21results about How to "Avoid electrification" patented technology

This invention provides a glass melt conveying device and its temperature control method, comprising an inner wall, an outer wall, and a cavity disposed between the inner and outer walls; both the inner and outer walls are made of refractory materials; the surface of the inner wall is provided with an anti-erosion layer; multiple inner wall temperature detectors are uniformly arranged in the inner wall; the outer sides of the two walls of the cavity are respectively attached to the inner and outer walls; multiple supports are uniformly arranged in the cavity; the two ends of the supports are respectively fixed to the inner sides of the two walls of the cavity. This invention can achieve a heat preservation effect on the bottom and sides of the glass melt through the anti-erosion layer, preventing related defects caused by temperature differences. At the same time, using non-precious metals such as molybdenum as the anti-erosion layer to prevent the glass melt from eroding greatly reduces construction costs; for platinum tube-type glass melt conveying devices, molybdenum electrode heating can be used instead of platinum heating in the high-temperature section, eliminating the situation where the entire channel is electrified, thereby improving production safety.

The application provides a capacitor module, which can improve electrical safety. The application provides a capacitor module, which comprises a shell, a mounting seat located in the shell, the mounting seat being connected with the shell, and a capacitor located in the shell, the capacitor being mounted on the mounting seat and being spaced apart from a wall portion of the shell and insulated from the shell.

The utility model relates to the technical field of cable laying, in particular to an overhead line installation head which comprises a shell, a porcelain bottle is arranged on the lower surface of the shell, an electric pole is arranged in the porcelain bottle in a penetrating mode, and a wire supporting ring is fixed to the bottom end of the electric pole. According to the overhead line mounting head, the porcelain bottle, the first insulating layer, the second insulating layer and the third insulating layer are arranged in the overhead line mounting head, the porcelain bottle is additionally arranged between the shell and the electric pole, so that the shell is separated from the electric pole, and the first insulating layer, the second insulating layer and the third insulating layer are respectively made of teflon materials; according to the utility model, an iron galvanized part is prevented from being electrified, the safety performance is improved, and the problems that the creepage phenomenon is caused after the weather humidity and the like are changed, the current creeps along the porcelain bottle, the device can be used for a low-voltage cable, and the iron galvanized part is electrified when the high-voltage cable is maintained in the weather with high humidity, so that the service life of the device is prolonged are solved. Therefore, the problem of unsafe rear-end electrification is solved.

The utility model relates to the technical field of photovoltaic welding strip production, and discloses a photovoltaic welding strip annealing device which comprises a rack, a first electrified wheel and a second electrified wheel which are arranged up and down are arranged on the rack, and the first electrified wheel and the second electrified wheel are respectively provided with a power supply and receiving supporting mechanism; a plurality of middle guide wheels are arranged between the first electrified wheel and the second electrified wheel, the middle guide wheels are rotationally connected to an insulating supporting shaft, and the insulating supporting shaft is fixed to the rack; the second electrified wheel is arranged in the water tank, and the water level in the water tank is higher than the second electrified wheel; and the welding strip sequentially bypasses the first electrified wheel, the plurality of middle guide wheels and the second electrified wheel. The power supply and receiving supporting mechanism is insulated from the rack, and the middle guide wheel is arranged on the insulating supporting shaft, so that the rack can be effectively prevented from being electrified, the rack is effectively prevented from being electrified, and potential safety hazards are reduced.

The utility model discloses an explosion-proof lithium ion storage battery power supply which comprises a power supply box, a shell of the power supply box is made of a steel plate, a plurality of cavities including battery mounting cavities are formed in the shell of the power supply box through vertical steel partition plates which are transversely and longitudinally welded, and a plurality of battery mounting grids are formed in the battery mounting cavities. A plurality of lithium ion batteries are mounted in each battery mounting grid, and all the lithium ion batteries in the battery mounting cavity are connected in series to form a lithium ion battery pack; the top of the part, corresponding to the battery installation cavity, of the power box is provided with an anti-explosion breathing drain valve which can be automatically opened to release internal pressure and prevent the power box from exploding when the pressure in the battery installation cavity reaches or exceeds a limit value, and the partial or whole surface of a shell of the part, corresponding to the battery installation cavity, of the power box is in a corrugated shape. According to the utility model, the defects of insufficient shell strength, poor heat dissipation effect, poor explosion-proof performance, potential safety hazard, small deformation resistance and the like of the lithium ion storage battery power supply of the existing mining rubber-tyred vehicle are overcome.

The present invention discloses a high-voltage switch complete set with good insulation performance, and relates to the technical field of high-voltage switches. The high-voltage switch complete set with good insulation performance comprises a channel steel frame and a plurality of high-voltage disconnectors fixedly connected to the side wall of the channel steel frame, each of the high-voltage disconnectors comprises a mounting frame, and the side wall of the mounting frame is fixedly connected with a fixed contact seat and a moving contact seat, the fixed contact seat is provided with a fixed contact, and the top of the moving contact seat is provided with a knife, and the top of the knife is provided with a moving contact. The high-voltage switch complete set with good insulation performance can seal the fixed contact and the moving contact during the closing and opening process, and at the same time, discharge the internal air to avoid the air being charged, so that the insulation performance is better, and the arc is avoided, which is safer and more reliable; when there is air leakage in the movable cover and the telescopic cover, the knife cannot be rotated upward to perform the closing operation, reminding the operator to perform inspection and maintenance, which is safer and more reliable.

The utility model belongs to the battery field, concretely is a kind of heat exchange element, battery assembly and battery package.Overcome the problem that the local heat of existing battery pole is too high, and heat runaway is caused.The heat exchange element is of ceramic material, and at least one cooling channel is formed on it.The battery assembly includes battery and the heat exchange element fixed on the battery polarity terminal;The battery package includes multiple battery assemblies;The heat exchange elements on each battery assembly are connected to each other to form a battery package liquid path system.The utility model fixes the heat exchange element on the polarity terminal, and the heat generated by the battery polarity terminal is conducted to the heat exchange element, and is dissipated through heat exchange, to achieve the purpose of efficient heat dissipation.At the same time, ceramic material is selected as the material of the heat exchange element, which can effectively avoid the risk of short circuit caused by the conductivity of the heat exchange element;At the same time, the cooling water circulating in the cooling channel can be prevented from being electrified, to ensure the electrical safety of the battery system.

The utility model relates to the technical field of charging piles, in particular to a charging pile monitoring and early warning device which comprises a clamping base, a sliding rail is fixedly installed on the upper surface of the clamping base, a vertical plate is arranged above the sliding rail, one side of the vertical plate is communicated with a connecting pipe, an inserting rod is inserted into the top of the connecting pipe, and a clamping plate is fixedly installed at the end, located in the connecting pipe, of the inserting rod. Baffles are fixedly mounted at the tops of the inserting rods, and reset springs are arranged around the surfaces of the inserting rods. According to the utility model, the wire is inserted into the connecting pipe, then the insertion rod is pulled, the insertion rod drives the clamping plate to move, then when the wire is inserted into the connecting pipe, the baffle plate is loosened, and then the reset spring on the baffle plate performs reset operation on the baffle plate, so that the insertion rod drives the clamping plate to perform clamping operation on the wire; if the current is detected by the current monitor, then the alarm performs alarm operation, so that the overall monitoring operation of the charging pile is facilitated, the pile body is prevented from being electrified in the use process, and the use danger is reduced.

The utility model discloses a high-voltage live display locking device for monitoring leakage current, which belongs to the technical field of lightning arrester monitoring and comprises an electric leakage detection module, a signal processing module, a master control module, an alarm module, a locking module and a power supply module. The electric leakage detection module is used for collecting a leakage current signal and transmitting the leakage current signal to the signal processing module; the signal processing module converts the leakage current signal into a voltage signal and transmits the voltage signal to the main control module; the main control module responds to the voltage signal to generate an alarm signal and a blocking signal; the alarm module responds to the alarm signal to execute an alarm action; the locking module responds to the locking signal to execute a locking action; the power supply module provides working voltage for the electric leakage detection module, the signal processing module, the main control module, the alarm module and the locking module. According to the utility model, the problem of low safety caused by the fact that the electrification condition of the lightning arrester corresponding to other electrical equipment is not considered in the prior art is solved.

According to an embodiment, a battery module includes a battery pack, a shell, a metal plate, an insulator, and an electrical connection path. The battery pack includes a plurality of batteries, each of which includes an electrode group and a metal outer packaging container for accommodating the electrode group. The metal plate is arranged between the battery pack and the base, and there is a gap between the metal plate and the base. The insulating member has plasticity and electrical insulation and is sandwiched between the battery pack and the metal plate. The outer packaging containers of each of the plurality of batteries are electrically insulated from the metal plate by the insulating member. The electrical connection path electrically connects the metal plate to the base.

The utility model relates to a packaging structure of a power hybrid integrated DC / DC converter. The packaging structure comprises a metal shell with an opening on one side; a cover plate; the power board is arranged in the shell and attached to the bottom of the shell, a controlled end of a control switch on the power board is connected with a signal chip of the signal board through a first contact pin so as to receive a control signal from the signal board, and a bonding pad on the power board is connected with a bonding pad of the transformer board through a second contact pin so as to receive the control signal from the signal board. A voltage signal is received from the transformer; the transformer board is arranged in the shell, is positioned above the power board and is used for converting voltage; the signal board is arranged in the shell, located above the transformer board and used for transmitting control signals, the signal board is of a double-face wiring structure, and electronic components are evenly distributed on the double faces of the signal board. By adopting the power hybrid integrated DC / DC converter packaging structure of the utility model, the assembly density of components in a DC / DC converter circuit can be improved, and the product packaging size can be reduced.

The utility model relates to the technical field of screwdrivers, in particular to a screwdriver with a knocking function, which comprises a handle and a screwdriver rod fixedly connected in the handle, a knocking part is arranged at one end of the handle, a limit gasket is arranged in the handle, the screwdriver rod is fixedly connected in the limit gasket, and the knocking part is arranged on the screwdriver rod. A gap is formed between the end part of the cutter bar and the knocking part; the electric screwdriver has the advantages that during actual use, the distance is reserved between the knocking part and the screwdriver rod, so that the screwdriver rod is separated from the knocking part, and when the knocking part is used for knocking an electrified object, the screwdriver rod can be prevented from being electrified; meanwhile, when the knocking part is used for knocking, the screwdriver rod is limited through the limiting gasket, the contact area between the screwdriver rod and the handle is increased, and therefore the screwdriver rod is prevented from penetrating out of the handle in the knocking process.

The utility model discloses a non-grounding type single-conductor heating cable. An XLPE insulating layer, a copper-plastic composite wrapping shielding layer, a polyester fiber plain weaving cloth longitudinal wrapping inner cushion layer, a gear-shaped aluminum alloy sheath, an irradiation crosslinking high-density polyethylene inner sheath layer, an AFRP reinforced weaving tensile layer and an irradiation crosslinking high-density polyethylene outer sheath layer are sequentially wrapped outside the copper-nickel alloy single-conduction heating wire. The copper-plastic composite wrapping shielding layer is of a copper-plastic composite belt spiral covering wrapping structure, a copper-plastic composite belt is formed by compounding a polyimide film bottom layer, copper foil and a polyimide film surface layer, and a plurality of gaps with the width ranging from 20 micrometers to 30 micrometers are formed in the surface of the copper foil at equal intervals in the length direction. And an included angle of not more than 120 degrees is formed between the length direction of the gap and the length direction of the copper foil. The cable is better in flexibility and bending resistance, the shielding layer does not need to be grounded, the laying and mounting process difficulty and the mounting operation cost are reduced, and the line maintenance and mounting flexibility is better.

The present invention relates to an autofocusing technology for a scanning electron microscope using interlaced scanning. The autofocusing method for a scanning electron microscope is as follows: while the scanning position of an electron beam is shifted by a predetermined number of pixels in a direction perpendicular to the scanning direction, the sample is repeatedly scanned with an electron beam, thereby generating an interlaced image of a pattern (160) formed on the surface of the sample, while the focus position and irradiation position of the electron beam are changed, the process of generating the interlaced image of the pattern (160) is repeatedly performed, thereby generating multiple interlaced images of the pattern (160), calculating multiple sharpness of each of the multiple interlaced images, and determining the best focus position according to the multiple sharpness.

The utility model belongs to the battery field, concretely is a kind of large capacity battery assembly and battery pack.Overcome the local heat of existing battery pole is too high, and the problem of heat runaway is caused.Large capacity battery assembly, including large capacity battery and two heat exchange parts;Large capacity battery includes multiple single battery with intercommunicating inner cavity;Heat exchange part, for ceramic material, cooling channel is set up on it, and two heat exchange parts are connected with one side polarity terminal respectively.Battery pack, including multiple large capacity battery assemblies;The heat exchange part on each large capacity battery assembly is connected with each other, and forms battery pack liquid path system.The utility model fixes heat exchange part on polarity terminal, and the heat generated by battery polarity terminal is conducted to heat exchange part, and is emitted through heat exchange, reaches the purpose of high efficiency heat dissipation.At the same time, select ceramic material as heat exchange part material, can effectively avoid the risk of short circuit caused by heat exchange part conduction;At the same time, it can prevent cooling medium from being electrified, and fundamentally guarantees the electrical safety of battery system.

The invention discloses high-voltage switch complete equipment with good insulation performance, and relates to the technical field of high-voltage switches. The high-voltage switch complete equipment with the good insulation performance comprises a channel steel frame and a plurality of high-voltage isolation switches fixedly connected to the side wall of the channel steel frame, each high-voltage isolation switch comprises a mounting frame, the side wall of each mounting frame is fixedly connected with a fixed contact seat and a moving contact seat, the fixed contact seat is provided with a fixed contact, and the moving contact seat is provided with a moving contact. The top of the moving contact seat is provided with a knife switch, and the top of the knife switch is provided with a moving contact. According to the high-voltage switch complete equipment with the good insulating property, in the switching-on and switching-off processes, the fixed contact and the moving contact can be sealed, meanwhile, internal air is exhausted, air electrification is avoided, the insulating property is better, electric arcs are avoided, and the high-voltage switch complete equipment is safer and more reliable; when air leakage occurs in the movable cover and the telescopic cover, the knife switch cannot rotate upwards to perform switching-on operation, an operator is reminded to perform overhaul and maintenance, and safety and reliability are achieved.

The utility model relates to a tubing processing device. The purpose of the present invention is to suppress electrification of a pipe when the pipe constituting a substrate processing apparatus is processed. A pipe processing apparatus for processing a pipe constituting a substrate processing apparatus, the pipe processing apparatus being characterized by being provided with: a processing tool for processing the pipe by coming into contact with the pipe; and a de-energizing unit for de-energizing the piping during the machining process.

The invention relates to a timepiece component comprising a base plate (2), a first interference layer (4) in direct or indirect contact with the base plate (2), and a second interference layer (3) covering the first interference layer (4), the first interference layer (4) being characterized in that it has a thickness of between 3 nm and 250 nm and is made of a first material that is optically transparent in the visible range of 380 nm to 780 nm, the refractive index n of the first material being less than or equal to 2 throughout said visible range, the second interference layer (3) being characterized in that it has a thickness of between 3 nm and 80 nm and is made of a second material whose refractive index n and absorption coefficient k reach values greater than or equal to 3 and greater than or equal to 0.5, respectively, in at least part of said visible range.

The utility model discloses a hydrogen production power supply safety cabinet which comprises a cabinet body and conductive columns located in the cabinet body, connecting columns matched with the conductive columns are arranged between the conductive columns, a cabinet door matched with the cabinet body is arranged on one side of the cabinet body, a sliding plate is arranged on one side of each connecting column, and a limiting sliding groove matched with the sliding plate is formed in the inner side wall of the cabinet body. An extension groove is formed in the side, close to the cabinet door, of the limiting sliding groove, and a protruding block extending into the extension groove is arranged on one side of the sliding plate. The hydrogen production power supply safety cabinet has the beneficial effects that when the cabinet door is opened, the connecting rod pulls the sliding plate to move outwards, and then the sliding plate drives the connecting column to be separated from the conductive columns arranged at the top and the bottom, so that the hydrogen production power supply safety cabinet is in power-off connection with the outside and a cable, and meanwhile, a protector and the like in the hydrogen production power supply safety cabinet are disconnected to avoid electrification of the protector and the like; and through the arrangement of the limiting assembly, the cabinet door is prevented from being automatically closed in the inspection or maintenance process, and the safety is improved to a certain degree.

The utility model discloses a kind of power device packaging structures based on top heat dissipation, comprising: lead frame, chip to be assembled, ceramic copper-clad plate, first bonding lead, second bonding lead and plastic package body;Lead frame includes base island, first pin and second pin;Base island includes oppositely arranged bearing surface and heat dissipation surface, ceramic copper-clad plate is composed of top circuit copper layer, middle insulating layer and bottom copper layer, bottom copper layer is set to be connected on bearing surface, chip to be assembled is welded on top circuit copper layer;The edge of middle insulating layer extends to the outside edge of top circuit copper layer and bottom copper layer, forms boss structure.The utility model technical scheme forms insulating state between chip to be assembled and radiator by ceramic copper-clad plate, need not be set on outside insulating film, avoid insulating film breakage shell electrification;The design of boss structure can increase with the improvement of withstand voltage value of chip to be assembled, play the role of increasing creepage distance.

The utility model provides a kind of solenoid valve drive circuit based on ore dressing machine solenoid valve, its coil positive terminal and negative terminal of solenoid valve are connected in series P-type switch tube and N-type switch tube, and third switch tube of high level conduction is connected in series between P-type switch tube to ground, and the control end of third switch tube is connected with the control end of N-type switch tube.When the control signal that is input in the control end of N-type switch tube is high level, each switch tube can be controlled to be all on, to turn on the coil loop of solenoid valve;When control signal is low level, each switch tube can be controlled to be all off, to disconnect the coil of solenoid valve and power supply.The solenoid valve drive circuit based on ore dressing machine solenoid valve of the utility model can disconnect the coil of solenoid valve and power supply under standby state, avoid solenoid valve under standby state to be electrified, improve safety.