165results about How to "Reduce explosion" patented technology

A process for crosslinking polymers employs a silane crosslinker which, upon hydrolysis, produces a reduced quantity of volatile organic compound.

The present invention relates to a cathode active material for a lithium secondary battery, a method for preparing the same, and a lithium secondary battery including the same, and provides a cathode active material including: a lithium manganese-excess layered structure composite oxide represented by Formula Li[Lix-z(NiaCobMnc)1-x]O2-yFy (here, a+b+c=1, 0.05≦x≦0.33, 0≦y≦0.08, and 0<z≦0.05); a metal fluoride coating layer coated on a surface of the composite oxide; and a metal phosphate coating layer coated on the metal fluoride coating layer.

A hydrogen fuel system for an internal combustion engine includes a water reservoir and a fuel cell in fluid communication with the water reservoir. An oxygen line is fluidly coupled to the hydrogen fuel cell and receives and transports oxygen away from the fuel cell. A hydrogen line is fluidly coupled to the fuel cell and receives and transports hydrogen away from the fuel cell. An engine gas interface is fluidly coupled to the oxygen line and the hydrogen line, and operatively coupled to an engine intake. The engine gas interface receives oxygen and hydrogen from the oxygen and hydrogen lines, and introduces the hydrogen and oxygen into the engine intake. A vibration sensor is operatively coupled to the engine gas interface to detect engine vibration of the internal combustion engine, and deactivates the fuel when the sensor does not detect vibration from the engine.

A capacitor holder for mounting capacitors used in electronics assemblies into a fixture, as well as mounting other types of components in other panels. The capacitor holder includes a support for receiving the capacitor and a cover for covering the capacitor. The cover and the support are attached to each other without the use of separable fasteners. Typically, snap-fit tabs depending from the cover are used to attach the cover to the support with a capacitor there between to form an assembly. The assembly is mounted into a fixture panel without the use of separable fasteners. In another typically embodiment, the mounting members are push-in and twist or push-in and snap-fit members integral with the cover. Thus, the capacitor is mounted within a fixture without separable fasteners. A method of aligning the capacitor within the panel is also disclosed.

The invention discloses a high-insulation fiber-adding antiflaming blow-molding nylon composite material and a preparation method thereof, wherein the composite material is prepared from the following components in parts by weight: 50-70 parts of PA66, 10-20 parts of EOVA, 5-10 parts of MXD6, 1-5 parts of compatilizer, 15-20 parts of glass fiber, 20-25 parts of flame retardant, 5-10 parts of plasticizer, 0.1-0.3 part of heat stabilizer, 0.1-1 part of antioxidant and 1-5 parts of nanometer montmorillonite. The high-insulation fiber-adding antiflaming blow-molding nylon composite material is prepared by firstly mixing all raw materials in a high-speed machine, and secondly extruding and pelleting the mixed raw materials by a double-screw extrusion pelletizer within the temperature range of 190-250 DEG C. The invention has the advantages of high insulation, high rigidity, high heat resistance, halogen free, fire resistance, single-layer blow-molding, concise and convenient technology and the like; and in addition, the invention greatly reduces the cost and improves the competitiveness in the market on the premise of guaranteeing quality.

A hydrogen fuel system for an internal combustion engine includes a water reservoir and a fuel cell in fluid communication with the water reservoir. An oxygen line is fluidly coupled to the hydrogen fuel cell and receives and transports oxygen away from the fuel cell. A hydrogen line is fluidly coupled to the fuel cell and receives and transports hydrogen away from the fuel cell. An engine gas interface is fluidly coupled to the oxygen line and the hydrogen line, and operatively coupled to an engine intake. The engine gas interface receives oxygen and hydrogen from the oxygen and hydrogen lines, and introduces the hydrogen and oxygen into the engine intake. A vibration sensor is operatively coupled to the engine gas interface to detect engine vibration of the internal combustion engine, and deactivates the fuel when the sensor does not detect vibration from the engine.

A system 10 and method for reducing the possibility of fires and / or explosions when a vehicle impacts an object includes a cable connector 12 having a first portion 14 connected to an ungrounded terminal 20 of a battery 22 in the vehicle and a second portion 16 connected to all vehicle electrical components requiring power from battery 22, an inert gas canister 18 having an internal pressure that facilitates the separation of the first and second portions 14 and 16 of the cable connector 12 when predetermined conditions are satisfied, electric squib means 24 for initiating pressurized inert gas flow from the canister 18 to the first portion 14 of the cable connector 12, an accelerometer 28 for sensing impact between the vehicle and the object, and a microprocessor 30 for signaling the accelerometer 28 to “fire” the squib means 24 when the magnitude of impact requires an inert gas flow to the first portion 14 whereby the second portion 16 is forcibly ejected from the first portion 14 and the area adjacent to the first portion 14 is blanketed with inert gas thereby reducing the possibility of fire and / or explosion resulting from fuel vapors engaging electrical arcs or vehicle “hot spots.”

An apparatus and process for providing exceptionally high velocity projectiles and safer, more accurate munitions. Inefficiencies in explosive oxidation rates and initial resistance to velocity acquisition are overcome.

A rechargeable battery includes: an electrode assembly including a first electrode and a second electrode; a case housing the electrode assembly; and a safety member including a short circuit guide portion between the case and the electrode assembly, the short circuit guide portion including a plurality of holes and a connection portion electrically connecting the short circuit guide portion and the second electrode.

The invention refers to a stator paint dropping technique and paint-dropping device. The method: only when the paint dropping heat contacts the stator coil, the insulating paint can be output to droppaint; the paint-dropping device is composed of clamp, paint dropping head, elastic collet, active bracket and vernier bracket. The paint dropping head has the ability to store paint and adopts contact-type and intermittent paint dropping.

A process is disclosed for the direct catalytic production of aqueous solutions of hydrogen peroxide from hydrogen and oxygen in the presence of a small amount of one or more water soluble organic additives (about 0.1-10% by weight). Suitable catalysts include nanometer-sized noble metal catalytic crystal particles. The catalyst particles preferably have a controlled surface coordination number of 2 to increase the selectivity of hydrogen peroxide production. The water soluble additive(s) increases catalytic activity causing significant increases in the apparent first order reaction rate constant for the direct production of aqueous hydrogen peroxide.

The invention relates to a terminal short circuit protection method and a device. At least one first electronic component which is in a system of a terminal and is relevant to charging and discharging is equipped with a corresponding rapid temperature response device, and at least one electronic control component of the system of the terminal corresponding to the first electronic component is connected with a signal generation device corresponding to the rapid temperature response device. The method comprises steps that an interruption signal sent by the signal generation device is received by the electronic control component, the interruption signal is generated by the signal generation device when detection temperature of at least one rapid temperature response device reaches a corresponding set threshold, and circuits related to a power source are cut off. Through the method and the device, the circuits related to the power source can be cut off through the electronic control component after the temperature of the electronic component rises to the set threshold because of short circuit, the terminal can be prevented from being damaged by continuous energy, and safety of the terminal is improved.

The invention relates to an explosion-proof performance detecting device with a fire extinguishing function for battery production, and relates to the technical field of an explosion-proof performancedetecting device for battery production. The explosion-proof performance detecting device comprises a bottom plate and a first spring plate; the upper end of the bottom plate is provided with first springs; the first spring plate is disposed at upper ends of the first springs; and a first pressure sensor is embedded in the upper end of the first spring plate. The beneficial effects of the invention are that the first spring plate is connected to the bottom plate by using the first springs, when the pressure plate starts to exert pressure to a battery and a first tray apply, the first spring plate is elastically lowered by the first springs on the bottom plate after being pressed, so that the first pressure sensor can be buffered, and when the applied pressure and the first pressure sensorpair are utilized to detect the explosion-proof performance of the battery, the first pressure sensor can be simultaneously protected to prevent the applied pressure from being excessively large to cause the first pressure sensor to be crushed.

The invention provides a method and a device for preparing cumene hydroperoxide through cumene oxygenation. The method is characterized in that in a microreactor group formed by one microreactor or more microreactors connected in series, cumene and an initiating agent are supplied to a first microreactor in the first microreactor group, then a reaction product obtained after oxidizing reaction flows into a second microreactor in the first microreactor group for the oxidizing reaction, continuous flow type oxidizing reaction is carried out sequentially through recurrence till the reaction product finally flows into the last one microreactor for the oxidizing reaction, and purification is carried out finally; in every oxidizing reaction process, oxygen is supplied to all microreactors, and a mole ratio of cumene supplied to the first microreactor to the total oxygen supplied to all microreactors is 0.1:5. The problems that the reaction temperature fluctuation of the traditional technology is large, and the production efficiency and the productivity are low are solved.

The invention discloses a molten iron desulphurization slag pre-processing method, a slag-iron separating method and application of by-products, and belongs to the metallurgy field. The first technical problem that the invention aims to solve is to provide the molten iron desulphurization slag pre-processing method which can control dust and is environment-friendly, and the second technical problem that the invention aims to solve is to provide the slag-iron separating method and application of molten iron desulphurization slag pre-processed by adopting the pre-processing method. The technical scheme adopted by the invention is that the desulphurization slag is subjected to tank-watering, hot disintegration, striking and smashing, screening, grinding, and magnetic separation for recycling iron from the molten iron desulphurization slag; while recycling the metallic iron from the molten iron desulphurization slag, keeping the MFe in tailings smaller than 1%, so that the tailings can be used in cement production.

The invention relates to a battery pack flue gas flow channel system and a battery pack. The battery pack flue gas flow channel system comprises a plurality of branch pipelines, a main pipeline and acooling device, wherein the plurality of branch pipelines are respectively communicated with the main pipeline to form a combustible mixed gas dredging channel. The combustible mixed gas dredging channel dredges a combustible mixed gas generated by the single batteries during thermal runaway to the outside of the battery pack, so that the accumulation of the combustible mixed gas in the battery pack is reduced, and thus the explosion and combustion probability of the battery pack is reduced. Furthermore, the cooling device is arranged at an exhaust port of the main pipeline, thereby reducing the temperature of the combustible mixed gas at the exhaust port of the main pipeline, and effectively avoiding the gas explosion at the exhaust port of the main pipeline. Therefore, the battery pack flue gas flow channel system reduces the explosion and combustion probability of the battery pack and improves the safety of the battery pack.

The invention discloses an intelligent fire-fighting system for a passenger car and a fire extinguishing method. The intelligent fire-fighting system for the passenger car comprises an intelligent terminal. A fire induction device is connected to the input end of the intelligent terminal, and the output end of the intelligent terminal is connected with a start control device. The output end of the start control device is connected with a prefabricated fire extinguishing device. The fire induction device is used for acquiring a fire signal when an open fire occurs. The intelligent terminal is used for receiving the fire signal, processing the fire signal and reminding a driver of the fire in the car. Meanwhile, when system set requirements are met, the intelligent terminal can automatically start the prefabricated fire extinguishing device, starting / fire extinguishment stopping can also be conducted manually according to the actual condition, the start control device is pressed for fire extinguishing or fire extinguishment stopping button is pressed, the prefabricated fire extinguishing device is started / stopped, a fire extinguishing agent is sprayed after the prefabricated fire extinguishing device is started, and thus the purposes of fire extinguishment, fire control and cooling are achieved; and through the intelligent terminal, fire alarming can be achieved intelligently, and the fire extinguishing device can be controlled to start intelligently.

The present invention discloses a combined automatic anti-explosion method for a gas drainage pipeline, comprising specific steps of: preparation of an anti-explosion installation piping; connection of the installation piping and the gas drainage pipeline; assembly of a porous foam material and an automatic control valve; installation of an automatic powder-spraying device and a signal analyzer; installation of a temperature sensor and a pressure sensor; and signal processing and automatic anti-explosion. According to the present invention, the porous foam material is located in a bottom groove of an arched pipeline when no gas explosion occurs in the gas drainage pipeline, without affecting the extraction effect of the gas drainage pipeline. If a gas explosion occurs, the present invention blocks the pipeline with the porous foam material due to its fire resistance and pressure reduction performances, and the automatic powder-spraying device sprays a certain amount of a dry powder explosion suppressant to reduce the explosion overpressure generated in the gas explosion process and isolate the propagation of flame, so that the safety performance of the gas drainage pipeline is ensured, and thus the safety production of coal mines can be ensured.

Disclosed is a fireproof protection method for a cable connector used in a humid environment. A fireproof protection box for the cable connector used in the humid environment is adopted; a non-inflammable dehumidifying material is arranged at the bottom of the fireproof protection box; a normally-closed dampproof and fireproof heat dissipation part, and a temperature-humidity sensor which is in communication with the dampproof and fireproof heat dissipation part are arranged on the fireproof protection box; when the temperature-humidity sensor detects that a real-time temperature in the fireproof protection box is not greater than a preset warning value, the dampproof and fireproof heat dissipation part is controlled to be closed; when the real-time temperature in the fireproof protection box is greater than a first preset warning value and the cable connector is overheated, the dampproof and fireproof heat dissipation part is controlled to be opened; and when the real-time temperature in the fireproof protection box is greater than a second preset warning value and the cable connector is combusted, the dampproof and fireproof heat dissipation part is controlled to be closed. By adoption of the fireproof protection method, effective dampproof protection on the cable connector is realized, thereby promoting heat dissipation of the cable connector, effectively reducing explosion or fire caused by heat accumulation; and in addition, in case of breaking out of fire, fireflow can be effectively blocked to prevent fire from spreading to other cables laid in the same tunnel.

The invention provides a method for increasing the bonding force between a conductor and a non-conductive polymer dielectric layer in a substrate of a printed circuit board. The method comprises the following steps of: roughening the surface of the conductor, and after roughening treatment, soaking the conductor in silane solution of which the volume concentration is 0.01 to 100 percent for seconds to minutes, or directly spraying the silane solution of which the volume concentration is 0.01 to 100 percent onto the surface of the conductor so as to form a silane layer on the surface of the conductor. On the basis of the traditional method, in the method, a process of forming the silane layer is added, so that the bonding force between the conductor and the non-conductive polymer dielectric layer is increased and the problem of plate crack caused by insufficient bonding force between the conductor and the non-conductive polymer dielectric layer is solved.

The invention provides a smart strip and a control method of the smart strip. The smart strip comprises a speech processing module, an executing module,, an information acquisition module and a speechplaying module, wherein the speech processing module is used for acquiring speech signals of a user, recognizing the speech signals and acquiring corresponding control commands; the executing moduleis used for controlling on / off statuses of corresponding jacks in accordance with the control commands; the information acquisition module is used for acquiring working status information of the jacks; and the speech playing module is used for playing the working status information of the jacks. According to the invention, purposes of achieving simple and rapid distance control over the strip andtimely and connecting connecting jack statuses of the strip can be realized.

The invention provides a method for increasing bonding force between a conductive body and a non-conductive macromolecule dielectric layer in a printed circuit board substrate. The method comprises the steps of performing rough treatment to the surface of the conductive body, soaking the conductive body in a silane solution with 0.01%-100% of volume concentration for seconds or minutes after the rough treatment or directly spraying the silane solution with 0.01%-100% of volume concentration onto the surface of the conductive body, and accordingly adding a silane layer on the surface. On the basis of existing methods, the method increases a process for forming the silane layer in one step, thereby increasing the bonding force between the conductive body and the non-conductive macromolecule dielectric layer and solving the board exploding problem caused by insufficient bonding force between the conductive body and the non-conductive macromolecule dielectric layer.

A vehicle safety rollover device utilizing a circular arc level for detecting vehicle rollover is disclosed. Upon detection, the device automatically shuts-off power to an ignition system and notifies for shut-down of the electrical system of the vehicle. The circular arc level is capable of measuring gravitational norm deviation while remaining impervious to the effects of acceleration, deceleration, impact, and centripetal forces.

A refueling adapter is provided. The refueling adapter includes a nozzle section and an inlet section coupled to and positioned upstream of the nozzle section, the inlet section including a restrictor element extending across an inlet section flow passage and an anti-sealing rib coupled to an inlet section housing and axially extending across the inlet section flow passage.

A powdered medium for the cleaning of exhaust gases, e,g. smoke and gases from industrial chimneys, employing the principle of dry adsorption, which includes a mixture of activated cokes with inert materials which have no dust explosiveness To prepare a mixture containing powdered activated cokes, in which mixture the concentration of carbon is up to 30% by weight and which when used in the airstream process under essentially all operating conditions, is not subject to virtually any fluctuations in concentration such that with a concentration of oxygen up to 21% by volume, no dust-explosive fractions can form, at least one inert material component in the mixture is matched in terms of its grain size distribution to the grain size distribution of the activated coke component, so that in a gas medium at rest, the speed of vertical descent of the coarse grain of the inert material components is substantially equal to or greater than the speed of vertical descent of the coarse grain of the activated coke components. The powdered medium can be used in essentially all exhaust gas cleaning systems, in separately operated or upstream or downstream adsorption stages employing the airstream principle.

A barrier and system for the protection of a crowd from terrorists, by evaluating each individual for any concealed prohibited items. Each individual is exposed to one or more screening mechanisms, controlled by a monitoring unit, while passing in an organized fashion through an enclosed walkway containing the screening mechanism, and exiting on the other side. When a prohibited object is detected, response is provided and the smart door device is locked to detain and isolate the suspected individual in the device structure's interior. The structure of the invention is also configured to deflect the blast created by a potential explosion and prevent harm to other individuals and structures nearby.

The invention relates to an underwater equipment inspection system and method based on edge calculation. The method comprises the following steps: carrying out unique coding on underwater equipment; each underwater device sends various state data of the underwater device to the edge computing device through a corresponding controller. The edge computing device carries out data preprocessing on the data and sends the processed data to the edge computing server, the edge computing server carries out further classification processing and storage on the data, and device state data is uploaded to a water surface data service center. According to equipment state data, operations such as inspection and fault analysis are carried out on underwater equipment, the characteristics of edge calculation are utilized, the data do not need to be transmitted to a remote end for processing, the data can be solved at the edge side, the method is more suitable for real-time data analysis and intelligent processing, and the method is more efficient and safer. And finally, the use requirements are met, inspection and troubleshooting of the underwater equipment are completed, and stable operation of the underwater equipment is ensured.