175results about How to "Realize requirements" patented technology

The invention discloses a power cable intelligent segmentation management method and system, and belongs to the field of power supply management, and the method comprises the steps: setting a first time sequence segmentation influence coefficient and a second time sequence segmentation influence coefficient, and building a dynamic decision node; acquiring cable layout information of a to-be-monitored power cable; configuring a backtracking time window, and establishing backtracking basic parameters of the power cable to be monitored; according to the backtracking basic parameters, adaptive analysis of balancing task requirements and balancing climate influences is carried out, and a first clustering constraint is generated based on an adaptive analysis result; and establishing a first clustering constraint according to the cable layout information, establishing a second clustering constraint according to the cable layout information, establishing a dynamic segmentation strategy according to the first clustering constraint, the second clustering constraint and the dynamic decision node, allocating an edge joint early warning network, and executing segmentation management based on the edge joint early warning network. A segmentation strategy is dynamically generated based on multi-dimensional data, precise and intelligent early warning and management of the power cable are realized, and the early warning response speed and accuracy are improved.

The invention relates to an agricultural waste intelligent classification and processing system, which comprises a sensor system, a data acquisition and processing module, an intelligent algorithm module, an execution mechanism module and a user interface, the data acquisition and processing module cleans and preprocesses sensor data and extracts data features, the intelligent algorithm module provides a feasible scheme for classification and processing of agricultural wastes in the environment, and the execution mechanism module selects automatic processing programs including waste incineration and organic matter composting according to classification results. The user interface provides an interface for interaction between a user and the system, allows the user to monitor the operation state of the system, inquire the processing result and carry out necessary adjustment, and the system realizes intelligent processing of agricultural wastes, improves classification accuracy and processing efficiency, and provides an innovative solution for environmental protection and resource recovery.

The invention relates to a marine reverse osmosis seawater desalination equipment system which comprises a raw water pretreatment module, a primary reverse osmosis module, a secondary reverse osmosis module and an energy recovery module, raw water is preliminarily filtered by the raw water pretreatment module, then pressurized by the first-stage high-pressure pump and injected into the first-stage reverse osmosis module to generate first-stage high-pressure concentrated water, and the first-stage high-pressure concentrated water pressurizes low-pressure raw water treated by the raw water pretreatment module through the energy recovery module, then pressurized by the pressure lifting pump and injected into the first-stage reverse osmosis module; the first-stage high-pressure concentrated water is pressurized by a second-stage high-pressure pump and injected into a second-stage reverse osmosis module to generate second-stage high-pressure concentrated water, and the second-stage high-pressure concentrated water is recycled; according to the equipment system, the TDS of produced water is detected, and the pressure of the primary reverse osmosis module and the pressure of the secondary reverse osmosis module are controlled, so that the equipment system realizes maximization of produced water, efficient integration of the system, complete functions, high water production efficiency, full-automatic control and wide application scene under the condition that the equipment system meets the quality requirement of the produced water.

The utility model discloses a refractory material sintering kiln which comprises a kiln body, a filter box is fixedly installed on the top of the kiln body, a heat exchange box is fixedly installed on the top of the filter box, smoke exhaust pipes are fixedly installed on the two sides of the top of the kiln body, and the other ends of the smoke exhaust pipes penetrate through and extend into the filter box. A filter screen is fixedly installed in the filter box and close to the top of the filter box, heat exchange pipes are connected to the two sides of the top of the filter box in a penetrating mode, and the top ends of the heat exchange pipes penetrate through the heat exchange box and are connected with smoke outlet pipes in a penetrating mode. According to the utility model, through the matching of the structures, the heat exchange of the flue gas discharged by the kiln is realized, so that the flue gas can be supplied to the heating and preheating requirements in the production process, the temperature of the discharged flue gas can be reduced, the energy loss can be reduced, and the thermal pollution can be reduced.

The embodiment of the invention provides a micro-fluidic chip and an organoid capturing, drug sensitivity testing, releasing and splitting method. The chip comprises an air valve layer, a thin film layer and a drug sensitivity layer, a thin film layer and an air valve layer are sequentially laminated on the drug sensitive layer; the air valve layer performs on-off control on a flow channel on the drug sensitive layer through the thin film layer; the drug sensitive layer is provided with a first liquid inlet, a drug incubation area, a release liquid inlet, a collection area and a first liquid outlet; the medicine incubation area is respectively communicated with the first liquid inlet and the first liquid outlet through runners; the medicine incubation area is provided with an organoid capture sub-area; the collecting area is communicated with the medicine incubation area through a flow channel; the release liquid inlet is communicated with the medicine incubation area through the flow channel; a release liquid is introduced into the drug incubation area through the release liquid inlet; on the basis of on-off control of a flow channel on the drug sensitive layer by the air valve layer, the organoid capture sub-region releases the organoid; organ-like parts released by the organ-like part capturing sub-area are collected in the collecting area through the flow channel.

The present invention discloses a catalyst carrier mesh belt kiln, which belongs to the technical field of mesh belt kilns, including a kiln body, an inner cavity of the kiln body is provided with a conveyor mesh belt, and power is provided between the conveyor mesh belt and the kiln body through a magnetic conductive mechanism, a pushing mechanism for pushing the catalyst material is provided on the top of the conveyor mesh belt, and a spreading mechanism for spreading the catalyst material is provided on the side of the pushing mechanism. The present invention sets a magnetic conductive mechanism and utilizes the application of magnetic power-on technology to achieve rapid switching of the connection and disconnection of the circuit, and at the same time sets the conveyor mesh belt in a segmented connection mode, and powers on through the mutual magnetic connection of the first magnetic block and the second magnetic block, and powers on the conveyor mesh belts currently connected separately through the heat conductive block, so that the catalyst at the current position can be roasted or dried, and the problem of excessive accumulation of catalysts, resulting in excessive volume and affecting the roasting or drying effect can be avoided.

The invention discloses a water plugging method and device for a high-water-content oil well, and the method comprises the steps: obtaining the oil reservoir geological information of a target water plugging well, and analyzing a water discharge reason based on the oil reservoir geological information; determining a water plugging strategy based on the water outlet reason; based on the oil reservoir geological information, establishing a three-dimensional geological model for the target water plugging well; simulating and representing a dynamic water plugging process of the water plugging strategy in a three-dimensional geologic model by utilizing a physical simulation method, and simulating the processes of oil well water channeling, water plugging construction and post-plugging production of the target water plugging well by utilizing a numerical simulation method; selecting a plugging agent according to the actual oil reservoir demand and the site construction condition of the target plugging well, and determining an auxiliary agent of the plugging agent to prepare the plugging agent; and performing water plugging construction on the target water plugging well by utilizing the prepared plugging agent according to a simulation process of water plugging construction. The water plugging efficiency and the water plugging effect of the target water plugging well are improved.

The invention discloses a method and a system for displaying a real-time vehicle track with a controllable refresh rate, and relates to the technical field of intelligent networked automobiles, and the method comprises the following steps: receiving real-time data of a vehicle; setting a rendering refresh rate f1; performing interpolation frame compensation on all adjacent data points in the real-time data, and recording a corresponding frame rate during frame compensation; setting a count value as 0; executing a callback function, and adding 1 to a count value; judging whether the current count value meets the requirement or not, if so, executing a method for rendering interpolation point locations, drawing the interpolation point locations into the browser by adopting a frame rate corresponding to frame supplementation, and clearing the count at the same time; and if the requirement is not met, returning to execute the function callback step. By customizing the rendering refresh rate, interpolation processing under different refresh rates is realized, and the problem of inconsistent movement speeds of vehicles on a map caused by fluctuation of the refresh rate of a Web browser in the prior art is solved, so that the accuracy and coherence of track display are improved.

The utility model provides a free overturning, rotating and translation auxiliary hoisting device for an aircraft landing gear, and relates to the technical field of automatic manual auxiliary assembly. The device comprises a movable base, the left end of the movable base is provided with a rotating stand column, the top end of the rotating stand column is provided with a translation structure, the lower end of the translation structure is provided with a revolving bed structure, and the lower end of the revolving bed is connected with an undercarriage overturning structure through a lifting device. And an undercarriage three-point clamping tool is arranged at the side end of the undercarriage turnover mechanism. The heavy-load workpiece lifting device replaces manual work to repeatedly lift workpieces, so that different posture change requirements of disassembly and assembly of heavy-load workpieces are met, and the production efficiency is greatly improved.

The utility model provides a die finish-milling processing system, which comprises a workbench, a tool changing system, a controller, an oil gas pressure system, an illuminating system, a lathe bed, a cooling system and a blowdown system, can finish processing tasks in an extremely short time, greatly improves production efficiency, and is convenient to operate due to the fact that only one-time clamping is needed. According to the die machining device, machining can be highly centralized and accurately controlled, high-precision machining is achieved, the complex and fine requirements are met, the number of times of transportation of workers can be reduced, and multi-aspect rapid, efficient and accurate machining of the die can be achieved at a time.

The utility model discloses a gantry type double-station wood processing center which comprises a machine body, a gantry frame, a processing machine head, an adsorption positioning mechanism and a control mechanism. The machine body is provided with a workbench which is provided with a first working position and a second working position which are sequentially arranged. The adsorption positioning mechanisms are respectively arranged on the first working position and the second working position; the machining machine head is arranged on the portal frame, and a displacement device is arranged on the machine body and is in driving connection with the portal frame. The control mechanism is provided with two center consoles, and the two center consoles are connected to the adsorption positioning mechanism located at the first working position and the adsorption positioning mechanism located at the second working position correspondingly. In this way, the workpieces are machined, taken and placed on the first work station and the second work station respectively, the production efficiency of the workpieces is improved, particularly, the single workpiece machined in a large stroke can be placed on the first work station and the second work station to be machined, the single-station or double-station machining requirement of the workbench is met, the use requirement of a user is met, practicability is high, and the working efficiency is improved. The application range is wide.

The utility model relates to a rocket engine vertical transportation packing box, which comprises a buffer base, a shell outer cover, a plurality of groups of pull rod components, a support component and a clamp component, an engine is vertically placed at the upper end of the buffer base, and the pull rod components are respectively connected between the middle part of a main body of the engine and the buffer base in an obliquely upward manner. The clamping hoop assembly is arranged on the throat portion of the engine in a clamped mode and connected with a turbine pump of the engine through the connecting rod assembly extending upwards in an inclined mode, at least one supporting assembly is connected between the buffering base and the upper portion of the throat portion of the engine in an inclined mode, and the supporting assemblies are connected with the supporting assemblies in an inclined mode. At least one supporting assembly is connected between the buffering base and a turbine pump of the engine in an obliquely upward mode, the engine is covered with the shell outer cover, and the lower end of the shell outer cover is connected and assembled with the buffering base. The device has the advantages of being simple in structure, stable, reliable, small in occupied space, high in disassembly and assembly efficiency, high in universality and the like, and the requirements for vertical transportation and storage of rocket engines can be met.

The invention discloses an externally-wrapped concrete UHPC-stainless steel combined formwork air shaft structure and a construction method, the externally-wrapped concrete UHPC-stainless steel combined formwork air shaft structure comprises a UHPC-stainless steel combined formwork, staggered hole PBL shear keys, a reinforcement cage and external concrete, the UHPC-stainless steel combined formwork comprises a stainless steel cylinder and prefabricated UHPC, and the staggered hole PBL shear keys are arranged on the outer wall of the stainless steel cylinder. The performance advantages of a combined structure and an assembly type structure are combined, the rigidity and the bearing capacity of the UHPC-stainless steel combined formwork are enhanced, and the problems that a traditional stainless steel sheet is prone to deformation, bulging and protruding in the construction stage are effectively solved. Connection of the prefabricated UHPC, the stainless steel cylinder and external concrete is completed through the staggered hole PBL shear keys, the shear resistance between interfaces is improved, and cooperative work of all parts is guaranteed. The modular assembly type construction technology is adopted, the construction efficiency and the construction progress can be remarkably improved, the well wall thickness and the material consumption are reduced, and the method has remarkable performance advantages and wide application prospects in nuclear engineering structures.

The invention relates to a temperature control method and device and a storage medium. The temperature control method comprises the steps that the current environment temperature of the environment where the electronic equipment is located at present is obtained, a current temperature control strategy corresponding to the current environment temperature is determined, and a corresponding relation exists between the environment temperature and the temperature control strategy; and performing temperature control on the electronic equipment according to the current temperature control strategy corresponding to the current environment temperature of the electronic equipment. According to the technical scheme, the corresponding temperature control strategy can be switched according to the current environment temperature, temperature control over the electronic equipment is achieved, and better experience is provided for a user.

The application provides a steel coil spray printing control method and system, the method comprising: reading a spray printing mode field to a data area according to rolling plan information, the spray printing mode field being determined according to a steel coil order contract number; generating hot spray printing machine setting information according to the spray printing mode field, and sending the hot spray printing machine setting information to a control unit of a steel coil transport area when a finishing F1 rack bites steel; associating the spray printing mode field corresponding to the steel coil with a coil transport trolley through the control unit, so as to track the position of the steel coil based on the spray printing mode field; when the steel coil is conveyed to a preset position, determining steel coil spray printing information according to the spray printing mode field to control a hot spray printing machine to complete steel coil information spray printing. The application can meet the demand of different spray printing information of the steel coil, reduce the consumption of steel coil hot spray paint auxiliary materials, reduce the fixed cost of per ton of steel, and reduce the failure rate of the mechanical arm of the hot spray printing machine.

The application provides a micro-robot multiple-release short section based on pin and groove reversing, which comprises a driving mechanism, a reversing mechanism and a releasing mechanism; the reversing mechanism comprises a reversing mechanism shell, a rotating body is nested in the reversing mechanism shell in a rotating manner, and a rotating pin connecting body is nested in the rotating body; a plurality of straight guide grooves are formed on the inner surface of the rotating body along the axial direction of the rotating body, and a plurality of spiral grooves are formed on the inner surface of the rotating body, each spiral groove being located between two adjacent straight guide grooves; a plurality of rotating pins are arranged on the outer surface of the rotating pin connecting body; the plurality of rotating pins are configured to perform radial expansion and contraction movement along the rotating pin connecting body; the releasing mechanism comprises an upper end cover, and a load cabin is nested in the upper end cover in a rotating manner; a plurality of micro-robot storage cavities are formed on the outer periphery of the load cabin, and a release port is formed in the upper end cover. The micro-robot is released multiple times, the full wellbore temperature and pressure profile is dynamically monitored, and the timeliness of data is improved.

The application discloses a gradient cemented carbide with solid solution change distribution and a preparation method thereof. The gradient cemented carbide comprises a poor-FCC high-toughness area, a rich-FCC high-hardness area and a core area from outside to inside. The thickness of the poor-FCC high-toughness area is denoted as L1, the thickness of the rich-FCC high-hardness area is denoted as L2, the ratio of L2 to L1 is 1.1-5:1, and the ratio of the EBSD calibration area of the rich-FCC high-hardness area to the core area is 1.1-3:1. The preparation method comprises preparing raw materials according to the elements and proportions of the gradient cemented carbide, pressing forming and alloy sintering. The gradient cemented carbide can realize the double high characteristics of the high-toughness surface layer and the high-hardness subsurface layer at the same time without changing the alloy matrix component system and the hard phase particle size system, thereby significantly improving the high-temperature plastic deformation resistance of the cutter.

The application relates to a full polarization high-gain wide-band conformal antenna, belongs to the technical field of electromagnetic propagation and energy collection, and particularly relates to a full polarization high-gain wide-band conformal antenna and a small-size rectifier circuit. The application conforms to the inner wall of an energy collection box by using an improved structure simple Yagi antenna, expands the working frequency band range of the antenna, is convenient for integration with equipment, and reduces the size of the energy collection device. The application designs an ultra-wide-band and compact structure quadrature coupler which is integrated at the bottom of the device. The quadrature coupler can realize 3db coupling in a wide frequency band range, evenly divides the energy received by each port into two paths, and solves the problem of low efficiency caused by the imbalance of the rectifier link in the prior art. The rectifier is small in size, has a good joint simulation effect, and is convenient for integration. The antenna can work in different radio frequencies and power ranges.

The utility model discloses a differential mechanism half axle gear gap detection device, its characterized in that: including work table, measuring mechanism, compacting mechanism, thrust reset mechanism, open mechanism, with the upper positioning assembly and lower positioning assembly of differential mechanism cooperation. The utility model structure has compact overall structure, and strong compatibility, and convenient and fast operation, and adjustment function is convenient, can be suitable for a variety of model differential mechanism half axle gear gap detection, saves production manufacturing cost, and has higher equipment practicality and comprehensive utilization rate simultaneously.

The invention provides a large-opening load cabin of a space station. The large-opening load cabin is composed of a cabin body structure (1), a load module (2), a load supporting seat (3), a load auxiliary support (4), a mechanical arm (5) and a guide rail (6). The load cabin is cylindrical and can be used as a part of an independent cabin section of the space station, various load modules can be mounted in the load cabin, and a large opening is formed in one transverse side of the load cabin to ensure that the load modules can enter and exit from the cabin safely. The load module is further connected with the cabin body through a mechanical arm and used for pushing the load module out of / withdrawing the load module into the cabin body and conducting positioning and pointing on the load module. The mechanical arm is installed on a guide rail on one side of a large opening of the cabin structure and moves on the guide rail to position different positions of the load module so as to expand the movement range of the load module. The load cabin can meet the requirement that the space station view field pointing type effective load can meet the fairing envelope limitation and cannot be shielded by view fields of other structures and equipment on the space station.

The embodiments of the present disclosure provide a microfluidic chip and a method for organoid capture, drug sensitivity testing, release and lysis, wherein the chip comprises an air valve layer, a thin film layer and a drug sensitivity layer; the thin film layer and the air valve layer are sequentially stacked on the drug sensitivity layer; the air valve layer controls the on-off of the flow channel on the drug sensitivity layer through the thin film layer; the drug sensitivity layer is provided with a first liquid inlet, a drug incubation area, a release liquid inlet, a collection area and a first liquid outlet; the drug incubation area is connected to the first liquid inlet and the first liquid outlet through the flow channel respectively; the drug incubation area has an organoid capture sub-area; the collection area is connected to the drug incubation area through the flow channel; the release liquid inlet is connected to the drug incubation area through the flow channel; wherein the release liquid is introduced into the drug incubation area through the release liquid inlet; and based on the on-off control of the flow channel on the drug sensitivity layer by the air valve layer, the organoid capture sub-area releases the organoid; the organoids released from the organoid capture sub-area are gathered in the collection area through the flow channel.

A first lens L1, a second lens L2, a third lens L3 and a fourth lens L4 are sequentially arranged from an object side to an image side along an optical axis, the abbe number of the first lens L1 is V1, the abbe number of the second lens L2 is V2, the abbe number of the third lens L3 is V3, the abbe number of the fourth lens L4 is V4, and V1, V2, V3 and V4 meet the following conditions: 2.8 < = V1-V2 < = 11.6; and 0 < = V3-V4 < = 40.8. According to the lens, optimization of optical performance and miniaturization of the lens are realized; the lens of the invention has the performance of high resolution and large light transmission.

The invention discloses a rudder spreading test device which comprises a fixing block (1), a pull rope (2), a pressing block (3), a supporting rod (4), a bottom plate (6), a support (7), a steering engine room (8) and a pin pusher simulation combination module (9). A plurality of supports (7) are arranged on the outer side of the lower surface of the bottom plate (6), a steering engine room (8) and a pin pusher simulation combination module (9) are fixed to the center of the lower surface of the bottom plate (6), and the pin pusher simulation combination module (9) is located in the center of the steering engine room (8); one end of the supporting rod (4) is fixed to the outer side of the upper surface of the bottom plate (6), and the other end of the supporting rod (4) is connected with the lower surface of the fixing block (1). The pull rope (2) is fixed in the center of the lower surface of the fixing block (1), and the pressing block (3) is arranged at the lower end of the pull rope (2).

The invention discloses an E-Bike chain-free power assisting system which comprises a power assisting bicycle. The power-assisted bicycle comprises a generator, a generator controller, pedals, a motor, a motor controller and a battery. The pedals are in transmission connection with a rotor of the generator through a crank, and the generator and the battery are installed on the power-assisted bicycle. The motor is in driving connection with a rear wheel of the power-assisted bicycle; when the pedals are treaded, the generator generates electricity, and the motor drives the power-assisted bicycle to advance; when the pedals are not treaded, the motor stops driving the power-assisted bicycle to advance until the motor stops driving the power-assisted bicycle; the motor controller is used for adjusting the speed of the power-assisted bicycle according to the change of the pedaling frequency and pedaling force of the pedals collected by the generator controller; a rider can start the bicycle more easily and has more comfortable pedaling frequency at a high speed; when the electric quantity of the battery is low, the output power of the generator is increased by increasing magnetic resistance, so that the long endurance of the power-assisted bicycle is realized; and the comfort is ensured while long endurance is considered.

The present invention relates to the technical field of waste heat energy utilization, and specifically to a waste heat recovery refrigeration and heat pump dual-purpose unit. By setting an evaporator, a condenser, a generator and an absorber, as well as a refrigerant and a lithium bromide solution arranged therein, the heat of industrial waste hot water is converted into a refrigeration or heating driving force to meet the process refrigeration or process heating requirements. By setting a refrigeration conversion valve, a heating conversion valve, and a first connecting pipeline and a second connecting pipeline, the switching of different liquid flow directions is achieved, and the pressure difference between the evaporator and the condenser and the pressure difference between the generator and the absorber are adjusted, thereby achieving one machine for two uses. The process waste heat can be used for refrigeration in summer to meet the process cold demand, and hot water or steam can be produced in winter to meet the process heat demand. The year-round utilization of the process low-temperature waste heat is achieved to solve the problem that it cannot be effectively utilized in winter. The process low-temperature waste heat is not restricted by region and can be used throughout the country. It can be switched and used according to the refrigeration or heating requirements.

The application relates to the field of intelligent control seeding test in modern agriculture, and discloses an intelligent seed pneumatic conveying characteristic test platform, which comprises a rack, a centralized seed sowing device, a pneumatic pipeline conveying device, a uniform seed distributing device, a movable mounting bracket and a PLC control system. The centralized seed sowing device comprises a centralized seed sowing wheel, and the centralized seed sowing wheel comprises a plurality of seed sowing rings. The uniform seed distributing device comprises a uniform seed distributing device support, a second seed distributing pipe, a pressure sensor, an annular grating sensor, various seed distributing channels, a weighing sensor and a uniform seed distributor. The PLC control system is connected with the sensor. The pneumatic live seeding and the uniform minute test can be carried out, and the pneumatic live seeding technology and the uniform seed distributing technology are provided with reference for research.

This utility model relates to the field of medicine delivery vehicle technology, and in particular to a medicine delivery vehicle with a classified medicine storage structure. It includes a mobile vehicle body, medicine storage boxes, fixed partitions, movable partitions, guide blocks, fixed blocks, ratchet plates, positioning rods, positioning rings, return springs, bottled medicine racks, and boxed medicine racks. The mobile vehicle body has two sets of medicine storage boxes inside. Fixed partitions are fixedly installed inside each medicine storage box, and movable partitions are installed inside each medicine storage box. A ratchet plate is fixedly installed on the rear side wall of each medicine storage box. A positioning rod is installed inside the fixed block, and a return spring is fixedly installed at the upper end of the positioning ring. Two sets of bottled medicine racks are installed on both sides of the top of the movable partition, and multiple sets of boxed medicine racks are installed on both sides of the inside of each medicine storage box. This medicine delivery vehicle with a classified medicine storage structure, during use, not only ensures the safe storage of medicines by flexibly adjusting the storage space and combining the use of bottled and boxed medicine racks, but also improves the efficiency of medicine retrieval and placement.

The invention discloses a device and a method for preparing a metal sewing thread for a sewing machine, a sewing thread and a special sewing machine, designs a pure metal sewing thread formed by twisting and annealing seven superfine stainless steel monofilaments, adopts the special sewing machine, and can realize machine sewing; in the metal sewing thread preparation device, a whole set of sewing thread production equipment is designed, the phenomenon of thread breakage in the production process can be effectively reduced, and meanwhile the flexibility of the sewing thread is improved through annealing equipment. A special metal sewing thread guide device is designed on the sewing machine for the metal sewing thread, so that the special metal sewing thread guide device can be matched with the up-and-down moving stroke of the sewing thread, and automatic sewing of the metal sewing thread is achieved. According to the design, not only are the flexibility and strength optimization of the metal sewing thread achieved, but also automatic sewing of the pure metal sewing thread on a sewing machine is achieved.

The invention discloses an audio playing method and device based on main and standby path switching. In the application, when it is detected that a voltage exists in a first power port, first data sent by an audio data sending terminal is received in real time through a network link; detecting whether the first data comprises heartbeat data or not according to a preset time frequency; if not, switching to a standby path to play the standby audio signal; otherwise, extracting a first audio signal from the first data, and processing the first audio signal to obtain a first analog signal; judging whether the first analog signal contains a mark signal or not; if so, switching to the standby path to play the standby audio signal; and otherwise, playing the first analog signal by adopting a main path. According to the invention, the real-time performance and completeness of the audio data in the broadcasting process can be improved.

The invention discloses a centrifugal air conditioner driven by low-temperature waste heat and a water heating device, and relates to the field of low-temperature waste heat and renewable clean energy utilization. The device comprises a steam generator, a centrifugal compressor, a lubricating oil tank, a condenser, an evaporator, a lubricating oil pump, a refrigerant pump, a heat source pump, an expansion valve, a constant-temperature energy storage water tank, a chilled water tank, a cooling water tank, a cold water supply pump, a heat storage water tank heat exchange coil inlet, an auxiliary electric heater, a sanitary hot water booster pump, a cold and hot water circulating pump, a cooling water circulating pump, a cold water pipeline and a hot water pipeline. The electric valve and the electric control system are arranged, external waste heat energy can be recycled and converted into indispensable cold and heat sources and sanitary hot water in daily production and life by adjusting starting and stopping of the circulating pump and closing of the valve in the corresponding operation mode through the control system, energy is saved, and meanwhile the life quality of people is improved.