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130results about How to "Prevent burn damage" patented technology

Thin film transistor, display substrate and display device

The invention relates to the technical field of display, provides a thin film transistor, a display substrate and a display device and aims to solve the problem of bad disconnection of follow-up electrodes in via holes. The thin film transistor comprises an active layer, a gate insulator, a grid electrode, an interlevel dielectric, a source electrode and a drain electrode, and the active layer, the gate insulator, the grid electrode, the interlevel dielectric, the source electrode and the drain electrode are sequentially arranged on a substrate. The source electrode and the drain electrode are respectively connected with the active layer through via holes exposed outside the active layer; the grid insulator at least comprises two silicon oxide layers and two silicon nitride layers, and the interlevel dielectric at least comprises four silicon oxide layers and four silicon nitride layers; all silicon oxide layers and silicon nitride layers of the gate insulator and the interlevel dielectric are arranged at intervals, and one side, away from the substrate, of each via hole is larger than one side, close to the substrate, of each via hole. The thin film transistor is applicable to manufacturing of the display device and the display substrate with the thin film transistor.
Owner:BOE TECH GRP CO LTD

Accumulator car facility

The invention discloses an accumulator car facility. The accumulator car facility comprises a charging box body and a charging gun which is jacked into the charging box body to be connected with the charging box body in a matched mode. A hook is fixedly arranged on the left side of the charging box body, and a hanging slot is formed between the hook and the charging box body. An inner end slot stretching left and right is formed in the charging box body, and a jacking slot communicates with the right end of the inner end slot and the exterior of the charging box body. A partition plate fixedly connected with the charging box body is arranged on the position, located above the jacking slot, of the right end of the inner end slot, and an open hole upwards stretching is formed in the partition plate. According to the accumulator car facility, the overall structure is simple, production cost is low, power supplying is safe and stable, running operation is easy, the electric shock accident in existing lives is effectively reduced, life and property safety of people is guaranteed, occurrence of the accumulator car power outage accident caused by error kick and error collision can be avoided, the service life of the accumulator car facility is effectively protected, and the accumulator car facility is suitable for being used and popularized.
Owner:贾庆萱

Water-retaining slow-release fertilizer for saline-alkali soil improvement and preparation method thereof

The invention discloses water-retaining slow-release fertilizer for saline-alkali soil improvement and a preparation method thereof. The preparation method comprises the following steps: mixing and stirring 0.5-1.5 parts of a urease inhibitor and 0.2-0.6 part of a nitrification inhibitor with 0.5-2 parts of gamma-polyglutamic acid, uniformly mixing with 79-116 parts of molten compound fertilizer, cooling, drying and granulating to obtain long-lasting compound fertilizer; uniformly mixing 4-6 parts of potassium feldspar, 5-8 parts of vermiculite, 5-10 parts of peat, 15-20 parts of maleic anhydride, 6-10 parts of phosphogypsum, 0.1-2 parts of EDTA, 12-15 parts of biochemical fulvic acid, 15-25 parts of potassium humate, 35-40 parts of livestock and poultry fermented organic fertilizer, 80-120 parts of the long-lasting compound fertilizer and 1-5 parts of a water-retaining agent to obtain the water-retaining slow-release fertilizer. The water-retaining slow-release fertilizer can effectively reduce the salinity and the alkality of saline-alkali soil, can improve the fertilizer utilization ratio, can reduce environment pollution caused by application of a large amount of chemical fertilizer, and has the advantages of long-lasting fertilizer efficiency and environment friendliness of raw materials.
Owner:SHANDONG SUNWAY LANDSCAPE TECH

Junction box of solar photovoltaic module

The invention relates to a junction box of a solar photovoltaic module, which is characterized by comprising an electrical part, wherein the electrical part comprises a group of metal sheets and diodes which are connected among the metal sheets; a cable conductor is connected with the electrical part; the electrical part and one connecting end of the cable conductor are packaged in a body plastically; the front side of the body is provided with a connecting line cavity body which is provided with a sealed cover, and a seal ring is arranged between the sealed cover and the connecting line cavity body; a radiating cavity body is arranged below the body and formed by a mounting edge and a lateral bar, and the lateral bar is connected with the mounting edge and the body; and the front ends of the metal sheets extend out of the body to stretch into the connecting line cavity body so as to form lead ends, and the mounting edge is arranged below the connecting line cavity body in an extended mode. The body, the electrical part, the connecting line cavity body and the radiating cavity body are subjected to the integral injection molding to form an integral body. The technology is simple, the manufacturing cost is low, the volume is small, the radiating performance is good, the current bearing capacity is strong, the waterproof and dustproof performance is good, and the service life is long.
Owner:崔鹏 +1

Long-service-life welding apparatus

The invention discloses a long-service-life welding apparatus. The long-service-life welding apparatus comprises a frame body and an electric connector which is inserted in the frame body to be connected therewith in a matching manner; an internal groove which extends left and right is formed in the frame body; an inserting groove is connected between the right end of the internal groove and the exterior of the frame body; a partition strip fixedly connected with the frame body is arranged at the right end of the internal groove above the inserting groove; an opening slot which extends upwardly is formed in the partition strip; and the left end of the opening slot is connected with the internal groove, the right end is connected with the exterior of the frame body, and the lower side is connected with the inserting groove. The long-service-life welding apparatus is simple in overall structure, low in production cost, safe and reliable in power supply, simple and convenient in operation, and capable of effectively reducing electric shock accidents in the existing life, safeguarding life safety of people, avoiding power failure accident of the welding machine caused by mistake kicking and mistake collision, and effectively protecting the service life of the welding machine, and is suitable for popularization and use.
Owner:衢州市洼帝尔数控设备有限公司

Welding lifting hook with good anti-stripping property

InactiveCN108083099APrevent looseningGuaranteed anti-shedding effectLoad-engaging elementsPower flowHigh volume manufacturing
The invention discloses a welding lifting hook with good anti-stripping property, wherein the welding lifting hook includes a hook body and a round head. The round head is located at the tail end of the hook body and is fixedly connected with the hook body; a rotating shaft is arranged at one end of the outer wall of the hook body, and one end of the rotating shaft is rotatingly connected with ananti-stripping device; a fixing hole is arranged on the surface of one end of the anti-stripping device; a clamping groove is arranged at the inner side of the round head. With the arrangement of a fixing rod, the anti-stripping device can be fixed, so a condition of looseness of the anti-stripping device is prevented, at the same time, the influence of external factors on the anti-stripping device can also be prevented, and the anti-stripping property of the lifting hook is ensured; because a lifting ring is made of an insulation material, electric shock accidents and burned damage of cranesand appliances caused by poor ground connection of welding current can be effectively prevented, and accidents caused by electric shock and leakage are prevented; through arrangement of transverse reinforcing ribs and vertical reinforcing ribs, the structural strength of the hook body can be strengthened, and local deformation and fracture of the hook body cannot appear in the process of use, so the lifting hook is suitable for mass production and use.
Owner:合肥市春华起重机械有限公司

Automatic active argon tungsten-arc welding method

The invention belongs to the technical field of welding and particularly relates to an automatic active argon tungsten-arc welding method. In order to further improve the welding efficiency and welding quality of the current active argon tungsten-arc welding, the invention discloses a novel automatic active argon tungsten-arc welding method. According to the automatic active argon tungsten-arc welding method, a double-layer protective gas welding gun is adopted for carrying out argon tungsten-arc welding, wherein an inner layer gas passage transports inert gas, and an outer layer gas passage transports active agent powder and outer layer gas. With adoption of the automatic active argon tungsten-arc welding method, through changing the elements of the active agent or the variety of the outer layer gas, flow behavior of metal in a furnace hearth can be changed, the fusion depth and depth-to-width ratio of a weld joint are increased in a multiplied manner, the elements and the texture ofthe weld joint are controlled, and the mechanical property of the weld joint is improved to obtain the weld joint with high quality and high fusion depth; and in addition, automatic adding of the active agent can be realized during the welding process, so that automation of the welding operation is realized, and the welding efficiency is improved.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

Intelligent reversing control system, intelligent reversing control method, intelligent radiant tube heat regeneration device and intelligent radiant tube heat regeneration method

The invention relates to an intelligent reversing control system, an intelligent reversing control method, an intelligent radiant tube heat regeneration device and an intelligent radiant tube heat regeneration method. The intelligent reversing control system comprises a flue gas temperature sensor, an exhausted gas temperature sensor, a fuel gas reversing valve, an air reversing valve and a master control module, wherein the fuel gas reversing valve is arranged on a fuel gas passage, the air reversing valve is arranged on an air passage and is provided with an outlet port, the flue gas temperature sensor is arranged in a radiant tube and is used for detecting a temperature of flue gas in the radiant tube and sending temperature signals to the master control module, the exhausted gas temperature sensor is arranged at the outlet port position of the air reversing valve and is used for detecting a temperature of exhausted flue gas and sending temperature signals to the mater control module, and the master control module is used for receiving the temperature signals from the flue gas temperature sensor and the exhausted gas temperature sensor, computing and analyzing the signals and controlling the air reversing valve and the flue gas reversing valve to reverse. The intelligent reversing control system is capable of achieving intelligent reversing of the radiant tube in regenerative combustion and improving control precision of the regenerative gas-fired radiant tube, and workload adjustment is facilitated.
Owner:SHENWU TECH GRP CO LTD

Novel bracket of computer host case

The invention discloses a novel bracket of a computer host case. The novel bracket comprises a base; a transverse sliding groove which communicates in the left-right direction is formed in the base, and a longitudinal sliding groove which communicates in the front-back direction is formed in the position, above the transverse sliding groove, in the base; a transverse clamping device is arranged inthe transverse sliding groove, and a longitudinal clamping device is arranged in the longitudinal sliding groove; a flexible cushion is arranged on the top of the base; and a left through groove anda right through groove which are provided with downward openings are symmetrically formed in the bottom of the base. The novel bracket is simple in structure, low in product cost, easy to operate andconvenient to use; the computer host case can be fixed stably in the transverse direction and the longitudinal direction and is also protected well, and accordingly the situation that the computer host case is kicked mistakenly, and consequently the computer host case is damaged or a power failure accident occurs is prevented; and the heavy computer host case can be also carried through the novelbracket, overall carrying of the computer host case is facilitated, and thus the novel bracket is suitable for being used and popularized.
Owner:LIXIN COUNTY YURUO INFORMATION TECH CO LTD

Height sensing control system of bituminous pavement maintenance heater

The invention discloses a height sensing control system of a bituminous pavement maintenance heater. The height sensing control system of the bituminous pavement maintenance heater comprises a pavement heater, a height sensor, a main controller, a lifting mechanism and a heating switch circuit, wherein the pavement heater is used for heating and maintaining a bituminous pavement; the height sensor is used for collecting the value of the height from the pavement heater to the bituminous pavement; the main controller determines the pavement level according to a collected height signal and sends out a corresponding executive command; the lifting mechanism executes the executive command output by the main controller and drives the pavement heater to ascend or descend automatically to regulate the height; the heating switch circuit is controlled by the main controller to decide whether the pavement heater stops acting; the height sensor, the lifting mechanism and the heating switch circuit are respectively connected with the main controller; the pavement heater is connected with the lifting mechanism and the heating switch circuit respectively. The height sensing control system of the bituminous pavement maintenance heater provided by the invention can automatically and accurately control the terrain clearance of the pavement heater, can improve the use safety and operation convenience effectively, and has the advantages of simple and reasonable structure, low manufacture cost, high intensity, flexibility in operation and long service life.
Owner:湖州市双林工业园区开发有限公司

Power distribution automatic terminal and method for improving reliability of breaker

The invention discloses a power distribution automatic terminal and a method for improving reliability of a breaker. The power distribution automatic terminal comprises a switching abnormality monitoring interface, software and a controllable switching operation power supply module, wherein the monitoring interface and the software are arranged in a distribution network automatic terminal. A control chip of the power supply module has the working capability of turning off a PWM switching power supply. A control pin of the control chip is controlled by the distribution network automatic terminal so as to stop or recover energizing of an operation circuit of the breaker. The protection method is characterized in that a measuring and controlling module of the power distribution automatic terminal monitors the breaker; when a breaker control coil which does not finish a control action for a long time is energized, the measuring and controlling module emits a control signal to the power supply module; the power supply module stops an operational power supply of the breaker from working after receiving the signal emitted by the measuring and controlling module. As the operation power supply is automatically cut off when the control circuit of the breaker is abnormal and external actions are not needed, the phenomenon that the breaker control coil is energized for a long time and is prone to burn and damage is avoided and maintaining loads are reduced.
Owner:叶明宝

Solenoid valve driving circuit

The invention relates to the technical field of electric circuit driving, in particular to a solenoid valve driving circuit. The circuit comprises an input rectifier filter circuit, a power supply circuit, and a control driving circuit; the input rectifier filter circuit is electrically connected with a power source and outputs filter voltage to the power supply circuit based on voltage of the power source; the power supply circuit outputs power supply voltage to the control driving circuit based on the filter voltage; the control driving circuit is electrically connected with the power supplycircuit and comprises a control chip; and when the control chip receives the power supply voltage, the control chip outputs a broad pulse signal and a narrow pulse signal. According to the prior art,although a solenoid valve can be effectively driven, the solenoid valve is prone to burning out due to the influence of self power consumption of a solenoid valve coil. Compared to the prior art, thesolenoid valve driving circuit meets the need of motivating the solenoid valve by outputting the broad pulse signal and meets the need of continuous operation of the solenoid valve via the narrow pulse signal, so the working current of the solenoid valve is effectively lowered and power consumption of the solenoid valve is thereby lowered.
Owner:浙江桃园智能科技有限公司

Circuit breaker arc extinguishing device

A circuit breaker arc extinguishing device comprises an arc extinguishing chamber, a static contact plate, a movable contact plate and an arc isolating sleeve structure arranged between the arc extinguishing chamber and the static contact plate in a sleeving manner. The arc isolating sleeve structure is made of an insulating aerogenesis material, and comprises a lower arc isolating sleeve which surrounds a static contact and covers the static contact plate, and two upper arc isolating sleeves which are oppositely arranged at the two sides of an arc striking opening and wrap the U-shaped pin ends of a plurality of arc extinguishing grid pieces. The arc extinguishing grid pieces and the exposed part of the static contact plate are wrapped and covered through the arc isolating sleeve structure, an arc striking channel directly communicated with the interior of the arc extinguishing chamber is formed, and electric arcs are prevented from flowing to the two sides of the arc striking opening. The arc-isolating sleeve structure made of the insulating aerogenesis material generates a high-temperature gas under the action of the arc, and the arc is blown into the arc extinguishing chamber for arc extinguishing by utilizing an arc blowing effect, so that the resistance of the arc entering the arc extinguishing chamber is reduced, the arc striking efficiency is high, the arc extinguishingefficiency is improved, and the arc extinguishing capability and breaking capability of a circuit breaker are improved.
Owner:乾友科技有限公司
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