189results about How to "Ensure close contact" patented technology

The present invention relates to, in part, methods, reagents and apparatuses for the detection of agents. The present invention also relates, in part, to compositions including, but not limited to, flow cells, assay chambers, reagent reservoir delivery units and devices for holding an assay chamber. The present invention also provides various components and combinations of components for various detection apparatuses. The present invention also relates to a portable agent detection apparatus that can be used in the field or at a point of care and is not limited to specialized laboratories or limited to use by highly skilled users.

The invention relates to a novel optical fiber Fabry-Perot pressure sensor and a fabrication method thereof. The optical fiber Fabry-Perot pressure sensor is used for detecting the relative pressure and absolute pressure of liquid and gas as well as sound wave signals, ultrasonic wave signals and the like. The structure of the optical fiber Fabry-Perot pressure sensor mainly comprises an optical fiber, an elastic diaphragm, a sensor body and a miniature spring. Two methods and an alternative method can be adopted to form a Fabry-Perot cavity and fabricate the sensor. The elastic diaphragm and the sensing optical fiber are tightly contacted in a plane-sphere point contact manner; when the outside pressure is changed to cause the deformation of the elastic diaphragm, the diaphragm can drive the optical fiber to axially move in the sensor body, so that the length of the Fabry-Perot cavity of the optical fiber is changed; after a broadband light source is connected, by scanning the spectrum of the light passing through the optical fiber Fabry-Perot pressure sensor or extracting low-coherence interference fringes, the change of the cavity length can be extracted, and thereby pressure information can be obtained. The structure can avoid the defect that the diaphragm of the conventional optical fiber Fabry-Perot pressure sensor cannot be over-deformed, and can obtain higher measurement precision.

The invention discloses a camera head for artificial intelligence which is easy to assemble and disassemble. It comprises a mounting plate and a fixing plate. The camera body and the lower part of the outer surface of the fixed plate are fixedly connected with two symmetrical baffles. The camera for artificial intelligence that is easy to disassemble and assemble can be snap-fitted to the fixed plate, and can quickly disassemble and assemble the camera. The falling of the fixing plate and the camera body can be avoided, and the fixing plate and the camera body can be taken out without disassembling the mounting plate. In normal use, it has a certain buffer performance, which ensures the relative stability of the fixed plate and the camera body, good stability and more convenient use.

The embodiment of the invention discloses a dielectric resonator and a cover plate unit thereof. The dielectric resonator comprises a cavity body, a cover plate unit and a dielectric resonant post, wherein the cover plate unit covers the cavity body to form a resonant cavity; the dielectric resonant post is arranged in the resonant cavity, and the lower end of the dielectric resonant post is contacted with the cavity body; the cover plate unit comprises an upper cover plate, a lower cover plate which is arranged below the upper cover plate, and an elastic component which is arranged between the upper cover plate and the lower cover plate; and the lower cover plate is stressed through deformation of the elastic component, so that the lower cover plate is tightly contacted with the upper end of the dielectric resonant post. Besides, the embodiment of the invention also discloses a dielectric filer and communication equipment using the same. By using the dielectric resonator, performance indexes of the communication equipment and the dielectric filer thereof can be optimized to a large extent.

The invention discloses a caisson and pile combined foundation of consolidated subsoil and a construction method of the caisson and pile combined foundation. The caisson and pile combined foundation of the consolidated subsoil comprises the consolidated subsoil, a sand-gravel cushion, a caisson, bored piles, pile bottom grout, top seal concrete and scour protection. The main construction method comprises the following steps: consolidating the foundation with an underwater compaction sand pile or a deep-layer cement mixing pile; laying the sand-gravel cushion on the consolidated subsoil; sinking the caisson with a skirt, pile sinking guide holes and grouting reserved pipes on the sand-gravel cushion; after the caisson is located, constructing bored piles through the pile sinking guide holes; after construction of the bored piles, casting the top seal concrete at the bottom in the caisson; grouting the bottom of the caisson through the grouting reserved pipes at the bottom of the caisson, carrying out pile bottom grouting through grouting pipes in the pile, and at last casting the top plate of the caisson. In the construction process, the scour protection shall be performed around the caisson according to requirements. The caisson and pile combined foundation of the consolidated subsoil and the construction method of the caisson and pile combined foundation, disclosed by the invention, can effectively improve vertical and horizontal bearing capacity of the caisson, and control sedimentation and horizontal displacement of the caisson.

In accordance with the present invention, a rotor of an electric motor including a rotor core, a plurality of magnets spaced apart from each other on an outer circumferential surface of the rotor core, and a cylindrical protective pipe surrounding the magnets is provided. The protective pipe has an inner diameter smaller than a diameter of a circumscribed circle passing through tops of outer surfaces of the magnets. A space defined by an inner surface of the protective pipe, the outer surfaces of the magnets and the outer surface of the rotor core is filled with resin, and the protective pipe is held so as to have a diameter larger than that of the circumscribed circle, due to injection pressure of the resin.

The invention relates to a power supply module and a vehicle. The power supply module comprises a battery pack and a box body; the box body has a cavity for fixing the battery pack; the battery pack comprises two or more overlaid framework units; a fixed plate for enabling the framework units to be in tight contact is arranged on the tab side of the battery pack; the fixed plate and the battery pack form an assembly part; and the assembly part is fixed in the box cavity which is matched therewith. The fixing structure of the power supply module can directly realize positioning and fixing through the fixed plate of the battery pack, and next, the well-fixed assembly part is put into a sealed box, so that the firm fixation of the power supply module is ensured while relatively high energy density and relatively high energy conversion ratio are achieved.

A method for moderation lower back pain includes the steps of mounting a non-invasive stimulation device onto the group of stimulation points surrounding K1 and FHA acupuncture points, generating a stimulation signal and stimulating the group of stimulation points surrounding K1 and FHA acupuncture points.

Disclosed are an efficient electric defrost device for a refrigerator, and a method thereof, belonging to the defrost field. In the device, a compressor, an oil separator, a condenser, a filter and a regenerator are connected in sequence through pipe flanges, and the regenerator is then connected with the compressor through a pipe flange; the regenerator, a solenoid valve, an expansion valve and a coil pipe are connected through pipe thread; the coil pipe is connected with a gas collecting pipe through welding; the gas collecting pipe is connected with the regenerator through a pipe flange; the gas collecting pipe is bound with a temperature controller; fins are inserted in the coil pipe and an electric heating pipe; a return air door is arranged on an enclosure box; a blower, the coil pipe, the fins, the electric heating pipe, the gas collecting pipe, the temperature controller and a temperature bulb B are arranged inside the enclosure box which is connected with a water discharge pipe through thread; and the electric heating pipe, the temperature controller, a controller, a protector and the solenoid valve are electrically connected. The method comprises the following steps: the device jumps off at 8 DEG C and gets resetted at 3 DEG C; the solenoid valve is closed in the refrigeration and defrost delay time, then the blower stops, while the compressor and the condenser start to work; the refrigerant enters into the condenser for cold storage; the return air door is closed; the electric heating pipe is electrified for defrosting in a set defrost time; the water discharge time is set; and the return air door is opened for refrigeration. The device is used for defrosting, which is energy-saving and highly efficient.

The invention belongs to the technical field of in-situ test equipment and relates to a creep test loading device for a non-metal anti-floating anchor. An anchor body is of a solid rod-shaped structure and is bonded with a steel casing pipe. H-shaped steel is perpendicular to a concrete cushion layer and is symmetrically arranged on the two sides of the anchor body. A counterforce beam is a box-type section formed by welding two pieces of H-shaped steel. The counterforce beam is provided with a steel base plate. The steel base plate, a penetrating jack, a spring, a steel plate, an anchor cable axial force meter and an anchorage device are stacked on the counterforce beam and arranged outside the steel casing pipe in a sleeved mode. The anchorage device is welded to the outside of the steel casing pipe. A dial indicator is arranged on L-shaped organic glass in an erecting mode. The L-shaped organic glass is arranged on the interface of the concrete cushion layer and the anchor body. A magnetic indicator base of the dial indicator is arranged on a standard beam arranged on a concrete buttress. The concrete buttress is arranged on the concrete cushion layer. The creep test loading device is simple in overall structure, convenient to install, high in testing precision and high in operability.

A split ring for mounting with elastic prestress in an annular groove of a rotary part of a turbomachine and having, in the free state, a diameter that is greater than the diameter of the groove, is remarkable in that, in the free state and without stress, the end portions of the ring are circular arcs having a radius of curvature that is substantially equal to the radius of curvature of the annular groove.

The invention provides a combined three-stage efficient desulfurization dust-removal system and a method thereof. The system comprises a dry dust remover internally provided with a turboseparator, a desulfurization purification tower and a centrifugal hydroextractor which are arranged between a flue gas generating device and a chimney in sequence and are communicated by an connecting channel, wherein a venturi is arranged at the front of the tangential inlet of the desulfurization purification tower, and a draught fan is arranged between the centrifugal hydroextractor and the chimney. In the method, firstly about 90% dust particles are removed in the dry dust remover by dry dust removal, then wet desulphurization dust removal is carried out in the venturi and the desulfurization purification tower for many times, and finally dehydration, dehumidify and discharge are carried out in the centrifugal hydroextractor. The wear of flue gas on the device is reduced with high dust removal efficiency and the invention enjoys good desulfurization effect, stable property, long service life and easy operation, thus thoroughly overcoming the disadvantages of easy corrosive wear of other desulfurization dust-removal devices.

The invention relates to a machine-made sand light-expansion high early strength grouting material and a preparation method thereof. The grouting material comprises the following ingredients: 40-55 wt% of machine-made sand, 40-55 wt% of ordinary portland cement, 1-5 wt% of expansion and shrinkage-reducing components, and 1-5 wt% of reinforcing component, wherein, the expansion and shrinkage-reducing component comprises high-alumina cement and anhydrite according to the weight ratio of 0.5 to 1.5 : 1, and the reinforcing component comprises polycarboxylic acid water reducer powder and siliceous dust according to the weight ratio of 0.05 to 0.15 : 1. The grouting material is prepared by carrying out two stage dry mix on the ingredients. According to the invention, the problem of difficult use of machine-made sand with large amount in the grouting material production is solved; the product has the advantages of high early strength, light expansion, no shrinkage and the like; and the preparation method has the advantages of simple process, low cost, and no secondary pollution. The invention can be widely applied for anchoring foundation bolt, embedding steel bar secondary grouting of device, reinforcing the beams, plates, columns and floors of buildings and the like, having a wide application range.

The invention provides a special cleaning system and method for the copper wire surface. The cleaning system comprises a supporting frame, a pay-off wheel, an operation table and a winding wheel. The pay-off wheel is arranged on the supporting frame. A copper wire sequentially passes the pay-off wheel, the operation table and the winding wheel. The cleaning system further comprises a tension roller, a washing device and a drying device. The operation table is sequentially provided with a first cleaning device and a second cleaning device. The copper wire sequentially penetrates the first cleaning device and the second cleaning device and then is connected with the washing device and the drying device through the tension roller. The washing device comprises a spraying device, a sponge roller and a water extrusion roller. The spraying device is arranged above the copper wire, the sponge roller is arranged above the tension roller, and the water extrusion roller is arranged below the sponge roller. The invention further provides the cleaning method corresponding to the cleaning system. According to the method, the surface of the copper wire is wrapped by the powder, dirt on the surface of the copper wire is amplified, cleaning is easier, and the copper wire surface cleaning efficiency is greatly improved.

An adjustable scrubbing implement for cleaning a surface is disclosed. A resilient base that comprises a center portion and a plurality of resilient fingers each is joined at a proximal end thereof to the center portion and extends radially away therefrom. The rigid cap comprises a side portion fixed at a top end thereof to an inside upper side of the cap, and terminates at a wider open lower end. The inside upper side includes a central aperture therethrough. The cap includes a handle receiving means pivotally fixed thereto for receiving a threaded end of an elongated handle. An adjustment means interposed between the cap and the resilient base moves the center portion of the base relative to the inside upper side of the cap. The downward angle of the fingers are defined by the relative distance between the center portion of the base and the inside upper side of the cap. Changing the downward angle of the fingers results in a change in the effective resiliency of the resilient base, which affects the amount of force required to cause the fingers to move into a compressed. As such, the scrubbing characteristics of the scrubbing implement may be selectively adjusted by adjusting the adjustment means.

Infant warming systems are described herein generally comprising a temperature regulation assembly which encloses a phase change material (PCM). The temperature regulation assembly may be initially heated (or re-heated) by water contained within a heating assembly and then placed within a retaining pouch of an infant bedding. The PCM may then provide constant heat over a period of time to the infant. A control / indicator interface coupled to the regulation assembly may constantly monitor the temperature of the PCM as well as the ambient temperature to provide one or more indications or alerts to the user with respect to one of several states of the warming assembly.

The invention discloses a technology for simultaneously preparing metallic magnesium and calcium carbide through a carbothermal method and belongs to the field of metallic magnesium smelting. The technology comprises the preparation steps that firstly, a magnesium oxide, a calcium oxide, a carbonaceous reducing agent and a fluorite catalyst are prepared according to the weight ratio of components; secondly, the prepared materials are mixed uniformly and then placed into a ball grinding mill with a screen to be ground and screened, and materials with different finenesses are obtained; thirdly, the screened materials are mixed uniformly and then sent into a high-pressure double-roller ball press machine to be pressed into balls and dried; and fourthly, the balls are placed into a vacuum reactor, the vacuum reactor is vacuumized, and metallic magnesium steam and the calcium carbide are produced under a certain pressure and a certain pressure. By utilizing the magnesium oxide and the calcium oxide, the magnesium and the calcium carbide can be produced simultaneously, energy sources are saved, environmental pollution is reduced, and the raw material utilization rate is increased greatly.

The invention belongs to the technical field of motor armature winding manufacturing, and particularly relates to a tool clamp for 6-layer rectangular copper wire motor stator end part connecting wirewelding. The tool clamp comprises an upper locking plate, a lower locking plate and a locking device, wherein the upper locking plate and the lower locking plate are coaxially arranged, and the locking device is used for fixing the upper locking plate and the lower locking plate; and the upper locking plate comprises upper locking holes, and the lower locking plate comprises lower locking holes which are arranged in one-to-one correspondence with the upper locking holes. According to the technical scheme, stator connecting wire connectors pass through the upper locking holes and the lower locking holes at the same time, and the locking plates are rotated to allow the upper locking holes and the lower locking holes to be staggered so that all the wire connectors can be fixed at one time, and effective welding is carried out after all the wire connectors are clamped; and a tool mechanism effectively carries out heat absorption and heat dissipation work, and welding is continuously carried out, so that labor is saved a lot, manpower and material resources are saved, the production cost is reduced, the production efficiency is improved, and the welding precision is controlled.

The invention relates to an adjustable multipurpose three-phase test set and belongs to the field of testing. The adjustable multipurpose three-phase test set comprises a test bar; the front end of the test bar is provided with a left phase contact probe, a middle phase contact probe and a right contact probe; the left, middle and right phase contact probes are correspondingly connected with three signal input ends of a three-phase tester; the three-phase tester is fixed to a handle of the test bar; two sides of a transverse bar at the front end of the test bar are provided with two rotary spring clamps, respectively; the left and right phase contact probes are fixed to the rotary spring clamps on two sides of the transverse bar, respectively; the middle phase contact probe is fixed to the transverse bar at the front end of the test bar through a spring. A measuring mode wherein three-phase measuring points are in contact at the same time is adopted, an operator contacts a live device fewer times, work is less dangerous for testing staff, interphase short circuit is avoided, the test set is suitable for test objects having different interphase distances, work preparation time is shortened, and testing speed can be increased. The test set is widely applicable to the field of three-phase power signal testing for low-voltage power supply systems.

The endosteal implant includes a metal base body on which the cavity or mechanical inlaying mechanism is set. The interior of the cavity or mechanical inlaying mechanism is filled up with degradable biological material, and the surface of the described metal base body is coated with biological active coating material, and the described degradable biological material is absorbable inorganic bio-active bone cement or composite material of beta-tricalcium phosphate and absorbable inorganic bio-active bone cement or polylactic acid and beta-tricalcium phosphate or beta-tricalcium phosphate and collagen or absorbable biocolloid and beta-tricalcium phosphate. The new bone can be grown into the cavity of implant from host bone along the interface of the filled degradable biological material so as to implement firm mechanial fixation.

The invention discloses a printed circuit board test connector. The printed circuit board test connector comprises an inner conductor, an outer conductor and an insulator, wherein the outer conductor is provided with a hollow cavity; the insulator and the inner conductor are arranged in the hollow cavity of the outer conductor; the inner conductor is isolated from the outer conductor by the insulator; the inner conductor comprises a first inner conductor and a second inner conductor which is inserted into the first inner conductor; a spring is nested in the first inner conductor; one end of the spring is resisted against the first inner conductor; and the other end of the spring is resisted against the second inner conductor. The printed circuit board test connector is simple and reliable in structure, and capable of realizing quick insertion and extraction, and connecting stability.

The invention relates to a feller delimbing device comprising a base plate and mechanical arms. The mechanical arms are connected on the base plate through shafts; the mechanical arms are controlled to move through a driving motor and are in arc shapes; a cutting knife set is arranged in each mechanical arm and comprises two parallel knife columns; each knife column comprises a knife seat and blades, and the blades stretch out of the upper surfaces of the mechanical arms; each knife column can translate in a reciprocating mode in the face where the blades are located; a driving roller is arranged on the inner annular wall of each mechanical arm and can rotate freely around the axis of the driving roller; the outer wheel face of each driving roller is exposed out from the inner annular wall of the corresponding mechanical arm; each driving roller is engaged with a set of cutting wheels through transmission wheels; transmission rods are installed on the wheel edges of the cutting wheels in a hinged mode; and the tail ends of the transmission rods are hinged to knife seats. The feller delimbing device is novel and unique in structure and capable of removing a limb in flat and smooth modes, blade clamping is effectively prevented, and working efficiency is improved.

The invention discloses a jumper wire automatic rib cutting device and a working process, and belongs to the technical field of automation equipment. The jumper wire automatic rib cutting device is characterized in that a cutting component comprises a conveying mechanism for conveying a tape, a cutter (23) and a cam lifting mechanism, wherein the cam lifting mechanism drives the cutter (23) to move up and down and cuts off a jumper wire from the tape; a sucking component includes a sucker (41) and a sucker lifting mechanism; the sucker lifting mechanism drives the sucker (41) to lift and sucks the jumper wire cut by the cutting component; a position detecting device is used for detecting the position of the cutter (23) and sends a signal to a control device; and the control device controls the conveying mechanism, the cam lifting mechanism and the sucker lifting mechanism to fit and cut the tape. The jumper wire automatic rib cutting device needs no labors to participate in the working process, is convenient to operate, is simple in working process, can guarantee the jumper wire cutting position to bring convenience for subsequent wire arrangement, and is high in working efficiency.

The invention discloses a black phosphorus-titanium dioxide-carbon composite anode material and a preparation method thereof, and application of a black phosphorus-titanium dioxide-carbon composite anode material. The preparation method comprises the following steps that: red phosphorus is subjected to a ball-milling reaction in an inert gas protective atmosphere to obtain nanoscale black phosphorus; black phosphorus, titanium dioxide and a carbon material are mixed in an inert gas protective atmosphere to obtain a mixture, and ball milling on the mixture is performed to obtain a black phosphorus-titanium dioxide-carbon composite anode material. Carbon and black phosphorus are linked through a C-P bond, so that tight contact between black phosphorus and the carbon material in the chargingand discharging process is guaranteed, and volume change in the black phosphorus lithium intercalation process is relieved. Ti-O-P bonds exist between titanium dioxide and black phosphorus, the utilization rate of the active material black phosphorus can be effectively increased, and the electron migration rate at the interface is increased. The black phosphorus-titanium dioxide-carbon composite anode material prepared by the invention is used as a lithium ion battery anode material, and shows the excellent cycle performance and the relatively high reversible capacity.

A hybrid endoprosthetic device comprises a stented tubular part and a branched tubular body connected such that a main lumen of the stented tubular part communicates with a main lumen of the branched tubular body. The branched tubular body has multiple branch lumens for connection with natural vessels of the vasculature, and includes at least one branch lumen for access to facilitate delivery and implantation of the hybrid endoprosthetic device by an endovascular step in a hybrid surgical procedure. The hybrid endoprosthetic device is configured to replace a part of the aorta and common iliac artery. A delivery system for use with the device is also disclosed.

The invention discloses a shear tension conversion flexible yielding anti-shearing anchor rod, which comprises a nut, a tray, a friction reducing washer, a core adjusting ball pad, a threaded steel rod body and several segments of tension shear conversion flexible yielding combined structures. The tension shear conversion flexible yielding combined structure comprises a threaded section and locking tool arranged at both ends, and a steel strand and steel protection pipe arranged in the middle, wherein the threaded section, the locking tool and the steel protection pipe are an integrally formedsteel structure, the thread sections at the two ends of the steel structure are respectively connected with the threaded steel rod body through threads; the steel strand is positioned in the middle of the steel protection pipe, the steel strand is locked with the steel protection pipe through the locking tool, and the steel protection pipe is connected with the threaded steel rod body through thethread sections at the two ends; the steel strand is in a bent and relaxed state. By using the shear tension conversion flexible yielding combined structure, the functions of 'high pre-tightening force, flexible yielding, shear tension conversion'can be achieved, and the material defect problems that 'the shear strength is low, the rod body is easily cut off', in a prior anchor rod can be effectively solved.

A rotary valve of a rotating fluid machine is constructed by bringing, into contact on sliding faces, a moving valve plate and a stationary valve plate, and high pressure working medium passages and low pressure working medium passages penetrate mating faces of a valve body and the stationary valve plate. By sealing the outer circumference of the mating faces with a first sealing member and sealing the circumference of the low pressure working medium passages with a second sealing member inside the first sealing member in the radial direction, the pressure of a high pressure working medium leaking out of the high pressure working medium passages to the mating faces is caused to act on substantially the whole area of the mating faces, thereby preventing local deformation of the stationary valve plate and ensuring close contact between the sliding faces.

The invention provides a mini-type non-cooling plasma jet igniter which mainly comprises an anode, a cathode, a whirlcone, ceramic parts, a shell, a spring, and an air supply pipeline (cathode connection pipe), wherein parts such as the anode, the cathode and the ceramic parts are pressed and fixed via the shell and the spring; and the cathode is in plug-in connection with the cathode connection pipe. The mini-type non-cooling plasma jet igniter has the advantages that the size is small; the weight is light; the use is convenient; the mounting and the maintenance are simple; the ignition capability is high; and repeated ignition can be realized. The mini-type non-cooling plasma jet igniter can serve as an ignition device for various heaters, combustion chambers, aero-engines and ATR combined engines.