79results about How to "Controllable volume" patented technology

The invention provides a distributed multi-sensor mobile robot system, which comprises an upper-layer control part constructed by a duel-core processor in digital media SOC DMSoC and a customized embedded system framework, a bottom-layer control part consisting of a plurality of DSP units. Various units of the upper-layer control part and the bottom-layer control part are connected through a bus to form a distributed control network and realize parallel processing of functional units of a robot. In the system, the upper-layer control part is constructed by high-performance special DMSoC processor and the customized embedded system framework, the bottom-layer control part consists of the plurality of DSP units, and the various units can realize parallel processing and achieve local networkcommunications through the high-speed reliable CAN bus. The system has high-speed data processing capacity and real-time data communication capacity, reduces the size of a mobile robot platform, costand power consumption of the system, improves the extensibility and facilitates the application extending of the mobile robot.

The invention discloses a bed and chair integrated nursing system with a rotary seat and a urination and defecation processing device. The bed and chair integrated nursing system comprises a bed and chair conversion mechanism and a bed body. The bed body is of a rectangular steel frame structure, and the bed and chair conversion mechanism is placed in the bed body. An opening is arranged on the side face of the bed body, and the bed and chair conversion mechanism moves along a marking line through recognition of a bottom surface paste marking line to achieve butting and separation of a bed and a chair. The bed and chair conversion mechanism can achieve conversion between the bed and the chair and adopts a seat structure capable of rotating 90 degrees so as to enable the bed and the chair to be high in reliability in a butting and separation process. Simultaneously, the urination and defecation processing device is arranged in the bed and chair conversion mechanism, and the problem of urination and defecation processing of a user is solved effectively. The bed and chair integrated nursing system has the advantages of being capable of moving in a narrow space and capable of butting against the bed body to form a bed state, simultaneously having personal hygiene assisting function, effectively solving the problem of urination and defecation self-care of the user and the like, being capable of greatly reducing burden of nursing staff, and simultaneously enlarging activity range and independent living capacity of a person who is cared.

The invention discloses a snapshot-type multispectral image multiple-splitting spectral imaging method and a spectral imager. The related spectral imager comprises an objective lens, a collimating mirror, a light-splitting structure, an imaging lens, a filter plate array and a detector, which are mutually parallel and are arranged in sequence. The light-splitting structure is the light-splitting structure based on Wollaston prisms, and comprises a polarizer, four wave plates and four Wollaston prisms, which are arranged in parallel, wherein the four wave plates and four Wollaston prisms are arranged alternatively. According to the snapshot-type multispectral spectral imager, output images thereof can be used directly without follow-up data processing work; and meanwhile, the imager is simple in imaging principle, easy to process and low in cost, and meets requirement for miniature design.

The invention discloses a method for triggering a camera. The method comprises the following steps: acquiring an environment state parameter of the environment where a measured object is positioned and/or a motion state parameter of the measured object; when values of the environment state parameter and/or the motion state parameter exceed threshold values, starting the camera carried by the measured object; using the camera for shooting an image of the environment where the measured object is positioned and generating image information; and sending the image information to a specific address. The invention also discloses portable physiological parameter measurement equipment. The portable physiological parameter measurement equipment comprises a measurement device, a display device and the camera, wherein the measurement device comprises a physiological parameter acquisition module, a state parameter acquisition module, an image triggering module and a sending module.

The invention provides an optical imaging device. The optical imaging device comprises a housing, a display element, a first optical element and a second optical element, the display element, the first optical element and the second optical element are disposed in the housing, the display element is located at a position far from two times of focal length of the first optical element, a display image displayed by the display element is zoomed out by the first optical element and imaged at a position within one time of focal length of the second optical element, the display image zoomed out by the first optical element is zoomed in by the second optical element so as to generate a display image which is visually zoomed in and equivalently located in the distance, so that a user can view the display image which is zoomed in and equivalently located in the distance through the optical imaging device. The optical imaging device according to the invention uses the first optical element and the second optical element, the whole optical imaging path from the display element to the second optical element is shortened, and the size of the optical imaging device is reduced.

The invention discloses a window blind rotation sub-mechanism comprising a housing formed by fastening a base and a top cover together. The housing is penetrated by a master drive shaft of a window blind. The base is provided with a gear clutch, a ladder tape front cable slider, a front and rear cable slider drive screw and a ladder tape rear cable slider, which are all penetrated by the master drive shaft in order. The front and rear cable slider drive screw which is hollow is in transmission connection with the gear clutch. The front and rear cable slider drive screw is provided with two thread segments having opposite spiral directions. The ladder tape front cable slider and the ladder tape rear cable slider are connected to the two thread segments of the front and rear cable slider drive screw respectively in a threaded manner. The invention further discloses a timing control slider system comprising the window blind rotation sub-mechanism. The assembly of the sliders and screw replaces the traditional reel or rotating drum to allow slats of a fixed pitch or variable pitch window blind to rotate, the radial size can be reduced greatly, and the window blind rotation sub-mechanism and even whole motion control process are more ingenious and compact.

The invention provides an offshore spilled oil recovery device which solves the problems that an existing spilled oil recovery device is limited in application environment and low in recovery speed. The offshore spilled oil recovery device comprises a ship body and further comprises an oil adsorption unit, an oil extrusion unit, an oil storage unit, an oil product split charging unit and an oil product transfer unit which are located on the ship body, and the control unit is connected with the oil adsorption unit, the oil extrusion unit, the oil storage unit, the oil product split charging unit and the oil product transfer unit. The oil extrusion unit is used for extruding spilled oil adsorbed by the oil adsorption unit to the oil storage unit; the oil product split charging unit is used for split charging of spilled oil in the oil storage unit; and the oil product transfer unit is used for transferring split-charged oil products out of the ship body.

The invention discloses an on-line real-time analysis method for tobacco smoke. The method adopts an on-line real-time analyzer for tobacco smoke, and the analyzer comprises a smoking machine, a feeding and cleaning module, a smoke analysis module, a smoke holding device, a deactivated pipeline system and an external controller. A gas chromatograph or gas-mass spectrometer is used for realizing detection of sample components; the temperature-controllable smoke holding device is used for realizing selective gas filtration or total smoke analysis without filter disc through various special adsorption materials and temperature setting; the external controller is used for realizing synchronous control of the smoking machine, an on-line pollution cleaning sampler and the gas chromatograph; thus, the real-time collection and analysis of tobacco smoke is completed. The method has the characteristics of controllable suction, controllable smoke volume, controllable temperature, real-time cleaning of smoke pollution and no residues, realizes real-time on-line analysis, directly analyzes the gas components generated by tobacco burning, and avoids chemical change or loss of components in the sample processing process.

The invention relates to a multifunctional fitness massage chair and belongs to the field of daily articles. The multifunctional fitness massage chair comprises a fixed support, the top of the fixed support is provided with a seat, the fixed support on both sides of the seat is provided with armrests, the rear of the fixed support is hinged to a movable support, the movable support is provided with a waist and back massage device, the top of the movable support is provided with a neck massage device, the bottom of the movable support is connected to one end of a damping spring, and the other end of the damping spring is fixed to the rear end of the bottom of the fixed support; the front end of the bottom of the fixed support is hinged to a sole and shank massage device; both sides of the top of the fixed support are also provided with a shoulder movable lifting unit which is connected with one end of a rubber rope, and the other end of the rubber rope passes through a guide wheel at the rear end of the bottom of the fixed support and is then fixedly connected with the top of the movable support. The multifunctional fitness massage chair is reasonable in structural design, attractive in appearance, capable of saving separated space occupation, low in cost, energy-efficient, environmentally friendly, easy to operate, capable of integrating a furniture function and a healthcare massage function and high in practicality.

The invention provides a thin-walled component machining magneto-rheological flexible fixture device for clamping a thin-walled component. The flexible fixture device comprises a base assembling body,a magneto-rheological fluid container, a plurality of side box assembling bodies, a plurality of ball screw assembling bodies, and a control unit, wherein the base assembling body comprises a base, aspiral lifting support, a spiral lifter, a servo motor, a box body support, a linear guide rail and sliders, the magneto-rheological fluid container is used for containing magneto-rheological fluid and comprises a box body, an angle plate, a lifting plate and a guide rod, each side box assembling body comprises a side box connected with the corresponding slider through a side box supporting pieceat the bottom, an electromagnet placed in the side body, and a side box cover plate for sealing the side box, each ball screw assembling body comprises a bearing pedestal fixed to the base, a nut base connected with the bearing pedestal and connected with the bottom of the corresponding side body, a ball screw connected with the nut base, a motor base connected with the ball screw and fixed to the base, a coupler arranged in the motor base, and a motor fixed to the motor base and connected with the coupler, and the control unit is in communication connection with a computer.

The invention discloses a novel automatic-feeding ecological fish tank. The novel automatic-feeding ecological fish tank comprises a glass tank body, an automatic supply device and a water quality purification device. The automatic supply device is arranged above the glass tank body through a support connected to one side of the glass tank body. A fixed tank is arranged on the inner portion of one side of the upper portion of the glass tank body. The water quality purification device is arranged in the fixed tank. The automatic supply device comprises a plastic tank, a gas supply chamber and a liquid supply box. The plastic tank is provided with a gas inlet, a liquid inlet and a lower diameter opening. According to the automatic-feeding ecological fish tank, the automatic supply device and the water quality purification device can automatically add a nutrient solution to the fish tank at a constant speed in an unattended mode, the size and density of the nutrient solution can be controlled, excrement and other dirt in water can be removed, ammonia nitrogen in water can be removed, and therefore sterilization and algal inhibition are achieved, a good purification effect is achieved, and the water quality purification device is high in corrosion resistance and long in service life and do not need to be replaced when used for a long time.

The invention discloses a small unequal Wilkinson power divider which comprises an upper layer micro-strip structure, a compensation capacitor, an isolation resistor, an intermediate medium substrate and a bottom layer metal floor. The upper layer micro-strip structure is printed on the upper surface of the intermediate medium substrate, the bottom layer metal floor is located on the lower surface of the intermediate medium substrate, and the upper layer micro-strip structure serves as a small unequal Wilkinson power divider body composed of four arms. The compensation capacitor is connected between two arms in a bridging mode, and the isolation resistor is connected between the other two arms in a bridging mode. Compared with a traditional Wilkinson power divider, and the electrical length of the arm between the input end and the isolation resistor can be greatly reduced so as to achieve the function of reducing the size of a circuit. As a whole, the size of the whole unequal Wilkinson power divider can be reduced by nearly 50%, and the power divider has excellent performance.

The invention relates to a droplet preparation chip for detecting intestinal microorganisms, which can accurately control and adjust the size of multiple coated droplets by arranging an adjusting channel; according to the change of droplet preparation requirements, multiple coated droplets with different sizes can be obtained by adjusting the change of channel power parameters; meanwhile, the adjustment is not limited to the overall size of the multiple coated droplets, and the core size, the coating layer thickness and the like of the multiple coated droplets can be independently adjusted; the droplet preparation chip allows preparation of homogenized double emulsion droplets of different specifications on the same chip, has universality within a certain droplet size range, and can be used as an independent droplet preparation unit to be combined with droplet use units of various specifications, so that the detection cost is greatly reduced.

The invention relates to an enteric microorganism detection system based on micro-droplets. The enteric microorganism detection system comprises a reaction chip and a droplet preparation chip which communicate with each other, and the droplet preparation chip is provided with an adjusting channel so that the size of multiple wrapped droplets can be accurately controlled and adjusted; according tothe change of droplet preparation demands, the multiple wrapped droplets with different sizes can be obtained through the change of power parameters of the adjusting channel; and meanwhile, adjustmentis not limited to the overall size of the multiple wrapped droplets, and the core size, the wrapping layer thickness and the like of the multiple wrapped droplet can all be independently adjusted. According to the droplet preparation chip of the enteric microorganism detection system, homogenized double emulsion droplets of different specifications can be allowed to be prepared on the same chip,universality within a certain droplet size range is achieved, the droplet preparation chip can serve as an independent droplet preparation unit to be combined with droplet use units of various specifications, and thus the detection cost is greatly reduced.

The invention discloses a fully-closed pollution-free digital nucleic acid detection chip which comprises a chip body, a first puncture needle and a second puncture needle, the chip body is made of a transparent material, a plurality of oil inlet through holes are formed in the chip body, outlets of the oil inlet through holes are connected with an oil inlet groove, one end, connected with the first puncture needle, of the oil inlet groove is provided with an opening, an opening in the other end of the first puncture needle extends into a test tube, the test tube is used for receiving an oil phase conveyed by the oil inlet through holes, an opening in one end of the second puncture needle is connected into a liquid inlet groove formed in an inner cavity of the chip body, an outlet of the liquid inlet groove is connected with a tiling cavity, the bottom plane of the tiling cavity is in the horizontal direction, and an opening in the other end of the second puncture needle extends into the test tube; and the opening in the other end of the first puncture needle extends into the oil phase in the test tube all the time, and when the test tube is filled with the oil phase, the opening in the other end of the second puncture needle is in contact with the top liquid level of the oil phase. The risk of cross contamination is avoided, operation is easy, and consumed time is short.

The invention discloses a micro valve system and method for generating and controlling parking air bubbles. The micro valve system comprises a liquid runner, a water repelling gas-permeable layer, an air pressure control channel and at least one parking air bubble generating cavity, wherein the air pressure control channel and the liquid runner are distributed in parallel and do not communicate with each other; the water repelling gas-permeable layer is located between the air pressure control channel and a micro fluid channel; the inner wall, on one side of the liquid runner, of the water repelling gas-permeable layer is provided with the parking air bubble generating cavities which are of concave structures formed in the inner walls of the water repelling gas-permeable layer; and the apex angles of the cross sections of the parking air bubble generating cavities are smaller than the flowing advancing contact corners of liquid in the liquid runner. According to the method, the parking air bubbles generated in a micro runner serve as a micro valve of a micro flow control chip, the gas pressure intensity in the channels is controlled by controlling the air pressure, then the shape and dimension of the parking air bubbles are controlled, and circulation or blocking of the liquid runner is achieved.

The invention provides a method for preparing carbon nanofiber aerogel. The method comprises the following steps: performing heat treatment on a beta-lactoglobulin solution at the pH value of 1-3 so as to obtain a beta-lactoglobulin amyloid fiber solution; mixing the beta-lactoglobulin amyloid fiber solution with sugar, and reacting to obtain the carbon nanofiber hydrogel; and drying the carbon nanofiber hydrogel, thereby obtaining the carbon nanofiber aerogel. According to the method disclosed by the invention, the beta-lactoglobulin is self-assembled into amyloid fibers under acidic conditions, the amyloid fiber can act with saccharide molecules under hydrothermal conditions so as to achieve a template effect, the hydrothermal carbon nanofibers are produced, the fibers are lapped to form the carbon nanofiber hydrogel, and then the carbon nanofiber aerogel is obtained after drying. The aerogel prepared in the method is controllable in macroscopic volume, controllable in microscopic diameter and excellent in adsorptive property; and the method is simple, feasible, high in repeatability and capable of easily realizing large-scale preparation. The diameter of the carbon nanofiber aerogel is 30-350nm, and the carbon nanofiber aerogel is capable of adsorbing and filtering multiple pollutants in water.

The invention discloses an automatic suction device. The automatic suction device comprises a rack, a pipetting gun, a first driving mechanism, a second driving mechanism and a control system, wherein the pipetting gun is fixedly arranged on the rack, a button is arranged on the pipetting gun, and the button has a first function of changing a pipetting range through rotation and also has a second function of sucking and discharging liquid through translation; the first driving mechanism is arranged on the rack in a sliding mode, the first driving mechanism is fixedly connected with the button, and the first driving mechanism is used for driving the button to rotate; the second driving mechanism is arranged on the rack and is used for driving the first driving mechanism and the button to synchronously translate; and the control system is used for respectively controlling the first driving mechanism and the second driving mechanism. The pipetting gun is fixed on the rack, the volume of sucked liquid is controllable by rotating the button through the first driving mechanism, the liquid is sucked and discharged by pressing the button through the second driving mechanism, the volume of pretreatment is adjusted through the control system, and related pipetting operation is carried out, so that automatic and accurate pipetting is realized, and the cost of the pipettor is greatly reduced.

The invention provides a circulating water culturing system and a method for rearing early fry of hybrid snakehead based on this system. The circulating water culturing system is characterized in that a circulating water closed loop is composed of a fry rearing pool, a fry collecting pool and a water treatment pool, and the water treatment pool is added with an aerator and a temperature controller. By using the circulating water culturing system to control a fry survival environment, dividing a culturing cycle into a live food stage, a live food replacement stage and a feeding training stage according to conversion law for feeding habits of hybrid snakehead fry and feeding with different foods in the three stages, conversion stability is guaranteed for feeding habits of fry, and problems that existing pond rearing of hybrid snakehead fry is high in food residue rate and non-uniform in specification, fry easily suffers from parasitic diseases in early stage and are low in survival rate and production is bound by ambient conditions are effectively solved; the method for rearing early fry of hybrid snakehead based on this system is higher than 85% in average fry survival rate and 10-15 times as high as traditional pond rearing of fry in production efficiency.

The invention discloses a venturi tube-based foam liquid proportion adjustable mixer. The mixer comprises a venturi tube, a first pipeline, a second pipeline, a hydraulic thin film actuator, a controlvalve, a support and an upper end adjusting module, wherein the upper end adjusting module, the hydraulic thin film actuator, the support, the control valve and the venturi tube are sequentially connected from top to bottom; and the hydraulic thin film actuator comprises an actuator upper shell, an actuator lower shell, a rubber thin film, a thin film pressing sleeve, a thin film lower support, an executing mechanism step rod, a packing screw sleeve, a pressing sleeve nut and a packing box. According to the mixer, the problem of the mixed proportion of the foam liquid can be effectively solved through the design of the hydraulic thin film actuator, the mixing ratio range is controlled to be 3%-6%, and high reliability and larger foam liquid storage capacity are achieved; and the venturi tube is adopted as a foam and liquid mixing tube, so that the resistance generated by the fluid is reduced, and the energy consumption is reduced as well.

The invention discloses an equalizing charge device. Charging balance work is completed through two charging mechanisms. The equalizing charge device has the advantages that compared with dissipation type balance, no thermal management problem exists. Compared with capacitance or induction energy storage non-dissipation balance, the method is large in balance current, high in efficiency and high in speed; compared with balance of a transformer, the method does not need a magnetic core or a coil, no magnetic leakage exists, and the size is controllable.

The invention belongs to the technical field of garment processing equipment, and particularly relates to a multifunctional riveting machine which comprises a rack, a lower die mechanism, a lower button feeding mechanism, an upper button feeding mechanism and a punching and upper button taking mechanism are arranged on the rack, and the punching and upper button taking mechanism comprises a punching rod base, a punching rod sliding block, two punching rods and a punching rod moving part. The punching rod moving part is used for driving the punching rod sliding block to move between a first position and a second position; the lower ends of the two punching rods are provided with a punch assembly used for being matched with a punching frame and an upper riveting die used for being matched with a lower riveting die. And the punching rods realize punching through a punching rod driving device. The machine has the following advantages: 1) the machine is more stable and higher in efficiency;2) the cost of a cylinder is far less than that of a stepping motor; and 3) the structure is arranged in the rack, so that the volume is more controllable. In addition, the punching rod driving device can achieve the punching procedure and the riveting procedure at the same time, and the riveting efficiency and the riveting quality are greatly improved.