32results about How to "Ensure mutual insulation" patented technology

The invention discloses an embedded touch screen and a display device. The embedded touch screen comprises multiple connection wire groups arranged on a layer different from a layer where self capacitance electrodes are located besides guide wires and the self capacitance electrodes, wherein each connection wire group comprises multiple segments of sub connection wires arranged at intervals, each sub connection wire of each connection wire group is corresponding to each self capacitance electrode, each sub connection wire and each self capacitance electrode corresponding to each sub connection wire are connected through at least one via hole which runs through an insulating layer, no via hole is formed in an overlapped area of each guide wire and each self capacitance electrode, and each guide wire is connected with the corresponding self capacitance electrode through at least one sub connection wire connected with the corresponding self capacitance electrode of each guide wire. The embedded touch screen guarantees that the via holes are evenly distributed by evenly forming the via holes in the areas of the embedded touch screen, corresponding to all the sub connection wires. Accordingly, the embedded touch screen can solve the problem that display frames are not even, caused by uneven distribution of via holes in an insulating layer in the prior art.

The invention provides a wound battery cell and a preparation method thereof, a battery and an electronic product. The wound battery cell comprises a positive plate, a negative plate and an insulatingdiaphragm located between the positive plate and the negative plate, wherein the negative plate comprises a negative substrate layer, a negative coating and a negative tab arranged on the surface ofthe negative substrate layer, the negative coating covers the surface of the negative substrate layer, the negative coating is provided with a tab connecting area avoiding the negative tab, and the negative tab is located in the tab connecting area; the insulating diaphragm between the tab connecting area and the positive plate is provided with a barrier layer covering the tab connecting area, andthe barrier layer is used for preventing lithium ions from passing through, so that metal lithium can be prevented from being separated out and attached to a coating-free area near the negative tab in the quick charging process of the battery, and the safety risk caused by lithium separation of the lithium ion battery in the quick charging process is reduced.

The invention relates to the technical field of mechanical property testing devices, and particularly relates to a device for a tensile test of a metal material under the function of current. The device comprises a fixture and a tensile sample, wherein the fixture comprises a clamping seat, an insulating ceramic bar, an insulating upper padding plate and an insulating lower padding plate, one end of the clamping seat is provided with a U-shaped groove, the insulating upper padding plate, the tensile sample and the insulating lower padding plate are sequentially arranged in the U-shaped groove from top to bottom, and the insulating ceramic bar penetrates through the clamping seat, the insulating upper padding plate, the tensile sample and the insulating lower padding plate. By adopting the structure, the fixture of a tensile testing machine is not needed to be modified, the mechanical property of the metal material under the function of current can be measured through the tensile test by only clamping the fixture onto the tensile testing machine and utilizing the tensile sample provided by the invention, and meanwhile, the fixture can ensure that the tensile sample is insulated from tensile equipment.

The invention provides a device for constant-pressure electromagnetic forming of a metal plate under the action of heterodromous currents. The device comprises a u-shaped mold, and further comprises acapacitance power module, a magnet supply branch and two vertical side pressing plates. The capacitance power module comprises an energy storage capacitor. The magnet supply branch comprises a constant-pressure coil and is connected to the two ends of the capacitance power module. The upper ends of the side pressing plates are bent oppositely and extend to form closed plates, and therefore a containing cavity with an opening being downward is formed between the two side pressing plates and below the two closed plates. The constant-pressure coil is fixedly arranged in the containing cavity. During use, a power supply branch is formed by the two closed plates, the two side pressing plates and the to-be-formed metal plate; the power supply branch and the magnet supply branch are connected inparallel and are connected to the two ends of the capacitance power module by taking the free ends of the two closed plates as the electric access points. When the energy storage capacitor carries out discharge, discharge currents opposite in direction are formed in the constant-pressure coil and the power supply branch. According to the device, the magnitude of the currents on the formed plate is enhanced, the stress balance performance of the constant-pressure coil is improved, and processing capacity is improved.

The invention relates to an Y63-series special-type electric connector for high-speed rails, comprising a shell, an insulator and circular contact elements. The shell comprises a front shell and a back shell, the insulator comprises a front insulator and a back insulator, the front insulator is arranged in the front shell, more than one circular contact element is connected to the back insulator,and the back shell presses out the back insulator between the front shell and the back shell so that the part of more than one circular contact element, which is over the back insulator, is arranged in the front insulator. The front shell and the back shell are connected in series with the front insulator and the back insulator by central screw assemblies to form an electric connecting line with a vertical outside-line opening, and the circular contact elements with hermaphroditic structures, which are inserted on the back insulator, are matched, thus the electric connector has the advantagesof simple and compact structure, stability and firmness in connection, good sealing performance, high switched-on power performance and high safety, and is suitable for train control system responderunits of high-speed rails, underground railways and the like.

The invention provides a voltage-sharing shielding ring hyper-frequency signal lead-out device in a basin-type insulator, which is used for leading out a hyper-frequency signal of a GIS (Gas Insulated Switchgear). The device comprises a conductive lead-out rod arranged inside a bolt mounting hole of the basin-type insulator to be electrically connected with a voltage-sharing shielding ring, insulated fixed sleeves sleeving on the outer side of the conductive lead-out rod to insulate the conductive lead-out rod from an outer casing and insulate the conductive lead-out rod from an outer conductor of a monitoring device, and metal conductive bands arranged on the outer surface of the insulated fixed sleeves and capable of being electrically connected with the outer casing. The invention is used in the fields of partial discharge monitoring and fault diagnosis, avoids the phenomena that the sensitivity of an external sensor of the GIS is poor and an internal sensor of the GIS affects the insulativity, and provides the signal lead-out device; the structures of all the components of the device are simpler, the assembly of the components and the operation of integrally mounting with the GIS are comparatively convenient and fast, and the purpose that the GIS is monitored more precisely, conveniently and quickly can be achieved.

The invention discloses a super-high-enthalpy arc heater anode. With the super-high-enthalpy arc heater anode adopted, a situation that arc heaters in the prior art cannot be used for simulating environments with super-high-enthalpy values can be avoided. The arc heater anode includes a plurality of anode terminals, an insulating ring, a cavity and a plurality of resistors; the plurality of anode terminals are fixed onto the insulating ring in a manner that the plurality of anode terminals do not contact with each other, so that the plurality of anode terminals can be mutually insulated; the cavity is taper-shaped; one large-inner diameter end of the cavity is fixedly connected with the insulating ring; the direction of an electric arc changes when the electric arc passes through the cavity the inner diameter value of which is gradually increased, and therefore, a resulting magnetic force makes plasmas flow to and concentrate at a center region of the cavity, and accelerate; one end of each resistor is electrically connected with an anode terminal, and the other end of the corresponding resistor is electrically connected with the positive pole of a power source; the root of the electric arc can be uniformly divided into a plurality of root units through adjusting the resistance values of the resistors, and the plurality of root units are attached to the plurality of anode terminals, and therefore, a uniform flow field can be generated. The super-high-enthalpy arc heater anode of the invention can be applied to simulation high-altitude thermal environments in which aerospace crafts returning from deep space exploration.

The embodiment of the invention discloses a light board, a backlight module and a curved display device. The light board comprises a substrate basal plate, multiple light sources and an insulation structure; multiple bonding pads are arranged on the substrate basal plate; each the bonding pad comprises a first part and a second part; the light sources are electrically connected with the substratebasal plate through the bonding pads; orthographic projection of the first part in the plane, where the substrate basal plate is, is positioned in corresponding orthographic projection of the light source in the plane, where the substrate basal plate is; and orthographic projection of the second part in the plane, where the substrate basal plate is, is positioned in orthographic projection of theinsulation structure in the plane, where the substrate basal plate is. According to the light board in the embodiment of the invention, the short-circuiting problem due to the fact that bonding pads of adjacent light sources are easily contacted when the light board is curved can be solved; mutual insulation among the bonding pads is ensured; simultaneously, the insulation structure can be used for relieving bending stress of the bonding pads; and breakage of the bonding pads when the light board is curved is prevented.

The invention relates to a circuit breaker which comprises an arc extinguish chamber barrel fixedly provided with an arc extinguish chamber and an operating mechanism arranged on one side of the arc extinguish chamber barrel, and a supporting structure supported on a movable support is arranged in the arc extinguish chamber barrel. The supporting structure comprises two electric conductors, the upper ends of the two electric conductors are connected through a closing resistor, and the circuit breaker comprises a closing resistor containing cavity used for covering the closing resistor. The circuit breaker further comprises a closing resistor static contact and a closing resistor moving contact, the closing resistor static contact comprises static contact split bodies arranged on the two electric conductors respectively, and the closing resistor moving contact is used for stretching into and being clamped between the two static contact split bodies so as to short-circuit the closing resistor. According to the embodiment of the invention, the arc extinguish chamber cylinder only needs to be provided with the closing resistor accommodating chamber with the corresponding size at the position, corresponding to the closing resistor, of the upper side of the arc extinguish chamber cylinder, and the overall size of the arc extinguish chamber cylinder in the radial direction and the axial direction cannot be affected.

The invention discloses a material temperature measuring device for a soaking furnace. The material temperature measuring device comprises a cylinder passing through a furnace wall, a guiding mechanism, and a driving mechanism. Four metal rods penetrate the cylinder; and two of the four metal rods are nickel-chromium alloy rods and the other two rods are nickel-silicon alloy rods. Guiding wheels are fixed on a rack and are in contact with the outer surface of the cylinder. The driving mechanism drives the cylinder to make axial reciprocating motion. A longitudinal insulating plate is arrangedinside the cylinder along the axial direction and separates the four metal rods mutually. A plurality of horizontal insulating plates are arranged inside the cylinder along the direction perpendicularto the axial direction and are distributed at intervals; and the horizontal insulating plates and the longitudinal insulating plate are fixed mutually. Lead screws are arranged at the tails of the metal rods. A limiting plate protruding radially is arranged at the shaft end of one side of the cylinder; and internal threads cooperating with the lead screws are formed in the limiting plates. Therefore, the temperature of the aluminum alloy ingot in the furnace can be measured accurately; the material temperature measuring device can be utilized repeatedly; and the temperature measuring is donequickly and efficiently.

The invention relates to the technical field of electronic appliances, in particular to a power device and a substrate thereof. The substrate comprises an insulating part, a heat conduction part, a first conductive part and a second conductive part, one of two opposite sides of the insulating part in the thickness direction is connected with the heat conduction part, the other side of the insulating part is connected with the first conductive part and the second conductive part, and an insulating interval is formed between the first conductive part and the second conductive part; a sinking groove is formed in the portion, located at the insulation interval, of the insulating part and extends from the surface of the insulating part to the direction where the heat conduction part is located. Even if the size of the substrate provided by the invention is relatively small, the insulation reliability of the substrate is relatively high, and the potential safety hazard is relatively small.

The invention discloses a liquid crystal display screen wire with filtering and shielding function, belonging to a screen wire, the structure thereof includes a screen wire and a screen wire plug, the terminal of the screen wire is connected with the screen wire plug, each screen wire is in three-layer structure, a wire core, a shielding layer and an insulating layer respectively, the outside of the wire core is wrapped with the shielding layer, and the outside of the shielding layer is wrapped with the insulating layer; the screen wire plug comprises a case and a signal pin; the wire core of the screen wire is connected with the signal pin of the screen wire plug, the shielding layer of the screen wire is connected with the case of the screen wire plug; and the screen wire is connected into a three-terminal filter. Compared with the prior art, the liquid crystal display screen wire with filtering and shielding function of the invention has good filtering function and shielding function.