60results about How to "Save experimental space" patented technology

The invention relates to a portable vortex and centrifugation integrated machine. The machine comprises a case, a fixed seat, a motor, a connecting shaft, a vortex device and a centrifugation device, wherein the fixed seat is connected with the case, the motor is fixed on the fixed seat, and an output shaft of the motor is connected with the vortex device or the centrifugation device through the connecting shaft. According to the machine, the vortex device and the centrifugation device are designed, the brushless DC motor is adopted to drive the vortex device or the centrifugation device to rotate, when oscillating and mixing processing for reagents and solutions is needed, the vortex device is connected with the brushless DC motor, when centrifugation is needed, the vortex device is replaced by the centrifugation device, the machine combines the centrifugation function with the vortex function and is dual-purpose, and experimental space is saved. Simultaneously, the brushless DC motor can reach a set rotating speed instantaneously after being started, the instantaneous rotating speed requirement for vortex can be met, and the rotating speed requirement for centrifugation can be met simultaneously.

The invention discloses a liquid viscosity transmission tester with a hydraulic load device. The liquid viscosity transmission tester with the hydraulic load device comprises an oil supplying system and a simulation load loading system; an oil supplying system loop is connected with an oil supplying oil path coarse filter, a gear oil pump, an overflow valve, a speed regulating valve, a cooler, a liquid viscosity host, a flowmeter and an oil tank in sequence by a hydraulic pipeline. According to the simulation load loading system, a vane pump is adopted to replace the load device to load; the liquid viscosity host drives the load vane pump to work by the connection of a coupler; a simulation load loading system loop is connected with a load oil path coarse filter, the vane pump, a pilot operated compound relief valve and the oil tank in sequence by a hydraulic pipeline. The liquid viscosity transmission tester with the hydraulic load device is suitable for the test research of a liquid viscosity transmission technology, the system is greatly simplified while the basic demands of the test are met, so the system structure is deeply optimized and the design cost and the manufacturing cost are saved; the load loading system is closer to an actual working condition, so the system is more practical and reliable and has broad use value.

The invention discloses an insulating material electrical aging test system, which comprises a control device, a temperature acquisition device and a plurality of aging sample measurement devices. Theaging sample measurement devices are used for connecting a high-voltage power supply to test the temperature of a resistor corresponding to an insulating material sample in real time and sending thetemperature to the temperature acquisition device; the temperature acquisition device is used for acquiring the temperature fed back by each aging sample measurement device in real time; the control device is used for controlling the aging test sample measuring device to disconnect from a high-voltage power supply when the temperature change value between the temperature of any aging test sample measuring device at the current moment and the temperature of the aging test sample measuring device at the previous moment is greater than or equal to a preset temperature change threshold value. Thus, an electrical aging test loop for a plurality of insulating material samples is formed. According to the electrical aging test system for the insulating material, provided by the invention, the electrical aging field intensity can be prevented from being frequently cut off, so that the electrical aging performance test result of each insulating material sample is more accurate.

The invention discloses a railway vehicle air conditioner energy consumption testing device and method and belongs to the field of railway vehicle air conditioner testing. According to the technical scheme, the railway vehicle air conditioner energy consumption testing device comprises an outdoor side testing cell for simulating the environment outside a railway vehicle, a simulation testing box for simulating the environment inside the railway vehicle is placed in the outdoor side testing cell, the simulation testing box is connected with a tested air conditioner unit through an air supply channel and an air return channel, and a heating device and a humidifying device are placed in the simulation testing box so as to simulate thermal loads inside the vehicle. By means of the railway vehicle air conditioner energy consumption testing device and method, the problems that in an existing railway vehicle air conditioner energy consumption test, a real vehicle is needed, the testing time is long, the testing cost is high, and energy and materials are wasted are solved.

The invention belongs to the technical field of natural product purification and relates to an experiment device integrating extraction and water steam distillation separation. The experiment device integrating extraction and water steam distillation separation comprises a water steam generator, a T-shaped tube, a condensing tube, an extractor, a reflux extraction flask and a distillation and purification device. The water steam generator is connected into the reflux extraction flask through the T-shaped tube. The condensing tube is communicated with the reflux extraction flask through the extractor. The reflux extraction flask is communicated with the distillation and purification device. The experiment device integrating extraction and water steam distillation separation can be used in aunited integration way, part of experiment apparatuses of the experiment device can be also independently used, flexible use is achieved according to different experiment requirements, the experimenttime can be saved, the experiment space can be decreased, and the experiment device can be randomly detached and is convenient to clean.

The invention discloses a high-voltage power-frequency AC voltage-withstanding system measuring platform comprising a current-limiting resistor and a measuring mechanism. One end of the current-limiting resistor is equipped with a conductive pole in contact with a test transformer. The other end of the current-limiting resistor is equipped with a connecting seat. The top of the measuring mechanism is equipped with a contact seat in contact and conductive with the connecting seat. The current-limiting resistor is supported by a support table. The support table is fixed to a mobile pedestal through an elevating mechanism. The bottom of the elevating mechanism is fixed to a lateral movement mechanism installed on the mobile pedestal. The current-limiting resistor and a capacitive voltage divider are installed on an electric vehicle frame to form a platform. The platform is adjustable in height, can be conveniently, rapidly, and electrically moved, is simple and convenient in forward and backward operation, achieves the mobility of the system, and optimizes the hall space to the utmost extent. Further, the platform may fast and accurately position a current-limiting resistor connecting part and a test transformer connecting part and saves a plenty of manpower.

The invention provides a magnetic collider and a liquid crystal display panel collision experiment method. The magnetic collider comprises a carrying table, magneton boxes, magnetons, gas pipelines and a gas supply device. The gas supply device can be used for inputting high-temperature gas or low-temperature gas to the magneton boxes through the gas pipelines, environmental degradation in a liquid crystal display panel collision experiment is performed by the inputted high-temperature gas and low-temperature gas, a high-temperature furnace and a low-temperature furnace in the prior art are omitted, experiment space and experiment resources can be saved, energy use ratio is increased, the experiment cost of the liquid crystal display panel collision experiment is reduced, and the experiment efficiency of the liquid crystal display panel collision experiment is improved.

The invention discloses electrical comprehensive practical training equipment which comprises a frame and panels embedded in the frame. The frame is assembled by a plurality of steel sections and a stand column, the lower ends of side panels are connected with the steel sections in a sliding mode, supporting poles are arranged on the side panels, the side panels can rotate around the steel sections to form a reversible supporting table, and the upper ends of the side panels are fixedly connected with the steel sections through bayonet locks. A plurality of thread holes are formed in the steel sections, and a socket is mounted on the stand column. By means of the electrical comprehensive practical training equipment, cost is saved, experiment space is reduced, and correlative simulation operations can be carried out at the same time conveniently.

The invention discloses a multi-specification heat preservation centrifugal pipe support for cell culture. The centrifuge pipe support comprises a centrifuge pipe cavity, a reagent bottle cavity and asupporting heat preservation part, the top of the centrifuge pipe cavity and the top of the reagent bottle cavity are open, the lower portion of the opening is of a solid side wall structure, the centrifuge pipe cavity has three specifications, and 1.5 ml, 15 ml and 50 ml of commonly-used centrifuge pipes can be placed in the centrifuge pipe cavity respectively. 500 ml of reagent bottles with cuboid bottoms can be placed in the reagent bottle cavity, the outer wall of the supporting heat preservation part is in a cuboid shape, the side wall of the combined centrifuge pipe cavity and the sidewall of the reagent bottle cavity are of an integrated structure, the middle is in a vacuum state, and four supporting legs are arranged at the bottom of the supporting heat preservation part. Centrifugal pipes of multiple specifications can be placed, reagent bottles can also be placed, the experiment space is saved, and experimenters can conveniently and orderly complete experiment operation. Inaddition, the number of placed supports is reduced, sterilization is more sufficient, and the possibility of pollution is reduced. And secondly, the transparent material enables an experimenter to well control the height of the liquid level of the reagent in the operation process.

The invention provides an overlap-type seed incubator which comprises a seed incubator, a culture liquid providing tank and a top cover, wherein the seed incubator comprises a hollow rectangular frame body consisting of an upper lateral plate, a left lateral plate, a right lateral plate and a face seal plate, and the top cover is arranged at the top of the frame body and is provided with a ventilation hole. One end of the seal plate is hinged with the lower end of the right lateral plate, and the other end of the seal plate is provided with an extension side and clamped with the bottom of the left lateral plate, a plurality of strip grooves are symmetrically arranged in the left and right lateral plates, seed incubation brackets with metal filter screens are clamped in the strip grooves, at least 4 groups of the strip grooves and the seed incubation brackets are arranged in the seed incubator. By adopting the overlap-type seed incubator and culture liquid providing tank, the experiment space can be effectively saved, the experiment cost can be lowered, the consumption of nutrient liquid required by seed incubation can be saved simultaneously, and the consistency of experiment data on time and environment is ensured. The device is simple in structure, and easy to realize.

The invention discloses a breadboard which comprises a PCB and a power supply generation area arranged on the PCB, a signal source generation area and a control area thereof, an external module jump area, a transit area, a level indicator and a digital display area; the breadboard further comprises a comprehensive circuit design card area, and the card area is provided with a slot matrix which consists of a plurality of slots. One slot comprises a jack and a plug wire, the jack is used for accommodating materials for a hole above the plug wire and is made from an insulating material, the plug wire is made from a metal material and welded on the back face of the PCB, the plug wires in each row are connected to each other, and the plug wire rows are not connected with each other. When in use, an electronic component pin is inserted into the jack and contacted with the plug wire. The breadboard is simple, economical, practical and convenient.

The invention provides a multimedia teaching instrument. The instrument comprises a base plate, and a first magnet and a second magnet respectively correspondingly arranged on the base plate, and a display board, wherein the first magnet and the second magnet have different polarities, a cutting component is also arranged on the base plate, and the cutting component is arranged between the first magnet and the second magnet, the display board comprises 4 induction lamps, and high precision photosensitive sensors and hot sensitive layers corresponding respectively to the 4 induction lamps. The teaching instrument can achieve intuitive and fast displaying of movement results of the magnetic induction cutting, saves the experiment space and improves the efficiency.

The invention discloses a friction experiment device with controllable environment temperature and humidity. The friction experiment device comprises a force measuring rod, a force measuring device and a constant-temperature and constant-humidity box, wherein one end of the force measuring rod is arranged in the constant-temperature and constant-humidity box, the other end of the force measuring rod is connected with the force measuring device, a friction pair is installed at the end, arranged in the constant-temperature and constant-humidity box, of the force measuring rod, the force measuring device can drive the force measuring rod to move by a set distance at a set moving speed and measure the friction force between the friction pair, and the constant-temperature and constant-humidity box can provide controllable environment temperature and humidity for the friction pair.

A cell cryopreservation device applied to a space station belongs to the field of space biological cell cryopreservation. The present invention solves the problem that the existing space station cannot realize long-term cell cryopreservation and is not suitable for cell transfer. In the present invention, the cells that have been frozen and stored in the internal laboratory of the space station through the program cooling process are packaged and transported to the drive carrier for frozen storage outside the space station through the special cell door of the space station, and are automatically adjusted to the back side according to the different positions of the space station to achieve long-term stability. Freeze. The present invention drives the carrier for cryopreservation with controllable rotation, and freezes different cells to a set position through a conveying mechanism, makes full use of the cryopreservation space, and can realize the cryopreservation of multiple batches and types of cells at the same time, reducing the size of the space station. Internal experiment space, reducing internal power loss and redundant internal heat sources. The invention is applicable to the use of cryopreserved cells in space stations.

A novel multi-necked flask, comprising a bottle body, the bottle body is provided with a main opening, the bottle body is provided with several circular openings, any of the circular openings is provided with a glass head, any of the circular openings Both are movable connections with the glass head, a glass stopper can be set on any of the circular openings, a liquid outlet is provided at the bottom of the bottle body, a valve is provided on the liquid outlet, and the liquid outlet and the bottle body Fixed connection, the connection between the liquid outlet and the bottle body is provided with a filter screen, the main bottle mouth is a frosted bottle mouth, and any of the circular openings are frosted glass. This product is simple in structure, easy to use, and can effectively solve the problem of The product is extracted while the experiment is running, and the progress of the experiment is detected. The problem that the solid raw material cannot be effectively separated from the product can reduce expenses, save experimental space, and the shape is simple, strong and durable.

The invention discloses a method for evaluating the cerebral cortex motor representative area of ​​the trunk muscle and its application. The method monitors the contraction degree of the trunk muscle of the subject through a biological pressure feedback instrument, and simultaneously uses the transcranial magnetic stimulation technology to stimulate the cerebral cortex motor representative area. In the area, the amplitude and latency of the motor evoked potential of the trunk muscles were recorded, and finally the data was processed by Python3.7 software to obtain a three-dimensional image of the trunk muscles in the motor representative area of ​​the cerebral cortex. The method of the invention improves the large and bulky surface electromyography equipment into an easy-to-carry, convenient and compact biological pressure feedback instrument, simplifies the experimental equipment, saves the experimental site, makes the experimental process smoother, and has wider applicability. At the same time, using the programming software to effectively process the experimental results and generate three-dimensional images makes the experimental results more clear and vivid, which is of great significance for a better understanding of the relationship between pain-brain-muscle.

An extrusion experiment apparatus for flexible pipe cables in ocean engineering is characterized in that the apparatus comprises a ring gear and a driving device for driving the ring gear to rotate; the end face at one side of the ring gear is engraved with vortex-shaped lines; the ring gear is outside provided with a shell, the shell possesses a hole through which a pipe cable passes, the hole is concentric with the ring gear; and the shell is provided with multiple hold-down devices uniformly distributed by taking the circle center of the hole as the center, and under working condition, the engraved vortex-shaped line drives the multiple hold-down devices to moves along the radial direction of the hole synchronously. The designed clamping system is capable of achieving synchronous movement of multiple crawler shoes through a single actuator, achieving linkage of slide blocks moving along the radial direction through the engraved vortex-shaped lines, and accordingly realizing synchronous extrusion of the crawler shoes towards the section center of the pipe cable while guaranteeing the extrusion precision, and avoids error caused by coordination control of a conventional experiment apparatus.

The invention discloses that the invention discloses a mobile measuring device for a high-voltage power frequency AC withstand voltage system, which includes a current-limiting resistor and a measuring mechanism. One end of the current-limiting resistor is provided with a conductive column in contact with the test transformer, and the other end is provided with a connecting seat. , the top of the measuring mechanism is provided with a conductive contact seat in contact with the connecting seat, the current limiting resistor is supported by a supporting platform, and the supporting platform is fixed on the mobile base through a lifting mechanism, and the bottom of the measuring mechanism is The end is fixed on the lateral movement mechanism, and the lateral movement mechanism is installed on the mobile base. The current-limiting resistor and capacitor voltage divider of the system are installed on the electric vehicle frame to form a platform. The height of the platform can be adjusted, which can realize electric movement conveniently and quickly. The forward and backward operation is simple and convenient, realizing the mobility of the system. The space has been optimized to the greatest extent; at the same time, the platform can realize the fast and accurate positioning of the connection part of the current limiting resistor and the connection part of the test transformer, saving a lot of manpower.