76results about How to "Simple configuration" patented technology

Disclosed is a wheel cylinder and a drum brake having the same, in which the number of position as well as other elements accompanied with the piston may be reduced, resulting in reduced manufacturing cost.

A flow direction control device of heating stream and cooling stream is prepared as connecting said device separately to the first heat exchange unit, the second heat exchange unit, air conditioner and compressor for controlling heated working fluid from the first heat exchange unit to be sent to air conditioner for being used as the first heat media or to be sent to the second heat exchanger for being condensed there then to send it to air conditioner for being used as the second cooling media in order to make air conditioner output hot and cold alternatively, enabling to set heating course on the first heat exchange unit for providing the third heat media out.

The invention discloses an intermediate-frequency surface shape white light interference splicing measurement method based on polynomial filtering. The method comprises the following steps: carrying out white light interference splicing measurement on an X-ray plane mirror to obtain a group of interference measurement surface shape results with overlapped adjacent sub-aperture space positions; fitting the surface shape result of each sub-aperture by using a Legendre polynomial to obtain a polynomial coefficient under a preset order; fitting according to a polynomial coefficient to generate a fitting surface shape of a corresponding order, and subtracting the fitting surface shapes of all orders from the measurement result to obtain a group of surface shape results subjected to Legendre polynomial filtering; and splicing the filtered shape results according to a least square algorithm to obtain a final measurement result. The method aims at meeting the splicing measurement of sub-nanometer PV precision required by the intermediate-frequency surface shape error detection of the X-ray plane mirror, the least square optimization splicing method is used, the method is not limited by the low-frequency characteristic of the measurement error of the white light interferometer, and the precision and flexibility of the splicing measurement are improved.

This invention discloses a strain of *Neocallimastix* LGM-ZA9 and its application in the preparation of a coumarin-degrading feed additive. *Neocallimastix* LGM-ZA9 is classified as *Neocallimastix* sp., with accession number CGMCC No. 17592, and its optimal growth temperature is 39℃. The fermentation broth of *Neocallimastix* LGM-ZA9 can be used to degrade the anti-nutritional factor coumarin. The method is simple: the coumarin-containing material to be degraded is mixed with the fermentation broth, sterilized, and then the fermentation broth is added for anaerobic fermentation to degrade the coumarin. This preparation method is simple, highly operable, and can significantly reduce the coumarin content, providing a new method for feeding ruminants with sweet clover as a high-quality forage.

The utility model discloses a digital twin operation and maintenance data holographic sensing system for supporting a high-speed railway traction substation, which comprises a substation intelligent monitoring control system. A substation on-line monitoring subsystem, a substation dynamic ring measurement and control subsystem, a substation security monitoring subsystem, a substation unmanned aerial vehicle inspection system, a substation integrated automation system and a substation intelligent monitoring control workstation are respectively connected through a substation intelligent monitoring control switch. A one-way isolation device is arranged between the substation integrated automation system and the substation intelligent monitoring control switch and used for achieving one-way isolation when data of the substation integrated automation system is transmitted to the substation intelligent monitoring control system. The substation unmanned aerial vehicle inspection subsystem is connected with the substation intelligent monitoring switch through the substation wireless access security gateway; and the substation intelligent monitoring control system processes the accessed system data and transmits the processed data to the substation intelligent monitoring control workstation and the railway integrated data network.

A tractor includes: a hydraulic lifting and lowering drive unit 9 configured to lift and lower a three-point linkage mechanism; a load detector 21 configured to swing according to a traction load of an implement; and a mechanical linkage unit 22 configured transmit a swing amount of the load detector 21 to the lifting and lowering drive unit, in which the mechanical linkage unit 22 includes a first linkage mechanism 45 provided on one side in the right and left direction of a vehicle body frame SF and interlockingly linked with the load detector 21, a second linkage mechanism 46 provided on the other side in the right and left direction of the vehicle body frame SF and interlockingly linked with the lifting and lowering drive unit 9, and an operation cable 47 interlockingly linking the first linkage mechanism 45 and the second linkage mechanism 46.

The present application relates to a kind of systems for improving the thermal efficiency of underwater transport platform fuel cell auxiliary system, including water circulation pipeline consisting of fuel cell stack, alloy hydrogen storage tank assembly, circulating water tank and circulating water pump in series;Hot water delivery pipeline;And, oxygen inlet pipeline and hydrogen inlet pipeline;The water outlet of the circulating water tank is divided into two routes, one is connected with fuel cell stack, another is connected with hot water delivery pipeline;The hot water delivery pipeline includes heating water tank that can provide hot water to fuel cell stack, and heating device in heating water tank and heat release by chemical reaction.The present application provides suitable circulating hot water in the temperature range of fuel cell stack and alloy hydrogen storage tank assembly by chemical reaction of heating agent and water heat release for fuel cell system when cold start, high-power variable load and continuous high-power operation, without increasing power consumption, so that the efficiency of the whole system is improved by more than 10%.

The present application easily configures a magnetic sensor and an optical sensor as positions of the magnetic sensor relative to a magnet and the optical sensor relative to an optical disc, respectively, as designed positions. A rotation detection device includes a substrate having an insertion hole of a rotation shaft, a magnetic field forming member rotating along with the rotation shaft, a plurality of magnetic sensors arranged around the magnetic field forming member, a housing accommodating the plurality of magnetic sensors and provided to the substrate, an optical sensor provided to the substrate on a side opposite to the plurality of magnetic sensors, and an optical disc arranged opposite to the substrate across the optical sensor and rotating along with the rotation shaft. The rotation detection device has an adjustment mechanism capable of adjusting positions of the plurality of magnetic sensors relative to the magnetic field forming member by adjusting a position of the housing relative to the substrate in a state where the substrate is positioned by adjusting a position of the optical sensor relative to the optical disc.

A self-centering device (10) for supporting and guiding a bar (B) to be fed to a machine tool, comprising: - a guide body (20) having a through hole (22), rotatably supported and rotating in a controlled manner about an axis (X) perpendicular to the direction of travel (D) of the bar (B) to be guided, to vary its angular orientation about the axis (X); the guide body (20) being configured for receiving and holding in position the rotating and travelling bar (B), - a return member (40) configured for an appropriate preselectable resistance to the rotation of the guide body (20) about said axis (X), so as to maintain the solid coupling and contact of the guide body (20) with the travelling bar (B), - a manual selector member (60; 90) configured for adjusting the position of the guide body (20) and controlling the angular movement thereof. The manual selector member (60; 90) comprises a screw device (66, 70; 92) cooperating with a vibration limiting element (62; 94) to set the angular rest position (36) of the guide body (20) according to the geometry of the bar (B) to be received and guided to said machine tool.

This invention discloses a sample introduction and reaction device for detecting pesticide residues in organic solvent extracts using a liquid-phase enzyme inhibition method. The device includes a reaction tube and a cap, which are detachably assembled. The cap seals the reaction tube and contains a hollow column. A sample introduction card is sealed inside the hollow column, and the reaction tube contains enzyme reagents. This invention can be used for the liquid-phase enzyme inhibition method to detect pesticide residues extracted from organic solvents, eliminating interference from organic solvents in the enzyme inhibition detection. The device integrates the sample introduction card and enzyme reagents beforehand, sealing the sample introduction card within the hollow column for easy portability. The hollow column also serves as a support for solvent evaporation from the sample introduction card, facilitating rapid solvent evaporation. The cap and tube serve a dual purpose. This invention features a simple structure, ease of use, simple operation, short detection time, and low cost. It is suitable for on-site testing of large quantities of samples during food distribution and is easy to promote and use.

The invention provides a service access method and equipment. The method is applied to a first device, and the method comprises the following steps: obtaining a first corresponding relationship between a plurality of service names and a plurality of service identities (ID); a first service ID corresponding to the first service name is determined according to the first corresponding relation, and the first service name comprises the service name of the source service and / or the service name of the target service; and sending a first message to a second device where the target service is located, wherein the first message comprises the first service ID. In the technical scheme, when service access is carried out, service information can be directly associated by carrying the service ID in the first message, so that a manager can configure a network security policy based on the service information, and a source service or a target service of service access can be limited to improve network security.

The application relates to the technical field of automatic control of unmanned aerial vehicles, in particular to a control system of an unmanned aerial vehicle, which comprises a bus, a self-pilot, a plurality of rudder controllers and a plurality of rudder surface driving mechanisms, the self-pilot and each rudder controller are connected to the bus, each rudder controller is electrically connected with the corresponding rudder surface driving mechanism; each rudder controller is provided with a control distribution table mapped with a flight configuration; during the flight of the unmanned aerial vehicle, each rudder controller determines the corresponding control distribution table according to the flight configuration broadcast by the self-pilot; according to the control distribution table, the weight of each control signal participating in control is determined, and the total control signal is obtained by weighted summation of each control signal participating in control; each rudder controller outputs the total control signal to the corresponding rudder surface driving mechanism to realize the control of the rudder surface driving mechanism. That is, the application scheme can relieve the operation and storage pressure of the self-pilot, simplify the configuration of the self-pilot and improve the universality of the self-pilot.

The invention belongs to the technical field of solid-state batteries, and discloses an alloy ion / electron mixed conductor and application thereof. The mixed conductor is prepared by taking antimony powder, lithium powder or sodium powder and at least one metal powder of lanthanum, scandium, yttrium, aluminum, gallium and indium as raw materials through ball-milling mixing, tube sealing annealing and quenching treatment. When the mixed conductor is used as an interlayer of a lithium / sodium metal negative electrode and an electrolyte in the solid-state battery, the growth of lithium / sodium dendrites can be effectively inhibited through a specific nucleation mechanism, and the utilization rate of the metal negative electrode is improved; when the conductive additive is used as a conductive additive of a silicon, red phosphorus or graphite / hard carbon negative electrode material, by virtue of high ion / electron conductivity and good potential stability, the interface side reaction is reduced, and the rate capability and the cycling stability of the negative electrode material are remarkably improved.

A single-light-path atom magnetometer based on any polarization state light splitting metasurface cascade is characterized in that coherent light emitted by a laser passes through a first-stage metasurface to realize light beam splitting in an orthogonal elliptical polarization state, one beam of light in the beam splitting light enters a glass gas chamber for pumping and detection, and the other beam of light enters a photoelectric detector for pumping and detection; the second-stage metasurface is used for monitoring the output light power of the laser device and controlling stable output of the laser device through a control circuit, light emitted out of the glass gas chamber passes through the second-stage metasurface, beam splitting of orthogonal linear polarization components is achieved, the light enters the two photoelectric detectors respectively, and precise measurement of an external magnetic field is achieved through signal processing of a rear-end circuit. The atomic magnetometer has the advantages that complete precise control over pumping and detection in the atomic magnetometer is achieved through cascading of the light splitting metasurfaces which can be integrated and are in any polarization state, meanwhile, system configuration is simplified, and performance improvement and miniaturization are facilitated.

The invention discloses an all-attitude five-axis turning and milling combined machine tool matched with a non-orthogonal main shaft, and belongs to the technical field of high-end numerical control machine tools. According to the technical scheme, the turning and milling machine comprises a machine body and a turning and milling workbench arranged on the machine body, and a sliding seat is movably arranged on the machine body; the X-axis transmission system is arranged on the lathe bed, is in driving connection with the sliding seat and is used for driving the sliding seat to move in the X-axis direction; the Z-axis transmission system is arranged on the sliding seat; the spindle box is in driving connection with the Z-axis transmission system and used for moving in the Z-axis direction. And the turning and milling main shaft is rotatably connected to the main shaft box. The invention has the following beneficial effects: through the combined design of a series of technical characteristics of the 45-degree non-orthogonal main shaft and the-30-180-degree all-attitude adjusting structure thereof, the long-standing technical problems of limited machining range, insufficient angle adjusting precision, low multi-process circulation efficiency and the like of the traditional orthogonal main shaft machine tool are solved; and the machining flexibility, the positioning precision, the whole machine rigidity and the process adaptability are all substantially improved.

This invention discloses a fractional-order numerical analysis method and module for the deformation behavior of high arch dams, relating to the fields of service behavior analysis and computational mechanics technology for hydraulic structures. By constructing fractional-order characterization methods for decaying rheology, steady-state rheology, and accelerated rheology under three-dimensional stress states, fractional-order rheological mechanical element models of the dam body and foundation of high arch dams are established; using the incremental finite element method, based on t n The stress, viscoelastic strain, viscoplastic strain, and deformation at time t are calculated using the predifference formula. n The stress increment, viscoelastic strain increment, viscoplastic strain increment, and deformation increment within the time period are used to derive t. n+1 By repeatedly calculating the stress, strain, and deformation at specific moments, the stress, strain, and deformation of the high arch dam within the analysis period are obtained. This invention not only objectively characterizes the nonlinear rheological effects of the dam body and foundation of the high arch dam, but also achieves scientific numerical quantitative analysis of deformation behavior, providing technical support for safety monitoring and early warning of potential hazards in in-service high arch dams, and has broad application prospects and market potential.

The invention discloses a double-satellite remote sensing system and method based on inter-satellite laser communication and tracking and pointing integration, and relates to the technical field of space remote sensing. The system is composed of a first satellite and a second satellite which fly back and forth in the same orbital plane, and the first satellite and the second satellite are respectively provided with a multispectral camera, a hyperspectral camera and a transmission system integrating tracking and pointing, inter-satellite laser communication and multi-dimensional calibration functions. The transmission system comprises an inter-satellite laser communication load and a Beidou short message backup load, a stable laser link can be established autonomously, and tracking and pointing precision is guaranteed through three calibration modes of fixed star, satellite-ground and inter-satellite. The system transmits trigger information through an inter-satellite laser link, and realizes collaborative observation of multispectral general survey-hyperspectral detailed survey. The method comprises the steps of calibration preposition, laser link establishment, collaborative observation, calibration maintenance and the like, and supports data collaboration and emergency communication. The timeliness and observation precision of double-satellite remote sensing are improved, and the high-reliability and high-timeliness requirements of scenes such as earth surface anomaly monitoring and the like can be met.

The utility model discloses a kind of in-place signal trigger devices, including platform, trigger, first switch, driver, the platform is provided with sliding slot, sliding block, the driver can drive sliding block along sliding slot sliding, the sliding slot is limited to sliding block, the trigger is movably arranged between sliding slot and first switch, the sliding block is contacted with first switch by moving and pushing trigger, the trigger side is abutted with first switch, the other side is abutted with sliding block, the sliding block makes trigger and first switch continue to abut after pushing trigger in place, this in-place signal trigger device can continuously trigger first switch, and good stability.

The utility model discloses a degreasing auxiliary tank structure for quickly cleaning floating foam, which comprises an auxiliary tank body, an overflow component is arranged in the auxiliary tank body, the overflow component comprises two overflow plates arranged between opposite side walls of the auxiliary tank body, the lower ends of the two overflow plates are connected with a bottom plate, and the bottom plate is connected with a bottom plate. The overflow plate, the side wall of the auxiliary groove body and the bottom plate jointly define an overflow groove with the top open, and a discharging opening communicated with the overflow groove is formed in the side wall of the auxiliary groove body. According to the degreasing auxiliary tank, the floating foam in the degreasing auxiliary tank can be removed, the floating foam is prevented from being accumulated too high and overflowing out of the degreasing auxiliary tank, and the working environment is prevented from being polluted by the floating foam.

This invention discloses a high-pressure hot water thermal energy storage phase change constant-pressure system and method for compressed air energy storage power stations, belonging to the field of compressed air energy storage. It includes an atmospheric pressure cold water storage tank, at least one high-pressure hot water storage tank, an energy storage heat exchanger, an energy release heat exchanger, a cold water circulation pump, and a constant-pressure system. A steam space is reserved at the top of the high-pressure hot water storage tank. The constant-pressure system includes a condenser and a high-pressure hot water buffer tank. The constant-pressure system maintains the pressure stability inside the high-pressure hot water storage tank by condensing steam and buffering pressure fluctuations. During energy release, the hot water is driven by the steam pressure inside the high-pressure hot water storage tank, eliminating the need for a hot water circulation pump. This invention, through cold and hot water separation, steam phase change constant-pressure design, and a pump-free design, significantly reduces the number and pressure levels of high-pressure hot water storage tanks, lowers equipment investment, and simultaneously improves thermal storage temperature and system efficiency, providing an efficient and economical solution for the large-scale application of compressed air energy storage power stations.

The application discloses a ground control method and device applied to a single-track railway train control system, and is applied to the technical field of track traffic, wherein the ground control method and device are characterized in that: through receiving multi-source key information such as axle-counting equipment and interlocking equipment, the ground control method and device realize vehicle-ground data interaction by means of 400MHz wireless communication; the ground control method and device divide inter-station separation sections, generate signal authorization and route information packages containing track numbers / branch line numbers, adopt a hierarchical communication mechanism and double-checking to guarantee safety, support multi-vehicle tracking and temporary data real-time updating; meanwhile, the system can identify fault types, enable redundant channels and process according to safety states, realize state monitoring, fault positioning and reporting through a maintenance terminal, and comprehensively improve single-track railway transportation efficiency and driving safety.

In absorbent articles, to enable wearers to easily position the auxiliary absorbent article in the appropriate position, a strip-type disposable diaper (100) is provided, which is formed by connecting a back side (110), a crotch side (120) and a ventral side (130), and is provided with a top sheet (10), an absorbent body (30), a polyethylene sheet (40) and a bottom sheet (20), wherein the polyethylene sheet (40) is formed with threads (S1, S2), which serve as threads for attaching the absorbent body to the back of the diaper. With the inner pads (200, 300, 400) positioned in the appropriate position in the width direction (W), the two side edges (201, 301, 401) of the inner pads (200, 300, 400) are marked with linear markings extending continuously from the dorsal side (110) to the ventral side (130) along the length direction (L), respectively; the absorbent body (30) is formed with a width that does not cover the lines (S1, S2); and the top sheet (10) allows the lines (S1, S2) to be optically transparent.

The application discloses a kind of mobile network's method for detecting packet loss of alternate dyeing, to solve the problem of inaccurate packet loss detection caused by link switching in mobile network.The method comprises: adding detection header to service flow message by encapsulation node, and alternately changing the packet loss dyeing identification value in it with fixed period;Transmission and decapsulation node identify detection header, dynamically calibrate local counting cycle starting point according to the first jump of dyeing value, then carry out period counting and time stamp recording;Each node reports the data containing period start and end time, dyeing value and message count to collector according to specific rhythm;Collector reconstructs the counting sequence of each node according to the reported data, identifies and corrects the counting sequence interruption and time misplacement caused by link switching through intelligent algorithm, and finally accurately calculates hop-by-hop and end-to-end packet loss rate by comparing the corrected counting sequences of upstream and downstream nodes.The application realizes real-time and accurate detection of service flow packet loss in mobile network environment.

The application discloses a Jerusalem unit double-layer FSS broadband wave-absorbing structure and a preparation method and application thereof, and belongs to the field of electromagnetic wave-absorbing technology design in electromagnetic stealth technology. The structure is sequentially arranged from bottom to top as a metal bottom layer, a dielectric layer 1, a patterned resistance layer 1, a dielectric layer 2 and a patterned resistance layer 2. Periodic array distributed multiple unit cell structures are formed on the surfaces of the patterned resistance layer 1 and the patterned resistance layer 2, and each unit cell structure adopts a Jerusalem cross pattern. The Jerusalem unit double-layer FSS broadband wave-absorbing structure provided by the application has a wide-frequency absorption characteristic. Through the regulation of geometric sizes on a macro scale and the structure design on a micro scale, the wave-absorbing structure can realize an absorption rate of more than 99% in a full frequency band of 8-12 GHz, and has a good absorption effect on low-frequency electromagnetic waves.

This utility model discloses an in-vehicle wireless communication module in the field of communication technology. The baseband processing chip in the in-vehicle wireless communication module is bidirectionally electrically connected to the radio frequency transceiver. The radio frequency transceiver is electrically connected to both a radio frequency transmitting component and a radio frequency receiving component. The radio frequency transmitting component includes a first radio frequency transmitting unit, a second radio frequency transmitting unit, and a third radio frequency transmitting unit, each corresponding to a different frequency band operating range. A main antenna and a diversity antenna are connected to the radio frequency transmitting component and the radio frequency receiving component of multiple frequency bands in different combinations via two independent radio frequency channels. The main antenna and the diversity antenna transmit and receive radio frequency signals of different frequency bands via the radio frequency channels. Using this in-vehicle wireless communication module can reduce the overall hardware cost of the in-vehicle wireless communication module and is compatible with multiple communication standards.

Various embodiments of the present invention relate to a method for inspecting whether an electronic device and a communication device included in the electronic device operate normally. A method for checking characteristics of a wireless communication device, according to various embodiments of the present invention, comprises the steps of: providing a wireless communication device at a first location, wherein the wireless communication device includes an antenna array and a wireless communication circuit electrically connected to the antenna array, and the wireless communication circuit is configured to transmit and receive signals having frequencies of 20 Ghz to 100 Ghz and includes a plurality of phase shifters configured to adjust phases of the signals in order to form directional beams together; providing a signal detecting device at a second location separated from the first location so as to detect a wireless signal from the wireless communication device; allowing the wireless communication device to transmit a first signal in a state in which all the phase shifters are configured to have a first delay; detecting a first power of the first signal by using the signal detecting device; allowing the wireless communication device to transmit a second signal in a state in which all the phase shifters are configured to have a second delay; and detecting a second power of the second signal by using the signal detecting device.

The application discloses a process modeling and fault detection method and system for guiding machine learning by control theory, and the method comprises the following steps: acquiring historical operation data of an industrial process, extracting operation dynamics in the historical operation data by using a neural network, and approximating an observer gain part of a kernel representation model to realize complete kernel representation model design; constructing an adjoint system of the kernel representation model by using Hamilton system theory, and guiding and optimizing a learning and training process of the kernel representation model and the adjoint system by using lossless constraints to realize design of a regularized kernel representation model; constructing detection statistics by using residuals of the kernel representation model and the regularized kernel representation model, setting a maximum value of the detection statistics when the industrial process normally operates as a fault detection threshold, and thus realizing fault detection on the industrial process to guarantee safety of the industrial process. In addition, by designing an online fine-tuning strategy, the generalization and applicability of the model are improved, and the method has strong practical value.

This invention proposes a bifunctional catalytic material, its preparation method, and its applications, relating to the field of nanocatalytic materials. The catalytic material consists of a zinc substrate layer, a zinc oxide intermediate functional layer, and an iron oxide surface layer. The zinc oxide intermediate functional layer is composed of an array of zinc oxide nanorods rich in oxygen vacancies. The iron oxide surface layer is loaded onto the surface of the zinc oxide nanorods. This catalytic material can efficiently degrade and inactivate organic pollutants and pathogenic microorganisms in the collected water while simultaneously capturing water from the air, producing clean water that is directly drinkable. Furthermore, it utilizes atmospheric oxygen and the collected water to spontaneously and continuously generate hydrogen peroxide on-site, which is then converted into hydroxyl radicals through a Fenton-like reaction, thus eliminating the need for external power input or additional chemical disinfectants and oxidants. This solves the problem of existing atmospheric water harvesting technologies generally neglecting water source pollution and significantly reduces the operating costs of water purification systems.

The invention discloses an energy-saving pressurizing and heating integrated system suitable for a high-altitude area, and relates to the technical field of plateau environment safeguard, and the energy-saving pressurizing and heating integrated system comprises a distributed compressor unit which is formed by connecting a plurality of independent low-power air compressors in parallel and is used for jointly providing pressurized air for a closed cabin; the integrated heat exchange pipeline network comprises a main air supply pipe and a wall-embedded heat exchange coil pipe, and the main air supply pipe is connected with an air outlet of the distributed compressor unit and the closed cabin; the wall-embedded heat exchange coil pipe is laid inside or on the surface of an enclosure structure of the closed cabin, an inlet of the wall-embedded heat exchange coil pipe is communicated with the main air supply pipe, and an outlet of the wall-embedded heat exchange coil pipe is led to the inner space of the closed cabin. The coil pipes laid in the wall body and the floor are directly used for increasing the surface temperature of the cabin body, radiant heating is achieved, and heat originally needing to be dissipated through additional energy consumption is effectively utilized.

The present invention relates to a dog clutch actuator and a dog clutch system including the dog clutch actuator. The dog clutch actuator includes a pull sleeve installed to a shaft and movable in an axial direction to push or pull a dog clutch moving part movably connected to the shaft in the axial direction, a base plate movably installed to the pull sleeve, a wedge block installed to the base plate and movable radially with respect to the base plate, a shape memory alloy wire connecting the base plate and the wedge block and configured to contract and expand according to whether power is supplied to move the wedge block, a slider movably installed to the pull sleeve and forming cam contact with the wedge block to push the dog clutch moving part and disposed between the wedge block and the dog clutch moving part, and at least one actuator spring elastically connecting the base plate and the slider.