11 results about "Laboratory technique" patented technology

The application belongs to the technical field of laboratory and discloses a laboratory waste material safe collecting barrel, which comprises a collecting barrel mechanism, the collecting barrel mechanism is composed of a top cylinder mechanism, a middle cylinder mechanism and a wastewater tank, after the collecting barrel mechanism collects the concrete chunks after detection, a motor drives a main shaft rod, the main shaft rod rotates clockwise, under the condition that the main shaft rod rotates clockwise, an inner thread sleeve located at the top F area of the main shaft rod moves downward through the inner wall ball rod sleeve located on the surface of the main shaft rod and rotates clockwise, the inner thread sleeve drives the grinding mechanism to rotate and move downward to the inside of the sliding rod during the downward movement, and then the grinding mechanism drives the grinding gear to grind the broken concrete in the shaking material mechanism, so that the broken concrete is effectively crushed and the internal aggregate is quickly dispersed and extracted.

The utility model discloses a 10kV broken line grounding fault simulation real-model laboratory, which belongs to the technical field of simulation laboratories, and comprises a laboratory main body, two air inlet bellows are arranged on the laboratory main body, the inner wall of each air inlet bellows is fixedly connected with an air inlet fan, one side of each air inlet bellows is provided with a shutter air frame, and the other side of each air inlet bellows is provided with an air outlet fan. An air inlet filter box is arranged on the side, away from the shutter air frame, of the air inlet air box. According to the 10kV broken line grounding fault simulation real-type laboratory, the mounting base, the spring, the clamping block and the air inlet filter screen are arranged, the clamping block is stored in the clamping frame, the spring between the clamping frame and the clamping block is extruded, the spring generates relative elastic force, extrusion on the clamping block is canceled after the mounting base enters the laboratory main body, and the clamping block is prevented from being damaged. And then the spring drives the clamping block to reset through the elastic force to limit the mounting seat, so that the air inlet filter screen on the mounting seat is quickly assembled, and the replacement efficiency of the air inlet filter screen is improved.

The invention discloses an intelligent comprehensive management method for laboratory instruments and equipment, and relates to the technical field of laboratories. The method comprises the following steps: acquiring experimental equipment data, experimental course data and experimental user data, and constructing an experimental mapping table by taking a timestamp as a correlation axis; based on the experiment mapping table, calculating an equipment effective utilization rate, equipment unit output energy consumption, an equipment capability matching index and an equipment fluctuation idle index, and combining into an equipment feature vector; carrying out KMEANS clustering to obtain an equipment cluster, analyzing a feature deviation degree, and generating an equipment cluster label in combination with an equipment feature distribution threshold value of a quartile method; inputting the equipment feature vector and the equipment clustering tag into a long short-term memory network model, outputting to obtain a predicted equipment feature vector, and calculating the difference between the predicted equipment feature vector and the equipment feature vector to obtain a difference equipment feature vector; and comparing the difference equipment feature vector with a preset difference vector threshold, and if the difference equipment feature vector is greater than the preset difference vector threshold, adjusting the equipment.

This invention discloses a general-purpose intelligent magnetic stirrer for chemical laboratories, belonging to the field of chemical laboratory technology. It includes: a constant current source circuit for providing a stable current to the speed control knobs; a microcontroller with a built-in ADC module that sequentially collects the resistance values ​​of each speed control knob via DMA and generates corresponding PWM waves based on the resistance values; a brushless DC motor whose speed is controlled by the PWM waves generated by the microcontroller, and whose speed feedback line is connected to the microcontroller through an isolation circuit to achieve PID closed-loop control; an aluminum alloy stirring platform equipped with eight independently operating motors and the speed control system; and a communication interface enabling a host computer to intelligently control the stirrer. This invention ensures more accurate collection of resistance values, thereby improving the accuracy of motor speed control. This accuracy is particularly important for experiments requiring long-term, continuous, and uniform stirring.

This invention provides a multi-component liquid dispensing system, relating to the field of biopharmaceutical laboratory technology. It comprises a liquid delivery system, a quantitative system, an error-prevention system, and supporting software. The liquid delivery system includes a main base, a peristaltic pump module, and an upper tube rack. The peristaltic pump module is fixedly connected to the top of the main base. A precision balance is mounted on the upper part of the main base. A side Z-shaped slide rail is symmetrically fixedly connected to the top of the main base. An upper connecting bracket is fixedly connected to the middle of the side Z-shaped slide rail. A positioning column is slidably connected to the upper end of the upper connecting bracket. A central support spring is fixedly connected between the positioning column and the upper connecting bracket. A tube rack is fixedly connected to the middle of the main base. This invention enables automatic liquid addition and quantitative dispensing, avoiding errors caused by missed additions, duplicate additions, and manual addition. It replaces most manual operations and solves the problems of high workload, inter-bottle and batch variations, and difficulty in maintaining product formula confidentiality during large-scale product preparation.

This application discloses a nitrogen pollution monitoring and switching device for chemical laboratory pipelines, relating to the field of chemical laboratory technology. It includes a gas-consuming mechanism, a supply mechanism, an analysis mechanism, and a bypass mechanism. The input end of the gas-consuming mechanism is connected to the output end of the supply mechanism, a bypass mechanism connects the supply mechanism and the gas-consuming mechanism, and the analysis mechanism is electrically connected to the supply mechanism. The gas-consuming mechanism is used for laboratory sample analysis, the supply mechanism supplies nitrogen to the gas-consuming mechanism, the analysis mechanism analyzes and monitors the nitrogen supplied by the supply mechanism, and the bypass mechanism provides auxiliary treatment for the nitrogen. This application achieves multiple safeguards for nitrogen supply and efficient treatment of contaminated nitrogen through the coordinated setting of the main path, processing and storage path, and secondary path, combined with the precise monitoring of an online analytical chromatograph and the automatic control of the switching controller.

The utility model relates to the technical field of biological laboratories, and provides a waste treatment device for a biological laboratory, which comprises a base, the front side of the base is connected with a filter screen, the front side of the filter screen is provided with a ventilating fan, and a placing box is connected to the right upper end of a glass cover. The lower end of the placing box is sequentially connected with a feed pipe and a water pipe from front to back, the glass cover is integrally installed at the upper end of the base, the inner wall of the upper end of the base is integrally connected with a grid, the food box is installed at the upper right end of the base, and the right side wall of the food box is sequentially connected with the feed pipe and the water pipe from front to back; the rotating shaft is rotationally connected to the inner wall of the feed pipe, and the control structure is installed in the containing box. According to the waste treatment device for the biological laboratory, waste generated during biological feeding can be conveniently and uniformly collected and deodorized, meanwhile, feed can be conveniently and automatically added, and the environment of the laboratory is prevented from being polluted.

The invention relates to the technical field of simulation laboratories, and discloses a simulation laboratory mounting base based on a ship body and a using method thereof.The simulation laboratory mounting base comprises a scientific investigation ship, the scientific investigation ship is provided with a lifting mechanism, the lifting mechanism is used for driving the base to ascend and descend, and the lifting mechanism is connected with a clamping mechanism; the clamping mechanism is used for clamping the base, so that a laboratory can be installed, damping can be carried out on the laboratory, in the damping process, the motion state of the ship body and the motion state of the laboratory can be measured in time, timely active damping compensation can be conveniently carried out, and the service life of the ship body is prolonged. Damping protection in multiple aspects is achieved, and a laboratory is better protected; the laboratory can be installed, automatic movement can be achieved, the laboratory can move to the corresponding position, installation is convenient, manual carrying is not needed, self-locking can be achieved after installation, and stability is high.

The utility model discloses a hot fluorine defrosting system for a laboratory, which comprises a shell and tube condenser, a compressor, an indoor evaporator and an outdoor evaporator, and a hot fluorine defrosting mechanism is arranged among the shell and tube condenser, the compressor, the indoor evaporator and the outdoor evaporator. The hot fluorine defrosting mechanism comprises a liquid supply pipeline which is installed on one side of the shell and tube condenser and connected with the indoor evaporator and the outdoor evaporator, and a first automatic ball valve is installed on the liquid supply pipeline. Relates to the technical field of enthalpy difference laboratories. According to the hot fluorine defrosting system for the laboratory, due to the arrangement of the hot fluorine defrosting mechanism, the shell and tube condenser of the system does not participate in work during defrosting, the outdoor evaporator is used for condensation instead of the shell and tube condenser, heat of an indoor test room is carried to the outdoor evaporator by the whole system, and the heat of the indoor test room is saved. A large amount of condensation heat is released to the outdoor evaporator, defrosting is thorough and rapid, the temperature rise of a room is extremely small, the defects that in a traditional defrosting mode, defrosting is not thorough, and consumed time is long are overcome, and the purpose of rapid defrosting is achieved.

The utility model discloses a laboratory clean bench with adjustable height, which belongs to the technical field of laboratories and comprises a base, a driving motor is fixedly mounted on the inner wall of the bottom surface of the base, a hydraulic rod is fixedly mounted at the output end of the driving motor, and a disinfection component is arranged in a bench body. A cleaning assembly is arranged in the disinfection assembly; according to the disinfection device, the disinfection assembly is arranged, at the moment, a handle on a fixing box drives the fixing box to move, when an ejector rod extrudes an extrusion plate, the extrusion plate drives an extrusion rod on a fixing block to move synchronously, and then disinfectant in a water bag is extruded into a water pipe; according to the movable disinfection device, the area needing to be disinfected can be rapidly disinfected through movable disinfection, the time needed in the preparation and disinfection process is shortened, the steps of the disinfection process are reduced, operation is easy and convenient, the time of workers is saved, and the working efficiency of experiments is improved.

The utility model discloses an assembly type sterile laboratory, which relates to the technical field of sterile laboratories and comprises a laboratory body, a protective door is mounted on the outer wall of the laboratory body, a door handle is mounted on the front side of the protective door, and a high-pressure sterilization pot is mounted at the bottom end of the inner side of the laboratory body. And one side of the high-pressure sterilization pot is attached to the inner wall of the laboratory body. By the adoption of the structure, air circulation in the laboratory body can be guaranteed through the ventilation opening, the two baffles can block circulating air in a winding mode, the circulating air enters the laboratory body in a winding mode, in the air winding process, the filtering plate can effectively filter the circulating air, and therefore the ventilation effect of the laboratory body is improved. Furthermore, the isolation efficiency of the filter plate on dust or pollutants in the air can be effectively improved, the situation that a sterile state cannot be achieved in the laboratory body can be avoided, and in order to avoid displacement of the baffle, a limiting block is inserted into a limiting groove according to the sliding principle.