561results about How to "Improve power supply stability" patented technology

The invention relates to a wind energy and light energy complementary power supply system based on the energy storage of a super-capacitor, which comprises a DC / DC buck converter (20), an AC / DC converter (30), a super-capacitor unit (40), a DC / AC inverter (50), a DC / DC boost-buck converter (60), a photovoltaic array (70), a wind mill generator (80), an oil engine / commercial power interface (90), an AC load (100) and a DC load (200). The photovoltaic array (70) is connected with the super-capacitor unit (40) by the DC / DC buck converter (20). The wind mill generator (80) and the oil engine / commercial power interface (90) are connected with the super-capacitor unit (40) by the AC / DC converter (30). The super-capacitor unit (40) supplies power to the AC load (100) by the DC / Ac inverter (50) and the DC load (200) by the DC / DC boost-buck converter (60). The invention provides a super-capacitor energy storage device used for the wind energy and light energy complementary power supply system, which can continuously provide power for the communication systems and the residents in remote areas where a distribution network cannot reach.

Disclosed is a wind and solar hybrid power system based on an ultra-capacitor battery hybrid system, which includes a DC / DC buck converter (20), an AC / DC converter (30), an ultra-capacitor assembly (40), a DC / AC converter (50), a battery assembly (60), a battery charge circuit (700), a photovoltaic array (70), a wind generator (80) and an oil engine / commercial power interface (90). The photovoltaic array (70) is connected with the ultra-capacitor assembly (40) through the DC / DC buck converter (20); the wind generator (80) and the oil engine / commercial power interface (90) are connected with the ultra-capacitor assembly (40) through the AC / DC converter (30); the ultra-capacitor assembly (40) charges the battery assembly (60) through the battery charge circuit (700); the ultra-capacitor assembly and the battery assembly provides a definite power buffering to the system so that to maintain a stable voltage of the power supply. The wind and solar hybrid power system of the invention can provides uninterrupted power to the telecommunication system and resident living in the undeveloped areas where the power distribution network can not reach.

The invention discloses a new energy automobile device, and the device comprises a charging gun and a charging pile body, which are connected with a new energy automobile through cables. The charging gun comprises a pull plate, and the upper and lower ends of the right end face of the pull plate are symmetrically provided with an upper plugboard and a lower plugboard. The right ends of the upper and lower plugboards are respectively provided with an upper inclined surface and a lower inclined surface. The central end of the right end face of the pull plate is provided with a contact, and the right end face of the contact is provided with a movement guide surface. The upper end of the pull plate is provided with a pull slot with the notch facing the right. The upper end wall of the pull slot is provided with a clamping groove. The charging pile body comprises a housing and an extending end disposed at the upper end of the left side of the housing. The whole device can complete the switching-off and switching-on of the contact through the operation of a driver, i.e., the switching-off and switching-on of the new energy automobile. The device is simple and convenient in operation, and the pulling and plugging of the contact are achieved through mechanical motion. There is no need of manual operation for the pulling of the contact, thereby saving the force and preventing an electric shock accident caused by the manual plugging and pulling.

The invention discloses a power supply system of a remote sensing platform of an unmanned plane. The power supply system comprises a main power source, an assistant power source, a main switch, an assistant switch, a channel switch, a controller, a NOT gate, a main detection circuit, n main switch power sources and n assistant switch power sources. A main battery and an assistant battery with different capacities are used for power supply, and when the main battery is low, the assistant battery can be switched for backup, so that the manageability of the batteries are improved, and volume load of the unmanned plane can not be increased too much; and according to the power supply system of the remote sensing platform of the unmanned plane, the output voltage amplitude of the power source and the input voltage amplitude of each load can be detected in real time by the detection circuit, and when the output voltage of the main power source is lower the preset voltage amplitude, the assistant power source is switched to supply power in time, an alarm is sent to a monitoring person on the ground to enable the monitoring person to take action to force the unmanned plane to land, and the safety and the reliability of the unmanned plane are improved.

The invention provides a solar small-water-area remote-control waste cleaning boat, which comprises a boat body and a control system. A fishing device, a trash bin, a propelling and steering mechanism, a power supply system and a video acquisition system are arranged on the boat body. The control system comprises a boat body control part and a remote control part. The boat body control part is installed on the boat body. The remote control part is arranged in a boat body control workstation. The boat body control part and the remote control part realize signal transmission through a wireless transmission way to realize the remote control of the boat body and the devices which are arranged on the boat body. The solar small-water-area remote-control waste cleaning boat is remotely controlled based on a wireless remote control technology, has the advantages that the boat is simple to operate, the mobility is good, the controllability is good, secondary pollution is not caused and the working efficiency is higher, and is very suitable for cleaning water surface trash in small water areas in parks or scenic spots.

The invention discloses a grid-connected wind-light combined power generation system which comprises a wind power generator set, a solar photovoltaic array, a detecting device (11), an electrical storage device (12) and a master control device (13), wherein the wind power generator set and the solar photovoltaic array are respectively connected into an electric network; when the sum of the output power generated by the wind power generator set and the solar photovoltaic array is larger than the fluctuation range of the output power required by the electric network, the electrical storage device (12) is controlled to store electric energy by the master control device (13); and when the sum of the output power is smaller than the fluctuation range of the output power required by the electric network, the electrical storage device (12) is controlled to release the electric energy by the master control device (13). In the working process of the grid-connected wind-light combined power generation system, a supplementary power generator set is used for generating power, and the power of the power generation system transmitted to the electric network is adjusted in real time by the electrical storage device (12) according to the size of the output power, so that the power output to the electric network from the power generation system is more stable, thereby the power supply stability of the power generation system is improved, and the power supply quality of the electric network is ensured.

The invention discloses a power supply plugging device. The power supply plugging device comprises a plug-in part used for connection with electrical equipment by using a wire and a power supply part connected with commercial power. The plug-in part comprises a handheld body. The front end and the rear end of the right end surface of the handheld body are symmetrically provided with two plugging columns, and the right end of each of the plugging columns is provided with a positioning grooves, and in addition, the middle part of the right end surface of the handheld body is provided with a plug. The power supply part comprises a housing, and the left end surface of the housing is provided with an opening facing leftwards and a power supply hole cooperated and connected with the plug. The front end and the rear end of the left end surface of the housing are symmetrically provided with plugging column grooves used for cooperated connection with the plugging columns. The power supply plugging device is advantageous in that a structure is simple, and power supply stability is good, and therefore electric shock accidents during the plugging and the unplugging of the plug-in part are prevented, and life safety of people is guaranteed; the operation of the whole device is safe and reliable, and the locking and unlocking operations of the plugging columns and the plug are simple and convenient, and the unplugging of the plug-in part is convenient and labor-saving.

The invention relates to the field of distributed power generation and microgrids and discloses a microgrid on-grid to off-grid switching control system. The system comprises an energy-storage bidirectional converter, an on-grid switch and a controller; one side of the on-grid switch is connected with the output end of a main power source; the other side of the on-grid switch is connected with the output end of the energy-storage bidirectional converter; the output end of the energy-storage bidirectional converter is connected with a controller; if the controller receives a connection command, the controller adjusts main grid side voltage and microgrid side voltage of the on-grid switch in the same period; after the on-grid switch is closed, the energy-storage bidirectional converter converts from a voltage source mode to a current source mode and keeps current power unchanged; after on-grid time reaches set delay time, the energy-storage bidirectional converter outputs active power and reactive power. The invention further discloses a control method based on the system. By the use of the system, the problem that switching of the running mode of a microgrid causes disturbance to a load and a grid is solved, and seamless off-grid to on-grid switching is achieved.

The invention provides a multilayer wiring substrate / multi-chip integration-based large port interconnection chip interconnection construction and physical realization method and relates to a multi-chip interconnection structure, a multi-chip interconnection structure construction method, multi-chip layout, substrate pin array partitioning and distribution, distribution of high-speed differential signal pin pairs, effective partition of substrate wiring and a partition method of the substrate wiring as well as a corresponding multi-chip interconnection chip device which are applicable to substrate integration. According to the invention, large-port interconnection chips can be effectively and equivalently realized based on substrate encapsulation size. Compared with a corresponding single-chip integration implementation method, the method of the invention can support multiple kinds of interconnection structures, and is compatible with interconnection sub-chips be of a variety of micro-system structures, can effectively utilize the characteristics of different functional interconnection sub-chips, and has better performance in implementation cost of the chips, scalability, flexibility, compatibility and the like; and at the same time, the method of the invention has lower requirements for manufacturing technology for realizing a required integrated circuit and can provide interconnection chips having different specifications and different number of ports, and can more flexibly adapt to market demands.

The invention discloses a novel power supply facility. The novel power supply facility comprises a plug socket fixedly mounted in a wall and a plug head connected with a power consumption apparatus via an electric wire, wherein the plug socket is provided with a sliding chamber which opens to the right, a sliding block is mounted in the sliding chamber in a sliding way, plugging grooves which opento the right are vertically symmetrically arranged in the sliding block, first elastic electric conduction sheets are mounted in the plugging grooves, a power supply block is fixedly arranged on a left end face of the sliding block, a power supply groove matched with the power supply block is arranged in a left end wall of the sliding chamber, telescoping grooves that extend up and down are symmetrically arranged in upper and lower end walls of the sliding chamber, and sliding arms are mounted in the telescoping grooves in a sliding manner; second elastic electric conduction sheets are fixedly mounted on end faces, positioned away from the sliding chamber, of the sliding arms; third elastic electric conduction sheets opposite to the second elastic electric conduction sheets are mounted inthe telescoping grooves, electric conduction arms matched with the plugging grooves are symmetrically arranged on an upper part and a lower part of a left end of the plug head, a lengthwise groove ofwhich an upper end and a lower end are communicated with each other is arranged in the plug head, and a horizontal groove which opens to the left and runs through the lengthwise groove is arranged inthe plug head.

The invention discloses an electric power supply plug-in assembly, which comprises a power supply socket embedded in a wall and a power connection part for mating connection with the power supply socket. A plug is arranged in the middle of the rear end of the power connection part. The rear end of the power connection part is respectively symmetrically provided with two plug boards on the left and right sides of the plug, and each of the plug boards is provided with a locking groove at the rear end, and the front end of the power supply socket is provided in the middle to connect with the plug. The first power supply hole for matching connection, the front end of the power supply socket is respectively symmetrically provided with two slots for cooperating with the plug-in board on the left and right sides of the first power supply hole, and the outer side of each of the slots The end wall is provided with a lock column sliding groove. The overall structure of the present invention is simple, the power supply stability is good, the occurrence of electric shock accidents in the existing life is reduced, people's lives are effectively guaranteed, and the power-on and power-off of electrical facilities All are realized through the automatic control of the driving motor, and the operation is simple and convenient.

A method for controlling soft start of a power supply performs soft start under an open loop control mode after the power supply is started, enters a switching control mode when output voltage of the power supply reaches a reference value, starts to convert the output voltage of the power supply into digital data using an analog-to-digital converter for determining if the power supply is switched to a closed loop control mode and the output voltage is adjusted under the switching control mode. Using the foregoing technique can enhance the bit length utilization rate of the analog-to-digital converter, ensure a smooth waveform of the output voltage and suppress maximum excess or minimum deficiency or a transient response at the switching control mode.

The invention discloses a new energy source automobile device, which comprises a charging pile body, wherein hanging plates are symmetrically arranged in the front and back sides of the upper part position of the right end surface of the charging pile body; a jack is formed in the left end surface of the charging pile body; an electric contact block is arranged on the right end wall of the jack; afirst slide moving cavity is formed under the jack in the charging pile body; a second slide moving cavity is formed in the right end of the jack in the charging pile body; a third installing grooveis formed between the right end of the first slide moving cavity and the lower end of the second slide moving cavity; a through hole is formed between the jack and the first slide moving cavity in a mutual communication way; a plug plate is connected into the through hole in a slide moving matching way. The new energy source automobile device has the advantages that the integral structure is simple; the operation of the whole device is safe and reliable; the power-on and power-off operation of the jack is simple and convenient; the use cost is reduced; the occurrence of electric shock accidents in the existing life is effectively reduced; the life safety of people is guaranteed; the power supply stability is high.

The invention discloses information data equipment. The information data equipment comprises a distribution box, an electric connecting seat arranged in the right side end face of the distribution boxand an electric connector connected with the data equipment, wherein a dustproof board is fixedly connected to the top end face of the distribution box through an arm lever; hook parts are correspondingly arranged on the left side end face of the distribution box in a front-back corresponding manner; jacks of which ports face rightwards are formed in the electric connecting seat in an up-down corresponding manner; a sliding cavity is formed between the two jacks; an intercommunicated first through groove is formed in the left side of a part between the two sliding cavities; a second through groove is formed between each sliding cavity and the corresponding jack; a sliding block which can horizontally slide leftward and rightward is arranged in each sliding cavity; a pushing groove of which a port faces the first through groove is formed in each sliding block; a third through groove which is intercommunicated from left to right and penetrates through the pushing groove is formed in each sliding block; a pushing block which can vertically and horizontally slide is arranged in each pushing groove; a fourth pushing groove which is intercommunicated from left to right is formed in eachpushing block; a first inclined sliding plane is arranged on the end wall, close to the corresponding first through groove, of each fourth through groove.

The invention discloses a safe lockable power supply plug-in device, which comprises a socket body arranged on the wall and a plug body connected with the socket body by plugging and mating. The rear end surface of the plug body is symmetrically provided with two posts on the left and right sides of the plug, each of the two posts is provided with a locking groove and the two locking grooves are arranged oppositely, and the socket A power supply hole is provided in the middle of the front face of the body for the insertion and connection of the plug. The socket body is provided with an accommodation cavity. The overall structure of the present invention is simple, and the power supply stability is good, which reduces electric shock accidents in existing life. The occurrence of the occurrence effectively guarantees the safety of people's life and property, and the operation of the whole device can be realized by a single motor, the structure setting is very reasonable, the operation is relatively simple and convenient, and it is suitable for popularization and use.

An infrared charging system disclosed by the present invention comprises a plurality of infrared charging devices and a plurality of to-be-charged devices. The infrared charging devices and the to-be-charged devices establish connection via the infrared ray pairing, so that the to-be-charged devices are charged. The present invention also discloses an infrared charging method. The method comprises the steps that: firstly, the infrared charging devices transform the electric energy into the infrared signals to emit; the to-be-charged devices and the infrared charging devices establish the pairing connection; and the to-be-charged devices receive the infrared signals and transform the infrared signals into the electric energy to store. The infrared charging system and the infrared charging method of the present invention solve the problem that the charging distance of a conventional wireless charger is not ideal, and realize the effects of improving the effective charging distance and the power supply stability of the wireless charger.

The invention provides a multi-port energy router. The multi-port energy router is characterized in that a positive-negative ring network of double DC buses, that is, a positive-negative 375V DC bus ring network is proposed in order to construct a 375V / 750V double DC bus system; by means of coordinated operation of a fourth port-isolated DC converter and energy storage equipment, the function of stabilizing the two DC buses in the 375V / 750V double DC bus system is achieved, and the power supply quality of the system is improved; by means of power control over two ports of the fourth port-isolated DC converter, electric energy interaction of the two DC buses is achieved, and it is guaranteed that the two DC buses can still keep at 375V and 750V under different loads; and on the constructed375V / 750V double DC bus system, a plurality of different converters serve as ports to connect a public power grid, a wind power generator, energy storage equipment, a photovoltaic power generator, anAC load and a DC load, and then the various ports are controlled to operate coordinately by an energy manager.

The invention provides a resource allocation optimizing method for failure repair of a distribution network. The method comprises the following steps: acquiring positions of fault points of a power grid and repair resource demand information thereof; acquiring current available power grid repair resource information of local repair points of power grid fault points; judging whether the current available power grid repair resource information of local repair points meets the demand of the repair resource demand information or not; if not, acquiring current power grid repair resource information of the repair points around the local repair points and constructing resource allocation optimizing models of a plurality of contributive points according to the repair resource demand information and current power grid repair resource information of around contributive points; optimizing the resource allocation optimizing models of the contributive points based on the TOPSIS algorithm to acquire the optimal resource allocation scheme for guiding optimized allocation of the repair sources required by the power grid fault points. According to the method provided by the invention, optimized allocation of the repair resources is realized, the time for recovering the power grid faults is shortened and the power supply reliability and stability are improved.

The invention discloses robot equipment. The robot equipment comprises an electric connection body and an electric feeding body. The electric connection body comprises a first plugging rod and a second plugging rod. The second plugging rod is disposed on the middle part of the right end surface of the first plugging rod, and the middle part of the right end surface of the second inserting rod is provided with a contact. The front end and the rear end of the right end surface of the second plugging rod are symmetrically provided with two plate members, and the inner side end surfaces of the two plate members are respectively and symmetrically provided with two locking holes. Annular cushion blocks are disposed on the right end surface of the first plugging rod and the outer ring of the second plugging rod. The electric feeding body comprises a base. The robot equipment is advantageous in that a structure is simple, and power supply stability is good; the operation of the whole device is safe and reliable, and a structural design is reasonable, and even when a cable used for connection between the contact and the robot is accidentally kicked and collided by people, the contact is prevented from being disengaged from cooperated connection with an electric feeding groove, and therefore the locking operation and the unlocking operation of the contact are simple and convenient, and popularization and application are facilitated.

The invention discloses a multi-power supply control system comprising n power supplies, n loads which are correspondingly connected with the n power supplies, and n multi-power supplies control devices; each multi-power supply control device is correspondingly connected between each power supply and the primary load thereof; each multi-power supply control device comprises at least one second branch which is connected with other secondary loads; when the power supplies in the system work normally, each power supply supplies power to the corresponding primary load through a first branch; and when the system has any fault power supply, the primary load which is correspondingly connected with the fault power supply supplies power to the primary load corresponding to the fault power supply through the fault-free power supply which is connected with the second branch. The invention uses a simple hardware circuit, and solves the problem that when a plurality of power supplies supply power to a plurality of loads, some power supply fails to work suddenly and all the loads are powered off because other power supplies are overloaded instantaneously.

The invention discloses an improved power connecting device for electrical equipment. The improved power connecting device for the electrical equipment comprises a power supply seat fixedly mounted ina wall and a power connecting head connected with the electrical equipment, wherein an insertion slot having a rightward opening and matched with the power connecting head is formed in the right endsurface of the power supply seat; power supply slots with rightward openings are formed in the left end wall of the insertion slot in longitudinal symmetry; a communicating cavity communicated with the two power supply slots is formed between the two power supply slots; first sliding slots communicated with the communicating cavity are formed in the left end wall of the communicating cavity in longitudinal symmetry; second sliding slots communicated with the first sliding slots and the power supply slots are formed between the first sliding slots and the power supply slots; first sliding armsare mounted inside the second sliding slots in a sliding manner; rolling wheels are mounted on the end surfaces, facing the first sliding slots, of the first sliding arms; power supply sheets are fixedly mounted on the end surfaces, facing the power supply slots, of the first sliding arms; sliding cavities extending left and right are formed in the end walls, away from the communicating cavity, ofthe power supply slots; through slots communicated with the power supply slots are formed in the right sides of the end walls, near the power supply slots, of the sliding cavities.

The invention provides an adaptive reclosing method based on travelling wave segmentation principle for a mixed line. The method comprises the following steps: (1) using M and N to represent the two ends of the mixed line, using tM and tN to respectively represent the absolute time at which the initial travelling wave surge of the line fault reaches the M-end bus and the N-end bus, computing the difference deltaTp of the time at which the travelling wave of the fault reaches the two ends of the line when the P point has fault and using the difference deltaTp as the reference value, wherein the M end is the cable end and P is the joint of a cable and an overhead line; (2) computing the difference deltat of tM and tN when the line has fault; (3) judging the fault section according to whether deltat is greater than deltaTp or not; and (4) when the fault point is in the overhead line section, a line protection device starts reclosing after the line fault is eliminated, or the line protection device closes reclosing. The method has the beneficial effects of realizing adaptive reclosing of the mixed line and improving the power supply reliability and has broad application prospect.

The invention discloses a new energy automobile device. The new energy automobile device comprises a charging pile and a charging gun, wherein the charging gun is used for connecting the charging pile in a matching way, an insertion rod is arranged at a middle end of a rear end of the charging gun, two fixed plates are respectively and symmetrically arranged at a left side and a right side of the insertion rod at the rear end of the charging gun, a locking groove is formed in a rear end of each fixed plate, a base is fixedly arranged at the bottom of the charging pile, vertically-penetrating through holes are formed a left side and a right side, arranged at an outer side of the charging pile, of the base, and a first electrical connection port is arranged at a middle end of a front end of the charging pile and is used for connecting the insertion rod in a matching. The new energy automobile device is simple in integral structure and good in power supply stability, an electric shock accident in existing life is reduced, and life safety of people is effectively guaranteed; and moreover, energization and de-energization of a new energy automobile can be achieved by automation manipulation of a motor, and the new energy automobile device is simple and convenient to operate.

The invention provides a method, a device and a system capable of achieving automatic double-power-supply switching for eliminating continuous flashing, and the method, the device and the system are used for solving the problem that user production and life are influenced seriously due to continuous flashing when a load circuit is switched from one power supply to another power supply in a mutually standby double power supply system in the prior art. The method includes: receiving a voltage detection signal of a power supply in the power supplying state; processing and judging the voltage detection signal; outputting a voltage loss timing start control instruction when a voltage value corresponding to the voltage detection signal is lower than a voltage loss threshold value; receiving a timing to triggering signal; receiving a current voltage detection signal of the redetected power supply in the power supplying state; processing and judging the current voltage detection signal; and outputting a power supply switching control instruction when a voltage value corresponding to the current voltage detection signal is lower than the voltage loss threshold value. By the technical scheme, power supply stability of a system is improved beneficially.

The invention provides a mixed line self-adaptive reclosing method based on a traveling wave ranging principle, which comprises the following steps of: (1) representing both ends of a mixed line by M and N, wherein M is a cable end bus, and N is an overhead line end bus; calculating line total length L after wave velocity reduction; (2) measuring a difference of time (delta t) spent in surging line failure initial traveling wave to the buses at both ends and calculating distance DMF or DNF between a failure point and any end of a line after wave velocity reduction; (3) confirming a failure zone according to the DMF or DNF; and (4) when the failure point is positioned in the overhead line zone, starting reclosing by a line protecting device after line failure is cut off; and otherwise, locking reclosing. The method realizes mixed line self-adaptive reclosing, improves the power supply reliability and has wide application prospect.

The invention discloses an Ethernet power supply method, a power supply device and power supply equipment. The Ethernet power supply method is applied to the power supply equipment. The power supply equipment comprises an HPOE port. The Ethernet power supply method comprises the following steps of: accessing PD equipment at the HPOE port, and determining the type of the PD equipment; and, supplying power to the PD equipment based on the type of the PD equipment, wherein the power supply equipment can supply power to at least two types of PD equipment; and at least two types of PD equipment include POE equipment and HPOE equipment. By means of the method provided by the invention, the technical problem that the HPOE power supply type is poor in compatibility in the prior art can be solved.

The invention discloses an unmanned aerial vehicle flight controller attitude calculation and control method. The attitude calculation method includes a first attitude matrix obtained by fusing an accelerometer with a magnetometer, a second attitude matrix obtained by fusing a gyroscope and a third attitude matrix of the previous control period, and a third attitude matrix including high-precision attitude information obtained by fusing the first attitude matrix and the second attitude matrix. The attitude control method takes the attitude space vector as the control object, obtains the control quantity of each motor according to the third attitude matrix, and realizes the attitude control of the unmanned aerial vehicle. The attitude calculation and control method can be applied to the control of all the attitudes of the unmanned aerial vehicle, and is high in real-timeness and stable in attitude calculation and control.

The invention discloses an intelligent power supply system for a photovoltaic air conditioner and a power supply method. The system comprises a control module, a two-way AC / DC converter module, an inversion module and a photovoltaic system, wherein the two-way AC / DC converter module, the inversion module and the photovoltaic system are connected with the control module respectively; the photovoltaic system is used for converting solar energy into direct current; the two-way AC / DC converter module and the inversion module are connected with the photovoltaic system respectively; and according to the working conditions of the photovoltaic system and an air conditioning unit, the control module enables power supply to the air condition through the inversion module after establishing the connection of the photovoltaic system or enables excessive electric energy feedback through the two-way AC / DC converter module, or enables power supply to the air condition through the two-way AC / DC converter module and the inversion module after establishing the connection of the power grid. The method is a power supply method utilizing the above power supply system when the photovoltaic system and the air conditioning unit are in different working conditions. The intelligent supply system has the advantages of being simple and compact in structure, low in cost, high in power supply efficiency and high in stability; and an intelligent power supply control function of the photovoltaic air conditioner can be achieved on the basis of one set of system.

The invention relates to the technical field of marine water quality monitoring, in particular to a remote monitoring and control system for the marine water quality based on multi-buoy sensing nodes.The system comprises a buoy sensing network node group, a node information comprehensive processing module and a remote automatic monitoring and control module, the buoy sensing network node group includes a plurality of buoy sensing nodes, each buoy sensing node includes a buoy body, and a data online monitoring module, a data wireless transceiver module, a data preprocessing module, an electricquantity comprehensive management module and a satellite positioning module are integrated on each buoy body. The data online monitoring modules are used for obtaining water quality data, and the water quality data is sent to the node information comprehensive processing module through the data wireless transceiver modules; the node information comprehensive processing module is in real-time communication with the remote automatic monitoring and control module through a wireless remote transmission unit. The system can achieve fast, accurate and real-time monitoring of water quality parameters of specific sea areas.