380results about How to "Settlement fee" patented technology

The invention relates to a nuclear power plant working robot and a control system thereof, which belong to the fields of robots and automation equipment. The nuclear power plant working robot is a crawler-type mobile manipulator and is composed of a mobile platform driven by double crawlers and a four freedom degree manipulator carried on the mobile platform. The nuclear power plant working robot can move inside a nuclear power plant, has two control modes of manual remote control and autonomous control, and is remotely controlled by a wireless or wired mode. The control system of the nuclear power plant working robot includes a host monitoring and planning control system and a robot control system which are matched to control the operation of the robot. The robot operates autonomously, is safe and reliable, can complete certain dangerous tasks in high radioactivity environment; the robot has small size, stable performance, great maneuverability and low operation cost; a crawler-type chassis has strong gripping force as well as certain climbing and obstacle clearing ability, and is suitable to walking over complex terrains; and the robot has high intelligence degree and can realize autonomous control and manual remote control.

A ramp-type collision experiment system and method for car is disclosed. Said system is composed of a drawing-guiding unit consisting of supporting frames at high end of ramp, steel cable, winding machine and supporting roller, a ramp consisting of horizontal transition segment, curved transition segment and straight acceleration segment, a experiment segment, an observing tower with test equipment, and acceleration tester in experimental car.

The invention discloses a method for realizing energy-saving storing of a hybrid main storage. The method comprises the following steps: constructing the hybrid main storage taking a phase change storage as a main storage and a dynamic random storage as a buffer storage, designing a read-write policy adapting to the structure of the main storage, and reading and writing data in a disc and the phase change storage according to the read-write policy. The invention ensures that the structure of the original main storage is improved, and fully utilizes the advantages of high capacity and low power consumption of the phase change storage and the characteristic of low time delay of the dynamic random storage, so that the hybrid main storage acquires higher capacity on the premise that the power consumption and the time delay are not increased, thereby reducing the times of accessing the disc and realizing energy saving in storing.

The invention discloses a movable type solar assembly washing equipment. The movable type solar assembly washing equipment comprises a spraying washing mechanism, an angle adjusting mechanism, a movement supporting mechanism which comprises a moving vehicle and a rotary base which is connected to the moving vehicle and a transmission mechanism; the spraying washing mechanism comprises a high pressure water source, a spraying rod and a spraying nozzle; the spraying nozzle is fixed on the spraying rod; the spraying rod is fixedly connected to the angle adjusting mechanism to enable the spraying rod to be parallel to a solar panel; the moving vehicle bears the high pressure water source; one end of the transmission mechanism is connected with the angle adjusting mechanism; the other end of the transmission mechanism is connected with the rotary base to adjust the vertical distance and the transverse distance between the high pressure spraying rod and the solar panel; the rotation range of the rotary base is from 0 to 135 degrees; when the rotary base rotates 45 to 89 degrees and 91 to 135 degrees, the acute angle formed between the spraying rod and the lower edge of the solar panel is 45 to 89 degrees, and the spraying nozzle sprays high pressure water to the solar panel to perform washing operation. The movable type solar assembly washing equipment has the advantages of saving time and labor and being little in energy consumption.

A movable charging vehicle comprises a carriage, a low-voltage power supply battery pack, a low-voltage power supply management module, a first charging system and a second charging system, wherein the low-voltage power supply battery pack, the low-voltage power supply management module, the first charging system and the second charging system are arranged in the carriage. The first charging system comprises a first movable charging vehicle BMS module, a first movable charging vehicle battery pack, a first DC / DC charging machine management module, a first DC / DC charging machine and a first man-machine interaction module. The second charging system comprises a second movable charging vehicle BMS module, a second movable charging vehicle battery pack, a second DC / DC charging machine management module, a second DC / DC charging machine and a second man-machine interaction module. The first movable charging vehicle battery pack is used for charging a first electric vehicle through the first DC / DC charging machine, and the second movable charging vehicle battery pack is used for charging a second electric vehicle through the second DC / DC charging machine. The first movable charging vehicle battery pack and the second movable charging vehicle battery pack can charge the first electric vehicle or the second electric vehicle at the same time through the corresponding DC / DC charging machines.

The invention discloses an Asia I type foot and mouth disease virus-like particle, a preparation method and an application thereof. The Asian I type foot and mouth disease virus-like particle comprises structural proteins of VP0, VP3 and VP1 of Asia I type foot and mouth disease virus, wherein the gene sequence of VP0 is shown in SEQ 1, the gene sequence of VP3 is shown in SEQ 3, and the gene sequence of VP1 is shown in SEQ 2. The preparation method of the Asian I type foot and mouth disease virus-like particle has the following steps: performing amplification to obtain the VP0, VP3 and VP1, performing enzyme digestion to obtain a recombinant expression vector, performing enzyme digestion on fusion protein by small ubiquitin-like modifier (SUMO), and carrying out in-vitro assembling to obtain the foot and mouth disease virus-like particle.

The invention relates to a matured Osmanthus fragrans seedling containerization bare root transplanting method. The existing method for transplanting matured Osmanthus fragrans seedlings is a soil ball transplanting method, which has the disadvantages that transport weight is increased, the transport is inconvenient and the soilless export of the matured Osmanthus fragrans seedlings is not facilitated. The matured Osmanthus fragrans seedling containerization bare root transplanting method is characterized in that, in the optimum transplanting season for Osmanthus fragrans, i.e. from the last ten days of March to the middle ten days of May or from the last ten days of September to the middle ten days of September at Yangtze river basin, and in rainy seasons at the pearl river delta area, the matured seedlings which are required to be transplanted and have diameter being no more than 15cm are selected, roots are cut off two to three months in advance, 2000-time hyper-concentrated root power No.2 root promoting agent is circularly applied to root cut-off ranges for two times at an interval of 15 days, excavation for lifting the matured seedlings, pruning, leaf picking, bare root treatment and transplanting medium proportioning are conducted during transplantation, and containerization maintenance is conducted after transplantation. The matured Osmanthus fragrans seedling containerization bare root transplanting method has the advantages that the method is simple to operate, the cost is low and the improvement of the transplanting survival rate and the soilless export is facilitated.

The invention relates to a breast electrical impedance fault imager based on a mobile phone platform, belonging to the technical field of medical detecting instruments and biological detection. The fault imager comprises a breast detection component, an electrical impedance detection circuit and a mobile phone comprising data result display and analysis software, wherein the electrical impedance detection circuit comprises a singlechip, a frequency generator, a filtering amplifying circuit, an analog switch, an electrode group and an amplitude phase detection chip. The invention can make patients periodically checked and early diagnosed without going to hospitals and particular working environments by adopting a biological electrical impedance fault image detection technology and widely used mobile phones, and a personal medical record library can be saved so as to exchange with doctors in time and check patient's conditions. The imager has the characteristics of small volume, high safety, simple operation, low cost and the like and is especially suitable for household use.

The invention discloses a comprehensive cleaning device for a solar power station. The comprehensive cleaning device comprises a walking support, a cleaning unit, a supply unit, a connector and a mechanical arm; the comprehensive cleaning device for the solar power station is used for cleaning solar cell modules quickly and conveniently, has the obvious advantages of time and labor saving effects, low resource consumption and low energy consumption, has more remarkable performance in the aspects of high-efficiency cleaning rate and resource saving effect particularly for cleaning the solar cell modules in a large-scale solar power station, solves the problems of long working time, low efficiency, high cost and the like in the traditional method for cleaning the solar cell modules, and also solves the problems that the traditional vehicle-mounted solar cell module cleaning equipment has a high requirement on place flatness of the solar power station and the cleaning equipment damages the solar cell modules and wastes resources and energy in the process of cleaning the solar cell modules.

The invention discloses a digital content protection method, a content distribution server and a digital content decryption device in the mobile communication application. The technical proposal is as follows: the method comprises that: a. when users send a downloading request and the downloading request is connected with the content distribution server, a communication link device is used for extracting mobile phone numbers of the users or receiving the mobile phone numbers input by the users, and informs the content distribution server; b. the content distribution server takes the recorded mobile phone numbers as the key to encrypt the digital content, and distributes the encrypted digital content to the user mobile phone terminal; c. the user mobile phone terminal extracts the mobile phone number stored into the SIM card of the mobile phone, the mobile phone number is used for decrypting the received digital content, and the decryption can be successful when the mobile phone number is the same as the user mobile phone number at the time of encrypt. The method, the content distribution server and the digital content decryption device can be applied to the mobile communication field.

The invention provides a pouring and injection integrated indoor testing device and method for monitoring underground water seepage and precipitation. The pouring and injection integrated indoor testing device comprises a visualized round model barrel; a plurality of water penetrating plates are inserted into the visualized round model barrel; a rectangular soil sample box is formed between the water penetrating plates; a soil sample is stored in the rectangular soil sample box; a recharge well and a water precipitation well, which are connected with a water supply device, are inserted into the soil sample, and can be used for pumping and injecting water layer by layer; a pore water osmotic pressure sensor, a soil pressure sensor, a displacement sensor and a water pressure metering instrument, which are connected with an information analysis system, are buried in the soil sample; a water level variable water tank chamber is formed between the water penetrating plates and the round model barrel; and the water level variable water tank chamber is used for simulating a real working condition by controlling the height of a water level through flow control valves mounted on the recharge well and the water precipitation well.

The invention discloses a real-time broken-rail detecting and positioning system based on ultrasonic guided waves. The real-time broken-rail detecting and positioning system based on ultrasonic guided waves is composed of a solar power supply or wired power supply system, an ultrasonic probe, a transmission positioning node, a receiving positioning node, an end node and an upper computer terminal. By using the system, whether a long-distance steel rail is damaged or broken can be detected in real time, the accurate position and damage size of a broken rail can be detected, and the problem that the long-distance broken rail cannot be detected or positioned in real time in the prior art is solved; in addition, the transmission of alarm data of all of the nodes is realized by adopting ultrasonic guided wave signals based on a steel rail transmission medium, and the problems of poor signals and high cost of the existing communication technology are solved.

A remote monitoring system for engineering equipment includes monitoring computer, modem, internet, mobile communication net and at least one engineering equipment with monitoring computer connected with the internal through the modem. The control part for the engineering equipment consists of signal collecting unit, PLC controller, radio communication processor and executing mechanism. The PLC controller transmits the parameters indicating the operation state of each part of the equipment collected by a collecting unit to the radio communication processor after they are processed by the PLC controller, the processed parameters are sent to the mobile communication net by the radio communication processor, and furthermore are sent to the monitoring computer via internet by mobile communication net.

The invention discloses an intelligent household gateway and a system for automatically accessing cloud server by the strategy based on the intelligent household gateway and an application method thereof, and belongs to the intelligent household field. The system comprises an intelligent terminal, the intelligent household gateway, an intelligent household appliance and a cloud service system; the intelligent terminal distributes the strategy to the intelligent household gateway; the intelligent household gateway analyzes and processes the strategy and sends a service request to the cloud service system according to the strategy; the cloud service system is connected to the intelligent household gateway according to the corresponding request and provides the corresponding cloud service to the intelligent household appliance or a user through the intelligent household gateway. According to the system, the intelligent household gateway is mainly innovated in that a household appliance management control module, an access security module and a strategy management module are invented, and therefore, the real-time state monitoring and security access can be performed for the cloud service system, and the cloud service system can provide remote service by a strategy manner.

The invention relates to a large-structure sublevel drilling stage ore removal mining method with delayed filling. The mining method comprises stoping in stopes and bottom structure recovery which are carried out synchronously in a crossed manner, and comprises the following steps: step 1, stoping in odd-numbered stopes, wherein the stoping manner is sublevel drilling stage ore removal, and mined out space I is not filled immediately; step 2, stoping in 1 / 2 bottom structures I corresponding to the odd-numbered stopes, and filling ore rooms and the mined out space I, corresponding to the 1 / 2 bottom structures I, of the ore rooms after stoping is finished; step 3, stoping in even-numbered stopes, wherein mined out space II is not filled immediately; step 4, stoping in 1 / 2 bottom structures II corresponding to ore pillars, and filling the ore pillars and the mined out space II, corresponding to the 1 / 2 bottom structures II, of the ore pillars after stoping is finished. The mining method has the advantages that the mining-cutting work amount is reduced greatly; the production capacity of a single stope is high; the efficiency is high; workers' labor intensity is low; production, dispatching and management are simple. Moreover, stoping of the main ore in a stope and recovery of ore in the bottom structure of the stope are realized synchronously in a crossed manner, and the stoping operation is safe, so that the resource recovery rate is high.

The invention provides a short-range control method and system for mobile terminals. The method comprises the following steps that: wireless data connection is established between a first mobile terminal and a second mobile terminal; the second mobile terminal transmits a short-range control request to the first mobile terminal; when the first mobile terminal receives the short-range control request transmitted by the second mobile terminal, the second mobile terminal acquires current screen shot information, and transmits the current screen shot information to the first mobile terminal; and the second mobile terminal receives real coordinate information and an operation type transmitted by the first mobile terminal to perform short-range control on the second terminal. By adopting the short-range control method and system, the problems of complex process and high cost in the short-range control of the two mobile terminals are solved, a control process is intuitional and convenient, and expenses are not increased. The short-range control method and system are low in technical difficulty, and are easy to implement and popularize.

The invention discloses a cleaning device for a photovoltaic power plant. The cleaning device comprises a cleaner for cleaning the surface of a photovoltaic panel. The cleaning device further comprises a bearing device, a photovoltaic power supply board and an electronic control component, wherein the photovoltaic power supply board is arranged on the bearing device and provides electric energy for the bearing device, the cleaner and the electronic control component, and the cleaner is arranged on the bearing device and is driven by the bearing device under the control of the electronic control component to clean the whole surface of the photovoltaic panel. The cleaning device for the photovoltaic power plan of the invention can completely replace an existing manual cleaning mode, and does not require water and power supply, can operate in a fully-automatic manner in a whole process. The operating cost of the cleaning device is low, so that the number of times of the clean of the photovoltaic panel of the photovoltaic power plant can be effectively improved, and the photovoltaic panel can operate in an optimal energy efficiency state for a long term.

The lift remote monitoring and warning system based on radio network includes a lift monitoring system and a radio network communication system. The key technological points of the present invention include that the lift monitoring system with lift controller is connected to the lift monitoring module and the GSM module in the lift monitoring module is connected to the data server in B / S software structure via the radio communication network in USSD transmission mode, and that the lift monitoring system has its monitoring terminal connected to the Internet Web browser. The lift remote monitoring and warning system realizes the monitoring and warning of lift via the Internet, and the advantages of simple site configuration, low cost, fast response speed, convenient data transmission, etc.

The invention discloses an automatic subpackage machine and method for incense sticks, and belongs to the technical field of incense making. The automatic subpackage machine structurally comprises an arranging and stabilization assembly, a broken incense screening assembly, a counting and quantification assembly, a subpackage and conveying assembly and a control management circuit in sequence. The broken incense screening assembly comprises two parallel conveying belts operating synchronously. A stabilization feeding roller wheel is arranged between the feeding ends of the conveying belts. The receiving position below the feeding roller wheel is in butt joint with a discharging outlet of a vibration feeding hopper, and a discharging point is arranged above the conveying belts to form the linkage of the arranging and stabilization assembly and the broken incense screening assembly. The quantified output automatic subpackage machine is formed by means of the post-processing counting and quantification assembly and the subpackage and conveying assembly. Standard arrangement, broken incense screening, quantified output counting and subpackage of the incense sticks are achieved, and automatic linkage and continuous operation are also achieved. The structure is simple, the efficiency is high, and the repeated operation quality is stable.

The invention relates to a belt weigher for automatically examining a substance, wherein the belt weigher can automatically perform on-line examination on the substance under the condition of normal material transmission of a belt and normal gauge work of the belt weigher. The belt weigher comprises a main weighing frame, a main weighing frame weighing sensor, a sensor supporting frame, a supporting roller, a speed measuring sensor, an auxiliary weighing frame, an auxiliary weighing frame weighing sensor, a sensor supporting frame, a supporting roller, an electric push rod, standard round-bar weights, a standard round-bar weight laying frame, a standard round-bar weight bearing frame, a terminal box, an instrument and so on.

The invention provides a distributed communication-in-motion light shaped antenna which is composed of a plurality of distributed front ends (9), a distributed optical fiber signal network (6), a distributed low-frequency signal network (7) and a distributed grating sensor network (8). Each of the distributed front ends comprises a distributed antenna sub-array (1), an electro-optical / photoelectric conversion chip (3), a sub-array wave beam control system (4) and a grating sensor (5), which are electrically connected around a silicon-based integrated transceiver chip (2). Under command control of a centralized processing terminal (10), each distributed front end (9) can implement beam scanning and satellite signal alignment; and then the plurality of distributed front ends (9) implement beam forming and real-time satellite communication under command control of the centralized processing terminal (10). The technical problem that the existing communication-in-motion antenna is designed in an integrated mode in an aperture, is large in size and heavy, and is hard to match a flexible wing structure in stiffness is solved.

The invention relates to the technology of thermocouple transducer time constant testing, in particular to a thermocouple transducer time constant testing device and method. The thermocouple transducer time constant testing device and method solve the problems that an existing thermocouple transducer time constant testing method is low in excitation temperature, unsatisfactory in excitation signal, high in cost, destructive and incapable of accurately obtaining a time constant in a combustion environment. The thermocouple transducer time constant testing device comprises a verification furnace, a linear servo guide rail, a thermocouple transducer, a temperature controller, a servo controller and a data collecting and processing device. The thermocouple transducer is fixed to a sliding block of the linear servo guide rail, and the temperature measuring end of the thermocouple transducer is maintained to exactly face an inlet of the verification furnace. The signal transmission end of the temperature controller is in bidirectional connection with the signal transmission end of the verification furnace. The thermocouple transducer time constant testing device and method are suitable for testing the time constants of various thermocouple transducers and especially suitable for testing the time constants of various thermocouple transducers in the combustion temperature field environment.

The invention discloses a toluene-benzene vent gas recovery process during hexanolactam production by adopting toluene oxidation method, which comprises the following steps: toluene-benzene vent gas discharged from a toluene oxidation device is introduced into an adsorption tower to carry out gas-liquid countercurrent contact with absorbent that is injected form the tower top under the temperature of 20-50 DEG C and pressure of 0.5-1.0MPa; when the adsorption rate of the toluene-benzene vent gas is up to 90-98 percent, the solution absorbed with toluene-benzene is introduced to a desorption tower and desorption is carried out under temperature of 90-108 DEG C and pressure of 0.1-0.12MPa; when the adsorption rate is higher than 95 percent, desorbed toluene-benzene mixture air is cooled to 20-40 DEG C, the adsorbent after desorption is cooled to 20-50 DEG C and recycled. The recovery rate of toluene and benzene of the process of the invention can be more than 90 percent, and the gross content of toluene and benzene after the recovery process can reach more than 95 percent; therefore, not only the toluene and benzene can be effectively recovered, but also the discharged gas can be up to national and industry emission standards; in addition, economic and social benefits of enterprises are improved.

The invention relates to a management method and a system thereof for mass electricity utilization information collection data. The management method includes a data storing method and a data extraction method, different storage targets are assigned for different data through a database or a distributed storage scheduling module, and data storage and extraction is performed according to a strategy. The system comprises an application server, the distributed storage scheduling module, a storage service sub-module and the database, the application server is respectively connected with the distributed storage scheduling module and a data size server, and the distributed storage scheduling module is connected with the storage service sub-module. By means of the management method and the system thereof for mass electricity utilization information collection data, high expansibility of the system is achieved with low costs, great conveniences are provided in terms of system expansion and the like, and problems of high costs and performance bottleneck caused by processing of large-scale measurement data through independent use of a relational database and poor instantaneity caused by processing of large-scale data through independent use of a distributed file system in an electricity utilization information collection system can be solved.

The invention belongs to a process for preparing white carbon black and in particular relates to a process for producing precipitated white carbon black by silicon tetrachloride. The process comprises the following steps: adding the silicon tetrachloride into 29 to 33 mass percent hydrochloric acid aqueous solution which contains a dispersant, controlling the temperature to between 28 and 45 DEG C for reaction to generate silica sol and chlorine hydride gas, standing and ageing the silica sol to form colloidal white flocculent sediment, filtering, separating and washing the sediment, and pelletizing and drying the sediment to obtain the precipitated white carbon black. The process has short flow, relatively simple production equipment and process control, and available raw materials, effectively utilizes the silicon tetrachloride, totally reclaims the product chlorine hydride, reduces the processing expense, the amount of waste acid and the environmental pollution, and has low production cost, wide application and large market capacity.

The invention belongs to the technical field of transportation, and discloses a highway vehicle inspection system and a working method thereof. The highway vehicle inspection system comprises a cloud server and a plurality of vehicle detection modules, wherein the vehicle detection modules are used for acquiring trajectory points of a vehicle, acquiring comprehensive information of the vehicle, and transmitting the trajectory points and the comprehensive information of the vehicle to the cloud server; and the cloud server is used for matching the trajectory points of the vehicle with road information of a highway to obtain a precise trajectory of the vehicle. The highway vehicle inspection system adopts a computer big data processing technology, has the advantages of high intelligence degree and precise detection, can improve the inspection efficiency and improve the passing management efficiency, and can effectively fight against the fee evasion behavior such as the vehicle card exchange, plate faking and fee evasion at a guardrail notch.

The invention belongs to the field of materials, and in particular relates to a thermoplastic fiber-reinforced composite material, a preparation method and application of the material, and a method for preparing a case shell using the material as a raw material. The thermoplastic fiber reinforced composite material of the present invention includes thermoplastic fiber fabric and thermoplastic resin. Using the thermoplastic fiber-reinforced prepreg / sheet provided by the present invention to prepare the casing of a case can greatly improve the strength and impact resistance of the case compared with the traditional hard case. The thickness of the shell is reduced to reduce the weight of the luggage itself. Compared with the traditional hard box, it can reduce the weight by about 40%, and greatly improves the impact resistance of the luggage, reducing the damage of the luggage during use and consignment. Compared with traditional soft cases, it solves the shortcomings of soft cases and bags that are not pressure-resistant and waterproof, and leather cases are easy to be scratched and damaged, and are difficult to repair or have high repair costs.

The invention discloses a treatment heath care nursing bed combined by a wheelchair and a bed. A bed surface of the treatment health care nursing bed includes a backrest, a seat plate, and a leg supporting plate of the wheelchair, a bed head table, a left bedside table, a right bedside table, and cooling and warming pads corresponding arranged on the above parts; the wheelchair is positioned among the bed head table, the left bedside table and the right bedside table; guide rails are arranged on cross beams connected to inner sides of supporting legs on the bottom of the wheelchair; a scooter having a treadle type foot motion massager, an electrical foot bath device, and moving wheels is connected to the guide rails; the backrest is a movable and adjustable, the backrest can be adjusted to a vertical state by a positioning mechanism connected to the backrest till the backrest extends outward at an angle of 180 degrees and is attached to the center of a bed head table surface; the moving wheels of the wheelchair are manual pushing wheels or motor-driven wheels; the foot supporting plate is arranged on the front end of the seat plate or under the seat plate; and massage devices are arranged in vertical column grooves formed in the center or two sides of the backrest. The invention can solve the problem that the conventional medical nursing beds are few in medical rehabilitation functional parts, and are difficult to carry, maintain, install, transfer, change, and transport.

The invention discloses a bus voltage measuring device based on a closed end of a single phase GIS tank. The bus voltage measuring device comprises a metal sensing wafer, a gas insulated combined electrical apparatus, a resistor, a cable, a voltage detector, and a voltage display. The gas insulated combined electrical apparatus comprises a high-voltage conductor with a cylindrical structure and an outer tank body. A part of the closed end of the outer tank body is cut to form the metal sensing wafer, before measuring the voltage, the metal sensing wafer is pasted to the incision of the closed end. One end of the resistor is connected to the metal sensing wafer, and the other end is connected to the closed end. One end of the cable is connected to the resistor, and the other end is connected to the voltage detector. The voltage display is connected to the voltage detector and is used for calculating and displaying the voltage value of the high-voltage conductor to the outer tank body. Therefore, by using the bus voltage measuring device provided by the invention, by measuring the voltage value of the resistor, the voltage value of the high-voltage conductor in the gas insulated combined electrical apparatus to the outer tank body can be calculated, and the purpose of monitoring the running state of a high voltage transmission line is achieved.

The invention relates to a pond culture water quality monitoring system and a pond culture water quality monitoring method, in particular to a pond culture water multi-parameter acquisition system and a pond culture water multi-parameter acquisition method. The pond culture water multi-parameter acquisition system comprises a water quality data acquisition node and an on-site wireless communication network, wherein the on-site wireless communication network is based on Institute of Electrical and Electronics Engineers (IEEE)802.15.4 communication protocol; the network node of the on-site wireless communication network comprises a personal area network (PAN) coordinator, a full-function device (FFD) and a reduced-function device (RFD); the on-site wireless communication network is constructed into star topology and peer-to-peer network topology; and the data acquisition node comprises a water quality sensor and a wireless network transceiver, and after receiving sensor data, transmits water quality data to a wireless network periodically. In the invention, water quality data can be acquired in a large-scale culture fish pond in real time for regulating the quality of the water in the culture pond and automatically controlling on-site equipment.