70results about How to "Guaranteed safe state" patented technology

The invention discloses a liquid cooling high-power charging device and a monitoring method of the liquid cooling high-power charging device. The liquid cooling high-power charging device comprises charging cables, a charging controller and a cooling system. One end of each charging cable is connected with a charging gun. Each charging gun is provided with a thermal sensor. The cooling system comprises an oil tank, an oil pump and a heat dissipater, the oil tank, the oil pump and the heat dissipater are connected with the charging cables through pipelines, and a cooling loop is formed. The thermal sensors are connected with the charging controller and used for detecting the working temperatures of two terminals of the charging guns. The charging controller judges whether the working temperatures are larger than a first preset temperature threshold value or not, and if the working temperatures are larger than the first preset temperature threshold value, charging current is reduced to the preset current range or charging is stopped. By the adoption of the technical scheme, the reliability of the liquid cooling high-power charging device can be improved.

The invention belongs to the technical field of temporary support of a fully mechanized drivaging face of an underground coal mine, particularly relates to a speedy drivage forepoling and solves the safety problem of the forepoling of the existing heading face. The speedy drivage forepoling comprises an inner side bracket group and an outer side bracket group, wherein each of the inner side bracket group and the inner side bracket group comprises a left bracket and a right bracket; the left bracket and the right bracket of the inner side bracket group are arranged on the inner sides of the left bracket and the right bracket of the outer side bracket group; crossbeams and longitudinal beams of the inner side and outer side bracket groups are arranged alternately; a cantilever beam is arranged at the front ends of the longitudinal beams of the inner side bracket group; push-pull oil cylinders are respectively arranged on left and right bases and the crossbeams of the inner and outer side bracket groups; a height difference exists between the tops of the crossbeams and the bottoms of the longitudinal beams of each bracket group; carrier rollers are arranged in positions, corresponding to the bottoms of the longitudinal beams of the other bracket group, of the tops of the crossbeams of one bracket group. According to the invention, top plates for full faces can be supported easily, timely and actively, and safety management for the top plates of a mine is facilitated.

The invention relates to a control system for the coal gasification technical process of a wet entrained flow bed. The control system comprises an oxygen / slurry ratio and feeding quantity control system, a gasification reactor temperature control system, a gasification reactor quenching chamber liquid level control system, a gasification reactor pressure control system, a mixing atomizer cooling protection system, a slag discharging control system, a water scrubber liquid level control system, a liquid level control system for an ash water treatment part, a pressure control system for the ash water treatment part and a safety protection system. The control system can carry out accurate measuring and effective control on the gasification reaction process. And the control system is also provided with the safety protection system, thus, once any one of the protected subsystems goes wrong and when the condition set by the safety protection system is fulfilled, the safety protection system is immediately started to trigger the gasification reactor to stop.

The invention relates to a passive waste heat discharge system of a nuclear power station steam generator secondary side. The passive waste heat discharge system comprises a cooling water tank which is arranged on the outer part of a containment vessel of a reactor and is filled with water, a heat exchanger which is immersed at the bottom of the cooling water tank, a first waste heat discharge pipe of which one end goes through the containment vessel and then is connected to an inlet of the heat exchanger, a steam pipe isolating valve which is arranged on the first waste heat discharge pipe, a second waste heat discharge pipe of which one end goes through the containment vessel and then is connected to an outlet of the heat exchanger, and a first isolating valve set which is arranged on the second waste heat discharge pipe; the other end of the first waste heat discharge pipe is connected to a steam pipe on an upper end of a steam generator; and the other end of the second waste heat discharge pipe is connected to a water feeding pipe of the steam generator. The passive waste heat discharge system can discharge reactor core waste heat for a long time and keep a reactor safe state in a passive way by a steam / water density difference as a driving force under the conditions of station blackout and complete loss of a dynamic reactor core waste heat discharge capacity of the electric field.

The invention discloses a lithium-ion battery electrolyte for a ternary material battery, belonging to the technical field of lithium-ion battery electrolytes. Technical scheme of the invention includes the following key points: the lithium-ion battery electrolyte for the ternary material battery comprises an organic solvent, lithium salt, and an additive, wherein the mass ratio of the organic solvent to the lithium salt to the additives is (80-87):(10.9-14):(1.9-2.5). With cyclohexyl benzene, imidodisulfuryl fluoride lithium and lithium bis(oxalato)borate added to the lithium-ion battery electrolyte in the invention, the performances of the battery in normal temperature cycle, high temperature cycle, full charge storage and overcharge tests are significantly improved.

The technical scheme of the invention provides a battery, a terminal and a charging system. The battery comprises a battery charging port, a battery discharging port, a battery negative electrode port, an overcurrent protection component, a protection integrated circuit, a control switch and a battery cell, wherein the battery charging port is connected with a positive electrode of the battery cell, the control switch is connected in series between a negative electrode of the battery cell and the battery negative electrode port, the protection integrated circuit is connected in parallel with two ends of the battery cell and is also connected with the control switch so as to send a control signal to the control switch, and moreover, the overcurrent protection component is connected in series between the battery discharging port and the positive electrode of the battery cell. The battery provided by the invention is provided with dual paths of charging and discharging, the battery can be charged with a large current, and the overcurrent protection component cannot be seriously heated; and moreover, current overload detection can also be performed on discharging.

The objective of the invention is to provide a component mounting apparatus which can ensure the safety of an operator and keep motion of a mounting head in the case of disengagement of a carriage holding a part feeder from a base.The component mounting apparatus (1)includes a carriage (22) that holds a part feeder (21) for supplying a component (3) in a state of being attached to a base and attaches the part feeder to the base (11) in a state of being coupled to the base; a mounting head (31) that mounts the component to a substrate (2) after the component is taken out of the part feeder (21) held by the carriage coupled to the base through an opening (44) formed between the base and a cover member (36) formed so as to cover an upward side of the base; and a shutter (45) moved from an opened position in which the opening is opened to a closed position in which the opening is closed when the carriage is separated from the base.

A liquid-cooled battery, in particular in the form of an energy store for an electrical drive in a motor vehicle is provided. The battery has a plurality of storage cells 2 and at least one volume 4 which makes thermally conductive contact with the storage cells 2 and through which a cooling medium can flow. Each of the storage cells 2 has a safety valve 12 which opens the storage cell when a predetermined media pressure in it is exceeded, and connects the volume of the storage cell to the surrounding area. The safety valve 12 is arranged in the storage cell 2 and the storage cell 2 is arranged with respect to the volume 4 through which the cooling medium can flow such that a connection is produced between the volume 4 through which the cooling medium can flow, and the interior of the storage cell 2 if the safety valve 2 is operated.

The invention relates to the technical field of pressurized water reactor nuclear power plant accident treatment, and specifically discloses a pressurized water reactor nuclear power plant circuit over-pressure protection and pressure-relief system, which comprises a pressurizer, a pressure-relief box pipeline, a pressurizer safety valve, a plurality of pneumatic separation valves and a plurality of electrical separation valves, wherein the pipeline positioned on the pressurizer and connected with the pressure-relief box pipeline is provided with the pressurizer safety valve, the pipeline for connecting the pressurizer and the pressure-relief box pipeline is further provided with three parallel connection branches, the first branch comprises the electrical separation valve A and the pneumatic separation valve A, the electrical separation valve A and the pneumatic separation valve A are connected in series, the second branch comprises the electrical separation valve B and the pneumatic separation valve B, the electrical separation valve B and the pneumatic separation valve B are connected in series, the third branch comprises the electrical separation valve C and the pneumatic separation valve C, and the electrical separation valve C and the pneumatic separation valve C are connected in series. With the pressurized water reactor nuclear power plant circuit over-pressure protection and pressure-relief system, the over-pressure protection and pressure-relief function can be performed under working conditions such as normal operation of nuclear power plants, basis accidents and severe accidents so as to maintain the safe status of the reactor.

The invention discloses a vehicle ECU upgrading control method. The method comprises the following steps: firstly, when a T-box receives a signal that an ECU needs to be updated from a cloud server, the T-box downloads the engine data to the ECU through the cloud server and sends an upgrading request to the vehicle instrument; after the vehicle instrument receives the upgrading request, whether the vehicle condition meets an upgrading condition or not is judged, when the vehicle condition meets the upgrading condition, an instrument display screen displays that an ECU can be upgraded, and finally a user completes ECU upgrading through man-machine interaction. According to the method, the time of waiting for ECU upgrading by the user is remarkably shortened, the participation degree and theperceptibility of the user are improved, and the driving safety is not influenced.

The invention provides a coal bed blind alley enclosing wall and a blind alley anti-explosion method using the same. The coal bed blind alley enclosing wall comprises a wall body and an inlaying part arranged on the periphery of the wall body, wherein the wall body is inlaid in the wall of a blind alley through the inlaying part; the wall body is perpendicular to the extension direction of the blind alley; the wall body is provided with a gas extraction tube which is perpendicular to the direction of the wall body, an inert gas injection tube, an observation tube and a water draining tube; and valves are respectively arranged on the gas extraction tube, the inert gas injection tube, the observation tube and the water draining tube. By the coal bed blind alley enclosing wall and the blind alley anti-explosion method using the same, accident potentials of self-combustion fire of coal and gas explosion in the blind alley can be eliminated.

The invention belongs to the technical field of wind tunnel tests, and provides a control method of a pure gas jet flow wind tunnel and aims to carry out related tests of an aircraft or an engine in alaboratory environment. The method comprises the steps of a test preparation stage, a small-flow inflation stage, an injection starting stage, a wind tunnel test stage, a deflation stage and the like. Firstly, small-flow heat storage tank pressurization is carried out in a heat storage tank, after the pressure reaches a preset value, an injection system is started, then total pressure stabilization control is achieved through a large-flow inflation path, then a wind tunnel test is carried out, and residual gas in the tank is discharged after the test is finished. Pressurization of the heat storage tank, starting of the injection system and total pressure stabilization control are achieved, and then safe and automatic operation control over the pure gas wind tunnel is achieved. The controlmethod is suitable for pure gas free jet test equipment based on a heat storage heating mode.

The invention discloses a vehicle battery replacement design method based on a remote monitoring terminal and the remote monitoring terminal, and belongs to the technical field of vehicle battery replacement. The method comprises the following steps that: a Bluetooth connection is established with a battery swap station in a manner of broadcasting a VIN of a vehicle by a remote monitoring terminal through Bluetooth; after the vehicle is subjected to Bluetooth authentication, a battery replacement station process state sent by a battery replacement station to the vehicle is received and used for indicating that the vehicle is parked in the slot, and battery replacement preparation judgment is carried out; after it is judged that the vehicle meets the battery replacement preparation condition, a high-voltage lowering instruction and a low-voltage lowering instruction sent by a battery replacement station are received, and automatic vehicle power-off operation is started; and after low voltage lowering is completed, a low voltage lowering completion instruction is sent to the battery swap station, the battery swap station starts automatic battery swap, meanwhile, the remote monitoring terminal obtains the vehicle state and the battery swap result, and corresponding processing is conducted according to the vehicle state and the battery swap result. According to the invention, the reliability in the battery replacement process can be improved.

The invention discloses a method for calculating a clearance distance according to a blade moving track of a wind generating set, which comprises the following steps of: calculating a real-time three-dimensional coordinate of a current blade tip according to blade GPS (Global Positioning System) positioning information given by an existing blade track monitoring system of the wind generating set; building a tower structure model, and completing the building of a coordinate system with the bottom circle center of the tower as the origin; converting the real-time three-dimensional coordinates of the blade tip into three-dimensional coordinates in a coordinate system with the circle center of the bottom of the tower as the origin through a spherical coordinate conversion algorithm; establishing a dynamic equation of a straight line with the shortest distance from the blade tip position to the tower. and integrating the clearance distance and the unit state data to complete data modeling. The current blade clearance distance and the blade clearance distance at the next time enter a main control system of the wind generating set in real time through communication and participate in main control, and once the blade clearance distance is in an alarm mode, main control prevents the blades from sweeping the tower through related strategies such as rotating speed reduction and variable pitch. The safety of the blade tower and even the whole machine is provided.

The invention discloses a battery charge and discharge circuit with a multifunctional protection plate. The battery charge and discharge circuit with the multifunctional protection plate comprises a protection circuit, a charge circuit and a discharge circuit. The protection circuit comprises two switches S2, a main switch S1, a battery, a chip U1, a Q1 and a Q2, wherein the two switches S2, the main switch S1, the battery and the chip U1 are sequentially connected, and the Q1 and the Q2 are connected with the chip U1. The Q1 and the Q2 are MOSDET-Ns, and the two switches S2 are respectively connected with the charge circuit or the discharge circuit. According to the battery charge and discharge circuit with the multifunctional protection plate, the three effects of over-current prevention, over-voltage prevention and over-temperature prevention can be achieved, and it is ensured that the battery or a battery pack is in a safety state all the time in the charge and discharge process.

The invention discloses a caterpillar type walking mechanism of an upper chord examination vehicle. The caterpillar type walking mechanism comprises two pairs of opposite driving caterpillar wheels and driven caterpillar wheels, the same pair of driving caterpillar wheels and driven caterpillar wheels are connected through first connecting rods, the two ends of each first connecting rod are hingedto the corresponding driving caterpillar wheel and the corresponding driven caterpillar wheel respectively, the two first connecting rods are connected through second connecting rods, the two ends ofeach second connecting rod are hinged to the two first connecting rods respectively, the driving caterpillar wheels comprise supporting frames, and two symmetric tension wheels are rotatably connected to the supporting frames and are sleeved with caterpillars. Through the arrangement of guide wheels and clamping mechanisms, an examination vehicle track or any additional facility does not need tobe additionally added on a bridge, instead, the structure of the bridge itself is completely utilized to achieve walking on the bridge, and a large quantity of resources invested in production, manufacturing and installation of the track or the additional facility are saved.

An engine start system (22) for use with a ground engaging vehicle (10), the system (22) including an input device (26), a processing circuit (30), a display (34) and an engine controller unit (36). The input device (26) produces a signal when depressed, the signal initiates the application of electrical power to the engine start system (22). The processing circuit (30) is activated by the application of electrical power thereto. The display (34) is communicatively coupled with the processing circuit (30). The input device (26) produces another signal when depressed. The other signal is detected by the processing circuit (30) and the processing circuit (30), in response to the other signal, sends either a PIN request notice to the display (34) or a start signal to the engine controller unit (36).

The invention relates to a coke oven smoke dust fullytotally-closed centralized collection and treatment apparatus. The coke oven smoke dust fullytotally-closed centralized collection and treatment apparatus comprises a fullytotally-closed smoke dust collection cover and a smoke dust collection pipe network; a coke oven and accessory facilities thereof are completely sealed inside the smoke dust collection cover, and the top of the smoke dust collection cover is provided with a smoke dust collection pipe network, and the smoke dust collection pipe network comprises an oven top coal loading smoke dust collection pipe, a machine side coke pushing smoke dust collection pipe, a coke side coke discharging smoke dust collection pipe and a smoke dust collection main pipe; and the oven top coal loading smoke dust collection pipe, the machine side coke pushing smoke dust collection pipe and the coke side coke discharging smoke dust collection pipe are respectively connected with the smoke dustcollection main pipe, and the smoke dust collection main pipe is connected with an external dust removal system by virtue of a smoke dust conveying pipeline. By adopting the coke oven smoke dust fullytotally-closed centralized collection and treatment apparatus, the centralized collection and treatment for coke oven escaped smoke dust and the paroxysmal smoke dust discharged when in operation canbe realized, a complete safety facility is provided, and the safety operation of the fullytotally-closed coke oven can be ensured.

The invention provides a battery intelligent management system, a battery intelligent management method and a flat panel detector. The battery intelligent management system comprises a battery module,an intelligent monitoring module, a CPU control module and an intelligent adjustment module. The battery module comprises a battery and a battery management chip. The intelligent monitoring module isconnected with the battery management chip. The CPU control module is connected with the intelligent monitoring module and is used for receiving the battery parameter information sent by the intelligent monitoring module, and generating a control signal according to the battery parameter information. The intelligent adjustment module is connected with the CPU control module, and is used for receiving the control information sent by the CPU control module and selecting a battery charging mode according to the control information to charge the battery. The battery management chip is respectively connected with the CPU control module and the intelligent adjustment module, and is used for feeding back the battery parameter information to the CPU control module and the intelligent adjustment module. The battery intelligent management system has the additional functions of battery safety monitoring, self-unlocking, battery intelligent management and the like. The battery charging state canbe detected and adjusted in real time and at the same time. The use safety of the battery is ensured.

The invention provides an electric automatic driving automobile brake energy monitoring device conforming to function safety. The device comprises a main control module and a monitoring module, and ischaracterized in that the main control module comprises a brake control module, a safety deceleration monitoring module and a battery remaining capacity SOC monitoring module; the monitoring module comprises a main monitoring module, a current overcurrent monitoring module and a watchdog module. The requirement for functional safety can be met. Reasonable distribution of mechanical braking and regenerative braking is monitored, and unexpected insufficient braking force is prevented; when the automobile generates braking energy feedback, the residual electric quantity of the power supply battery is monitored, battery overcharge and instantaneous current overlarge are avoided, so that the automobile reaches a safe state in the braking process.

The invention discloses a calibration and calibration method and system for a gas sensor. The calibration and calibration method comprises the following steps: S101, measuring corresponding output quantities of the gas sensor in more than two gas environments with known concentrations; s103, fitting the output quantities of the gas sensor obtained in the step S101 and the known concentration of the corresponding gas environments into a calibration curve to realize calibration of the gas sensor; and S105, calibrating the calibration curve obtained in the step S103 by using a set standard curve, and replacing the output quantity corresponding to the calibration curve with the output quantity corresponding to the standard curve in a gas environment with the same concentration. The gas sensor is calibrated and calibrated at the same time in the preset gas concentration environment, and the factory time of the gas sensor is shortened.

The invention relates to a coke oven escaped smoke dust fullytotally-closed collection and treatment apparatus. The coke oven escaped smoke dust fullytotally-closed collection and treatment apparatuscomprises a fullytotally-closed smoke dust collection cover, a smoke dust conveying pipeline and a dust removal system; the smoke dust collection cover is arranged on the periphery of the a coke oven,and the coke oven and accessory facilities thereof are completely sealed in the smoke dust collection cover; the top of the smoke dust collection cover is provided with a plurality of escaped smoke dust collection openings along the length of the coke oven, one end of the smoke dust conveying pipeline is connected with an escaped smoke dust collection opening, and the other end is connected withthe dust removal system; and the smoke dust collection cover is provided with a plurality of top exhaust openings and side surface air inlets. A coke oven area is provided with the fullytotally-closedsmoke dust collection cover, so that all escaped smoke dust produced in the production of the coke oven can be completely collected and sent to the dust removal system to be treated; and the dust removal effect of the coke oven can be greatly improved, a complete safety facility is provided, and the safety operation of the system after the coke oven is fullytotally closed can be ensured.

The invention provides an arc light protection device and a switchgear. The arc light protection device comprises a control unit, an exit trip unit, arc light units arranged in switchgears to detect arc light signals of the switchgears, and current units arranged in the switchgears to collect current signals. The control unit is connected with the arc light units, the current units and the exit trip unit. The arc light protection device also comprises first indicator lights for displaying fault states of arc light of the switchgears; the first indicator lights are connected with the control unit. The first indicator lights display the arc light faults of the switchgears in real time, it is convenient for operators to know whether the switchgears are in arc light fault state or normal state, and therefore, after knowing the state information of the switchgears, the operators know which switchgears are under arc light fault and which switchgears are normal; it is further possible to check out locations of the switchgears that are under arc light fault, it is convenient for operators to carry out checkout and subsequent analysis, and the arc light safety problem of the switchgears issolved.

The invention relates to the technical field of container safety monitoring and particularly relates to an anti-theft system. The anti-theft system comprises an information collector and a control host. The information collector is arranged in the container and is connected with the control host. The information collector is used for collecting environment data in the container and sending the environment data to the control host. The control host is used for obtaining a monitoring result used for representing whether the container is damaged or not according to the environment data and sending the monitoring result to a server, or the control host is used for sending the environment data to the server such that the server can obtain the monitoring result used for representing whether thecontainer is damaged or not according to the environment data. The anti-theft system provided by the embodiment of the invention can ensure that the container is always in a safe state in a transportation process.

The invention discloses an escalator handrail with an anti-pinch device. The escalator handrail with the anti-pinch device comprises a gap detector fixed into one side of a handrail guide rail, wherein one side of a handrail strap is opposite to the detection end of the gas detector; the signal output end of the gap detector is connected with a handrail controller through a transmission line; andan alarm device is arranged in the handrail controller. Compared with the prior art, according to the escalator handrail with the anti-pinch device provided by the invention, a gap between the handrail strap and the handrail guide rail can be detected in real time; when the gap reaches to a preset reference gap value, the escalator controller sends an alarm to the alarm device so as to remind a maintainer of checking whether the handrail strap is deviated or not; if the gap exceeds the preset reference gap value, an escalator cannot be started normally, and only if the gap between the handrailstrap and the handrail guide rail is adjusted to ensure that the handrail strap is at a safe state, the escalator can be started normally, so that unnecessary personal casualty is avoided.

The invention discloses multi-purpose air regulation and fire refuge equipment for a residential toilet. The multi-purpose air regulation and fire refuge equipment comprises a control box, a control face board, a three-way valve, a smoke filter, a two-way pipeline fan, an air butterfly valve and a plurality of air sensors, wherein the control face board, the three-way valve, the smoke filter, thetwo-way pipeline fan, the air butterfly valve and the plurality of air sensors are electrically connected with the control box correspondingly; an inlet and outlet A of the three-way valve communicates with an outdoor ventilation opening or a ventilation opening leading to other rooms in the toilet through a pipeline, an inlet and outlet B communicates with a public ventilation opening through a pipeline, an inlet and outlet C sequentially communicates with the smoke filter and an air inlet of the two-way pipeline fan through a pipeline, and an air outlet of the two-way pipeline fan faces theground of the toilet; and the two ends of the air butterfly valve communicate with the inlet and outlet C of the three-way valve and the air inlet of the two-way pipeline fan through pipelines correspondingly, and the air butterfly valve is in an open state during exhausting and in a closed state during air inlet. According to the multi-purpose air regulation and fire refuge equipment for the residential toilet, not only can ventilation be carried out on the toilet in a normal bathing state, but also it can be ensured that a room is in a positive pressure state in a fire disaster and smoke isprevented from entering the room.

The invention discloses a battery protection circuit. The battery protection circuit comprises a battery module, a pressure detection module and a battery protection module, wherein the pressure detection module can detect pressure and generate an electric signal according to the pressure; and the battery protection module is electrically connected with the battery module and the pressure detection module, and can control the short circuit of the battery module according to the electric signal. The battery protection circuit provided by the embodiment of the invention can be arranged inside or outside the battery module, so that the applicability of the battery protection circuit is improved, and the safety of the battery module when the battery protection circuit is impacted by external pressure is ensured.

The invention relates to the related technical field of lifting and transporting devices, and discloses a forklift frame capable of improving loading efficiency and transporting safety and stability. The forklift frame capable of improving loading efficiency and transporting safety and stability comprises a carrying frame; a carrying mounting plate is mounted in the carrying frame in a lifting and sliding manner; a mounting frame is detachably and fixedly mounted on the carrying mounting plate; a lifting fork plate is rotatably mounted on the mounting frame; two goods bearing devices are symmetrically and fixedly mounted on the front side end face of the lifting fork plate in a front-back mode; and each goods bearing device comprises a bearing plate. According to the forklift frame capable of improving the loading efficiency and the transporting safety and stability, through the arrangement of a front guide device, in the goods loading process, an inclined guide plate is inserted into the bottom of a goods box; and in the moving process, the bottom of the goods box makes contact with a multi-wheel plate of the inclined guide plate; and therefore, the friction force is converted into a smooth rolling effect.

The invention relates to a coke oven smoke dust fullytotally-closed centralized collection and treatment method. A fullytotally-closed smoke dust collection cover completely seals a coke oven and accessory facilities thereof. The top of the smoke dust collection cover is provided with a smoke dust collection pipe network which comprises an oven top coal loading smoke dust collection pipe, a machine side coke pushing smoke dust collection pipe, a coke side coke discharging smoke dust collection pipe and a smoke dust collection main pipe; the oven top coal loading smoke dust collection pipe is used for collecting smoke dust discharged when in coal loading operation of a carbonization chamber and escaped smoke dust of an oven top area; the machine side coke pushing smoke dust collection pipeis used for collecting smoke discharged when in coke pushing operation of the carbonization chamber as well as escaped smoke dust of a machine side, and the coke side coke discharging smoke dust collection pipe is used for collecting smoke dust discharged when in coke discharging operation of the carbonization chamber and escaped smoke dust of the coke side; and the smoke dust is sent into a dustremoval system to besubjected centralized treatmented. By adopting the coke oven smoke dust fullytotally-closed centralized collection and treatment method, the centralized collection and treatment for coke oven escaped smoke dust and smoke dust discharged when in operation can be realized, a complete safety facility is provided, and the safety operation of the fullytotally-closed coke oven can beensured.