3245results about How to "Fix damage" patented technology

The invention discloses a method for controlling an application to be used and an intelligent terminal. The method comprises the following steps that a limited use time range of the application is set; when the application is started, firstly whether the current time is in the limited use time range of the application or not is judged, if the current time is in the limited use time range of the application, the application is forbidden to be started, and if the current time is not in the limited use time range of the application, the application is normally started; after the application is normally started, a system obtains the current time in real time, whether the current time reaches the limited use time range of the application or not is judged, and if the current time reaches the limited use time range of the application, the application is forced to be shut down. According to the method, it is effectively ensured that the application cannot run for a long time in an unlimited mode, a user is prevented from being addicted to using the intelligent terminal like a mobile phone for a long time, and the problem of the damage, caused when the user uses the intelligent terminal for a long time, to the health of the user can be solved. The intelligent terminal is suitable for all kinds of people, and particularly suitable for the user with the poor self-control ability.

The invention relates to a preparation method of a water-based polyurethane / nano-silicon dioxide composite emulsion, which comprises the following steps: uniformly mixing and stirring ethyl orthosilicate, absolute ethyl alcohol and octadecyl trimethyl ammonium chloride for reacting to obtain nano-silicon dioxide sol; heating polyglycol, and then, adding diisocyanate and dibutyltin dilaurate for reacting to form polyurethane prepolymer; adding a hydrophilic chain extender and a cross-linking agent into the polyurethane prepolymer for carrying out chain extending reaction, adding organic base for regulating the pH value to be 7.0-8.0, and then, adding deionized water to obtain 30% of water-based polyurethane emulsion; and mixing the nano-silicon dioxide sol and the water-based polyurethane emulsion in a water bath, and carrying out ultrasonic treatment to obtain the water-based polyurethane / nano-silicon dioxide composite emulsion. Harmful solvents and emulsifying agents do not need to be added in the preparation process of the invention, thereby solving the problems of polluting environment and injuring operators.

The invention relates to a method for testing electrochemical corrosion of a welded pipe seam in a high-stress state, which utilizes an electronic universal testing machine, an electrolytic cell component comprising a working electrode, an auxiliary electrode, a reference electrode, a salt bridge and the like, and an electrochemical workstation. Under a load stress of between 0 and 800 MPa, the stress change caused by stress relaxation is corrected regularly by a constant potential method or a constant current method to test the circumferential tensile stress of the welded pipe seam and the circumferential tensile stress of the working electrode. A tensile sample is wide and thick at both ends and narrow and thin in the middle part and is provided with connection holes at both ends. A groove corrosion depth d1 and an average corrosion depth d2 of the working electrode are tested under different loads, so a groove corrosion susceptibility coefficient alpha, alpha=d1 / d2, of the working electrode in practical application can be obtained. The method has no stress relaxation, and the stress is convenient to regulate during test; the sample is free from generating plastic deformation or detachment under the load of high stress, and can be used for corrosion test under the condition of high stress; and the electrochemical workstation can be made full use for testing.

The embodiment of the invention provides an oil return control method and device of a variable frequency air conditioner compressor, and relates to the technical field of variable frequency air conditioners. The oil return control method and device are used for solving the problem that when a fixed oil return frequency is adopted for carrying out oil return control over the variable frequency air conditioner compressor, the compressor is damaged. The method comprises the steps that a first running frequency of the compressor is acquired; the temperature of the outdoor temperature where the compressor is located is acquired; the oil return frequency of the compressor is determined according to the temperature of the outdoor temperature and a first preset rule, wherein the first preset rule comprises the corresponding relationship between the temperature of the outdoor environment and the oil return frequency of the compressor; and the first running frequency of the compressor is adjusted to be the oil return frequency. The oil return control method and device can be used for oil return control over the variable frequency air conditioners.

The invention discloses sulphoaluminate maritime work cement and a preparation method thereof. The sulphoaluminate maritime work cement comprises the following main raw materials in parts by weight: 50-80 parts of cement clinker, 8.0-20 parts of anhydrite, 0-30 parts of limestone, 0-30 parts of slag, 0.1-0.5 part of water reducing agent, 0.001-0.005 part of air entraining agent, 0.1-0.5 part of retarder and 2-5 parts of silicon powder. The preparation method comprises the following steps of: respectively smashing, grinding and homogenizing the sulphoaluminate cement clinker, the anhydrite, the limestone and the slag; then, burdening at a ratio, and evenly mixing; adding the water reducing agent, the air entraining agent, the retarder and the silicon powder; and mixing and homogenizing to obtain the product. The concrete mixed by the sulphoaluminate maritime work cement has the advantages of small bleeding rate and high slurry viscidity. The slurry has strong covering and supporting action on aggregate. The concrete keeps good homogeneity and has the advantages of hard and quick early strength, continuously-increased later strength, good slurry structure compactness and high volume stability and is convenient to use and operate for constructing.

The invention discloses an anti-electrostatic degradable film material and a preparation method thereof. The film material is prepared from the following raw materials: LDPE, LLDPE, starch-based degradable plastic materials and anti-electrostatic master batch. The preparation method comprises the following steps: uniformly mixing the raw materials at a high speed; and obtaining a product by extruding, swelling and stretching. The anti-electrostatic degradable film material has good anti-electrostatic effect, is degradable and does not pollute the environment; and the preparation method of the anti-electrostatic degradable film material has simple process and low cost and can prepare finished products with good quality.

The invention discloses a vibration disturbance resistant crack leaking stoppage and reinforcement method applied to underground works. The method comprises the steps as follows: the surface of a crack is cleaned, and holes are drilled with a drilling tool crosswise along two sides of the crack and purged and washed clean; grouting nipples are mounted in the drilled holes and screwed tightly, epoxy resin grout is poured into the grouting nipples, and pouring is repeated several times for grout supplement and is stopped until the pouring pressure change is gentle; the exposed grouting nipples are removed when the fact that epoxy resin is completely cured is confirmed after pouring, and the overflow cured grout is cleaned; a V-shaped groove is opened along the crack and is cleaned, coated with an interfacial agent and filled with a sealing adhesive, surfaces of two sides of the crack are cleaned, and then an acrylic acid resin elastic coating is painted. With the adoption of the processing manner, damage to a waterproof layer due to drilling can be restored, the problems of water channeling and damage to the waterproof layer can also be effectively solved, and the problem of crack leakage is effectively solved.

A control unit of elevator for preventing the generation of damage events and its method are disclosed. When such conditions as too large error of floor alignment, moving cage without closing the floor gate of elevator well, or opening the floor gate of elevator well where the cage is not positioned occurs, the state of elevator is changed from 'normal running' to 'stop' and the elevator can be only manipulated in manitenance mode. After the failure is dissolved and the restoration operation is performed, the elevator can be normally running.

The invention relates to a device for installing carton handles, and the device provided by the invention comprises a frame part, a carton conveying part, a reinforcing belt installation part, a handle belt installation part and a control part, wherein the frame part is a frame mechanism formed by connecting two side plates with a beam, a pressing plate mechanism is sectionally arranged above the frame, and the elastic pressing plate of the pressing plate mechanism presses a moving carton; the carton conveying part is composed of a paper feed mechanism, a quick holding mechanism and a conveying mechanism; the reinforcing belt installation part comprises a reinforcing belt conveying mechanism, a reinforcing belt cutting mechanism, a reinforcing belt heat-sealing mechanism and a punching mechanism; and the handle belt installation part comprises a handle belt conveying mechanism, a handle belt cutting mechanism, a handle belt clamping mechanism, a handle belt piercing mechanism, a handle belt dispatching mechanism and a handle belt heat-sealing mechanism. Compared with the existing manual installation mode, the device disclosed by the invention has the characteristics that the carton handles can be installed quickly and safely, and through replacing the traditional manual operation with mechanized and automated operation, the purposes of saving manpower and material resources, improving the efficiency and reducing the cost are achieved.

The invention discloses a large-scale computer fixing seat with a shock absorbing function, which comprises a load bearing plate. Both sides of the top of the load bearing plate are provided with slide grooves, and both sides of the bottom of the load bearing plate are fixedly connected with shock absorbing devices. Both sides are fixedly connected with a first telescopic rod, the top of the first telescopic rod is fixedly connected with a fixed plate, and the middle of the bottom of the fixed plate is fixedly connected with a double rack, and the bottom of the double rack runs through the load-bearing plate and extends to the bottom of the load-bearing plate , The present invention relates to the field of computer technology. The large-scale computer fixing seat with shock-absorbing function solves the problem that the current large-scale computer has a poor shock-absorbing effect and is easy to cause damage to the computer during the moving process, prolongs the service life of the computer, and ensures the normal operation of the computer. operation, to avoid causing huge economic losses to people, the computer is not easy to be damaged, and the maintenance times are reduced.

The invention belongs to the technical field of air conditioner control, and provides an air conditioner and a detection control method and device for the abnormal coolant circulation of the air conditioner. The method comprises the steps of in the operation process of the air conditioner, obtaining corresponding rated input power from a preset correlated database according to outdoor environment temperature, indoor environment temperature, operation frequency of a compressor and the opening degree of an expansion valve, judging that the coolant circulation is abnormal when the difference between the current air conditioner input power and the rated input power is larger than a power difference reference value, recording the abnormal times, and restarting the compressor to drive the coolant circulation to restore normal after the compressor is stopped for certain time if the abnormal times do not achieve the preset continuous abnormal times; if the normal times achieve the preset continuous abnormal times, showing that the coolant circulation cannot be restored normal, controlling the air conditioner to be stopped to avoid the damage of the compressor, and sending an abnormal prompt to notify a user, thus solving the problem that the air conditioner compressor is damaged due to the fact that the expansion valve of an air conditioner outdoor unit is blocked by a coolant.

The invention discloses a reverse circulation aerodynamic cavitation method for a coalbed methane well and equipment. The reverse circulation aerodynamic cavitation method comprises the following steps of: arranging wellhead equipment on a wellhead and sinking a working pipe to a bottom hole; clearly eliminating rock coal dust and water inside the well by using an air compressor in a circulating way; then lifting the working pipe upwards and injecting air / foam by using the air compressor and a supercharger, wherein the air injecting pressure is 3-15 MPa; meanwhile continuously injecting atomized water into the well with the water injecting amount of 3.0-5.0 m<3> each time; opening a hydraulic flat plate gate valve for discharging; after discharging, sinking the working pipe to a coalbed part; injecting the air simultaneously by the air compressor and the supercharger; meanwhile injecting water / foam with the amount of 3.0-10.0 m<3> by using an injection pump for washing the well to thebottom hole; after completing one cycle of discharging and well washing, detecting initial data; closing the air compressor, the supercharger, the injection pump and the hydraulic flat plate gate valve to enable gas inside the well to return freely; measuring the change of gas output of coalbed gas in one hour by using a flow meter; and placing a torch at a discharge port to ignite the gas. The invention improves the construction safety, improves the yield of single well coalbed gas, and saves the construction cost.

The invention discloses a system and a method for reducing a heating value in mobile terminal charging. The method includes the steps that A, a clock management module sends temperature detection signals every other cycle, and a central processing unit (CPU) carries out temperature detection according to the temperature detection signals; B, an obtained temperature value is compared with an over-temperature threshold value of a battery and a power management chip in a memorizer by the CPU, and if the temperature value exceeds the over-temperature threshold value, charging currents are reduced; and C, the CPU detects the temperature of the battery and the power management chip after a cycle interval through a microprocessor, and if the temperature exceeds the over-temperature threshold value, the power management chip is controlled through the microprocessor to close a charging function. According to the system and the method, the heating value of a mobile phone in the charging process can be reduced, if the heating value of the mobile phone reaches the threshold value, the current value of constant current charging is halved, and if the temperature is not reduced below a prewarning value yet, the charging function is closed. Until the temperature of the mobile phone returns to be in a normal temperature, the charging function is opened again. According to the system and the method, not only is the temperature of the mobile phone in the charging process is reduced, but also safety of the mobile phone in the charging process is further improved.

The invention discloses a built-in laser cladding nozzle. A powder channel, a cooling water way and a shielding gas channel are arranged in the wall of the tapered drum; the outlets of the power channel are distributed uniformly on the bottom circle of the tapered drum, and the other outlets and inlets are arranged uniformly on the upper circle of the tapered drum; the included angle Alpha between the axis of the powder and the axis of the nozzle center is in a range of between 30 degree and 70 degree; a cooling water ring connected with the cooling water way is arranged in the bottom wall of the tapered drum; and the horizontal shielding gas screen for protecting the condensing lens system consists of an air inlet, a connection channel, an air box, exhaust holes, and an air outlet. The nozzle can be used as not only side axial powder-feeding nozzle, but also coaxial powder-feeding nozzle.

The invention provides a power distribution unit which is time-sharing charge and belongs to the industry control technique field. The structure thereof comprises a power supply plug row, a logic control unit, an input terminal connector and an AC-DC converting circuit; the input terminal connector is connected with the power supply, and provides the power distribution device with full power, the power supply plug row is connected with the logic control unit through a signal winding displacement, the AC-DC converting circuit can convert 220V voltage AC to 5V TTL voltage DC in switching power supply way which can be supplied for the logic control unit, the device adopts a single-chip as a delay output logic controller, and collects the delay setting on the control panel, thus reaching the effect of respectively controlling the switch circuit of each plug and executing accurate time-sharing charge thereof. The device also can measure and display the total load current and provide overcurrent protection. The invention can solve the problem that the instant current which is caused by multi-load in industrial application charged simultaneously is too big so as to bring device damage and electric fence fluctuation, thereby improving the reliability and security of the device.

The invention discloses an aluminum alloy anode oxide film and surface paint film compound layer laser cleaning device and method. The device comprises a laser cleaning device, a smoke purifier and adeflectable cleaning platform; the cleaning platform is used for clamping and positioning aluminum alloy workpieces to be cleaned; the laser cleaning device comprises a laser cleaner main machine anda manipulator; the laser cleaner main machine comprises a laser emitter and a laser cleaning head; the laser cleaning head is fixed at the tail end of an arm of the manipulator; the cleaning platformis positioned in a light outlet direction of the laser cleaning head; a scanning galvanometer is arranged in the laser cleaning head; a smoke sucking pipe of the smoke purifier is fixed on the laser cleaning head; laser generated by the laser emitter is radiated to the surfaces of areas to be cleaned of the aluminum alloy workpieces on the cleaning platform after being acted by the scanning galvanometer in the laser cleaning head, so that the areas to be cleaned of the workpieces are dynamically scanned in a selected range; and such particle pollutants as dust generated in the cleaning processof the smoke purifier are treated through the smoke purifier to prevent the personal or environmental pollution.

The invention relates to a humidifier for fuel cells and a fuel cell stack with the humidifier. The humidifier is formed by overlaying multiple humidifying units and humidifying membrane assemblies; each humidifying unit is formed by successively overlaying a dry panel, one humidifying membrane assembly and a wet panel, and one humidifying membrane assembly is arranged between two humidifying units in a clamping manner; each humidifying membrane assembly, each dry panel and each wet panel all are provided with three inlets and three outlets, and each dry panel and each wet panel both are provided with an air branch inlet and an air branch outlet; and the fuel cell comprises successively connected front-end plate, humidifier, rear-end plate, cell stack and bottom plate, and the front-end plate, the rear-end plate and the cell stack are all provided with three inlets and three outlets, wherein the three inlets and the three outlets comprise a master hydrogen inlet, a master air inlet, a master water inlet, a master hydrogen outlet, a master air outlet and a master water outlet. Compared with the prior art, the humidifier for fuel cells has the advantages of being capable of effectively humidifying air, improving service life, simplifying installation program, improving efficiency, reducing cost and the like.

The present invention provides an adjustable inflate and deflate air pump consisting of: a pump frame, a pump body, a motor, blades, an air input hole, an air output hole, and a valve. A pump compartment of the present invention consists of an air compartment and a motor compartment. The air compartment is built up by the pump protective shield and the motor protective shield. The air compartment is connected to the air input hole. The motor compartment is built up by the motor protective shield and is connected with the air output hole at its bottom. On the upper part of the pump is a swing knob which is connected to the pump body. On the lower part of the pump is a curved surface. During its working process, the motor is cooled by constant airflows through the motor compartment during both inflation and deflation. Thus, the difficult problem of the motor overheating and being damaged during inflation and deflation has been solved perfectly. It is therefore a new pump with promising prospects.

The invention relates to a high-power, high-frequency and high-voltage rectifier transformer, which comprises a core, a plurality of low-voltage windings, a plurality of high-voltage windings, a plurality of rectifier bridges and a transformer oil tank. The core adopts a rectangular ultra-crystalline transformer core, the low-voltage windings are divided into two groups by wide copper foil and are wound on two low-voltage skeletons on the long side column of the core along the same direction, half of the high-voltage windings are sequentially wound on one high-voltage coil skeleton, the otherhalf of the high-voltage windings are sequentially wound on another one high-voltage coil skeleton, the two high-voltage coil skeletons are respectively sleeved on the two low-voltage windings, and the high-voltage windings are respectively connected with the input ends of the matching rectifier bridges. The problem of damage to a high-frequency power supply switch, caused by reflection of distributed capacitance of the secondary winding of the transformer, can be solved, the working frequency can reach 10-50kHz, the rated voltage of direct-current output is 72kv, and the rated output power is no lower than 100kW. The temperature rise in full-load continuous operation is less than 40 DEG C. Therefore, the high-power, high-frequency and high-voltage rectifier transformer is an ideal booster device for a high-voltage power supply of a large electrostatic precipitator.

The invention discloses supramolecular polymer clean fracturing fluid resistant to high temperature of 170 DEG C. The fracturing fluid is prepared from the following components in percentage by weight: 0.2 to 0.5 percent of thickening agent for the clean fracturing fluid, 0.1 to 0.5 percent of viscosity synergist, 0.2 to 0.4 percent of structural intensifier, 0.05 to 0.2 percent of deoxidant, 0.1 to 0.3 percent of metal ion chelating agent, 1 to 2 percent of clay stabilizer and the balance of fresh water. According to the clean fracturing fluid, a reversible supramolecular network structure is formed through the intermolecular interaction, and the thickening agent is low in use concentration and can be used for effectively controlling the viscosity of a base solution of the fracturing fluid and improving the pumping performance of the fluid; viscoelastic sand-carrying of the fracturing fluid is realized by low viscosity and high viscoelasticity; the temperature resistance can reach 170 DEG C under a long-term shear condition; the shear resistance is excellent, and the fluid viscosity and the structure after high shear can be effectively recovered; the construction friction is low, and the equipment load and the fracturing construction risk are reduced; the residue content is low, so that the damages to a reservoir stratum and prop fractures are greatly reduced, and the fracturing stimulation effect is greatly improved.

The invention discloses a substrate mould for a microfluidic chip and a manufacturing method thereof. The method comprises the following steps of: covering photoresist on a substrate; performing exposure and development on the photoresist; performing chemical plating on the substrate; and removing the photoresist. Patterns on the substrate mould can be prevented from being damaged in the process of manufacturing the substrate mould by the method.

The invention provides an internal descaling and external defrosting novel air conditioner applying ultrasonic oscillators. The internal descaling and external defrosting novel air conditioner comprises an outdoor unit and an indoor unit. The outdoor unit and the indoor unit are connected through a pipeline. The indoor unit comprises the indoor ultrasonic oscillators and an indoor heat exchanger, wherein the indoor ultrasonic oscillators are located around the indoor heat exchanger. The indoor heat exchanger is a shell and tube heat exchanger and comprises fins, U-shaped pipes, an air inlet pipe, process reinforcement tubes, a liquid outlet pipe and bridging elbows. Each U-shaped pipe comprises two free ends extending in the same direction in parallel, and a bent part located between the two free ends, wherein the free ends are inserted in the corresponding fins. Ports of the free ends of every two adjacent U-shaped pipes are connected through the corresponding bridging elbow. The outdoor unit comprises a capillary tube, a compressor, an outdoor heat exchanger, the outdoor ultrasonic oscillators, a four-way valve, air-liquid separators, a filter and a check valve, wherein the outdoor ultrasonic oscillators are located around the outdoor heat exchanger. By means of the internal descaling and external defrosting novel air conditioner, ultrasonic non-stop on-line internal descaling and external defrosting can be achieved, the stable running environment of the air conditioner is ensured, and the service life is prolonged.

The invention discloses a logistics order analysis and prediction system based on Internet of Things trade, and solves the problems that an existing logistics company is insufficient in order evaluation, so that manpower is insufficient, transportation is affected, and a user finds that a package corresponding to an order is damaged and lost only when not receiving an express for a long time. Thesystem comprises a data acquisition module, a server, an order analysis module, an order prediction module, an order monitoring module, an anomaly analysis module and an order early warning module. According to the invention, order purchase value calculation is carried out on shopping cart commodities added by a user through the order analysis module, and the total amount of orders can be estimated in advance by analyzing the shopping cart commodities of the user. Logistics information of delivered orders is collected through the order monitoring module, an order time exception instruction, anorder timeout exception instruction and an order weight exception instruction are obtained, order exception information is sent to users and merchants, and the users can know dynamic information of the orders and parcels in time.

The invention discloses a high-power optical fiber laser. The laser structurally comprises a residual light collector, a red light / signal light beam combiner, a red light laser, a reverse cladding light mode stripper, a forward pumping pump source module, a forward pumping / signal beam combiner, a high-reflection grating, doped optical fiber, a low-reflection output grating, a reverse pumping / signal beam combiner, a reverse pumping pump source module, a forward cladding light stripper, and output optical fiber with an antireflection film end cap. Based on a linear fabry-perot resonance cavity structure, the forward pumping pump source module and the reverse pumping pump source module, with different wavelengths, provided with narrow-band protection filters are adopted, the forward pumping / signal beam combiner and the reverse pumping / signal beam combiner pump doped optical fiber from the front end and the back end of the doped optical fiber through the high-reflection grating and the low-reflection output grating at the same time, so that multi-kilowatt-class power stable output of the optical fiber laser is achieved, and mutual damage of residual pumping light on two sides to a pumpsource chip is avoided.

The invention relates to a mounting device for an overhead line or a cable, in particular to a remote control based network-distribution conduction device for live working. The structural feature of the network-distribution conduction device comprises a pair of clamping devices, a high-voltage insulation connection wire and a remote control unit. The clamping devices in the conduction device is remotely controlled by a remote control unit so as to clamp and loosen, the operation program of an operator is simplified, a series of inconvenient and unsafe problems brought due to the local operation of the operator are avoided, and meanwhile, the operation reliability problem brought by remote distance manual operation is avoided; the work pressure of the operator is reduced, and the safe production is guaranteed; and moreover, as a speed-down motor is adopted, a balanced clamping action force is exerted to a guide line, so that the problems that the guide line is damaged due to the facts that the force exerted by manual work is uneven, and the direction is deviated, are avoided; and the radian symmetry structure of a movable jaw and a bridge-shaped fixed jaw can adapt to the surface radian of the guide line, and a good surface contact is provided, so that a positive pressure is exerted to the guide line, and the damage problem of the guide line is further solved.

The invention discloses an electric packer. The electric packer comprises a shell, a control mechanism, an execution mechanism, a limiting mechanism, a setting mechanism and a lifting unsetting mechanism. The shell is formed by connection of a lower joint, a lower shell, a mounting seat and an upper shell; the control mechanism is arranged in the shell; the execution mechanism which is arranged in the shell is an execution motor connected with a circuit board; the limiting mechanism is arranged in the shell and connected with the execution mechanism; the setting mechanism is arranged in the shell and connected with the limiting mechanism; the lifting unsetting mechanism is arranged in the shell and connected with the setting mechanism. The electric packer has the advantages that setting and unsetting can be realized at any time, and reusability is achieved; the problem of damages of underground equipment due to impurities such as sand and the like is effectively solved; by adoption of a thread transmission and hydraulic transmission integrated transmission manner and a low-voltage motor, high control precision and high circuit stability are realized; by the aid of the lifting unsetting mechanism, smoothness in pullout of pipe columns can be guaranteed when electric unsetting fails; owing to addition of the limiting mechanism, reliability is guaranteed.

The invention discloses a switchgear for intelligent cooling and dehumidification, which comprises a switchgear body. Both sides of the switchgear body are fixedly connected with a fixed box. The top of the fixed box is fixedly connected with a blower. device, one side of the mobile device is fixedly connected with an air nozzle, the two sides of the inner wall of the switch cabinet body are fixedly connected with a fixed plate, one side of the inner wall of the switch cabinet body is fixedly connected with a first motor, and the output shaft of the first motor A screw rod is fixedly connected with a shaft coupling, and the invention relates to the technical field of switch cabinets. The intelligent cooling and dehumidification switchgear solves the problem that the current switchgear cannot control the temperature and humidity in the switchgear well, and the problem that the electrical components in the switchgear will be damaged if the temperature is too high or the humidity is too high, avoiding the influence The normal operation of the switchgear enables the switchgear to effectively protect the circuit where it is located, and improves the working efficiency of the switchgear.

The invention discloses an intelligent sample storage cabinet system. The system comprises a sample storage unit for storing samples, a sample storage / taking movement unit for shifting the samples, and an intelligent control unit; the sample storage unit includes multiple storage bins arranged in an array form; the sample storage / taking movement unit includes a pneumatic manipulator mechanism; the pneumatic manipulator mechanism is provided with a storage cavity and a negative-pressure production component; and after an opening end of the storage cavity is tightly connected with opening ends of the storage bins, the negative-pressure production component extracts air in the storage cavity and the storage bins to form vacuum negative pressure so as to suck the samples in the storage bins to the storage cavity. The system has the advantages of high space utilization rate, high intelligent modular degree, capability of synchronously storing and taking one or more samples and safe and efficient sample storage and taking.

The invention is applied to the field of communication detection of an air-conditioning system and provides a communication detecting method and system for a current loop communication circuit. It is judged whether the receiving end, on the indoor side or outdoor side, of the circuit loop communication circuit receives air-conditioner regular communication data when a sending end photocoupler on the indoor side or the outdoor side of the current loop communication circuit is controlled to be powered on, if the air-conditioning regular communication data are not received, the sending end photorcoupler on the indoor side or outdoor side of the current loop communication circuit is controlled to be powered off after delay, detecting frequency data preset in storage space are updated, if the detecting frequency data equals a preset frequency threshold value, it is indicated that the wiring mode of the current loop communication circuit is false, and an air conditioner can send out fault prompt and end communication progress between the indoor side and the outdoor side of the air conditioner, so that the current loop communication circuit stops working, and the aim of protecting control panels of an indoor unit and an outdoor unit of the air conditioner against damage is achieved.

The invention relates to the technical field of horticulture, in particular to a flowerpot with soil automatically loosened. The flowerpot comprises a flowerpot body and further comprises a liquid spray device, a liquid collecting box is arranged below the flowerpot body, a water tank and a chemical fertilizer box are arranged on the two sides of the flowerpot body respectively, a water-permeable plate is arranged between the flowerpot body and the liquid collecting box, an ion solubility measuring instrument is arranged in the liquid collecting box, a display screen and a single-chip microcomputer are arranged on the flowerpot body, the liquid spray device comprises a first pipeline, a second pipeline and a third pipeline, the first pipeline is connected with the liquid collecting box, the second pipeline is connected with the water tank, the third pipeline is connected with the chemical fertilizer box, a plurality of magnets are arranged in the flowerpot body, a cavity is arranged between the outer wall and the inner wall of the flowerpot body, and a plurality of electromagnets are arranged in the cavity. Compared with the prior art, the flowerpot can automatically detect whether the soil in the flowerpot body is hardened or not, the soil can be automatically loosened when the soil in the flowerpot body is hardened, and a plant root system cannot be damaged when the soil is loosened. The problems that in the past, whether the soil in the flowerpot body is hardened or not cannot be known and the root system can be damaged when the soil is loosened with external force are solved.