22 results about "Tube Capillary" patented technology

The invention discloses a core-sheath / parallel structure hybrid nanofiber membrane, a preparation method, a spinning head and a high-voltage electrostatic spinning device. The spinning head comprises a transversely-arranged cylindrical spinning solution storage device with spinneret orifices in the bottom end and a plurality of stainless steel capillary tubes penetrating through the cylindrical spinning solution storage device. And the capillary tubes are gathered above the spinning solution storage device to form two common fluid inlets. Part of the capillary tubes and spinneret orifices in the bottom of the cylindrical spinning solution storage device are arranged in parallel to form parallel outlets of two fluids; the other part of the stainless steel capillary tube directly passes through the center of the spinneret orifice of the cylindrical spinning solution storage device to form a coaxial outlet of the two fluids; and the parallel outlets and the coaxial outlets are uniformly distributed in a staggered manner at the bottom of the transverse storage device. According to the spinning device, an outlet jointly formed by a spinneret hole in the bottom of a spinning head and a metal capillary tube serves as a template, different multi-strand microfluid combinations are guided into a high-voltage electrostatic field, and the core-sheath / parallel structure hybrid nanofiber membrane is directly prepared in batches in a single step.

This invention belongs to the field of optical fiber communication technology and discloses a low-refractive-index doped mother tube, a capillary, a preparation method, and applications. The invention first deposits a low-refractive-index doped silicon dioxide layer on the inner surface of a pure silicon dioxide liner to prepare a low-refractive-index doped mother tube. Then, the low-refractive-index doped mother tube is heated to its softening temperature and drawn to obtain a low-refractive-index doped capillary. The minimum relative refractive index difference of the low-refractive-index doped silicon dioxide layer in this invention is -1.8% to -2.6%. The low-refractive-index doped capillary designed in this invention can be used to prepare optical fiber power combiners and can improve the performance of the combiners.

The utility model discloses a fresh air top air supply and top air return design structure based on a residential radiation air conditioning system. The fresh air top air supply and top air return design structure comprises a ceiling structure composed of a keel structure layer, a gypsum board, a capillary network, a gypsum mortar layer and a putty emulsion paint layer. The height of the suspended ceiling structure is not greater than 100mm; a capillary main pipe is laid in the keel structure layer between the gypsum board and the floor, and capillary tubes in the capillary network penetrate through the gypsum board to be communicated with the capillary main pipe; fresh air pipelines are laid in the keel structure layer between the gypsum board and the floor slab and comprise an air supply pipeline and an air return pipeline, the air supply pipeline and the air return pipeline are provided with an air supply opening and an air return opening respectively, and holes used for installing the air supply opening and the air return opening are formed in the gypsum board; on the premise of ensuring the indoor clear height of 2.60 m, the floor height of the residence can be designed to be 2.95 m, for a residence building with the limited height of 80 m, one more floor can be built compared with a floor air supply design, the plot ratio of the building is increased, and large economic benefits are brought.

The present application provides an ion source and a mass spectrometer that further reduce the dead volume of the connecting portion of a pipe and a capillary. The ion source has a capillary and a pipe. The capillary has a large-diameter portion that forms a capillary upstream end surface on the upstream side, and the large-diameter portion has a large-diameter portion downstream surface on the downstream side. The pipe has a pipe downstream end surface on the downstream side. The capillary holding portion has a hole through which the capillary downstream end surface can pass and a surface on which the large-diameter portion downstream surface can be disposed. The ion source has a pipe holding portion that holds the pipe. The capillary holding portion and the pipe holding portion are configured to connect the capillary and the pipe by bringing the capillary upstream end surface and the pipe downstream end surface into contact.

The utility model provides a vehicle humidifying system and a vehicle, the system is applied to the vehicle, the system comprises a humidifying device, the humidifying device comprises a humidifying component, a humidifying controller and a humidifying container, the humidifying controller is connected with the humidifying component to control whether the humidifying component is in a working state or not, and when the humidifying component is in the working state, the humidifying container is connected with the humidifying component; the humidifying component is used for humidifying the vehicle by using the humidifying water in the humidifying container; the water collecting tank is connected with the humidifying container to provide humidifying water for the humidifying container; one end of the capillary tube extends into the water collecting tank, the other end of the capillary tube extends into the humidifying container, and the water collecting tank is connected with the humidifying container through the capillary tube, so that the humidifying water is guided into the humidifying container from the water collecting tank. According to the vehicle humidifying system, the humidifying water in the water collecting tank can be guided into the humidifying container through the capillary tube, the water source of the humidifying device is guaranteed, meanwhile, the vehicle-mounted humidifying structure is simplified, and the stability and maintenance convenience of the system are improved.

The application relates to a kind of unpowered brackish water desalination device, it includes transparent evaporation tank, water collecting pool, transparent evaporation tank bottom lays iron powder and carbon powder, the upper portion of transparent evaporation tank is provided with multiple layers of grid plate, each layer of grid plate is formed by multiple strip-shaped plates side by side, two adjacent strip-shaped plates are arranged at intervals, the interval between two adjacent strip-shaped plates in the same layer is evaporation channel, each strip-shaped plate is provided with groove along the length direction, black sponge is placed in the groove, a plurality of fixing holes are arranged in the groove bottom, one capillary tube is fixed in each fixing hole, the upper end of the capillary tube is communicated with the groove, and the lower end of the capillary tube is close to iron powder and carbon powder;Several water intercepting strips are arranged above the uppermost grid plate in an inclined manner, the water intercepting strips are arranged staggered in height, the lower part of the water intercepting strips is inserted into the water outlet hole, and the water outlet hole is a strip-shaped hole;The water inlet of transparent evaporation tank is arranged below the lowermost grid plate;Transparent evaporation tank is also provided with a vent hole.The application is used for treating brackish water.

When laser-irradiation portions of N capillaries with capillary numbers n=1, 2, . . . , and N are arranged on a same plane, a laser-irradiation intensity of each capillary is denoted by L(n), and an output intensity of each capillary by a computer when a light emitting substance having an equal concentration exists inside each capillary is denoted by H(n), an absolute value of an average value of a second derivative of H(n) becomes smaller than an absolute value of an average value of a second derivative of L(n) for any refractive index n3 of a separation medium in a range of 1.33≤n3≤1.41 by digital correction by the computer, which changes according to the refractive index n3 (see FIG. 11).

The application provides an automatic sampling device applied to array capillary electrophoresis in the field of electrophoretic detection, which comprises a sampling unit and a multi-axis machine table, the sampling unit comprises a sampling cylinder table, a rotating feeding mechanism and a sliding frame are arranged in the sampling cylinder table, vertical capillary tubes are fixed on the sliding frame, outer protective tubes are sleeved with the capillary tubes, a flushing gap is arranged between the capillary tubes and the outer protective tubes, the bottom end of the outer protective tube is higher than the bottom end of the capillary tube, the top end of the outer protective tube is lower than the top end of the capillary tube, and a detector for detecting samples in the capillary tubes is fixed on one side of the sampling cylinder table; the capillary tubes are protected by the outer protective tubes and the flushing gap is designed, so that the capillary tubes can be regularly cleaned and maintained, the good performance of the capillary tubes is ensured, the sampling execution mechanism is integrated with multiple functions such as power supply, gel supply and cleaning agent supply, the detection efficiency of gel electrophoresis is effectively improved, the automatic sampling device has market prospects, and is suitable for popularization and application.

The invention discloses an oil and gas well capillary tube dosing and pressure measuring integrated system and a dosing and pressure measuring method, and the system comprises a ground dosing device which is arranged on the ground; the data transmission physical wave pickup unit is arranged at a chemical outlet of the ground chemical adding device; the data transmission physical wave pickup unit is electrically connected with a ground dosing device; the physical wave data transmission pressure gauge is arranged between the oil well pump and the screen pipe; the physical wave data transmission pressure gauge is electrically connected with the data transmission physical wave pickup unit; the inlet end of the capillary tube is connected with the data transmission physical wave pickup unit, and the outlet end of the capillary tube is connected with the physical wave data transmission pressure gauge; the capillary tube is disposed between the annulus of the tubing and the casing. According to the scheme, the construction process is simple, and annulus pressure monitoring is completed while efficient paraffin removal and corrosion prevention under an oil and gas well are achieved, and the gas well foam drainage effect is improved. The method has the advantages of low cost, simplicity in construction, capability of effectively prolonging the pump inspection and well repair period and the like.

The utility model relates to a gradienter for assisting wet etching of a solar cell. The gradienter comprises a U-shaped tube and a capillary tube, the left end and the right end of the U-shaped tube are connected with a left capillary tube and a right capillary tube respectively, and the left capillary tube and the right capillary tube are provided with scales. The U-shaped tube is filled with liquid, and the liquid also enters the left capillary tube and the right capillary tube; the left capillary tube and the right capillary tube are respectively fixed on the end surfaces of a rotating shaft corresponding to adjacent rollers in the chain type machine for wet etching, and the liquid level in the left capillary tube and the liquid level in the right capillary tube are positioned at the same scale position after the left capillary tube and the right capillary tube are fixed; if the liquid level of the left capillary tube and the liquid level of the right capillary tube are not at the same liquid level height, height deviation occurs between adjacent rollers in the chain type machine for surface wet etching. The device has the advantages of being easy to operate, convenient to maintain and high in measuring precision.

The invention provides an automatic sample introduction device applied to array capillary electrophoresis, which is applied to the field of electrophoresis detection, and comprises a sample introduction unit and a multi-axis machine table, the sample introduction unit comprises a sample introduction cylinder table, a rotary feeding mechanism and sliding frames are arranged in the sample introduction cylinder table, vertically arranged capillary tubes are fixed on the sliding frames, outer protective tubes sleeve the outer sides of the capillary tubes, and the outer protective tubes sleeve the sample introduction cylinder table. A flushing gap is formed between the capillary tube and the outer protective tube, the bottom end of the outer protective tube is higher than that of the capillary tube, the top end of the outer protective tube is lower than that of the capillary tube, and a detector for detecting a sample in the capillary tube is fixed on one side of the sample injection barrel table; through the protection of the capillary tube by the outer protection tube and the design of the flushing gap, the capillary tube can be regularly cleaned and maintained conveniently, the good performance of the capillary tube is ensured, the sample injection execution mechanism integrates multiple functions of power supply, gel supply, cleaning agent supply and the like, the detection efficiency of gel electrophoresis is effectively improved, and the application has market prospects and is suitable for popularization and application.

An underwater shock wave peak value measuring sensor based on a fiber bragg grating comprises a base, a hose, a capillary tube, an optical fiber and a hollow ball. The upper end of the sealed hose is fixed to the bottom of the base, the capillary tube is arranged in the center of the hose, the upper end of the capillary tube is fixed to the base, the optical fiber is arranged in the center of the capillary tube, the upper end of the capillary tube is fixed to the base, the grating is arranged in the middle of the optical fiber, the hollow ball is arranged at the bottom of the capillary tube and located in the hose, the hose is filled with filling liquid, and a balancing weight is arranged at the bottom of the hose. The sensor is simple in structure, convenient to operate, capable of sensing shock waves from any direction underwater, high in reliability and frequency response, flexible, practical, capable of rapidly measuring the peak value of the shock waves in water and low in cost.

The present invention discloses capillary-feeder modules and modular capillary-feeder bait stations for attraction, feeding, and control of nuisance flies that feed via a proboscis and methods therein. The bait stations include: capillary-feeder modules having: a liquid bait conducive to sugar-based feeding and / or blood-based feeding, a bait reservoir, and a capillary for providing feeding access while preventing bait loss due to dripping or evaporation regardless of the capillary orientation; optical targets configured for providing a high-contrast pattern of a light-to-dark or dark-to-light contrast pairing to the capillary relative to the reservoir; and attractant-diffusion modules having: an attractant; and a diffusion mesh for containing the attractant and regulating attractant diffusion; wherein each capillary-feeder module is proximally disposed to an attractant-diffusion module. An intermittently-applied voltage (IAV) can electrify the bait or the capillary exit orifices without fly repulsion to replace lethal toxins for killing the flies with electrocution as the lethal agent.

The application discloses a capillary hydrogen storage device and a manufacturing method of a capillary hydrogen storage unit thereof. The capillary hydrogen storage device comprises a capillary hydrogen storage unit, and the capillary hydrogen storage unit comprises a hydrogen storage unit support pipe, the upper end of the hydrogen storage unit support pipe is a hydrogen storage unit open end, the hydrogen storage unit open end is connected with a sealing valve, the lower end of the hydrogen storage unit support pipe is a hydrogen storage unit closed end, a plurality of primary composite pipes are arranged in the hydrogen storage unit support pipe, and capillary sub-pipes are arranged in the primary composite pipes and the gaps between the primary composite pipes and the hydrogen storage unit support pipe. The capillary hydrogen storage unit is wrapped by a shell and a buffer layer, the shell is made of a thin-wall metal and provides impact protection for the internal capillary hydrogen storage unit. The buffer layer is arranged between the shell and the capillary hydrogen storage unit, the buffer layer is made of relatively soft organic materials such as foam glue or epoxy resin, and the buffer layer can reduce the damage of external impact force to the internal capillary hydrogen storage unit. The capillary hydrogen storage device has the advantages of compact structure, light weight and high mechanical strength.

The utility model discloses an anti-ponding municipal road which comprises a road and a sidewalk, a plurality of curbs are arranged on both sides of the sidewalk, the curbs are mutually spliced together, the road and the sidewalk are separated through the curbs, one end of each curb is inserted into the ground, the other end of each curb is arranged at the upper end of the ground, and the road and the sidewalk are arranged on the road. Rainwater wells are arranged on the road at intervals, the sidewalk sequentially comprises a surface layer, a binding layer, a base layer and a cushion layer from top to bottom, a plurality of capillary tubes are vertically inserted into the top of the binding layer, the bottoms of the capillary tubes make contact with the base layer, a plurality of first permeable pipes are installed on the top of the base layer, and a plurality of second permeable pipes are further installed in the base layer. Each second permeable pipe is mounted at the bottom of the corresponding first permeable pipe, one end of each second permeable pipe is communicated with the curb, and drainage holes corresponding to the second permeable pipes are formed in the curb, so that the problems that an existing sidewalk road is poor in drainage performance, water is prone to being accumulated, and walking of people is affected are solved.

The invention belongs to the technical field of analytical chemistry and industrial gas detection, and discloses a gas chromatography method for detecting trace sulfur in synthesis gas, which comprises a sample injector, a chromatographic column, a detector and a data processing unit, and is characterized in that the system adopts an open tubular capillary chromatographic column with short size and small inner diameter; according to the present invention, by combining the constant temperature box and the chromatographic column flow control mode, various sulfides (such as H2S, COS and the like) in the synthesis gas are not separated in the chromatographic system, but flow out through the combined chromatographic peak, and based on the characteristics of good inertness and low adsorption of the system, only the single sulfide standard gas (such as COS standard gas) is required to perform calibration, such that the calibration accuracy is high; the total sulfur content in the synthesis gas can be rapidly and accurately quantified by detecting the area of the combined peak. The method is short in analysis time, low in detection limit and suitable for rapid quality monitoring of the synthesis gas process.

The utility model relates to a household type energy storage radiation air-conditioning system, which comprises a heat pump module, a heat pump module and an energy storage radiation air-conditioning module, the phase change buffer water tank module comprises a water tank, a water supply area and a water return area are arranged in the water tank and provided with phase change material packaging blocks, a water supply main pipe is connected with the water supply area, and a water return main pipe is connected with the water return area. The water mixing pump station module comprises a plurality of water supply and return branch pipe groups, and each water supply and return branch pipe group comprises a water supply branch pipe connected with the water supply area and a water return branch pipe connected with the water return area; the water inlet end of the capillary thermal activation module is connected with the water supply branch pipe in one water supply and return branch pipe set, and the water outlet end of the capillary thermal activation module is connected with the water return branch pipe in the water supply and return branch pipe set. The household type energy storage radiation air-conditioning system can solve the problem that a host is frequently started or energy conservation is not facilitated due to the fact that an existing air-conditioning system is low in cold storage capacity and heat storage capacity.

The invention relates to the technical field of analytical chemistry detection, in particular to a gas chromatography-low temperature plasma-ion mobility spectrometry combined device. The device comprises a gas chromatography unit, a low-temperature plasma ionization source and an ion migration tube. The gas chromatography unit comprises an inlet capillary tube, a capillary column and an outlet capillary tube which are communicated in sequence; an L-shaped air channel and a discharge area are arranged in an insulation base of the low-temperature plasma ionization source, one end of the L-shaped air channel is communicated with an outlet capillary tube, the other end of the L-shaped air channel is communicated with the discharge area, an insulation medium tube is coaxially installed in the discharge area, an inner electrode is arranged along the axis of the insulation medium tube and penetrates through the insulation base, and an outer electrode wraps the insulation medium tube. The high-voltage power supply is electrically connected with the two electrodes; the ion migration tube body is provided with a repulsion electrode, an ion gate, a Faraday disc and an air port, and an ion channel of the repulsion electrode is communicated with the discharge area. The device realizes efficient combination and improves the detection performance.

The application provides a pilot valve and a four-way valve, which comprise a main valve body part, a middle valve body and a secondary valve body part which are sequentially and sealingly connected; a core iron which is movably arranged in the main valve body part; a sliding part which is arranged in the main valve body part, the middle valve body and the secondary valve body part, and is connected with the core iron to move with the core iron; C capillary tubes, D capillary tubes, E capillary tubes and S capillary tubes, wherein the C capillary tubes and the D capillary tubes are connected with the main valve body part, the S capillary tubes are connected with the middle valve body, and the E capillary tubes are connected with the secondary valve body part; wherein the sliding part has a refrigeration position and a heating position, when the sliding part is in the refrigeration position, the D capillary tubes and the C capillary tubes are communicated, and the S capillary tubes and the E capillary tubes are communicated; when the sliding part is in the heating position, the D capillary tubes and the E capillary tubes are communicated, and the S capillary tubes and the C capillary tubes are communicated. Through the technical scheme, the problem of small flow in the prior art can be solved.

The utility model belongs to the technical field of air conditioning units, and particularly relates to a pipeline assembly and an air conditioning unit, which comprise a connecting pipe, a capillary tube, a plurality of arc-shaped plates, a plurality of upper clamping plates, a plurality of lower clamping plates, a clamping buffer assembly, a dustproof assembly and a quick release limiting assembly, the connecting pipe is connected with the capillary tube, the same connecting belt is fixedly installed on the outer arc faces of the multiple arc-shaped plates, the clamping and buffering assembly is arranged on the inner arc faces of the multiple arc-shaped plates, and the multiple upper clamping plates and the multiple lower clamping plates are arranged on the clamping and buffering assembly and matched with the connecting pipe and the capillary tube respectively. The clamping device is reasonable in design and compact in structure, can effectively clamp, fix and buffer a connecting pipe and a capillary tube, prevents the connecting pipe and the capillary tube from being damaged due to large impact force, can further limit and fix the connecting pipe and the capillary tube, improves the stability, and improves the working efficiency. And rapid maintenance, replacement and other operations can be conveniently carried out.

The invention discloses an anti-condensation control method for a five-constant system, which belongs to the technical field of heating ventilation air conditioners and comprises a chilled water pump, a fan coil, a capillary network, a first electric valve, a second electric valve, a third electric valve, a fourth electric valve and a control system. Chilled water flow direction switching is achieved through on-off combination of the electric valves; the control system comprises an environmental parameter acquisition module, a data processing module and an execution control module, a condensation risk judgment algorithm K = (Ts-Td) / deltaT0 (wherein Td = T-(100-phi) / 5) is built in the data processing module, and a cooling mode is controlled according to the K value: when K is greater than or equal to 1, only capillary network radiation cooling is performed; when K is smaller than or equal to 0, only the fan coil supplies cold and dehumidifies; and when K is greater than 0 and less than 1, the two are combined for cooling, and the opening of the electric valve is linearly correlated with the K value. The problem that condensation is prone to occurring when fresh air dehumidification of an existing system fails is solved, self-adaptive adjustment of the cooling mode is achieved, the condensation risk elimination rate is 100%, energy consumption is reduced by 15-20%, and the reliability and comfort of the system are improved.

The utility model discloses a practical thin pipe capillary structure which comprises a heat pipe, a braided wire layer and a capillary structure layer. One end of the heat pipe is a heating part, and the other end is a radiating part; a braided wire layer is arranged in the middle of the bottom surface of the heat pipe; a capillary structure layer is arranged on the inner wall of a heating part of the heat pipe, two ends of the capillary structure layer cling to a braided wire layer, the bottom of the braided wire layer is connected with the inner wall of the heat pipe, and the top of the braided wire layer is connected with the inner wall of the capillary structure layer. The layer capillary structure is a porous structure formed by sintering copper powder. The utility model has the technical effects and advantages that the heating area is filled with fine copper powder, so that heat conduction and heat exchange are facilitated, heat resistance is reduced, enough steam channels are ensured, and contact heat resistance is reduced; the temperature of the wafer can be effectively reduced; the thermal resistance is low, the power performance is good, and the manufacturing process is more stable.