18results about How to "Reduced strength" patented technology

The utility model belongs to the technical field of spraying disinfection of sterilization cabinets, and particularly relates to a sterilization cabinet with a spraying function, which comprises a spraying component, a protective shell component is mounted at the bottom of the spraying component, and an adjustable support plate component is mounted in the protective shell component; the spraying assembly comprises a pesticide storage tank, a motor is fixedly connected to the top of the pesticide storage tank, a connecting rod is fixedly connected to the top of the motor, a stirring rod is fixedly connected to the outer wall of the connecting rod, a connecting pipe is fixedly connected to the side of the pesticide storage tank, and a water pump is fixedly connected to the end of the connecting pipe. The side of the water pump is fixedly connected with a liquid outlet pipe, one side of the liquid outlet pipe is fixedly connected with a fixing clamp, and the other side of the liquid outlet pipe is in threaded connection with a spray head. Threaded connection has good sealing performance, liquid medicine can be prevented from leaking in the conveying process, the stability of liquid medicine spraying pressure is guaranteed, and then the spraying range and strength can be effectively controlled.

The utility model discloses a support hanger system for a pipeline system, which comprises an upper cross beam, a plurality of groups of mounting seats are detachably fixed at the lower end of the upper cross beam through bolts, and mounting frames are fixed at the lower ends of the mounting seats. According to the support and hanger system for the pipeline system, when the support and hanger system is used for hoisting a used pipeline in the pipeline system, the installation base is fixedly installed on the upper cross beam in a threaded mode, after installation and fixation, the pipeline is locked and fixed through the locking assembly, and in the locking and fixing process, the pipeline is locked and fixed through the locking assembly. Through mutual cooperation of the supporting assembly and the recognition assembly, an operator can judge the supporting force of the supporting plate on the pipeline in the locking and fixing process by observing the rotation degree of a pointer, the supporting strength can be effectively controlled, the situation that the pipeline is deformed or even damaged due to the fact that the locking force is too large is avoided, and use of a pipeline system is facilitated.

This invention discloses a high-crack-resistant cement-fly ash stabilized base course material, belonging to the field of road engineering technology. The material comprises the following components by mass percentage: 2.0-3.0% cement, 16-20% fly ash, and the balance being stabilized aggregate. The cement is an external admixture, the fly ash is an internal admixture, and the gradation of the stabilized aggregate conforms to the specifications of CF-A-2L or CF-A-2S in JTG / T F20-2015. This invention, by adopting a "low cement, high fly ash" mix design, controls the 7-day unconfined compressive strength within a reasonable range of 3.5-4.5 MPa, effectively avoiding the problem of regular transverse cracks in the base course caused by excessively high early strength. Simultaneously, the high fly ash content ensures the continuous growth of the material's later strength, with its 21-day unconfined compressive strength remaining stable above 6 MPa. Its overall performance is superior to the mix ratios recommended by current standards. This invention is particularly suitable for highway base course construction in arid regions with large temperature differences, such as Xinjiang.

The utility model relates to the technical field of balm boxes, in particular to a balm box which comprises a box body, a bracket is integrally formed at the bottom of the box body, a split charging box is integrally formed at the top end of the bracket, a top ring is integrally formed at the top end of the box body, a cover body is sleeved at the bottom of the top ring, and an elastic hanging ring is integrally formed at the bottom of the cover body. The bottom of the elastic hanging ring is sleeved with a rotary disc. The packaging box has the advantages that the reserved opening is formed in the top face of the cover body, and the embedding groove and the sealing ring are arranged at the top end of the packaging box, so that a user can place insect expelling paste or paste of other types according to needs. When the pasty fluid needs to be used, the chock plug only needs to be pulled away from the reserved opening; and when the paste does not need to be used or the volatilization speed needs to be controlled, the chock plug can be inserted back into the reserved opening or partially inserted, so that the through hole leaks from the reserved opening, and the controllability of the volatilization of the paste is realized. By means of the design, the function range of the balm box is expanded, and the using flexibility and convenience of the balm box are improved.

The utility model relates to the technical field of filling bottle dust removal devices, and discloses a filling semi-finished product bottle dust removal device which comprises a conveying table, a fixing table is fixedly connected to the side wall of the conveying table, an air compression assembly is arranged at the bottom of the fixing table, and the air compression assembly comprises an air compression pump and an output pipe. The air compression pump is arranged at the bottom of the fixing table, the multiple output ends are fixedly connected to the multiple output ends of the air compression pump, the top of the air compression pump is rotationally connected with a pressure adjusting knob, and a bottom groove is formed in the conveying table. According to the utility model, high-pressure air flow is provided for the side wind blade and the lower wind blade on the two sides of the fixed table through the air compression pump and the output pipes, the output pressure of the air compression pump can be adjusted by the pressure adjusting knob, so that the intensity of the air flow is controlled, and when the air flow passes through the side wind blade and the lower wind blade, strong wind blows away dust and particles on the surface of a bottle body; therefore, the bottle surface is clean, and the uniformity and high efficiency of the dust removal effect are ensured.

The utility model provides a meat product smoking device which comprises a smoking machine, and the smoking machine comprises a smoking box, a circulating fan and a smoke exhaust port; a cooling cavity is fixed to the top of the inner wall of the smoking box and comprises a motor, an output shaft, a threaded rod, a disc, three fan blade plates and a filter screen; the circulating fan is provided with an air inlet pipe and an air outlet pipe, the air inlet pipe and the air outlet pipe are both connected with a smoking box pipeline, the smoke exhaust port is connected to the upper portion of the smoking box and used for exhausting smoke and gas, a through hole is formed in the bottom of the cooling cavity, the filter screen is located in the through hole, and the motor is fixedly installed at the top of the inner wall of the cooling cavity. The disc is connected with an output shaft through a threaded rod, and the output shaft is fixedly connected with the output end of the motor. The device solves the problem that the pressed salted duck is scalded when being taken due to the fact that the pressed salted duck cannot be fully cooled after being smoked at present.

The application discloses a direct-current motor with a temperature control function, and relates to the technical field of direct-current motors, which comprises a shell module, a power cavity and a driving motor.

In some embodiments, the display device includes an anti-reflective pattern or columnar spacer disposed between the light-emitting diode and the diaphragm layer and comprising a blue colorant. Blue light reflected from the anti-reflective pattern or columnar spacer is almost imperceptible. Image quality can be improved by preventing rainbow spots (or blotches) caused by reflections of external light. Since blue light emitted from the light-emitting diode can pass through the anti-reflective pattern and / or columnar spacer, the light intensity emitted from the light-emitting diode can be increased.

The application relates to the technical field of electric vehicles, in particular to a charging port identification method and device, computer equipment and a storage medium. The method comprises the following steps: obtaining an image to be identified; wherein the image to be identified contains a charging cover corresponding to a charging port of a device to be charged, the charging cover comprises a convex part and a flat part; obtaining actual position information of the charging cover according to the light reflection of each pixel point in the image to be identified; collecting a target electromagnetic wave signal emitted by an antenna installed at the charging port according to the actual position information of the charging cover; and determining target position information of the charging port according to the target electromagnetic wave signal. The method can improve the identification accuracy of the charging port.

The application is suitable for the technical field of agricultural monitoring, and particularly relates to a smart agricultural monitoring method and system.The method comprises the following steps: delimiting a target area requiring disease and pest monitoring, and dividing the target area into a plurality of sections, selecting monitoring points, irradiating the sections by using light source devices previously arranged at the monitoring points, and clustering the light source devices into a fixed group and an adjustable group; starting the light source devices of the fixed group, collecting spectral reflectance data at each monitoring point, wherein each wave band corresponds to a reflectance, drawing a plurality of spectral curves, and identifying the change trend of each spectral curve.The application can adjust the irradiation angle, optimize the light coverage, reduce the monitoring dead angle, meet the monitoring requirements of different leaf orientations and plant structures, greatly improve the monitoring accuracy, and improve the disease and pest control efficiency and intelligent level of crops.

A double-shell tank 2A according to one embodiment includes a spherical inner shell 3 storing a liquefied gas and an outer shell 4 enclosing the inner shell 3. A space between the inner and outer shells 3 and 4 is filled with a boil-off gas generated by evaporation of the liquefied gas.

The application discloses a gel microsphere profile control agent with salt response characteristics and a preparation method and application thereof, and the preparation method comprises the following steps: uniformly mixing an anionic monomer, a cationic monomer, acrylamide, persulfate, sodium dodecyl sulfate and deionized water, and adjusting to neutral to obtain a first mixed solution; adding oil-soluble methyl beta-acryloyloxy octadecyl propionate into the first mixed solution, stirring to a transparent and uniform state to obtain a second mixed solution; dispersing the second mixed solution into a plurality of microdroplets by using a microfluidic technology, and solidifying the microdroplets by a polymerization reaction to form a plurality of microspheres. The application utilizes the strong anti-polyelectrolyte phenomenon of zwitterions to polymers in salt water, the association of hydrophobic groups and the ionic bond action between anions and cations, realizes real-time regulation and control of the performance of the gel microspheres, improves the stability of the gel microspheres in a long-term migration and plugging process, and greatly improves the water injection development effect of a heterogeneous oil reservoir.

The invention belongs to the technical field of power system control, and particularly relates to an oil field well site direct current micro-grid source load storage control system and an energy storage current converter and alternating current bus current converter control method in the oil field well site direct current micro-grid source load storage control system. An energy storage system current converter adopts double closed-loop control of a voltage outer loop and a current inner loop, and a current reference value in the double closed-loop control is obtained by the following method: inputting a ratio of a bus voltage measured value and a reference value of an oil field well site direct current micro-grid and the reference value of the ratio into a linear expansion state observer to obtain an observation result; and inputting an observation result into a global fast terminal sliding mode controller to obtain a current reference value. The linear expansion state observer and the global fast terminal sliding mode controller are adopted for composite control, the method can adapt to the multi-load cooperation working condition of the direct-current microgrid source load storage system of the oil field well site, and the stability and robustness of the system are improved.

Provided is a joint of a copper terminal and an aluminum conductor. A copper terminal connecting member of the joint is connected to a conductive core of the aluminum conductor by means of a transition welding layer, and the joint can also be provided with a reinforcing welding layer. Further provided is a method for preparing the joint using plasma arc welding. According to the invention, the connection portion of the copper terminal with the aluminum conductor is filled with solder in a plasma arc welding manner, such that copper and aluminum are connected by means of the solder. Damage to an aluminum oxide layer during welding increases the conductivity and can also isolate the copper terminal and the aluminum conductor, thus preventing an electrochemical reaction between the copper and the aluminum, prolonging the service life of the joint of the copper terminal and the aluminum conductor, and ensuring the mechanical and electrical performance of the connection structure.

The invention discloses an electric low-altitude aircraft airbag triggering method and system based on deep reinforcement learning. The method comprises the steps of collecting multi-dimensional time sequence data of an aircraft in real time and constructing a state matrix; inputting the data into a pre-trained deep reinforcement learning decision model, extracting spatial features between sensors by the model by using CNN, extracting time sequence evolution features by using LSTM, and learning a continuous action strategy through a DDPG algorithm; and the model outputs an optimal airbag triggering action instruction. According to the method, the model is trained through the high-fidelity instability simulator, so that the instability precursor in a complex flight environment can be accurately identified, advanced and differentiated triggering of the airbag array is realized, the problems of lagging and high false triggering rate of a traditional threshold method are solved, and the crash survival rate of the low-altitude aircraft is greatly improved.

The utility model discloses a fire extinguishing device for a mine. The fire extinguishing device comprises a frame structure, a liquid storage tank, a bracket, a bottom spraying arm assembly and a central sleeve, an electric walking wheel assembly is installed at the bottom of the frame structure, and a control system is installed on the frame structure. The liquid storage tank is mounted at the top of the frame structure, and a liquid pumping assembly is mounted at the bottom of the liquid storage tank; the support is installed on the side wall of the frame structure, and two symmetrically-arranged translation assemblies are installed on the support. The bottom spraying arm assembly is fixedly installed at the bottom of the support and communicates with the liquid pumping assembly. The center of the center sleeve is fixedly installed on the support, the center sleeve is communicated with the liquid pumping assembly, the two sides of the center sleeve are connected with the extended spraying arm assemblies in a sliding mode, and the extended spraying arm assemblies are communicated with the center sleeve. The position of the spraying arm assembly can be flexibly adjusted and extended, so that the spraying range and the fire extinguishing coverage range are expanded, fire extinguishing in a large range in a mine is achieved, and the fire extinguishing effect and efficiency are improved.

The utility model relates to the technical field of optical fiber laser, specifically relates to a kind of based on phase continuous sweep frequency optical fiber laser, including shell, the inside one side of shell is fixedly installed with the multimode pump transmitter for emitting laser source, the output end of multimode pump transmitter is provided with phase modulator, the other end of phase modulator is provided with first fiber grating, the one side of first fiber grating away from phase modulator is connected with optical fiber body, the other end of optical fiber body is fixedly connected with second fiber grating, the other side of second fiber grating is fixedly connected with the multimode pump coupler of emission gain rear laser.Compared with prior art, the utility model, by being provided with first fiber grating and second fiber grating cooperate optical resonant cavity, and in optical resonant cavity outer wrapping heat pipe, the frequency of stable optical resonant cavity is ensured the stability of laser output frequency, and optical path length drift caused by heat effect can be reduced.