30results about How to "Speed up fusing" patented technology

The invention discloses an excessively-low-current protection lightning-stroke-resisting surge wire-wound resistor. The excessively-low-current protection lightning-stroke-resisting surge wire-wound resistor comprises a mandril, wherein a resistance wire is wound on the mandril, two ends of the resistance wire are respectively connected with a section of conducting wire, the mandril and the resistance wire on the mandril are wrapped by a flame-retardant layer, the flame-retardant layer comprises an inner fusing assistant layer, an intermediate obstruction temperature-suppression layer and an outer insulation paint layer. According to the technical scheme, the fusing point of the resistance wire can be reduced through the fusing assistant layer, and the heat is concentrated onto the resistance wire through the obstruction temperature-suppression layer, so that when an excessively low current (1.2 to 2 times of rated current of the resistor) occurs in the excessively-low-current protection lightning-stroke-resisting surge wire-wound resistor, the fusing of the resistance wire can be accelerated, and the potential safety hazard caused by the burning of a plastic element can be prevented. The excessively-low-current protection lightning-stroke-resisting surge wire-wound resistor also has an excessively-low-current protection function and a lightning stroke surge resisting function.

The invention provides a current-limiting fuse used for protecting an ozone high-frequency discharge unit. The current-limiting fuse comprises a shell body provided with copper caps on both ends, a fuse body unit communicated with the two copper caps is arranged inside the shell body, the shell body is filled with quartz sand, the fuse body unit comprises a fuse body, and metal or alloy with a fusing point lower than that of the fuse body is arranged on the fuse body. The current-limiting fuse is simple, reasonable and compact in structure, enhances the connecting / disconnecting capacity by adopting a design of combining metallurgical effects with multiple fractures, enhances arc extinguishing capacity of the fuse by adopting the quartz sand for filling and connecting springs in tensional state at both ends of the fuse body, and achieves the current-limiting protective function of cutting off a circuit at the fracture under a high current fault and directly cutting off the circuit by the fuse body under a short circuit fault. The current-limiting fuse has high connecting / disconnecting capacity and good arc extinguishing capacity, and can effectively avoid the risk of damaging an ozone generator due to faults such as overcurrent and short circuit by arranging the current-limiting fuse on one side of the discharge unit of the ozone generator.

The invention relates to the field of food processing, in particular to a novel alcohol fermentation system and usage thereof and provides a novel alcohol fermentation system and usage thereof, with this system which is high in extraction efficiency, simple in structure, low in cost, and convenient to operate, allows accurately controlled fermentation temperature and time, is low in alcohol pollution during fermentation and is easy to clean after fermentation. A connecting pipeline is provided with a communicating valve. An upper head of an alcohol fermentation tank is provided with a breather, a gas pressure detector, a feeding valve, a safety valve and a sprinkling system; the breather is provided with a breathing valve used for culturing Saccharomyces cerevisiae in an initial phase of fermentation; the gas pressure detector is used for monitoring pressure of the alcohol fermentation tank; full mixing of skin dregs and juice is facilitated, and extraction efficiency of juice and skin dregs in fermentation is improved.

The invention discloses a ship direct-current networking electric propulsion system which comprises a larboard direct-current bus and a starboard direct-current bus. A generator branch composed of a rectification unit and a generator set, a load branch composed of a frequency conversion unit and a load, and a transformer branch composed of a frequency conversion unit and a daily transformer are respectively led out from the larboard direct current bus and the starboard direct current bus, and a main circuit fuse is connected between the larboard direct current bus and the starboard direct current bus. The larboard direct-current bus and the starboard direct-current bus are each provided with a rapid protection unit, and the rapid protection units, the frequency conversion unit and the rectification unit are connected with the direct-current bus through branch fuses. The invention also discloses a short-circuit fault rapid protection method. When direct-current bus short-circuit fault and branch short-circuit fault happens in the system, a faulty half board or faulty branch is quickly cut off, so that the non-faulty half board or the non-faulty branch is prevented from undervoltage fault, and the system is prevented from shutdown and power failure.

The invention discloses a novel surge protector. The novel surge protector comprises a first electrode, a second electrode and a shell, wherein the shell is of a hollow structure, the first electrode and the second electrode are respectively and detachably connected with two ends of the shell, the first electrode comprises a connection part and a conduction part which are integratedly formed, the conduction part extends into the shell and is connected with the second electrode by a piezoresistor fixedly connected with the bottom, the conductive part comprises an extension electrode, a low-temperature hot melting fuse post and a diversion electrode, one end of the low-temperature hot melting fuse post is connected to the bottom of the extension electrode in a clamping way, and the other end of the low-temperature hot melting fuse post is connected with the diversion electrode in a clamping way. The novel surge protector is simple in structure and is convenient to use, the low-temperature hot melting fuse post is molten when a system exceeds a working temperature due to a fault of the piezoresistor of the surge protector, so that the extension electrode and the piezoresistor are disconnected to cause open circuit of the system, and the purpose of separating the device from the system is achieved.

The invention discloses a semiconductor device and a manufacturing method thereof. The semiconductor device comprises a FinFET device, a Fuse device and a dielectric layer, wherein the FinFET device comprises a base, fin parts protruding against the base, gate structures located on the base and crossing over the fin parts and covering part of top parts and side walls of the fin parts, and a sourceand a drain located in fin parts at two opposite sides of the gate structure; the Fuse device is located right above the FinFET device and has an anode end and a cathode end, the cathode end is electrically connected with the source of the FinFET device, and the anode end is electrically connected with an external liner; and the dielectric layer is located between the FinFET device and the Fuse device. The programming time of the semiconductor device can be shortened, and the programming efficiency is improved.

An electric fuse structure comprises a base and an electric fuse. The electric fuse is arranged on a shallow-trench isolation structure on the base and comprises an anode, a cathode and a fuse between the anode and the cathode. The fuse comprises a fuse body and a plurality of protrusions. The protrusions are arranged on the sidewall of the fuse body and distributed along the fuse body length direction. A clearance is formed between every two adjacent protrusions on the same sidewall of the fuse body. According to the technical field, LER (line edge roughness) of the fuse is increased, production method of the fuse with the protrusions is controllable, the method to increase the LER of the fuse is controllable, and accordingly the electric fuse with the LER meeting the requirement is obtained.

The invention belongs to the technical field of supercapacitors, and particularly relates to a production method for a pole piece of a supercapacitor with low N-methyl pyrrolidone content. The production method comprises the following steps of: dissolving active carbon, conductive carbon and adhesive in N-methyl pyrrolidone in a certain proportion to form slurry; coating the slurry on a current collector, and cold-pressing the current collector to form the pole piece to be treated; and putting the pole piece to be treated in a container filled with deionized water, subjecting the pole piece to be processed to ultrasonic treatment, and drying the pole piece to be processed to obtain the pole piece of the supercapacitor. Compared with the prior art, direct inflow function of ultrasonic wave is utilized in the invention, so that salvation of the deionized water and NMP (N-methyl pyrrolidone) in pores and micropores of the active carbon in the pole piece, and therefore the problem of poor infiltration in the deionized water of the pole piece is solved, and a good effect is achieved. The production method is simple to operate, only needs the ultrasonic treatment at the same time of soaking, and is beneficial for practical production, and moreover operation time is reduced. In addition, the invention also discloses the pole piece of the supercapacitor produced by the method.

A three-layer concrete thermal insulation wallboard superposition method production process belongs to the technical field of building element production and particularly relates to production of insulation boards. The three-layer concrete thermal insulation wallboard superposition production process is characterized by comprising the process sequence of preparing a working table and a bearing base plate; connecting four formworks into an integrated formwork frame; arranging material separation thin films inside the formwork frame; arranging a thin layer of concrete inside the formwork frame and compacting the concrete through jolting; adding foam cement grout for foaming; waiting for initial setting and hardening of the foam cement grout; adding a thin layer of concrete; leveling the concrete and compacting the concrete through jolting, wherein all above steps are a production process of a single piece; adding a formwork frame for performing the superposition production of the next piece; dismantling the formwork frames for repeated usage after initial setting of the three layers is completed; integrally moving and stacking the formwork frames and the bearing base plate for maintenance. By means of the three-layer concrete thermal insulation wallboard superposition method production process, production fields can be reduced, the turnover of dies is fast, the heat preservation effects of the foam cement after warming are food, every piece is spaced by the thin films so that hydrating maintenance of the products during stacking can be achieved and the product quality can be improved, synchronous pouring and maintenance of the three layers can be achieved, and salvation of the three layers can be improved and accordingly the product strength can be achieved.

The invention belongs to the field of fuses, and particularly relates to a drop-out fuse for power construction. The drop-out fuse comprises an insulator, a hook-type socket, a pin shaft A, an incomplete gear, a pin shaft B, a fuse tube, a memory alloy spring and the like, wherein the insulator is mounted on an electric pole through a mounting bracket, the hook-type socket is mounted at a wire outlet end at the lower end of the insulator, and the hook type socket is matched with a mounting plate. According to the invention, the range of fusing current can be judged according to the number of teeth, crossed by a sharp corner of the tail end of an inner rod of a telescopic rod, of the incomplete gear, so maintenance personnel can better take corresponding measures to maintain a circuit, andhigh safety is achieved.

The invention discloses a feeder automation system adopting CAN bus communication and belongs to the field of communication. According to the feeder automation system adopting CAN bus communication, branch node partition modules and pre-breaking points are set; when the influence of a fault monitored and predicted by a power distribution monitoring module is relatively serious, a heater is used for heating and fusing the pre-breakpoint of a node where the fault is located, and therefore, the fault point and the other normal operation parts of a system are completely isolated, the fault range of the fault point is timely prevented from being continuously expanded, the fault range is effectively controlled to be minimum; and in the above process, a breakpoint sheath bag can be set to gatherheat generated by the heater in the breakpoint sheath bag, so that fusing efficiency can be improved, and on the other hand, the interior and exterior of a double-layer hollow capsule shell are separated, so that the influence of heat in the double-layer hollow capsule shell on other parts on the outer side of the double-layer hollow capsule shell is effectively avoided, and safety during the fusing of the pre-breaking point is improved.

The invention discloses a method for adding ozone / oxygen-enriched solution by adopting a dissolved ozone adding system. The method comprises the following steps of 1) establishing an ozone / oxygen-enriched solution adding system which comprises a reaction tank, a diffuser, a pressure regulating valve group and a water pump, wherein a water mist nozzle and an ozone / oxygen nozzle are arranged at the top in the reaction tank; a control valve is arranged between the reaction tank and the diffuser; the cylindrical side wall of the diffuser is provided with a channel for releasing an oxygen-enriched solution, namely a small hole or a narrow gap or a combination of the small hole and the narrow gap, and the channel can generate certain back pressure to ensure that the pressure difference between the outlet pressure of the diffuser and the water pressure to be treated is more than 2bar, 2) feeding ozone / oxygen into the reaction tank after being subjected to pressure regulation, 3) pressurizing the dissolved water by a water pump, and feeding into a reaction tank from the top of the tank in a high-pressure mist form, and 4) arranging a water quality on-line detector at a water outlet, and controlling the size of the control valve by connecting a signal receiver with the PLC. According to the method, the water quality can be accurately adjusted, and the utilization rate of ozone / oxygen is greatly improved while the ozone solubility is improved.

The invention discloses a method for adding a high-concentration oxygen-enriched solution by adopting an oxygen-enriched solution adding system. The method comprises the following steps: 1) establishing an oxygen-enriched solution adding system which comprises a reaction tank, a diffuser, a pressure regulating valve group and a water pump, wherein a water mist nozzle and an oxygen nozzle are arranged at the top in the reaction tank, a control valve is arranged between the reaction tank and the diffuser, the cylindrical side wall of the diffuser is provided with a channel for releasing an oxygen-enriched solution, namely a small hole or a narrow gap or a combination of the small hole and the narrow gap, and the channel can generate certain back pressure to ensure that the pressure difference between the outlet pressure of the diffuser and the water pressure to be treated is more than 2 bar; 2) regulating the pressure of oxygen to a certain pressure and feeding into a reaction tank; 3) pressurizing the dissolved water to a certain pressure through a water pump, and feeding the dissolved water into a reaction tank from the top of the tank in a high-pressure mist form; 4) arranging a water quality on-line detector at the water outlet, and controlling the opening degree of the control valve through the connection of a signal receiver and the PLC. According to the method, the water quality can be accurately adjusted, meanwhile, the generation of bubbles can be greatly reduced, and the utilization rate of oxygen is greatly increased.

The invention provides an armature assembly and a starter, relates to the technical field of starter overload protection, and aims to optimize the structure of the armature assembly to a certain extent and ensure the consistency of overload failure modes of the starter. The invention provides an armature assembly which comprises an iron core, an armature winding and an abutting piece. The armature winding is wound on the iron core, a first containing space and a second containing space are defined at the two ends of the iron core respectively, and the abutting piece is arranged in the first containing space and / or the second containing space and abuts against the armature winding.

The invention provides composite melt for a fuse and the fuse. The composite melt is provided with a narrow diameter or a metallurgical effect point, and the narrow diameter or the metallurgical effect point is coated with an insulating protective layer. The composite melt can be used as the fuse melt. According to the composite melt and the fuse, the melt is not prone to deformation, fusing is faster, working reliability is higher, and meanwhile the rated current and the breaking capacity of the fuse are improved.

The invention provides a high-strength anti-oxidation alloy material and a preparation method thereof. The high-strength anti-oxidation alloy material consists of a core and a copper coated layer. The core consists of the following components in percentages by weight: 42-45% of tin, 13-16% of copper, 0.5-1.2% of aluminum, 1.2-1.8% of magnesium, 0.2-0.5% of scandium, less than or equal to 2% of inevitable impurities and the balance of iron. The strength and the oxidation resistance of a melt alloy material are improved, and the problems that alloy melt deforms due to low strength and electric resistance of the melt is affected by oxidation are avoided effectively.

The invention provides an alloy type thermal fuse link for rapid fusing of an LED lamp. Trapezoidal wedges are arranged on two sides of the inner wall of a shell identification surface in the thermal fuse link, two leads are inserted between the two trapezoidal wedges and the inner wall of a shell mounting surface, one ends of the two leads are overlapped after being welded by a thermal element, the periphery of the thermal element is filled with a fluxing agent, one side surface of the thermal element is directly contacted with the inner wall of the shell mounting surface, the other end of the lead extends out of the shell, and an opening of the shell is sealed by an epoxy resin glue. The upper part of each trapezoidal wedge is provided with a guide surface, the thickness of the trapezoidal wedge changes along with the width of the inner cavity of the shell and the diameter of the lead, and the width of the trapezoidal wedge can ensure that the two leads are positioned after being inserted into the shell. The thermal link adopts a trapezoidal wedge-shaped shell which is provided with a slope guide surface and is used for fixing the lead, the thermal element can be in contact with the inner wall of a mounting surface at the bottom in the shell, and heat energy absorbed by the mounting surface of the thermal link enables the thermal element to be quickly fused under the help of a fluxing agent.

Provided is a novel combustion agent which is stable and efficient. The stable and efficient novel combustion agent comprises the following components in parts by weight: 18-21 parts of high-energy aluminum alloy powder or magnesium-aluminum alloy powder, 12-15 parts of ferric oxide, 3-5 parts of molybdenum trioxide, 50-55 parts of copper oxide, 0.5-2 parts of tungsten powder, 1-3 parts of a free-flowing agent and 2-5 parts of fluororubber. The stable and efficient novel combustion agent is prepared by a series of steps of raw material powder mixing, granulation glue solution preparation, mixing granulation and the like. The stable and efficient novel combustion agent disclosed by the invention is easier to mix uniformly, the safety of the preparation process is improved, the fusing and melting-through action capability of flame jet on a metal target object is improved, and meanwhile, various sensitivity indexes are reduced; the compatibility is good, and the stability is excellent; the combustion temperature can reach 2800 DEG C or above, and the flame retardant can be used for igniting materials, damaging core components of facilities and equipment and melting down strip-shaped, rod-shaped and linear metal obstacles. In addition, the invention also provides a preparation method of the stable and efficient novel combustion agent.

The invention discloses a preservative for a fruit juice beverage. The preservative is prepared from the following components in mass-volume ratio: 0.05%-0.10%(w / v) of sodium ascorbate, 0.01%-0.03%(w / v) of pectin and 0.05-0.1%(w / v) of potassium diformate. The preservative for the fruit juice beverage disclosed by the invention has the effects of being green, safe, efficient and antiseptic. The invention further provides a preparation method of fruit juice using the preservative.

The invention provides a semiconductor device which comprises an electric fuse positioned on the surface of a semiconductor substrate, and a first conductive plug and a second conductive plug which are respectively positioned on a positive electrode and a negative electrode of the electric fuse, wherein each of the first conductive plug and the second conductive plug comprises an end part and a neck part; the end parts are arranged in a manner of being close to a middle section, and the neck parts are arranged in a manner of being far away from the middle section; the widths of the first conductive plug and the second conductive plug in the direction perpendicular to the middle section of the electric fuse are greater than the widths of the neck parts. After voltage is applied to the first conductive plug and the second conductive plug, current is concentrated to the end parts, and heat generated on the first conductive plug and the second conductive plug is concentrated to the end parts, so that the fusing rate of the middle section of the electric fuse is increased.