217results about How to "Realize dustproof" patented technology

The invention discloses a second-level coal mine rescue robot system. The system comprises a detection robot and a carrying robot, wherein the detection robot detects related environmental information at a place where a coal mine accident occurs in real time; the carrying robot transports the detection robot to a place nearby the place where the coal mine accident occurs from the ground along the existing transportation channel which is formed in a coal mine underground tunnel and synchronously detects related environmental information in the coal mine underground tunnel in real time in the transportation process; and the carrying robot is a wheel robot and the detection robot is a crawler robot. The system has a reasonable design, high intelligentization degree and reliable working performance and is convenient to use and operate; and the carrying robot and the detection robot second-level robot system effectively solves the problems that: the underground conditions of a coal mine are severe, the place where the accident occurs is far away from a well head, the crawler rescue robot has a limited moving range and cannot effectively monitor the environmental information of the place where the accident occurs, and the like.

The invention discloses a head-mounted display and a dustproof method applied to the head-mounted display. The head-mounted display comprises a display screen, a display screen support, left and right eye lens groups, left and right eye lens group supports and left and right eye annular sealing soft rubber sleeves; and the display screen is fixed to the display screen support, the left and right eye lens groups are respectively fixed to the left and right eye lens group supports, the left and right eye lens group supports are installed on the display screen support and can slide left and right relative to the display screen support, and the left and right eye annular sealing soft rubber sleeves are disposed at installation connection portions between the lens group supports and the display screen support. The technical scheme provided by the invention achieves dust prevention between the display screen and the lens groups of the head-mounted display in the pupil distance adjustment process; and because the annular sealing soft rubber sleeves are thin and have large elasticity, borne resistance forces when the lens group supports slide relative to the display screen support are small, and hand feeling of the pupil distance adjustment is not influenced.

The invention relates to a resin composition and a method for preparing an FPC coverlay by using the same. The resin composition comprises the following components in part by weight: 50 to 70 parts of flexible saturated polyester, 30 to 50 parts of hard saturated polyester, 1 to 20 parts of enclosed isocyanate curing agent, 15 to 150 parts of pigment, 15 to 120 parts of inorganic filler, 0.5 to 2.5 parts of antifoaming agent, and 5 to 30 parts of organic solvent. The resin composition is applied to the FPC coverlay in a flexible printed circuit. The resin composition has the characteristics of excellent weather resistance, high covering power, high flexibility and adhesiveness, and the like. The method for preparing the FPC coverlay by using the same can realize the one-off coating of the FPC coverlay on the flexible printed circuit, has the advantages of simple manufacturing method, low cost and high yield, and can realize the continuous production and obviously improve the production efficiency. The FPC coverlay produced by the method can improve the contrast ratio of an LED rope light under the action of an insulating base film besides excellent dust prevention, corrosion resistance, weather resistance and other characteristics.

The invention discloses a soft strip LED light, which comprises a hollow stripy shell, wherein, a strip-shaped circuit board is arranged inside the shell; both ends of the shell are enclosed with a closing cap; the circuit board is connected electrically with a lead running through the closing cap; and the circuit board is provided with an LED module. The invention also discloses a manufacturing method and a manufacturing device of the soft strip LED light; the soft strip LED light is filled with glue and packaged on a glue filling die carrier; the circuit board in the shell and the LED module are filled with glue and packaged in an integrative way, and the glue is solidified, therefore the soft strip LED light is waterproof and dustproof. As the circuit board and the LED module are packaged by glue, when the shell and the circuit board are partially punctured or cut into halves, the soft strip LED light can still be used normally; when being cut into halves, all the parts of the circuit board and the LED module are kept intact and can be used normally after being connected.

The invention discloses a mobile power pack having a wireless emission receiving function. The mobile power pack comprises a mobile power pack housing body. A cell, a common coil and a control device are arranged in the mobile power pack. The control device comprises a charging / discharging control circuit, a wireless charging emission / receiving control circuit, a wireless charging emission drive circuit and a wireless charging receiving / rectifying circuit. The cell is bidirectional connected with the charging / discharging control circuit. The output end of the charging / discharging control circuit and the output end of the wireless charging emission / receiving control circuit are connected to the input end of the wireless charging emission drive circuit. The output end of the wireless charging emission drive circuit is connected to the input end of the common coil. The output end of the common coil is connected to the input end of the wireless charging emission drive circuit and the input end of the wireless charging / rectifying circuit. The output end of the wireless charging emission / receivingcontrol circuit is connected to the input end of the wireless charging receiving / rectifying circuit. The output end of the wireless charging receiving / rectifying circuit is connected to the input end of the charging / discharging circuit control circuit.

The invention discloses an intelligent conductive composite material and a preparation method thereof. The intelligent conductive composite material is characterized by adopting a closed multi-layer structure, wherein the outer layer is a solid conductive composite material and the inner layer is a liquid conductive composite material. The outer layer conductive composite material consists of the following components in percentage by weight: (1) 20wt% to 60wt% of electric / magnetic conductive particles, (2) 35wt% to75wt% of liquid silicon rubber, (3) 1.0wt% to 5.0wt% of a cross-linking agent and (4) 0.1wt% to 0.2wt% of an add; the inner layer conductive composite material consists of the following components in percentage by weight: (1) 20wt% to 60wt% of electric conductive particles and (2) 40wt% to 80wt% of an organic solvent. According to the intelligent conductive composite material disclosed by the invention, the structure and organization form of the material are configured and optimized by using an more accurate method in the term of the interior of the microstructure of the material according to a method of inducing interior particles of the material; according to the attributes of the microstructure of the material, the material structure is automatically optimized and arranged, so that the material is adapted to a relevant electromagnetic environment and the performances of the material are effectively improved.

The invention discloses a method for aluminum ash treatment and recycling use. Through combination of an aluminum ash heat recovery process and an aluminum ash cold recovery process in a current production system and utilization of a dedusting system and multiple waste use processes, the method effectively solves the problem that environmental pollution, resource wasting and a cost are increased, realizes recycling use of treated alumina and fluoride salts, and has obvious economic benefits.

The invention discloses a jacquard electromagnet assembly which comprises a manual hole (31), an iron hook (32), a plastic hook (33), an electromagnet (34), a spring (35) and a dustproof shell (36) which is installed on the tail of the electromagnet assembly. The invention can effectively prevent dust from entering a transmission mechanism to form oil stains through the dustproof shell (36), and can carry out regular production without the cleaning operation; the iron hook (32) can be operated through the manual hole (31), thereby being convenient to dismount and maintain; the power arm of the iron hook (32) is extended, thereby enhancing the energy utilization efficiency; and the linear diameter of the electromagnet (34) is enlarged, thereby reducing the energy loss. The jacquard electromagnet assembly of the invention has the advantages of dust prevention, convenient demounting and maintenance, energy conservation and consumption reduction.

The invention relates to an anti-blocking highway information board with a protection function. The anti-blocking highway information board with the protection function comprises an upper horizontal board, a lower horizontal board, a display board, an antenna, a cleaning box, a protection mechanism and two pillars. The cleaning box is internally provided with a cleaning mechanism, the cleaning mechanism comprises a lifting assembly, a lifting plate, a translating assembly, a translating plate, a cleaning assembly and two connecting rods. The protection mechanism includes a hinged assembly, a first blocking plate, an extension assembly and two driving assemblies. Each driving assembly includes a first motor, a bearing, a first driving shaft, a moving block and a supporting rod. The anti-blocking highway information board with the protection function removes debris adsorbed on the surface of the display board through the cleaning mechanism, and blocking of the information board by the debris is prevented so that people can observe conveniently; and moreover, in hail weather, the upper part of the display board is shielded by the first blocking plate and the second blocking plate through the protection mechanism, the display board from being damaged by the hail is prevented to ensure safe operation of the equipment, and the practicability of the equipment is improved.

The invention provides a shutter-type protective device used for a primary lens cone of a telescope, and belongs to the technical field of researches of optical measurement equipment. The shutter-type protective device comprises a guide rail sealing structure and a shutter-type execution structure, the guide rail sealing structure comprises a lower guide rail, an upper cover plate, a U-type sealing strip and a B-type sealing strip, and the shutter-type execution structure comprises four supports, two reels, a shielding cloth and a handle. By rotation of the handle, the device can be matched with the work state of the telescope to be opened and closed and basic dustproof and waterproof functions are achieved in a closed state.

An anti-electric-shock, anti-dust and anti-falling-off socket comprises a surface cover, a bottom cover and contact piece electrodes. The surface cover and the bottom cover are connected into a shell in a buckled mode, jacks are formed in the outer surface of the surface cover, and the contact piece electrodes are correspondingly arranged in the jacks. Particularly, the socket further comprises a locking device used for clamping and fixing and an anti-electric-shock anti-dust device used for preventing dust and foreign matter from entering the jacks, and the locking device and the anti-electric-shock anti-dust device are both arranged in the shell. According to the socket, the locking device is arranged, and a metal anti-falling-off piece can be controlled to clamp or release a plug of an electrical appliance through a key of the locking device; when the metal anti-falling-off piece is in a clamped state, the plug of the electrical appliance cannot be pulled out, the close combination of the plug and the socket is guaranteed, and falling off of the plug can be effectively prevented; the locking device is simple in structure and less in part, easy and convenient to manufacture and low in manufacturing cost; in addition, by arranging the anti-electric-shock anti-dust device, the functions of anti-electric-shock, anti-dust and anti-foreign-matter can be effectively achieved under the condition of under the condition that extra parts such as an anti-dust cover are not additionally installed.

The invention relates to the technical field of door locks, in particular to a safety protection intelligent door lock for a smart home. The door lock comprises a lock body, a fingerprint identifier main body, a cleaning mechanism, a driving mechanism and a control mechanism; an operation surface of fingerprint identification can be embedded into the lock body, so that the dustproof and waterproofprotection for a fingerprint identification probe is realized; when a finger of a user has water, the finger can be dragged obliquely and downwards along a sponge column, so that the water on the finger is absorbed by a top area of the sponge column; when the sponge column rotates around an installation plate, a bottom area of the sponge column also rotates, the water on the fingerprint identification probe is absorbed away and dust is wiped off, so that synchronous cleaning of the finger and the probe is realized, and the finger can be rapidly wiped to be dry and the fingerprint identification is performed under the condition that the finger has the water; and the cleaning mechanism can be quickly reset under the pushing of a spring, so that daily operation is not affected.

The invention discloses a flat plate loop heat pipe-based closed chassis cooling system capable of achieving closed design of a cooling chassis on the basis of solving the cooling problem of a high-power component. The closed chassis cooling system comprises a closed chassis, radiating fins arranged outside a closed chassis, and more than one set of flat plate loop heat pipes arranged in the closed chassis, wherein an evaporator of each flat plate loop heat pipe is clung to a to-be-cooled device in the closed chassis; the closed chassis comprises a movable side plate, a chassis frame and a cooling side plate; one end of the chassis frame is closed through the movable side plate and the other end is closed through the cooling side plate; and the radiating fins and condensers of the flat plate loop heat pipes are integrated on the cooling side plate. According to the cooling system, heat is transmitted to the outside of the chassis for discharging through the flat plate loop heat pipes, the closed design of the chassis is achieved, dustproof and dampproof effects of the chassis are achieved, the service life of corresponding equipment can be prolonged, and the reliability and the adaptability on complicated and harsh operating environments can be improved.

The invention discloses self-repairing resin, coating and film as well as a preparation method and application of the film, and belongs to the technical field of coatings. The self-repairing resin comprises the following components, in parts by weight: 30-50 parts of an oligomer, 3-20 parts of a curing agent and 20-70 parts of a solvent, wherein the oligomer is a double-layer carbon long-chain structure containing a curable functional group. According to method provided by the invention, the double-layer carbon-carbon long-chain structural oligomer containing the curable functional group is added, so that the wear-resistant, elastic and self-repairing product can be obtained.

The invention discloses a dustproof type intelligent household control switch. The switch includes a switch socket body. The switch socket body is provided with a jack area, a storage seat, a supporting seat, a switch area and a drive seat; a dust block curtain is disposed inside the storage seat; the dust block curtain includes a reel roller, curtain cloth and a heavy roller; the curtain cloth iswound around the reel roller, and two ends of the curtain cloth are respectively fixedly connected with the reel roller and the heavy roller; limit rods are disposed on on both sides of the heavy roller; guide holders are disposed on both sides of the jack area; a shaft body in the reel roller is connected with a control motor with a time relay and a contactor by a gear assembly; and the controlmotor is started synchronously with a power supply of the switch socket body through a power supply wire. Through arrangement of the dust block curtain in the storage seat above jacks, when a switch power supply is started, the control motor is started synchronously to drive the dust block curtain to wind up, thus facilitating insertion of a plug; when the plug is not inserted, the dust block curtain stretches downwards under the gravity action of the heavy roller to shield the jacks, and so, dust prevention is effectively achieved, and fingers of children are prevented from stretching into the jacks.

The invention mainly aims at providing a blackboard eraser which can realize a dustproof (environmental-friendly) effect and has a simple structure. In order to achieve the goal, the blackboard eraser comprises a front shell (1). An erasing body installation part is formed on the front surface of the front shell. An erasing body is installed on the erasing body installation part. A rear shell (2) is installed on the back surface of the front shell. A water containing chamber (11) which is used for containing water is formed between the front shell and the rear shell. A water supply passage (12) is arranged at the lower part of the water containing chamber and is provided with an inlet (12a) and an outlet (12b), wherein the inlet is arranged at a position adjacent to the rear shell and the outlet is communicated with the erasing body installation part to supply water to the erasing body.

The invention discloses a three-proofing mobile phone protecting shell, comprising an upper shell, wherein a buckling bottom cover is arranged below the upper shell; the upper shell comprises a hard middle frame, a transparent window sheet fixedly covered on the hard middle frame, and soft housings arranged on the outer wall of the hard middle frame and the edge of the transparent window sheet; a plurality of key through holes are formed in the lateral wall of the hard middle frame; a key area is arranged on each soft housing; the key area is embedded into each key through hole. The invention also discloses a processing mold of the three-proofing mobile phone protecting shell and a manufacturing method of the three-proofing mobile phone protecting shell. The three-proofing mobile phone protecting shell not only has the waterproof, dustproof and anti-dropping effects, but also can conveniently operate the mobile phone contained in the protecting shell, thus the three-proofing mobile phone protecting shell is convenient to use, and is beautiful in appearance.

The invention relates to a heat dissipation and dust removal device for electromechanical equipment. The head dissipation and dust removal device comprises a shell, heat dissipation units, a heat conducting unit and a dust removal unit; a horizontally-arranged hollow installation plate is fixedly installed in the middle of the shell, two side plates are fixed to the top of the installation plate,and the side plates, the installation plate and the shell jointly form a space for containing the electromechanical equipment; the heat dissipation units comprises first heat dissipation units arranged on the side plates and second heat dissipation units fixedly arranged at the bottom of the installation plate; the heat conducting unit is cyclically arranged on the upper portion of the shell, andcooling liquid cyclically flows in the heat conducting unit; the dust removal unit comprises a dust removal net, a detachable sweeping unit for sweeping dust accumulated on the dust removal net and adust suction unit for sucking dust. Compared with the prior art, by means of the heat dissipation and dust removal device, the electromechanical equipment can achieve the advantages of being good in dust removal and heat dissipation effect and the like.

The invention provides a mobile terminal and a data transmission method used for the mobile terminal. The mobile terminal comprises a shell, a wireless charging module, a touch key, a wireless transmission module and a control module, wherein the touch key is arranged on the surface of the shell and is used for receiving a touch command of a user and sending the touch command to the control module; the wireless transmission module is arranged in the shell and comprises a modulation-demodulation submodule and a sending submodule, wherein the modulation-demodulation submodule is used for modulating to-be-transmitted data stored in the mobile terminal to a first 60GHz millimeter-wave radio frequency signal to obtain a modulated first 60GHz millimeter-wave radio frequency signal, and the sending submodule is used for sending the modulated first 60GHz millimeter-wave radio frequency signal to a first target mobile terminal; the control module is used for receiving the touch command sent by the touch key and controlling the mobile terminal according to the touch command. Through the mobile terminal and the data transmission method used for the mobile terminal, water resistance, dust resistance and drop resistance of the mobile terminal can be realized, and meanwhile, the data transmission rate can be enhanced, and the using experience of the user is effectively promoted.

The invention provides a VCSEL array packaging structure based on the optical encapsulation process and a high-power VCSEL laser device of the VCSEL array packaging structure. In the VCSEL array packaging structure, a VCSEL array is packaged on a laser device heat sink, the surface of the VCSEL array is covered with a layer of optical pouring sealant, and the VCSEL array is completely covered with the optical pouring sealant. By introducing the encapsulation process to the sealing process of the VCSEL laser device, the sealing problem of the VCSEL laser device is effectively solved. In addition, by adjusting the shape and the type of the optical encapsulation sealant, the interface incidence loss between a VCSEL chip and optical windows can be greatly reduced through the combination with different optical windows, and the transmittance of the laser device is further improved. Meanwhile, the high-thermal-conductivity optical encapsulation sealant has a certain heat conduction effect and a certain cooling effect on the optical windows at the same time, and the optical windows are prevented from heating under the high-power condition.

The invention discloses a multi-waveband full semi-conductor laser with indication light. The multi-waveband full semi-conductor laser with the indication light comprises a medium wave infrared semi-conductor laser, a medium wave infrared laser collimator, a medium wave beam combiner, a short wave infrared semi-conductor laser, a short wave infrared laser collimator, a short wave beam combiner, anindication light semi-conductor laser, an indication light collimator and a visible light reflector. The medium wave infrared laser collimator and the medium wave beam combiner are successively positioned in a light path of emergent light of the medium wave infrared semi-conductor laser. The short wave beam combiner and the short wave infrared laser collimator are successively positioned in a light path of emergent light of the short wave infrared semi-conductor laser. The indication light collimator and the visible light reflector are successively positioned in a light path of emergent lightof the indication light semi-conductor laser. Indication light reflected by the visible light reflector successively penetrates through the medium wave beam combiner and the short wave beam combiner,and is coaxially output after beam-combined with a medium wave infrared laser and a short wave infrared laser. The multi-waveband full semi-conductor laser with the indication light is capable of using visible light as the indication light, and enabling a multi-waveband laser to be coaxially emitted.

The present invention relates to the field of smart home technology, and discloses a heat-radiating and anti-falling router. The heat-radiating and anti-falling router comprises a router body, a heat-radiating port is arranged at the surface of the router body, anti-falling sleeves are respectively fixedly installed at four corners of the router body, the router body is provided with a reset key,and one side of the reset key is provided with network cable holes. The anti-falling router drives the rotation of a rotating shaft through a motor installed at the bottom portion, drives the rotationof a fan blade through the rotating shaft, employs the fan blade to perform heat radiation of the internal portion of the router, employs a filter screen and a dust screen to exhaust hot air, employsthe heat-radiating port to perform secondary heat radiation of the router, employs a cooling fan and the filter screen to achieve dust prevention and heat radiation of the router and employs anti-falling sleeves installed at four corners of the router to avoid part damaging after the router is fell off, and therefore, the anti-falling router is simple in structure composition, convenient to use and very wide in application prospect.

The invention discloses a control method and charging method for a multifunctional charger baby. The multifunctional charger baby includes a body, wherein electric quantity indicating lamps are arranged on the surface of the body; and a charging access port, a plurality of USB charging output interfaces, a safety hammer, light groups, a broadband network interface, a one-key alarm switch, a torch switch, a flash lamp switch and a safety hammer starting switch are arranged at the side edge of the body of the charger baby. The charger baby has functions of one-key alarm, torch starting, flash lamp starting and safety hammer starting, and can support both the wired and wireless modes to charge. The charger baby has the advantages of being small in volume, being simple in structure, being easy and light to carry and being multi-functional, so that the practicality of the charger baby product can be greatly increased and the charger baby is convenient for a user to carry when going out or in the rainy day and can be waterproof, dustproof and anti-smog; and electric leakage can be avoided so that the charger baby is very safe.

The invention belongs to the technical field of sound collection, and specifically relates to a microphone-based structure assembly, and a sound box. The microphone-based structure assembly comprises:a housing comprising a bearing layer on the outer side and a sealing and damping layer on the inner layer, wherein the bearing layer and the sealing and damping layer are of an integrally formed structure, a through hole is formed in the housing, and the through hole penetrates through the bearing layer and the sealing and damping layer in sequence to form a pickup channel with a first port and asecond port; and a microphone arranged at the second port of the pickup channel and in interference fit with the sealing and damping layer. According to the microphone-based structure assembly provided by the invention, the bearing layer and the sealing and damping layer of the housing are integrated, so that the formed pickup channel has no hollow cavity, in this way, the echo generated by the hollow cavity is eliminated, and the accuracy of voice recognition is improved; and in addition, the assembly step of the sealing and damping component is simplified, and the assembly efficiency of thestructure assembly is improved.

The invention discloses an automobile sunshade electrical protective device, which comprises a support, driving devices, sunshade sail components and a sunshade device case; a liner board is arranged in the sunshade device case to separate the case body into an upper layer and a lower layer; front and back driving devices are arranged under the liner board; sunshade sail components are arranged above the liner board; the sunshade device case is fixedly arranged at the top of the automobile through the support; the driving devices comprise a motor, a worm gear component, a connecting rod, a worm shaft and a rack component; the motor output is connected with the gear; the worm is sleeved on the connecting rod; the gear and the worm are matches to drive the connecting rod to rotate; a plurality of worm shafts are sleeved on the connecting rod; the worm shafts drives the worms; the soft racks are arranged coaxially with the worm; the soft racks are connected with telescopic bars; clamping nips are arranged on the head of a plurality of telescopic bars to connect with the sunshade sail part of the sunshade sail component; the sunshade sail component comprises a sunshade sail and a sunshade sail roller; the tail part of the sunshade sail is arranged in the roller. The automobile sunshade electrical protective device has the advantages of simple structure and convenient operation, and has sunshade, sunscreen and dustproof functions for automobiles.

The invention discloses an inclined foldable mosquito net. The inclined foldable mosquito net comprises a fixed support vertically fixed to one side of a bed body, a first movable support of which one end is hinged to the fixed support, and a first mosquito net sleeving between the fixed support and the first movable support, wherein the top surface of the first mosquito net adopts a planar inclined structure which is inclined to one unfolding side of the first movable support. When the inclined foldable mosquito net is in use, the first movable support drives the first mosquito net fixed to the first movable support to rotate around a hinged seat of the fixed support to be unfolded and flatly placed and perpendicular to the fixed support. When the inclined foldable mosquito net is not in use, the first movable support drives the first mosquito net fixed to the first movable support to rotate around the hinged seat of the fixed support to be vertical and then folded into the fixed support. According to the inclined foldable mosquito net, the automatic folding function can be realized through only the fixed support and one group of movable supports, as well as a contractile stay cord device, the use is as convenient and quick as the folding operation, folding can be realized freely, and the full-automatic or remote-controlled folding function of the mosquito net can be achieved in the mode that a micro motor drives a stay cord.

The invention discloses a detection system for chromatic aberration of tiles. The system comprises a first black box body, a second black box body, a first shooting light source, a second shooting light source, a first camera, a second camera and a conveyer belt, wherein the inner walls of the first black box body and the second black box body are coated with anti-transparent coatings; a first inlet and a first outlet are oppositely formed on the side wall of the first black box body; a second inlet and a second outlet are oppositely formed on the side wall of the second black box body; the first shooting light source is arranged on an inner side wall of the first black box body; the second shooting light source is arranged on the inner side wall of the second black box body; the first camera is arranged on an inner top wall of the first black box body; the second camera is arranged on the inner top wall of the second black box body; the conveyer belt is arranged under the first black box body and the second black box body. The detection system can be adopted for effectively reducing interference factors, increasing the stability and consistency of the collected images of the tiles and reducing the error sorting rate and error judging rate of the tiles.

The invention relates to a reliable blind mating electric connector and a blind mating method, belonging to the technical field of electric connection. The invention solves a technical problem in theprior art that the electric connector correct an axial abutment dimension error and a radial abutment dimension error in an application scenario without a manual operation space and a problem of blocking and protecting an abutment surface of the electric connector in the application scenario without the manual operation space. A reliable blind mating device of the electric connector comprises a plug and a socket, wherein the plug is provided with a trigger device, the socket is provided with a protection device, the trigger device is matched with the protection device, the protection device isused for blocking and protecting the electric connector, and a spring installation stud is installed on the plug and is used for correcting the axial abutment dimension error of the electric connector. The electric connector can be blind mated reliably and has a longer service life.

The invention relates to the field of head-mounted display equipment, and in particular, relates to a dustproof structure used for a head-mounted display. The dustproof structure comprises a display screen, a display screen bracket, a left lens, a right lens, a left lens frame, a right lens frame, a dustproof piece and an eye shield, wherein the display screen is fixed on the display screen bracket; a dustproof groove used for installing the dustproof piece is formed in the display screen bracket; the left lens is installed on the left lens frame, and the right lens is installed on the right lens frame; the left lens frame and the right lens frame are installed on the display screen bracket, and are in contact with the dustproof piece in the dustproof groove; and the eye shield is pressed on the left lens and the right lens, so that the left lens frame and the right lens frame are pressed on the dustproof piece with proper pressure. The dustproof structure provided by the invention makes full use of physical connection relationships among the components through reasonable design, simplifies the space layout, and has the advantages of simple structure and good dustproof effect.

The invention discloses an installation assembly of an automotive electric control box, comprising a control box and a front-wheel convex hall, wherein the upper part of the front-wheel convex hall is provided with a convex hall installing seat; and the control box is provided with a control box body, an upper cover and a lower cover, wherein the upper cover is buckled on the upper part of the control box body, and the lower cover is buckled on the bottom part of the control box body. The installation assembly of the automotive electric control box is characterized in that two L-shaped supporting feet are fixed on the positive surface of the control box body, soles of the two L-shaped supporting feet are fixed on the front-wheel convex hall by bolts, the negative surface of the control box body clings to the convex hall installing seat, two plugs are fixed on the negative surface of the control box body, two plug holes are arranged on the convex hall installing seat, and the plugs areinserted into the plug holes. The invention has simple structure, reduces the installing and replacing difficulty of the electric control box, improves the assembling efficiency, reduces the cost, realizes the uniform heat dissipation of the electric control box and increases the effects of water resistance, dust resistance and heat dissipation of the electric control box.