51results about How to "No increase in energy consumption" patented technology

The invention discloses a method for synthetically treating and using plant stem leafs and straws in large scale and a device thereof. The method comprises the steps of: taking the plant stem leafs and straws as raw materials; and generating marsh gas, marsh slag and marsh liquid by means of microbial fermentation. The marsh gas is collected by the technology of the invention to be synthesized into fuel carbinol, or is purified and liquefied to be used as fuel for a vehicle to replace the natural gas; and the marsh slag and the marsh liquid are taken as fertilizer to be returned to the soil to maintain the ecological balance of the soil.

The invention discloses an air conditioner indoor unit and an air conditioner, wherein the air conditioner indoor unit comprises an indoor fan, a first heat exchanger and a second heat exchanger which are located in the air duct of the air conditioner indoor unit, wherein the first end of the first heat exchanger communicates with an outdoor heat exchanger by a first throttle pipe, the second end of the first heat exchanger communicates with a four-way valve of an air conditioner outdoor unit; the first end of the second heat exchanger communicates with a pipeline of the air conditioner outdoor unit to receive high temperature coolant; the first heat exchanger is used for receiving cold temperature coolant in constant temperature dehumidification to evaporate for refrigeration so as to cool and dehumidify air of the first heat exchanger; and the second heat exchanger is used for receiving the high temperature coolant to condense for heating, so that the temperature of low-temperature drying air flowing through the first heat exchanger rises to room temperature by passing through the second heat exchanger. According to the technical scheme of the invention, due to the arrangement of the second heat exchanger and modification on corresponding pipelines, the purpose of constant temperature dehumidification can be achieved, energy consumption is not increased during constant temperature dehumidification, and the air conditioner is energy-saving and environment-friendly.

The invention relates to a dynamic smoke purifier, which comprises a box, an exhaust and collecting device, wherein the box has air inlet and air outlet; the air channel of box is mounted with the purifying disc mounted on the motor axle of box; the box also has one oil collector. The invention is characterized in that: said purifying disc comprises a mesh disc and a coil disc, which are connected or integrated; the mesh disc is a round plate which has grooves along the radius; there are ribs between two grooves; several ribs are distributed on the circumference of plate. The invention has simple structure, long service life, and high filter efficiency.

The invention discloses a fractional condensation vacuum furnace, which is a metallurgy vacuum device for directly extracting and obtaining high-quality metal from ores. The fractional condensation vacuum furnace comprises a furnace cover 1, a cooling water outlet 2, a condenser 3, a furnace body 4, a thermocouple 5, a heat shield 6, a cooling water inlet 7, a crucible 8, a heating body 9, a water-cooling electrode 10, a furnace bottom 11, condensing discs 12, a vacuum pump port 13 and the like. The condenser 3 is directly connected with the crucible 8, is formed by overlapping a plurality of condensing discs and has a certain sealing performance; in the reaction process, the condenser temperature declines from high to low gradually. The substance reacts and evaporates in the crucible, and then enters the condenser, and diffuses from bottom to top along the condenser; because saturation vapor pressure of each substance is different, the substance condenses are separated on different condensing discs; and the product quality is improved drastically. The vacuum furnace uses residual heat to improve energy efficiency, thus improving product quality.

The invention discloses a sectionalized sewage treatment tank using a cyclic activated sludge system. The sewage treatment tank comprises a tank body; the tank body is provided with a water inlet, a water outlet and a surplus sludge discharge outlet and is partitioned by division plates into a pre-anaerobic zone, an anaerobic zone, an anoxic zone and an aerobic zone which are of different volumes, wherein the volume of the aerobic zone is greater than the volume of the anoxic zone, and the volume of the anoxic zone is greater than the volume of the anaerobic zone; stirrers are respectively arranged in the pre-anaerobic zone, the anaerobic zone and the anoxic zone; an aeration device, an aerobic sludge circulating pump and a water decanter are installed in the aerobic zone; sludge flows back in two stages, wherein the sludge is recycled from the aerobic zone to the anoxic zone in the first stage and then flows back from the anoxic zone to the pre-anaerobic zone in the second stage. According to the invention, sectionalized and staged cycling of the sludge enables anaerobic and anoxic states to be optimal, phosphorus accumulating organisms, anti-denitrifying bacteria and nitrobacteria in the sludge can realize phosphorus removal and nitrogen removal under optimal conditions, and therefore, a good nitrogen, phosphorus and organic matter removal effect is achieved.

A process for separating benzene by extracting rectifying includes such steps as adding the hydrocarbon mixture containing olefin and benzene into extracting-rectifying tower, contacting with extracting solvent for extracting rectifying, discharging the extracting solvent containing benzene from bottom, adding it into solvent recovering tower for separating benzene from solvent, discharging benzene fraction from its top, condensing, refining in argil tower, flash evaporation in flash tower, discharging the substance from its top, and condensing to obtain benzene.

The present invention relates to textile machine, and is especially one kind of two-pump two-nozzle heavy water jet loom. The loom includes frame, left side cover connected to the left wall board, upper water pump and lower water pump fixed to the left side cover, upper pump cam link rod and lower pump cam link rod in two-rod structure and connected separately to these two pumps, bearings, and shaft on the left side cover to rotate the pump cam. The present invention is superior to single-pump single-nozzle heavy water jet loom and can weave fabric with two kinds of weft fiber of great size deviation.

The invention relates to a movement trend hybrid positioning method, comprising the following steps: a mobile device calculates base station related information and WIFI hotspot information through data acquisition and operation; the mobile device transmits base station data to a server, the server performs signal difference calculation to obtain longitude and latitude of the mobile device; when the mobile device contains a GSM module, the server performs differential position calculation for differential signal values of multiple base station signals; when the mobile device is in a moving state, the server performs movement trend analysis on the data transmitted by the base station to obtain longitude and latitude of the mobile device; when the mobile device has no communication signal and no GPS signal, the server adopts WIFI signal differential positioning; and when the mobile device simultaneously has a GPS communication module and a WIFI communication module, the server automatically adopts an energy consumption algorithm. The method provided by the invention effectively solves a problem of precision of positioning in different geographical environment and different hardware environment, effectively promotes battery endurance of the device and greatly reduces cost of hardware products.

The invention relates to an in-situ reinforcement preparation method and device for a high-strength and high-ductility casting magnesium-based composite material. Mg-9%Al alloy is adopted as matrix alloy, N2 gas is introduced in an alloy melt in a vacuum smelting resistance furnace, so that the N2 gas and the alloy melt are in gas / gas and gas / liquid reaction, AlN particles evenly distributed are formed in the alloy melt in situ, and therefore the AlN / Mg composite material with the highest extension strength of 193 Mpa and elongation with 14% is prepared. The process and preparation device have the characteristics of being easy to operate, environmentally friendly, low in cost, small in energy consumption and short in preparation period. The strength and ductility of the prepared magnesium-based composite material are superior to those of corresponding Mg-Al alloy (AZ91D), and density is smaller.

The invention discloses an air conditioner indoor unit and an air conditioner, wherein the air conditioner indoor unit comprises an indoor fan, a first heat exchanger and a second heat exchanger which are located in the air duct of the air conditioner indoor unit, wherein the first end of the first heat exchanger communicates with an outdoor heat exchanger by a first throttle pipe, the second end of the first heat exchanger communicates with a four-way valve of an air conditioner outdoor unit; the first end of the second heat exchanger communicates with a pipeline of the air conditioner outdoor unit to receive high temperature coolant; the first heat exchanger is used for receiving cold temperature coolant in constant temperature dehumidification to evaporate for refrigeration so as to cool and dehumidify air of the first heat exchanger; and the second heat exchanger is used for receiving the high temperature coolant to condense for heating, so that the temperature of low-temperature drying air flowing through the first heat exchanger rises to room temperature by passing through the second heat exchanger. According to the technical scheme of the invention, due to the arrangement of the second heat exchanger and modification on corresponding pipelines, the purpose of constant temperature dehumidification can be achieved, energy consumption is not increased during constant temperature dehumidification, and the air conditioner is energy-saving and environment-friendly.

The invention discloses a method for inhibiting the excessive propagation of algae in small and medium size landscaping water bodies. A landscape structure and a fountain water pump are arranged in a landscaping water body by adopting the existing arrangement structure of a general landscaping water body; a fiberglass mesh adhered with a nanometer titanium dioxide film is laid on the landscape structure; and hydrogen peroxide adding devices can be increased at the serious condition of alga excessive propagation. In the method provided by the invention, only the fiberglass mesh adhered with a nanometer titanium dioxide film is laid on the landscape structure at the condition of not increasing extra processing facilities; and the method is simple, is easy to process, simultaneously only uses the sunlight energy, does not increase the extra energy consumption, and can effectively control the growth and the propagation of the algae.

The invention provides an environment protective type novel technical proposal, which is suitable for integrated selection for laminar deposited and secondary deposited diaspore type and gibbsite-type bauxite ores contained high quantity of silicon, iron and sulfur. Through utilizing the novel technical proposal, during the selecting process of the alumyte, zero consumption of Na2O and Al2O3 can be achieved in desilication and the digestion of bayer process, Na2O*H2O can be used circularly without any limitation, calcium silicate, alumina, gallium compound, iron concentrate powder and calcium titanate are separated from the alumyte with a high quantity of the silicon, iron and sulfur at one time, and the high efficiency overall development and utilization for alumyte resource can be achieved, without waste ore tailings, and the level of resources utilization can be enhanced.

The invention discloses an environment-protective synthetic smelting method of boehmite-trihydrate diaspore ore with high-silicon, ferric and sulfur content, which is characterized by the following: removing silicon; proceeding Baeyer stripping disposal without consuming Na2O and Al2O3; recycling Na2O .H2O infinitely; separating calcium silicate, alumina, gallium and iron concentrate powder and calcium titanate from beauxite once; improving utilizing rate of resource.

The invention provides intelligent and automatic separate inspecting and tube arranging equipment. The equipment comprises a horizontal conveying device, an oblique conveying device, a baffle, a pipe inlet limiting plate, pipe taking carrying blocks, a pipe control limiting block, a movable pipe inlet limiting plate body, a yarn picking sensor, a yarn striking plate, a yarn outlet, a yarn storing box, a pipe striking plate, a branch pipe sensor, a branch pipe baffle, a first pipe outlet, a second pipe outlet, a first pipe outlet channel, a second pipe outlet channel, moving conveying devices, yarn pipe storing boxes, a full pipe sensor and an electrical apparatus control system. The intelligent and automatic separate inspecting and tube arranging equipment has the advantages that the structural design is ingenious and simple, the space is saved, the problems that yarns and yarn pipes are difficult to control and position in an immediate state are solved, the boxes are replaced automatically when the boxes are fully filled with the pipes, and workers used for separate inspecting and tube arranging for the yarns and the yarn pipes are saved.

The invention discloses a bidirectionally-driven fresh air ventilator which comprises a machine box, and a static total heat exchanger, a static total heat exchanger frame, exhausted air fans, fresh air fans, servo motors and a power source controller are arranged in the machine box. The static total heat exchanger is fixedly connected with the inner wall of the machine box, and the machine box is divided into an exhausted air inlet chamber, an exhausted air outlet chamber, a fresh air inlet chamber and a fresh air outlet chamber through the static total heat exchanger frame. The static total heat exchanger is mounted in the static total heat exchanger frame. The two exhausted air fans are mounted in the exhausted air inlet chamber and the exhausted air outlet chamber respectively. The two fresh air fans are mounted in the fresh air inlet chamber and the fresh air outlet chamber respectively. The servo motors are connected with the fresh air fan and the exhausted air fan located on the same side of the machine box through transmission rods. The exhausted air fan and the fresh air fan on the same side are driven through a single servo motor, so that energy is saved, meanwhile, efficiency is improved, and it is guaranteed that the air volume of fresh air is equal to that of exhausted air.

The invention discloses a household cooling fan. A lower disc is bonded with a rotating disc; a mounting hole of the lower disc penetrates through a rotating disc mounting thread through hole; the lower disc is mounted on the rotating disc by using a screw to realize the installation of a centrifugal wheel on the rotating disc; the centrifugal wheel is positioned at the front part of a fan impeller; when the fan is used, a water accommodating container holds cool water; a fan head and a water pump are started; a rotating shaft of a motor drives the fan impeller and the centrifugal wheel to rotate; and the water in the water accommodating container is extracted out by the water pump, and is sprayed out through a water spraying pipe. A water spraying port at the front end of the water spraying pipe is positioned rightly below the centrifugal wheel; the water sprayed out by the water spraying port at the front end of the water spraying pipe is sprayed on blades of the centrifugal wheel; and the water is scattered to water mist by the blades rotating with high speed, and is blown out by the fan impeller with high speed. The water mist is great in both specific heat capacity and surface area; and a lot of heat in surrounding environment can be absorbed to realize the purpose of quick cooling.

The invention discloses a chain cleaning machine. The chain cleaning machine comprises a material guiding frame (1) and a cleaning machine body (6), wherein the material guiding frame (1) is formed by rollers side by side, and the cleaning machine body (6) is arranged at one end of the material guiding frame (1). The material guiding frame is provided with n-shaped frames composed of vertical beams (5) and transverse beams (4), and the two n-shaped frames are oppositely arranged on the two sides of the material guiding frame. A gear (21) and a rack (22) are matched with each other and arranged between the two n-shaped frames through a supporting beam, the two ends of the rack (22) are hinged to push plates (8) through base plates (9) respectively, and each push plate (8) rotates around a hinge joint shaft in the direction opposite to the cleaning machine body (6). In addition, the rack (22) is further connected with an executing mechanism which drives the rack to reciprocate. The push plates and stirring forks are arranged in the two directions, and therefore a conveying mechanism of the cleaning machine can move in two directions when the executing mechanism reciprocates, and therefore work efficiency is multiplied, and efficiency of the executing mechanism is greatly brought into full play.

Dynamic oil fume purification device, which includes a box body, an exhaust and a gas collection device, the box body has an air inlet and an air outlet, and a centrifugal purification disc is installed in the air duct of the box body, and the purification disc is installed on the motor shaft in the box body. The body is provided with an oil receiving mechanism, and the feature is that: the purification disc includes a mesh disk and a disk shaft sleeve, and the mesh disk and the disk shaft sleeve are fixedly connected or integrated, and the mesh disk is a circular plate-shaped object, and the plate-shaped object There are through grooves along the radial direction of the network disk, and spokes are formed between the two through grooves, and a plurality of spokes are distributed sequentially on the circumferential surface of the plate. The utility model has the advantages of simple structure, high oil filtration rate, long service life and high manufacturing efficiency, and is an environment-friendly and high-efficiency oil fume purification device which can be used in the catering industry and in the family kitchen.

The invention relates to galvanizing equipment and a method. A hot galvanizing device comprises a heating furnace, an air knife and a fan for supplying air to the air knife; a protective cover is arranged on the furnace wall of the heating furnace; a heating chamber is formed between the protective cover and the furnace wall of the heating furnace; the heating chamber is provided with a heating-chamber air inlet and a heating-chamber air outlet; the fan is provided with a fan air inlet and a fan air outlet; the air knife is provided with an air-knife air inlet; the heating-chamber air outlet and the fan air inlet are butt-jointed together; and the fan air outlet and the air-knife air inlet are butt-jointed together. The hot galvanizing device and the method have the advantages that the thickness of a zinc layer can be effectively reduced, and the problem of thick zinc layer in hot galvanizing is solved.

The invention relates to noodles and a production method thereof. Particularly, the production method of the noodles disclosed by the invention comprises the step of fermenting flour through fermentedstarch glue, preferably, the method comprises the following steps of (1) performing pre-fermenting so as to obtain the fermented starch glue; and (2) performing official fermenting, wherein the pre-fermenting step comprises the substeps of fermenting the flour of which the weight is 5-55% of the total weight of the flour to be fermented, to obtain the fermented starch glue, then mixing the fermented starch glue with the surplus flour, and then performing official fermenting. According to the noodles and the production method thereof disclosed by the invention, based on a conventional processing technology of raw fresh noodles and fine dried noodles, a fermentation technology is adopted, a production technique for raw fresh noodles and quickly-cooked fine dried noodles, which is simple tooperate and low in cost, is provided, and the made raw fresh noodles and the made fine dried noodles are better in color and better in mouth feel.

The invention discloses a household heat dissipation fan. The household heat dissipation fan is characterized in that a lower disc clings to a rotary disc, mounting holes of the lower disc are communicated with mounting threaded through holes of the rotary disc, and the lower disc is mounted on the rotary disc by the aid of screws, so that a centrifugal wheel can be mounted on the rotary disc andis positioned at the front of a fan impeller; a water accommodating container is filled with cold water when the household heat dissipation fan is used, a fan head and a water pump can be started, thefan impeller and the centrifugal wheel can be driven to rotate by rotary shafts of motors, and the water in the water accommodating container can be pumped out by the water pump and can be sprayed out by a water spray pipe. Water spray openings in the front end of the water spray pipe are formed in positions below the centrifugal wheel, the water sprayed out by the water spray openings in the front end of the water spray pipe can be sprinkled on blades of the centrifugal wheel and can be scattered by the blades which rotate at the high speeds to form water mist, and the water mist can be blown out by the fan impeller at the high speed. The household heat dissipation fan has the advantages that the water mist is high in specific heat capacity and has large surface area, a large quantity ofheat in surrounding environments can be absorbed, and accordingly the quick cooling purpose can be achieved.

The invention discloses a high-temperature furnace capable of continuously producing artificial graphite. The furnace comprises a furnace lining, a working layer of the furnace lining is sequentiallyprovided with a water-cooled jacket, a low-temperature light heat preservation layer, a medium-temperature layer and a high-temperature layer from outside to inside, the upper portion of the furnace lining is provided with a furnace cover matched with the furnace lining, the furnace cover is provided with a smoke outlet, a graphite electrode positive electrode and a furnace top discharging hole, and the inner wall of the high-temperature layer is provided with a graphite electrode negative electrode; characteristics of a high-temperature fluidized bed are used for reference; the production mode of the traditional graphitization furnace is changed; a masonry or pouring process of a multi-layer structure is adopted; the water-cooled jacket is adopted by the outer layer, so that the operationenvironment is improved; inert gas can be introduced through a first distribution valve and a second distribution valve installed at the bottom of the graphite electrode negative electrode, the temperature of the discharged material is reduced, meanwhile, the temperature of the inert gas entering the furnace is increased, it is guaranteed that energy consumption is not greatly increased, the discharged material is cooled again through a heat energy recovery device, and the requirement for the proper temperature is met.

The invention discloses a method for direct desulfurization in alumina production, comprising the following steps: in the alumina production, directly adopting high-sulfur alumyte containing the sulfur content of 1-3%, adding a compound additive used for desulfurization in the process of material proportioning, high pressure leaching, evaporation or decomposition and obtaining qualified finished aluminum hydroxide or alumina according to the prior process of the alumina production. Compared with the prior art, the invention has the advantages of direct application of the high-sulfur alumyte to the current alumina production, low cost, good desulfurization effect, simple operation, easy control, and the like.

The invention discloses an energy-saving ship power transmission device, which relates to the technical field of ship power transmission devices, and aims at solving the problems that an existing solar and wind power generation ship is easily influenced by environment and weather factors, the energy conversion rate is large in floating, and a large space of a ship body is occupied. Two main power motors are installed on the two sides of the rear end of the ship storage battery correspondingly, first transmission shafts are installed at the output ends of the two main power motors correspondingly, one ends of the first transmission shafts are fixedly connected with the output ends of the main power motors through first couplings, A gear reducer is installed at the other end of the first transmission shaft, a second transmission shaft is installed at the output end of the gear reducer, one end of the second transmission shaft is fixedly connected with the output end of the gear reducer through a second coupler, a propeller sleeve is installed at the other end of the second transmission shaft, and a bearing seat is mounted on the second transmission shaft.

The invention discloses an automobile daytime running light. The daytime running light comprises thermoelectric power generation sheets, cooling fins, LED light strips, a DC-DC automatic voltage increasing and decreasing module and heat-conducting silicon sheets. According to the connecting relation, the hot ends of the thermoelectric power generation sheets are fixed to the surface of an automobile cooling water tank water inlet pipe or a cooler through the heat-conducting silicon sheets, the cold ends of the thermoelectric power generation sheets adhere to the cooling fins through heat-conducting silicone grease, electric energy output of the thermoelectric power generation sheet set is connected with the DC-DC automatic voltage increasing and decreasing module, and the DC-DC automatic voltage increasing and decreasing module is connected with the LED light strips. Redundant heat, generated in running of an automobile, in a cooling water tank is utilized for enabling the LED light strips to emit light, so that the effects of energy conservation and environment protection are achieved, and energy consumption of the automobile is not increased. In addition, the structure is simple, and it is unnecessary to modify or damage an original circuit of the automobile.

The invention discloses a calendering device for a PVC plastic floor, which comprises a bottom plate, a calendering bin is installed in the middle of the top of the bottom plate, sliding grooves are symmetrically arranged at the two ends of the two sides of the top of the bottom plate, sliding blocks are arranged in the sliding grooves, a processing bin is jointly installed at the tops of the two sets of sliding blocks on one side, the tops of the two sets of sliding blocks on the other side are jointly provided with a drying oven, and a preheating bin is installed on the top of the drying oven. Through cooperative use of the processing bin, the calendering bin, the drying oven, a two-way electric air cylinder, the sliding blocks and the sliding grooves, the two-way electric air cylinder is used for pushing the processing bin and the drying oven to be gradually away from the calendering bin, and the distance between the processing bin and the calendering bin and the distance between the drying oven and the calendering bin are increased, the head end of the PVC raw material plate can conveniently and manually penetrate through the space between a hollow mirror surface roller and a first mirror surface roller, the space between five sets of pressing rollers and the space between two sets of cutting rollers in sequence by an operator, so that the using convenience of the device is improved, and application and popularization are facilitated.

A switching controller for the generation of a plurality of DC voltages includes an auxiliary secondary circuit (Skh) in addition to a primary circuit (Pk) and at least two main secondary circuits (Sk1, Sk2). Only the auxiliary secondary circuit (Skh) is controlled by a control circuit (R). The auxiliary secondary circuit (Skh) operates in a virtually powerless manner, wherein the time constant of a parallel circuit has a third output capacitor (C3) and an auxiliary load resistor (RL) is smaller than the average time constants of at least the first and second main secondary circuits (Ls1, Ls2), which are defined by the output capacitors (C1, C2) thereof and the average rating values of the load resistors to be connected.

The invention provides an MTBE product desulfurization device which is high in desulfurization efficiency and high in yield. The MTBE product desulfurization device comprises a distillation tower, a stripping tower, an auxiliary tower and a connecting pipeline network. The connecting pipeline network comprises a high-sulfur MTBE feeding pipeline connected with the middle part of the distillation tower; a low-sulfur MTBE discharging pipeline connected with the top of the distillation tower; a first circulating pipeline connected with the upper part of the distillation tower, the top of the stripping tower and the top of the auxiliary tower; a first discharging pipeline connected with the bottom of the distillation tower and the middle of the stripping tower; a first discharging branch connected with the first discharging pipeline and the middle part of the auxiliary tower; a second discharging pipeline connected with the bottom of the stripping tower and the middle of the auxiliary tower; and a third discharging pipeline connected with the bottom of the auxiliary tower. Through the combination of the distillation tower, the stripping tower and the auxiliary tower, the MTBE desulfurization rate is remarkably improved, an almost lossless MTBE recovery rate is achieved, and the desulfurization cost of an MTBE product is reduced.

The invention provides a spiral rising arrangement mode of blades. The arrangement mode includes a stirring shaft 1, stirring shaft holes 2, hubs 3, hub holes 4, cylindrical pins 5, blades 6 and connecting bolts 7, wherein the blades 6 can be hinge blades, straight blades, backward bent blades, fan blades and the like. When the blades 6 are connected with the stirring shaft 1, the blades 6 are arranged in an anticlockwise or clockwise spiral rising manner, the distances among the blades 6 are the same, and every two adjacent blades 6 are staggered at an equal angle. When the blades 6 in the arrangement mode rotate in a stirring kettle, a defect that only multiple-layer blades can be adopted for a stirring kettle with a large height-diameter ratio in the prior art, and a defect that the stirring effect is poor among the layers of the multiple-layer blades can be solved. The arrangement mode achieves position fixation of the stirring shaft, and the stirring effect similar to the effect of a single-layer blade which rotates while ascending or descending, can promote the axial circulation of fluid in the stirring kettle, and reduces the complexity of mechanical design and operation.

The invention relates to a movement trend hybrid positioning method, comprising the following steps: a mobile device calculates base station related information and WIFI hotspot information through data acquisition and operation; the mobile device transmits base station data to a server, the server performs signal difference calculation to obtain longitude and latitude of the mobile device; when the mobile device contains a GSM module, the server performs differential position calculation for differential signal values of multiple base station signals; when the mobile device is in a moving state, the server performs movement trend analysis on the data transmitted by the base station to obtain longitude and latitude of the mobile device; when the mobile device has no communication signal and no GPS signal, the server adopts WIFI signal differential positioning; and when the mobile device simultaneously has a GPS communication module and a WIFI communication module, the server automatically adopts an energy consumption algorithm. The method provided by the invention effectively solves a problem of precision of positioning in different geographical environment and different hardware environment, effectively promotes battery endurance of the device and greatly reduces cost of hardware products.