31results about How to "Will not cause a short circuit" patented technology

The invention discloses a spiral coil structure of lamination chip component inner electrode. The spiral coil is formed by connecting at least two coil units; wherein the spiral coil is single solenoid coil, magnetic line of force is bound in the solenoid coil, the coil unit is formed by connecting at least two stranded electrodes which are in parallel connection from top to bottom and in the same shape, and at least two stranded electrodes are separated by electrically isolated thin magnet, and the two ends of at least two stranded electrodes are respectively connected. The direct current resistance of the spiral coil of the invention can be reduced to 1 / 2 or 1 / N of the existing non-parallel structure, N is number of the stranded electrodes in parallel connection, and the spiral coil is single solenoid coil, magnetic line of force is bound in the solenoid coil, thus magnetic leakage is less, and inductance or impedance reduction amplitude of the spiral coil is less. Stress between electrode and magnet after sintering can be effectively eliminated, not only component magnet cracking is avoided but also diffusion is weaker and short circuit can not be caused.

The invention relates to an integrated liquid cooling machine box based on two-phase heat transfer and a two-phase heat transfer method thereof. The integrated liquid cooling machine box comprises a machine box shell, a two-phase liquid cooling source and a plug-in cold guide plate, wherein flow channels which are communicated with each other are arranged in the top wall and the bottom wall of themachine box shell; the upper end and the lower end of the plug-in cold guide plate are fixedly connected with the top wall and the bottom wall of the machine box shell respectively, and are used forfixing electronic plug-in components; the two-phase liquid cooling source is fixedly connected with the machine box shell; and each flow channel has a flow channel inlet and a flow channel outlet which are communicated with the two-phase liquid cooling source through pipelines. The two-phase liquid cooling source is fixedly connected with the machine box shell and does not need to depend on an external liquid cooling source. The two-phase liquid cooling source is adopted, and a working medium is subjected to liquid state and gaseous state conversion in a pipeline system; the cooling working medium absorbs the heat of electronic equipment in the flow channels and is changed from the liquid state into the gaseous state, so that heat exchange efficiency is far higher than that of single-phasefluid heat exchange; and the cooling working medium phase change is performed in an isothermal process, so that the isothermal performance of the top wall and the bottom wall of the machine box shellis superior to that of the single-phase fluid heat exchange.

An electric tool (1) is provided, particularly an electric circular saw which comprises a tool (2) with a tool axis (X), a tool housing (3) for the store and the support of the tool (2) rotating around the tool axis (X), a motor (4) with a shaft (5) for defining a longitudinal axis (Y), a gearing device (6) for connecting the shaft (5) with the tool (2), and at least one handle (7,37) for supporting the electric tool (1) and provided thereon with a power switch (8) eclectically connected with the motor (4). The motor (4), the handle (7, 37) and the power switch (8) are firmly interconnected to form an unit body (9) that facilities the electric tool to be positioned in a comfortable operating position. The unit body (9) is connected on tool housing (3) and rotates around the longitudinal axis (Y) relative to the tool housing (3) or pivots around the tool axis (X) in parallel to the longitudinal axis (Y).

The invention discloses a hierarchical structure glass fiber and lithium metal compound and a preparation method thereof, and relates to the technical field of battery cathodes. The hierarchical structure glass fiber and lithium metal compound comprises a lithium layer, a glass fiber layer is arranged in the lithium layer, and the bottom end of the glass fiber layer is completely wrapped in the lithium layer. The top end of the glass fiber layer is exposed outside the lithium layer, conductive layers are arranged on the middle and lower surfaces of glass fibers, and the upper ends of the glassfibers are exposed. The conductive layers have lithium affinity and electronic conductivity, and the exposed top end of the glass fiber layer has no electronic or ionic conductivity. The deposited lithium ions can only obtain the electrons on the glass fiber with a modification layer on the surface of a composite electrode, and cannot obtain the electrons at the topmost end of the glass fibers, so that the lithium dendrites and dead lithium exceeding the thickness of the glass fiber on the surface cannot be formed, the overall thickness of the electrode is controllable, and the battery safetyis high. The surface of the topmost end of the glass fiber is electronically insulated, and battery short circuit cannot be caused after a diaphragm is attached in the battery. The metal lithium at the lower half part of the glass fiber is responsible for supplementing a lithium source, so that the battery cycle performance is guaranteed.

The invention discloses a tab short-circuit-proof method of a soft package lithium battery. The tab short-circuit-proof method comprises the following steps: step 101, carrying out positive electrode tab treatment: selecting tab glue, wherein the tab glue is one of black glue, white glue or yellow glue; firstly, forming an insulating layer on the surface of a positive electrode tab base body by utilizing a natural color anodic oxidization, black anodic oxidization or micro-arc oxidization method, wherein the thickness of the insulating layer is no smaller than 10 microns; measuring surface insulating resistance by a 500V insulating resistance meter, wherein the surface insulating resistance needs to be more than 200 megohms; then casting the tab glue on the positive electrode tab base body in a curtain coating way; cutting a positive electrode tab to a required size; finally, carrying out oxidation layer removal treatment on two ends of the tab by utilizing a chemical method; step 102, assembling a single battery: specifically, firstly, welding the tab; then packaging the battery; vacuumizing and sealing, and standing for more than 24h; observing whether leakage exists or not; cutting apart a single battery side plate, injecting liquid, aging and standing; finally, vacuumizing and carrying out secondary package on the single battery in a final state.

The invention provides a multifunctional waterproof ceiling fan comprising a hanging cup, a motor assembly, fan blades, a connecting box and a lamp assembly arranged from top to bottom successively. The connecting positions are provided with and upper hanging cup outside waterproof rubber gasket, an upper hanging cup inside waterproof rubber gasket, a motor waterproof rubber gasket, a decorative gold edge, a rubber gasket and a lamp panel waterproof rubber gasket, so that the ceiling fan can adapt to environment with greater humidity.

The embodiment of the invention provides a charging processing method, a charging processing circuit, electronic equipment and a storage medium. The charging processing method comprises the steps of acquiring a connection state of to-be-charged equipment; communicating with the to-be-charged equipment when the connection state is a connected state; outputting a charging signal after the communication with the to-be-charged equipment is succeed; and stopping outputting the charging signal when the communication with the to-be-charged equipment is failure or the connection state is a unconnectedstate. The charging signal is not output when the charging device is under the unconnected state, at the moment, a charging interface cannot be circuit-shorted even a foreign matter or a liquid enters a charging output interface, moreover, the power consumption can be saved, the charging signal can be output in the connected state and after the communication is succeeded, and normal charging is achieved.

The invention discloses a circuit, a circuit protection method and an electronic device and belongs to the circuit technical field. The circuit includes a battery module, a switching module and a system circuit module; the system circuit module comprises at least one control module; the input end of the switching module is connected with the battery module; the output end of the switching module is connected with the system circuit module; and the control end of the switching module is connected with the control module; and the switching module is used for receiving the control signals of thecontrol module during the testing and / or assembling process of the circuit, and is switched to a turned-off state according to the control signals. With the circuit, the circuit protection method andthe electronic device of the invention adopted, the problem that an electronic device is damaged due to a short-circuiting fault during the assembling process of the electronic device with no physicalswitches can be solved; de-energization during the assembling process is realized, so that the short-circuiting fault caused by electrified assembling can be avoided, and the electronic device can beprotected.

The invention discloses a resonance sheet fixing structure of a quartz crystal resonator. The resonance sheet fixing structure comprises a dispensing platform and a resonance sheet, wherein one end ofthe resonance sheet is fixed on the dispensing platform through a colloid; the resonance sheet fixing structure of the quartz crystal resonator is characterized in that the colloid comprises a bottomglue point and a surface glue point which are fused together, the bottom glue point is conductive glue, and the surface glue point is non-conductive glue, so that the resonance sheet fixing structureof the quartz crystal resonator has the advantages that the surface glue adopts the non-conductive glue, half of the conductive glue is saved, and the production cost is greatly reduced; in addition,the situation that electric pollution is caused to the upper surface of the resonance sheet by glue points dripped by the conductive glue is avoided; and the short-circuit condition caused by contactbetween the electrode and the metal shell due to over-high conductive adhesive points is avoided.

The present invention discloses a roller extension socket. The roller extension socket is formed by one or more than one sockets. Each socket comprises one socket body, one rotary table and one clamping device. The rotary tables rotate on the socket bodies, the rotary tables are provided with jacks, and the clamping devices are arranged in the rotary tables. One set of clamping devices is arrangedunder each jack, each clamping device comprises one fixed support, one moving shaft, one moving arm and one roller, one end of each fixed support is fixed at the internal portion of one rotary table,the other end of each fixed support is hinged with one roller through one moving arm, and each two rollers are in contact to each other. metal elastic pieces are arranged under the rollers, metal pieces of plugs are inserted and push out the rollers to insert the metal elastic pieces for electrifying, the metal pieces after insertion cannot be pulled out due to friction, and the contact rollers are separated when the rotary tables are rotated to leave a channel for the metal pieces. The roller extension socket employs a roller structure to allow the plugs to easily insert the extension socketjacks and be firmly fixed on the extension socket, and when the plugs need to be pulled out, the plugs are twisted for 90 degrees in an anticlockwise direction, and the jacks can automatically returnto positions when the plugs are pulled out.

The invention relates to a waterproof bus. The waterproof bus has a up-and-down laminated type phase line body, a housing is casted around the phse line body, the housing is made of unsaturated polyester resin and asbestos through pouring, a light stabilizer and a flame retardant are added to the polyester resin, and a metal sleeve is arranged at the outer portion of the housing. The waterproof bus employs the special unsaturated polyester resin mixed with an asbestos mixed material to form a high-performance insulating material. The copper-made phase line is directly casted and sealed withoutan air gap and chimney effect so that the bus bar burr or overload will not cause short circuit, the volume is small, the dynamic heat is more stable, and the waterproof effect is better.

The invention relates to a method for treating cyanogen-containing copper-containing electroplating wastewater by electrolysis and recycling copper. Compared with the existing method for treating cyanogen-containing copper-containing electroplating wastewater, the method disclosed by the invention has the advantages of being simple in process, free of secondary pollution, high in removal rate, capable of recycling deposited metal copper and recycling effluent. The method for treating cyanogen-containing copper-containing electroplating wastewater by electrolysis comprises the following steps: adding sodium hydroxide in the cyanogen-containing copper-containing electroplating wastewater to regulate concentration of OH<-> in wastewater, filtering to obtain copper hydroxide copper precipitate and filtrate; adding a certain amount of mesoporous granulate active carbon and NaCl by taking the filtrate as electrolyte; applying direct-current power for electrolysis, externally applying electrostatic fields between positive and negative electrodes, wherein electric field direction is from the positive electrode to the negative electrode; recycling the separated-out copper after separating out copper from the negative electrode; ending electrolysis when residual quantity of Cu<2+> and CN<-> in electrolyte is respectively less than 0.5mg / L and 0.1mg / L, and treating the granulate active carbon by hydrochloric acid and then recycling after separating the precipitate.

The embodiment of the invention provides a charging processing method, a charging processing circuit, electronic equipment and a storage medium. The charging processing method comprises the steps of acquiring a connection state of to-be-charged equipment; communicating with the to-be-charged equipment when the connection state is a connected state; outputting a charging signal after the communication with the to-be-charged equipment is succeed; and stopping outputting the charging signal when the communication with the to-be-charged equipment is failure or the connection state is a unconnectedstate. The charging signal is not output when the charging device is under the unconnected state, at the moment, a charging interface cannot be circuit-shorted even a foreign matter or a liquid enters a charging output interface, moreover, the power consumption can be saved, the charging signal can be output in the connected state and after the communication is succeeded, and normal charging is achieved.

The invention discloses an embedded parking lot management all-in-one machine in the technical field of parking lot management equipment, which comprises a foundation, the upper end of the foundation is fixedly connected with a supporting rod, the supporting rod penetrates through a first fixing plate and is fixed on the first fixing plate, the center of the upper end of the first fixing plate is fixedly connected with a supporting column, and the upper end of the supporting column is fixedly connected with a second fixing plate. A waterproof cover is slidably connected to the outer side of the second fixing plate, a first sealing gasket is arranged at the joint of the waterproof cover and the upper end of the second fixing plate, a control device is fixedly connected to the upper end of the second fixing plate, and second sealing gaskets are arranged at the upper end and the lower end of the control device. An annular transparent cover is connected between the two second sealing gaskets. According to the device, the transparent cover is adopted, display information of the camera recognition and control device is not affected, meanwhile, the multiple sealing gaskets are adopted for sealing, rainwater cannot fall into the device in case of rainstorm, short circuit of electrical apparatus elements in the device cannot be caused, the normal use time of the device is prolonged, and the cost is saved.

The invention belongs to the field of carbon photon therapy devices, and provides a short-circuit protection mechanism of a carbon photon therapy device. The short-circuit protection mechanism comprises: a fixing assembly; a combustion basin, the lower end of which is fixedly connected with the upper end of the fixing assembly, and the carbon rod can be energized and burned in the combustion basin; a support rotary assembly, that low end of which is arranged in the fix assembly, is capable of supporting and driving the carbon rod to move; a pressing assembly having a lower end disposed in thestationary assembly and an upper end extending into the combustion basin, the pressing assembly being positioned above the supporting rotary assembly and capable of pressing the carbon rod on the supporting rotary assembly; a short-circuit protection assembly arranged on the fixed assembly, one end of the short-circuit protection assembly is connected with the pressing assembly and the other end of the short-circuit protection assembly is electrically connected with the supporting rotating assembly. Compared with the prior art, the present invention has the advantages that when one of the carbon rods is burned, the support rotating assembly stops rotating and the other carbon rod is prevented from continuing to move, and the unburned carbon rod does not cause a short circuit of the carbonphoton therapeutic apparatus.

The invention relates to a storage battery internal state measuring device and a soft package lithium ion battery, the storage battery internal state measuring device is completely packaged in the battery, the device is communicated with the outside only through an optical fiber penetrating through an aluminum plastic film, and the storage battery internal state measuring device specifically comprises a communication module, a central processing unit (CPU) and a power supply module, the communication module is used for transmitting battery internal state information acquired by the sensor module to a battery external controller in an optical fiber communication mode; the input end of the CPU is connected with the output end of the power supply module and the output end of the sensor module, and the CPU is used for receiving the battery internal state information collected by the sensor module and controlling the communication module to transmit information outwards; the input end of the power supply module is connected with the positive and negative tabs of the battery to obtain time-varying voltage, and stable voltage is output by a voltage stabilizer after voltage reduction through an internal DC / DC converter; and the sensor module is used for collecting the internal state information of the battery in real time and sending the information to the CPU. Compared with the prior art, the method has the advantages of high accuracy and timeliness, capability of reducing influence on battery performance, flexibility and the like.

The invention discloses a novel AF camera module motor PIN connection method, which comprises the following steps: S1, hollowing the centers of VCM bonding pads on an FPC board to form a group of concave parts for the motor PINs on an AF camera module HOLDER to contact; S2, coating the surface of the motor PINs with a liquid conductive adhesive, and inserting the motor PINs into the concave parts of the VCM bonding pads; and S3, solidifying the liquid conductive adhesive by high-temperature heating to realize tight connection between the VCM bonding pads and the motor PINs. According to the method, the cost is saved, the rosin joints are avoided, and the product yield is improved. The hollowed-out bonding pads are designed in a stepped mode, excessive adhesive can overflow to the upper step of the hollowed-out bonding pads, and the conductive adhesive is prevented from overflowing to the board surface. The use amount of the conductive adhesive is controlled, the adhesive is drawn strictly according to the specified use amount, and excessive overflow of the conductive adhesive is prevented; and the FPC board surface around the bonding pads is coated with ink, so that the short circuit of the module cannot be caused even if a small amount of adhesive overflows.

The invention discloses a direct-current motor provided with a security insulator. The direct-current motor comprises a housing, a brush carrier located in the housing, and a rear end cover. An insulator is arranged between the rear end cover and the brush carrier, and the insulator, the rear end cover and the brush carrier are fixed through bolts. The insulator is composed of an insulating plate and an insulating upright column. The insulating plate is matted on a brush plate of the brush carrier. The insulating upright column is extended from the insulating plate into the rear end cover. The direct-current motor of the invention has the following advantages that the insulating plate and the insulating upright column of the direct-current motor insulator have an integrated structure, so the insulator not only can be easily fixed in the motor, and but also the insulator is used to isolate the brush carrier from the rear end cover to make the brush carrier from the rear end cover be in electric insulation, so the short-circuit condition between electrodes of the motor will not occur; and the motor insulation performance will not be reduced due to reasons, such as dust accumulation, increased humidity, etc., after long-term use, and at the same time, advantages of simple structure and convenient replacement can be realized.

The invention discloses a printing type light-emitting display without pixel bank and a manufacturing method thereof. The present invention forms the pixel electrode embedded in the hydrophobic thin film layer on the TFT substrate. Since the pixel electrode does not protrude relative to the surface of the hydrophobic thin film layer at this time, the short circuit of the device will not be caused when the light-emitting element is made, so the production of the pixel bank is omitted. At the same time, Since the pixel electrode is embedded in the hydrophobic material, when the printing process is used to prepare the light-emitting element, after the ink is deposited on the pixel electrode, it will form a large contact angle and will not spread to the connected pixel electrode, thereby effectively preventing the contact between adjacent pixels. Mutual cross color.

The invention discloses a circuit, a circuit protection method and electronic equipment, belonging to the technical field of circuits. The circuit includes a battery module, a switch module and a system circuit module; the system circuit module includes at least one control module; the input end of the switch module is connected to the battery module; the output end of the switch module is connected to the system circuit module; the control end of the switch module is connected to the The control modules are connected, and the switch module is used to receive the control signal of the control module during the circuit test and / or assembly process, and switch to the off state according to the control signal. The invention solves the problem that the electronic device without a physical switch is damaged due to a short circuit during the assembly process, achieves the effect of power failure during the assembly process, avoids short circuit caused by live assembly, and protects the electronic device.

The invention discloses a substrate and a display panel. The substrate comprises a substrate, a signal line, an electrostatic protection device and a common electrode line. The electrostatic protection device comprises a plurality of first semiconductors and second semiconductors, the first semiconductors and the second semiconductors are alternately arranged, the adjacent first semiconductors and the second semiconductors are in contact connection, and the types of the first semiconductors and the types of the second semiconductors are different. In the alternate arrangement and extension direction of the first semiconductors and the second semiconductors, the electrostatic protection device is provided with a head end and a tail end, the signal line is connected with the head end, and the common electrode line is connected with the tail end. The electrostatic protection device provided by the invention is very small in size, and is favorable for realizing a narrow frame of the display panel.