13results about How to "Distance" patented technology

Disclosed is a stator assembly, including: a housing (10), wherein the housing (10) has an accommodating cavity (11), and a bottom surface of the housing (10) is provided with an accommodating groove (12); a stator (20), disposed at a bottom of the housing (10), wherein a middle of the stator (20) is of a hollow structure, and the hollow structure is disposed corresponding to the accommodating groove (12); a circuit board (30), disposed in the accommodating cavity (11), wherein the circuit board (30) is electrically connected with the stator (20) by a contact pin (40); and a sensor (50), disposed in the accommodating cavity (11), wherein the sensor(50) is electrically connected with the stator (20), and the sensor (50) is located on a side of the circuit board that is away from the stator (20). Further disclosed is an electronic expansion valve including the stator assembly. The problem of large processing difficulty of the electronic expansion valve in the prior art can be solved.

A method of terminating an optical fiber having an inner core with a fiber optic connector including a ferrule having a micro-bore and an end face with a mating location is disclosed. The method includes determining a bore bearing angle of a bore offset of the micro-bore in the ferrule; determining a core bearing angle of a core offset of the inner core in the optical fiber; orienting the ferrule and the optical fiber relative to each other to minimize the distance between the inner core and the mating location; heating the ferrule to an processing temperature above room temperature; and coupling the optical fiber to the micro-bore of the ferrule. The size of the micro-bores and optical fibers may be selected to maximize the number of interference fits in a population of ferrules and optical fibers while minimizing failed fittings between the ferrules and optical fibers in the populations.

An embodiment of the present invention relates to a cylindrical secondary battery comprising: a cylindrical can having one open end; an electrode assembly received in the can, and wherein a first electrode plate having a first electrode uncoated part, a separator, a second electrode plate having a second electrode uncoated part disposed in a direction opposite to the first electrode uncoated part are stacked and wound into a cylindrical shape; and a cap assembly for closing the open end of the can while the electrode assembly is received in the can, wherein an end of at least one of the first electrode uncoated part and the second electrode uncoated part is bent to form a bending part. An embodiment of the present invention is advantageous for a welding process in that, when a current collection plate is welded, the thickness and number of weldable substrates are increased and the gaps between the substrates are reduced, thereby increasing the heat capacity of a welding part. Furthermore, there are fewer empty spaces between the substrates after the substrates are compacted for welding than a structure having no bending part, and thus the electrode plates or the separator can be prevented from being damaged due to the penetration of welding heat, thereby improving a stability risk.

The present invention discloses a non-contact body temperature measurement method and system, belonging to the field of temperature measurement technology. In view of the problems that infrared temperature measurement in the prior art has large restrictions on the measurement position and low measurement accuracy, the present invention provides a non-contact body temperature measurement method and system, which uses a visible light camera and a thermal camera for data collection at the same time, detects the image data collected by the camera through a face detection algorithm, and then performs face matching on the face data collected by the visible light camera and the face data collected by the thermal camera, reads the forehead temperature set in combination with the range of the forehead, processes the forehead temperature data, and obtains the final measured temperature. The measurement result can also be displayed or alarmed through a human-computer interaction device. The present invention can realize long-distance non-contact body temperature measurement, and has high measurement accuracy and strong reliability, and is particularly suitable for security inspection in public places such as stations and airports.

A driving device and a control valve. The driving device (100) comprises a first driving assembly (20) and a second driving assembly (30), the first driving assembly (20) comprises a first motor (21), the second driving assembly (30) comprises a second motor (31), the first motor (21) comprises a first body (211) and a first power supply terminal (212), the second motor (31) comprises a second body (311) and a second power supply terminal (312), a plurality of wire segments (401) are in corresponding electrical connection to the first and second power supply terminals (212, 312), each wire segment (401) comprises a wiring segment (402), projection is performed toward a bottom wall portion (11) along the height direction of the driving device (100), the orthographic projections of at least part of the wiring segments (402) at least partially overlap with the orthographic projections of the bodies, and the width of a gap between the two bodies is less than a maximum width between the two wiring segments (402). The driving device has a smaller size.

A parallel link mechanism includes three or more link mechanisms that couple a fixed base and an end-effector base. The end-effector base has a facing surface facing the fixed base. The link mechanisms each include a proximal-end joint, a proximal link, an intermediate joint, a distal link, and a distal-end joint. The proximal-end joint is rotatably coupled to the fixed base. The proximal link is coupled to the proximal-end joint. The intermediate joint is provided to the proximal link. The distal link is rotatably coupled to the proximal link via the intermediate joint. The distal-end joint rotatably couples the distal link to the end-effector base. The point of intersection at which the extensions of the axes of rotation of the proximal-end joints, the extensions of the axes of rotation of the intermediate joints, and the extensions of the axes of rotation of the distal-end joints intersect is the center of rotation of the end-effector base. The center of rotation of the end-effector base is positioned in a first direction with respect to the facing surface.

A ball screw device includes a nut having an internal thread and two outer peripheral raceway surfaces, a screw shaft having an external thread and two inner peripheral raceway surfaces, a plurality of balls arranged on two rolling paths, and two circulation components provided at one end and the other end of the nut to circulate the balls. The internal thread and the external thread hold the balls. The nut has a cylindrical shape and includes a cylindrical body having the external thread and the outer peripheral raceway surfaces, and two return paths penetrating the cylindrical body in an axial direction parallel to an axis of the screw shaft. Each of the circulation components includes a main body fixed to the cylindrical body of the nut, two communication paths penetrating the main body and communicating the two rolling paths and the two return paths, a communication path partition wall between the two communication paths so as to partition the two communication paths, and two tongues protruding from the main body to the rolling paths.

A nanoparticle comprising a metallic nanoparticle, a polymer layer covering a surface of the metallic nanoparticle, and a nanosized specifically bondable substance that is bonded to a surface of the polymer layer and is to be specifically bonded to a test substance in a specimen.

Embodiments of this application provide a grounding spring and an electronic device. The grounding spring is applied to an electronic device. The electronic device includes a camera assembly, a camera bracket configured to mount the camera assembly, and a main board. The main board has a grounding area. The grounding spring includes a body part and a grounding part. The grounding part is located on one side of the body part and is fixedly connected to the body part. A side that is of the grounding part and that is away from the body part is configured to connect to the grounding area. A side that is of the body part and that is away from the grounding part is bent in a direction close to the grounding part to form a first bending part, and a side that is of the first bending part and that is close to the grounding part is bent in a direction away from the grounding part to form a second bending part. First accommodating space is formed between the first bending part and the second bending part, and the first accommodating space is configured to accommodate a partial structure of the camera bracket. The second bending part includes a first contact subpart, and the first contact subpart is directly connected to the camera assembly.

The utility model relates to daily necessities technical field, concretely is a kind of adjustable windproof antiskid clothesline, including rope body and locking mechanism;Locking mechanism includes first rotating frame and second rotating frame, three first fixed blocks being arranged on first rotating frame and second rotating frame, fixed cylinder being arranged on first fixed block, telescopic link being slidably connected in fixed cylinder, second fixed block being arranged on telescopic link, spring being arranged on the both ends of first fixed block and second fixed block respectively, arc clamping plate being arranged on second fixed block, connecting lug being arranged on first rotating frame and second rotating frame, two bolts being penetrated through connecting lug, and nut being threadedly connected on bolt;Bolt and nut are all mutually abutted with connecting lug.The utility model can directly install and disassemble the fixing structure on hanger, need not from the end of rope body to sleeve, improve the use convenience of clothesline.

Provided is a top cover structure. The top cover structure includes a top cover and a pole assembly. The top cover includes a body and an outer protrusion portion. The outer protrusion portion is ringed at the edge of the body and protrudes in a direction facing away from a cell. An end of the outer protrusion portion is provided with a welding portion. The welding portion is welded to a housing of a battery. The body is formed with an assembly hole. The pole assembly is configured to seal the assembly hole. The welding portion is disposed away from the battery cell, that is, the distance between the welding portion and the internal component of the battery is increased. In this manner, it is possible to prevent welding heat from being transferred to the inside of the battery, thereby avoiding damage to the internal component. Thus, the sealing property between the top cover structure and the housing is ensured, and at the same time, the quality of the battery is ensured. A battery is also provided. The battery includes a housing and the preceding top cover structure. The housing includes a port portion. An end of the port portion is welded to a welding portion along a circumference of the welding portion.

A circular saw blade (1) includes a disc-shaped base metal (2) having an outer diameter of 200 mm to 500 mm, and first tips (11) and second tips (13) arranged alternately along an outer circumference of the base metal (2). The circular saw blade (1) has a blade thickness (1a) of 0.8 mm to 2.0 mm. The first tips (11) and second tips (13) have cutting edges (11c, 13c) and a pair of chamfers (11f) at both ends of the cutting edges (1 1c,13c). A first groove (12) and a second groove (14) are formed in a flank so as to extend in a circumferential direction of the cutting edges (11c, 13c). The first groove (12) includes a first groove bottom (12e) that is deepest in a radial direction at a position of a first distance (13a) from a thickness center (7c) in a first thickness direction. The second groove (14) has a second groove bottom (14e) that is deepest in the radial direction at a position of a second distance (15b) from the thickness center (7c) in a second thickness direction opposite to the first thickness direction. A sum of the first distance (15a) and the second distance (15b) is 0.35 mm or less.

The present invention relates to a secondary battery capable of reducing costs and increasing capacity. For example, disclosed is a secondary battery characterized by comprising: an electrode assembly including a first electrode, a second electrode, and a separator; a case accommodating the electrode assembly; and a cap assembly coupled to the upper portion of the case, wherein the first electrode comprises: a first current collector; a first current collecting tab structure extending from the first current collector and having a plurality of bent current collection parts; and a first lead tab electrically connected to the first current collecting tab structure, wherein, in the first current collecting tab structure, the width of the current collection parts increases from the center of the electrode assembly to the outside, and the distance between the current collection parts increases.