17results about How to "Achieve simplification" patented technology

A vehicle heat pump system capable of improving cooling and heating performance by applying a gas injection device selectively operated in a vehicle interior air conditioning mode to increase the flow rate of refrigerant. The heat pump system uses a single heat exchanger configured to exchange heat between at least two refrigerants having different temperatures and states with each other for the entire system and the gas injection device, so that the total number of components can be reduced, and manufacturing costs and weight can also be reduced.

The utility model relates to the technical field of robots, in particular to a wheeled robot control device which comprises a transmission body, a carrier, a rubber ball wheel and a transmission assembly, the carrier is provided with the transmission body, the transmission assembly is used for driving the rubber ball wheel to axially rotate, and the rubber ball wheel is arranged on the side face of the carrier. The transmission assembly is arranged in the carrier. The motor transmits power to the rubber ball wheel, simplification and high efficiency of the robot structure are achieved, the elastic characteristic of the rubber ball wheel is beneficial to impact absorption, damage to the internal structure of the robot is reduced, the service life of equipment is prolonged, the transmission body is finely adjusted through the micrometer, and the service life of the equipment is prolonged. The controllability and accuracy of contact between the ball control part and the football are achieved, and the adjusting process of the ball control strength of the ball control structure is greatly simplified through the application of the spring.

In the information processing method, object data and a tag list including a plurality of tags for classifying the object data are displayed on a worker terminal, a selection from any one of the plurality of tags is received, and the object data is classified on the basis of the selection result of the tag. And a control unit that updates an input history in which the number of selections for each of the plurality of tags is recorded, and updates the display order of the plurality of tags included in the tag list in accordance with the number of selections recorded in the input history every time the display of the object data is switched to the next object data.

The invention discloses a linkage control method, device, equipment and system for a smoke purifier, and the method comprises the steps: S100, monitoring the working power of external equipment through a power detection circuit, and enabling the power detection circuit to be in lap joint with a power interface of the external equipment through an adapter; s200, comparing the working power with a preset power threshold value, wherein the preset power threshold value represents the power of the external equipment entering the working state; s300, when the working power exceeds a preset power threshold value, generating an effective level trigger signal; and step S400, sending the high level trigger signal to a smoke purifier host through an audio transmission line, so that the smoke purifier host starts a fan to perform smoke purification operation in response to the effective level trigger signal. Smoke purification linkage control which is low in cost and wide in compatibility with the third-party equipment is achieved under the condition that the smoke purifier and the third-party equipment are not damaged.

Disclosed is a heat pump system for a vehicle, which is capable of improving cooling and heating performance by applying a gas injection device that selectively operates in a vehicle interior air conditioning mode to increase the flow rate of refrigerant. The heat pump system includes a compressor, a condenser, a first expansion valve, an evaporator, a first connection line, a cooler, a second expansion valve, a sub heat exchanger, and a gas injection device, wherein the flow rate of refrigerant is controlled by operation control of the gas injection device according to at least one mode for adjusting the temperature of the vehicle interior.

The application relates to a multi-channel circuit simplified self-powered flexible fabric keyboard, a preparation method and application, and relates to the field of textiles. The application combines a textile process and a friction nanometer generator technology to prepare a self-powered flexible fabric keyboard which is free of a power supply, soft and washable by arranging a sensing unit in a hollowed-out notch of a spacing layer; during the weaving process of the sensing unit of the self-powered flexible fabric keyboard, the surface of a dielectric layer is provided with an arch structure by changing the tension difference between two surfaces of the fabric, the relative surface area of the fabric is increased, and the electric signal of the sensing unit is amplified; in addition, the application can make different sensing units generate different waveform electric signals by changing the material of the dielectric layer and the arrangement combination of the sensing unit, reduce a line interface, and thus realize multi-channel circuit simplification.

The invention relates to the technical field of water meter detection, in particular to a method for quickly detecting errors of a water meter, which comprises the following steps of: S1, preparing a standard container with an accurate known volume and a handheld detection terminal integrated with an image acquisition unit, a data processing unit and a display unit; and S2, a water inlet of the standard container is connected with a water outlet of the water meter to be tested in a sealed mode through a connecting pipeline, and meanwhile it is ensured that an exhaust valve of the standard container is in an open state. According to the method for rapidly detecting the error of the water meter, automatic identification of an integrated image is combined with a standard container, and a valve can be selectively matched for linkage control, so that the reading error and timing delay caused by traditional manual visual observation and manual operation are fundamentally eliminated, and the detection precision and the repeatability of a result are remarkably improved. Meanwhile, the whole process is guided by the handheld terminal, operation simplification and standardization are achieved, single-time detection time is greatly shortened, and the requirement for on-site rapid and batch detection is met.

The utility model relates to the technical field of key, specifically disclose a kind of key structure and electronic equipment. Key structure includes mounting bracket and key assembly;Mounting bracket is located on circuit board;Key assembly includes key body and the self-rotation axis integrally formed with key body;Mounting bracket is provided with shaft slot, and the self-rotation axis of key body is embedded in shaft slot, and the end of key body away from self-rotation axis can be pressed down contact type switch;The side of key body close to self-rotation axis is connected with mounting bracket. In the utility model, by the integrally formed of self-rotation axis and key body, cooperate the clamping of key body and mounting bracket, the high integration and simplification of key structure are realized, material cost is reduced, multiple parts stacking internal space is avoided, thus it is beneficial to the miniaturization design of product, and key assembly can be directly pressed down and installed on mounting bracket, to reduce assembly production difficulty.

The present application relates to the technical field of metal powder injection molding, and discloses a tungsten-nickel alloy composite material preparation process based on MIM technology, which comprises the following steps: determining the Hall flow rate, loose bulk density and average sphericity of different batches of spherical tungsten powder, and selecting a batch with measured values meeting preset threshold values as a substrate; synchronously coating nickel and iron on the surface of the spherical tungsten powder by means of gas phase deposition to form tungsten-nickel-iron powder with a core-shell structure in which the components are uniformly pre-combined on a microscale; mixing the tungsten-nickel-iron powder with a core-shell structure as a metal raw material with an organic binder to prepare injection molding feedstock; injection molding the feedstock to obtain a green body, and sequentially performing debinding, sintering and heat treatment on the green body to obtain a tungsten-nickel alloy composite material part. The present application realizes microscale uniform pre-combination of alloy components by using core-shell structure composite powder, thereby ensuring the uniformity of product organization and the stability of performance.

This invention discloses a sound insulation panel and its multi-tiered Helmholtz acoustic metamaterial resonant structure and design method, achieving broadband sound insulation, enriching the product's application scenarios, and optimizing the structural design to achieve easier processing and reduced costs. The multi-tiered Helmholtz acoustic metamaterial resonant structure includes at least two stages of thin-film-Helmholtz resonant structures arranged sequentially along the sound wave incident direction, and a homogeneous plate for fixing the last stage of the thin-film-Helmholtz resonant structure. Each stage of the thin-film-Helmholtz resonant structure includes a thin film and a plate arranged sequentially along the sound wave incident direction, with the opposite surfaces of the thin film and the plate sealed together. A first through-hole and a second through-hole are coaxially arranged sequentially along the sound wave incident direction on the plate. The second through-hole communicates with the first through-hole to form the resonant cavity of the thin-film-Helmholtz resonant structure, and the size of the second through-hole is larger than that of the first through-hole. The first and second through-holes of each stage of the thin-film-Helmholtz resonant structure have a stepped shape with gradually increasing opening size in the sound wave incident direction.

The utility model discloses a detachable maintenance split type stainless steel casting valve which comprises a first valve body, a second valve body is fixedly connected to the first valve body, a movable pipe is connected in the second valve body in a sliding mode, a groove is formed in the movable pipe, a second sealing ring is connected in the groove in a sleeved mode, and the second sealing ring is connected in the second valve body in a sleeved mode. One end of the first valve body and one end of the movable pipe are fixedly connected with second flanges, and the second flanges are fixedly connected with limiting rings; according to the utility model, the movable pipe is additionally arranged on the second valve body and can adapt to the distance between pipelines, so that the disassembly and assembly efficiency is improved, and the limiting rings are additionally arranged on the movable pipe and the flange of the first valve body, so that the valve can be kept on the pipelines without bolts, and the disassembly and assembly difficulty and the falling risk of the valve are reduced; the pressure relief assembly is additionally arranged on the first valve body, so that the valve has the pressure relief and pollution discharge functions, a pipeline system can be simplified, and the equipment cost can be reduced.

The utility model provides a water pump rotating speed monitoring device, which belongs to the technical field of water pump monitoring and comprises a rotating wheel shell, a rotating speed monitoring component and a transmission support. The rotating wheel shell is cylindrical, and a plurality of ventilation grooves distributed in the radial direction are formed in the outer wall of the rotating wheel shell. The transmission support is fixedly installed at the bottom of the rotating wheel shell, and a bearing installation base is arranged on the side wall of the transmission support. The rotating speed monitoring assembly is installed on the transmission support and can detect the rotating speed of the rotating wheel shell. The rotating speed monitoring assembly comprises a sensor body and a magnetic positioning ring, the sensor body is fixedly installed on the transmission support, the magnetic positioning ring is fixedly installed on the peripheral face of the rotating wheel shell, and the magnetic positioning ring and the sensor body are correspondingly arranged; the problem that an external sensor is not easy to install can be solved, and detection errors caused by external interference are reduced.

The utility model relates to a rotary transformer, a stator and a motor system. A resolver includes: a stator (10) having an arc-shaped structure extending in a circumferential direction; and a rotor (20) disposed radially inward of the stator (10) and configured to be rotatable with respect to the stator (10), in which the rotor (20) includes N convex portions (21) and N concave portions (22), the convex portions (21) and the concave portions (22) are alternately arranged in a circumferential direction, N is an integer and is equal to or greater than 2, and in which a central angle [theta] of the stator (10) satisfies: 360 degrees / N < = [theta] < 360 degrees.

The utility model relates to the technical field of composite beams, and particularly discloses a pre-tensioning method pre-stress continuous bending web member truss composite beam, which is characterized in that a web member of the composite beam is formed by continuously bending a steel pipe through a pipe bending machine, and cement slurry is injected into the web member; the lower chord member is composed of two grouting steel pipes with prestressed tendons penetrating through the grouting steel pipes. The upper chord and the reinforced concrete floor form a combined section through the double-limb angle steel. The prestressed bent pipe truss composite beam has the remarkable advantages of being high in bearing capacity and rigidity, simple in manufacturing process and the like, compared with a steel beam with the same bearing capacity and rigidity, the steel consumption is reduced by 40%, good economic benefits and social benefits are achieved, and the prestressed bent pipe truss composite beam is particularly suitable for public buildings and industrial buildings with medium and small spans (8-12 m) under the medium-load working condition.

The invention belongs to the technical field of organosilicon chemistry, and particularly discloses a method for preparing p-chloromethyl phenethyl triethoxy silane through continuous alcoholysis of a silane mixture. The method specifically comprises the following steps: preheating a mixed raw material consisting of p-chloromethyl phenethyl trichlorosilane and chloropropyl trichlorosilane, and continuously and reversely flowing the preheated mixed raw material and overheated ethanol steam into an effective-height packed tower reactor, so that a mixed silane liquid film and the ethanol steam are in full contact on the surface of packing to generate alcoholysis reaction; hydrogen chloride generated by the reaction is immediately entrained and moved out by ethanol steam, and a product is continuously extracted from the tower bottom and is rectified and purified. The non-catalytic continuous alcoholysis process has multiple remarkable advantages, the greenization and simplification of the production process are realized by thoroughly abandoning the catalyst and the acid-binding agent, and the generation amount of three wastes is extremely small.

The invention relates to a chip deformation control method in a laser pressure welding process, which comprises the following steps of: adsorbing a semiconductor chip (C) through a welding frame (10), coating a soldering flux on a bump on the bottom surface of the semiconductor chip (C), arranging the semiconductor chip (C) on a substrate (P), and then placing the semiconductor chip (C) on the substrate (P) and applying pressure; a laser beam (L) is irradiated from a laser generator (20) provided at the upper part of the welding frame (10) to weld the semiconductor chip (C) to the substrate (P), so that the semiconductor chip is picked up by the suction type welding frame in the laser pressure welding process; according to the present invention, a semiconductor chip in a deformed state is expanded to a flat state to the greatest extent by preheating with a laser during a flux immersion, position alignment, or soldering process, thereby minimizing the occurrence of problems such as poor flux application, poor alignment, poor soldering, and the like by maintaining an exact pick-up state. The laser generator (20) is preheated at a predetermined temperature so that the semiconductor chip (10) is restored to an original flat state in a state in which the semiconductor chip (C) is adsorbed by the welding frame (10).

The invention provides a laser processing device, which is used for processing a semiconductor device, and comprises at least one laser oscillator for outputting a laser beam; at least one beam adjusting element for adjusting the shape of the laser beam output from the laser oscillator; the at least one lens is positioned between the light beam adjusting element and a processed object and is used for adjusting the size of the laser beam of which the shape is adjusted by the light beam adjusting element and irradiating the processed object; and a controller which sets a processing line width to be formed on the processed object, determines a rotation angle of the light beam adjusting element according to the set processing line width, and controls the light beam adjusting element to rotate with a rotation axis parallel to a normal line of a plane of the processed object as a reference according to the determined rotation angle.