24results about How to "Stable environment" patented technology

The invention discloses an ion trap mass spectrometry device and method capable of switching internal and external ion sources, and the device comprises an ion source cavity, the exterior of the ion source cavity is provided with a heating module, the side wall of the ion source cavity is provided with a sample introduction hole, and the sample introduction hole is internally provided with a chromatographic column I; the electron beam generation system is arranged at the front side position of the ion source cavity; the insulation connecting piece is communicated with the ion source cavity, and a lens I, a lens II and a lens III are sequentially arranged in the insulation connecting piece in the sample injection direction; a signal acquisition system; wherein a chromatographic column II is arranged on the ion trap. The two ionization modes inside and outside the trap are integrated, and different detection requirements can be flexibly met by switching the sample introduction path of the chromatographic column and regulating and controlling the voltage parameters of the lens I, the lens II and the lens III.

The present application belongs to the technical field of concrete preparation detection, and particularly relates to a concrete aggregate water content detection device, which comprises a base and a rack installed above the base. A controller is installed on the side wall of the rack. The device further comprises a through hole opened in the top of the base, a support seat slidably connected inside the through hole, and a weighing mechanism installed inside the through hole for supporting the support seat. A flat hopper is arranged above the base and located on the side of the feed end direction of the support seat. The rack is provided with an adjusting drive mechanism for driving the vertical movement of the flat hopper. A microwave detection unit is arranged on one side of the flat hopper. The present application can perform online detection of the water content of concrete aggregate, improve the detection accuracy by combining weight detection and thickness control, reduce single detection interference error by cross verification of multiple sensing data, and improve data reliability to support subsequent dynamic batching.

The application provides a temperature determination method, a refrigerator and a storage medium. The method is applied to the technical field of refrigerators. The method is applied to a refrigerator. The refrigerator is internally provided with a plurality of temperature sensors. The method comprises the following steps: collecting original temperatures of articles in the refrigerator monitored by the plurality of temperature sensors respectively under the condition that the refrigerator is in a stable state; calibrating each original temperature based on a reference temperature to obtain a calibration temperature corresponding to each original temperature; wherein the reference temperature is an average temperature of the plurality of original temperatures; and determining the temperature of the articles in the refrigerator based on the calibration temperatures corresponding to the plurality of original temperatures respectively. The method can accurately obtain the temperature of the articles in the refrigerator.

The utility model provides a kind of aeration pipe for compost, mainly relates to aeration equipment technical field.A kind of aeration pipe for compost, including aeration pipe, the both ends of the aeration pipe are respectively screwed with quick connector, the top surface of the aeration pipe is equipped with several evenly distributed aeration holes, and the section of the aeration pipe is regular hexagon structure.The utility model has the beneficial effect that: aeration pipe adopts regular hexagon section design, can be stably placed on ground when installing, avoid the deviation of aeration hole caused by rolling, ensure that gas is evenly discharged;Evenly distributed aeration hole makes the gas distribution of compost area more balanced, effectively improves oxygen supply efficiency, promotes the uniformity and efficiency of compost fermentation process, provides stable environment for microbial activity.

The invention relates to the technical field of power grid operation, and provides a power grid operation safety distance accurate sensing device and method in a non-fixed scene, and the device comprises a hardware device and terminal software which is in communication connection with the hardware device. The hardware device is integrated and deployed on a movable support or a holder, and comprises a laser radar sensor which is used for rapidly scanning a power grid operation scene and obtaining three-dimensional point cloud data including three-dimensional coordinates, laser intensity and echo information; the high-definition visible light camera is approximately parallel to the optical axis of the laser radar sensor and is used for collecting real-time video images of the operation scene; an AI visual analysis module and a point cloud processing unit are arranged in the embedded processor; and the terminal software is deployed on the edge computing equipment or the background server and is used for receiving and processing the data from the hardware device. According to the invention, the safe distance can be accurately sensed.

The utility model relates to the technical field of equipment for glass tube production, and discloses a transfer device for glass tube production, which comprises a bottom plate, a first cylinder machine is fixedly connected inside a cylinder box, a driven fluted disc is fixedly connected outside a rotating rod, a driving rack is arranged inside a column tube, and a second cylinder machine is fixedly connected outside the column tube. And the upper surface of the transverse plate is fixedly connected with a second air cylinder machine, and the interior of the hopper box is fixedly connected with a hydraulic machine. The utility model has the following advantages and effects: the driving rack is meshed with the driven fluted disc, so that the driven fluted disc rotates, and the transverse plate rotates by 90 degrees, so that one end of the transverse plate is butted with the processing platform, and meanwhile, the second cylinder machine and the hydraulic machine are quickly started; and the output end of the hydraulic machine pushes the push plate to move so as to push the storage plate placed in the hopper box to the upper surface of the machining platform, and through the operation, manpower is saved, and the effect that the glass tube transfer effect is good is achieved.

The utility model relates to the technical field of bag-type dust removers, and discloses a bag-type dust removal connecting structure which comprises a first connecting ring, two connecting blocks are fixedly connected to the inner wall of the first connecting ring, an expansion ring is fixedly connected to the left side of the first connecting ring, and a convex ring is fixedly connected to the left side of the first connecting ring. A second connecting ring is detachably connected to the left side of the first connecting ring, a sealing groove is formed in the second connecting ring, a plurality of first springs are fixedly connected to the inner wall of the sealing groove, sealing rings are fixedly connected to the right sides of the first springs, and a clamping ring is fixedly connected to the interior of the second connecting ring. According to the utility model, dust-containing gas can be effectively prevented from escaping, the clean and safe working environment is guaranteed, the harm of dust to the health of personnel and the surrounding environment is greatly reduced, the stable airflow and pressure environment in the bag-type dust collector can be maintained, the efficient development of dust collection operation is ensured, and the reliable operation cycle and the service life of equipment are prolonged in an assisting manner.

This invention relates to the field of output terminal moisture protection technology, and discloses an intelligent moisture-proof device for photovoltaic inverter output terminals, comprising: a sealed protective shell with an opening at the bottom and a sealing groove around the opening, a sealing gasket embedded in the sealing groove, mounting holes for matching bolts around the perimeter of the sealed protective shell, and an alarm, controller, and semiconductor cooler mounted on the top. The inner cavity of the sealed protective shell has a temperature-conducting inclined plate that fits against the semiconductor cooler, and a temperature and humidity detector is installed on the inner wall. The outer surface has a wiring hole with a sealing ring, an exhaust hole with an exhaust fan, and a sealing groove. A sealing block and a sealing outer plate are respectively fitted into the inner cavity of the sealing groove and the exhaust hole. This device can form a closed-loop, surface-sealed barrier, effectively preventing external moisture from intruding into the inverter output terminal area, avoiding terminal oxidation and degradation of insulation performance due to moisture.

The utility model discloses an anti-climbing crib, which belongs to the field of cribs and comprises a crib board, a loop bar is fixedly connected to the upper surface of the crib board, a woven mesh is fixedly connected to the bottom of the inner side wall of the loop bar, a protection mechanism is fixedly connected to the middle of the inner side wall of the loop bar, and adjusting rods are fixedly connected to the periphery of the bottom of the crib board. The outer surface of the adjusting rod is sleeved with a sleeve, the bottom of the sleeve is fixedly connected with a damping mechanism, the protection mechanism comprises a folding plate, and the other side of the folding plate is fixedly connected with a connecting block. Through cooperative use of all the devices, the protection function can be added to the baby crib through the arranged protection mechanism, the protection mechanism is pulled upwards or downwards, the protection mechanism is adjusted to the proper height and fixed according to the needed protection height, the applicability can be improved, personnel operation is facilitated, and convenience is improved; and the baby can be prevented from climbing out of the bed, so that the injury caused by climbing and falling can be reduced.

The utility model discloses a yarn winding forming device relates to yarn winding technical field, including bottom plate, support block, first fixed plate, first motor and winding roller, the right side of bottom plate top is provided with second fixed plate, the top of winding roller is provided with the apron, the right side fixed connection of apron has the connecting block, the top of second fixed plate left side has established first sliding slot, the right side fixed connection of connecting block has the first sliding block. The utility model discloses through setting up second fixed plate, apron, connecting block, first sliding slot and first sliding block, make connecting block with second fixed plate left side top first sliding slot in first sliding block link to each other, make apron can slide up and down along first sliding slot, carry out pressure to the yarn of different thickness, solved in the current yarn winding forming process, when completing winding, cut off the operation to yarn end, will make the yarn in the package body lose inherent tension, and then cause the problem of loose yarn structure.

The utility model discloses a transfer car for circuit board production, including bottom plate, and the both ends fixed connection two support columns of bottom plate, and four support columns are rectangular distribution, and the bottom plate includes frame, placing plate and two adjusting grooves, and placing plate slidingly sets up on the frame, and two adjusting grooves are fixedly connected with the both ends of frame respectively, a plurality of longitudinal distribution is adjusted board and a top plate same with its structure above bottom plate, and the top plate is located above a plurality of adjusting board, and the adjusting board and top plate all are slidingly connected with four support columns, lifting assembly, and two lifting assemblies are symmetrically equipped with on every frame top near both ends place, the transfer car in the utility model cooperates through the unique lifting assembly and adjusting assembly, has realized the flexible adjustment of adjusting board and top plate height. The handle of rotating adjusting assembly, worm drives worm wheel to rotate, and then makes screw column group rotate, drives threaded sleeve to move along screw column, and the transmission of connecting rod realizes the lifting of adjusting board and top plate.

This invention discloses a highly efficient composite solubilizer for the hydration of butene to sec-butanol, belonging to the field of chemical process technology. Its composition includes: 0-60 parts of a polyether-based polymeric surfactant, 15-35 parts of a highly polar aprotic solvent, and 10-20 parts of a co-catalyst. The main solubilizing component of this invention disperses oily butene into extremely small droplets, allowing it to mix uniformly in water, thereby increasing the surface area for the reaction. The co-solvent, as the main component, provides a stable environment, ensuring that this highly mixed state is maintained for a certain period. The added additives, possessing both water and oil solubility, facilitate smoother dissolution of the mixture and help the reactants quickly contact the active sites of the catalyst. This accelerates the reaction rate of butene and water, significantly improving the efficiency of the one-time conversion to sec-butanol and greatly saving the large amount of energy required for material recycling.

The utility model belongs to the technical field of electrical assembly, and discloses a cable threading structure and an environmental test box. The environment test box comprises a box body and a cable threading structure, the cable threading structure comprises a threading piece, a fixing assembly and a blocking assembly, the threading piece is provided with a threading hole penetrating through the first side wall and the second side wall of the threading piece, a cable can penetrate through the threading hole, the inner wall of the threading hole is provided with a heat insulation piece, the fixing assembly comprises a first fixing piece, a second fixing piece and an attaching piece, and the attaching piece is fixedly connected with the fixing assembly. The first fixing piece and the second fixing piece can be buckled with each other, at least one of the first fixing piece and the second fixing piece is fixedly arranged on the first side wall, the threading hole can be blocked when the first fixing piece and the second fixing piece are buckled, the attaching pieces oppositely arranged on the first fixing piece and the second fixing piece can deform and fix a cable, and the blocking assembly is arranged on the second side wall and used for blocking airflow or impurities from passing through the threading hole. The threading piece is arranged to be a wall face of the box body, and a cable can penetrate into or out of the box body through the cable threading structure. The problems of heat accumulation, air leakage, condensation and signal interference can be solved, and the test reliability of the environment test box is improved.

The utility model discloses a straw treatment device for edible mushroom cultivation, and belongs to the technical field of straw treatment. The sorting and conveying mechanism is mounted in the crushing box and comprises two groups of symmetrically mounted conveying belt assemblies; directional blocks which are matched with each other are arranged on the conveying surfaces of the two groups of conveying belt assemblies; the driving mechanism comprises a driving motor and a transmission system; the cutting mechanism is arranged at the downstream of the sorting and conveying mechanism and comprises a fixed cutter and a rotary cutter assembly matched with the fixed cutter; and the directional block and the speed difference of the two groups of conveying belt assemblies have a synergistic effect, so that the straws enter the cutting mechanism after being adjusted to be in a state that the axial direction is consistent with the conveying direction in the conveying process. According to the straw treatment device for edible mushroom cultivation, the two conveying belt assemblies operate at different linear speeds, the speed difference is formed, straw can be automatically adjusted to be in the state that the axial direction is consistent with the conveying direction and then enters the cutting mechanism, and the uniformity of the length of the cut straw is improved.

The present application relates to the technical field of fruit and vegetable ripening, and specifically provides a sterile grading fruit and vegetable ripening control method and system, which comprises the following steps: conveying fruit and vegetables to be ripened to corresponding ripening units according to initial ripeness, and setting corresponding ripening parameters for the ripening units according to the initial ripeness; starting the ripening units, controlling the operation of the ripening units according to the ripening parameters, and starting a sterile maintenance assembly to maintain a sterile environment in the ripening units; obtaining environmental parameters and fruit and vegetable state data of the ripening units, and dynamically adjusting the operation of the ripening units according to the environmental parameters and fruit and vegetable state data; and when the fruit and vegetables in the ripening units reach target ripeness, controlling the corresponding ripening units to stop operating. The present application can realize precise ripening of fruit and vegetables with one set of parameters, avoid the problems of over-ripening or insufficient ripening caused by centralized ripening, and ensure that fruit and vegetables of the same grade have consistent ripeness, uniform taste and unified color.

This utility model discloses a portable lure box structure, relating to the field of fishing tackle accessories technology. It includes a box body, which is formed from a single piece of material and sealed at one end. A fixing chain is threaded through the top end of the box, and a live fish buckle is threaded through the end of the fixing chain away from the box body. An inner sidewall near the sealed side of the box body has a sloped surface, sloping towards the top of the box body away from the fixing chain. A horizontally penetrating drainage hole is opened at the top of the sealed sidewall of the box body, communicating with the interior of the box body. In this utility model, through the integrated structure combined with the design of the fixing chain and live fish buckle, the user can directly hang the lure box on their waist. This design allows anglers to walk, move fishing spots, or perform other operations without needing to use their hands to retrieve the lure box, freeing up their hands and making it easier and more convenient to carry. This greatly improves the convenience and flexibility of fishing activities. The drainage hole facilitates the discharge of excess water, preventing water accumulation inside the lure box.

The present application belongs to the technical field of biological sample storage, and specifically provides a biological sample storage library. The present application aims to solve the problem that the existing automated storage equipment is prone to sample damage due to tube picking operation in the process of accessing the cryopreservation tube. To this end, the biological sample storage library of the present application comprises a box body, a lifting transfer device, a code scanning device, a tube picking device and a cryopreservation box transfer device. The box body has a storage room, a tube picking room and a sample receiving room. The tube picking room is connected with the storage room. The sample receiving room is above the tube picking room and is connected with the tube picking room through a first inlet and outlet. The sample receiving room is connected with the external environment of the box body through a second inlet and outlet. The lifting transfer device is installed in the sample receiving room. The code scanning device, the tube picking device and the cryopreservation box transfer device are installed in the tube picking room. The tube picking room of the present application is connected with the storage room, so that the temperature of the tube picking room and the storage room is consistent, and the sample will not be inactivated during the tube picking operation, thereby reducing the risk of sample inactivation.

This utility model discloses a window opening height limiting mechanism and a fume hood having the same mechanism, relating to the field of fume hood technology. The window opening height limiting mechanism includes a housing with an opening groove inside. A window limiting switch is movably disposed within the opening groove. The top of the window limiting switch is hinged to the housing. A return spring is provided on the back of the window limiting switch. The window limiting switch has a limiting protrusion protruding outward from the opening groove. When the return spring is compressed, the limiting protrusion of the window limiting switch retracts into the opening groove. Applying the above-mentioned window opening height limiting mechanism to a fume hood, by limiting the opening height of the window, ensures that laboratory personnel maintain a safe distance from hazardous substances inside the fume hood during operation, preventing the large-scale overflow of toxic and harmful gases, aerosols, etc., reducing the risk of laboratory personnel coming into contact with harmful substances, and avoiding harm from chemical substances.

The utility model belongs to the technical field of insulating shell, specifically is a kind of moisture-proof insulating plastic shell, including shell, the shell bottom is equipped with multiple round pipe grooves, multiple The round pipe grooves are linearly arranged, the shell bottom is connected with insulating shell, the insulating shell top is equipped with recess, the shell can be placed in recess, the insulating shell side wall is equipped with first slot, the first slot side wall is equipped with second slot, the first slot and second slot are symmetrically arranged, the first slot and second slot hole size are greater than the depth of round pipe groove, the insulating shell bottom is fixedly connected with multiple mounting holes, multiple The mounting hole is symmetrically arranged, the shell bottom inner side wall is fixedly connected with multiple fixing base, multiple The fixing base is diagonally arranged, the shell bottom is equipped with multiple round pipe grooves, water can flow along round pipe groove by round pipe groove, prevent water to remain on the side wall of shell.

The utility model discloses a combined type bioreactor, including bottom plate, transparent bucket body, sealing end cover, support plate, fixed flow guide cylinder, movable flow guide cylinder, fixed link, arc connecting plate, control ring, air distributor, air inlet pipe and stirring mechanism. Transparent bucket body installs on the bottom plate, and the top is sealed through the sealing end cover, and support plate installs in the center of bottom plate and supports fixed flow guide cylinder, and the movable flow guide cylinder of adjustable height is equipped with on the flow guide cylinder top, and movable flow guide cylinder realizes height locking through fixed link and control ring. Air distributor is equipped below fixed flow guide cylinder, and is connected with external air inlet pipe, realizes even gas dispersion. Motor drives stirring rod to carry out mechanical stirring, promotes culture solution circulation and mixes. The structure can flexibly adjust flow guide cylinder position according to liquid level height, improves mixing uniformity and oxygen utilization efficiency, enhances operation adaptability and sealing safety, is applicable to microbial culture and reaction under different working conditions.

The application discloses an oil-water separation device with a spiral flow guide plate and relates to the technical field of petroleum refining equipment. The oil-water separation device comprises a dehydration tank, a spiral flow guide plate and a cleaning assembly. The dehydration tank is fixedly arranged on the ground. A dehydration cavity is vertically arranged in the dehydration tank. Positioning blocks are fixedly arranged on the inner side wall of the dehydration cavity. A feeding pipe is arranged at the upper end of the dehydration tank. A medicine feeding pipe is arranged at the upper end of the dehydration tank. An oil outlet pipe is horizontally fixedly arranged on the periphery of the dehydration tank. An oil outlet valve is arranged on the oil outlet pipe. The spiral flow guide plate is rotatably arranged in the dehydration cavity. The outer side of the spiral flow guide plate is attached to the inner side wall of the dehydration cavity. The height of the spiral flow guide plate is higher than that of the positioning blocks. The positioning blocks provide support force for the spiral flow guide plate. The cleaning assembly is arranged on the dehydration tank. The cleaning assembly can clean the impurities accumulated on the spiral flow guide plate. The application has the effect of reducing the problem that the oil-water separation device is easily blocked by impurities.

The utility model discloses a chick heat preservation henhouse for laying hen breeding, and relates to the technical field of laying hen hatching equipment, the chick heat preservation henhouse comprises a henhouse main body and a chick heat preservation unit arranged in the henhouse main body, the chick heat preservation unit comprises a vertical cabinet type support, drawer guide rails arranged in the vertical direction are arranged in the vertical cabinet type support; the layered drawer type chick trays are installed on the drawer guide rails in a drawable mode, and the bottom of each layer of chick tray is provided with an excrement leaking net; the manure receiving plates are arranged below each layer of the chick trays in a drawable mode, and a light supplementing and heat preservation device is integrated at the bottom of each manure receiving plate; the water feeding system is arranged on the back of the vertical cabinet type bracket; and the control module is used for independently adjusting the temperature and illumination parameters of each layer of light supplementing and heat preservation device. By means of the vertical cabinet type support and the drawer type layered design, three-dimensional breeding layout is achieved, a large amount of space is saved compared with a traditional plane breeding mode, the light supplementing and heat preservation device which is independently controlled is arranged above each layer of chick tray, and a stable environment is provided for chicks.

This utility model discloses a highly airtight magnetic self-locking coffin structure, belonging to the technical field of magnetic self-locking coffins. It includes a coffin body, with a cover plate installed on the upper surface of the coffin body. A magnetic self-locking assembly is installed between the coffin body and the cover plate, and a protective assembly is installed inside the coffin body. The magnetic self-locking assembly includes multiple mounting slots inside the coffin body. Multiple mounting blocks matching the mounting slots are fixedly connected to the lower surface of the cover plate. Through the cooperation of magnetic blocks one, two, three, and four, precise alignment of the cover plate and the coffin body can be achieved, simplifying the installation operation. Simultaneously, the cooperation of the mounting slots, mounting blocks, positioning slots, positioning blocks, and a return spring forms a mechanical lock, constructing a multi-layered and stable locking system to prevent accidental opening of the cover plate. The tight filling of the gap between the cover plate and the coffin body by the sealing gasket effectively isolates air, moisture, and dust, ensuring a stable environment inside the coffin.

This utility model provides a constant temperature chamber for culturing oligomannose, relating to the field of constant temperature chambers for culturing oligomannose. It includes a constant temperature chamber assembly comprising a chamber body, an inner liner fixed to the upper layer of the chamber's inner cavity, a duct fan fixed to one side of the inner liner, and an air intake assembly comprising an air intake box fixed to the lower layer of the chamber's inner cavity, an air intake fan located on one side of the air intake box, an air intake pipe located at the top of the air intake box, and a filter screen located within the air intake box's inner cavity. This utility model, through the coordinated operation of the constant temperature chamber assembly, air intake assembly, heating assembly, recovery assembly, and temperature control assembly, achieves precise temperature control and effective heat recovery during the oligomannose culturing process. The constant temperature chamber assembly provides a stable space for cultivation, the air intake assembly ensures clean air intake, the heating assembly provides the necessary temperature conditions, and the recovery assembly uses a centrifugal fan to recover and reheat the hot air in the inner liner, greatly improving the efficiency of heat energy utilization.