17results about How to "No noise" patented technology

This invention provides an active front hatch cover hinge and a pedestrian protection system, belonging to the field of automotive component technology. It includes: a cover seat with a locking block; a pop-up seat rotatably connected to the cover seat; a locking plate hinged to the cover seat and rotatable about its hinge point on a rotational plane, the locking plate having a locking hook; and a tension spring, one end of which is connected to the locking plate and close to the locking hook, the other end of which is connected to the pop-up seat, the tension spring being inclined to the rotational plane of the locking plate. The advantages of this invention are: the hinge can actively pop open the front hatch before a vehicle collision; the pop-up seat can only unlock by pulling the locking plate through the tension spring when subjected to a lifting force; under normal conditions, the pop-up seat remains locked to the cover seat; and the pop-up release structure of the hinge is reversible and reusable.

This invention discloses a microchannel heat exchanger driven by an electrohydrodynamic (EHD) pump, characterized by comprising an EHD pump unit and a microchannel heat exchange unit; the EHD pump unit includes a pair of emitter / receiver electrodes, alternately arranged along the flow direction at the bottom of the microchannel, and several EHD pump units are connected in series to form a multi-stage electrode array; the microchannel heat exchange unit includes a jet port and an array-arranged microchannel; the dielectric liquid generated by the EHD pump is directly sprayed into the microchannel heat exchange region through the jet port; the EHD pump unit and the microchannel heat exchange unit are integrated in the same substrate, so that the electrode arrangement area and the heat exchange channel area form a continuous flow path.

A novel roving guide roller assembly, belonging to the technical field of spinning equipment, includes a locking rod and two guide roller structures. Each guide roller structure comprises a guide roller body, two imitation conical retaining rollers, a bearing, a guide roller spindle, and a circular baffle. The guide roller body has a central circular hole, with the bearing housed within it. One end of the guide roller spindle is inserted into the bearing, and the other end extends outward from one side of the circular hole. A circular baffle covers the other side of the circular hole. The locking rod includes a locking main rod, a fixing connecting ring, a connecting seat, a screw hole A, a right-angle connecting rod, and a screw hole B. The top of the guide roller spindle has a threaded structure, and the two guide roller spindles are respectively fixed in screw holes A and B via the threaded structure. The advantages of this invention are: high efficiency, uniform rotation speed, no snagging, sticking, or jamming, and long service life.

The present disclosure provides a gravity-assisted heat dissipation device, comprising an evaporator, a horizontal pipe, a vertical pipe and a condenser; the evaporator is arranged above and in contact with a component to be cooled, so as to vaporize working medium in the evaporator by using heat of the component to be cooled; an outlet of the evaporator is connected with a first connecting end of the horizontal pipe; a second connecting end of the horizontal pipe is connected with a first connecting end of the vertical pipe; the horizontal pipe is used for transmitting working medium; the distance between the first connecting end of the horizontal pipe and a horizontal plane is less than the distance between the second connecting end of the horizontal pipe and the horizontal plane; a second connecting end of the vertical pipe is connected with a bottom of the condenser; the vertical pipe is used for transmitting working medium; the distance between the second connecting end of the vertical pipe and the horizontal plane is greater than the distance between the first connecting end of the vertical pipe and the horizontal plane; and the condenser is used for liquefying working medium in a vaporized state.

The utility model discloses a guide rail structure provides a simple structure, the low manufacturing cost can change the track corner automatically according to the use demand variable angle continuous guide rail structure and the massage seat with the variable angle continuous guide rail structure of having, solved the existing technology in the variable angle continuous guide rail cost high, the complex structure, the poor stability etc. technical problem, it includes the base body and the pressure walking mechanism of being located on the base body, is suspended with the elastic track on the base body, and the pressure walking mechanism is walked on the elastic track through the walking gear engagement.

The present application relates to the technical field of lock, in particular to a magnetic mute lock body, which comprises a lock shell, a buckle seat, a lock tongue, a lock opening driving part, the inner side of the buckle seat is provided with a first magnetic block, the lock shell is further provided with a pressure increasing assembly and a second magnetic block which can repel the first magnetic block and move, the pressure increasing assembly has an input rod connected with the second magnetic block and an output rod connected with the lock tongue, the first magnetic block is arranged on the inner side of the buckle seat, the second magnetic block which can repel the first magnetic block is arranged in the lock shell, the second magnetic block and the lock tongue are drivingly connected through the pressure increasing assembly, after the door is closed, the input rod of the pressure increasing assembly is moved due to the repulsion between the second magnetic block and the first magnetic block, then the lock tongue is inserted into the buckle seat through the output rod of the pressure increasing assembly, and because the thrust of the output rod on the lock tongue is greater than the thrust of the second magnetic block on the input rod, the lock tongue can be easily extended from the lock shell and locked with the buckle seat, the locking process of the lock tongue is more stable and no noise caused by the collision of the magnetic blocks.

An inductor structure and its manufacturing method include: at least two solder pads; a wound helical coil disposed on the upper surface of the at least two solder pads, and the two ends of the wound helical coil being electrically connected to the at least two solder pads respectively; and a covering layer covering the wound helical coil and the at least two solder pads, and exposing the lower surface of the at least two solder pads.

This invention discloses a room-temperature self-sustaining vacuum zero-point energy array power generation device, belonging to the fields of quantum clean energy and micro-nano power generation technology. This invention solves the technical problems of traditional vacuum energy power generation, such as low efficiency, the need for vacuum pumps, the requirement for low-temperature superconductivity, energy recirculation, and the inability to output net power. The device consists of a permanently sealed vacuum Casimir trapping array, an asymmetric piezoelectric resonant amplification layer, a unilateral directional magnetic shielding energy-locking layer, and a room-temperature quantum rectification output layer. It utilizes silicon-glass anode bonding to achieve a 30-year long-term high vacuum. Through nano-spacing plates, room-temperature rectification, and a unidirectional energy-locking structure, it stably extracts vacuum zero-point energy and outputs net electrical energy under pump-free, cooling-free, and superconducting conditions. This invention can be mass-produced at the wafer level and can be stacked for expansion. A 1-square-meter module can output 280W to 650W net power. It has advantages such as zero fuel, zero emissions, long lifespan, self-sustainability, and applicability to all scenarios. It can be widely used in household power supply, industrial power, aerospace energy, and distributed power grids, and is a sustainable clean energy system that can be engineered and implemented.

This utility model discloses a microbubble generator, comprising: a dissolved gas tank, wherein a partition with multiple diversion holes is provided inside the dissolved gas tank, the partition dividing the interior of the dissolved gas tank into a first cavity and a second cavity, the first cavity and the second cavity being connected through the multiple diversion holes; an inlet communicating with the first cavity and an outlet communicating with the second cavity are provided on the dissolved gas tank; and an electrolysis component connected to the dissolved gas tank and at least partially located within the second cavity. This utility model's microbubble generator uses an electrolytic gas generation method to pre-fill the dissolved gas tank, ensuring that microbubble water can be automatically output during water use. This utility model also discloses a gas water heater.

This utility model discloses a drill bit and a rotary drilling rig. The drill bit includes a drill barrel and a bulldozing assembly, which includes a sleeve fixed to the top of the drill barrel. A sliding column that can slide up and down is fitted inside the sleeve. The bottom of the sliding column extends into the drill barrel, and a push plate is fixed to the bottom of the sliding column. The top of the sliding column extends out of the sleeve, and a base is fixed to the top of the sliding column. A spring is fitted on the sliding column, and the spring is located between the sleeve and the base. When removing soil adhering to the drill bit, the pressure plate of the rotary drilling rig pushes the base to move up and down. The up and down movement of the base can drive the sliding column and the push plate to move up and down synchronously, thereby effectively removing the soil adhering to the inner wall of the drill bit. The method of removing soil in this application does not require shaking the drill bit, is highly efficient, convenient and quick, does not generate noise, does not affect the connection of the drill bit in the rotary drilling rig, and does not cause defects such as weak drill bit connection.

The application provides a bearing for improving lubrication based on rotating speed, and relates to the technical field of bearings, which comprises an outer ring, an inner ring, a retainer, a sealing ring and a plurality of rolling balls; the outer ring is internally provided with an oil storage cavity and a first oil injection channel, one end of the first oil injection channel is in communication with the oil storage cavity, and the other end is in communication with a sealed space; the application further comprises a transmission structure for transmitting the vibration of the sealing ring when the inner ring rotates to a valve structure; and the valve structure is used for connecting or isolating the first oil injection channel and the sealed space. When the inner ring rotates, the sealing ring will vibrate under the influence of the friction force, the transmission structure is used for transmitting the vibration of the sealing ring to the valve structure, the first oil injection channel and the sealed space are connected or isolated, lubrication is realized when the first oil injection channel and the sealed space are connected, and no additional noise is generated.

The application discloses a main bridge steel structure construction method and relates to the technical field of bridge construction. The specific steps comprise the following steps: dividing regions, installing baffle plates and pier columns, installing steel pipe piles and platform support columns, installing inter-column supports and sliding beams to form sliding tracks, repeatedly constructing the south bank, completing platform support covering a river, installing lower chord rods and lower bridge decks, installing upper chord rods and upper bridge decks, installing upper-layer cantilevers and lower-layer cantilevers, assembling sliding units, repeatedly assembling sliding units until closure, hoisting the last sliding unit and completing installation of the main bridge steel structure. The construction method can reduce operation risks, shorten construction period, save materials and reduce costs.

This invention discloses a phototherapy lamp for assisting depression treatment with high sunlight simulation, comprising a panel with multiple through-holes; lamp bodies are installed in each hole, and finned heat sinks are connected to the top of the lamp bodies; hanging rods are detachably connected to the four edges of the top surface of the panel, suspending the panel from the ceiling; a bottom frame is magnetically attached to the bottom surface of the panel; and the lamp bodies contain a full-spectrum LED light source with an increased wavelength of 475-485nm. The purpose of this invention is to provide a phototherapy lamp that better simulates natural light, reduces blue light components, and increases the 480nm wavelength band, which has the highest response efficiency for photosensitive optic nerve cells, effectively enhancing the auxiliary treatment of depression and improving its therapeutic effect. Simultaneously, it eliminates additional devices such as fans, making the overall structure more compact, reducing the size and weight of the lamp, and lowering the overall height and center of gravity. It is also more convenient for ceiling embedding.

This invention discloses an air conditioner for use in the home appliance industry, comprising: an energy storage device for containing energy storage material; a jet driving device assembled in the energy storage device; and a flow distribution device connected to the energy storage device via the jet driving device. When the jet driving device acts on the energy storage device, the energy storage device jets the energy storage material into the flow distribution device, and the jetted energy storage material is dispersed and emitted in the flow distribution device to release heat or cold energy. This invention solves the noise problem of air conditioners.

The present application relates to geotechnical engineering monitoring technical field, disclose a kind of sensor self-displacement burying micro robot based on bionical peristalsis, including sensor push system, the side of sensor push system is connected with telescopic displacement system, and the side of telescopic displacement system and sensor push system away from each other is equipped with extrusion counterforce system.The present application realizes soil minimally invasive drilling and sensor pre-burying operation, reduces the interference to soil, improves soil detection accuracy;Combined with inertial navigation and program control, the accurate control of burying depth, plane position and sensor attitude can be realized, the accurate pre-burying of detection sensor is realized;Adopt bionical peristalsis mechanism to make it have very strong obstacle and through loose medium capacity, suitable for a variety of complex geological conditions;Integrates autonomous travel, accurate release, autonomous recycling function, realizes the full-process automation of sensor burying;Energy utilization efficiency is high, and almost no earthwork and noise is generated during the whole burying process, realizes green geotechnical engineering monitoring.

The present application relates to the technical fields of hydrogen production reaction device, in particular to a fuel cell power supply equipment based on hydrolysis hydrogen production unit, which comprises a shell, a reaction mechanism and a separation and purification mechanism are arranged in the shell; the reaction mechanism comprises a raw material liquid inlet tank and a fuel tank, both of which are connected through a first pipe body, and a peristaltic pump is arranged on the first pipe body; the separation and purification mechanism comprises an impurity separator, a drying and condensing mechanism and a dehumidifier which are sequentially connected through a second pipe body, a decontamination mechanism is arranged in the impurity separator, a dehumidification mechanism is arranged in the dehumidifier, the dehumidifier is connected with the fuel cell through a third pipe body, and a hydrogen buffer tank is arranged on the third pipe body; the fuel cell is connected with the raw material liquid inlet tank. The present application adopts a modular hydrogen production unit design, constructs an easy-to-disassemble fuel cell hydrogen supply system, and uses an on-site hydrogen production mode to stably and durably supply hydrogen for the fuel cell, which breaks through the limitations of hydrogen production and storage difficulties and high transportation cost.

This utility model discloses a solar-assisted ventilation intelligent fruit and vegetable drying rack, belonging to the field of drying rack technology. It includes a base, a drying component on the upper surface of the base, a photovoltaic component on the top of the drying component, a ventilation component on one side of the drying component, and a shaking component at the bottom of the base. The drying component includes a cover fixedly mounted on the base, a circular tube on the upper surface of the base, a sliding plate slidably connected inside the circular tube, a push rod fixedly mounted on the top of the sliding plate, and a mesh plate fixedly mounted on the top of the push rod. This solar-assisted ventilation intelligent fruit and vegetable drying rack, through its drying component, ventilation component, and shaking component, allows for convenient shaking of the fruits and vegetables on the mesh plate during use, simultaneously ventilating and drying them. This avoids slow drying, increases the drying speed of the fruits and vegetables, and also prevents one-sided drying and mold growth.