72results about How to "Increase the number of collections" patented technology

The invention discloses a garbage disposal system based on internet of things. The garbage disposal system comprises a dustbin terminal device, a garbage truck terminal device and a monitoring center terminal device, wherein the dustbin terminal device comprises a smart dustbin, a wireless communication module, a video monitoring module and a power module; the garbage truck terminal device comprises a garbage truck, a satellite positioning module and a first communication device; and the monitoring center terminal device comprises a data processing module, an alarm module, a navigation information receiving module, a geographic information module, a database module and a second communication device. The garbage disposal system remotely monitors the quantity of garbage and remotely schedules the garbage truck, thus realizing centralized supervision and centralized scheduling, reasonably allocating human resources and realizing optimal garbage collecting efficiency.

The invention discloses an indoor positioning system based on a WiFi fingerprint and a vehicle parking and picking up navigation system of the indoor positioning system. The indoor positioning system comprises a server, an interchanger, at least one router and a plurality of APs, wherein each AP is provided with a plurality of antennas; each antenna transmits a corresponding WiFi signal by precoding; information of a RSSI of which a terminal is connected with the WiFi signals is transmitted to the routers connected to the RSSI by the APs; the information of the RSSI is forwarded to a server through the interchanger; and the server responds the received information of the RSSI to obtain the position information of the corresponding terminal by a preset machine learning algorithm. Therefore, the number of acquired information of the RSSI can be increased exponentially by the positioning system, and therefore, the locating position obtained by the server through the preset machine learning algorithm is accurate.

The invention discloses a wireless sensor network positioning method based on matrix completion. The method comprises the following steps: collecting a part of distance information through the low rank property of a node Euclidean distance matrix to restore a relatively complete node Euclidean distance matrix via the matrix completion theory; and then calculating a conversion matrix for converting a relative coordinate into a real coordinate by using the classical multidimensional scaling mapping algorithm according to the relationship between a real position coordinate and a relative position coordinate corresponding to the real position coordinate of an anchor node, and converting the relative position coordinate of an unknown node into the real position coordinate. In a Euclidean distance matrix completion process, the regularization technique is imported to model the Euclidean distance matrix restoration problem as a norm regular matrix completion problem, and then the norm regular matrix completion problem is solved by using the alternating direction multiplier method. By adoption of the method, the workload of constructing the Euclidean distance matrix can be reduced, and positioning precision higher than similar methods is obtained in all kinds of noise scenes.

The invention provides a trawl type garbage cleaning ship, and belongs to the technical field of garbage cleaning ships. The ship comprises a ship body structure, a first conveying belt and a collecting mechanism. A notch is formed in the tail part of the ship body structure; a collecting cabin is arranged in the ship body structure; an opening is formed in the deck surface of the ship body structure; the opening is communicated with the collecting cabin; the first conveying belt is obliquely arranged in the notch; the right end of the first conveying belt obliquely extends upwards out of thedeck surface of the ship body structure, and the end part is positioned above the opening; the left end of the first conveying belt obliquely extends out of the tail of the ship body structure downwards, a push plate is perpendicularly arranged on the belt face of the first conveying belt, the collecting mechanism is arranged at the tail of the ship body structure, and the collecting mechanism cancollect garbage on the water surface around the ship body structure to the first conveying belt. The cleaning area of garbage on the water surface can be increased, and the garbage cleaning efficiency is improved.

The present invention discloses a monitoring device capable of finely identifying vehicle models. The monitoring device comprises four supporting upright columns; the top surfaces of the upright columns are provided with a first cross beam assembly, a second cross beam assembly, a first vertical beam and a second vertical beam; the first vertical beam is provided with a second monitoring camera; the second vertical beam is provided with a third monitoring camera; the first cross beam assembly is provided with a first monitoring camera; the second cross beam assembly is provided with a fourth monitoring camera; the inner side surface of the first vertical beam or the second vertical beam is provided with a motor seat, a servo motor, a coupling, a left screw rod seat, an upper guide rail, a ball screw rod, a lower guide rail and a right screw rod seat, wherein the ball screw rod is provided with a vertical moving device; and the monitoring device further comprises a ground measurement device and a console. With the monitoring device of the invention adopted, time for vehicle image acquisition can be prolonged; a dynamic tracking monitoring device can ensure that image information is clearer; the ground measurement device can record the image information of chassis; and a vehicle monitoring function is realized; and the success rate of fine identification is improved.

The invention relates to ovary storing liquid and an ovary storing method, in particular to ovary constant-temperature storing liquid and an ovary constant-temperature storing method. The problems that at present, constant-temperature ovary storing time is over short, and the quantity and the quality of oocytes are affected are solved. The ovary constant-temperature storing liquid comprises phosphate buffer, glucose and tea polyphenols. The ovary constant-temperature storing method comprises the following steps of (1) removing adipose tissues surrounding an ovary and then rinsing the ovary by using normal saline; and (2) placing the ovary which is cleaned in the step (1) in the ovary constant-temperature storing liquid. The ovary constant-temperature storing liquid has the advantages of high efficiency, low cost, high convenience and zero toxicity on cells. The ovary constant-temperature storing method is simple and is easy to operate; other refrigerating equipment is not required; and the ovary constant-temperature storing liquid and the ovary constant-temperature storing method are particularly suitable for collecting ovaries of wild animals in fields; and the collected ovaries of the animals can be conveyed at constant temperature by a long distance.

The invention discloses an environmentally friendly duckweed fishing device for small river regulation. The environmentally friendly duckweed fishing device for small river regulation comprises a fishing boat, a movable rod and crushing gear supporting columns, wherein a fixing column is fixed on the surface of the left side of the fishing boat; a connecting rod penetrates through the surface of the top end of the fixing column; a limiting stopper is fixed at the top end of the connecting rod; the crushing gear supporting columns are fixed on the side walls of two ends of a fixing support plate; a drainage plate is mounted on the outer side of the top end of the fixing support plate; a storage box is arranged at the left end of the drainage plate; and a water inlet and a water outlet are separately formed in the head end and the tail end of the water outlet tube. According to the environmentally friendly duckweed fishing device for small river regulation, because the connecting rod isin threaded connection with the movable rod, a user assembles and disassembles the connecting rod and the movable rod conveniently, maintains the movable rod and a fishing net at the lower end of themovable rod conveniently, and then fishes duckweed in different regions of the river favorably, the duckweed fishing rate is increased favorably, and environmental protection is facilitated.

The invention provides a sponge urban ecological landscape wall with the ornamental and environmental greening functions. The sponge urban ecological landscape wall comprises water storage tanks, wallbodies and a rain collecting cylinder; a foundation is provided at the bottom of the wall main body through pouring; the water storage tanks are arranged on the upper side of the foundation; each wall bodies is fixedly arranged at the bottom of the inner side of one corresponding water storage tank; two surfaces of the bottom side of each wall body are both symmetrically provided with inner-layerwater absorption cotton; the outer side of the inner layer water absorption cotton is provided with a fixed inner steel net; the outer side of each fixed inner steel net is provided with moss planting cotton; the outer side of the moss planting cotton is provided with a fixed outer steel net; and the inner layer water absorption cotton, the fixed inner steel nets, the moss planting cotton and thefixing outer steel nets are all locked and fixed on two sides of the bottom of the wall bodies through bolts. The bottom side, provided with the water storage tanks, of the sponge urban ecological landscape wall with the ornamental and environmental greening functions is rotationally installed on the foundation through a rotating shaft seat, and rotation of the water storage tanks is facilitated,so that rotation adjustment of the wall bodies is driven, two sides of each wall bodies can be switched, and the ornamental value is effectively improved.

The invention discloses an SOE (sequence of event) acquisition card and an acquisition method thereof, and belongs to the field of electric power systems. According to the SOE acquisition card disclosed by the invention, CPLDs (complex programmable logic devices) are increased between a SOE communication module and parallel channels for being used as the SOE acquisition cards, one CPLD can receive data from a plurality of the parallel channels, and when the data is uploaded, only one I / O (input / output) port in the SOE communication module is required, so that the acquisition quantity of the SOE data can be expanded; the processing of the SOE data is respectively performed in the CPLDs, and the SOE data does not need to be transmitted to a CPU (central processing unit) for unified processing, so that the data processing efficiency is further improved and the resolution capability of events can be further improved; and furthermore, a timer and an input latch are increased, so that the filtering function of the SOE data is increased and the possible external interference is eliminated.

The invention discloses a method for locating a mobile user based on cell frequency weighting in a period of time. The method comprises the steps of 1, carrying out data analysis through parameters such as service cell IDs and adjacent cell IDni in a wireless measurement report in a special period of time; 2, calculating cell locations according to parameters such as base station locations, cell antenna direction angles and tower height; and 3, training the special period of time by employing a machine learning method. According to the method, development of a light location platform is realized; the construction investment of the location platform is reduced; the problem that the location precision of a triangular location mode is poor is solved; and the method can be applied to acquisition of a user location attribute in a mobile environment, description of user tracks through assistance of time stamps and analysis of passenger flow volume.

The invention relates to a microblog information priority collection method based on multiple strategies, which can timely and effectively obtain the information of a blogger by constructing a multi-strategy priority collection method under the condition of limited collection capability. The method comprises the steps of firstly, constructing a classification model to screen bloggers, removing junk bloggers, and dividing the remaining bloggers into three categories according to the number of microblogs and the number of fans; secondly, aiming at different types, constructing different acquisition strategies; clustering the blog sending time of the large V bloggers, and extracting the optimal collection time of the large V bloggers; and through the microblog statistics of the bloggers, training a regression model, predicting the activity values of the bloggers, and sorting the bloggers according to the activity values; and finally, designing a multi-strategy microblog priority acquisition method by integrating the three types of acquisition strategies, and maintaining the timeliness of the acquisition strategies by periodically updating the acquisition queue. Experiments show that the hotspot microblog information can be effectively obtained in time, and the collection number is greatly increased.

The invention proposes an energy-saving high-efficiency garbage processing system, and the system comprises a garbage bin terminal, a garbage processing terminal, a garbage vehicle fault detection device, and a monitoring center. The monitoring center is in wireless communication connection with the garbage vehicle fault detection device, the garbage bin terminal and the garbage processing terminal. The garbage processing terminal is used for monitoring the quantity of garbage in a garbage bin, and transmits compressed data comprising a full signal and position information to the monitoring center when the quantity of garbage reaches or exceeds a preset value. The monitoring center carries out the processing of the compressed data, generates garbage carrying operation information and position information, selects a model of a garbage vehicle without any fault based on the information transmitted by the garbage vehicle fault detection device, and transmits the garbage carrying operation information and position information and the model of the garbage vehicle to the garbage processing terminal. The system can optimize the configuration of manpower resources and vehicle resources, and saves the cost.

The invention relates to a fast-catching vehicle for shellfish, and belongs to the technical field of shellfish transport. The vehicle is characterized by comprising a collecting box (10) arranged onthe top of the catching vehicle (7), the upper part of a conveying pipe (8) is horizontally arranged above the collecting box (10), the lower part is vertically arranged on the rear side of the capturing vehicle (7), and a rotating digging mechanism for digging sediment is arranged on one side of the conveying pipe (8); the conveying pipe (8) comprises a plurality of coaxial spiral conveying rings4), the spiral conveying rings (4) are externally sleeved with water conveying pipes or gas conveying pipes. According to the invention, a plurality of spiral conveying rings are used to form a forward advancing force, and a suction force to the shellfish can be formed without the need of a propeller blade, and contact damage to the shellfish is not caused, and the high-quality transport of the shellfish can be achieved, the freshness and vitality of the shellfish are fully ensured.

The invention discloses a layered collection and preservation device for deep lake water samples, which comprises a frame assembly, a sampling and preservation device, a transmission device, a power device and a flow guide device, the frame assembly is fixedly connected with the sampling and preservation device, one side of the sampling and preservation device is communicated with one side of the transmission device, one side of the transmission device is in fastening connection with one side of the frame assembly, the frame assembly is in fastening connection with the power device, the frame assembly comprises a frame, a flow guide device is arranged on the outer ring of the frame, the frame is in fastening connection with the flow guide device, and the power device comprises a sedimentation assembly and a jacking assembly. The bottom side of the sedimentation assembly is fixedly connected with the upper end of the frame, the upper side of the jacking assembly is fixedly connected with the lower end of the frame, a fixing groove is formed in the cylinder body, a transverse plate is arranged at the upper end of the cylinder body and fixedly connected with the cylinder body, a bottom plate is arranged at the lower end of the cylinder body, and the outer circle face of the bottom plate is fixedly connected with the inner side wall of the fixing groove.

The invention provides an offshore garbage collection device, and belongs to the technical field of garbage cleaning. The offshore garbage collection device comprises two floating bodies, a conveyingbelt, a material receiving frame, an extrusion screening mechanism and a collecting mechanism, a connecting block is arranged between the two floating bodies, the conveying belt is obliquely arrangedbetween the two floating bodies, a plurality of push plates are vertically arranged on the conveying belt in the length direction, the material receiving frame is arranged on the upper side face of the connecting block, the material receiving frame is located under the right end of the conveying belt, a partition plate is arranged in the material receiving frame and divides the material receivingframe into a first garbage cavity and a second garbage cavity, the extrusion screening mechanism can flatten garbage falling from the conveying belt and screen out iron garbage in the garbage, and when the two floating bodies move forwards, the collecting mechanism can collect garbage on the left sides of the floating bodies to the position near the left end of the conveying belt. According to theoffshore garbage collection device, marine garbage can be rapidly cleared away, and meanwhile iron garbage can be screened out and recycled.

The method provides a method for realizing locking of an electric car based on bluetooth approaching. The method comprises the following steps that S1, a bluetooth signal is received through an API interface of a mobile phone; S2, RSSI data sent by a bluetooth device is received through the mobile phone, and the RSSI data is stored into a local array queue; S3, filtering processing is performed onthe RSSI data so as to realize data calibration; S4, an arithmetic average value of the RSSI data subjected to the filtering processing is calculated so as to realize the locking of the electric car.According to the method, the error caused by various reasons deviation of the RSSI data can be corrected, and the problem that the RSSI data change is too large or interfered is corrected; on the basis of the method, the optimized acquisition number of the RSSI data is increased, so that the fluctuation of the RSSI data is more smooth; and by means of the method, the mode of realizing the lockingof the electric car based on the bluetooth approaching is more reliable, and the experience feeling and the application performance of a product are improved.

The invention discloses a tomato seed obtaining device for agricultural research, and relates to the technical field of agriculture. The tomato seed obtaining device aims to solve the problems that pulp is separated from seeds after being crushed, the surfaces of the seeds are prone to being damaged in the separation process, and the survival rate of the seeds is affected. The tomato seed obtaining device specifically comprises a base, a cleaning box is fixedly installed at the top of the base, a feeding pipe is arranged at the top of the cleaning box, a sealing cover with the section being ofan inverted-U-shaped structure is installed at the top end of the cleaning box through a hinge and a hasp lock, and multiple electric push rods are fixedly installed on the two sides of the sealing cover. In the tomato seed obtaining device, sprayed water is used for washing mashed tomatoes, then pulp and seeds penetrate through the interior of a separation net plate, the seeds and the pulp are separated through the filtering function of a collecting net basket, then tomato seeds are obtained, the separation process is simple and convenient, a separation mechanism is made of a flexible material, the phenomenon of damage is prevented from being caused to the seeds in the separation process, and convenience is provided for tomato planting research.

The invention discloses a space mapping system and method combined with spatial orientation scanning and an intelligent terminal. The space mapping system comprises a space scanning subsystem, a ground locating subsystem and a control and management subsystem, wherein the space scanning subsystem comprises a scanning module and a control unit, and the scanning module is aligned at the top of a ground measured article and used for collecting aligned scanning data information at the position; the ground locating subsystem comprises a locating module and a control unit, and the locating module is locked and used for locating space position data information of a mark in the air; the control and management subsystem comprises a display module and achieves the purposes of displaying space coordinates of a collecting point at the top of the measured target article, calculating and displaying the marked position and scanning information and sharing history record and data. The space mapping system disclosed by the invention is combined with accurate three-dimensional scanning and accurate spatial orientation technologies to measure volumes of bulk storage articles, a measuring module is brought to the air, and an original measuring method is changed; thus, measuring accuracy is fundamentally improved, measuring cost is saved, and measuring time is reduced.

A multifunctional data line relates to the field of data transmission equipment, and comprises a data line body, a shell and a movable assembly. A guide groove and a sliding groove are formed in an inner cavity of the shell, and the groove bottom of the sliding groove penetrates into the inner cavity. Wire outlets are further formed in the shell. The movable assembly comprises a sliding block anda swing piece. One end of the swing piece is hinged to the inner cavity, and the other end is slidably matched with the guide groove. The swing piece is provided with first guide wheels, and a gap fora branch wire to pass through is formed between the two groups of first guide wheels. Second guide wheels are installed at the inner ends of the wire outlets, and a gap allowing branch wires to passthrough is formed between the two groups of second guide wheels. The sliding block is in sliding fit with the sliding groove and is used for driving the swing piece to slide along the guide groove, and therefore the first guide wheels can collect the branch wires into the inner cavity. The data line is convenient to carry, is capable of well protecting the data line body, prevents the winding andknotting and reduces damage to the data line body, is rich in mobile phone interfaces, is capable of achieving multi-end connection, is richer in function and is simpler to operate.

The invention provides a sponge urban ecological landscape wall with the ornamental and environmental greening functions. The sponge urban ecological landscape wall comprises water storage tanks, wallbodies and a rain collecting cylinder; a foundation is provided at the bottom of the wall main body through pouring; the water storage tanks are arranged on the upper side of the foundation; each wall bodies is fixedly arranged at the bottom of the inner side of one corresponding water storage tank; two surfaces of the bottom side of each wall body are both symmetrically provided with inner-layerwater absorption cotton; the outer side of the inner layer water absorption cotton is provided with a fixed inner steel net; the outer side of each fixed inner steel net is provided with moss planting cotton; the outer side of the moss planting cotton is provided with a fixed outer steel net; and the inner layer water absorption cotton, the fixed inner steel nets, the moss planting cotton and thefixing outer steel nets are all locked and fixed on two sides of the bottom of the wall bodies through bolts. The bottom side, provided with the water storage tanks, of the sponge urban ecological landscape wall with the ornamental and environmental greening functions is rotationally installed on the foundation through a rotating shaft seat, and rotation of the water storage tanks is facilitated,so that rotation adjustment of the wall bodies is driven, two sides of each wall bodies can be switched, and the ornamental value is effectively improved.

The invention discloses a method for returning to the position of a safety helmet and recognizing the safety helmet based on a face detection frame. The method comprises: establishing a multivariate machine learning model which is based on the center coordinate, width and height information of the face frame and is related to the same kind of position information of the safety helmet; and learningto obtain an influence coefficient of the face frame and the safety helmet according to the primary face frame information and a related learning formula, and substituting the influence coefficient and the secondary face frame information into a linear correlation equation to solve to obtain a candidate position of the safety helmet. The problem that automatic identification of the safety helmetis very difficult due to challenge problems such as shielding, small size, few data sets, small object identification, safety helmet carrier identification and the like of the safety helmet in an actual scene is solved. And meanwhile, compared with the human face, the pedestrian has large shielding and flexible changes, the detection is difficult when crowds are dense, and evidence cannot be obtained without the human face. According to the invention, face detection in a multi-face monitoring scene is realized, whether a crowd wears the safety helmet is judged, and video frames are stored as evidences to give an alarm at the same time.

The invention relates to a flower seed suction machine. The flower seed suction machine comprises a seed collection box, a vehicle body, a connection compartment, an induced draft fan, a cyclone separator, a closed-air aspirator, a suction pipe, a support, an accumulating chamber, a collection part and a power output system. The seed collection box is arranged on the rear side of the vehicle body. The front side of the vehicle body is fixedly connected with the support through the connection compartment. The induced draft fan and the closed-air aspirator are fixed to the support. The cyclone separator is fixed to the upper end of the closed-air aspirator. The lower end of the closed-air aspirator is connected with the accumulating chamber. The flower seed suction machine is good in seed suction effect and large in seed suction quantity, and work efficiency of people is improved effectively.

The invention relates to a sample data acquisition method and device, and a storage medium, and belongs to the technical field of computers. The method comprises the steps of determining whether a to-be-identified object exists in a current image identification scene or not; when the to-be-recognized object exists, collecting audio information and image data of a current image recognition scene; performing voiceprint recognition on the audio information to obtain object information corresponding to the audio information; forming a group of sample data by the image data and the corresponding object information. The problem that the sample data acquisition efficiency is relatively low when the object information of the to-be-identified object in the image data is manually shot and marked canbe solved. The whole collection process does not need manual participation, and the sample data can be gradually collected in daily life and work, so that the collection quantity of the sample data can be increased, and the collection efficiency of the sample data can be improved.

The invention discloses a filtering device for ocean sewage treatment, and relates to the technical field of ocean sewage treatment. The filtering device for sewage ocean treatment comprises a device main body, and a water inlet pipe and a water outlet pipe are fixed to the left side and the right side of the device main body respectively. According to the filtering device for sewage ocean treatment, the filtering effect of the filtering device can be improved by arranging multiple rotatable filtering plates, meanwhile, the pressure between the filtering plates and plastic foam balls is small under the rotating filtering effect of the multiple filtering plates, and the situation that the plastic foam balls are extruded to deform and penetrate through filtering holes is prevented. The plastic foam balls on the filtering plate can be stored through a Y-shaped barrier plate, and the Y-shaped barrier plate is matched with a collecting device to enable the plastic foam balls to move into the collecting device, so that the plastic foam balls on the filtering plate are automatically collected, and only the plastic foam balls in the collecting device need to be regularly cleaned, and the filtering plate does not need to be detached, so that the cleaning frequency of the filtering plate is reduced.

The invention discloses a fruit tree double helix structure three-dimensional cultivation frame. The fruit tree double helix structure three-dimensional cultivation frame comprises a main frame body, a double helix vine winding annular frame and fruit collecting mechanisms, wherein an outer clamping sleeve ring is fixedly arranged at the bottom end of the main frame body, an inner clamping sleeve ring is fixedly arranged on the inner side of the outer clamping sleeve ring, three supporting legs are fixedly arranged on the outer side of the outer clamping sleeve ring, the opposite sides of the three supporting legs are fixedly connected to the same cultivation pot, the top end of the inner clamping sleeve ring is fixedly connected to a double-main vertical frame, the outer side of the double-main vertical frame is fixedly connected to a double helix vine winding annular frame, a plurality of tension rods which are longitudinally distributed at equal intervals are fixedly arranged on the side face of the double-main vertical frame, the ends, away from the double main vertical frame, of the tension rods are fixedly connected to the double helix vine winding annular frame, and a plurality of fruit collecting mechanisms are fixedly arranged on the outer side face of the double helix vine winding annular frame. The fruit tree double helix structure three-dimensional cultivation frame is simple and reasonable in structure and novel in design and has higher vine binding capability and higher fruit collecting efficiency.

The invention provides intelligent missile-borne telemetering equipment. The equipment comprises a parameter standard module, a data processing module and a data encoding module, wherein the parameterstandard module is used for storing information about parameter judgment standard and priority; the data processing module is used for judging collected missile parameters according to the parameterjudgment standard stored in the parameter standard module; the data encoding module is used for reserving a certain number of bytes to collect the specific parameter values of fault parameters; when all parameters are normal, the parameter values is transmitted according to the parameter priority; when a fault occurs, the fault parameters are transmitted first; when byte allowance exists, the parameter values with higher priority are transmitted; and after the fault parameters return to normal, the parameters are transmitted again according to the parameter priority after the transmission of the fault parameters are maintained for a certain time. Without increasing the telemetering data transmission rate, the intelligent missile-borne telemetering equipment transmits down parameter interpretation results and the values of the fault parameters or the parameters with high priority by prejudgment. Compared with the traditional telemetering equipment, the equipment can increase the numberof parameter collection by more than twice.

The invention relates to a multi-strategy-based microblog information priority collection method. In the case of limited collection capability, by constructing a multi-strategy priority collection method, blogger information can be obtained in a timely and effective manner. First of all, the bloggers are screened by building a classification model, spam bloggers are eliminated, and the remaining bloggers are divided into three categories according to the number of microblogs and the number of fans. Second, construct different collection strategies for different categories. By clustering the posting time of the big V bloggers, the best collection time of the big V bloggers is extracted; through the microblog statistics of the bloggers, the regression model is trained and the blogger’s activity value is predicted. According to the activity value, the Bloggers sorted. Finally, a multi-strategy microblog priority collection method is designed by synthesizing the three types of collection strategies, and the timeliness of the collection strategy is maintained by regularly updating the collection queue. Experiments show that the present invention can not only acquire hot microblog information in a timely and effective manner, but also greatly increase the number of acquisitions.

The invention discloses an environmentally friendly duckweed fishing device for small river regulation. The environmentally friendly duckweed fishing device for small river regulation comprises a fishing boat, a movable rod and crushing gear supporting columns, wherein a fixing column is fixed on the surface of the left side of the fishing boat; a connecting rod penetrates through the surface of the top end of the fixing column; a limiting stopper is fixed at the top end of the connecting rod; the crushing gear supporting columns are fixed on the side walls of two ends of a fixing support plate; a drainage plate is mounted on the outer side of the top end of the fixing support plate; a storage box is arranged at the left end of the drainage plate; and a water inlet and a water outlet are separately formed in the head end and the tail end of the water outlet tube. According to the environmentally friendly duckweed fishing device for small river regulation, because the connecting rod isin threaded connection with the movable rod, a user assembles and disassembles the connecting rod and the movable rod conveniently, maintains the movable rod and a fishing net at the lower end of themovable rod conveniently, and then fishes duckweed in different regions of the river favorably, the duckweed fishing rate is increased favorably, and environmental protection is facilitated.