91results about How to "To meet the needs of use" patented technology

The invention discloses an air filter for an intelligent ventilating system and an air filtering method of the air filter for the intelligent ventilating system. The intelligent ventilating system comprises a controller, the air filter comprises a filter tank, the air inlet side of the filter tank is communicated with an air inlet of the intelligent ventilating system, and an air outlet of the filter tank is communicated with the interior of the intelligent ventilating system; a cilium filtering net is arranged in the filter tank, one end of the cilium filtering net is connected with the filter tank, and the other end of the cilium filtering net is provided with a mini-type vibration motor connected with the controller; a pressure sensor connected with the controller is arranged at the air outlet of the filter tank. According to the air filter for the intelligent ventilating system and the air filtering method of the air filter for the intelligent ventilating system, automatic dedusting work of the air filter can be achieved; the maintenance period of the air filter is further prolonged, and the maintenance cost is effectively reduced.

The invention provides an automatic voltage regulating circuit for a solar photovoltaic power generation system. The circuit comprises an auxiliary power circuit, an input voltage regulating capacitor, a voltage boosting inductor, an insulated gate transistor, a freewheel diode, a first diode, a second diode, a control drive circuit, an output voltage regulating capacitor, a load and a sampling circuit, wherein the voltage boosting inductor is connected with the input voltage regulating capacitor and the insulated gate transistor; the insulated gate transistor is connected with the control drive circuit and the input voltage regulating capacitor; the freewheel diode is connected with the insulated gate transistor; the first diode and the second diode are connected with the insulated gate transistor and the load; the output voltage regulating capacitor is connected with the first diode, the second diode and the freewheel diode; the load is connected with the output voltage regulating capacitor and an acquisition circuit respectively; and the acquisition circuit is connected with the input voltage regulating capacitor, the load, the output voltage regulating capacitor and the control drive circuit. The invention also provides an automatic voltage regulating method for implementing the method. Constant power output and power supply to the load can be realized without support of asinglechip.

The invention relates to a full-duplex inter-satellite link system capable of switching receiving and sending frequencies, and a method, and belongs to the technical field of inter-satellite link technology design. The system comprises more than two satellites; each satellite is provided with multiple full-duplex inter-satellite link devices; and each full-duplex inter-satellite link device on each satellite comprises a transmitting baseband, a receiving baseband, a transmitting local oscillator, a transmitting channel, a receiving local oscillator, a receiving channel, a duplex component capable of switching the receiving and sending frequencies, and an antenna. The full-duplex inter-satellite link system capable of switching the receiving and sending frequencies is realized; design manufacturing of the inter-satellite link devices is simplified; therefore, batch production of the inter-satellite link devices can be carried out; and re-configuration of on-orbit inter-satellite links also can be flexibly carried out.

The invention provides an air conditioner control method and an air conditioner control system. The air conditioner control method comprises the following steps of obtaining brain wave data of a user; according to the brain wave data, carrying matching to obtain a control instruction; and according to the control instruction, controlling the running state of an air conditioner. According to the air conditioner control method and the air conditioner control system, the problem that in the prior art, some users with action barriers cannot control the air conditioner is solved.

The invention discloses a detection system and detection method for home theater equipment. Home theater equipment comprises a projector, a middle control device and a play device. The detection system of the home theater equipment comprises a detection house, a detection device in the detection house and a conveying device for conveying the home theater equipment. The detection device comprises a cable, a projection screen for projection of the projector, a detector which is electrically connected with the on-line home theater equipment, and a display screen which is electrically connected with the detector. The home theater equipment, that is, the projector, the middle control device and the play device, can perform on-line detection through the detection device; through the detection results on the display screen, whether the on-line performance of the projector, the middle control device and the play device satisfies the using requirement; and the method and system can guarantee that home theater equipment delivered from a factory can satisfy the requirement for practical use when the home theater equipment is on-line.

The invention discloses an assembled self-resetting energy-consuming support device, which belongs to the field of civil engineering. The assembled self-resetting energy-dissipating support device includes a peripheral constraining unit, a self-resetting unit, an inner core connection unit and an internal energy-dissipating unit, and the peripheral constraining unit includes a first constraining plate, a second constraining plate, a bottom plate, and a channel steel constraining unit; The self-resetting unit includes a first limit baffle, a third limit baffle, a third small baffle, a second limit baffle, prestressed tendons, the prestressed tendons are fixed with anchors, and the inner core connection unit includes a core plate , the first small baffle, the second small baffle. The present invention can make full use of the existing dampers, so that most of the dampers can be assembled into self-resetting energy-dissipating supports through the self-resetting device.

The invention relates to a urine detection device, and discloses a urine cup, comprising a protruding part arranged on the surface of the urine cup, the protruding part is formed by protruding from the surface of the urine cup and cooperates with the protruding edge The cover sheet is fixedly connected along the protruding edge and forms a cavity inside the protruding part. The invention has the advantages of greatly reducing the difficulty of the manufacturing process, and the obtained urine cup, especially the lid of the urine cup, has a firm structure and has a sealing effect, and can be sealed without additional sealing strips, and the liquid in the urine cup It is always limited to the inside of the urine cup, will not leak to the outside of the urine cup, is easy to clean, and has good application value.

The invention discloses a product production quality inspection process flow. The product production quality inspection is performed by five steps, thereby ensuring the overall product quality state. When each to-be-detected product is detected, appearance quality inspection is performed to identify the appearance quality of the existing product and internal quality inspection is performed to detect the internal quality state of the product well; and thus because of appearance quality inspection and the internal quality inspection for product inspection, the product is detected accurately and thus a phenomenon that the defective product is not detected in one batch of products is avoided, so that the application need can be met well when the product is used externally. The long-time application demand can be satisfied; the product batch quality can be improved; and the service life of the product is prolonged. Therefore, the process flow has the high competitiveness in the market competition.

The invention provides a rectifying booster water pump. The rectifying booster water pump comprises a pump shell and an inlet pipe, and an accommodating cavity is formed in the pump shell. The accommodating cavity is internally provided with a pump machine, and a pump motor is connected with the pump machine for providing kinetic energy for the pump machine, wherein the output end of the motor isconnected to a drive shaft. One end of the drive shaft extends out of the pump shell, and an impeller is arranged at the other end of the drive shaft, wherein the impeller rotates along with the rotation of the drive shaft. The inlet pipe is internally provided with an inlet rectification energy-saving device, and a rectifying shell includes a first shell and a second shell, wherein the first shell and the second shell are formed through a rectifying passage. The first shell and the second shell both have a trapezoidal cross section, and an inner cavity of the rectifying passage is a large regular hexagon composed of a plurality of small regular hexagons. After water in the rectifying booster water pump passes through the rectification device, the loss of pressure is not increased, the energy for forming a vortex is saved, and the vibration noise of the water pump is lower.

The invention provides a monomer cylindrical multi-directional constant-stiffness all-metal vibration absorber which comprises a mounting shaft, an axial lower end limiting stopper, an axial upper end limiting stopper, an axial vibration reduction medium, a first shell, a second shell, a radial limiting stopper and a radial vibration reduction medium, wherein the axial and radial vibration reduction components are of mutually independent structures; the axial vibration reduction component is cylindrical; the radial vibration reduction component is annular; the axial vibration reduction component is arranged in the radial vibration reduction component. By virtue of the unique design method of the vibration reduction components, multi-directional constant stiffness can be realized, the purpose of ensuring mutually-independent axial and radial stiffness regulation can be achieved, and the axial and radial resonant frequency intercoupling problem is radically solved; by virtue of controlling the densities of the vibration reduction media in the vibration reduction components, the resonant frequency points can be accurately controlled, the difference between the axial resonant frequency and the radial resonant frequency is controlled within +/-0.5Hz, and the usage requirements of vehicles, ships, airplanes and rockets in various occasions and the requirements for the multi-directional constant-stiffness vibration isolation and long-term storage of various instruments are met.

The invention relates to a corrosion-resisting weldable aluminum alloy board for a box tank car and a manufacturing method of the board. The board comprises materials including, by mass percent, 0.10 to 0.4% of Cu, 0.25 to 0.55% of Mn, 1.5 to 2.0% of Mg, 5.0 to 5.6% of Zn, 0.15 to 0.45% of Er and the balance Al. The method comprises steps of firstly, raw material weighing, secondly, aluminum melt preparing, thirdly, semi-continuous casting, fourthly, annealing, fifthly, rolling, sixthly, quenching, seventhly, straightening and eighthly, aging. The board surface quality is good, the combination mechanical property is excellent, the welding coefficient reaches 77%, and the welding coefficient is higher than that of an existing conventional heat-treatable hardening aluminum alloy, the tensile strength is not smaller than 443 MPa, the percentage elongation after fracture is not smaller than 3%, welding and machining forming performance is good, and post processing is facilitated.

The invention belongs to the field of shock absorption devices and specifically relates to a foundry waste sand regeneration and shock absorption device. The foundry waste sand regeneration and shock absorption device disclosed by the invention comprises a base, wherein a plurality of support columns are arranged on the base, the support columns are connected with a filter screen, shock absorption springs along the directions of an X axis and a Y axis are overlapped on the support columns, and a vibration source in the direction of a Z axis is arranged at the bottom of the filter screen. The vibration source in the direction of the Z axis is opened to enable the filter screen to produce two-dimensional vibration; as the support columns are connected with the filter screen, and the shock absorption springs along the directions of the X axis and the Y axis are overlapped on the support columns, the two-dimensional vibration is promoted to become three-dimensional vibration; and simultaneously, as the shock caused by a pure hard mechanical structure is too severe, the noise is great, the operation of the device is non-smooth and the service life of the whole device is reduced by long-term usage, the shock absorption springs along the directions of the X axis and the Y axis are arranged on the support columns, and then the shock absorption principle of the shock absorption springs is utilized to reduce the vibration in the directions of the X axis and the Y axis, thus the noise is reduced, the operation is smooth, and the service life of the whole device is prolonged.

The invention relates to an improving agent for improving low-sulfur diesel lubricating property and a synthetic method of the improving agent. The method includes the steps: adding unsaturated monocarboxylic acid into a premixing tank of an impinging stream reactor, and heating the unsaturated monocarboxylic acid to reach the temperature of 80-100 DEG C; slowly leading tung oil biodiesel into thepremixing tank, conveying mixed liquid in the premixing tank into a feeding port of the impinging stream reactor by a circulating pump, enabling the mixed liquid to flow to a material impinging areathrough a flow guide cylinder at high speed to perform impinging reaction, controlling reaction temperature to be 110-150 DEG C, enabling the materials after impinging to reflow the premixing tank from discharging ports in two sides, conveying the materials into the feeding port of the reactor by the circulating pump to perform continuous operation, and continuing to run for a certain time after the tung oil biodiesel is completely added; performing pressure reduction distillation on the materials after reaction to obtain an improving agent product. The synthesized improving agent can improveabrasion resistance of low-sulfur diesel and low in condensation point, the blending proportion of the improving agent and the low-sulfur diesel is low, and the blended low-sulfur diesel can meet state V lubricating standards.

The invention provides an atomizing nozzle and a hand-hold atomization gas quenching device with the atomizing nozzle, comprising a handle which is internally provided with a gas channel and a liquid channel, and a spraying pipe which is internally provided with a mixed gas channel which is communicated with the gas channel and the liquid channel, and is connected with the handle; the hand-hold atomization gas quenching device is characterized in that: the atomizing nozzle is connected at the end part of the spraying pipe and is provided with a nozzle body with a channel and a rotating head which is matched with the nozzle body and is provided with a cavity and a jet opening; the original way that the gas quenching or the liquid quenching is carried out independently is changed into the way that the gas quenching and liquid quenching are carried out at the same time, thereby having the advantages of liquid quenching and gas quenching; in addition, the device does not need a huge supporting facility and is only matched with a small device, so as to save a great amount of cost and investment for users; in addition, the carrying and usage are convenient, therefore, the hand-hold atomization gas quenching device with the atomizing nozzle is an ideal quenching device.