Abstract: A connector includes a body having a first receiving cavity, the first receiving cavity having an inner wall, and a terminal received in the first receiving cavity. The terminal has a circumferential wall that forms a channel and a first set of resilient arms disposed on the circumferential wall and extending towards the channel. The first set of resilient arms electrically contact a pin terminal inserted into the channel.

Abstract: A cluster block housing for electrical leads includes a plurality of connected casings that are separable and identically shaped. Each casing of the plurality of casings includes a plug-receiving aperture. Adjacently connected two casings of the plurality of casings are adapted to be positioned adjacently at a plurality of positions relative to each other. Each of plurality of positions corresponds to a distinct distance between the plug-receiving apertures of the two adjacent casings. The plug-receiving apertures are maintained in a row in each of the plurality of positions.

Abstract: An electrical connector housing comprises a body, a locking portion, and a securing portion. The body defines a receiving cavity adapted to receive a terminal, and an insertion hole adapted to receive a conductive connecting element, such that the conductive connecting element electrically connects the terminal. The locking portion is movably connected to the body and movable from a first position to a second position after the conductive connecting element is inserted. In the second position, a wedge-shaped structure arranged on at least one of the body or the locking portion is adapted to increase a retention force between the terminal and the conductive connecting element. The securing portion selectively secures the locking portion in the second position.

Abstract: A lithium battery positive electrode material precursor and its preparation method and application are provided. The positive electrode material precursor has the chemical formula NixCoyMzTp(OH)q and contains secondary particles in the form of microspheres formed by agglomeration of primary particles. The microspheres have a three-layer structure from the inside to the outside, namely an inner core layer, a middle layer and an outermost layer. The ratio of the intensity of the (110) and (102) crystal planes diffraction peaks expressed as peak height in the XRD diffraction pattern of the inner core layer of the microsphere is 1.0-8.0. The positive electrode material prepared by using the positive electrode material precursor has high discharge specific capacity and good cycle stability and can be used in high-performance lithium batteries.

Abstract: A connecting terminal is adapted to connect a plurality of insulated wires together and includes a terminal body and a cap. The terminal body defines a receiving cavity having an inner wall. The inner wall includes a toothed structure adapted to pierce through insulation layers of the insulated wires in response to crimping of the terminal body. The cap is sleeved over the terminal body and is adapted to insulate the terminal body from an external environment.

Abstract: A connecting terminal includes a bottom plate having a plurality of bumps and/or a plurality of recesses arranged on a surface of the bottom plate, a first arm extending from a first end of the first arm to a second end of the first arm, and a second arm extending from a first end of the second arm to a second end of the second arm. The first end of the first arm and the first end of the second arm are respectively coupled to a pair of sides of the bottom plate, and the first arm, the bottom plate, and the second arm form a space for accommodating a wire. The bumps and/or the recesses scrape an insulated layer of a wire and form an electrical connection with the wire.

Abstract: A conductive terminal includes a first pair of clamping arms forming a first clamping portion for connecting with a wire, and a second pair of clamping arms connected to the first pair of clamping arms by a connecting part. The first clamping portion has a first clamping sub-portion and a second clamping sub-portion distributed along a length direction. The second pair of clamping arms forms a second clamping portion. The second clamping portion has a third clamping sub-portion and a fourth clamping sub-portion distributed along the length direction. The first clamping sub-portion corresponds to the third clamping sub-portion in the length direction. A width of the first clamping sub-portion is greater than a width of the third clamping sub-portion. The second clamping sub-portion corresponds to the fourth clamping sub-portion in the length direction. A width of the second clamping sub-portion is less than a width of the fourth clamping sub-portion.

Abstract: An electrical connector comprises a housing and a terminal position assurance. The housing includes a cavity extending along a cavity axis, with one side of the cavity having a positioning hole, and a pair of sides. The terminal position assurance has a top wall having a positioning column extending downward therefrom and aligned with the positioning hole, and two side walls extending downward from the top wall. The side walls selectively engage with the pair of sides of the housing in a first locking position and a second locking position. The first and second locking positions are defined along an actuation axis perpendicular to the cavity axis. In the first locking position, the positioning column is held out of the cavity. In the second locking position, the positioning column is moved into the cavity and is adapted to engage with a terminal arranged within the cavity.

Abstract: An insulation displacement terminal adapted to connect to a wire includes a first pair of elastic arms and a second pair of elastic arms. The first pair of elastic arms has a first pair of elastic sub arms arranged opposite to each other in a width direction of the terminal. The first pair of sub arms has a first pair of wire contact parts disposed thereon and are adapted to pierce an insulation layer of the wire such that the first pair of wire contact parts electrically connects to the wire. The second pair of elastic arms is arranged directly adjacent to the first pair of elastic arms in a thickness direction of the terminal. The second pair of elastic arms has a second pair of sub arms arranged opposite to each other in the width direction.

Abstract: A system for precision displacement measurement based on a self-traceable grating interference includes a coherent light source, a photoelectric detection module, a self-traceable grating and a signal processing module. The self-traceable grating is arranged on a to-be-measured displacement motion platform. The coherent light source, the photoelectric detection module and the signal processing module are sequentially connected. Laser generated by the coherent light source propagates through the photoelectric detection module and is incident on the self-traceable grating, diffracts with the self-traceable grating, returns to the photoelectric detection module to continue propagating and enters the signal processing module. The signal processing module collects an interference signal to obtain a motion displacement and a motion direction.

Abstract: A connection terminal for use with a plug-in terminal includes a terminal body and a tongue. The tongue extends from a first end of the terminal body along an axial direction of the connection terminal and defines a locking element. A first curled portion and a second curled portion are disposed oppositely on two sides of the terminal body. The first curled portion and the second curled portion define at least one first reinforcing rib and at least one second reinforcing rib, and include a first abutting portion and a second abutting portion. A plug-in space is formed between the first and second curled portions and the terminal body for receiving the plug-in terminal. With the plug-in terminal inserted into the plug-in space, the first abutting portion and the second abutting portion abut against the plug-in terminal, and the locking element locks the plug-in terminal within the plug-in space.

Abstract: A housing for an electrical connecting terminal comprises a body defining a cavity for accommodating the connecting terminal, and a latch member located in the cavity. The latch member extends from a bottom surface of the cavity toward a top surface of the cavity and includes an opening located proximate the bottom surface of the cavity and a locking portion for locking the connecting terminal within the body.

Abstract: An electrical connector comprises a housing defining a receiving slot adapted to receive a pin of a cluster block, and a connection terminal provided in the housing. At least one of the housing or the connection terminal defines an anti-shaking structure adapted to prevent the shaking of the electric connector with respect to the cluster block when the electrical connector is coupled with the cluster block.

Abstract: A clamping terminal comprises a first elastic arm disposed at one end thereof and includes a first elastic beam and a first upper sub-arm coupled to the first elastic beam. A second elastic arm is disposed at the other end of the clamping terminal and includes a second elastic beam and a second upper sub-arm coupled to the second elastic beam. A shared elastic arm assembly is disposed between the first elastic arm and the second elastic arm and includes at least one shared elastic beam. Two sides of the shared elastic beam are coupled to shared sub-arms respectively, such that the first elastic arm is disposed opposite to one side of the shared elastic arm assembly to form a first sub-clamping terminal. The second elastic arm is disposed opposite to the other side of the shared elastic arm assembly to form a second sub-clamping terminal.

Abstract: A connector housing includes a body having a first accommodating cavity accommodating a first terminal. A first insertion hole penetrates a first surface of the body and communicates with the first accommodating cavity. A guiding portion of the body surrounds at least a portion of the first insertion hole.

Abstract: A terminal includes a bottom wall having a through hole, a pair of sidewalls disposed on a pair of sides of the bottom wall, and a first elastic arm extending from a first side of the through hole in a direction away from the bottom wall. The sidewalls and the first elastic arm contact a pin inserted into the through hole.

Abstract: A system for precision displacement measurement based on a self-traceable grating interference includes a coherent light source, a photoelectric detection module, a self-traceable grating and a signal processing module. The self-traceable grating is arranged on a to-be-measured displacement motion platform. The coherent light source, the photoelectric detection module and the signal processing module are sequentially connected. Laser generated by the coherent light source propagates through the photoelectric detection module and is incident on the self-traceable grating, diffracts with the self-traceable grating, returns to the photoelectric detection module to continue propagating and enters the signal processing module. The signal processing module collects an interference signal to obtain a motion displacement and a motion direction.

Abstract: A lithium battery positive active material precursor, a preparation method therefor and the use thereof are provided. The precursor has a chemical formula of NixCoyMz(OH)2, wherein M is at least one metal selected from the group consisting of Fe, Cr, Cu, Ti, Mg, W, Mo, Nb, Zn, Sn, Zr, Ga, Mn and Al, 0.3?x?1, 0<y?0.5, 0<z?0.3; and the precursor comprises aggregates of platy monocrystals and polyhedral monocrystal particles. In the XRD pattern of the precursor, I(001), I(100) and I(101) satisfy the following relationship: I(001)/I(100) is not less than about 1.5, and I(001)/I(101) is not less than about 1.2.

Abstract: An electrical connector includes a main body portion having a receiving passage adapted to receive a plate-type plug inserted in an insertion direction, and a locking protrusion formed on the main body portion and protruding toward the receiving passage. The locking protrusion has a connection portion adapted to connect a top portion of the locking protrusion with the main body portion downstream in the insertion direction.

Abstract: A clamping terminal comprises a first elastic arm disposed at one end thereof and includes a first elastic beam and a first upper sub-arm coupled to the first elastic beam. A second elastic arm is disposed at the other end of the clamping terminal and includes a second elastic beam and a second upper sub-arm coupled to the second elastic beam. A shared elastic arm assembly is disposed between the first elastic arm and the second elastic arm and includes at least one shared elastic beam. Two sides of the shared elastic beam are coupled to shared sub-arms respectively, such that the first elastic arm is disposed opposite to one side of the shared elastic arm assembly to form a first sub-clamping terminal. The second elastic arm is disposed opposite to the other side of the shared elastic arm assembly to form a second sub-clamping terminal.