44results about How to "Realize waterproof and dustproof" patented technology

The invention discloses an E-band wide beam antenna, comprising a feed source assembly, a medium filling block and a reflection surface. The feed source assembly comprises a waveguide transmission cavity and a loudspeaker feed source. The loudspeaker feed source is connected with the waveguide transmission cavity. The medium filling block is nested in a loudspeaker opening of the loudspeaker feedsource. The reflection surface receives electromagnetic waves radiated by the loudspeaker feed source, thereby carrying out reflection to transmit the electromagnetic waves externally. The loudspeakerfeed source is located at a focus position of the reflection surface. An E-band wide beam antenna device provided by the invention comprises the E-band wide beam antenna and an exposure unit which are fixed on a lifting rod through a hanger. According to the E-band wide beam antenna and the antenna device, a wide half-power angle is achieved, so shake influence can be effectively resisted; the performance is excellent; a standing-wave ratio is low; the return loss is low; the gain is high; an antenna size is relatively small and compact; a structure is reliable; a windward area is reduced; the wind resistance ability is relatively high; the weather resistance ability is excellent; the cost is low; the electrical performance can be ensured; and the antenna can be prevented from being influenced by a complex and hostile environment.

The invention relates to the technical field of electronic devices, and discloses a wireless charging hearing aid, which comprises a shell, an inner shell arranged on the inner surface of the shell, arechargeable battery assembled on one side of the inner shell, a bracket connected with the rechargeable battery, and a control key movably connected with the bracket. According to the wireless charging hearing aid, induction current is obtained by utilizing an electromagnetic induction technology, so that a built-in battery is charged. Internal components of the shell do not need to be in contact with an external charging head, the sealing performance of the shell is better, complete waterproof and dustproof effects are achieved, and the use adaptability of the wireless charging hearing aidis improved. Due to the fact that the shape and the number of layers of the receiving coil can be flexibly designed according to requirements, and meanwhile the magnetic conductive sheet is adopted toshield the induced magnetic field, the electromagnetic induction efficiency is improved, the negative influence of the induced magnetic field on other components is avoided, all the components in theshell can be arranged at will, and the flexibility of overall appearance design is improved.

The invention discloses an electronic watch, which comprises a housing, wherein a transparent layer is fixedly arranged in the middle of the housing; the two ends of the housing are each provided withtwo fixing strips; a first watchband and a second watchband are arranged on the two sides of the housing respectively; first rotating shafts are arranged at joints of the first watchband and the twofixing strips at the corresponding positions and joints of the second watchband and the two fixing strips at the corresponding positions respectively; and a frame body is arranged on the section, awayfrom the first watchband, of the second watchband. According to the electronic watch, the first watchband is inserted into the frame body; an insertion strip on the second rotating shaft is insertedinto an insertion opening; the first watchband and the second watchband are adjusted by inserting the insertion strip into different insertion openings, such that the first watchband and the second watchband are suitable for wrists with different thicknesses, when adjustment is completed, the insertion strip is in lap joint with a notch, meanwhile, the end, away from the housing, of the first watchband is inserted into a sliding sleeve, a displayer is observed through the transparent layer, and time observation is achieved.

The invention relates to an ultrathin backlit laser waterproof keyboard and a production method thereof. The laser waterproof keyboard is formed by a one-piece button, a button square support, a printed circuit film located below the one-piece button and a keyboard base plate supported below the printed circuit film. The one-piece button is formed through carrying out hard and soft glue secondary injection molding on several hard glue button surfaces and several soft-rubber concave connection bodies possessing elasticity. The button square support is one rigid panel. The rigid panel is provided with several square through holes which form one-to-one correspondence with the hard glue button surfaces. By using the above structure and the method, the keyboard possesses the following advantages that the one-piece button is not shifted because of deformation when being pressed; secondary injection molding is realized through the hard and soft glue; and dustproof and waterproof performance can be realized. Cost is low, and assembling is simple and convenient. Keyboard characters are not abraded and possess a stereoscopic impression.

The invention relates to a microcrystalline surface LED display screen, which comprises a PCB, LED lamp beads, a mask and a microcrystalline layer, and is characterized in that the LED lamp beads arearranged on the PCB in an array manner; lamp holes corresponding to the LED lamp beads are formed in the mask, and each LED lamp bead corresponds to one lamp hole and penetrates out of the lamp hole.The mask and the LED lamp beads are packaged on the PCB through the microcrystal layer, and glass beads are arranged in the microcrystal layer. The mask and the LED lamp beads are packaged on the PCBthrough the microcrystal layer, so that the waterproof and dustproof effects are realized, the wear resistance and scratch resistance can be realized, and the surface protection capability of the microcrystal surface LED display screen is greatly enhanced.

The invention discloses a minitype car ignition switch device which comprises a rear cover assembly and a contact bridge assembly; the contact bridge assembly comprises a contact bridge body, a contact bridge working face, an elastic sheet and a regulation contact; the contact bridge working face is arranged on the front side of the contact bridge body in a protruding way, the elastic sheet is arranged on the back surface of the contact bridge body, one end of the elastic sheet is fixed on the contact bridge body, the other end of the elastic sheet is fixedly connected with the regulation contact which is arranged on the contact bridge working face, a through hole for allowing the regulation contact to pass through is formed on the position of the contact bridge working face corresponding to the regulation contact, the rear cover assembly and the contact bridge assembly are matched for use, the middle part of the contact bridge assembly is provided with a rotary interface, and five contacts are arranged on the rear cover assembly. Due to the ignition switch, the one-time pass rate of the produced product is increased, the current situation of high aftersale failure rate is changed, and meanwhile, the waterproof and dustproof purpose is achieved and the service life of the product is prolonged.

The invention discloses an intelligent busway, which includes a busway, a phase row, a PE row and a connector assembly. There are four phase rows, which are divided into two groups and arranged symmetrically on the left and right sides of the inner wall of the busway. The PE row described above is arranged on the upper or lower side of the inner wall of the bus duct; the connection end of the PE row is provided with a PE row connector; the connection end of the corresponding row is provided with a row connector; the connector assembly includes a left connector , the right connector and the connector cover, the bottom of the left connector is provided with a left connector lower support, the bottom of the right connector is provided with a right connector support, and the connector cover is provided on the top of the assembled left connector and right connector; the connector assembly is arranged between adjacent bus ducts, and the front and rear ends of the connector assembly are respectively connected to the adjacent bus ducts through connecting rods; the present invention It has the following advantages: small space occupation, high protection level, high reliability, convenient installation, and high flexibility in taking power.

The invention provides a waterproof and dustproof device of an informatization power supply for an individual soldier. The waterproof and dustproof device comprises an elastic hooping mechanism, a main shell and a waterproof rubber pad, wherein an inputting joint and an outputting joint are hooped by the elastic hooping mechanism; the main shell and the waterproof rubber pad are embraced; a sealing cavity for sealing a mobile power supply is formed between the main shell and the waterproof rubber pad; the elastic hooping mechanism comprises an inputting clamping head, an outputting clamping head and an elastic rubber ring; the elastic rubber ring twines the inputting clamping head and the outputting clamping head in a tensioned manner; and the inputting clamping head and the outputting clamping head are respectively positioned at two ends of the waterproof rubber pad. The waterproof and dustproof device of the informatization power supply for the individual soldier has the advantages that the mobile power supply is sealed through the main shell and the waterproof rubber pad, the inputting joint of the mobile power supply is clamped on the waterproof rubber pad through the inputting clamping head, the outputting joint of the mobile power supply is clamped on the waterproof rubber pad through the outputting clamping head, so that a waterproof and dustproof effect of the mobile power supply is achieved, outdoor application of the mobile power supply is expanded, and the waterproof and dustproof device is not affected by an outdoor environment.

The invention discloses a method and a device for setting cryptographic key factors of dynamic tokens, wherein the method comprises the following steps: receiving cryptographic key data outputted by a first intelligent cryptographic key device by a second intelligent cryptographic key device; and generating cryptographic key factors according to the cryptographic key data. By using the method and the device provided by the invention, the sealing of a dynamic token can be achieved without arranging an opening which is used for programming cryptographic key factors on a shell of the dynamic token.

The invention discloses a stereo panoramic camera with bidirectional support and heat dissipation structure, and relates to the technical field of panoramic cameras. The invention includes a dish-shaped shell, an installation panel, a side video module, an upper video module, a lower video module, a first panel, a second panel, a partition board, a cooling fan, a lithium battery, and a processor. During the lifting shooting, the lifting structure is matched with the first threaded mounting ring to carry out the lifting shooting; when the high-level flight shooting is carried out, the lifting structure is mounted by the UAV and the second threaded mounting ring is used for lifting shooting; the cooling fan rotates The air is returned to the outside from the outside through the first air hole, the cavity, the first air hole, the casing chamber, the second air hole, the chamber, and the second air hole in order to form a heat dissipation closed circuit cycle. The invention can adapt to different shooting requirements, has a delicate structure design, realizes wired signal input and output control, has strong control efficiency and ability, can efficiently dissipate heat, is waterproof and dustproof, and has a long service life.

The invention provides a Ttap type waterproof connector assembly, and relates to the technical field of waterproof connectors. The Ttap type waterproof connector assembly comprises an SC connector, wherein the outer side of the SC connector is sleeved with a waterproof inner shell, the outer side of the waterproof inner shell is sleeved with a waterproof outer shell, and an end cap in threaded connection with the waterproof outer shell is arranged at the front end of the SC connector. The rear end of the SC connector is provided with a connecting piece in threaded connection with the waterproof outer shell, the connecting piece is provided with a waterproof ring abutting against the end of the waterproof outer shell, the end, which is away from the waterproof inner shell, of the connectingpiece is connected with a waterproof tail cap through a thread, and the waterproof tail cap is fixedly arranged on an optical cable sheath. The Ttap type waterproof connector assembly provided by theinvention can be prefabricated on a connector in a factory, can also be assembled on site, and is convenient to operate, simple to construct and reliable in waterproof performance.

The invention discloses a modular round lighting lamp. The lamp comprises a power source, a center circle assembly, a ring outer frame part and an LED lamp bead assembly; a connecting groove is formed in the side edge of the center circle assembly, and is in clamped connection with the ring outer frame part through a connecting part, and connection of the center circle assembly and the ring outer frame part can be achieved; at least three assembling grooves are formed in the center circle assembly, the LED lamp bead assembly is located in the ring outer frame part, and is inserted in any one assembling groove through a mother inserting card in the assembly, and connection of the LED lamp bead assembly and the center circle assembly is achieved. Meanwhile, the LED lamp bead assembly is connected with the power source through the wire. The invention further provides an assembling method of the modular round lighting lamp. Modular assembling of the round lighting lamp can be achieved, the number and the position of the LED lamp bead assembly can be adjusted freely, the whole height of the lamp can be freely adjusted, the actual lighting angle and lighting strength needs can be met, and the lamp mounting needs an be better met.

The invention provides a dicing saw. The dicing saw comprises a spindle, a cutting knife which is fixedly connected with the spindle and is driven by the spindle to rotate, and a waterproof and dustproof device which is used for preventing water or dust from entering the dicing saw in the rotating process of the cutting knife. The dicing saw further comprises two guide grooves which extend in the Y-axis direction and are parallel to each other, a fixed frame surrounded by two roller shutter covers connected with the tail ends of the two guide grooves, a movable frame which is located inside the fixed frame and can slide in the guide grooves back and forth, and a PVC thin film, wherein one end of the PVC thin film is fixedly connected with the movable frame, and the other end of the PVC thin film is contained in the roller shutter covers in a winding mode. The waterproof and dustproof device comprises a Y-axis waterproof and dustproof structure and a Z-axis waterproof and dustproof structure. The Y-axis waterproof and dustproof structure comprises waterproof rubber tapes which are installed in the guide grooves so as to prevent water or dust from entering the guide grooves. The Z-axis waterproof and dustproof structure comprises a Z-axis motion part located below the movable frame and a Z-axis water shield with one end being fixedly connected with the Z-axis motion part and the other end being fixedly connected with the movable frame.