32results about How to "The collection result is accurate" patented technology

The present invention provides an intelligent prediction and control system and method for the fish-vegetable coexisting system. The acquisition module in the system acquires the environment data of the fish-vegetable coexisting system; the prediction control module predicts the content of dissolved oxygen in a fish pound of a period in the future and generates a control command based on the prediction result; the circulation module controls the fish-vegetable coexisting system in real time and increases oxygen according to the control command. The method comprises the following steps: while conducting circulation control on the system, acquiring the environment data; standardizing and pre-treating the environment data; based on the particle swarm optimization algorithm, optimizing the fuzzy neural network control algorithm to obtain the prediction control model of the dissolved oxygen in the fuzzy neural network; and obtaining a prediction result on the content of the dissolved oxygen in a fish pound of a period in the future so as to control the fish-vegetable coexisting system. According to the invention, the prediction and control of a fish-vegetable coexisting system can be carried out at the same time, and oxygen can be added in accordance to the requirement, so that oxygen can be added more accurately and timely. Therefore, the fish-vegetable coexisting system runs accurately and stably.

The invention discloses a tunnel cable fault inspection system and method. The tunnel cable fault inspection system comprises an automatic running inspection vehicle and a locating unit for locating the inspection vehicle, wherein a control unit in wireless connection with a main control center of a control room, a signal acquisition unit for inspecting a cable in a tunnel, an illuminating unit for providing illumination for the signal acquisition unit, and a power supply unit for providing electrical energy are fixedly arranged on the inspection vehicle; the signal output end of the signal acquisition unit is connected with the signal input end of the control unit, the power supply unit is connected with the power ends of the control unit, the signal acquisition unit and the illuminating unit respectively; the signal output end of the locating unit is connected with the control unit. The tunnel cable fault inspection system has a simple structure, can automatically and completely inspect cables without requiring a worker to enter tunnels, can timely find cables with damaged appearance and cables with opened or falling clamps, and can timely maintain the cables to ensure travelling safety. The tunnel cable fault inspection system is suitable for inspecting cables in various road and bridge tunnels.

The embodiment of the invention provides a pesticide liquid deposition parameter monitoring system and method for aviation pesticide application. The system comprises an aviation spraying device, a sensor monitoring node, data acquisition equipment, and a system management computer; a mixed solution of fluorescent tracer and the pesticide application solution is placed in the aviation spraying device, and the aviation spraying device is used for spraying the mixed solution to a target region; the sensor monitoring node is used for collecting fogdrop of the mixed solution sprayed by the aviation spraying device and acquiring a fogdrop fluorescence image according to the fluorescence emitted by the fluorescent tracer under the irradiation of the laser light source at the preset waveband, andsending the fogdrop fluorescence image to the system management computer through the data acquisition equipment; the system management computer is used for processing the fogdrop fluorescence image,and acquiring a fogdrop deposition parameter corresponding to each fogdrop fluorescence image. The system provided by the embodiment of the invention is convenient for operation, good in continuity, high in collection efficiency, precise in a collection result, strong in instantaneity, and capable of quickly acquiring and analyzing the change process of the fogdrop deposition parameter.

The invention relates to the technical field of computer visual detection processing and provides an educational toy set and a positioning hole detecting and positioning method thereof. The educational toy set comprises a support, a helmet detector and a baseplate, the support is mounted on the baseplate, the helmet detector is mounted on the support, a first groove is formed above the baseplate, the bottom of the support is provided with a protrusion which is mounted in the first groove while the top of the same is provided with a second groove and a third groove, the second groove is used for containing a tablet computer, and the helmet detector is mounted in the third groove. The educational toy set is characterized in that a positioning hole is formed in the bottom side of the side wall of the third groove and positioned on a longitudinal central axis of the side wall. The method includes: mounting the tablet computer and the helmet detector; collecting an image through a prepositive camera of the tablet computer; processing the image to acquire a position image of the positioning hole; judging whether the tablet computer is mounted accurately or not according to position of the positioning hole. The positioning hole is formed in the educational toy set, mounting accuracy and speed are improved, and higher accuracy in image collection and analysis result is realized.

The invention discloses an inertia fiber filter membrane device for grading particles. The inertia fiber filter membrane device comprises a shell and a sampling passage arranged in the shell. An air inlet and an air outlet are formed on the shell along both ends of the sampling passage; and two stages or more than two stages of collision collecting groups are sequentially arranged in the sampling passage along the airflow direction, wherein each of the collision collecting groups comprises a barrier plate; the centre of the barrier plate is provided with diversion holes in which fiber filter membranes are filled; the fiber filter membrane comprises a plurality of metal fibers wound with one another; and the sizes of the diversion holes sequentially formed on the collision collecting groups along the airflow direction as well as the diameters of the metal fibers of the fiber filter membrane filled in the diversion holes are reduced in sequence. Therefore, when airflow passes through the fiber filter membrane, fine particles collide with the metal fibers under the action of inertia to achieve the effects of filtration and collection. The device is simple in structure and convenient to assemble and disassemble, and can collect smaller particles; and moreover, particle size is accurate and a collection effect is stable due to the adoption of grading collection.

The present invention discloses a detection method for meridian detection. The method comprises a collecting module, a data statistical module, a basic pathological database and a data processing server, and is characterized in comprising the following steps that: the collecting module carries out data collection for 100 to 300 times per second on the acupoint, and keeps the data collection operation for 3 seconds; the collected data is sent to the data statistical module, and the data statistical module processes the collected data, carries out statistical summary on the processed data, and sends the summarized data to the data processing server; after receiving the information sent by the data statistical module, the data processing server acquires comparison data from the basic pathological database to make comparison with the received data, and analyzes the comparison result to obtain a meridian value; and the data processing server sends the meridian value to a diagnosis and treatment terminal and a display terminal, and the diagnosis and treatment terminal analyzes the meridian value to obtain a proposed report and pathological analysis, and transmits the proposed report and pathological analysis data to the display terminal.

The invention discloses medical devices and particular discloses an oral type cell tumor collector. The oral type cell tumor collector comprises a collector outer housing and a single valve and is characterized in that the a collector inner housing is arranged in the collector, the collector outer housing is provided with a helical cell collection groove connected to a cell collection tube, one end of the cell collection tube is connected to a collector outer tank, a collector inner tank is arranged in the collector outer groove, both ends of the collector inner groove are provided with an vent tube, the single valve is arranged in the middle portion of the vent tube, and one end of the vent tube is connected to a vent tube opening. The oral type cell tumor collector has the advantages of being simple in structure, easy to use, low in cost, capable of collecting tumor cells easily without harm to a patient, simple in examination process, capable of causing no pain to the patient in the examination process, accurate in collection result and capable of bringing great convenience to doctors and patients.

The invention discloses a gamepad for high temperature cooling. The gamepad comprises a gamepad body. The gamepad body comprises a left gamepad main body, a right gamepad main body and a function board. The gamepad is characterized in that a temperature sensor is arranged on the end face of the upper end of a handle of the left gamepad main body, a left sweat absorption band is arranged above the temperature sensor, exhaust holes are formed in the two sides of the left sweat absorption band, a humidity sensor is arranged on the upper end face of a handle of the right gamepad main body, a right sweat absorption band is arranged above the humidity sensor, air outlets are formed in the two sides of the right sweat absorption band, and a displayer is arranged on the function board. By arranging the sweat absorption bands on the left gamepad main body and the right gamepad main body, sweat on hands can be absorbed by the sweat absorption bands when a user sweats on the hands due to too high temperature when using the gamepad, cleaning is convenient, and dryness of the hands is guaranteed. By means of the exhaust holes and the air outlets on the two sides of the sweat absorption bands, temperature is lowered.

The invention discloses a portable program control wireless body sound monitoring system. The portable program control wireless body sound monitoring system comprises a body sound monitoring instrument and a master control instrument, wherein the body sound monitoring instrument is used for collecting a body sound signal and performing wireless transmission on the collected body sound signal to the master control instrument; the master control instrument is used for receiving and analyzing data information collected from the body sound monitoring instrument, and transmitting a control commandof the master control instrument to the body sound monitoring instrument; the body sound monitoring instrument comprises a body sound collecting module, a power frequency restraining module, a commonmode noise reducing module, a preposition program control differential amplifying module, a program control frequency selecting module, a program control range module, an A / D conversion module, a control module and an RF module; and the master control instrument comprises a processor, an interface unit, a memory unit, a video displaying unit, a data analyzing unit, a stimulation control unit, a video monitoring unit, a system setting unit, a spectrum analyzing and displaying unit, a journal unit and a data recording unit. According to the portable program control wireless body sound monitoringsystem disclosed by the invention, a non-invasive continuous body sound monitoring system is established, a body sound signal of a healthy adult examinee under a normal respiration state is collected.

The invention provides an efficient information collection method which comprises access scanning and news downloading, wherein after being screened, the accesses to be scheduled are placed into a queue to be downloaded; a news downloader downloads data in the queue to be downloaded, and transmits the data to a database; the result collected by the method is accurate; a large amount of noisy data in the collected information are reduced; the construction is simple; and important data are collected timely.

The invention belongs to the technical field of a wireless signal acquisition method based on a spatial relationship, and belongs to an intelligent acquisition method based on map information matchingand acquisition personnel position navigation and correction. The method comprises the steps of map manufacturing, map road network design, acquisition program design, data acquisition, acquisition personnel state analysis and acquisition correction. A detailed indoor map road network and an outdoor map road network are established, and a position estimation program is established to track the real-time position of acquisition personnel. Signals collected by the acquisition personnel in the walking process are mapped to specific positions. The acquisition personnel do not need to design a route in advance, data acquisition can be conducted at any speed and according to any walking habit after a starting point is set, the acquisition procedure is simplified, the acquisition efficiency andaccuracy are improved, and requirements of the acquisition personnel are reduced.

The embodiment of the invention provides an optical fingerprint collector which sequentially comprises an FPGA, a backlight, a sensor and an optical fiber, a filter layer is arranged on the side, close to the optical fiber, of the sensor, and the wavelength of light transmitted through the filter layer is consistent with that of the backlight. According to the optical fingerprint collector, the backlight is arranged behind the sensor and the optical fiber, the light emitted by the backlight reaches the optical fiber after passing through the sensor, the rear filter layer is arranged on the sensor, when the filter layer receives the light incident from the outside, only the light with the wavelength consistent with that of the backlight is allowed to enter the sensor, and no matter how strong the outside light is, the sensor cannot be damaged. The light of the external light reaching the sensor through the finger does not affect the normal fingerprint collection of the sensor, the optical fingerprint collector is not limited to a certain working environment, and the collection result is more accurate.

The invention relates to a measuring method, system and device based on oblique photography, and a storage medium. The method comprises the following steps of controlling an unmanned aerial vehicle tofly according to a set flying trajectory, collecting image information of a target object in a to-be-measured area by photography, performing aerotriangulation according to the image information of the target object, and building a spatial three-dimensional model; selecting a plurality of surface points of the spatial three-dimensional model according to a preset point location selection rule, and establishing a main baseline and an auxiliary baseline of the target object according to the surface points; and determining position information of the target object according to the main baselineand the auxiliary baseline. The measuring method is accurate in collecting result and relatively high in efficiency; most of field operations are transferred into a room and subjected to computer-aided processing, so that the field operation risk of an operator is eliminated, the operation cost is reduced, and the problem of difficult field collection due to the closure and privacy of the target object is solved; and the measuring method is suitable for popularization and use of large-scale high-precision measurement.

The invention discloses a device for simulating the photochemical reaction of air pollutants. The device comprises a static mixer, an internal flowing pipe and an external flowing pipe, the internal flowing pipe is fixed to the interior of the external flowing pipe, and a tubular cavity used for allowing recycled water to flow by is formed between the internal flowing pipe and the external flowingpipe; the lower part of the external flowing pipe is provided with a water inlet, the water inlet is communicated with a flow outlet of a water tank through a water inlet pipe, a water pump is arranged on the water inlet pipe, the upper part of the external flowing pipe is provided with a water outlet, and the water outlet is communicated with a reflux port of the water tank through a water outlet pipe; a plurality of ultraviolet lights are evenly arranged surrounding the external flowing pipe in the circumference direction, and the static mixer is communicated with the internal flowing pipe,the static mixer is provided with an air inlet, and the internal flowing pipe is provided with air outlet. The device can conduct real-time simulation on the photochemical reaction of the real air pollutants, has the extremely high simulation fidelity, can simulate nearly the same photochemical reaction as that of the real air pollutants, and has the advantages of being easy to operate and easy to achieve.

The invention discloses an air conditioner outdoor unit control method and device and an air conditioner. The air conditioner outdoor unit control method comprises the following steps that the first temperature of the environment where an outdoor unit in the standby state is located is obtained, the outdoor unit is controlled to operate for a first preset duration, and then the second temperature of the environment where the outdoor unit is located currently is obtained; and the real-time environment temperature from a cloud end is read according to the temperature difference range of the second temperature and the first temperature, so that operation of the outdoor unit is controlled according to the temperature difference of the real-time environment temperature from the cloud end and the second temperature. The problem of poor heat dissipation of the outdoor unit installation environment can be intelligently and accurately judged, and manual intervention is not needed in the judgment process. The problem of poor heat dissipation of the outdoor unit installation environment can be found in advance, and a user or related personnel can be notified in time, so that the purpose of finding and removing faults in advance before the air conditioner outdoor unit equipment is damaged is achieved, the air conditioner outdoor unit is effectively protected, and the user experience is greatly improved.

The invention belongs to the technical field of wireless signal collection methods based on spatial relationships, and belongs to an intelligent collection method based on map information matching and location navigation and correction of collectors. Including map making, map road network design, collection program design, data collection, status analysis of collectors, and collection correction steps. The invention establishes a detailed indoor map road network and an outdoor map road network, and establishes a position estimation program to track the real-time position of collectors. Map the signal collected by the collector during walking with a specific location. Collectors do not need to design routes in advance. After setting the starting point, they can collect data at any speed and at any walking habit, which simplifies the collection process, improves collection efficiency and accuracy, and reduces the requirements for collectors.

The invention discloses a novel information collector for market operations, and relates to the technical field of market operations. The novel information collector comprises a metering box; a control box is arranged at the front side of the metering box; a display screen and a control button are arranged on the control box; the control box is electrically connected with the metering box; a pallet is arranged on the metering box; the pallet is in transmission connection with the interior of the metering box; a tray is arranged on the pallet; a limiting cylinder with the bottom end fixedly connected with the upper side of the metering box is arranged on the circumference of the tray; and a board slot is arranged at the upper portion of the metering box. According to the novel information collector for the market operations provided by the invention, the tray and the pallet are mutually fixed through the connection of a column groove and a clamping column, so that the contact area of the pallet and the tray is reduced, the heat conduction effect is reduced, and the heat loss caused by heat conduction is reduced, so that when the tray is heated, the sample surface attached to the tray can be heated to enable the moisture to be evaporated, so that a moisture meter can be quickly heated, and data information can be obtained faster.

The invention relates to the technical field related to geology, and discloses a hydraulic ring geological soil sampling and breaking tool which comprises a base and further comprises a lifting mechanism connected to the base. The drilling mechanism is connected to the lifting mechanism; the separating mechanism is connected to the drilling mechanism; firstly, the base is clamped and fixed to the ground through the fixing mechanism, then the lifting mechanism drives the screw rod driving assembly to rotate synchronously through the gear driving assembly and drives the drilling mechanism to descend, soil is drilled through the sleeve assembly while descending, and after drilling is conducted to a preset depth, the drilling mechanism is driven to rotate by the screw rod driving assembly. The lifting mechanism drives the drilling mechanism to rise, finally, the magnetic attraction assembly is separated through the separation mechanism, the sleeve assembly is separated from the lifting mechanism, and a soil sample is attached to the limiting assembly. And the acquisition result is more accurate.

The invention discloses a game handle for high-temperature heat dissipation, including a game handle for high-temperature heat dissipation, including a handle body, and the handle body includes a left handle, a right handle and a function board. There is a temperature sensor, a left sweatband is arranged above the temperature sensor, and exhaust holes are arranged on both sides of the left sweatband, a humidity sensor is arranged on the upper end surface of the handle of the right handle, and a right sweatband is arranged above the humidity sensor, and the right sweatband has two sides. An air outlet is arranged on the side, and a display is arranged on the function board. The sweat-absorbing bands set at the left and right handles allow the user to absorb the sweat on the hands through the sweat-absorbing bands when the user sweats due to overheating during use, which is convenient for cleaning and keeps the hands dry . The temperature is lowered through the exhaust holes and ventilation holes provided on both sides of the sweatband.

The invention discloses a dual-verification railway platform door thermal sensing protection device suitable for multiple vehicle types. The device is characterized by comprising a platform door and athermal imaging execution device, wherein the thermal imaging execution device comprises a thermal imaging acquisition component and a thermal imaging background component; the thermal imaging background component provides shielding for image acquisition, avoids interference of other heat sources away from the outside of the platform and the environment, and improves imaging definition and detection recognition accuracy. The platform door is installed 1.2m away from the edge of the platform, is compatible with various vehicle types, and meets the main line high-speed station passing conditionat the same time; a thermal sensing technology is adopted, passengers are identified based on the surface temperature, different from image recognition, the detection precision is higher, and the timeliness is higher; a two-end thermal imaging correlation mode is adopted, dual verification is provided, external heat source interference is further avoided, false alarm is avoided, it is guaranteedthat no passenger or foreign matter exists within the 1.2m range, the normal operation of a railway train and the passenger safety are guaranteed, the waiting environment is improved, and the passenger waiting comfort degree is improved.

A multi-protocol adaptive data acquisition device for ship air flow field measurement, a data processing module, a data acquisition and transmission module, the data processing module includes a record generation unit, a record writing unit, a configuration management unit, a graphical display unit, Equipment status monitoring unit, COM422 processing unit, first Ethernet processing unit, second Ethernet processing unit, shared storage unit; data acquisition and transmission module includes power supply unit, network switching equipment, protocol adapter group, wherein the protocol adapter group includes COM422 protocol , Ethernet protocol. Through the cooperative work of the data processing module and the data acquisition and transmission module, the present invention solves the problems of protocol adaptation, time synchronization, high-frequency data storage and graphical display for simultaneous data acquisition by multiple sensors of various types, and simplifies the The measurement process of the ship's stern flow field measurement has the advantages of strong professionalism, accurate collection results, and efficient testing and testing.

The present invention provides an intelligent prediction and control system and method for the fish-vegetable coexisting system. The acquisition module in the system acquires the environment data of the fish-vegetable coexisting system; the prediction control module predicts the content of dissolved oxygen in a fish pound of a period in the future and generates a control command based on the prediction result; the circulation module controls the fish-vegetable coexisting system in real time and increases oxygen according to the control command. The method comprises the following steps: while conducting circulation control on the system, acquiring the environment data; standardizing and pre-treating the environment data; based on the particle swarm optimization algorithm, optimizing the fuzzy neural network control algorithm to obtain the prediction control model of the dissolved oxygen in the fuzzy neural network; and obtaining a prediction result on the content of the dissolved oxygen in a fish pound of a period in the future so as to control the fish-vegetable coexisting system. According to the invention, the prediction and control of a fish-vegetable coexisting system can be carried out at the same time, and oxygen can be added in accordance to the requirement, so that oxygen can be added more accurately and timely. Therefore, the fish-vegetable coexisting system runs accurately and stably.

An intelligent power tour-inspection terminal comprises an RFID module, a shooting module, a distance sensor, an angle sensor, a microprocessor and a communication module; the RFID module reads an RFID label of a measured object, and collects state data of the measured object according to the read RFID label information; the shooting module collects image data of the measured object; the distance sensor measures the distance, namely a first distance, between a measuring point and the measured object; the angle sensor measures an azimuth of the measured object and an inclination angle of a connecting line between the highest point of the measured object and the measuring point; the microprocessor calculates and obtains the height of the measured object according to the first distance, the inclination angle and the azimuth; and the communication module sends the state data, image data, first distance, inclination angle, azimuth and height to a background system. The invention also provides a mobile phone. Due to arrangement of the shooting module, the distance sensor and the angle sensor, image collecting and distance, angle and height measuring functions are provided additionally.

An educational toy kit, and a method of detecting and positioning an alignment hole (104). The kit comprises a support frame (1), a detector helmet (2), and a base plate (3). The support frame (1) is mounted on the base plate (3), the detector helmet (2) is mounted on the support frame (1), and a first recess (301) is provided on an upper side of the base plate (3). A lower portion of the support frame (1) is provided with a protrusion (101) mounted in the first recess (301), and an upper portion thereof is provided with a second recess (102) and a third recess (103). The second recess (102) is used to place a tablet computer, and the detector helmet (2) is mounted in the third recess. The kit further comprises: an alignment hole (104) arranged at a bottom of a side wall of the third recess (103), and located on a vertical center axis of the side wall. The method comprises the following steps: securely mounting a tablet computer and the detector helmet (2); capturing an image by means of a front camera of the tablet computer; processing the image to obtain an image position of the alignment hole (104); and determining, according to the position of the alignment hole (104), whether the tablet computer is mounted correctly. Providing the alignment hole (104) on the educational toy kit improves the mounting precision and speed, and enables more accurate image capturing and analysis.

The invention discloses a detection device for complex software. The detection device includes an arm guard. Fastening belts are arranged at an arm outlet and an arm inlet of the arm guard, air guiding holes are formed in the surface of the arm guard, and a plurality of detection patches are arranged in the arm guard. When air in the arm guard is discharged through the air guiding holes, the detection patches are pressed against the skin for detection. In the prior art, when various acupoints on the arm are detected, the gap between the arm and the detection device is often too large, so thatinaccurate detection is caused by easy translocation. The air in the arm guard is discharged through the air guiding holes to enable the arm guard to be tightly attached to the human skin, the acupoints are fixed, the gap is reduced, and the acupoints can be accurately detected.

The invention discloses a multi-angle electric arc light intensity collecting method based on a CCD camera. Arc plasma serves as a self-luminous observation object, according to the collecting method, under the condition that electric arc is not required to be rotated or a camera is not required to be moved, the reflecting mirror is used for collecting the arc light emitted by the reflecting mirror at an angle of 180 degrees, finally, a narrow-band light filter is used for selecting the light with the required wave band to enter the camera, arc narrow-band images at different angles are presented at different positions on a light sensing element of the camera, a light intensity distribution and collection of specific spectral lines at multiple angles are completed; and the relay lens performs secondary focusing on the electric arc, focusing distance of an industrial camera is shortened or prolonged to a certain extent so that the camera can be clearly imaged to the light of different optical paths under the same focal length, and the sizes of the arc images are the same. The method has the advantages that utilization rate of the light sensing element of the camera is greatly improved, good time resolution and good spatial resolution are obtained, and high cost of an existing multi-angle electric arc image acquisition system is greatly reduced.

The invention relates to a measuring method, system and device based on oblique photography, and a storage medium. The method comprises the following steps of controlling an unmanned aerial vehicle tofly according to a set flying trajectory, collecting image information of a target object in a to-be-measured area by photography, performing aerotriangulation according to the image information of the target object, and building a spatial three-dimensional model; selecting a plurality of surface points of the spatial three-dimensional model according to a preset point location selection rule, and establishing a main baseline and an auxiliary baseline of the target object according to the surface points; and determining position information of the target object according to the main baselineand the auxiliary baseline. The measuring method is accurate in collecting result and relatively high in efficiency; most of field operations are transferred into a room and subjected to computer-aided processing, so that the field operation risk of an operator is eliminated, the operation cost is reduced, and the problem of difficult field collection due to the closure and privacy of the target object is solved; and the measuring method is suitable for popularization and use of large-scale high-precision measurement.

The invention relates to an isolation-type voltage collecting circuit. The isolation-type voltage collecting circuit comprises an input voltage adjustment circuit, a voltage-pulse width transformationcircuit, a pulse transformation control circuit and a pulse width signal isolation transmitting circuit which are on the input side, and further comprises a pulse width signal isolation receiving circuit, a pulse width-voltage transformation circuit and a transformation pulse signal generation circuit which are on the isolation side. The input end of the input voltage adjustment circuit is connected with the input voltage; the input voltage adjustment circuit, the pulse transformation control circuit and the pulse width signal isolation transmitting circuit are connected to the voltage-pulsewidth transformation circuit; the transformation pulse signal generation circuit is connected to the pulse transformation control circuit; the pulse width signal isolation receiving circuit is connected with the pulse width-voltage transformation circuit; and the voltage-pulse width transformation circuit comprises a charging resistor, a charging control switch device and a capacitor which are connected in series. The collecting results are accurate, the working stability and reliability of voltage isolation collecting are high, the collecting circuit is simple, and the manufacturing cost is low.

The invention relates to a sample sampler and a sampling device; the sample sampler comprises a container body, an end cover and a driver; the container body has a collection position, and the collection position is provided with a collecting port; the end cover is detachably arranged at the collection position and is used for exposing or closing the collecting port; the driver is in drive connection with the end cover and is used for driving the end cover to expose or close the collecting port. Through the control of work of a driving motor, the end cover can be opened at the collection position to expose the collecting port, and microorganisms near the collecting port enter the container body, so that the microorganisms are collected, the operation is convenient, experimental personnel are prevented from directly touching the container body, the influence of external air flow on the microorganisms in the container body is effectively avoided, and the collection result is more accurate.