33results about How to "Avoid shortages" patented technology

The invention discloses a heat pump hot water system and a control method of the heat pump hot water system. The system comprises a controller, a heat pump unit, a water storage tank and a water supply pipeline. The first water outlet end of the water storage tank is communicated with the water inlet end of the heat pump unit to form a first pipeline, and the water storage tank is communicated with the water outlet end of the heat pump unit to form a second pipeline. The water storage tank, the first pipeline, the heat pump unit and the second pipeline are sequentially connected to form a circulating heating loop, and the water supply pipeline, the first pipeline, the heat pump unit and the water storage tank are sequentially connected to form a direct heating loop. The water supply pipeline is provided with a water supply pump, a first electromagnetic two-way valve, a flow sensor and a second electromagnetic two-way valve which are sequentially connected in series, and the first pipeline is provided with a circulating water pump which is electrically connected with the controller. By the adoption of the heat pump hot water system and the control method, the integration of a circulating heating mode and a direct-heating heating mode of a heat pump water heater can be effectively achieved, and the hot water supply capacity of the heat pump water heater is improved, so that improvement of the use comfort of users is facilitated.

The invention discloses a method and equipment for preparing an organic fertilizer from river and lake bottom mud and livestock and poultry manure, and belongs to the technical field of resource utilization of river and lake bottom mud. The invention relates to a method for preparing an organic fertilizer from river and lake bottom mud and livestock and poultry manure. The method comprises the following steps: conveying bottom mud to a ship for filter-pressing dehydration; settling and flocculating the sludge and performing material property improvement; performing innocent treatment on supernate, and dehydrating and innocent treatment on sludge; mixing the sludge with the straw; pressing the sludge into a mud cake; decomposing livestock and poultry manure in a storage yard; mixing the mud cake with the puffed organic material; composting finished organic fertilizer; and weighing, packaging and outputting finished products. According to the method, the sediment and the livestock and poultry manure are organically combined, a certain amount of straw or reed is added, and utilization of the sediment can be achieved while desilting is conducted; therefore, the occupied area of the whole bottom mud pretreatment system is reduced, and the bottom mud treatment period is shortened. Raw materials such as composted livestock and poultry manure and straw are mixed with sludge, an industrial assembly line can be directly formed on site, the production efficiency is high, the investment cost is low, and the applicability is high.

The invention discloses a mode switch control method of a hot water system of a heat pump. The method comprises the following steps: when the hot water system of the heat pump operates, keeping a heatpump unit in a started state; when the hot water system operates in a circulating heating mode, starting a circulating water pump of a first pipeline and keeping a valve of a water supply pipeline inan opened state, and detecting the current flow of the water supply pipeline in real time; when the current flow of the water supply pipeline is greater than the preset minimum flow, stopping the circulating water pump to switch to a direct heat type heating mode; when the hot water system operates in the direct heat type heating mode, opening the valve of the water supply pipeline and closing the circulating water pump; when a water level switch of a water storage tank is closed, starting the circulating water pump and closing the valve of the water supply pipeline or decreasing the opennessof the valve of the water supply pipeline to switch to the circulating heating mode. The method provided by the invention integrates the circulating and direct heat type heating modes of a hot watermachine of the heat pump effectively and improves the hot water supply ability of the hot water machine of the heat pump, so that the using comfort of a user is improved favorably.

The invention discloses a hospital management analysis system based on big data. The system comprises a data acquisition module, a data receiving module, a controller, a database, a payment unit, an accounting unit, a predicting unit, a data analysis module, an intelligent device and an executing unit. The data acquisition module is used for acquiring some data information of a hospital. The datainformation comprises sickbed number information and diagnosis information. The diagnosis information comprises outpatient number information and in-hospital number information. The data acquisition module transmits the data information to the data receiving module. The data receiving module receives the data information which is transmitted by the data acquisition module and transmits the data information to the controller. The hospital management analysis system predicts the medicament selling volume in this week through an actual medicament selling volume and a predicted received patient number in this week, thereby making a preparation in advance, preventing medicament shortage, facilitating in-time medicament taking of diagnosis persons and improving working efficiency.

The invention provides a renewable spent lye filter device and a using method thereof. The filter device comprises a shell mechanism, a filter element component and a screen filter, wherein the shell mechanism is provided with a filter chamber; the filter element component comprises a filter element; the screen filter is installed in a preset position of the filter chamber and faces the filter element at intervals, so that a first filtering area and a second filtering area are formed in the filter chamber; large-particle impurities are intercepted in the first filtering area by the screen filter; the filter element is arranged in the second filtering area; particulate impurities are filtered by the filter element. The filter device has the beneficial effects that the filter capacity and filter precision of the spent lye are effectively improved and the activity of the lye is restored through multistage filtration of the spent lye, thus achieving the aims of effectively purifying and recycling the spent lye in wash bottles.

The invention discloses a reciprocating wire-electric discharge machining tool. The reciprocating wire-electric discharge machining tool comprises a working solution box, a body, a lower slide plate, an upper slide plate, a support frame, an overturning table, a rotating table, a working table, a wire conveying device, a power supply and a control cabinet, wherein the working solution box is connected with the body through a solution inlet tube and a solution outlet tube; the lower slide plate is arranged at the upper end of the body; the upper slide plate is arranged at the upper end of the lower slide plate; the overturning table, the rotating table and the working table are successively arranged at the upper end of the upper slide plate; the wire conveying device comprises a wire slide carriage, a protecting cover, a wire storage barrel, a guide wheel, a wire electrode and a wire rack; the overturning table drives the working table to swing; and the rotating table drives the working table to rotate. Requirements of processing of a workpiece at different angles and in different directions are met, and when a stamp die with a blanking oblique angle and certain tapered inner and outer surfaces, particularly large-thickness workpieces, are cut, the circumstance of insufficient supply of working solution due to inclining of the wire electrode is avoided. The reciprocating wire-electric discharge machining tool is simple in structure and reasonable in design; labor intensity of workers can be reduced; and machining precision and production efficiency are improved.

The invention provides a material kitting judgment method, and belongs to the technical field of automobiles. The method solves the problem that an existing manual calculation method is low in material kitting judgment accuracy. The material kitting judgment method comprises the following steps of: constructing a virtual factory model and a production calendar in a simulation system; performing initialization setting on the virtual factory model, so that the automobile order sequence information is mapped to a corresponding station of the virtual factory model; carrying out simulation by using the constructed virtual factory model and the production calendar, and generating a vehicle passing point prediction time table; combining the vehicle passing point prediction time table with the vehicle manufacturing material list and the process list to obtain a material demand time prediction table of each vehicle passing each station; comparing and analyzing the material inventory information and the material information in the material demand time prediction table, and obtaining a judgment result about whether the materials of each automobile are matched or not. According to the invention, the material demand can be accurately calculated, and the accuracy of material kitting judgment is improved.

The invention discloses a camera site selection method, device and equipment and a computer readable storage medium, and the method comprises the steps of obtaining the assembly information of a plurality of cameras, and the assembly information comprising the installation positions of the cameras and the monitoring ranges of the cameras; according to the assembly information of the plurality of cameras, constructing a camera site selection model, and constraint conditions of the camera site selection model comprising camera constraints, camera starting number constraints and camera monitoring range constraints in an area needing to be monitored; and solving the camera site selection model by adopting an improved immune algorithm to obtain a camera site selection layout scheme. By adopting the embodiment of the invention, the cameras in the public place can be reasonably arranged, so that monitoring blind areas caused by camera monitoring and view shielding by shelters are avoided, and the utilization rate of the cameras is further improved.

The invention belongs to the technical field of oil-water separation, particularly relates to an oil-water separation device based on an air floatation method, and provides the following scheme aimingat the problem of incomplete oil-water separation. The device comprises a separation barrel, an oil storage barrel and a top plate,an electric telescopic rod is installed vertically at the top centerof the top plate, a second mounting plate is mounted at the bottom end of the telescopic end of the electric telescopic rod, a forward and reverse motor is vertically mounted at the bottom of the second mounting plate, an L-shaped rod is arranged at the bottom end of an output shaft of the forward and reverse motor, an oil scraping plate is welded to the bottom end of the L-shaped rod, a rotatingshaft is rotatably connected to the middle of the separation barrel, a rotating mechanism is arranged on the separation barrel, an oil outlet is formed in one side of the edge of the top of the separation barrel, a baffle is welded to the side, located at the oil outlet, of the inner wall of the separation barrel, and a stirring mechanism is arranged on the rotating shaft. According to the invention, oil is fully combined with bubbles, complete oil-water separation is ensured, and part of floating foam is prevented from floating on the surface of liquid, so that the floating foam is completely removed.

The invention discloses a cooling water circulation supply system. The cooling water circulation supply system comprises a cooling tower, the rear side of the cooling tower is connected with a cooling water pretreatment device, and the front side of the cooling tower is connected with a cooling water storage device. According to the cooling water circulation supply system, cooling water discharged by an air compressor firstly enters a treatment box body through a water inlet pipe to be filtered, then is discharged into the cooling tower through a water outlet pipe and an L-shaped transmission pipe to be rapidly cooled, is discharged into a water storage tank to be stored, and is conveyed into the air compressor again through a cooling water outlet pipe and a water suction pump to be cooled, and therefore, the purpose of recycling the cooling water of the air compressor is achieved, water resources are effectively saved, when the cooling tower breaks down, a water storage tank is communicated through a water passing structure, the cooling water can be provided for the air compressor in time, the phenomenon of insufficient supply of the cooling water is avoided, and the possibility of shutdown of the air compressor is reduced.

The embodiment of the invention relates to the technical field of mobile power supply leasing equipment, in particular to a power sharing method and system. The power sharing method is applied to thepower sharing system; the power sharing system comprises at least two pieces of mobile power supply leasing equipment; the at least two pieces of mobile power supply leasing equipment are connected, and the method comprises the following steps: obtaining charging information of the mobile power supply leasing equipment respectively; determining power redundant equipment and power insufficient equipment in the at least two pieces of mobile power supply leasing equipment according to the charging information; and controlling the power redundancy equipment to transmit power to the power insufficient equipment. Through the said mode, the embodiment method of the invention can shorten the time for completing the charging of all mobile power supplies, and use demands of a user can be timely met.

The invention relates to a power management system and a robot. A first DC conversion module generates an internal power supply according to a battery power source to provide power for each functionalmodule. A second DC conversion module generates a first external power supply and a second external power supply according to the battery power source and an enable signal. A third DC conversion module generates an algorithm processor power source and a reserved power source according to the battery power source and the enable signal. A detection module detects the first external power supply, the second external power supply, the algorithm processor power source, and the reserved power source to generate corresponding power detection signals. A conversion module generates wired communicationsignals according to the power detection signals. A control module generates enable signals according to the wired communication signals. Therefore, real-time monitoring and management of each powersupply is realized and ADC analog-to-digital conversion interface resources of the control module are saved. The power supplies and signals are separated, so that the hardware costs and research and development workload are reduced and the response speed and control accuracy of the power management system are improved.

The invention relates to a product sales resource management and control method, system and device and a storage medium. The method comprises the steps: obtaining the distributor data of a plurality of distributors, and distributing one-to-one corresponding distribution sales resources to each distributor according to all distributor data; obtaining target distribution sales resources of a plurality of target distributors according to all the distribution sales resources; obtaining a salesman data set of each target distributor, and according to the target distribution sales resources of eachtarget distributor and the salesman data set, allocating salesman sales resources to each salesman under the name of each target distributor. According to the invention, saleable products of customersresponsible for salesmen can be accurately managed and controlled, information such as product goods allocations, product inventory and product batches can be mastered in real time, the sales efficiency is improved, and the sales performance is helped to be improved; the designated brands, designated regions and designated customers of salesmen for selling products can be accurately managed and controlled, the benign competitive relationship among the salesmen is ensured, and the sales performance of the whole enterprise is promoted.

The invention discloses a business water dispenser. The business water dispenser comprises a machine body; a water receiving area is arranged on the machine body; a water receiving groove capable of being mounted and dismounted is formed in the lower side of the water receiving area; a water outlet nozzle is arranged on the upper side of the water receiving area; a filtering part capable of purifying and filtering tap water is arranged in the machine body. A heating part I and a rapid heating part II are arranged in the machine body and can be used for heating water. The business water dispenser is simple in structure and convenient to use, the water dispenser has a basic water drinking function; a function of disinfecting utensils, users and a water receiving tank is achieved; the user can be prevented from feeling uncomfortable due to excessive bacteria ingested by densely distributed sand and dust or bacteria in a working area, and influence on human health is avoided. The water dispenser is large in water yield, high in heating speed and good in filtering performance, the problem of short supply due to crowd gathering is solved, the water dispenser has the function of selectingwater temperature, the requirements of staff are met more appropriately, and user experience is improved.

The elevator control method comprises the steps that an elevator taking request is received, and the elevator taking request comprises the taking direction and the current floor; acquiring first image data of the current floor and second image data of a plurality of elevators according to the elevator taking request; determining a target elevator from the plurality of elevators based on the riding direction, the current floor, the first image data and the second image data; the target elevator is controlled to run to the current floor, taking information corresponding to the target elevator is output, the finally determined target elevator is determined only depending on the bearing weight of the elevator, the target elevator is determined according to the taking direction, the number of people waiting for taking the elevator and the number of people existing in the elevator, and the situation that the arrived elevator is not overloaded can be avoided; the situation that the number of arrived elevators is not enough can also be avoided under the condition that no space is available for entering, so that efficient control over the elevators is achieved, and the intelligent degree of elevator control is improved.

The invention relates to a hospital medicine inventory intelligent management method and system based on big data, and the method comprises the following steps: building a medicine inventory management platform, and inputting medicine information which comprises medicine basic information, storage mode information, storage cost information, medicine price information, medicine selling price information and medicine purchasing cycle information; obtaining the daily average consumption and the purchase cycle of each type of medicine, and calculating the minimum inventory and the early warning inventory of each type of medicine; collecting the remaining quantity of various medicines in real time, and when the remaining quantity of the medicines is lower than the lowest inventory of the medicines, generating a purchase request and sending the purchase request to a manager; and when the residual quantity of the medicines is lower than the early-warning inventory, judging whether the purchasing request is executed or not, and if not, generating an emergency purchasing request and sending the emergency purchasing request to a manager and a main manager. The method and system have the effects of scientifically managing the inventory and improving the inventory management efficiency.

The invention discloses an emergency safety device for a large smart city industrial building elevator, and relates to the field of emergency equipment. The device comprises a box body, a drawer is mounted at the bottom end in the box body, the drawer is in sliding connection with the box body, a handle is mounted at the front end of the drawer, a storage box is mounted at the left side in the drawer, separating plates are mounted at the right part in the drawer, the bottom ends of the separating plates are fixedly connected with the drawer, a plurality of placing plates are mounted in the middle of the inner sidewall of the box body, a base plate is mounted at the lower end of the box body, a plurality of hinges are mounted on the left sidewall of the front end of the box body, a box door is mounted at the left sides of the hinges, and the box door is movably connected with the box body. According to the device, the drawer is pulled out, some snacks are placed in the storage box, drinking water is placed between the separating plates, the situation of shortage of food and drinking water is avoided, and life safety is prevented; and an illuminating lamp is placed on a placing box so that illumination is provided when light is dark, internal light is prevented from being dark, and convenience is brought.

The invention discloses a combined heat exchanger of a marine diesel engine. The combined heat exchanger comprises a shell, a diesel engine box is fixed to the inner wall of the shell, a propeller is connected to the rear side of the diesel engine box through a bearing, a heat dissipation assembly is fixedly connected to the outer side of the diesel engine box, and a heat exchange instrument is arranged in the diesel engine box. The surface of the diesel engine box is sleeved with a flexible pipe, the heat dissipation assembly comprises an extrusion bin, the extrusion bin has elasticity and is connected to the outer side of the flexible pipe in a sleeving mode, the outer side of the flexible pipe is evenly connected with a plurality of magnetic balls through springs, the magnetic balls are fixedly connected with the extrusion bin, and the extrusion bin is filled with mercury. The left side of the extrusion bin is connected with a first hydraulic ball through a pipeline, the right side of the extrusion bin is connected with a second hydraulic ball through a pipeline, and a first pressing plate is fixed to the inner wall of the first hydraulic ball. The combined heat exchanger has the characteristics that the cooling degree can be automatically selected and the mercury can be automatically recycled.

The invention discloses a power grid demand side intelligent management system and method. The system comprises an intelligent power grid demand response management platform. The platform comprises: an oscillation detection unit connected with a total line in each layer of electric well of a community, so as to obtain a plurality of radio frequency signals; a spectrum sensing unit used for receiving the plurality of radio frequency signals, detecting energy values in the plurality of radio frequency signals and outputting a power demand weight corresponding to each household; a power demand response unit used for receiving and generating a response signal of each layer of electric well of the community according to the power demand weight corresponding to each household and transmitting the response signal to a community power supply unit; and the community power supply unit used for receiving the response signal of each layer of the electric well of the community and performing power supply control on each layer of the electric well of the community according to the response signal. The radio frequency signal in the electric well of the community user is detected, and then the weight judgment is carried out according to the energy output by the radio frequency signal, so that demand type power supply is formed, the phenomenon of insufficient supply and demand is avoided, and the problem of unstable power supply in the community is solved.

The invention discloses a chemical system stoppage protective device which comprises a liquid nitrogen storage groove, a liquid nitrogen pump, a vaporizer, a nitrogen compressor, a high-pressure nitrogen storage tank, a first reducing valve, a first stop valve, a second reducing valve, a second stop valve and a third stop valve, wherein the liquid nitrogen pump is connected with the outlet of the liquid nitrogen storage groove, the vaporizer is connected with the outlet of the liquid nitrogen pump, the nitrogen compressor is connected with the outlet of the vaporizer, and the high-pressure nitrogen storage tank is connected with the outlet of the nitrogen compressor. The first reducing valve is located on a connection pipeline, wherein the outlet of the high-pressure nitrogen storage tank is connected with a middle-pressure liquid nitrogen pipe network to form the connection pipeline, and the first stop valve is located between the outlet of the first reducing valve and the middle-pressure liquid nitrogen pipe network. The second reducing valve is located on another connection pipeline, wherein the outlet of the first reducing valve is connected with a low-pressure liquid nitrogen pipe network to form the connection pipeline, and the second stop valve is arranged between the outlet of the second reducing valve and the low-pressure liquid nitrogen pipe network. The third stop valve is located on another connection pipeline, and the outlet of the second reducing valve is connected with an instrument air pipe network to form the connection pipeline. When a chemical system stops working suddenly, emergency air sources can be rapidly provided for the instrument air pipe network, the middle-pressure liquid nitrogen pipe network and the low-pressure liquid nitrogen pipe network.

The invention discloses an energy-saving solar water heater control auxiliary instrument and a using method thereof. The energy-saving solar water heater control auxiliary instrument comprises a heating device mounted on a roof and a storage device mounted in a room, wherein the heating device comprises a bracket, a circulating cylinder is fixedly arranged on the bracket and a circulating cavity is formed in the circulating cylinder; The hydraulic pump is arranged in the base and can control one end of the supporting plate for mounting the glass tube to move up and down, so that the angle of the glass tube is changed, the angle can be adjusted according to different mounting areas, and a utilization rate of solar energy is increased; a rhombic light reflecting plate is arranged on the supporting plate, so that sunshine can be reflected to irradiate the glass tube, and thus, heating efficiency is improved; and the storage device is arranged and can be replaced after water in the circulating cavity is heated to the set temperature, the heated water is introduced into a heat insulation cavity to be stored, then cold water is introduced into the circulating cavity to continue to be heated, so that hot water amount is increased, and a hot water shortage phenomenon is avoided.

The invention discloses an industrial management system based on Internet of Things indoor positioning. According to the technical scheme, the system comprises an article positioning module which comprises a standard electronic tag and acquires the geographic position of the standard electronic tag, the standard electronic tag is additionally arranged on an integrated box, and the standard electronic tag at least comprises a sub-component name and the total number of sub-components capable of being installed in the integrated box; a control center which is used for displaying the geographic position of the standard electronic tag; an electronic fence module which is provided with an independent complete box area, and the complete box area is used for containing an integrated box filled with sub-components; and a quantity counting unit which is used for counting the quantity of the standard electronic tags in the electronic fence and sending the counting information of the sub-components to a control center, and the counting information comprises the names of the sub-components and the total number of the sub-components. According to the invention, managers can know the quantity ofthe subcomponents in time and make adjustment, so that the occurrence of stockout of the subcomponents is reduced, and the production efficiency is ensured.

The invention discloses a cooling water circulating supply system, comprising a cooling tower, a cooling water pretreatment device is connected to the rear side of the cooling tower, and a cooling water storage device is connected to the front side of the cooling tower. In the present invention, the cooling water discharged from the air compressor first enters the treatment box through the water inlet pipe for filtration treatment, then is discharged into the cooling tower through the water outlet pipe and the L-shaped transfer pipe for rapid cooling and cooling, and then is discharged into the water storage tank for storage and processed by The cooling water outlet pipe and water pump are re-transported to the air compressor for cooling, so as to achieve the purpose of circulating the cooling water of the air compressor and effectively save water resources. The backup water tank can provide cooling water for the air compressor in time, avoid the phenomenon of insufficient cooling water supply, and reduce the possibility of the air compressor shutting down.