36results about How to "Shorten evacuation time" patented technology

The invention relates to a system (10) for handling workpieces, with a handling device (12) which comprises at least one vacuum gripper (16) for drawing a workpiece in by suction, with at least one vacuum generator (26) that can be operated by the supply of compressed air for supplying the vacuum gripper (16) with vacuum, with at least one controllable control valve (28) by which the supply of compressed air to the vacuum generator (26) can be controlled, wherein the control valve (28) is associated with a control device (30) for the proper control of the control valve (28 as required. The handling device comprises an evaluation unit (32) for evaluating operating data of the vacuum generator (26) and / or for evaluating operating data of the handling device (12) as well as for generating control signals as a function of the evaluated operating data, wherein the evaluation unit (32) is arranged on the handling device (12), and wherein the control device (30) controls the control valve (28) as a function of the control signals transmitted from the evaluation unit (32).

The invention discloses a method for prevention and control of stagnant water under the condition of repeated recovery of layers damaged by small kilns on a thick coal seam. 1. Use the transient electromagnetic method and the high-density direct current method to detect the old empty water-rich anomaly area in front of the roadway; step 4, arrange conventional boreholes at the head of the roadway for drilling verification. ‑Excavation‑exploration cycle operation method to control the old empty water; Step 5, if water gushing occurs in the drilling verification process in Step 4; Step 6, If the amount of water drained by conventional drilling in Step 5 tends to be stable for a long time time processing. The present invention utilizes ground, downhole geophysical prospecting-conventional drilling-directional drilling to prevent and control old empty water, realizes advanced, efficient, safe, accurate, large drop, and long-distance interception and introduction of head-on old empty water, and effectively controls old empty water damage .

The charged particle beam device has an unlimitedly rotatable sample stage and an electric field control electrode for correcting electric field distortion at a sample peripheral part. A voltage is applied to a sample on the unlimitedly rotatable sample stage through a retarding electrode that is in contact with a holder receiver at a rotation center of a rotary stage. An equipotential plane on the electric field control electrode is varied by applying a voltage to the electric field control electrode, and following this the equipotential plane at a sample edge is corrected, which enables the sample to be observed as far as its edge.

The invention discloses a large high-rise building indoor fire urgent evacuation indication escape method and system, and belongs to the field of high-rise building fire safety. The large high-rise building indoor fire urgent evacuation indication escape method comprises the following steps: step 1, a fire source is located; step 2, a dynamic module of fire spread is set up; step 3, according to the dynamic module of fire spread in combination with the structural information of a building, the spatial position of an ignition point and the spatial position of fire-fighting equipment in a large high-rise building are determined, predictions are made over fire spread paths, and evacuation escape routes are planned; step 4, according to the designed escape routes, site equipment is controlled in a selective mode for assisting people in evacuation. According to the large high-rise building indoor fire urgent evacuation indication escape method and system, the fire control escape routes are made based on specific fire behavior, so that evacuation time is shortened; the existing problems that when a fire breaks out, a fire control evacuation escape way is crowded , low in efficiency and disorderly and stampedes easily occur are solved fundamentally; the practical significance of improving the safe evacuation performance of the large high-rise building and reducing the property loss and casualties caused by the fire in the large high-rise building is quite high.

The invention discloses an intersection signal control method based on exit residual capacity constraints. Adopted devices comprise multiple traffic flow detectors, a data transmission subsystem, a data processing and control module and lane signal lamps. Firstly, each traffic flow detector acquires queue information of each exit lane at the intersection in real time; then, the traffic flow detector transmits the acquired queue information to the data processing and control module via the data transmission subsystem; and finally, the data processing and control module carries out logic judgment on the received queue information, when queue overflow is about to happen in certain exit lane through judgment, the data processing and control module adopts strategies such as a shortened green lamp and phase jump to instantly give a control command to the data transmission subsystem to change the color of the lane signal lamp, a vehicle flow driving in the exit lane is interrupted, and thus, smooth running at the intersection is ensured. On one hand, happening of a queue overflow condition at the intersection exit can be eliminated through a signal control technology, and traffic jam at the intersection can be avoided; and on the other hand, the passing ability of the intersection in a congested area is improved, and the traffic jam evacuation time is shortened.

The invention discloses an evacuation route arrangement structure for a combined highway and metro shield tunnel. The structure comprises a lateral evacuation platform and an evacuation route, wherein a first fireproof door is arranged between the lateral evacuation platform and the evacuation route; the evacuation route comprises a walking plane and stairs; the walking plane comprises a low walking plane on the same elevation with the lateral evacuation platform, a high walking plane at the same elevation of an entrance of the stairs and a gentle slope for connecting the low and high walking planes; the stairs are positioned in a stair well, and the stair well consists of a stair well partition wall and a shield tunnel pipe piece; a second fireproof door is arranged on the stair well partition wall between the high walking plane and the stairs; a pressurization fan is arranged another stair well partition wall opposite to the second fireproof door. According to the structure, the width of the evacuation route is greatly increased, the evacuation time is shortened, and the evacuation efficiency is improved; in addition, the evacuation route is prevented from being invaded by fire smoke on a highway layer, so that the evacuation safety is improved.

The invention relates to a simulation method and system for crowd evacuation based on a multi-bee colony algorithm. The method comprises the steps of setting evacuation scene parameter information, creating an evacuation scene model and a character model, and importing the character model into the evacuation scene model, wherein the evacuation scene model serves as the environment space of the crowd evacuation, and the character model serves as an evacuation crowd; extracting semantic information of the evacuation scene model, setting evacuation crowd parameter information under an evacuation scene, and conducting crowd initialization according to the evacuation crowd parameter information; dividing the evacuation crowd into groups, selecting a leading bee out from each group, adopting the multi-bee colony algorithm and adding auxiliary population to plan macroscopic paths, adopting a social force model to guide the movement of microscopic population, obtaining a final crowd evacuation path to conduct the simulation of the crowd evacuation. Through the adoption of the method, the simulation of the crowd evacuation in complex scenes can be really and effectively achieved, the evacuation time is shortened, the utilization rate of exits is increased, and the method can provided help for real evacuation rehearsals.

The invention discloses an ultra-deep sea offshore oil and gas dry production system and its installation and evacuation method. The system includes a mobile oil production platform, dry production equipment, an underwater platform, a rigid riser system, a tension mooring system and an underwater wellhead system. The rigid riser system includes a lower rigid riser system and an upper rigid riser system. In the present invention, the ultra-deep sea production platform is designed as a mobile oil production platform and an underwater platform. Since the underwater platform bears the weight of the lower rigid riser system, the requirement of heavy production risers on the mobile oil production platform is reduced. The mobile oil production platform in the present invention realizes the expanded application of the shallow sea mobile oil production platform in the ultra-deep sea. Compared with the current ultra-deep sea oil production platform, the structure is simple and the construction cost is reduced. The mobile oil production platform in the present invention is installed on the underwater platform, so the complex mooring positioning system required by the current ultra-deep sea oil production platform is avoided.

The invention discloses an in-building emergency evacuation indicator lamp capable of conducting differentiated guidance. The in-building emergency evacuation indicator lamp aims to provide non-interfering differentiated evacuation path guidance for to-be-evacuated people in a building. The in-building emergency evacuation indicator lamp is provided with a pixel lamp base composed of a flat plateand grid bars; the grid bars are vertically mounted on the front face of the flat plate mutually parallelly at equal intervals; the grid bars can extend out to stand on the front face of the flat plate and can also retract into to be hidden in the front face of the flat plate; and pixel lamps are mounted the left face and the right face of each grid bar in column and also mounted on the front faceof the flat plate in column. When the indicator lamp displays guidance signals, people located at front left part and the front right part of the indicator lamp can only see the guidance signal displayed by the pixel lamps on the left faces and the right faces of all the grid bars in a combined mode, people in front of the indicator lamp can only see the guidance signal displayed by the pixel lamps on the front face of the flat plate in a combined mode. The indicator lamp can display the signals in a pulse mode in the divided time periods on the left faces of the grid bars, the front face ofthe flat plat and the right faces of the grid bars so as to guide people at the front left part, in front and the front right part; and thus the non-interfering differentiated guidance signals are provided for people at different positions.

The invention discloses a horizontal-height-adjusting evacuating escalator and relates to the field of evacuating escalators. The evacuating escalator comprises a stand column guiding mechanism, a connecting rod mechanism, a driving mechanism and side supports. A movable pedal is arranged between the side supports. The stand column guiding mechanism comprises a lifting chain and a stand column. A guiding groove is formed in the stand column. The stand column is connected with the side supports. The connecting rod mechanism comprises a connecting rod plate, a chain fixing plate and a guiding shaft. The connecting rod plate is movably connected to one side of the stand column. The lifting chain is movably connected to the other side of the stand column. The chain fixing plate is connected to the middle portion of the lifting chain. The two ends of the guiding shaft penetrate through the connecting rod plate and the guiding groove respectively and then are connected with the chain fixing plate. The movable pedal is movably connected with the side supports. A pedal connecting rod is arranged on one side of each support. The movable pedal is connected with the pedal connecting rods which are connected with the connecting rod plate. The horizontal-height-adjusting evacuating escalator is convenient to use, resources can be saved, practicability is high, the safety of evacuating can be increased, labor intensity can be lowered, and the reliability of the escalator can be guaranteed.

The invention relates to an evacuation planning method and evacuation planning system oriented to disaster emergency. By establishing a virtual force field, the complex large-scale evacuation problem is described by a force field function, and the evacuation of personnel is determined by the negative gradient direction of the force field function. It solves the problem that it is difficult to model the complex disaster environment, makes the problem description simple, and improves the calculation efficiency of the algorithm; it can also take into account the factors that affect emergency evacuation planning, such as the location of people to be evacuated, the distribution and capacity of shelters, etc. Internally, timely evacuation guidance is provided for the people to be evacuated, and in the process of solving the algorithm, the real-time remaining capacity parameters of the emergency refuge are used as the gravity coefficient, so that the capacity of the refuge reaches a balanced state during the entire evacuation process, saving a lot of evacuation. Over time, with the increase in the number of evacuated people, the advantages of the algorithm become more and more obvious.

The invention discloses a quick evacuation device for civil air defense, which includes a hanger and a connecting plate, the connecting plate is connected to the lower side of the hanger through a rotating shaft, a rope buckle is fixed in the middle of the front end of the connecting plate, and a rope buckle is inside the rope buckle. There is a safety belt passing through, and the lower part of the front end of the connecting plate is fixed with the second rope buckle, and the connecting plate is connected with the first elastic belt and the second elastic belt through the second rope buckle, and the elastic cloth is fixed at the lower end of the first elastic belt and the second elastic belt. A seat plate is bonded and fixed on the elastic cloth, a fixed seat is fixed on the left side of the connecting plate, the inner left part of the fixed seat is rotatably connected to a turntable through a rotating shaft, and a connecting rod is rotatably connected to the turntable. The present invention makes it easy to hang the equipment on the stairs through the hanger and the arc-shaped chute, through the elastic cloth and the seat board, it is convenient for people to ride, and through the elastic strip, the male buckle and the female buckle, it is convenient for the elastic belt to be fastened. At the same time, the safety belt is wrapped around the armpit of the person, ensuring the safety of the person when riding, and avoiding the person falling during the sliding process, so the safety is good.