer surface of the heat-insulating body; and the light-absorbing body is vertically-oriented graphene of which the surface is modifiedby a hydrophilic functional group, the heat-insulating body is graphene foam, and the vertically-oriented graphene is connected with the graphene foam through a covalent bond. The integrated photothermal evaporation material provided by the invention overcomes the problems of easy separation of a light-absorbing body and a heat-insulating body and heat loss caused by penetration of a liquid intothe heat-insulating body, improves stability and photothermal conversion efficiency of a local heating system, realizes fast and high-efficiency photothermal evaporation, has a simple preparation process, is easy to produce in a large scale, and can be applied to seawater desalination, sewage purification and high-temperature steam sterilization.

The invention discloses a full-automatic oil sealing type toilet bowl. The full-automatic oil sealing type toilet bowl comprises a bowl body, a bowl cover, a toilet bowl cushion, a waste discharge pipe, a tank cover, a waste paper pipe, a first oil sealing layer and a waste layer. An oil sealing cavity and a waste storage cavity are arranged inside the bowl body and communicated through a communication opening. The communication opening is formed in the bottom of the oil sealing cavity. The waste discharge pipe is arranged inside the waste storage cavity. The port of one end of the waste discharge pipe is located inside the waste storage cavity, and the other end is located outside the bowl body. The waste layer is arranged inside the oil sealing cavity and the waste storage cavity. The first oil sealing layer is arranged at the portion, above the waste layer, of the oil sealing cavity. The bowl cover is arranged on the top of the oil sealing cavity. The toilet bowl cushion is arranged between the bowl cover and the bowl body. The toilet bowl cushion and the bowl cover are connected through a connecting shaft. The connecting shaft is connected with the tank cover. The connecting shaft is located on a fixing base. The fixing base is located on the bowl body. The tank cover is located on the top of the waste storage cavity. The waste paper pipe is arranged on the tank cover. When the full-automatic oil sealing type toilet bowl is in use, no water is splashed, water is saved, no foreign smell is generated, cleanness and sanitation are achieved, and pipelines are not blocked during discharging.

The invention relates to the field of compressor technical equipment, in particular to a thermal insulation and noise reduction cylinder of a compressor. The cylinder comprises a cylinder body which is provided with a compression cavity, a gas inlet hole communicated with the compression cavity, a slide piece groove communicated with the compression cavity. The cylinder further comprises a thermal insulation and noise reduction piece which is used for slowing down heat exchange between the compression cavity and the outside world and is arranged on the cylinder body. According to the cylinder, the compression cavity of the cylinder of the compressor is isolated through the thermal insulation and noise reduction piece, heat exchange between the compression cavity and a shell of the compressor is avoided, and therefore heat in the high-temperature area in the shell of the compressor is effectively prevented from penetrating through the cylinder body to be transmitted to the compression cavity, it is also avoided that heat of a high-temperature cavity is transmitted into the shell of the compressor, it is avoided that refrigerant is heated and expanded before being compressed by a piston, and the overall performance of the compressor is improved. The thermal insulation and noise reduction piece can effectively prevent noise in the compression cavity from being transmitted outwards, and noise of the compressor is reduced.

The invention discloses a heavy-duty sound insulation electric sliding door. The heavy-duty sound insulation electric sliding door comprises sound insulation door panels and upper guiding systems installed at the tops of the sound insulation door panels, bottom walking wheel assemblies at the bottom and an electric control driving system. The upper guiding systems each comprise an upper guiding pre-embedded part, a guide rail bracket, a guide rail, a sound insulation encloser, a guide wheel and a door panel sealing system. The bottom walking wheel assemblies each include a lower sealing system, a bottom light rail pre-embedded part, a walking wheel, a light rail and a steel structure bracket. The sound insulation door panels are steel structure frameworks, and the sound insulation door panels can be filled with sound insulation materials aiming at corresponding sound insulation factors of different noise sources to isolate noise. The heavy-duty sound insulation electric sliding door realizes a good sound insulation effect indoors and outdoors, meanwhile, free movement or rotation motion of the heavy-duty sound insulation door is realized by driving the upper guiding systems and thebottom walking wheel assemblies at the bottom by the electric control driving system, and the problem that a current noise reduction gate has a high space occupancy rate, a low degree of electrical automation and a poor noise insulation effect is solved.

The invention relates to brick production equipment for construction waste recycling. The brick production equipment comprises a small stirring station and a brick forming machine, and further comprises a first conveying device used for conveying construction waste, a second conveying device used for conveying the construction waste conveyed out from the first conveying device to a feeing inlet ofthe small stirring station, a screening device arranged at a feeding inlet of the second conveying device and used for screening the construction waste, and a third conveying device used for conveying concrete processed from the small stirring station to the brick forming machine. The brick production equipment has the effect of being capable of screening the construction waste conveyed from thefirst conveying device to the second conveying device.

The invention discloses a sound attenuation device for an automobile engine. The device comprises an outer shell, an air inlet pipe is installed in the middle of the left end of the outer shell, and an air discharge pipe is installed at the right end of the outer shell; a cylindrical inner shell is installed in the shell, a vacuum cavity is formed between the outer side face of the inner shell andthe inner side face of the outer shell; hemispherical sound attenuation salient points are evenly distributed on the inner side face of the inner shell, a vertical circular partition plate is installed in the middle of the inner shell, first flow division holes are formed circumferentially in the circular partition plate at equal intervals, and the middle of the left side face of the circular partition plate is connected with the right end of the air inlet pipe. According to the sound attenuation device for the automobile engine, a second flow division hole is formed in the air inlet pipe connected with an air discharge port of the engine and used for conducting flow division on air so that the air can be evenly dispersed in a sound attenuation cylinder; first sound attenuation holes evenly distributed in the sound attenuation cylinder are used for conducting flow guide dispersion on the air, energy brought by the air cancels each other out, and the noise reduction aim is achieved.

A solar powered automobile exhaust circulating purification type multi-layer viaduct comprises a steel truss which is arranged above a viaduct and covers a bridge deck of the viaduct; solar power generating glasses are arranged at the top and the external side part of the steel truss; internal layer transparent plates are arranged at the bottom and on the internal side of the steel truss; automobile exhaust purification chambers are formed between the solar power generating glasses and the internal layer transparent plates; the internal sides of the bottoms of the left side and the right sideof the steel truss are connected with the bridge deck of the bottom layer of path layer of the viaduct through elastic sealing connecting bodies; a median with a hollow structure is arranged at the middle part of the bridge deck of the viaduct; and the top of the median protrudes out of a concrete structure upwards and extends into an ecological aeration layer. According to the solar powered automobile exhaust circulating purification type multi-layer viaduct, by using a closed system, automobile exhaust is collected; and by using an air purification module, the exhaust is purified; and therefore, the noise problem of heavy traffic is completely solved, large-area land resources of the viaduct can be sufficiently utilized to generate power, and the power generation is not affected by running vehicles.

The invention relates to the electric equipment technology field, and more particularly, to a sound insulation device for electric equipment. The sound insulation device comprises a sound insulation case. The bottom part of the sound insulation case is mounted on the base. The upper part of the sound insulation case is provided with an opening shape, and the opening part is sealed through a covering plate. The covering plate is of a vacuum structure. The sound-insulation case comprises a housing. The inner side of the housing is provided with a sound absorbing layer. Between the sound absorbing layer and the housing, sound insulation cottons are arranged. The four corners at the bottom of the inner side of the sound insulation case are all provided with support stunts. The top parts of the support stunts are fixedly provided with an installation plate. The support stunts are sleeved by vibration absorbing springs. The two ends of the vibration absorbing springs are connected with the installation plate and the sound insulation case respectively. The upper surface of the installation plate is provided with a recoil layer. The upper part of the recoil layer is provided with electric equipment. The upper part of the sound insulation case is provided with clamping blocks. The sound insulation device of the invention is simple in structure, is capable of effectively increasing the noise reducing effect, narrowing the pollution scope and ensuring the life of surrounding residents.

The invention discloses a compressor. The compressor comprises a shell, a compression mechanism, an upper support, a motor mechanism and a lower support, wherein the compression mechanism comprises a static scroll and a dynamic scroll; the shell is provided with a first opening and a containing space, and the first opening is located on one side of the containing space; the static scroll comprises a low-pressure side and a high-pressure side, wherein the low-pressure side is provided with vortex teeth, and the high-pressure side backs onto the vortex teeth; the dynamic scroll is located in the containing space, the side, provided with vortex teeth, of the dynamic scroll is opposite to the vortex teeth of the static scroll, and the vortex teeth of the static scroll and the vortex teeth of the dynamic scroll form a compression cavity; the upper support is fixedly connected to the low-pressure side of the static scroll; the motor mechanism is contained in the containing space, comprises a motor rotor and a motor stator and drives the dynamic scroll to rotate relative to the static scroll so as to compress refrigerants in the compression cavity, wherein the motor stator is connected and fixed to the upper support; and the lower support is located on the side, away from the first opening, of the containing space, serves as a part of the shell and is integrally formed with the shell.

Disclosed is an ultrasonic flow rate measurement unit comprising: a measurement flow path provided with a case that houses a pair of ultrasonic oscillators and through which passes a fluid to be measured; the pair of ultrasonic oscillators disposed in the measurement flow path; a propagation time measurement unit that measures the propagation time for transmission and reception between the ultrasonic oscillators; a measurement circuit substrate formed by a flow rate calculation unit that arithmetically calculates the flow rate of the fluid to be measured from the propagation time measured by the propagation time measurement unit; and a vibration absorbing material that is filled into a case that covers the pair of ultrasonic oscillators.

The invention discloses aluminum profile processing equipment with a noise eliminating function. The aluminum profile processing equipment comprises a box. An opening of the box faces towards the front side. The left end of the front side face of the box and the right end of a box door are rotationally connected through hinges. The upper surface inside the box and the fixed end of an electric cylinder are fixedly connected through a mounting frame. The telescopic end of the electric cylinder and the upper surface of a transverse plate are fixedly connected through a mounting frame. The noise insulation capability of the box is improved through a vacuum glass layer and a noise eliminating cotton layer; cloth strips in a material blocking device prevent noise from being transmitted out fromfeeding holes; the aluminum profile processing equipment with the noise eliminating function is high in noise reduction effect, and thus the psychological health of workers is ensured; an aluminum profile is cut in an airtight space formed by the box and the box door, chippings generated by cutting of the aluminum profile does not splash, and thus the personal safety of the workers is ensured; anda pressing plate adjusting device enables a pressing plate to move downwards to fix the aluminum profile, and the aluminum profile is firmly fixed, so that the cutting quality of the aluminum profileis ensured.

The invention relates to the technical field of kitchen utensils and in particular relates to a range hood. The range hood provided by the invention comprises a box body assembly and a flow guide plate mounted on the box body assembly, wherein a first air inlet mold cavity and a second air inlet mold cavity, which are convexly formed toward the direction of the box body assembly, are formed in theleft and right sides of the flow guide plate respectively; the first air inlet mold cavity and the second air inlet mold cavity are separated through a transverse beam; a first sound absorption module is arranged at one side, toward the box body assembly, of the transverse beam. According to the range hood with the structure, firstly, the transverse beam has a noise reflection effect and a phenomenon that radiation noises of a volute are directly transmitted out of the range hood can be avoided; secondly, the first sound absorption module arranged on the transverse beam is further used for eliminating noises so that the noise reduction effect of a whole body is easy to improve. Furthermore, double-cavity negative-pressure distribution is adopted and especially has extremely great lampblack gathering and lampblack suction advantages on double cooking stoves and a lampblack suction effect is good; a transverse beam structure is arranged in the middle so that the structure strength and the stability of the flow guide plate are extremely improved and the utilization reliability of the range hood is ensured.

The invention relates to a mask convenient for dining, which comprises a nose mask, a face mask and a protective cover which are attached to one another and can be combined or separated for use, metalstrips are arranged at the upper parts of the face mask and / or the nose mask; the upper part of the nose mask is adhered to the mask and the lower part of the nose mask is provided with a rubber bandfor constraining the nose mask; the mask comprises an upper semi-arc-shaped closing piece, a lower semi-arc-shaped closing piece and a spring clamp for starting the upper semi-arc-shaped closing piece and the lower semi-arc-shaped closing piece to be opened and closed oppositely. The upper closing piece and the lower closing piece are respectively adhered to the mask on the upper edge and the lower edge of the gap, the ends of the upper closing piece and the lower closing piece are hinged with each other, and the spring clamp is positioned on the hinge pin. The protective cover is in an outwards-warped semi-arc shape, and the protective cover is pasted to the upper closing piece. The nose mask always covers the nose, the spring clamp is pressed to enable the upper closing piece and the lower closing piece to be opened oppositely, feeding is facilitated, after the spring clamp is loosened, the chewing action can be conducted in the mask, the time for exposing the oral cavity outside isgreatly shortened, and the risk of respiratory disease infection is reduced.

The invention discloses a rotary screw air compressor with a long service life and relates to the technical field of rotary screw air compressors. The rotary screw air compressor with the long servicelife comprises a box body, wherein two air feeding holes are formed in the lower surface of the box body, an accommodating plate is arranged in the box body, a first accommodating groove is formed inthe upper surface of the accommodating plate, and an air compressor main body is arranged in the first accommodating groove. According to the rotary screw air compressor with the long service life, the air compressor main body, a motor, a fan blade, a sliding rod, a sliding sleeve, a spring and a shell body are mutually matched with each other; the motor can be controlled by a first switch to drive the fan blade to rotate to blow air to the air compressor main body; thus, flowing of air flow around the air compressor main body is quickened, so that the heat dissipation rate of the rotary screw air compressor is quickened; when the rotary screw air compressor disclosed by the invention meets vibration or the air compressor main body has vibration in work, the spring can buffer the vibration, so that collision between the air compressor main body and the box body can be prevented, internal parts of the air compressor main body and the box body are prevented from being damaged, and the service life of the air compressor main body can be ensured to a certain extent.

The invention discloses a mute power supply. The mute power supply comprises a base and a diesel generating set, wherein the upper end of the base is fixedly connected with a mounting frame, the innerside of the mounting frame is provided with a mounting plate, the diesel generating set is mounted on the mounting plate, the diesel generating set is connected with a fuel inlet pipe, a discharge outlet pipe and a wiring pipe, the fuel inlet pipe, the discharge outlet pipe and the wiring pipe penetrate through the lower portion of the mounting plate, a vibration reduction mechanism connected with the mounting plate is arranged on the base, an inner shell and an outer shell are fixedly mounted at the upper end of the mounting plate, the inner shell covers the outer side of the diesel generator set, the outer shell covers the outer side of the inner shell, and a partition plate fixedly connected with the outer shell is fixedly connected to the outer wall of the upper portion of the inner shell. According to the mute power supply, by arranging the vibration reduction mechanism, effective vibration reduction and silencing effects are achieved, meanwhile, noise leakage of air intake and exhaust is greatly reduced, effective sound absorption and noise reduction can be achieved, and the ultra-silence working effect is achieved.

The invention discloses a dedusting mechanism of a transverse cutting machine used for production of crush-resistant corrugated base paper. The dedusting mechanism comprises a transverse cutting machine body. Supporting columns are fixedly connected to the two sides of the top of the transverse cutting machine body. A transverse plate is fixedly connected to the tops of the supporting columns. A transmission mechanism is fixedly connected to the left side of the top of the transverse plate. A transmission roller is arranged on the inner sides of the supporting columns. Limiting bearings are fixedly connected to the two sides of the transmission roller. A limiting box is fixedly connected to the outer side of each limiting bearing. According to the dedusting mechanism, an air draft head isarranged to drive a wiping plate to move rightwards to wipe blades, removed scraps are collected by the air draft head and are transferred into a hose, the hose transfers the scraps into an exhaust fan, the exhaust fan transfers the scraps into an exhaust pipe, the exhaust pipe transfers the scraps into a dedusting box, the scraps are filtered through a filter screen in the dedusting box, and thus, an automatic dedusting effect is achieved.

The invention relates to the field of diesel generators, in particular to a high heat dissipation and silencing diesel generator set. A shell of a multi-layer structure is arranged outside a power generator set body, a medium for outward transmission of noise is lost through a vacuum layer, a further silencing effect is achieved through multiple sound absorbing layers, one side face of the shell is provided with an air inlet, the air inlet is provided with a condensing coil of a fan, external air is blown into the shell through the fan, air passes through the condensing coil, on one hand, moisture in air is condensed before entering the shell, on the other hand, air is cooled, therefore, cold air is blown into the shell, the generator set is cooled, the problem that components of the generator set are corroded through moisture in air is avoided, a silencer is arranged on an exhaust pipe of an engine, noise is prevented from being transmitted out from the exhaust pipe, and by means of the structural improvement, the diesel generator set has the effects of high heat dissipation and silencing.

The invention discloses an intelligent garbage can with odor automatic ultraviolet disinfection. The intelligent garbage can comprises a garbage can outer shell, a belt transmission set, an UV lamp main body, a controller main body and a sensor main body; a stable sleeve is fixedly welded on the inner side of the garbage can outer shell; an internal thread sleeve is mounted on a thread rod; a limiting groove is formed in a base; the base is fixedly welded on the bottom surface of the inner side of the garbage can outer shell; the top of the internal thread sleeve is connected with the bottom end of a support rod; and the top end of the support rod is mounted on the lower end surface of an inner can. The intelligent garbage can with odor automatic ultraviolet disinfection adopts novel structural design; the sensor can be used for monitoring the garbage can in real time; and when garbage in the garbage can is corruptive to generate odor, a holding structure can be driven to withdraw andseal, and meanwhile, a structure with a deodorization function can be started to eliminate foil gas so as to prevent influence on surrounding environments by the foul gas.

The invention relates to the technical field of air blower equipment, in particular to a low-noise air blower which comprises a rack, a power source mechanism, a linkage assembly, a fan blade, a flowguiding assembly and vibration absorption assemblies. The power source mechanism, the linkage assembly and the flow guiding assembly are located on the top part of the rack and are fixedly connected with the rack; the output end of the power source mechanism is connected with the stress end of the linkage assembly; the fan blade is located in the flow guiding assembly; the output end of the linkage assembly penetrates through the flow guiding assembly so as to be fixedly connected with the stress end of the fan blade; and the multiple vibration absorption assemblies are located on the bottom part of the rack and are fixedly connected with the rack. According to the technical scheme provided by the invention, a huge amount of air can be provided, and meanwhile, the generated noise is reduced.

The invention provides a pouring sealing method for an explosionproof LED lamp. The pouring sealing method comprises the following steps: A, preparing pouring sealing materials; B, stirring and mixing the pouring sealing materials in the step A according to a certain ratio, and uniformly stirring by using a small planetary stirrer; C, performing vacuum defoamation; D, performing pouring sealing operation on the LED lamp; E, curing. A pouring sealing structure is simple and convenient to use; a pouring sealing process for the explosionproof LED lamp is improved, so that the pouring sealing effect and the sealing performance are improved; by the pouring sealing method, compact structure, light weight, and mounting and maintaining convenience of the lamp become possible; by a gap pouring sealing process, an LED light source and circuit sparks are avoided from being transmitted out, so that a spark explosion phenomenon of a light source of the lamp in an explosive gas atmosphere is avoided; meanwhile, the structure of the lamp is improved, so that the illuminating rate is improved.

The invention discloses a psychological catharsis device. The psychological catharsis device comprises handles, a sound insulation plate, an air exchange device and a catharsis sand bag. The psychological catharsis device disclosed by the invention has the beneficial effects that a catharsis person opens a door through the handle and then enters the catharsis device; the sound insulation plate prevents sounds inside the device from being transmitted to the outer side and prevents the catharsis person from being disturbed by an external environment; the air exchange device on a top plate of thedevice keeps good ventilation of the device and attenuates sounds at the same time; a picture fixing plate is arranged at the head of the catharsis sand bag and is used for fixing a picture of a catharsis object; a decompression ball is arranged at the tail end of each arm of the catharsis sand bag and an elastic airbag on each decompression ball is pressed to realize catharsis; a pressure sensorlayer is arranged on a catharsis sand bag main body to record beating intensity; meanwhile, a sound box is used for carrying out psychological counseling on the catharsis person; strong magnets are arranged on a fixed base at the bottom of the catharsis sand bag and can convert impact on the sand bag into electric energy, and the change of a current is recorded through a memory; and various decompression manners are combined to help the catharsis person to express discomfort, and a peace mind of the catharsis person is rapidly recovered.

The invention discloses an efficient and environment-friendly automobile muffler. The efficient and environment-friendly automobile muffler comprises a shell. A sound absorbing layer is arranged in the shell. A water filtering layer is arranged at one end in the shell. One end of the water filtering layer is fixedly connected with an air inflow pipe. The air inflow pipe penetrates through the shell and stretches to the left side face of the shell. One end of the air inflow pipe is connected with one end of the water filtering layer. The other end of the water filtering layer is fixedly connected with one end of an activated carbon layer. The other end of the activated carbon layer is connected with one end of a diversion pipe and one end of a muffling plate. The other end of the diversion pipe is closed. A gap is reserved between the diversion pipe and the muffling plate. The other end of the muffling plate is fixedly connected with one end of a metal net layer. The other end of the metal net layer is fixedly connected with one end of a muffling cotton layer. The other end of the muffling cotton layer is fixedly connected with an exhaust pipe. The efficient and environment-friendly automobile muffler is simple in structure, convenient to use, efficient and suitable for being widely popularized, energy is saved, and environmental protection is facilitated.