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603 results about "Micro pump" patented technology

Preparation method of left ventricle auxiliary device

The invention provides a preparation method of a left ventricular assist device, the left ventricular assist device comprises a micro pump head, a transmission shaft and a driving control mechanism, the micro pump head comprises a pump head impeller and a pump head transmission assembly, the transmission shaft comprises a mandrel and a twisting shell, and the driving control mechanism comprises a twisting shell driving module and a mandrel driving module. The method comprises the following steps that a pump head transmission assembly penetrates through a pump head impeller, and the far end and the near end of the pump head impeller are fixed to the far end of the pump head transmission assembly and the far end of a twisting shell correspondingly; a mandrel is inserted into the twisting shell, and the far end of the mandrel and the near end of the pump head transmission assembly are fixed; the twisting shell driving module is arranged at the far end of the mandrel driving module and is detachably connected with the mandrel driving module, and the far end of the twisting shell driving module is in transmission connection with the near end of the twisting shell; and the far end of the mandrel driving module is in transmission connection with the near end of the mandrel. According to the scheme, the left ventricle auxiliary device with the instrument micro-size and the high blood supply flow can be obtained, and the use safety and the working efficiency of the left ventricle auxiliary device are improved.
Owner:TONGJI UNIV

Micro pump head

The invention provides a micro pump head and relates to the technical field of micro pumps, the micro pump head is applied to a left ventricular assist device, the left ventricular assist device further comprises a transmission shaft and a drive control mechanism, and the micro pump head comprises a pump head impeller and a pump head transmission assembly. The near end of the pump head impeller is in transmission connection with a twisting shell driving module of the driving control mechanism through a twisting shell of the transmission shaft, and the near end of the pump head transmission assembly is in transmission connection with a mandrel driving module of the driving control mechanism through a mandrel of the transmission shaft. The mandrel driving module drives the mandrel and the twisting shell to rotate synchronously so as to drive the far end and the near end of the pump head impeller to rotate together, and the twisting shell driving module drives the twisting shell and the mandrel to rotate relatively so as to drive the near end of the pump head impeller to rotate relative to the far end. The micro pump head can be unfolded or folded to change the outer diameter size of the micro pump head in the human body, so that the blood supply efficiency and the use safety of the auxiliary device are improved.
Owner:TONGJI UNIV

Left ventricle assisting device

The invention provides a left ventricle auxiliary device which comprises a driving control mechanism, a left ventricle auxiliary device, a left ventricle auxiliary device and a right ventricle auxiliary device. The transmission shaft comprises a twisting shell and a mandrel, and the twisting shell is movably arranged outside the mandrel in a sleeving mode; the micro pump head comprises a pump head impeller and a pump head transmission assembly, the near end of the pump head impeller is in transmission connection with the twisting shell driving module through a twisting shell, the far end of the pump head transmission assembly is fixedly connected with the far end of the pump head impeller, and the near end of the pump head transmission assembly is in transmission connection with the mandrel driving module through a mandrel. The mandrel driving module drives the mandrel and the twisting shell to rotate synchronously so as to drive the far end and the near end of the pump head impeller to rotate together, so that the pump head impeller rotates at a fixed outer diameter; and the twisting shell driving module drives the twisting shell and the mandrel to rotate relatively so as to drive the near end of the pump head impeller to rotate relative to the far end, so that the pump head impeller is folded or unfolded. According to the scheme, the outer diameter of the micro pump head in the left ventricle auxiliary device can be adjusted, so that the use efficiency and safety of the micro pump head are improved.
Owner:TONGJI UNIV

Online oil viscosity and density sensor

The utility model relates to the technical field of metering instruments, in particular to an oil online viscosity and density sensor which comprises a mounting seat, a defoaming detection mechanism is arranged below the mounting seat, the defoaming detection mechanism comprises a mounting plate arranged below the mounting seat, and a micro pump is fixedly connected to the top end of one side of the mounting plate. The output end of the micro pump is fixedly connected with a transfer pipe, the end, away from the micro pump, of the transfer pipe is fixedly connected with a working box, the working box is fixedly connected to the top end of the center of the mounting plate, a filter plate is arranged above the working box and fixedly connected to the inner side wall of the transfer pipe, and a plurality of sets of filter holes are formed in the filter plate; the top end of the filter plate is fixedly connected with a plurality of groups of defoaming thorns. According to the utility model, through the cooperation of the mounting seat and the bubble-removing detection mechanism, the micro pump sucks oil into the transfer pipe and then transfers the oil into the working box, and bubbles in the oil are punctured by the bubble-removing thorns, so that the bubbles are prevented from influencing the subsequent measurement precision.
Owner:XIAN KEKONG LUBRICATING OIL CO LTD

Novel anti-crystallization nozzle structure

The utility model discloses a novel anti-crystallization nozzle structure, which relates to the technical field of urea nozzles and comprises an exhaust pipe, a nozzle body is fixedly mounted in the middle of the top of the exhaust pipe, a heat preservation mechanism is fixedly mounted at the top of the exhaust pipe, and a heat conduction mechanism is fixedly connected to the outer surface of the exhaust pipe. By the adoption of the structure, the heat preservation mechanism and the heat conduction mechanism cooperatively operate, when a vehicle runs, the heat absorption coil pipe is sleeved outside the high-temperature exhaust pipe, heat of the exhaust pipe is efficiently conducted to the heat conduction medium in the coil pipe, the heated medium naturally ascends and flows into the heat preservation tank based on the heat rising and cold falling characteristics, and automatic temperature rising during running is achieved; the micro pump is started to pump the heated heat-conducting medium in the heat-insulating tank to the heat-conducting coil pipe, the heat-conducting coil pipe transfers heat to the heat-conducting sleeve to preserve heat of the nozzle body, crystallization in the nozzle caused by sudden drop of external temperature is effectively avoided, normal use and stable performance of the nozzle are greatly guaranteed, and reliable operation of the whole system is guaranteed.
Owner:SHANGRAO ZHUOXIN AUTO PARTS CO LTD

Intelligent insulating construction partition and construction process

A construction thermoacoustic partition to isolate areas from external or internal environments, refrigeration, and vehicles. The partition consists of a frame with airtightly glued insulating panels, transparent or not. If glass pane, frame, and panels are glued, they create an airtight chamber where pressure, light and solar tracking sensors are located. In its internal perimeter it has photovoltaic cells and a blind whose sheets are photovoltaic cells that make it self-sufficient in energy. The profile of the frame has channels to circulate air, where electric resistance is located, which in winter raises the temperature of the panel edges, in another, fans, temperature sensors, micro-pump, wires and reinforcements are located. The horizontal planes that create these channels have coextruded thermoacoustic bridges. It has a microprocessor with automatic or digitally modified instructions, with voice and remotely, so that components act in real time, depending to changes in the environment, which can be with Artificial Intelligence.
Owner:VALDERRAMA CHAPARRO MARIO

MEMS micro valve and micro pump

The MEMS micro valve is arranged in a fluid channel and used for controlling closing and opening of the fluid channel, the technical problem that a valve body cannot be opened is solved, the MEMS micro valve comprises the valve body, a valve seat and a cantilever beam, the fluid channel is closed when the valve body covers the valve seat, and the fluid channel is opened when the valve body is separated from the valve seat. The cantilever beam is connected between the valve body and the inner wall of the fluid channel to play a role in supporting the valve body, and a separation space is arranged between the cantilever beam and / or the valve body and an object to reduce the contact area with the object. The invention further provides an MEMS micropump, the MEMS micropump comprises a pump cavity capable of changing the size, the pump cavity is provided with a liquid inlet fluid channel and a liquid outlet fluid channel, and the MEMS microvalve is adopted as a one-way valve of the liquid inlet fluid channel and the liquid outlet fluid channel. Separation spaces are arranged between the cantilever beam and an object (a related structure on the micropump) and between the valve body and the object (a valve seat) to reduce the contact area between the cantilever beam and the object and reduce the action of micro force, so that the microvalve is easier to open.
Owner:SUZHOU IN SITU CHIP TECH CO LTD

Targeted physiotherapy and biological feedback combined intelligent self-adaptive lumbar vertebra rehabilitation brace

The invention belongs to a lumbar vertebra brace, and particularly relates to an intelligent self-adaptive lumbar vertebra rehabilitation brace combining targeted physiotherapy and biological feedback, which comprises a shell consisting of a front piece, side wings and a rear piece, the treatment module is arranged in the through hole area of the front piece and integrates a vibration actuating array, a flexible warming piece and a TENS electrode; the sensor module is provided with an overall detachable patch, and the sensor module integrates an interface pressure array, an IMU, an sEMG, an NTC and a PPT micro probe; the multi-cavity air bags are arranged along transition areas of the side wings and the front piece in a partitioned mode, and the micropump and the electromagnetic valve are connected with the multi-cavity air bags. One end of the self-adaptive winding adjusting module is arranged on the rear piece, the other end of the self-adaptive winding adjusting module is located in a winding cavity of the side wing and connected through a pull rope, the side wing end can be wound and stretched to adjust the tightness degree, vibration, heat and TENS parameter self-adaption are carried out on a pain point through PPT and sEMG feedback, lumbago can be reduced in a short time, and the curative effect can be quantified through PPT and myoelectricity.
Owner:CHENGDU UNIV OF TRADITIONAL CHINESE MEDICINE

Nitrogen generator

The utility model belongs to the technical field of nitrogen generators, and particularly relates to a nitrogen generator which comprises a generator body, supporting frames are installed at through openings formed in the two sides of the generator body, a transverse plate is fixed in the supporting frame on the right side, a micro pump is fixed to the top of the transverse plate, and a coil pipe is fixedly communicated with the water inlet end of the micro pump. And the water outlet end of the micro pump is communicated with a connecting pipe. According to the nitrogen generator, by arranging the supporting frame, the transverse plate, the micro pump, the coil pipe, the connecting pipe, the water tank, the semiconductor chilling plate, the vertical plate, the fan and the filter screen assembly, when the nitrogen generator is used, the fan is arranged on one side of the generator body, so that the flowing speed of air in the nitrogen generator can be increased; and when external air enters the generator body from the other side, the temperature of the air can be reduced through the heat exchange coil pipe, so that the heat dissipation effect on the interior of the generator body is further enhanced, and the situation that an air pump in the generator body is damaged due to the too high temperature is avoided.
Owner:JIAXING QUANPU ENVIRONMENTAL PROTECTION EQUIP CO LTD

Flexible robot for welding bent section pipeline

The invention relates to the field of welding robots, in particular to a bending section pipeline welding flexible robot. Comprising a flexible assembly, the flexible assembly is in transmission connection with a compatible assembly, a plurality of welding assemblies are distributed on the outer wall of the compatible assembly in an annular array mode, and an auxiliary assembly is installed on the top of the compatible assembly; a grinding plate is driven to grind a pipeline port so as to improve the subsequent welding quality, a cooling cleaning solution is sprayed through a micro pump in the rotating process, the problem of subsequent spark splashing is avoided, when the inner wall of the port is provided with an overlapping object, the numerical value of a third pressure sensor can be driven to change, and the welding quality is improved. And in the subsequent welding process, distance monitoring is conducted through the two sets of distance sensors, the problem that the welding precision is reduced due to deviation in the welding process is solved, and the working effect of the flexible robot is improved while the welding effect of the bent section is improved.
Owner:NANJING VOCATIONAL UNIV OF IND TECH

Die structure

The invention relates to the technical field of molds, in particular to a mold structure which comprises a workbench, a first base is arranged on one side of the top of the workbench, a lower mold is connected to the center of the top of the first base through a bolt, a mold core is arranged in the middle of the lower mold, and limiting rods are arranged on the edge of the lower mold. The top of the workbench is connected with a fixing frame, an air cylinder is arranged at the bottom of the fixing frame, the bottom end of the air cylinder is connected with an upper die frame through a bolt, and a male die is arranged at the bottom of the upper die frame. Lubricating oil liquid in the oil storage tank can be quantitatively pumped into the main guide pipe through the micro pump and then conveyed into the flow dividing pipes, then the lubricating oil liquid is sprayed to the inner wall of the mold core through the spray heads, the spray heads spray the lubricating oil liquid in all directions, so that the inner wall of the mold core is evenly covered with the lubricating oil liquid, and the lubricating effect is achieved so as to facilitate follow-up ejection of the mold; and through spraying of the lubricating oil, the defects of wrinkling and cracking of the product caused by difficult ejection of the mold are avoided.
Owner:DONGGUAN CHANGXIN MOLD

Preparation method of micro pump head

The invention provides a preparation method of a micro pump head, and relates to the technical field of pump head preparation, the preparation method of the micro pump head comprises the step of preparing a pump head impeller, and the step of preparing the pump head impeller comprises the following steps: arranging an impeller framework wire between a near-end fixing ring and a far-end fixing ring in a spiral shape; preparing an impeller blade surface by using the impeller blade surface mold and an elastic raw material; the far-end fixing ring is fixed, the near-end fixing ring is rotated in the spiral direction of the impeller framework wire, the impeller framework wire is pre-tightened to be in a multi-period spiral shape, then the impeller blade face is arranged on the surface of the pre-tightened impeller framework in a sleeving mode, the pre-tightening force is released, the impeller framework wire recovers to be in the at least period spiral shape under the self-elasticity effect, and the impeller blade face is jacked outwards. Therefore, the spiral impeller is formed. According to the preparation method provided by the invention, the elastic micro pump head can be obtained, so that the use safety and the working efficiency of the left ventricle auxiliary device are improved.
Owner:TONGJI UNIV

Multimedia automobile seat headrest and seat

The multimedia automobile seat headrest comprises a headrest body, a plurality of mounting rods are mounted on the lower portion of the headrest body, a neck pillow is detachably connected to the mounting rods, a refreshing assembly is arranged on the neck pillow and comprises a rubber pipe set, a water tank and a micro pump, a mounting cavity is formed in the headrest body, and the rubber pipe set is arranged in the mounting cavity. The water tank and the micro pump are both installed in the installation cavity, the rubber pipe set is installed on the neck pillow, part of the rubber pipe set is exposed out of the surface of the neck pillow, one end of the rubber pipe set is communicated with the interior of the water tank, the other end of the rubber pipe set is communicated with the water outlet end of the micro pump, and the water inlet end of the micro pump is communicated with the interior of the water tank. The method has the effect of reducing the potential safety hazard of automobile driving.
Owner:BEI JING SUNGK WANG AUTOMOTIVE PARTS CO LTD

Diagnostic cartridge and semiconductor biosensor diagnostic system comprising thereof

A semiconductor biosensor diagnostic system is provided. The semiconductor biosensor diagnostic system includes a diagnostic cartridge and a cartridge diagnostic base. The diagnostic cartridge includes a biosensor device and a fluid-guide body over the biosensor device. The fluid-guide body includes a first pumping opening, a second pumping opening, a buffer reservoir, a sample reservoir, and a plurality of channels configured to provide a first loop including the first pumping opening and the buffer reservoir, and a second loop including the second pumping opening and the sample reservoir. The first loop and the second loop sharing a common channel passing through the biosensor device. The cartridge diagnostic base includes a plurality of micro pumps coupled to the first pumping opening and the second pumping opening, and a sensing structure configured to receive a sensing information from the biosensor device.
Owner:BIOUP LABS TAIWAN CO LTD

Handheld ultrasonic beauty instrument

The invention discloses a handheld ultrasonic beauty instrument, and relates to the technical field of beauty instruments, the handheld ultrasonic beauty instrument comprises a handle, a connecting shell is fixed at one end of the handle, a probe is fixed at the open end of the connecting shell, an ultrasonic generator a is fixedly mounted in the probe, the handheld ultrasonic beauty instrument further comprises an atomization mechanism, and the atomization mechanism comprises a storage cylinder fixed in the handle; a partition plate is fixed in the storage cylinder, a micro pump is fixedly installed in the handle, and a proportional valve is arranged between the micro pump and the storage cylinder. Through a proportioning system constructed by the micro pump and the proportional valve, the concentration of the cosmetic liquid can be dynamically adjusted in real time in the operation process of the ultrasonic cosmetic instrument, and based on the instant skin type requirement and scene change of a user, the user can conveniently use the ultrasonic cosmetic instrument. The mixing ratio of the concentrated cosmetic liquid to the solvent is accurately controlled, so that the high-activity component acts on the skin at the optimal concentration, and on the basis, the proportioned cosmetic liquid can be converted into nano-scale fog drops through the ultrasonic generator b, so that the transdermal absorption rate is remarkably improved, and the cosmetic effect is further enhanced.
Owner:HOSPITAL AFFILIATED TO TIANJIN TRADITIONAL CHINESE MEDICAL & MEDICINE INST

Automatic defibrillator for cardiac rehabilitation

The utility model provides an automatic defibrillator for cardiac rehabilitation, including a carrying box and an electrode sheet, wherein the carrying box is fixed with an instrument body through a bracket, the electrode sheet is provided with a power supply connector, the power supply connector is connected with a connecting wire, the instrument body is provided with a connecting plug, the other end of the connecting wire is connected with the connecting plug, and a storage box is fixedly provided inside the carrying box. The utility model has the following beneficial effects: a micro pump absorbs the conductive paste inside the storage box, and finally discharges the conductive paste into a pipe, and then is applied to the bottom surface of the electrode sheet by a discharge nozzle, and the brushes on the pipe and the roller are mobile, and finally cooperate with the rotating brush to evenly apply the conductive paste to the bottom surface of the electrode sheet, which is convenient for subsequent use.
Owner:HAINAN OPTOELECTRONICS NALUN MEDICAL TECHNOLOGY CO LTD

Piezoelectric driving temperature-control flow velocity heat dissipation system and method

The invention provides a heat dissipation system and method for controlling the flow velocity through piezoelectric driving. The heat dissipation system comprises a piezoelectric heat dissipation pump, a heat dissipation module and a liquid cooling box which are connected to form a circulation loop. The piezoelectric heat dissipation pump comprises a vibration assembly, a valve body assembly and a pump body shell. A variable-volume cavity is formed between the vibration assembly and the valve body assembly. The vibration of the vibration assembly changes the volume of the variable-volume cavity. An input cavity and an output cavity which are independent of each other are arranged in the pump body shell. The valve body assembly comprises a one-way valve upper plate, a middle-layer valve and a one-way valve lower plate which are sequentially stacked. According to the piezoelectric heat dissipation pump, the integrated design of a micro piezoelectric pump valve is achieved, control over cooling liquid is achieved, the traditional valve-pump separation type design is replaced, and the size of the piezoelectric micro pump is reduced; and meanwhile, the valve body assembly is integrated in the pump body shell, so that the airtightness and water tightness of the piezoelectric heat dissipation pump are good. In addition, the valve body assembly adopts a three-layer separable design, so that two reversely arranged one-way valves with compact structures are formed.
Owner:ZHEJIANG UNIV

Method and system for controlling liquid flow of eyewash equipment

The invention provides an eyewash equipment liquid flow control method and system, and relates to the technical field of eyewash equipment liquid flow control. The method comprises the following steps: judging whether a liquid flow path at an outlet of a nozzle is blocked or not according to a fluid pressure signal; when the micro pump is judged to be blocked, controlling the micro pump to suspend or reduce the liquid flow, and recording the blocking duration; when it is judged that the liquid flow path is smooth, liquid conveying is recovered, and the duration time when the liquid flow path is blocked is accumulated; and after the preset total conveying time is over, extra time for supplementing conveying is calculated, and the micro pump is controlled to carry out extra liquid conveying according to the extra time. The method aims at overcoming the physical interruption of instant eye reflection of a user on the micro liquid flow and solving the problem that an existing open-loop control system cannot sense the interruption so that the dosage of the liquid medicine is inaccurate, and therefore it is ensured that the total amount of the liquid medicine finally acting on the eyeballs is accurately consistent with the preset treatment dosage.
Owner:PINGYANG COUNTY PEOPLES HOSPITAL

Ecological planting box, planting groove and application of ecological planting box and planting groove in ludisia discolor cultivation

The invention relates to the technical field of planting equipment, in particular to an ecological planting box, a planting groove and application thereof in ludisia discolor cultivation, the ecological planting box comprises a box body and a nutrition groove, the nutrition groove is formed in the bottom of the inner side of the box body, a placing plate is arranged in the box body, the planting groove is formed in the top of the placing plate, and the planting groove is arranged in the planting groove. A liquid supply assembly is arranged at the side end of the nutrition groove, a planting pot is arranged on the planting groove, the hardening degree of soil in the planting pot can be indirectly detected through assistance of a pressure sensor, and when the planting pot is lack of water, through cooperation of a first electric control valve, an annular cover, an insertion pipe and other components, the planting pot can be protected against water leakage. According to the planting pot, a nutrient solution can be supplemented to soil in the planting pot layer by layer from bottom to top, holes are formed in the soil through the insertion pipes, the soil in the planting pot can keep air permeability, and when the soil humidity in the planting pot is high, redundant water in the soil in the planting pot is squeezed out through assistance of the annular cover and the electronic micro pump; extruded water can be discharged through the round holes.
Owner:QINGYUAN AGRI SCI & TECH EXTENSION SERVICE CENT (QINGYUAN AGRI SCI RES INST)

Precise intelligent pipettor

The invention provides a precise intelligent pipettor, relates to the technical field of experimental detection auxiliary devices, and aims to solve the problems that an existing pipettor adopts a manual pressing mode to extract liquid, the precision of the manual pressing mode for extracting the liquid is low, and the liquid is squeezed out without touching a pressing head. A liquid transfer gun body is detachably connected into the protective shell, the liquid transfer gun body is of a hollow shell structure, a liquid storage box is fixedly connected into the liquid transfer gun body, a containing groove is formed in the position, corresponding to the liquid storage box, of the protective shell, and an operation panel is installed in the containing groove through a bolt; a PLC control panel is fixedly connected to the back surface of the operation panel, a micro pump is fixedly connected to the bottom of the liquid storage box, the PLC control panel is connected with the micro pump through an electric wire, a connecting pipe is fixedly connected to the tail end of the pipette body, and an extraction pipe is detachably connected to the tail end of the connecting pipe.
Owner:MEDICAL INNOVATION (JIANGYIN) MEDICAL TECH DEV CO LTD

Immersed cooling coupled direct cooling tube battery, vehicle thermal management system and strategy

The invention discloses a battery of an immersed cooling coupling direct cooling pipe, and a vehicle thermal management system and strategy, and relates to a power battery thermal management technology. The immersed cooling coupling direct cooling technology is innovatively provided, direct coupling heat exchange between the immersed working medium fluid used for cooling the battery module and the water-based fluid in the vehicle heat management module can be achieved, the structure is simple, the integration is high, the circulation energy consumption of the immersed working medium fluid can be reduced, and the service life of the vehicle heat management module is prolonged. The problems in the prior art are solved. The immersed cooling coupling direct cooling technology is matched with fluid driving such as the micro pump, a novel battery thermal management technology is realized, a starting and stopping strategy can be executed on the micro pump according to the working conditions such as the actual charging and discharging rate of the battery and the temperature of the environment, the pertinence is strong, and the use is flexible. The vehicle thermal management system comprises the battery of the immersed cooling coupling direct cooling pipe. The vehicle thermal management system and the management strategy thereof can enhance the heat exchange effect on the basis of reducing the energy consumption.
Owner:GUANGDONG UNIV OF TECH

Prone position three-step body position pad for newborns

The prone position three-step body position pad comprises a head supporting frame, a thoracico-abdominal supporting frame and a leg supporting frame which are sequentially arranged, and the head supporting frame and the thoracico-abdominal supporting frame are connected through an adjusting device so that the height and the inclination angle of the head supporting frame can be adjusted; a plurality of air bags attached to the table top are arranged on the thoracico-abdominal supporting frame side by side, and the pressure of each air bag is independently adjusted through a micro pump so that local protruding or sinking can be achieved. The chest and abdomen supporting frame and the leg supporting frame are connected through a lifting device so that the height of the leg supporting frame can be adjusted. Through the arrangement of the adjusting device, the height and angle of the head supporting frame can be controlled, and through the arrangement of the lifting device, the height of the foot supporting frame can be adjusted, so that the requirements of multiple body positions of the newborn are met; the multiple air bags are arranged on the thoracico-abdominal supporting frame, different thoracico-abdominal areas of the newborn can be supported in a differentiated mode, and the adaptability to diseases of the newborn is improved.
Owner:AFFILIATED CHILDRENS HOSPITAL OF CAPITAL INST OF PEDIATRICS

Underground electric-drive hydraulic-control miniature power device

The invention provides an underground electric drive hydraulic control miniature power device, which belongs to the technical field of petroleum engineering, and comprises an oil path block, a front end cover and an oil tank shell, the left end of the oil path block is connected with the front end cover, the right end of the oil path block is connected with the oil tank shell, two cavities are formed among the oil path block, the front end cover and the oil tank shell, the other cavity is a micro element accommodating cavity; a circuit board, an electric pump assembly, an electromagnetic valve assembly and pressure meter assemblies are installed on the oil path block, the circuit board is electrically connected with the electromagnetic valve assembly, the two pressure meter assemblies and the electric pump assembly, and the miniature oil tank is communicated with the miniature element containing cavity through an oil injection hole in the oil path block. The liquid level of hydraulic oil in the micro-element containing cavity is higher than an inlet of the micro-pump. According to the invention, the action of the underground flow control valve can be realized through hydraulic control without a hydraulic control pipeline, the complexity of the pipeline and potential fault points can be reduced, and the reliability of the system is improved.
Owner:CHINA NAT OFFSHORE OIL CORP +3

Low-wear micromotor

The utility model discloses a low-wear micromotor, and relates to the technical field of micromotors. The low-abrasion micromotor comprises a base and an oil injection assembly, a micromotor body is arranged on the base, the oil injection assembly is located on the outer side of the micromotor body, the oil injection assembly comprises an oil box, a spray head, a connecting pipe, an oil tank, a micro pump and a sealing plug, the top of the oil tank is fixedly connected with the connecting pipe, and one end of the connecting pipe is fixedly connected with the oil box; and the inner wall of the oil box is fixedly connected with a plurality of groups of nozzles which are distributed in an annular array. The rotating shaft can be oiled, a layer of lubricating film can be formed between the rotating shaft and a bearing on the micromotor body, the friction coefficient between the rotating shaft and the bearing is reduced, the abrasion degree of mechanical parts is effectively reduced, the service life of the rotating shaft is prolonged, sprayed oil can effectively take away heat generated by friction, the surface temperature of the rotating shaft is reduced, and the service life of the rotating shaft is prolonged. The influence of heat on component materials is reduced, and then the abrasion speed is reduced.
Owner:汉中市财宝多科技有限公司

Gynecological flushing device capable of automatically adjusting liquid medicine flushing direction

The invention discloses a gynecological flushing device capable of automatically adjusting the flushing direction of liquid medicine, and particularly relates to the technical field of gynecological flushing devices.The gynecological flushing device comprises a shell, a controller is fixedly installed on the outer circle wall face of the shell, a flushing pipe stretches into the body of a patient, at the moment, a micro water pump and an electric motor are started through the controller, and the flushing direction of the liquid medicine is adjusted. Then, a micro water pump pumps liquid medicine into a flushing pipe, at the moment, the liquid medicine in the flushing pipe is sprayed to the infected part in the body of the patient through a top spraying cap and two spraying heads, and a first adjusting block is rotated to make contact with a second adjusting block at the bottom of a second adjusting disc in sequence; the height of a plurality of first adjusting blocks is gradually increased, so that the movement amount of the bearing column jacked by different first adjusting blocks is different, and the rotation directions of a plurality of mounting caps can be adjusted differently along with the movement amount of the bearing column jacked by the different first adjusting blocks. Therefore, the effect of automatically adjusting the direction when the liquid medicine is sprayed is achieved.
Owner:XUANWU HOSPITAL OF CAPITAL UNIV OF MEDICAL SCI

Oral cavity flushing device

The utility model discloses an oral cavity flushing device which comprises a cylindrical shell, the side wall of one end of the shell is fixedly connected with a side shell body, the side wall of the end, away from the side shell body, of the shell penetrates through and is rotationally connected with a middle pipe, and the end, located outside the shell, of the middle pipe is fixedly connected with a flushing pipe in a sleeved mode. The end, away from the middle pipe, of the flushing pipe is bent, and a first micro pump communicating with the middle pipe is fixed into the shell. According to the washing device, the shell, the middle pipe, the washing pipe, the first micro pump and the adjusting assembly are arranged, the first liquid discharging pipe connected with the first micro pump is connected with the middle pipe in a sealed and rotating mode, the washing pipe can be clamped to the other end of the middle pipe, and when the first micro pump pumps washing liquid, the middle pipe and the washing pipe can be rotated through the adjusting assembly with one hand; therefore, the direction of the outlet of the flushing pipe is changed, different positions in the oral cavity are flushed, and use is smoother and more convenient.
Owner:THE THIRD MEDICAL CENT OF THE CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL

Mobile phone glass cover plate flatness measuring device

The utility model discloses a mobile phone glass cover plate flatness measuring device which comprises a bottom plate, one side of the bottom plate is fixedly connected with an installation support, the top of the installation support is provided with a measuring device through a driving mechanism, the top of the bottom plate is provided with four electric telescopic rods, and the four electric telescopic rods are connected with the base plate. The top ends of the four electric telescopic rods are fixedly connected with a mounting plate, and a micro pump is mounted at the bottom of the mounting plate. According to the utility model, the glass cover plate is moved to the central position of the mounting plate by completing the moving and positioning of the glass cover plate, so that the glass cover plate is positioned at the central position of the four suction cups, then the whole glass cover plate is lifted under the pushing of the electric telescopic rod and is separated from the clamping and positioning of the placing block, and at the moment, the detection is carried out through the measuring equipment; the tension change of the positioning mechanism on the glass cover plate is effectively avoided, and after detection is completed, the micro pump is closed to enable the suction cup to lose suction force, so that personnel can easily take down the glass cover plate.
Owner:CHENZHOU TIANCHENG OPTOELECTRONIC TECH CO LTD

Heat dissipation system of chip

The invention relates to the technical field of chip packaging heat dissipation, in particular to a chip heat dissipation system which comprises a thermoelectric film layer, a micro-scale radiator layer and a micro pump, the thermoelectric film layer comprises a hot end, a cold end and a power generation layer, the hot end is connected with the surface of a chip, the cold end is connected with a heat dissipation substrate of a micro-scale radiator, and the power generation layer is connected with the heat dissipation substrate. The power generation layer is used for forming electromotive force according to the temperature difference between the hot end and the cold end and outputting power supply voltage. The micro-scale radiator layer comprises a radiating substrate, and a circulating liquid inlet and a circulating liquid outlet are formed in the radiating substrate; the micro pump layer is provided with a pump liquid inlet and a pump liquid outlet, the pump liquid inlet is connected with the circulating liquid outlet, and the pump liquid outlet is connected with the circulating liquid inlet; the micro-pump layer further comprises a piezoelectric part, the piezoelectric part is communicated with power supply voltage and used for driving liquid in the micro-pump to circularly flow in the micro-scale radiator layer and the micro-pump layer through the voltage, heat is recycled to generate power so that the micro-pump can drive the liquid to circularly dissipate heat, external power supply is not needed, and the purpose of self-sufficiency is achieved.
Owner:MUXI LINGZHI TECHNOLOGY (BEIJING) CO LTD