74results about How to "Cause economic loss" patented technology

The invention relates to a full-automatic loading-unloading and visual inspection device. The device comprises a combined assembly line, a first image collecting device, a first product conveying device, an overturning device, a second image collecting device, a second product conveying device, an industrial computer, an electric appliance control cabinet, a loading device and an unloading device. The full-automatic loading-unloading and visual inspection device has the beneficial effects that a manual loading-unloading manner is changed into an automatic loading-unloading manner, so that the labor intensity of workers is reduced, and the device is high in efficiency and practical and can be applied to long-term scale production; besides, a manual detection manner is changed into an online automatic detection manner, so that the quality of products with front and back surfaces can be accurately detected, the economic loss of a user caused by manual erroneous judgment can be reduced, the detection efficiency is high, and the detection is accurate and reliable, the online automatic detection is realized, and the 24-hour ceaseless working can be realized; and data can be stored in real time, and the user can analyze the product process according to the detection data, so that the economic benefit of a factory is increased.

The invention discloses a method for predicting residual service life of a flight control computer system, which comprises the steps of: storing historical reliability data of the flight control computer system by using an onboard health monitoring computer, obtaining working state data, and executing failure detection, reliability analysis and service life prediction of the flight control computer by using a fuzzy expert system. The working state data is obtained from a state sensor group. The development of the fuzzy expert system is used for modeling the reliability of the flight computer system, and the working condition of the flight control computer system is estimated according to the working state data and the fuzzy based reasoning for carrying out failure detection and predicting residual service life. The invention has the advantage of being capable of estimating the residual service life of the flight control computer system on line.

The invention discloses an automatic positioning method for a cable local discharge single end of an OWTS (Oscillating Wave Test System) detection device. The automatic positioning method comprises the following steps of: extracting a positioning parameter containing positioning information from test data saved in an OWTS local discharge detection device; enabling the positioning parameter to generate a graph of sampling points; respectively setting waveform sections corresponding to wave crests in the graph as original pulses; then searching the waveforms matched with the original pulses from the graph; calculating the time difference between the wave crests matched with the waveforms and the wave crests of the original pulse; and calculating the position of a fault according to the time difference. The invention also provides an automatic positioning system for the cable local discharge single end of the OWTS detection device. By using the technology disclosed by the invention, the fault pointing result of the cable is more intensive and scatter points are reduced, so that more accurate positioning analysis result is obtained, automatic analyzing and positioning can be carried out and costs of labor consumption and positioning are reduced.

The invention discloses a fry cultivating method for loaches. The fry cultivating method specifically comprises the steps of parent loach selection, parent loach cultivation, artificial spawning induction, artificial insemination, fertilized egg hatch, loach fry management and loach fry treatment. According to the fry cultivating method for the loaches, spawning induction is performed with multiple kinds of oxytocin, and the induced spawning rate reaches 100% by performing back muscle injection with two needles; seminal fluid and spawns of the loaches are acquired through an extrusion method, the female loach number is larger than the male loach number to enable the sperm number to be equivalent to the spawn number, hatching is monitored regularly, the fertilization rate reaches 87.4%-89.3%, and the hatching rate reaches 96.3%-97.5%; loach fries are cultured by stages after breaking out of membranes, the feed feeding amount and the culture density are strictly controlled, and the loach fry survival rate is increased and reaches 86.7%-87.8%; a pond is sterilized and disinfected with traditional Chinese medicine, the traditional Chinese medicine can be naturally decomposed and cannot be retained in loach bodies, and therefore eating is safe and healthy; parent loaches are sold immediately or prepared into dried loaches after being extruded, and therefore economic loss cannot be caused to farmers.

The invention discloses a protective sleeve for cleaning agent remote transportation. The protective sleeve comprises a base, a sleeve shell and a tank port fixed piece; the top of the base is fixed with the sleeve shell through a clamping ring; the tank port fixed piece is mounted at the top of the sleeve shell; a reinforcing layer is arranged on the inner side of the sleeve shell; a buffer cavity is formed in the inner side of the reinforcing layer; a buffer piece is arranged in the buffer cavity; an inner sleeve is arranged on one side, far from the sleeve shell, of the buffer cavity; a protecting layer 1 is arranged on the inner side of the inner sleeve; a cleaning agent loading tank is arranged on the inner side of the protecting layer 1; a bottom cushion plate is arranged at the bottom of the cleaning agent loading tank; and vibration reducing springs are uniformly distributed in the buffer cavity. Through the protecting layer 1 and a protecting layer 2 matched with each other and the vibration reducing springs arranged at the bottom of the bottom cushion plate, the protective sleeve achieves the effects of buffering, vibration reduction and deformation resistance on the cleaning agent loading tank.

The invention provides wearable equipment and a smart card system. The wearable equipment comprises an IC (Integrated Circuit) card chip, an antenna coil, a communicator and a controller, wherein at least one smart card application is stored in the IC card chip, and the IC card chip is provided with a first interface and a second interface; the antenna coil is connected with the first interface of the IC card chip; the communicator is in communication with a server; the controller is connected with the second interface of the IC card chip, and the smart card application is managed by the controller or by an external card reader by virtue of the antenna coil. By the wearable equipment provided by the invention, centralized management for a plurality of cards with different functions is realized for a user, the troubles of queuing and card selection are avoided, and the efficiency of daily life, work and travel is improved. In addition, economic losses, caused by card loss, of the user can be effectively avoided.

The invention discloses a vehicle overload detecting and recording device comprising a motor vehicle engine RFID (Radio Frequency Identification) tag, a motor vehicle load detecting device, an overload detecting and recording device and a camera, wherein the motor vehicle load detecting device comprises a single chip microcomputer, a pressure sensor and a wireless transmitter; and the overload detecting and recording device comprises an RFID tag reader-writer, a single chip microcomputer, a memorizer and a wireless receiver. A unique corresponding relation between the motor vehicle engine RFID tag and a motor vehicle engine type is established by using an RFID technology so that the automatic detecting, image shooting and recording for the overload of a motor vehicle are realized, the traditional method depending on manual detection and weighbridge weighting is changed, the labor cost is reduced, and personal factors in detection are eliminated.

Disclosed in the invention is a disconnecting link lock of a power switch cabinet. The disconnecting link lock comprises a housing and a lock shaft; and the lock shaft is pulled out from a lock shaft hole formed in the housing. The disconnecting link lock is characterized in that a displacement sensor for sensing the lock shaft displacement is arranged at the side wall of the lock shaft hole. A pin hole is formed in the lock shaft; and an elastic mandrel is arranged at an electromagnet corresponding to the pin hole. A computer key determines and controls the popping and pulling back of the elastic mandrel based on transmitted signals. With the disconnecting link lock, an accident of loaded disconnecting link operation can be prevented; and accidental power failure of a client can be avoided and thus economic losses can be prevented.

The invention relates to a spillway tunnel vent hole and tunnel top surplus amplitude combined optimization design method, and belongs to the technical field of spillway tunnel structure optimizationdesign. The method comprises the steps of based on the mass conservation and momentum conservation of water flow and air flow in the flood discharge tunnel, solving the air pressure and the air speedin the flood discharge tunnel; taking the air pressure in the tunnel top residual amplitude space as a main optimization index, obtaining a residual amplitude-air pressure curve by changing the tunneltop residual amplitude to perform multiple times of calculation, obtaining a residual amplitude-air pressure curve cluster by changing the area of a vent hole to perform multiple times of calculation, and providing a vent hole and tunnel top residual amplitude combined optimization design method based on the residual amplitude-air pressure curve cluster. According to the method, firstly, a basiscan be provided for the reasonable arrangement of the tunnel top surplus width area, namely the reasonable design of the size of the flood discharge tunnel body, the optimal matching of the vent holearea to the tunnel top surplus width space is achieved, the engineering construction cost can be greatly reduced while the negative pressure in the tunnel top surplus width space of the flood discharge tunnel is reduced, and the application and popularization are easy.

The invention discloses distribution equipment for tuna cold-chain logistics, and belongs to the technical field of cold-chain logistics transportation. The distribution equipment for tuna cold-chainlogistics comprises a distribution box, a moving mechanism and a control mechanism, wherein the distribution box comprises a main box and a pull type door which are connected slidably; a cold storagebody is built in the pull type door; a regulating mechanism is arranged in an inner cavity of the cold storage body; the telescopic moving mechanism is arranged on the bottom of the distribution box;a carrying mechanism is arranged on the upper surface and the opposite side face of an opening side of the main box; and the control mechanism is conducted to a sealing space formed by the main box and the pull type door and the moving mechanism through an air channel. The distribution equipment for tuna cold-chain logistics solves the problems that during tuna-preservation transportation, the meat quality and the appearance are affected by bumping and colliding, frozen ice is hard to take out, and incompletion in vacuum sterilization is caused; the occurrence of the phenomenon that the meat quality is affected by the temperature difference produced by mis-operating switching for ventilation is avoided; a refrigeration material is environmental-friendly and recyclable; an ordinary truck can be adopted for regional order allocation; and a single cabinet is ventilated independently, so that the distribution equipment for tuna cold-chain logistics is applicable to the requirements on transporting under different road conditions and preserving at different temperatures, and is capable of realizing the functions on quickly loading and transporting, delivering goods at any time, stably transporting, and conveniently taking out the goods.

The embodiment of the invention provides an event processing method and an automatic teller machine. The method comprises the steps that according to a card insertion operation on the automatic tellermachine, image information of an operator in front of the automatic teller machine is acquired and stored; according to the image information, whether or not a forgetting event occurs is detected; and if the forgetting event occurs, a processing operation corresponding to the type of the forgetting event is executed according to the type. When the user uses the automatic teller machine, whether or not the forgetting event occurs can be automatically judged according to the acquired image information, the corresponding processing operation can be automatically conducted according to the eventtype when the forgetting event occurs, the condition that economic loss is caused to the user due to the forgetting event is prevented, therefore, the satisfaction degree of the user is increased, andthe problem that in the prior art, when the user uses the ATM, economic loss is caused to the user when the conditions that the user forgets withdrawing money or forgets getting back a card are generated is solved to a certain extent.

The invention provides a preparation method of n-propyl propionate. The method comprises the following steps: S1, adding excessive propionic acid and n-propanol into a reactive rectification tower provided with a catalyst, and carrying out reactive rectification to obtain a heterogeneous reaction product containing n-propyl propionate and water at the top of the reactive rectification tower; S2, conveying the heterogeneous reaction product containing n-propyl propionate and water into a phase splitter, extracting the obtained water phase, refluxing a part of the obtained oil phase, and extracting the remaining part of the oil phase to obtain n-propyl propionate; and S3, extracting propionic acid from the bottom of the reactive rectification tower, returning the propionic acid to the propionic acid raw material inlet of the reactive rectification tower, and continuously reacting the propionic acid with n-propanol. The excessive propionic acid added into the reactive rectification towermakes the n-propanol completely reacted, a gas phase obtained at the tower top is condensed and undergoes phase splitting to obtain the product n-propyl propionate and a byproduct water, and the remaining propionic acid is extracted from the tower bottom, and is reused. Reduced pressure operation is adopted to effectively reduce the reaction temperature, prevent the temperature runaway phenomenonof a catalyst and make the catalyst have a good effect; and the method has the advantages of easiness in product separation, good product quality and low device investment.

The invention relates to the optical communication field, and discloses optical network equipment to solve the technical problems in the prior art that the optical network equipment fails to work if an optical module fails; the optical network equipment comprises the following structures: a first processor; a first transmission interface arranged in the first processor; a first optical module connected with the first processor through the first transmission interface, and the first processor communicates with the first optical module through the first transmission interface; a second optical module connected with the first processor. The first processor is used for controlling the second optical module to close when the first optical module is in a working state, and controlling the second optical module to work when the first optical module fails. Even partial optical module fails, the optical network equipment of the invention can keep a normal working state.

The invention discloses an anti-fouling porcelain insulator, and relates to the technical field of insulators. The anti-fouling porcelain insulator comprises an insulator main body, wherein an upper fitting is arranged on the top of the insulator main body, a lower fitting is arranged on the bottom of the insulator main body, a fixing block is arranged on the top of the upper fitting, an annular groove is formed in the top of the outer surface of the fixing block, vertical grooves are formed in the two sides of the fixing block, and a first fixing box is fixedly connected with the bottom of the lower fitting. According to the anti-fouling porcelain insulator, an insulator monomer can be well connected, installation and replacement are convenient for a worker, the burden of the worker is reduced, time is saved, the utilization rate of the insulator monomer is improved well, use of the insulator is guaranteed better, dust accumulation on an umbrella skirt of the insulator can be reduced,dust on the umbrella skirt can be removed well, an anti-fouling effect is achieved, and effects of the excessive dust on the insulator on normal use of the insulator are avoided.

The invention discloses a safe electric power disconnecting link lock of a switch cabinet. The safe electric power disconnecting link lock of the switch cabinet includes a shell and a lock shaft, the lock shaft is pulled in a lock shaft hole with which the shell is provided, and the safe electric power disconnecting link lock is characterized in that a computer key is inserted in a locking device through a connector assembly, and a magnet is inlaid on the lock shaft, a side wall of the lock shaft hole is provided with a Hall element that senses the magnet; the lock shaft is provided with a pin hole, and an electromagnet corresponding to the pin hole is provided with an elastic mandrel; and the computer key controls popup and pullback of the elastic mandrel through a signal transmitted from the Hall element. By application of the safe electric power disconnecting link lock of the switch cabinet, occurrence of an accident of on-load disconnecting link switching-off is prevented, thereby avoiding a circumstance that accidental outage of a client occurs and causes economic losses.

The invention belongs to the field of home decoration, and particularly relates to a water suction rainproof window curtain. The water suction rainproof window curtain comprises a curtain rolling box, a water suction curtain and an ordinary curtain, and is characterized in that two parallel remote sensing electronic control rotating shafts are arranged in the curtain rolling box; the rectangular water suction curtain is hung on the rotating shaft near a window, is made of bamboo fiber woven fabrics, and achieves a water suction effect; the rectangular ordinary curtain is hung on the rotating shaft far away from the window, and achieves decoration and attractive effects; and four metal heavy object blocks are sewed on the lower end of the water suction curtain, so that the windproof and drooping goals are achieved. The water suction rainproof window curtain has the beneficial effects that the structure is simple; particularly in rainy days, rainwater entering a room can be sucked, so that furniture is prevented from being moistened or damaged, and economic loss is avoided; and the double-layer curtain structure also achieves a good heat insulation effect.

The invention discloses an invoice traceability management method and an invoice traceability management platform. The method utilizes the invoice traceability management platform and invoices to achieve management, wherein the invoice traceability management platform and the invoices are manufactured in a unified mode under the supervision of a tax department. Storage chips are arranged on the invoices. The invoice traceability management platform comprises an information management center arranged in the tax department. The information management center is connected with an invoice generating device and an invoice reset device which are arranged in the tax department, and connected with a radio frequency read-write device arranged in a shop and a read-only device arranged in the financial department of each enterprise. The invoice traceability management method and the invoice traceability management platform can monitor the whole process of invoice using, and crack down the behavior of tax evasion. The invoice traceability management method and the invoice traceability management platform have an encipherment function and an authority management function, bring convenience for a tax administration department and an audit department to monitor and manage the whole process of an economic trade, and can conveniently and rapidly find all relative information during economic relations. In addition, the invoice traceability management method and the invoice traceability management platform have a traceability function and the storage chips are arranged on the invoice, so that the invoice traceability management method and the invoice traceability management platform can record multiple pieces of trade information to achieve reuse, a paper invoice is not needed to be printed, printing cost is greatly lowered and waste of resources is reduced.

The invention discloses a silencing pad of an automobile front cover. The silencing pad comprises an aluminum foil layer, wherein a PVC layer is arranged on the lower surface of the aluminum foil layer; a composite-material layer is arranged on the lower surface of the PVC layer; the composite-material layer comprises a PET layer and a PP cotton layer; a polyester cotton layer is arranged on the lower surface of the composite-material layer; a pair of heat dissipating strips is arranged on the PVC layer, the composite-material layer and the polyester cotton layer, and traverses the PVC layer, the composite-material layer and the polyester cotton layer. The silencing pad disclosed by the invention has a good noise-proof function, and can furthest lower the noise generated by an engine, so that the silencing pad can provide a good and comfortable riding and driving environment.

Disclosed in the invention is an automatic-limiting disconnecting link lock of a switch cabinet. The lock comprises a housing and a lock shaft; and the lock shaft is drawn and pulled in a lock shaft hole formed in the housing. The lock is characterized in that a hoodle is arranged at the lock shaft; and two holes matching the hoodle are formed in the housing. A magnet is embedded into the lock shaft; and hall elements sensing the magnet are arranged at the side wall of the lock shaft hole. Pin holes are formed in the lock shaft; and an elastic mandrel is arranged an electromagnet corresponding to the pin holes. A computer key controls the popping and pulling back of the elastic mandrel based on signals transmitted by the hall elements. With the lock, an accident of loaded disconnecting link pulling can be prevented; and thus accidental power failure of the client can be avoided and the economic loss can be prevented.

The invention discloses an automatic grabbing palletizing robot for an assembly line. The automatic grabbing palletizing robot for the assembly line comprises an upper computer, a base, a console, a connecting frame, an arm actuator, a forearm connection rod, a big arm connection rod and a goods claw. The console comprises a rotating platform, a transmission column, a motor box, an embedded type control panel, an RFID reader-writer and a shell. The goods claw comprises a claw actuator, a pressure reducer, an RFID reader-writer additional antenna, two claw arms and a clamp plate. By means of the different magnetic field ranges of the antenna of the RFID reader-writer and the RFID reader-writer additional antenna, the goods are located roughly first of all and then accurately located, and the embedded type control panel is controlled to move the goods claw to the position of the goods through the motor box and the arm actuator to grab the goods; according to the shelf position information provided by the upper computer, the goods is moved to a corresponding shelf position. The automatic grabbing palletizing robot for the assembly line improves the goods identification efficiency of the device body and the accurate judgment efficiency of the area position, effectively lightens the workload of work personnel and is easy to install and low in price.

The invention discloses a circulating water flow leech culture pond, and relates to the technical field of leech culture. The circulating water flow leech culture pond comprises a foundation, a squaregroove is formed in the upper wall surface of the foundation, the square groove is in a rectangular groove shape, and a culture pond is arranged in the square groove. According to the circulating water flow leech culture pond, when an external water source is continuously conveyed into the culture pond through a circulating flow guide pipe, a water source in the culture pond can be discharged through a water discharging pipe below the interior of the culture pond, in high-temperature weather, after the low-temperature water source is continuously conveyed into the culture pond through the circulating flow guide pipe, the water discharging pipe can be opened and discharge the high-temperature water source in the culture pond under the starting of external collection equipment, and at the moment, the water source in the culture pond can be replaced and neutralized, so that after the high-temperature water source in the culture pond is replaced by the low-temperature water source, the temperature of the water source in the culture pond can be continuously kept low in the high-temperature weather, and the effects of reducing the occurrence rate of high-temperature diseases of leechesand improving the survival rate of the leeches are achieved.

The invention discloses a fire box with a smoke inductor. The fire box comprises a box body, a water delivery tube, supporting plates, a fire axe, a fire extinguisher, the smoke inductor and a box door, wherein the supporting plates and pin holes in the supporting plates are arranged on four corners of the box body; an isolating plate and a bracket arranged on the top of the isolating plate are arranged in the box body; the water delivery tube and a connecting hub at one end of the water delivery tube are arranged on the bracket; a water delivery center and a control button arranged on the water delivery center are arranged at one side of the bracket; a connecting tube is arranged between the water delivery center and the water delivery tube; one end of the water delivery center is fixedly connected with the connecting tube; and the water delivery tube and the connecting tube are connected by virtue of the connecting hub. The fire box with the smoke inductor is high in emergency speed, strong in intelligent property and high in safety, so that fire-fighting possibility is greatly improved.

The invention provides a flaw detection device for surface of a circular projectile body. The flaw detection device comprises a rail mechanism, a walking mechanism and a detection mechanism, wherein the walking mechanism is a carrier of the detection mechanism and is used for assisting the detection mechanism to complete detection; the rail mechanism is used for providing the running track of thewhole device, and the walking mechanism is moved along the fixed track, so as to complete the surface flaw detection task with multiple degrees of freedom and all-bearing complete coverage. The flaw detection device for the surface of the circular projectile body has the advantages that under the driving of a motor and the cooperation by the devices, the multi-degree-of-freedom and all-bearing flaw detection can be realized on the surface of the circular projectile body; and the high-efficiency and high-accuracy detection can be performed on the surface of the circular projectile body with a large diameter.

The invention relates to the technical field of oil pumping units, and discloses a steel rope oil pumping unit for oil exploitation. The steel rope oil pumping unit comprises a supporting seat and a base, wherein a fixing frame is fixedly arranged on the top surface of the supporting seat, a bearing is fixedly arranged in the middle of the fixing frame, the surface of the bearing is movably connected with a cross beam, a horse head is fixedly arranged on the right side surface of the cross beam, and a fixing sleeve is fixedly arranged at the right end of the cross beam. According to the steel rope oil pumping unit for oil exploitation, when the bearing is damaged, the cross beam can collapse downwards, then a switch of a first motor can be touched, then the first motor drives a second gear to rotate, a first threaded rod is driven to rotate through the meshing of the second gear and a first gear, the rotation of the first threaded rod can drive a limiting plate to move upwards to the top end of a first fixing rod, a sliding rod is limited, the sliding rod is prevented from moving downwards, at the moment, the first fixing rod and the sliding rod support the right end of the cross beam, the horse head is prevented from moving downwards and turning over, economic loss is avoided, and the safety of the device is improved.

The present invention discloses an enterprise information service system based on a network. The system comprises a user client, a network system safety unit and an enterprise client. Information of auser is uploaded and transferred through a network system safety unit between the user client and the enterprise client, when the user of the enterprise logs in the personal information, secret keysare generated through an encryption module, the encrypted personal information is stored in an information storage module, when the enterprise requires to extract the information of the user, the secret keys are input to complete decryption so as to improve the safety and the confidentiality of client information, prevent the user from being harassed, avoid the wastage rate of the enterprise usersand avoid the economic losses of the enterprise caused by loss of the users; and besides, in the system, a network system safety unit is arranged to improve the network environment of the user information in the transmission process and avoid the normal work of the whole system influenced by viruses or loopholes.

The invention discloses a window used for detecting indoor toxic-harmful gas and capable of performing automatic ventilation. The window used for detecting the indoor toxic-harmful gas and capable ofperforming automatic ventilation comprises a working box. A glass installation cavity is formed in the working box in a penetrating front and back mode, fixed glass is fixedly arranged in the glass installation cavity, left-right symmetrical working sliding grooves located on the rear side of the fixed glass are formed in the left inner wall and the right inner wall of the glass installation cavity, power mechanisms are arranged on the bottom walls of insides of the working sliding grooves, a rainwater judging mechanism is arranged on the end surface of the front side of the working box, and agas detector is fixedly arranged on the end surface of the rear side of the working box. According to the window used for detecting the indoor toxic-harmful gas and capable of performing automatic ventilation, real-time monitoring of indoor formaldehyde and other toxic and harmful gas is achieved, and it is guaranteed that the room can be ventilated in time when abnormal air is detected, when raining exists outside, the window is automatically closed according to the raining condition, and it is guaranteed that indoor economic loss due to bad outside weather is not caused.

The invention discloses a method for collecting and releasing lightning rod in hurricane weather by using lightning arrester, wherein the lightning arrester comprises a lightning arrester, A lightningprotection cavity is arrange in that external end wall of the lightning arrester, The lightning protection cavity is provided with a lightning protection device, the lightning protection device further comprises a lightning rod rotatably arranged in the lightning protection cavity, and a discharge mechanism is arranged in the lightning protection device, the discharge mechanism comprises a discharge cavity and a discharge needle arranged in the lightning rod, the discharge needle is rotatably arranged in the discharge cavity; The mechanical design of the equipment is reasonable and ingenious,Easy to install, maintain and overhaul, At that same time, in hurricane weather, The lightning rod is automatically withdrawn from the equipment to avoid damage to the lightning arresters caused by high winds, resulting in economic losses; meanwhile, it is convenient for the follow-up staff to upgrade the lightning arresters, maintain and prolong the effective service life of the equipment; furthermore, the equipment has a high degree of automation in the use process, and has a higher use and promotion value.

The invention discloses a soil humidity supervision seedling raising tray which comprises a machine body; as shown in Figure 5, eight seedling raising cavities are formed in the machine body at equal intervals along the circumference; a machine box is fixedly arranged in the machine body and located in the center of the eight seedling raising cavities; an upper cavity and a lower cavity are formed in the machine body; and a detection disc is fixedly arranged on the lower side wall of the lower cavity of the machine body, so that the soil humidity of each seedling can be detected when the seedling raising tray is integrally supplemented with water in each turn, and the detected seedlings with relatively dry soil due to growth difference can be automatically and independently supplemented with water. Therefore, the situation that the overall soil humidity meets the growth requirement is guaranteed, seedling development is guaranteed, and economic losses caused by poor seedling growth when high-cost experimental seedlings are cultivated are avoided.