CN112669573B - Rain flood monitoring and early warning facility and method for urban subway station port - Google Patents
Rain flood monitoring and early warning facility and method for urban subway station port Download PDFInfo
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- CN112669573B CN112669573B CN202110054954.0A CN202110054954A CN112669573B CN 112669573 B CN112669573 B CN 112669573B CN 202110054954 A CN202110054954 A CN 202110054954A CN 112669573 B CN112669573 B CN 112669573B
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Abstract
The invention discloses a rain flood monitoring and early warning facility and a method for an urban subway station entrance, wherein the rain flood monitoring and early warning facility is arranged at the entrance of a subway station, and comprises the following components: the system comprises a ponding water level monitoring ditch, a lifting water retaining stair and an intelligent early warning control system; wherein, ponding water level monitoring ditch has been seted up to the vertical below in the ground of subway station exit, the top of ponding water level monitoring ditch is provided with the pick-up plate, the lower tip of pick-up plate stretches into in the ponding water level monitoring ditch, be provided with a plurality of early warning detection point positions along vertical direction interval on the pick-up plate, a plurality of early warning state detectors have correspondingly been arranged on a plurality of early warning detection point positions, ponding water level monitoring ditch next door inboard position is equipped with lift manger plate stair, lift manger plate stair include multistage lift step, when the lift step does not rise, the upper surface and the ground parallel and level of lift step. The invention not only can play the roles of retaining water and blocking water in waterlogging period, but also has the functions of monitoring and early warning rainfall flood and evacuating personnel.
Description
Technical Field
The invention relates to the technical field of automatic flood control and interception facilities, in particular to a rainfall flood monitoring and early warning facility and method for an urban subway station entrance.
Background
The subway is a form of railway transportation, and refers to an urban rail transit system mainly operated in urban underground space, along with the continuous acceleration of the urbanization process, the urban rainstorm waterlogging disasters are frequent, the risk that the underground space in the 'congenital weak' is submerged is higher, and very large influence can be caused. In order to improve the timeliness of urban rainfall flood monitoring and early warning and reduce the damage risk of rainstorm disasters to underground spaces, the research aiming at the flood control and waterlogging prevention automatic early warning emergency treatment technology is not slow.
During heavy rain weather, the phenomenon that the rainwater flows backward very easily takes place for the subway mouth, in order to prolong processing time, all can use sand bag earlier usually, products such as sand bag carry out interim waterproof, however these traditional manger plate instruments, not only the transport is troublesome, transport intensity of labour is big, and can't carry out the reutilization, use cost is higher, although some water retaining device have appeared now, but most simple structure, area occupied is big not only, the steadiness is poor, most water retaining device does not possess automatic early warning emergency treatment function, can not adjust the manger plate height according to the rainfall and influence personnel current, resource utilization is low, and the practicality is relatively poor. In addition, at the present stage, a perfect automatic accumulated water monitoring and early warning system is not established at the entrance and exit of each urban subway station. Because of this, in the rainy season of each year, the conditions of waterlogging and platform flooding occur frequently in many urban subway stations, and even property loss or casualty accidents are caused. In conclusion, the establishment of complete intelligent anti-waterlogging emergency treatment facilities for subway stations is urgent.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a rainfall flood monitoring and early warning facility and method for an urban subway station port, so as to solve the problems in the background technology.
In order to achieve the above object, the present invention provides a rain flood monitoring and early warning facility for an urban subway station entrance, the rain flood monitoring and early warning facility being arranged at the entrance of the subway station, the rain flood monitoring and early warning facility comprising: the system comprises a ponding water level monitoring ditch, a lifting water retaining stair and an intelligent early warning control system; the subway station detection device comprises a subway station entrance and exit, a detection plate, a plurality of early warning detection points, a plurality of early warning state detectors, a plurality of lifting water retaining stairs and a plurality of lifting steps, wherein a ponding water level monitoring ditch is vertically formed in the ground at the entrance of the subway station downward, the detection plate is arranged above the ponding water level monitoring ditch, the lower end part of the detection plate extends into the ponding water level monitoring ditch, the detection plate is provided with a plurality of early warning detection points at intervals in the vertical direction, the early warning detection points are correspondingly provided with the early warning state detectors, the inner side position beside the ponding water level monitoring ditch is provided with the lifting water retaining stairs, the lifting water retaining stairs comprise the multi-stage lifting steps, and when the lifting steps are not lifted, the upper surfaces of the lifting steps are flush with the ground; and wherein, intelligent early warning control system is used for judging the early warning state and opening corresponding early warning mode according to the early warning state based on the trigger signal of a plurality of early warning state detectors to control the lift of multistage lift step.
In a preferred embodiment, the detection board is provided with three early warning detection points and a common zero point along the vertical direction, the three early warning detection points are sequentially provided with a primary early warning state detector, a secondary early warning state detector and a tertiary early warning state detector from top to bottom, and the common zero point is provided with a common zero terminal of the three early warning state detectors, wherein the primary early warning state detector, the secondary early warning state detector and the tertiary early warning state detector are respectively in signal connection with a central controller of an intelligent early warning control system, the output end of the central controller is connected with the input end of a grading early warning display, and the output end of the grading early warning display is respectively connected with a subway station GIS monitoring platform and an escalator electric switch.
In a preferred embodiment, the first-level early warning state detector and the second-level early warning state detector are located above the ground, and the third-level early warning state detector is located in the accumulated water level monitoring trench, wherein when the third-level early warning state detector is triggered, the trigger signal is sent to the GIS monitoring platform of the subway station, and the third-level early warning mode is started, when the second-level early warning state detector is triggered, the trigger signal is sent to the GIS monitoring platform of the subway station, and the second-level early warning mode is started, and when the first-level early warning state detector is triggered, the trigger signal is sent to the GIS monitoring platform of the subway station, and the first-level early warning mode is started.
In a preferred embodiment, the multistage lifting steps are arranged on the inner side of the accumulated water level monitoring trench in parallel, the width of each multistage lifting step is consistent with the width of an entrance and an exit of a subway station, a lifting mechanism is arranged at the bottom of each stage of step, and an electric appliance control part of each lifting mechanism is connected with a lifting stair electric switch of the intelligent early warning control system.
In a preferred embodiment, the lifting mechanism comprises a pneumatic/hydraulic cylinder, the pneumatic/hydraulic cylinder is arranged on the main body frame of the lifting water-retaining stair, a pneumatic/hydraulic piston is arranged in the pneumatic/hydraulic cylinder, the extending end of the pneumatic/hydraulic piston is fixedly connected with the bottom of the lifting step, the bottom of one side of the pneumatic/hydraulic cylinder is connected with a pneumatic/hydraulic guide pipe, the other end of the pneumatic/hydraulic guide pipe is connected with a three-way electromagnetic pneumatic/hydraulic valve, the electromagnetic control part of the three-way electromagnetic pneumatic/hydraulic valve is connected with an electric appliance control part, one end of the three-way electromagnetic pneumatic/hydraulic valve is connected with a high-pressure compressed air/liquid tank, the high-pressure compressed air/liquid tank is connected with the output end of a compressor, the input end of the compressor is connected with a low-pressure air/liquid tank, and the low-pressure air/liquid tank is connected with the other end of the three-way electromagnetic pneumatic/liquid valve.
In a preferred embodiment, the lifting water retaining stair is sequentially provided with a first-stage lifting step to a sixth-stage lifting step from the outer side to the inner side, and when a three-stage early warning mode is started, the first-stage lifting step and the second-stage lifting step are synchronously lifted to a first height; when the second-stage early warning mode is started, the first-stage to fourth-stage lifting steps are lifted, and the second-stage and third-stage lifting steps reach a second height; when the first-stage early warning mode is started, the first-stage lifting steps to the sixth-stage lifting steps are lifted, and the third-stage lifting steps and the fourth-stage lifting steps reach a third height; the third height is higher than the second height, the second height is higher than the first height, the first height is determined by calculation according to the maximum precipitation amount within 10 years of the local area plus 20% of protection height, the second height is determined by calculation according to the maximum precipitation amount within 50 years of the local area plus 20% of protection height, the third height is determined by calculation according to the maximum precipitation amount within 100 years of the local area plus 20% of protection height, the third-level early warning state detector is arranged at a position 20cm below the ground, the height of the second-level early warning state detector from the ground is consistent with the first height, and the height of the first-level early warning state detector from the ground is consistent with the second height.
In a preferred embodiment, the detection plates are symmetrically arranged on two sides of an entrance and an exit of a subway station and fixed on a wall body, the lifting steps are made of steel materials, waterproof paint is coated on the surfaces of the lifting steps, and anti-skidding strips are embedded on the upper surfaces of the lifting steps and arranged along the length direction of the lifting steps.
The invention also provides a rainfall flood monitoring and early warning method for the urban subway station port, which comprises the following steps: arranging the rain flood monitoring and early warning facility at the entrance and exit of the subway station; when the early warning state detector is triggered, a trigger signal of the early warning state detector is sent to the central controller; the central controller judges the early warning state based on the trigger signal of the corresponding early warning state detector and sends an early warning instruction to the grading early warning display; the grading early warning display sends early warning instructions to a GIS monitoring platform of the subway station and an electric switch of the escalator respectively, and starts a corresponding early warning mode; and correspondingly, the electric switch of the escalator controls the lifting mechanism at the bottom of the corresponding lifting step to lift when the early warning instruction is received.
In a preferred embodiment, the method for arranging the rain flood monitoring and early warning facilities at the entrance and exit of the subway station comprises the following steps: a ponding water level monitoring ditch is arranged at the entrance and exit of the subway station; arranging a detection plate above the ponding water level monitoring ditch, extending the lower end of the detection plate into the ponding water level monitoring ditch, and arranging three early warning detection point positions and a common zero point on the detection plate at intervals along the vertical direction; a primary early warning state detector, a secondary early warning state detector and a tertiary early warning state detector are respectively arranged on the three early warning detection points from top to bottom; arranging a lifting water retaining stair on the inner side of the accumulated water level monitoring ditch, wherein the lifting water retaining stair comprises six-stage lifting steps; a lifting mechanism is arranged at the bottom of each lifting step; the input end of a central controller of the intelligent early warning control system is in signal connection with an early warning state detector, the output end of the central controller is in signal connection with the input end of a grading early warning display, and the output end of the grading early warning display is in signal connection with a subway station GIS monitoring platform and an electric switch of a stair; the electric switch of the escalator is connected with the electric control part of the lifting mechanism by signals.
In a preferred embodiment, the method comprises the following steps: when no accumulated water exists in the accumulated water level monitoring ditch or the accumulated water amount is lower than the arrangement point position of the detector in the three-stage early warning state, the electric switch of the escalator is not started, and the upper surface of the elevating step is flush with the ground; when the accumulated water amount in the accumulated water level monitoring ditch is higher than the arrangement point position of the three-level early warning state detector, the three-level early warning state detector is triggered, the triggering information of the three-level early warning state detector is sent to the central controller, the central controller judges that the three-level early warning state exists, the three-level early warning instruction is sent to the grading early warning display, the grading early warning display sends the three-level early warning instruction to the GIS monitoring platform of the subway station and the electric switch of the lifting stair respectively, the three-level early warning mode is started, and the electric switch of the lifting stair controls the first-level lifting step and the second-level lifting step to be lifted to the first height synchronously and evacuate personnel; when the water level of the accumulated water is higher than the arrangement point position of the second-stage early warning state detector, triggering the second-stage early warning state detector, sending triggering information of the second-stage early warning state detector to the central controller, judging the second-stage early warning state by the central controller, sending a second-stage early warning instruction to the GIS monitoring platform of the subway station and the grading early warning display, respectively sending the second-stage early warning instruction to the electric switch of the escalator by the grading early warning display, starting a second-stage early warning mode, controlling the first-stage to fourth-stage elevating steps to ascend by the electric switch of the escalator, enabling the second-stage and third-stage elevating steps to reach a second height, and evacuating people; when the water level of the accumulated water is higher than the arrangement point of the first-level early warning state detectors, the first-level early warning state detectors are triggered, trigger information of the first-level early warning state detectors is sent to the central controller, the central controller judges that the accumulated water is in a first-level early warning state, and sends first-level early warning instructions to the grading early warning display, the grading early warning display sends the first-level early warning instructions to the GIS monitoring platform of the subway station and the electric switch of the ascending and descending stairs respectively, a first-level early warning mode is started, the electric switch of the ascending and descending stairs controls the ascending and descending steps from the first level to the sixth level to reach the third height, and personnel are evacuated; when the water level is withdrawn, the electric switch of the stair is closed, and the lifting steps are lowered to the initial height.
Compared with the prior art, the rainfall flood monitoring and early warning facility and method for the urban subway station mouths have the beneficial effects that:
1. according to the invention, the lifting water retaining stairs are arranged at the subway station port, so that intelligent early warning can be performed according to accumulated water level monitoring when rainstorm and waterlogging occur, the early warning state is judged through the trigger signal of the early warning state detector, and the corresponding early warning mode is started according to the early warning state to control the lifting of the multi-stage lifting steps, so that corresponding early warning measures are taken according to different early warning levels, and the rainfall flood anti-blocking work can be rapidly performed without consuming unnecessary manpower and material resources.
2. The lifting water retaining stair changes the single plugging mode of the traditional water retaining device, can form a passing stair after being lifted, does not influence evacuation and passing of people, and greatly improves the practicability.
3. The lifting water retaining stair can be lowered to be level with the ground when not used, personnel passing in ordinary periods is not influenced, the anti-slip belt is arranged on the step surface, the passing safety of personnel in any period can be guaranteed, the device can be automatically opened in time in emergency, accumulated water can be automatically recovered after being removed, the process of manual carrying and operation is omitted, and the lifting water retaining stair is more convenient and intelligent to use.
4. The intelligent early warning control system can be connected with a subway GIS monitoring platform, achieves early warning in time, and can acquire emergency processing time for workers to make personnel evacuation and flood control plans.
Drawings
Fig. 1 is a floor plan view of a rainfall flood monitoring and early warning facility (intelligent early warning control system not shown) according to a preferred embodiment of the present invention.
Fig. 2 is an elevation sectional view of a rainfall flood monitoring and early warning facility in a non-early warning state according to a preferred embodiment of the present invention.
Fig. 3 is an elevation sectional view of a rain flood monitoring and early warning facility in a three-stage early warning mode according to a preferred embodiment of the present invention.
Fig. 4 is an elevation sectional view of a rain flood monitoring and early warning facility in a secondary early warning mode according to a preferred embodiment of the present invention.
Fig. 5 is an elevation sectional view of a rain flood monitoring and warning facility in a primary warning mode according to a preferred embodiment of the present invention.
Fig. 6 is a schematic diagram of the arrangement of the early warning detector and the zero-sharing terminal on the detection board according to the preferred embodiment of the invention.
Fig. 7 is a block diagram of an intelligent warning control system according to a preferred embodiment of the present invention.
Fig. 8 is a schematic circuit diagram of the elevator mechanism according to the preferred embodiment of the present invention.
Fig. 9 is a flow chart of a method for monitoring and warning rain flood according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Example 1:
as shown in fig. 1 to 8, a rain flood monitoring and early warning facility for an urban subway station entrance according to a preferred embodiment of the present invention is disposed at a subway station entrance 5, and includes: ponding water level monitoring ditch 1, lift manger plate stair 3 and intelligent early warning control system 2. Wherein, the ground 4 at subway station access & exit 1 department has seted up ponding water level monitoring ditch 1 vertically downwards for when having waterlogging ponding, monitor the early warning to the water level. A detection plate 6 is arranged above the ponding water level monitoring ditch 1, the lower end part of the detection plate 6 extends into the ponding water level monitoring ditch 1, a plurality of early warning detection points are arranged on the detection plate 6 at intervals along the vertical direction, and a plurality of early warning state detectors are correspondingly arranged on the early warning detection points. The inner side position of the side of the ponding water level monitoring ditch 1 is provided with a lifting water retaining stair 3, the lifting water retaining stair 3 comprises a plurality of lifting steps, and when the lifting steps are not lifted, the upper surface of each lifting step is flush with the ground 4 and is tightly connected to ensure that personnel normally pass. The intelligent early warning control system 2 is used for judging the early warning state based on the trigger signals of the early warning state detectors and opening a corresponding early warning mode according to the early warning state so as to control the lifting of the lifting water retaining stair 3.
Specifically, in the above scheme, the intelligent early warning control system 2 adopts a direct current 12V (harmless to human body) weak current as a system power supply, and the intelligent early warning control system 2 includes a plurality of early warning state detectors, a central controller 21, a grading early warning display 22 and a stair-up electric switch 24. As shown in fig. 6-7, the detection plate 6 is provided with three early warning detection points and a common zero point along the vertical direction, the three early warning detection points are sequentially provided with a first-stage early warning state detector 61, a second-stage early warning state detector 62 and a third-stage early warning state detector 63 from top to bottom, and the common zero point is provided with common zero terminals 64 of the three early warning state detectors. Wherein, the first-level early warning state detector 61, the second-level early warning state detector 62 and the third-level early warning state detector 63 are respectively connected with the central controller 21 of the intelligent early warning control system by signals, the output end of the central controller 21 is connected with the input end of the grading early warning display 22, and the output end of the grading early warning display 22 is respectively connected with the subway station GIS monitoring platform 23 and the escalator electric switch 24.
Further, the first-stage early warning state detector 61 and the second-stage early warning state detector 62 are located above the ground, and the third-stage early warning state detector 63 is located in the accumulated water level monitoring ditch 1. When the third-level early warning state detector 63 is triggered, a trigger signal is sent to the subway station GIS monitoring platform 23, and the third-level early warning mode is started, when the second-level early warning state detector 62 is triggered, the trigger signal is sent to the subway station GIS monitoring platform 23, and the second-level early warning mode is started, and when the first-level early warning state detector 61 is triggered, the trigger signal is sent to the subway station GIS monitoring platform 23, and the first-level early warning mode is started.
Further, as shown in fig. 1, the multi-stage lifting steps of the lifting water-retaining stair 3 are arranged on the inner side of the accumulated water level monitoring ditch in parallel, the width of the multi-stage lifting steps is consistent with that of the subway station entrance and exit 5, a lifting mechanism is arranged at the bottom of each stage of steps, and an electric appliance control part of the lifting mechanism is connected with a lifting stair electric switch of an intelligent early warning control system, so that the lifting of the multi-stage lifting steps is controlled through the lifting stair electric switch. In the embodiment, the lifting water-retaining stair 3 is provided with first-stage to sixth-stage lifting steps in sequence from the outer side to the inner side. When the three-stage early warning mode is started, the first-stage lifting step 31 and the second-stage lifting step 32 are lifted to the first height h1 synchronously; when the second-stage early warning mode is started, the first-stage lifting step 31, the second-stage lifting step 32, the third-stage lifting step 33 and the fourth-stage lifting step 34 are lifted, the lifting heights of the second-stage lifting step 32 and the third-stage lifting step 33 are the same and reach a second height h2, and at the moment, the lifting heights of the first-stage lifting step 31 and the fourth-stage lifting step 34 are the same and are lower than the second height h 2; when the first-stage early warning mode is started, the first-stage lifting step 31, the second-stage lifting step 32, the third-stage lifting step 33, the fourth-stage lifting step 34, the fifth-stage lifting step 35 and the sixth-stage lifting step 36 are lifted, the lifting heights of the third-stage lifting step 33 and the fourth-stage lifting step 34 are the same, and reach a third height h3, at the moment, the lifting heights of the second-stage lifting step 32 and the fifth-stage lifting step 35 are the same and are lower than the third height h3, and the lifting heights of the first-stage lifting step 31 and the sixth-stage lifting step 36 are the same and are respectively lower than the lifting heights of the second-stage lifting step 32 and the fifth-stage lifting step 35. Wherein the third height h3 is higher than the second height h2, and the second height h2 is higher than the first height h 1.
In a preferred embodiment, the first height h1 is calculated based on the maximum precipitation plus 20% protection within 10 years of the locality, the second height h2 is calculated based on the maximum precipitation plus 20% protection within 50 years of the locality, and the third height h3 is calculated based on the maximum precipitation plus 20% protection within 100 years of the locality.
In a preferred embodiment, the three-level early warning state detector 63 is arranged 20cm below the ground, the height of the two-level early warning state detector 62 from the ground is consistent with the first height h1, and the height of the one-level early warning state detector 61 from the ground is consistent with the second height h 2.
Example 2:
in another preferred embodiment, as shown in fig. 8, the bottom of each lifting step 70 of the lifting water-retaining stair is provided with a lifting mechanism capable of lifting the lifting water-retaining stair, the lifting mechanism comprises a gas/hydraulic cylinder 71, the gas/hydraulic cylinder 71 is arranged on the main body frame of the lifting water-retaining stair, a gas/hydraulic piston 72 is arranged in the gas/hydraulic cylinder 71, the extending end of the gas/hydraulic piston 72 is fixedly connected with the bottom of the lifting step, the bottom of one side of the gas/hydraulic cylinder 71 is connected with a gas/hydraulic conduit 73, the other end of the gas/hydraulic conduit 73 is connected with a three-way electromagnetic gas/liquid valve 74, the electromagnetic control part of the three-way electromagnetic gas/liquid valve 74 is connected with an electrical control part 78, one end of the three-way electromagnetic gas/liquid valve 74 is connected with a high-pressure compressed gas/liquid tank 75, the high-pressure compressed gas/liquid tank 75 is connected with the output end of a compressor 76, the input of the compressor 76 is connected to a low pressure gas/liquid tank 77, and the low pressure gas/liquid tank 77 is connected to the other end of the three-way electromagnetic gas/liquid valve 74. The solenoid control section is connected to the appliance control section 78 and to the stair motor switch 24.
Furthermore, the detection plates are symmetrically arranged on two sides of the subway station entrance and exit and are fixed on the wall. The lifting step is made of steel, waterproof paint is coated on the surface of the lifting step, the anti-slip strips 79 are further embedded on the upper surface of the lifting step 70, and the anti-slip strips 79 are arranged along the length direction of the lifting step. The anti-slip strip can increase the friction force between the sole and the upper surface of the step pedal, so that the person is not easy to slip when climbing the step pedal, and the safety of the equipment is improved. The intelligent early warning control system adopts direct current 12V (harmless to human body) weak current as a system power supply, the third-level early warning state detector is arranged 20cm below the ground, the height of the second-level early warning state detector from the ground is consistent with the first height h1, and the height of the first-level early warning state detector from the ground is consistent with the second height.
In addition, the invention also adopts an electric appliance sealing joint (cover plate), and adopts sealing rubber strips to seal the hydraulic device.
Example 3:
as shown in fig. 9, the invention also provides a rainfall flood monitoring and early warning method for urban subway station mouths, which comprises the following steps: step 901: arranging a rainfall flood monitoring and early warning facility at an entrance and an exit of a subway station, wherein the rainfall flood monitoring and early warning facility comprises a ponding water level monitoring ditch, a lifting water retaining stair and an intelligent early warning control system, and the intelligent early warning control system comprises a plurality of early warning state detectors, a central controller, a grading early warning display and a lifting stair electric switch; step 902: when one or more early warning state detectors are triggered, triggering signals of the corresponding early warning state detectors are sent to the central controller; step 903: the central controller judges the early warning state based on the trigger signal of the corresponding early warning state detector and sends an early warning instruction to the grading early warning display; step 904: the grading early warning display sends early warning instructions to a GIS monitoring platform of the subway station and an electric switch of the escalator respectively, and starts a corresponding early warning mode; step 905: and correspondingly, the electric switch of the escalator controls the lifting mechanism at the bottom of the corresponding lifting step to lift when the early warning instruction is received.
Example 4:
in a preferred embodiment, as shown in fig. 1 to 7, the step of arranging a rain flood monitoring and early warning facility at the entrance and exit of the subway station comprises the following steps: a ponding water level monitoring ditch 1 is arranged at the entrance and exit of the subway station; arranging a detection plate 6 above the ponding water level monitoring ditch 1, extending the lower end of the detection plate 6 into the ponding water level monitoring ditch 1, and arranging three early warning detection points and a common zero point on the detection plate 6 at intervals along the vertical direction; a primary early warning state detector 61, a secondary early warning state detector 62 and a tertiary early warning state detector 63 are respectively arranged on the three early warning detection points from top to bottom; a lifting water retaining stair 3 is arranged on the inner side of the accumulated water level monitoring ditch 1, wherein the lifting water retaining stair 3 comprises six-stage lifting steps; a lifting mechanism is arranged at the bottom of each lifting step; the input end of a central controller 21 of an intelligent early warning control system 2 is in signal connection with three early warning state detectors, the output end of the central controller 21 is in signal connection with the input end of a grading early warning display 22, and the output end of the grading early warning display 22 is in signal connection with a subway station GIS monitoring platform 23 and a stair lifting electric switch 24 respectively; the escalator power switch 24 is in signal connection with the electrical control part of the elevator mechanism.
Specifically, the rainfall flood monitoring and early warning method comprises the following steps:
when no ponding or the ponding is less than the tertiary early warning state detector and arranges the position in ponding water level monitoring ditch 1, as shown in fig. 2, one-level, second grade, tertiary early warning state detector can't form the return circuit with totally zero terminal, and the system judges that the water level is below tertiary water level, and is normal state, and the escalator electric switch does not open, and the upper surface and the 4 parallel and level on ground of elevating manger plate stair 3 to closely link up, guarantee personnel normal passage.
When the accumulated water amount in the accumulated water level monitoring ditch is higher than the arrangement point of the three-level early warning state detector 63, as shown in fig. 3 and 6-7, the three-level early warning state detector 63 and the zero-sharing terminal 64 form a loop, the three-level early warning state detector 63 triggers and sends triggering information of the three-level early warning state detector to the central controller 21, the central controller 21 judges that the three-level early warning state is the three-level early warning state and sends a three-level early warning instruction to the grading early warning display 22, the grading early warning display 22 sends the three-level early warning instruction to the subway station GIS monitoring platform 23 and the stair lifting electric switch 24 respectively, the three-level early warning mode is started, the stair lifting electric switch 24 controls the first-level lifting step 31 and the second-level lifting step 32 to be lifted to the first height h1 synchronously (the first height h1 is determined according to the maximum precipitation amount within 10 years of the local plus 20% of protection height), guarantee that ponding height is no longer than the rise height of first order lift step 31 and second level lift step 32 to play the manger plate effect, simultaneously, personnel can trample the lift step and evacuate, and the antiskid of step surface setting is taken and can is played anti-skidding effect, guarantees current safety. When the water level is withdrawn, the electric switch of the stair is controlled to close and the lifting steps are lowered to the initial height.
When the accumulated water level is higher than the point position of the second-stage early warning state detector 62, as shown in fig. 4 and 6-7, the third-stage early warning state detector 63, the second-stage early warning state detector 62 and the zero-sharing terminal 64 form a loop, the third-stage early warning state detector 63 and the second-stage early warning state detector 62 are triggered and send triggering information of the second-stage early warning state detector to the central controller 21, the central controller 21 judges that the accumulated water level is in the second-stage early warning state and sends a second-stage early warning instruction to the grading early warning display 22, the grading early warning display 22 sends the second-stage early warning instruction to the subway station GIS monitoring platform 23 and the escalator electric switch 24 respectively, the second-stage early warning mode is started, the escalator electric switch 24 controls the first-stage lifting step 31, the second-stage lifting step 32, the third-stage lifting step 33 and the fourth-stage lifting step 34 to be lifted, the lifting steps 32 and 33 are the same in height, and the second height h2 is reached (the second height h2 can be determined by calculation according to the maximum precipitation in 50 years and the 20 percent protection height), at the moment, the rising heights of the first-stage lifting step 31 and the fourth-stage lifting step 34 are the same and are lower than the second height h2, meanwhile, people can step on the lifting steps to evacuate, and after the water level is lowered, the device controls the electric switch of the lifting stair to be closed, and the lifting steps are lowered to the initial height.
When the accumulated water level is higher than the point location of the first-stage early warning state detector 61, as shown in fig. 5-7, the first-stage early warning state detector 61, the second-stage early warning state detector 62, the third-stage early warning state detector 63 and the zero-sharing terminal 64 form a loop, the first-stage early warning state detector 61, the second-stage early warning state detector 62 and the third-stage early warning state detector 63 are triggered, the trigger information of the first-stage early warning state detector is sent to the central controller 21, the central controller 21 judges that the first-stage early warning state is the first-stage early warning state, and sends the first-stage early warning instruction to the grading early warning display 22, the grading early warning display 22 sends the first-stage early warning instruction to the subway station GIS monitoring platform 23 and the escalator electric switch 24 respectively, the first-stage early warning mode is started, the escalator electric switch 24 controls the first-stage lifting step 31, the second-stage lifting step 32, the third-stage lifting step 33, The fourth-stage lifting step 34, the fifth-stage lifting step 35 and the sixth-stage lifting step 36 are all lifted, the lifting heights of the third-stage lifting step 33 and the fourth-stage lifting step 34 are the same and reach a third height h3 (the third height h3 can be determined by calculation according to the maximum precipitation amount in 100 years and the protection height of 20%), at the moment, the lifting heights of the second-stage lifting step 32 and the fifth-stage lifting step 35 are the same and are lower than the third height h3, and the lifting heights of the first-stage lifting step 31 and the sixth-stage lifting step 36 are the same and are respectively lower than the lifting heights of the second-stage lifting step 32 and the fifth-stage lifting step 35. Meanwhile, personnel can tread on the lifting steps to evacuate, when the water level is withdrawn, the device controls the electric switch of the lifting stairs to be closed, and the lifting steps are descended to the initial height.
The rainfall flood monitoring and early warning facility and method for the urban subway station port adopt the accumulated water level monitoring and early warning control system to jointly control the lifting water retaining stairs, not only can achieve the purposes of retaining water and blocking water in the waterlogging period, but also have the functions of accident early warning and personnel evacuation. The method can carry out automatic monitoring and quick early warning treatment in the waterlogging period, greatly improves the timeliness and effectiveness of emergency management and control of the subway station, reduces accident risk and loss, and ensures that the subway can normally run without being influenced by the waterlogging. In addition, the invention can also be provided with rainwater recycling equipment, and the rainwater collecting and recycling functions are added. Before the rainstorm early warning begins, start the rainwater and collect the function, carry out the initial stage to the rainwater and filter and retrieve, treat after the rainfall, be used for the peripheral afforestation of subway entrance to water and spill, can realize that special district rainfall flood early warning monitoring in city combines together with water resource recycle.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a rain flood monitoring and early warning facility for city subway station mouth, this rain flood monitoring and early warning facility sets up in subway station entrance and exit department, its characterized in that: rain flood monitoring and early warning facility includes: the system comprises a ponding water level monitoring ditch, a lifting water retaining stair and an intelligent early warning control system;
the subway station water level monitoring system comprises a subway station entrance and exit, a detection plate, a plurality of early warning detection points, a plurality of early warning state detectors, a lifting water retaining stair and a plurality of lifting water retaining steps, wherein the accumulated water level monitoring groove is formed in the ground at the entrance of the subway station vertically downward, the detection plate is arranged above the accumulated water level monitoring groove, the lower end of the detection plate extends into the accumulated water level monitoring groove, the detection plate is provided with the plurality of early warning detection points at intervals along the vertical direction, the early warning detection points are correspondingly provided with the plurality of early warning state detectors, the lifting water retaining stairs are arranged at the inner side beside the accumulated water level monitoring groove, the lifting water retaining stairs comprise the multistage lifting steps, and when the lifting steps are not lifted, the upper surfaces of the lifting steps are flush with the ground; the multiple-stage lifting steps are arranged on the inner side of the accumulated water level monitoring ditch in parallel, the width of each multiple-stage lifting step is consistent with that of an entrance and an exit of a subway station, a lifting mechanism is arranged at the bottom of each step, and an electric appliance control part of each lifting mechanism is connected with a lifting stair electric switch of an intelligent early warning control system;
the intelligent early warning control system is used for judging early warning states based on trigger signals of a plurality of early warning state detectors and starting corresponding early warning modes according to the early warning states so as to control the lifting of the multistage lifting steps;
the detection board is provided with three early warning detection point positions and a common zero point along the vertical direction, and the three early warning detection point positions are sequentially provided with a primary early warning state detector, a secondary early warning state detector and a tertiary early warning state detector from top to bottom; the primary early warning state detector and the secondary early warning state detector are positioned above the ground, and the tertiary early warning state detector is positioned in the accumulated water level monitoring ditch, wherein when the tertiary early warning state detector is triggered, a trigger signal is sent to the subway station GIS monitoring platform and a tertiary early warning mode is started;
the lifting water retaining stair is sequentially provided with a first-stage lifting step to a sixth-stage lifting step from the outer side to the inner side, and when a three-stage early warning mode is started, the first-stage lifting step and the second-stage lifting step are synchronously lifted to a first height; when the second-stage early warning mode is started, the first-stage to fourth-stage lifting steps are lifted, and the second-stage and third-stage lifting steps reach a second height; when the first-stage early warning mode is started, the first-stage lifting steps to the sixth-stage lifting steps are all lifted, and the third-stage lifting steps and the fourth-stage lifting steps reach a third height.
2. The rainfall flood monitoring and early warning facility of claim 1, wherein: the system comprises a primary early warning state detector, a secondary early warning state detector, a tertiary early warning state detector, a central controller of an intelligent early warning control system, a hierarchical early warning display and a subway station GIS monitoring platform, wherein the primary early warning state detector, the secondary early warning state detector and the tertiary early warning state detector are arranged on a common zero point and are in signal connection with the central controller, the output end of the central controller is connected with the input end of the hierarchical early warning display, and the output end of the hierarchical early warning display is connected with the subway station GIS monitoring platform and an electric switch of a stair.
3. A rainflood monitoring and early warning facility according to claim 2, wherein: the lifting mechanism comprises a pneumatic/hydraulic cylinder which is arranged on the main body frame of the lifting water-retaining stair, a pneumatic/hydraulic piston is arranged in the pneumatic/hydraulic cylinder, the extending end of the pneumatic/hydraulic piston is fixedly connected with the bottom of the lifting step, the bottom of one side of the pneumatic/hydraulic cylinder is connected with a pneumatic/hydraulic guide pipe, the other end of the pneumatic/hydraulic guide pipe is connected with a three-way electromagnetic pneumatic/hydraulic valve, the electromagnetic control part of the three-way electromagnetic gas/liquid valve is connected with the electric appliance control part, one end of the three-way electromagnetic gas/liquid valve is connected with a high-pressure compressed gas/liquid tank, the high-pressure compressed gas/liquid tank is connected with the output end of the compressor, the input end of the compressor is connected with the low-pressure gas/liquid tank, and the low-pressure gas/liquid tank is connected with the other end of the three-way electromagnetic gas/liquid valve.
4. A rainflood monitoring and early warning facility according to claim 3, wherein: wherein, the third height is higher than the second height, the second height is higher than the first height, the first height is according to local 10 intra-year's the biggest precipitation and adds 20% protection height and calculate the affirmation, the second height is according to local 50 intra-year the biggest precipitation and adds 20% protection height and calculate the affirmation, the third height is according to 100 intra-year the biggest precipitation and adds 20% protection height and calculate the affirmation, tertiary early warning state detector sets up in ground below 20cm department, the height of second grade early warning state detector apart from ground with the first height is unanimous, the height of one-level early warning state detector apart from ground with the second height is unanimous.
5. The rainfall flood monitoring and early warning facility of claim 1, wherein: the detection plates are symmetrically arranged on two sides of an entrance and an exit of the subway station and fixed on a wall body, the lifting steps are made of steel, waterproof paint is coated on the surfaces of the lifting steps, anti-slip strips are embedded on the upper surfaces of the lifting steps, and the anti-slip strips are arranged along the length direction of the lifting steps.
6. A rainfall flood monitoring and early warning method for urban subway station mouths is characterized by comprising the following steps: the method comprises the following steps:
arranging a rainfall flood monitoring and early warning facility according to any one of claims 1 to 5 at an entrance and an exit of a subway station;
when the early warning state detector is triggered, a triggering signal of the early warning state detector is sent to the central controller;
the central controller judges the early warning state based on the trigger signal of the corresponding early warning state detector and sends an early warning instruction to the graded early warning display;
the grading early warning display sends the early warning instruction to a GIS monitoring platform of the subway station and an electric switch of a lifting stair respectively, and starts a corresponding early warning mode;
correspondingly to the received early warning instruction, the electric switch of the escalator controls the lifting mechanism at the bottom of the corresponding lifting step to lift;
wherein, set up rain flood monitoring early warning facility in subway station access & exit department and include following step:
a ponding water level monitoring ditch is arranged at the entrance and exit of the subway station;
arranging a detection plate above the accumulated water level monitoring ditch, extending the lower end of the detection plate into the accumulated water level monitoring ditch, and arranging three early warning detection point positions and a common zero point on the detection plate at intervals along the vertical direction;
a primary early warning state detector, a secondary early warning state detector and a tertiary early warning state detector are respectively arranged on the three early warning detection points from top to bottom;
arranging a lifting water retaining stair on the inner side of the accumulated water level monitoring ditch, wherein the lifting water retaining stair comprises six-stage lifting steps;
a lifting mechanism is arranged at the bottom of each stage of lifting step;
the input end of a central controller of an intelligent early warning control system is in signal connection with the early warning state detector, the output end of the central controller is in signal connection with the input end of a grading early warning display, and the output end of the grading early warning display is in signal connection with a GIS monitoring platform of a subway station and an electric switch of a stair;
and the electric switch of the escalator is in signal connection with the electric control part of the lifting mechanism.
7. The rainfall flood monitoring and early warning method of claim 6, wherein: the method comprises the following steps:
when no accumulated water exists in the accumulated water level monitoring ditch or the accumulated water amount is lower than the arrangement point position of the detector in the three-stage early warning state, the electric switch of the escalator is not started, and the upper surface of the elevating step is flush with the ground;
when the accumulated water amount in the accumulated water level monitoring ditch is higher than the arrangement point position of the three-level early warning state detector, the three-level early warning state detector is triggered, the triggering information of the three-level early warning state detector is sent to the central controller, the central controller judges that the three-level early warning state exists, and sends a three-level early warning instruction to the grading early warning display, the grading early warning display sends the three-level early warning instruction to the GIS monitoring platform of the subway station and the electric switch of the lifting stair respectively, the three-level early warning mode is started, and the electric switch of the lifting stair controls the first-level lifting step and the second-level lifting step to be lifted to the first height synchronously and evacuate personnel;
when the accumulated water amount in the accumulated water level monitoring ditch is higher than the arrangement point position of the second-level early warning state detector, the second-level early warning state detector is triggered, the triggering information of the second-level early warning state detector is sent to the central controller, the central controller judges that the accumulated water amount is in a second-level early warning state, a second-level early warning instruction is sent to the GIS monitoring platform of the subway station and the grading early warning display, the grading early warning display sends the second-level early warning instruction to the electric lifting stair switch respectively, a second-level early warning mode is started, the electric lifting stair switch controls the first-level lifting step to the fourth-level lifting step to lift, the second-level lifting step and the third-level lifting step reach the second height, and people are evacuated;
when the accumulated water amount in the accumulated water level monitoring ditch is higher than the arrangement point position of the primary early warning state detector, the primary early warning state detector is triggered, the trigger information of the primary early warning state detector is sent to the central controller, the central controller judges that the primary early warning state is achieved, primary early warning instructions are sent to the grading early warning displayer, the grading early warning displayer sends the primary early warning instructions to the subway station GIS monitoring platform and the stair electric switch respectively, the primary early warning mode is started, the stair electric switch controls the first-stage to sixth-stage lifting steps to rise, the third-stage lifting steps and the fourth-stage lifting steps reach the third height, and people are evacuated;
when the water level falls, the electric switch of the stair is closed, and the lifting steps fall to the initial height.
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| CN113623002A (en) * | 2021-08-04 | 2021-11-09 | 安徽理工大学 | Flood disaster early warning system and method for subway station hall and tunnel |
| CN117403938B (en) * | 2023-11-27 | 2024-08-13 | 江苏润尔达建设工程有限公司 | Municipal waterlogging prevention system |
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