14results about How to "Meet miniaturization needs" patented technology

The invention discloses AR glasses, and relates to the technical field of AR glasses, and the AR glasses comprise an optical machine module, an optical lens, and an antenna. The optical lens at least comprises a first area and a second area different from the first area; light emitted by the ray machine module enters the optical lens in the first area; the projection of the antenna on the optical lens is located in the second area; the antenna comprises a metal area, a bonding pad area and a feed coaxial line. The metal area is provided with a gap formed by slotting, and the feed end of the gap is electrically connected to the bonding pad area; at least part of the feed coaxial line is located in the bonding pad area and connected with the feed end, so that the feed end connected with the feed coaxial line enters an open circuit state, namely, the feed coaxial line is directly used as a feed line of the gap, a conventional coupling mode is avoided, the miniaturization design of the bonding pad area is achieved, and the size of the antenna is reduced. Therefore, the bonding pad area, the light machine module and the camera module can be hidden in the glasses frame together, so that the miniaturization requirement of AR glasses is met.

This application provides an optical system and a lidar. The optical system includes a light source, a microlens assembly, and a microprism assembly. The microlens assembly is used to collimate the light emitted by the light source. The microprism assembly includes a light-transmitting substrate, a first microprism array, a second microprism array, and a third microprism array. The first microprism array is formed on a first surface of the light-transmitting substrate, the second microprism array is formed on a second surface of the light-transmitting substrate, and the third microprism array is formed on the first and / or second surfaces of the light-transmitting substrate. The microprisms in the first, second, and third microprism arrays correspond to the microlenses in the microlens array. The optical system is mounted horizontally on the lidar, and the elevation field of view of the lidar is increased by the external reflection of the first microprism array, the internal reflection of the second microprism array, and the refraction of the third microprism array.

The utility model relates to a kind of ice bar machine, comprising: vortex tube heating unit, with hot gas outlet and cold gas outlet;Cooking heating module, including pot and base, the base is equipped with hot gas stream air inlet, this hot gas stream air inlet is connected with the hot gas outlet of vortex tube heating unit, for the hot gas stream is guided into the bottom of pot to heat the food material of ice bar liquid production;Cooling module, including ice bar tray for placing ice bar mold and cold gas delivery pipeline, the cold gas delivery pipeline is connected with the cold gas outlet of vortex tube and the inside of ice bar tray, for injecting cold gas stream to ice bar tray to solidify ice bar liquid in ice bar mold. Advantage is: it is with single vortex tube unit to generate cold, hot two gas streams simultaneously, replace traditional independent compression refrigeration system and external heating equipment, independent heating furnace in prior art is saved, equipment component quantity and overall structural complexity are significantly reduced.

The invention discloses an electromagnetic relay, and relates to the technical field of relays, the electromagnetic relay comprises a shell, a pushing member and a moving terminal group, the pushing member is slidably mounted on the shell, the moving terminal group comprises two moving terminals, and the two moving terminals are mounted on the pushing member and are arranged at intervals along the sliding direction of the pushing member; the parts, extending out of the pushing part, of the moving terminals are the outward extending parts, the pushing part is provided with the insulating part, and the insulating part is located between the outward extending parts of the two moving terminals, so that the insulating distance between the moving terminals can be increased, and the insulating performance can be improved.

This utility model discloses a cold drink evaporator and a cold drink device. The cold drink evaporator includes an evaporating cylinder, a return gas pipe, and a connecting pipe connected to the evaporating cylinder. The evaporating cylinder has an evaporation chamber. The connecting pipe is connected to an external condenser or throttling device. The spray section of the connecting pipe is connected to the evaporation chamber. The return gas pipe is connected to an external compressor. The return gas section of the return gas pipe is connected to the evaporation chamber. The spray section and the return gas section are connected to form a pipe body. All or part of the spray section is located on the side of the return gas section or inside the return gas section. The cold drink device includes the cold drink evaporator described above. Using this utility model can save space, reduce size, meet the miniaturization needs of household appliances, and reduce the risk of evaporator leakage.

The utility model relates to filter technical field, specifically disclose a compact multistage LC filter, the filter includes rectangle insulating substrate, its four corner position is equipped with mounting hole, the filter shell is fixedly installed above the insulating substrate, the both ends of filter shell are equipped with input and output port, in the filter shell, the insulating substrate top is equipped with at least two stages filter unit, and each stage filter unit contains spiral inductance and interdigital capacitance, and they are connected through microstrip line between the filter unit of adjacent stage alternately cascaded. Two insulating shield baffles are arranged between the adjacent filter units, which are connected with the insulating substrate and the filter shell, and the shielding layer formed between the insulating shield baffles is connected with the bottom ground plane through the metallized via on the insulating substrate. The filter realizes compact volume, excellent filtering performance and anti-interference ability through three-dimensional inductance, shielding structure and optimized layout.

The utility model relates to the technical field of valves, and discloses a water outlet valve. The water outlet valve comprises a valve body and a one-way valve, wherein the valve body comprises a main valve part and a side valve part; the main valve part is provided with a three-way valve cavity, a heating connector, a first communicating channel and a bypass cavity, the three-way valve cavity comprises a first cavity, a main valve cavity and a second cavity which are sequentially communicated, the main valve cavity is selectively communicated with the first cavity or the second cavity, and the heating connector is communicated with the first cavity through the first communicating channel; the first end of the bypass cavity is communicated with the first cavity through a first communication channel, and the second end of the bypass cavity is communicated with the second cavity; the side valve part is connected to the side, in the third direction, of the main valve part, and a first flow channel communicating with the second cavity is formed in the side valve part; the one-way valve is installed in the bypass cavity, and the included angle between the axis direction of the one-way valve and the flow direction of fluid flowing into the second cavity from the outlet side of the one-way valve is larger than 90 degrees. The size of the water outlet valve in the height direction is small, the full-open flow loss of the one-way valve can be reduced, and the water supplementing efficiency is improved.

The utility model relates to an antenna technical field, concretely relates to an antenna, circuit board and wireless network card. The antenna includes ground wire, radiation wire, connecting wire and gain wire, the ground wire includes ground main body, first ground arm and second ground arm, and the radiation wire includes radiation main body, first radiation arm and second radiation arm. The ground main body and radiation main body are oppositely arranged, the first ground arm and the second ground arm are connected at both ends of the ground main body respectively, and all extend to the side away from the radiation main body, the first radiation arm and the second radiation arm are connected at both ends of the radiation main body respectively, and all extend to the side away from the ground main body, the gain wire is located at the side of the radiation wire away from the ground wire, one end of the connecting wire passes through between the first radiation arm and the second radiation arm and is connected with the radiation main body, and the other end is connected with the gain wire. The length L of the antenna is 104±1mm, and the width W is 8.5±0.5mm.

The invention relates to the technical field of optical communication, in particular to a silicon optical chip, an external cavity laser and a method for restraining a micro-ring nonlinear effect. The P-doped region and the N-doped region at the two sides of the micro-ring resonant waveguide are respectively connected with the ground and an input voltage through an electrical connection module, so that a transverse electric field is formed in the micro-ring resonant waveguide, and free carriers generated after light passes through the micro-ring resonant waveguide are removed through the transverse electric field; and on the other hand, the P-doped region and the N-doped region are respectively connected with an external input voltage and the ground through the electrical connection module, so that bias voltage control on the two sides of the micro-ring resonant waveguide can be realized on the basis of not increasing redundant pins, free carriers generated in the micro-ring resonant cavity are eliminated, and the reliability of the micro-ring resonant cavity is improved. Therefore, the nonlinear effect of the micro-ring resonant cavity is effectively suppressed, and the micro-ring resonant cavity has the advantages of being simple in structure and meeting the miniaturization requirement.

The utility model relates to a wire arrangement structure used in a joint motor module, comprising a motor assembly, a controller assembly and a harmonic reducer, the motor assembly comprises a housing, a stator assembly and a rotor assembly, the controller assembly comprises a controller buckle cover and a circuit board A, the controller buckle cover is fixed with one end of the housing, and the circuit board A is fixed with the other end of the housing. A mounting cavity is formed between the controller buckling cover and the shell, the circuit board A is fixed in the mounting cavity, a wiring terminal is arranged on the circuit board A, a wire passing hole is further formed in the position, corresponding to the wiring terminal, of the controller buckling cover, a power supply and signal wire harness is connected with the wiring terminal through the wire passing hole, and a wiring cover is further fixed to the wire passing hole. The wiring cover seals the wire passing hole, dust and liquid are prevented from invading the mounting cavity, the wiring cover simplifies the connection process of the power supply and the signal wire harness, and the assembly complexity is reduced.

The utility model relates to the technical field of car light circuit, specifically disclose a miniaturized integrated car light BUCK circuit, including BUCK IC integrated chip, BUCK IC integrated chip includes VIN pin, EN pin, VOUT pin, FB pin, VCC pin and BST pin, has the first capacitor group and second capacitor group on VIN pin, the first resistance formation POWER IN is connected on EN pin, the voltage -division resistance for voltage division is provided with on FB pin, VOUT pin is connected with third capacitor group, the utility model discloses a purpose at to solve the traditional car light circuit reliability problem through car light BUCK circuit, help system improves stability.

The application discloses a double-energy-storage oil-gas spring integrated damping suspension hydraulic cylinder and a vehicle, which comprises a mounting cylinder bottom, a suspension cylinder and energy accumulators, wherein the mounting cylinder bottom is internally provided with an oil passing channel and is provided with one communication port one and two communication port twos on the mounting cylinder bottom; the suspension cylinder and the energy accumulators are fixedly installed on the mounting cylinder bottom, the energy accumulators are provided in two groups, the two groups of energy accumulators are respectively located on the two sides of the radial direction of the suspension cylinder, the suspension cylinder and the energy accumulators are connected with the oil passing channel through the communication port one and the communication port two, and the suspension cylinder and the energy accumulators are connected through the oil passing channel. The application effectively solves the pressure loss problem caused by the long oil circuit of the traditional suspension system, realizes the internal transmission of the oil circuit through the integrated mounting cylinder bottom, forms the redundant pressure compensation mechanism through the symmetrical layout of the double energy accumulators, and ensures the pressure stability of the system under the continuous vibration working condition. The compact overall structure design reduces the space occupation, and meets the miniaturization demand of the suspension system of the special vehicle.

This invention discloses an oxygen concentrator, comprising: a tank, a support frame, an air compressor, electrical components, and a housing assembly. The tank has at least one independent oxygen-generating channel and an air inlet channel along its length. The support frame is detachably connected to one side of the tank. The air compressor is connected to the support frame, with its inlet end connected to the air inlet channel and its outlet end connected to the oxygen-generating channel. The electrical components are connected to the tank and electrically connected to the air compressor. The housing assembly includes a first housing and a second housing. The first housing covers the air compressor and is connected to the support frame, while the second housing covers the electrical components and is connected to the tank. This invention effectively solves the problems of existing oxygen concentrators, such as their dispersed structure, complex airway piping, and large size.

The radiation source device for the X-ray machine comprises a square sealing cylinder, an X-ray tube core, a boosting transformer and an end face sealing cover, a base plate is arranged on the bottom side of an inner cavity of the square sealing cylinder, and a PCB is installed on the base plate beside the X-ray tube core; a KV sampling resistor and a filament transformer are respectively connected to the PCB on two sides of the boosting transformer, and an MA sampling resistor mounted on the PCB is arranged beside the filament transformer; a positive voltage-multiplying rectifying assembly and a negative voltage-multiplying rectifying assembly which are distributed in parallel are mounted on the PCB between the boosting transformer and the X-ray tube core; devices mounted on the base plate and the PCB are integrally packaged in the square sealing cylinder and sealed by the end face sealing cover, so that the boosting transformer and the X-ray tube are integrally integrated in a closed cavity, filling and sealing are facilitated, high frequency, small size and high power are met, and the requirement for miniaturization is met while the overall pressure resistance is guaranteed.