488results about How to "Timely supplement" patented technology

The invention belongs to the field of ring main units, and particularly relates to a ring main unit pressure relief device and a ring main unit thereof.The ring main unit pressure relief device comprises a cabinet body and a gas treatment assembly, the gas treatment assembly comprises a first pressure relief pipeline, the first pressure relief pipeline is fixedly installed on the outer wall of the cabinet body, and one end of the first pressure relief pipeline extends into the cabinet body; the bottom of the first pressure relief pipeline fixedly communicates with a second pressure relief pipeline, the bottom of the second pressure relief pipeline fixedly communicates with a sleeve, and a second one-way valve is arranged on the inner wall of the second pressure relief pipeline; according to the ring main unit pressure relief device and the ring main unit thereof, low fluoride in SF6 gas is treated through the gas treatment assembly, the situation that the low fluoride is exhausted to the outside and threatens the health of surrounding constructors is avoided, the SF6 gas exhausted from the gas conveying pipeline circulates along the inclined face of the bottom of the extension plate, the SF6 gas can be better fused with an alkaline solution, and the safety of the ring main unit is improved. And by arranging the spoiler, SF6 gas is wrapped, and the retention time of the SF6 gas in the alkaline solution is prolonged.

The invention discloses an emulsifying device for salicylic acid preparation, which belongs to the technical field of salicylic acid preparation and processing, and has the technical key points that the emulsifying device comprises an emulsifying box, and an annular rotary stirring mechanism can be correspondingly driven to adjust the stirring mode and perform rotary stirring operation through an arranged stirring liquid conveying control mechanism; by combining two stirring modes of rotation and revolution, salicylic acid and an emulsifier can be mixed and stirred more comprehensively from multiple angles, the uniformity of the emulsion is greatly improved by the stirring mode, and in addition, the stirring speed is greatly improved by randomly adjusting the stirring position. According to the emulsifying machine, the same equipment can meet various different emulsifying processing requirements, so that the investment cost of the equipment is reduced, the liquid conveying mechanism can be correspondingly driven to perform liquid adding operation through the arranged stirring liquid conveying control mechanism, the manual operation is remarkably reduced, the production cost is reduced, and the production efficiency is improved; the stirring device has the advantages of convenience in stirring adjustment, diversified stirring modes and convenience in automatic liquid adding.

The present invention discloses a micro jet cooling plate with a porous heat transfer surface, wherein a porous super hydrophilic surface structure composed of a plurality of evenly distributed small holes is centrally arranged on a rectangular working surface of the micro jet cooling plate, two cooling liquid outlet channels are arranged in parallel at two opposite sides of the working surface, and cooling liquid collecting channels with two ends connected to the cooling liquid outlet channels are arranged in parallel at the other two opposite sides of the working surface, and a plurality of micro channels are evenly connected between the porous super hydrophilic surface structure and the cooling liquid outlet channels and the cooling liquid collecting channels. The present invention also discloses a method for manufacturing a micro jet cooling plate with a porous heat transfer surface. The present invention can reduce the thermal resistance of the channel surface, increase the phase change heat transfer efficiency, and can effectively solve the problems of excessively high local temperature and uneven distribution of concentrated photovoltaic cells, thereby improving the power generation efficiency of the cells.

The invention belongs to the technical field of expressway crack detection, and discloses an expressway crack detection device and a detection method thereof.The expressway crack detection device comprises a device body, a sound wave detector host and a control box are fixedly connected to the top of the device body, and the sound wave detector host is connected with a pair of transducer probes through data lines; according to the device, through cooperation of the transverse position adjusting assembly, the scale plate and other structures, the measurement distance can be conveniently controlled, through arrangement of the adjusting mechanism, a sliding block on a linear guide rail drives a warped plate to move, the warped plate pulls a fixing frame to drive a transducer probe to move synchronously, the measurement distance is adjusted, and the measurement precision is improved. Through cooperation of the adjusting mechanism, the coupling agent supplementing assembly and other structures, the coupling agent can be supplemented in time, and the first telescopic rod pushes the limiting sleeve to drive the push rod to move up and down.

The invention belongs to the technical field of flow battery energy storage, and more specifically relates to a near-neutral total iron flow battery negative electrode electrolyte and a preparation method thereof, the negative electrode electrolyte is prepared from an iron salt, a chelating agent, a stabilizing agent, a supporting electrolyte and water at a certain temperature, the total iron concentration is 0.1-1.0 M, the molar ratio of the chelating agent to the iron salt is 1.2-2.0, the molar ratio of the stabilizing agent to the supporting electrolyte is 1.2-2.0, and the total iron concentration is 0.1-1.0 M. The molar ratio of the stabilizer to Fe is 0.25-1.0, the supporting electrolyte concentration is 0-2.0 mol / L, and the pH value is 7.0-8.5. The near-neutral negative electrode electrolyte for the total-iron flow battery is high in stability, can effectively inhibit generation of ferric hydroxide precipitates under a neutral condition, improves the stability of iron ions, greatly prolongs the cycle life of the total-iron flow battery, and can be widely applied to various aqueous flow batteries.

The invention provides a maintenance work order automatic creation method and system combined with equipment fault prediction, and relates to the field of data processing systems or methods for prediction purposes, and the method comprises the steps: carrying out the matching of corresponding equipment information based on a fault prediction result outputted by a fault prediction model; according to the fault prediction result and the equipment information, resources needed by maintenance of each piece of equipment are determined; generating a preliminary maintenance work order draft according to the work order template and the resources required for maintenance, and performing priority ranking according to the predicted severity level to obtain a priority sequence; matching the current human resource and the current accessory resource to a corresponding preliminary maintenance work order draft according to the priority sequence to obtain a preliminary maintenance work order; and generating a formal maintenance work order based on an audit or modification result of the user. By implementing the method, the interference intervention of artificial resource allocation on the overall efficiency in the process of automatically creating the maintenance work order can be reduced by automatically allocating the maintenance resources, so that the overall efficiency of creating the maintenance work order can be improved.

A trapper for stored grain pests in a grain pile belongs to the technical field of stored grain pest trapping and comprises a trapper mounting seat, a trapper main body pest trapping tube, a trapper camera module and a trapper bottom pest collecting conical head. The trapper mounting seat, the trapper main body insect trapping tube, the trapper camera module and the trapper bottom insect collecting conical head are sequentially connected from top to bottom; insect trapping holes for pests to pass through are formed in the cylinder wall of the upper end of an insect trapping pipe of the trap body, an attractant containing bottle and a bottle cap are arranged in the lower end of the trap body, emission holes are formed in the bottle cap, and a miniature electronic liquid level meter is arranged in the attractant containing bottle. The insect trapping device is simple in structure and easy and convenient to operate, attractants can be added to improve the insect trapping rate, the residual quantity of the attractants can be pre-warned, the inner insect trapping condition can be observed in real time, meanwhile, the insect trapping device is convenient to install and use, functions are convenient to expand and upgrade, and the insect trapping device is suitable for industrial production and application.

The invention discloses high-speed wire cutting machine tool equipment for precision machining, and relates to the field of high-speed wire cutting machine tools, the high-speed wire cutting machine tool equipment for precision machining comprises a cutting machine tool and a control cabinet mounted on one side of the cutting machine tool, the control cabinet is used for controlling the cutting machine tool, and an operation table for operation is mounted on the top side of the control cabinet; one side of the control cabinet is provided with a heat dissipation fan, and the other side of the control cabinet is provided with an air inlet hole used for air inflow. It needs to be explained that in the embodiment of the invention, through absorption of the filter boxes, air entering the control cabinet can be kept clean and dry, safe use of electric appliance elements in the control cabinet is effectively guaranteed, switching of the filter boxes can be automatically completed, and it is guaranteed that the control cabinet can continuously drive the cutting machine tool to conduct precise cutting; besides, the filter box is actively cleaned through the cleaning strip, smoothness of the filter box is guaranteed, air circulation in the control cabinet is further guaranteed, the control cabinet obtains a good heat dissipation effect, and potential safety hazards are eliminated.

The invention relates to a traditional Chinese medicine composition with functions of tonifying qi and nourishing blood for livestock. The traditional Chinese medicine composition comprises the following components in parts by weight: 10-30 parts of astragalus membranaceus, 10-40 parts of spina gleditsiae, 10-20 parts of angelica sinensis, 10-20 parts of codonopsis pilosula, 10-30 parts of uniflower swisscentaury root, 10-30 parts of ligusticum wallichii, 10-20 parts of cowherb seed, 10-20 parts of fruit of liquidambar formosana hance and 1-10 parts of iron sucrose. The traditional Chinese medicine composition is scientific and reasonable in component, free of toxic and side effects and medicine residue, convenient to take and low in cost, has the functions of tonifying qi and nourishing blood, stimulating the menstrual flow and prompting lactation, and is capable of effectively treating diseases of postpartum hypogalactia, breast milk stoppage and the like which are normal in livestock.

The invention discloses a dust filtering system for bridge engineering construction and a filtering method.The dust filtering system comprises an air draft device, an aeration dust removal device and a waste water precipitation device, the waste water precipitation device comprises a plurality of precipitation units, the aeration dust removal device is connected with a drainage channel, the drainage channel is communicated with the precipitation units, and the precipitation units are communicated with the aeration dust removal device. A buoyancy opening and closing mechanism is arranged in each precipitation unit and can close a drainage channel where the precipitation unit is located after the precipitation unit is filled with wastewater and open a water inlet of the adjacent precipitation unit at the same time; a plurality of water outlets are further formed in the two sides of the precipitation unit, and each water outlet is provided with a floating ball normally-closed switch which is used for opening the water outlet when the liquid level descends; the water outlets in the two sides of the precipitation unit are sequentially and alternately arranged in the vertical direction. According to the invention, the problem of slow filtration of traditional precipitation type wastewater is solved, so that the treatment efficiency of dust filtration is improved.

The utility model relates to the technical field of film covering printing equipment, and discloses a material receiving device for a printing film covering machine, which comprises a material receiving assembly arranged on the blanking side of a film covering machine main body. Under the gravity action of the printed products, the deformation amount of the elastic springs is small, at the moment, the surface of the uppermost printed product is flush with the surface of the printed product receiving plate in the initial state, the deformation amount of the elastic springs is increased along with increase of the number of the received printed products, and the printed product receiving plate slowly moves downwards; and the cushion blocks at the bottoms of the printed product receiving plates move together with the printed products after making contact with the conveying belt, the material receiving efficiency can be guaranteed, new printed product receiving plates can be rapidly supplemented to the surfaces of the lap joint blocks, it is guaranteed that the printed product receiving operation is continuously conducted, and the material receiving efficiency is further guaranteed. And a series of problems caused by too shallow or too deep depth of the material receiving box are effectively avoided.

The invention relates to the technical field of blade machining, and discloses a hard alloy blade numerical control machining device which comprises a mounting bottom plate and a mounting column, a collecting box is mounted in the middle of the top end of the mounting bottom plate, a first motor is mounted on the outer side of the collecting box, and the output end of the first motor is fixedly connected with a first transmission shaft; a grinding wheel is fixedly connected to the outer side of the first transmission shaft, one end of the first transmission shaft penetrates through the exterior of the collecting box and is fixedly connected with two sector gears, two fixing columns are fixedly connected to the outer side of the collecting box, and a rack plate is slidably connected to the tops of the fixing columns. Cooling liquid is automatically sprayed to the blade through rotation of the grinding wheel, power generated by rotation of the grinding wheel is ingeniously utilized, and synchronous and accurate automatic operation of the cooling liquid spraying process and the grinding process is achieved. The automatic spraying mode can ensure that the cooling liquid uniformly covers the surface of the blade, so that the cooling effect is more efficient and stable.

The utility model discloses an oxyhydrogen atomizing machine which comprises a water storage tank, an electrolytic bath, an oxygen water collector, a hydrogen water collector and two groups of gas path radiators, the water outlet end of the water storage tank is connected with the water inlet end of the electrolytic bath; the electrolyte enables water to be decomposed into oxygen and hydrogen under the action of direct current in the electrolytic bath; the oxygen output end of the electrolytic bath is connected with the water inlet end of the water storage tank through a group of gas path radiators, the oxygen output end of the water storage tank is connected with the oxygen water collector, and dried and cooled oxygen is obtained after separation by the oxygen water collector; the hydrogen output end of the electrolytic bath is connected with the hydrogen water collector through the other group of gas path radiators; and dry and cooled hydrogen is obtained after separation by the hydrogen water collector. The gas path radiator is additionally arranged at the gas output end of the electrolytic bath, gas electrolyzed by the electrolytic bath is pre-cooled and then separated through the water collector, finally, dry and pure hydrogen and oxygen are obtained, and influences on subsequent gas purity, the service life of equipment and safety are effectively avoided.

The invention discloses a seedling culture monitoring device for forest cultivation, and belongs to the technical field of forest cultivation. The seedling culture monitoring device for forest cultivation comprises a base, a driving groove is formed in the top end face of the base, a belt is arranged in the driving groove, a pair of first gears is installed in the driving groove through bearings, and the two first gears are located in the two ends of the belt respectively; a second gear is installed in the driving groove through a bearing, a third gear is installed in the driving groove through a bearing, a transmission column is welded to the end face of the top of the third gear, a seedling raising box is welded to one end of the top of the transmission column, a stand column is welded to the end face of the top of the base, and a driving motor is in threaded connection with the outer wall of one side of the stand column. The problems that in the prior art, in the using process, illumination supplement cannot be conducted on saplings in time in the dark environment, sapling growth is not facilitated, the sapling cultivation effect can be reduced, and the cultivation time can be prolonged are effectively solved.

The utility model discloses an artificial afforestation irrigation device which comprises a supporting frame and a movable assembly, damping supporting assemblies are arranged at the four corners of the bottom end of the supporting frame, each damping supporting assembly comprises a damping rod and a connecting block, the bottom end of each damping rod is connected with the corresponding connecting block, and the movable assembly is arranged at the bottom end of the corresponding connecting block. And the movable assembly comprises a clamping plate, magnetic attraction blocks, a positioning groove and rolling wheels, the magnetic attraction blocks are arranged on the front side and the rear side of the top wall of the clamping plate, the positioning groove is formed in the clamping plate, and the rolling wheels are connected to the bottom end of the clamping plate. Compared with an existing irrigation device, the artificial afforestation irrigation device has the advantages that the damping supporting assembly and the movable assembly are arranged for replacing and supporting, under the damping effect, the movement stability of the device is improved, the spraying effect is prevented from being affected, a rotating winding assembly is used for storing a water pipe, the cleanliness is improved, and dragging damage is avoided; the water level observation window can observe the water level to remind timely supplement.

The invention discloses a warp knitting machine with a precise yarn supply device, which comprises a fixed base, and the top of the fixed base is fixedly connected with a transmission rod; the number of the feeding mechanisms is two, each feeding mechanism comprises a mounting part, a rotating part, an adjusting part and a storage rod, the mounting parts are arranged on the fixed base, the rotating parts and the adjusting parts are arranged on the mounting parts, and the storage rods are arranged on the adjusting parts; yarns can be uniformly stored and stored by rotating the yarn storage coil and adjusting the movement of the yarn storage coil at the same time, the rotating rod drives the mounting plate to rotate, the yarns are supplemented in time, the yarn coil is prevented from being detached and replaced, the working efficiency is improved, and by adjusting the angle of the adjusting plate, the storage rod is driven to rotate to a proper angle, so that the yarn storage efficiency is improved. The yarn rolls are arranged on the storage rod in a sleeving mode, the adjusting plate and the storage rod are pushed to move through the electric telescopic rod, the tension can be adjusted according to the actual situation, rapid feeding can be achieved, and the practicability of the feeding device is improved.

The invention relates to the technical field of irrigation control, in particular to an agricultural product irrigation control system based on the Internet of Things, and the system comprises a data acquisition module and a data analysis module which are used for dividing a to-be-irrigated agricultural product region into a dynamic change region and a stable region according to the average variation of soil data within a first preset time; the irrigation method determining module is used for determining a dynamic flow irrigation method or a low-flow infiltrating irrigation method to irrigate agricultural products according to the soil organic matter content; the irrigation adjusting module is used for determining whether to adjust the agricultural product irrigation control process or not according to the uniformity degree of the soil water content variation in the same irrigation area in the irrigation process and the plant growth height difference degree of a plurality of different irrigation areas; according to the method, different irrigation starting methods are selected by dividing different to-be-irrigated agricultural product areas, so that the accuracy of agricultural product irrigation process control is improved.

The vibration absorption device comprises a shell and a buffer piston which are coaxially arranged, the buffer piston is sleeved with the shell, and the vibration absorption device further comprises at least two buffer cavities, an oil inlet way and a balance valve which are distributed on the periphery of the buffer piston at intervals in the axial direction; the oil inlet path is arranged on the shell and is communicated with at least one buffer cavity; the buffer cavities are communicated through the balance valves, the balance valves are used for changing the communication relation between the buffer cavities according to the pressure difference between the buffer cavities, the buffer cavities can be communicated in time, the buffer cavities needing oil supplementing are subjected to oil supplementing, sudden pressure drop of the cavities is avoided, and the phenomena of negative pressure and cavitation are avoided. Damage to parts in the rock drill is reduced, and the vibration absorption effect is improved. The second aspect provides a rock drill comprising the vibration absorption device in the first aspect, an impact piston coaxially arranged in the buffer piston in a sliding mode, a bit shank coaxially arranged on the front side of the impact piston, and a plug buffer spacer bush arranged on the impact piston in a sleeving mode and located between the buffer piston and the bit shank.

The utility model relates to the technical field of building maintenance equipment, in particular to a concrete maintenance device for concrete preparation, which comprises a top plate, a spraying seat, a first swing shaft, a second swing shaft, a spraying box, a stirring and conveying assembly, a linkage assembly and two walking plates, a walking shaft is rotatably mounted on the walking seat, walking wheels are arranged on the walking shaft, the spraying seat is mounted at the bottom of the top plate, the first swing shaft and the second swing shaft are rotatably mounted on the spraying seat respectively, the two sides of the spraying box are connected with the first swing shaft and the second swing shaft respectively, and a plurality of sprayers communicated with the interior of the spraying box are arranged at the bottom of the spraying box. The linkage assembly drives the spraying box to rotate in a reciprocating mode within a certain angle range, the spraying box drives the spraying head to rotate in a reciprocating mode to form swing, and the spraying range of the spraying head is enlarged.

The utility model discloses a sewage treatment medicament solution spraying device for sewage pool treatment, which comprises a base frame, a first screw rod transmission structure is arranged above the base frame, lifting driving parts are mounted on two sides of the top end of the base frame, the top ends of the lifting driving parts are connected with the bottom ends of the first screw rod transmission structures, and the top ends of the lifting driving parts are connected with the bottom ends of the first screw rod transmission structures. A bearing seat is slidably mounted on one side of the top end of each first lead screw transmission structure, two second lead screw transmission structures are arranged on the outer surface between the bearing seats, a linkage plate is slidably mounted on one side of the surface of each second lead screw transmission structure, a bearing frame is arranged on the surface of each linkage plate, a nozzle is mounted at the bottom end of each bearing frame, and a liquid storage tank is arranged on one side of the base frame. According to the chemical solution spraying device, a chemical solution can be conveniently and uniformly distributed and sprayed into the sewage treatment tank, so that the spraying effect of the spraying device on the chemical solution is guaranteed, the phenomenon that the chemical solution in the liquid storage tank is precipitated is reduced, the quality of the chemical solution is guaranteed, and the purpose of easily supplementing the chemical solution in the liquid storage tank in time is achieved.

The invention relates to the technical field of temperature, humidity and carbon dioxide detection, and discloses a novel temperature, humidity and carbon dioxide detection sensor and a control method thereof.The novel temperature, humidity and carbon dioxide detection sensor comprises a bottom shell, an upper cover, a control circuit board, a temperature sensor, a humidity sensor, a carbon dioxide sensor, a displayer and a ventilation mechanism; a device cavity is defined by the bottom shell and the upper cover, a control circuit board, a temperature sensor, a humidity sensor and a carbon dioxide sensor are arranged in the device cavity, the ventilation mechanism is installed on the bottom shell and used for communicating the external environment with the environment in the device cavity, and the displayer is installed on the upper cover. The control end of the display, the control end of the temperature sensor, the control end of the humidity sensor and the control end of the carbon dioxide sensor are electrically connected with the control end of the control circuit board. The sensor can realize integration of temperature, humidity and carbon dioxide detection control, saves resources, saves space, reduces cost and the like, and is also convenient for overall observation of the environment condition of the greenhouse.

The utility model provides a jaw crusher which comprises a base, a crusher body is arranged on the base through a support, a support stretching across the upper side of the crusher body is arranged on the base, a feeding box is vertically arranged on the support in a vibrating mode, the lower end of the feeding box is in a contractive prismatic table shape, a feeding port is formed in the top of the feeding box, and a discharging barrel is arranged at the bottom of the feeding box. And a control valve is arranged on the discharging barrel. According to the jaw crusher disclosed by the utility model, not only can the basic requirement of crushing and processing materials be met, but also the feeding amount can be automatically controlled, the workload of workers is reduced, and the overall efficiency of crushing and processing the materials is improved.

The invention provides a flat heat pipe with a multi-scale wick. The flat heat pipe comprises a lower bottom plate, the lower surface of the multi-scale liquid absorption core is fixedly connected with the upper surface of the lower bottom plate, the multi-scale liquid absorption core is foamy copper internally provided with a honeycomb-shaped V-shaped channel, and a hydrophilic modification layer is formed on the surface of the multi-scale liquid absorption core; and the edge of the lower surface of the upper cover plate is connected with the edge of the upper surface of the lower bottom plate so as to seal the multi-scale wick.

The utility model discloses an organic solid waste fermentation tank which comprises a tank body, a driving structure and a stirring assembly, the tank body is provided with a fermentation cavity and an exhaust port communicated with the fermentation cavity, the exhaust port is located at the upper end of the tank body, the driving structure comprises a rotating shaft rotationally arranged along an axis extending in the vertical direction, and the rotating shaft is located in the fermentation cavity. The rotating shaft is provided with an airflow channel extending in the vertical direction, the airflow channel is used for being communicated with air outside the tank body, the stirring assembly comprises a plurality of stirring rods arranged in the circumferential direction of the rotating shaft at intervals, each stirring rod forms a flow dividing channel, the flow dividing channels are communicated with the airflow channel, and air outlet holes communicated with the flow dividing channels are formed in the outer surfaces of the stirring rods. By means of the arrangement, the contact area between the organic solid waste and air can be increased, so that the organic solid waste can make full contact with the air, oxygen can be supplemented into the fermentation cavity in time, and it is ensured that the fermentation reaction is conducted fully.

The utility model relates to the technical field of medical consumable management, in particular to medical consumable management equipment which comprises a placement cabinet, a plurality of material taking grooves are formed in the front surface and the rear surface of the placement cabinet at equal intervals, a plurality of partition plates are fixedly installed on the inner surface of the placement cabinet at equal intervals, and a plurality of feeding assemblies are arranged on the upper surfaces of the partition plates at equal intervals. The feeding assembly comprises a chain and chain wheels, the two chain wheels are movably connected to the two ends of the inner side of the chain in a meshed mode, rotating shafts are fixedly installed on the lower surfaces of the chain wheels, and a plurality of stock bins are arranged on the outer side of the chain at equal intervals. According to the medical consumable management cabinet, medical consumables are placed in a classified mode through the feeding assembly, meanwhile, the remaining number of single medical consumables can be conveniently and visually observed, the medical consumables can be conveniently supplemented in time, the humidity of a single space in the medical consumable management cabinet can be conveniently adjusted, and the medical consumables in different storage environments can be conveniently stored in a classified mode; and the medical consumables are more convenient to manage.

The utility model relates to the technical field of ice making equipment, and discloses an ice maker with a filter component, which comprises an ice maker main body, the ice maker main body is communicated with a water tank, the filter component is mounted in the water tank, water in the water tank flows to the bottom of the water tank after being filtered by the filter component, and the filtered water is to be subjected to ice making treatment; and the water tank is arranged on the ice maker main body or is externally arranged on one side of the ice maker main body. The water purifier has the advantages of being capable of filtering a water source, convenient to supplement water and compact in structure.

The utility model discloses an engineering surveying and setting-out device relates to engineering surveying tool technical field. The engineering surveying and setting-out device, including main unit, spool and ink chamber, spool is inserted in the inside of main unit, and the ink chamber is clamped in the outside of main unit. The main unit is composed of handle and positioning frame, and the positioning frame is connected to the outside of handle, and the positioning frame includes frame body, frame cover and carousel, and the frame cover is hinged to the frame body, and the carousel is inserted in the inside of frame body, and the outside of frame body is equipped with the clamping groove, and the outside of frame cover is equipped with the clamping block and the slot, and the clamping block is clamped with the clamping groove. The utility model discloses a reasonable structure design, has realized the convenient elastic line marking operation, and the spool replacement is convenient, and the ink chamber dismouting is convenient, has improved the efficiency and accuracy of engineering surveying and setting-out, and has stronger practicality.

The utility model aims to provide an intelligent temperature control rice bucket which comprises a storage device, and the storage device comprises a bucket body, a bucket cover, a display panel and a photoelectric sensor and is used for storing rice. The rice discharging device comprises a metering device and a rice discharging hopper and can quantitatively discharge rice; the temperature control device comprises a temperature changing assembly, an air outlet and an exhaust outlet and can conduct temperature control and heat preservation on the rice in the storage device, and therefore the rice is prevented from going bad.

The utility model discloses a full-sealed oil-immersed high-capacity power transformer, which relates to the technical field of transformers and comprises an oil tank, a tank cover is mounted on the top surface of the oil tank, cooling components are assembled on two sides of the top surface of the tank cover, and an oil pump is mounted above the tank cover. The louver adopts a gap type structure and a stepped inclined shape, heat in the radiating fins can be smoothly radiated outwards through gaps among the gap type structures by the aid of the gap type structure, and the stepped inclined shape guides an air flowing path, so that the heat in the radiating fins can be radiated outwards by the aid of the gap type structure regardless of blowing of external natural wind. The air can smoothly penetrate through the protective cover along the inclination angle of the shutter and fully flow through the heat dissipation fins when the transformer is in a power-off state or is in air convection caused by heat dissipation of the transformer, and meanwhile, most dust is effectively blocked through the shutter, so that air circulation can be guaranteed, and most dust can be blocked.

The invention relates to the technical field of elevators, and discloses an automatic ventilation type landscape elevator and a ventilation method.The automatic ventilation type landscape elevator comprises an elevator frame, a filter plate cleaning mechanism and a ventilation mechanism are arranged on the elevator frame, two elevator doors are arranged on the front side of the elevator frame, and a plurality of pieces of landscape glass are fixedly connected to the inner wall of the elevator frame; a plurality of ventilation grooves are formed in the front side of the elevator frame. By arranging the filter plate cleaning mechanism, the problems that in the using process of an existing automatic ventilation type landscape elevator, due to the transparent design characteristic of a landscape elevator car, in order to not affect the attractiveness, the structure of the landscape elevator car is often compact, and the space reserved for maintenance personnel to operate is limited, so that the maintenance personnel disassemble and clean a filter screen, and the maintenance efficiency is low are solved. In order to ensure that the air quality in the elevator car is good, a filter screen needs to be cleaned regularly, however, due to inconvenience of the cleaning process, the filter screen is blocked, and normal operation of an air exchange system is affected.