19results about How to "Improve injection efficiency" patented technology

This invention discloses a pressure control device, method, and system for the coexistence of different types of full-containment tanks. It includes: multiple full-containment tanks, each equipped with a first pressure sensor, and each full-containment tank connected to an input pipe via a valve group; each full-containment tank is connected to a flare and an output pipe, with a first control valve between the flare and the full-containment tank; the first control valve and valve group of each full-containment tank are respectively connected to a controller, which controls the opening and closing of the first control valve and valve group; two full-containment tanks with different design pressures share a single output pipe, and a pressure protection system is installed on the output pipe between the two full-containment tanks. The pressure protection system includes at least one first shut-off valve and a second pressure sensor connected to the controller; in response to a trigger signal from the second pressure sensor, the controller controls the opening and closing of the first shut-off valve. This allows for the simultaneous operation of full-containment tanks with different design pressures while ensuring the safe and stable operation of the station.

The utility model discloses a kind of devices for treating heavy metal pollutants in soil using electroosmosis technology, it is related to the technical field of soil pollution control and repair, and it includes: electroosmosis system, the electroosmosis system includes electrode plate and electrode tube inserted into the soil layer of the region to be treated, multiple electrode plates, multiple electrode tube are respectively arranged into row with interval, multiple rows of electrode plates, multiple rows of electrode tube are alternately arranged with interval between them;Liquid injection system and pumping system, the surface of the region to be treated is sequentially laid with woven geotextile and sealing membrane above infusion pipeline and drainage pipeline.This device of the utility model is cooperated by liquid injection system, electroosmosis system, pumping system, and heavy metal pollutants in soil can be quickly and effectively removed, so that soil purification is realized in a short time.

The invention discloses a floating interactive intelligent display chip based on dynamic distance sensing and a preparation process, and relates to the field of integrated chip preparation, the floating interactive intelligent display chip comprises a substrate layer, a buffer layer, an intrinsic layer, a multi-quantum well layer, a barrier layer, a source electrode, a grid electrode, a p-GaN layer, an anode and a drain electrode, the buffer layer, the intrinsic layer, the multi-quantum well layer and the barrier layer are sequentially arranged on the substrate layer, and the source electrode, the grid electrode, the p-GaN layer, the anode and the drain electrode are sequentially arranged on the substrate layer. The source electrode is arranged on one side of the upper surface of the barrier layer, the grid electrode is arranged in the middle of the upper surface of the barrier layer, the p-GaN layer is arranged on the other side of the upper surface of the barrier layer, and the anode and the drain electrode are sequentially arranged above the p-GaN layer. An InGaN / GaN multi-quantum well structure is embedded into a p-GaN HEMT epitaxial layer structure to form a light-emitting HEMT structure, and a driving transistor, a light source and a photoelectric detector are subjected to monolithic integration, so that a floating interactive intelligent display chip with an epitaxial integrated structural characteristic is realized.

This application relates to the field of battery production equipment technology, and discloses a battery electrolyte injection fixture and a battery production line. The battery electrolyte injection fixture includes a driving device, a first clamping part, and a second clamping part. The driving device is drivenly connected to the first and second clamping parts. The first clamping part has a first clamping surface, and the second clamping part has a second clamping surface. The first and second clamping surfaces are disposed opposite to each other. The first clamping surface is a curved surface convex towards the second clamping surface. When the driving device drives the first and second clamping parts to clamp the battery cell, the battery cell has a first sidewall and a second sidewall along a first direction. The first clamping surface corresponds to the first sidewall, and the second clamping surface corresponds to the second sidewall. At least a portion of the first sidewall is intermittently abutted by the corresponding portion of the first clamping surface. The purpose of this technical solution is to improve the uniformity of electrolyte wetting inside the battery cell, shorten the wetting time, and improve the overall battery performance.

The application discloses a kind of high density low rebound shotcrete and preparation method thereof, it is related to shotcrete field, and preparation method includes: (1), respectively to cementitious material, fine aggregate, coarse aggregate is using MAA model to be packed and the design ratio of each raw material in interior is obtained;(2), cementitious material, fine aggregate, coarse aggregate and the rebounding agent of design ratio obtained according to step (1) are fully mixed, water, water reducing agent is mixed, then by the way of mixing with pressurized air, incorporate accelerator, obtain high density low rebound shotcrete.The application uses early strength rebounding agent, improves the pumpability of shotcrete, accelerates the early hydration of concrete, under the joint action of alkali-free accelerator, rapidly improves the early mechanical properties of shotcrete, improves shotcrete construction efficiency.Multiple close packing is used, and cementitious material, fine aggregate, coarse aggregate respectively form close packing structure, effectively improve the plastic viscosity of paste and the compactness of concrete.

The application relates to the technical field of batteries, in particular to a battery cell cover plate and a battery cell. The battery cell cover plate comprises: a liquid injection hole arranged on a cover plate main body; a first insulating piece with a first cavity and a second cavity arranged at intervals along the thickness direction of the cover plate main body; the opening of the first cavity faces the cover plate main body, the opening of the second cavity faces away from the cover plate main body, the cavity bottom of the second cavity is provided with a first through part in communication with the first cavity, and the side wall of the second cavity is provided with a second through part in communication with a pole group; a sealing cover piece is connected with the first insulating piece, the sealing cover piece seals the opening of the second cavity and can abut against the pole group, the application realizes smooth inflow of electrolyte, improves the stability of the battery cell in the process of high-temperature baking and pre-charging, the sealing cover can increase the contact area of the battery cell cover plate and the pole group, the pole group is more safe and stable in the battery cell and is not prone to shaking, and therefore the performance and safety performance of the battery cell are ensured.

The application discloses a device and method for microneedle patch injection and peeling, and relates to the technical field of microneedle patch application devices, which comprises a shell, a sliding groove is arranged on the side wall of the shell; an injection mechanism is arranged in the shell and comprises a hollow spring push rod, a spring guide rod is arranged on the top of the spring push rod, the spring guide rod is fixed on the top of the shell, and the spring guide rod is sleeved with a spring on the side of the top of the spring push rod; a clamping mechanism is fixed on the bottom of the spring push rod and comprises a sliding rail, a pair of clamping blocks are symmetrically arranged on the sliding rail, the clamping blocks are connected with an adjusting mechanism to realize the approaching or moving away of the clamping blocks, the sliding rail penetrates through the sliding groove and is connected with a pusher, the clamping mechanism is compressed and locked through the pusher, the pusher is released, and the microneedle patch in the clamping block is pushed through the action of the spring; the device can uniformly penetrate the drug-loaded tip of the microneedle patch into the skin through external force and peel the microneedle patch or the base of the microneedle patch from the surface of the skin.

The application provides a triarylamine compound and an organic electroluminescent device thereof, and relates to the technical field of organic electroluminescent materials.The triarylamine compound has good thermal stability, high hole mobility and a suitable HOMO energy level, and is used as a hole transport material in the organic electroluminescent device, which can effectively reduce the hole transport resistance, improve the injection and transport efficiency of holes in the device, make the efficient recombination of electrons and holes in the light-emitting layer, effectively reduce the driving voltage of the device, improve the light-emitting efficiency of the device, reduce the movement of excitons to the outside of the light-emitting layer, avoid interface light emission, reduce the loss of the device, and prolong the service life of the device.The triarylamine compound can be applied to the fields of display, illumination and organic solar cells.

This utility model discloses a clamping and sealing device, relating to the field of microfluidic chip injection technology. The clamping and sealing device includes: a frame; a placement seat mounted on the frame, having a placement position for placing the microfluidic chip; and an opening and closing module mounted on the frame, comprising a driving component and an opening and closing component. The opening and closing component has a first position and a second position relative to the placement position. The driving component can drive the opening and closing component to reciprocate between the first and second positions. When the opening and closing component is in the first position, it presses against the irregularly shaped structure to block and close the first channel. When in the second position, the opening and closing component moves away from the irregularly shaped structure to allow the first channel to open. The technical solution provided by this utility model can solve the problem of inconvenient and rapid injection of microfluidic chips in existing systems.

The application discloses a portable micro-pressure perfusion device for plant vascular bundle injection and belongs to the technical field of micro-pressure perfusion devices. The micro-pressure perfusion device comprises a perfusion device cylinder and a piston rod slidingly connected in the perfusion device cylinder, and the micro-pressure perfusion device is detachably connected with a liquid storage tank. The whole design structure is portable and flexible to use. By holding and releasing the pressure holder, one-time plant vascular bundle perfusion operation can be completed, and one-time automatic absorption of biological medicaments from the liquid storage tank into the perfusion device cylinder can be completed. Through repeated operations, the above operation can be realized for multiple plant vascular bundle injection. The micro-pressure perfusion device solves the problem that the traditional micro-pressure perfusion device needs to repeatedly manually absorb biological medicaments in the process of multiple plant vascular bundle injection, greatly improves the injection efficiency, and through rotation of the adjusting nut, the capacity of the perfusion device cylinder for absorbing biological medicaments at one time can be quickly adjusted, the adjustment of the capacity of biological medicaments for each time of perfusion is realized, and the micro-pressure perfusion device is convenient and practical to use.

This invention discloses a continuous injection device for veterinary use. It includes: a V-shaped handle, composed of a first handle and a second handle, hinged together and equipped with a torsion spring; an adjusting seat, fixed to the top of the first handle and having an adjusting seat through hole; a cartridge, disposed at the other end of the adjusting seat through hole; an adjusting tube, disposed inside the adjusting seat through hole; a push rod, one end of which is disposed at the top of the second handle and interlocked with the top of the second handle, the other end of which passes through the inner side of the adjusting tube and is fixed with a piston; the adjusting tube has an internal thread area, and the push rod has an external thread area; a liquid guide tube, disposed on the outer bottom surface of the cartridge, the other end of which is connected to an injection needle, and an inlet tube is also connected to the side wall of the liquid guide tube. The advantages of this invention are: simple operation, high injection efficiency; adjustable injection volume; and improved cartridge fixation.

The utility model relates to the technical field of glue filling machine, disclose a kind of glue filling machine glue injection device, including base, support frame, electric cylinder, mounting seat, glue injection part, glue injection head, multiple liquid storage tanks, tray, steering adjustment assembly, hollow board, position adjustment assembly, two pressing plates, two sliding seats, spacing adjustment assembly and adsorption limiting component;The support frame is fixedly installed on base, the electric cylinder is fixedly installed on support frame, the mounting seat is fixedly installed on the telescopic end of electric cylinder, and the glue injection part is fixedly installed on the bottom side of mounting seat.The utility model has the following advantages and effects: the relative position between glue injection head and workpiece can be adjusted flexibly, so that different positions on the glue injection part can be quickly injected and operated, and the glue injection part can be stably positioned, so that the precision and safety of glue injection can be guaranteed, and the overall structure is compact and reasonable, easy to operate, with high practicality and promotional value.

This utility model relates to the field of nuclear magnetic resonance (NMR) spectrometry, and more particularly to a rotating sample storage mechanism, a sample introduction system, and an NMR device. The rotating sample storage mechanism includes a turntable and a detection component. The turntable is rotatable around a rotation axis and has multiple sample storage holes for placing sample tubes. The first part of the sample tube passes through the sample storage hole and is located on the first side of the turntable. The detection end of the detection component is located on the first side of the turntable, and the detection component can detect the first part to detect whether each sample storage hole contains a sample tube. The sample introduction system includes a clamping mechanism and the aforementioned rotating sample storage mechanism. The clamping mechanism is located on the second side of the turntable, opposite to the first side. The NMR device includes the aforementioned sample introduction system. This rotating sample storage mechanism, sample introduction system, and NMR device can help determine whether the sample introduction and changing operation at the turntable is successful, and can help improve sample introduction efficiency when the turntable is not full of sample tubes.

The utility model provides a kind of cylindrical lithium ion battery, including positive current collector and roll core, wherein, disc body is equipped on positive current collector, disc body and the full tab end surface of roll core are welded fixed;The radius of roll core is R0, and the shortest distance of disc body edge to roll core edge is L4, and the radius of roll core and the shortest distance of disc body edge to roll core edge satisfy: L4 / R0=8.6~12.6%.The cylindrical lithium ion battery passes through the proportion range of radius of roll core and the shortest distance of disc body edge to roll core edge by reasonable setting, can both ensure in shell wall to the deformation of axis center, also cannot easily contact the disc body edge of positive current collector, effectively reduce short-circuit risk;It can also ensure that disc body and roll core have enough weldable area, maintain the overcurrent capacity of welding wire, avoid that welding wire place temperature rises too high, to guarantee the safety and performance of battery.

The utility model discloses a resin lens packaging adhesive tape belongs to adhesive tape technical field. It includes release agent layer and sets up on release agent layer, connects through the several structural same adhesive tape unit of rupture line, and adhesive tape unit includes base material layer and adhesive agent layer, and base material layer is bonded in the upside of release agent layer through adhesive agent layer, and the one end of adhesive tape unit is equipped with the injection hole of through base material layer and adhesive agent layer, and every adhesive tape unit can after winding mould a week, the injection hole is covered completely. The present application is through sectional type adhesive tape unit and the design of injection hole, has solved the problem of low operation efficiency, poor sealing precision of traditional whole piece adhesive tape.

The application provides a detection chip assembly tool, a liquid injection device, a method, electronic equipment and a medium. The tool is used for installation in a vacuum pumping assembly. The tool comprises a base used for installation on a detection chip. The base is respectively provided with a reaction cavity covering the detection chip and a fluid channel communicated with the reaction cavity. The base is further provided with a liquid inlet groove structure communicated with the fluid channel and used for injection of a buffer solution. When the detection chip is filled with the buffer solution, the vacuum pumping assembly is started to exhaust air in the detection chip assembly tool. Pressure relief is performed after the vacuum pumping assembly is pumped. Under the action of negative pressure, the buffer solution in the liquid inlet groove structure flows into the reaction cavity along the fluid channel to fill the detection chip. The application effectively uses the mode of first pumping and then automatic liquid injection, avoids the generation of gas-liquid mixture, and does not need manual operation of a liquid transfer gun, thereby improving the liquid injection efficiency and precision of the detection chip.

This invention relates to the field of semiconductor manufacturing technology, and particularly to a light-emitting diode (LED), comprising a semiconductor stack, a first electrode, and a second electrode. The semiconductor stack has a mesa, sidewalls, and opposing lower and upper surfaces. From the lower to the upper surface, the semiconductor stack sequentially includes a first semiconductor layer, a light-emitting layer, and a second semiconductor layer. The mesa is on the same side as the upper surface of the semiconductor stack. The sidewalls are the sides connecting the upper surface and the mesa. The first electrode is electrically connected to the first semiconductor layer, and the second electrode is electrically connected to the second semiconductor layer. The mesa has a groove extending into the first semiconductor layer. The first electrode has a first sidewall near the sidewall, which is at least partially disposed within the groove. The groove design allows for layered adjustment of the current flow, reducing current congestion and thus increasing current spread, effectively improving the carrier injection efficiency of the LED.

The light-emitting element (2) has a light-emitting layer (23) located between an anode (21) and a cathode (25). The light-emitting layer includes a plurality of quantum dots (30) and an inorganic matrix (31) filled between the plurality of quantum dots and having a metal oxide. The inorganic matrix includes a first portion (41) having a metal oxide and a second portion (42). The ratio of oxygen atoms with respect to metal atoms in the second portion is lower than the ratio of oxygen atoms with respect to metal atoms in the first portion, and is at least the ratio of oxygen atoms with respect to metal atoms in the stoichiometric metal oxide.

The utility model discloses a kind of tree rejuvenation devices, it is related to tree maintenance technical field, the problem presented to background art, the following scheme is presented, including syringe, the left side of the syringe is fixedly connected with injection needle tube, the lower surface of the syringe is fixedly connected with liquid supply component, the front and back of the syringe are fixedly connected with stabilizing component, the inner bottom wall of the syringe is fixedly connected with injection assembly.The utility model is set through the setting of injection assembly, in use, the mode that round bar and ejector rod drive baffle and extrusion plate alternately block liquid outlet hole and liquid inlet hole to expose, improve injection speed, baffle blocks liquid outlet hole when extracting, and extrusion plate is separated from liquid inlet hole, negative pressure effect is completely concentrated in liquid inlet hole position, extrusion plate blocks liquid inlet hole while injecting, and baffle is separated from liquid outlet hole, liquid medicine passes through liquid outlet hole and injection needle tube into tree, without staff repeatedly pulling out syringe extraction and inserting operation, improve the injection efficiency of liquid medicine.