KR102609434B1 - Elevator flood prevention device using elevator structure and control and its construction method - Google Patents

Abstract

The present invention relates to an elevator flood prevention device using elevator structure and control and a construction method thereof, which collects water at the entrance of the elevator, which is the location where water first flows in, determines flooding, and then controls the movement of the passenger car, The purpose is to install and operate the elevator while minimizing the addition of new components by using the configuration already applied to the elevator.
The elevator flood prevention device using the elevator structure and control according to the present invention is installed at the entrance of the elevator core and is mounted on the rail (5) supporting the bottom of the building-side door, and is installed on the rail (5) that supports the bottom of the door on the building side, and is installed at the entrance of the elevator core, and is installed on the rail (5) that supports the bottom of the door on the building side, and is installed at the entrance of the elevator core. One or more water collection tanks (10) for collecting water; an entrance-side flood sensor (20) that detects water collected inside the water collection tank; It determines flooding based on the detection value of the flood sensor at the entrance and includes a controller 30 that controls movement of the passenger car to a safe area when flooding is determined, and determines flooding by collecting water at the entrance where water flows first. By doing so, the passenger car is moved to a safe area before the pit level of the elevator core is flooded. The water collection tank is installed on the floor of the entrance and is installed on a rail that supports and seals the door on the building side, and the controller is connected to the elevator parking program and controls the movement of the passenger car using the elevator parking program.
[This invention is a research result of the 2023 Smart Elevator Advanced Technology Development Support Project and the elevator flood monitoring device research and development project being carried out with the support of Chungcheongbuk-do and the Chungbuk Institute of Science, Technology and Innovation.]

Description

Elevator flood prevention device using elevator structure and control and its construction method {Elevator flood prevention device using elevator structure and control and its construction method}

The present invention relates to an elevator flood prevention device. More specifically, the present invention relates to an elevator flood prevention device, and more specifically, to collect water at the entrance and exit of the elevator where water flows in, determine flood, evacuate the passenger car to a safe area, and remove the structure (rail) applied to the elevator. It relates to an elevator flood prevention device using elevator structure and control that can be installed and operated using ) and function (elevator parking program) and its construction method.

This part only provides background information related to the content of this application and does not necessarily constitute prior art.

In general, an elevator is used to conveniently move between the upper and lower floors of a building. It is a structure in which a passenger car goes up and down through a driving means inside an elevator core constructed in a building. Due to this structure, external water does not flow into the elevator core. If the lowest pit floor is flooded and the boarding car is located in the basement, water rises to the top of the car and the boarding car is submerged.

Recent passenger cars have major devices (electronic control devices, etc.) installed at the top, and therefore, when the passenger car is submerged in water, even major parts are submerged, causing extensive damage.

Patent No. 10-1215862, a patent document related to preventing flooding in elevators, detects flooding in the elevator pit. Since the pit is already filled with water, even if the boarding car is moved, other devices installed on the pit floor will not be flooded with water. Because it is locked, significant maintenance costs are incurred and maintenance work must be done while the elevator is stopped for a long period of time, which causes complaints from residents.

In addition, it is difficult to commercialize it because it is very difficult and cumbersome to install two flood sensors as a flood detection unit on the pit floor and install a controller elsewhere and connect it to the flood detection unit.

Additionally, there is no preparation in case the flood sensor fails, that is, when the flood sensor fails to detect flooding.

Registered Patent No. 10-1215862

The present invention is intended to solve the problems described above, and collects water at the entrance of the elevator, which is the location where water first flows in, determines flooding, and then controls the movement of the passenger car, and also controls the movement of the passenger car, and has a configuration already applied to the elevator. The purpose is to provide an elevator flood prevention device and construction method using an elevator structure and control that can be installed and operated while minimizing the addition of new components.

The elevator flood prevention device using the elevator structure and control according to the present invention includes one or more water collection facilities that collect water flowing in through the structure-side entrance of the elevator core; an entrance-side flood sensor that detects water inside the water collection facility; It includes a controller that determines flooding based on the detection value of the flood sensor at the entrance and controls the movement of the passenger car to a safe area when flooding is determined, and checks for flooding in advance before the pit floor of the elevator core is flooded to prevent flooding of the passenger car. It is characterized by preventing.

The water collection facility is installed at the bottom of the entrance to collect water flowing in along the rail that guides and seals the opening and closing of the door on the structure side, or includes a water collection tank that collects water flowing in through the gap between the rail and the boarding car. It is characterized by:

The present invention is characterized by using a structure (rail) and function (elevator parking device (function)) already installed in the elevator.

The present invention includes a pit floor flooding sensor installed in the pit floor to detect flooding of the pit floor, and the controller determines flooding of the pit floor based on the detection value of the pit floor flooding sensor and then moves the passenger car to a safe area. It is characterized by movement control.

According to the elevator flood prevention device and its construction method using the elevator structure and control according to the present invention, water is collected at the entrance, which is the first point of entry in the path of water flowing into the elevator core, and flood is determined, even if the passenger car is on the basement floor. By moving the car to a safe area before the floor is flooded, keeping it dry and preventing flooding of equipment on the pit floor, repair work can be done in a short period of time rather than having to stop the elevator for a long period of time. This has the effect of reducing maintenance costs and providing convenience to residents.

In addition, since it is installed in the elevator and uses the rail of the door on the side of the building where water first flows in, and uses the elevator parking function to control the boarding car, it can be installed at a low cost by applying it to currently used elevators. Ultimately, active dissemination is possible.

In addition, installation is possible by installing a sump (flood sensor at the entrance) at the entrance on the 1st or 2nd floor, installing the controller on the 3rd floor, which is safe from flooding, and then connecting the cable, so workers can install it on the pit floor. It can be installed within a short travel route without having to go down, and the distance between the flood sensor at the entrance and the controller is only about 1 floor, so cables can be connected simply and quickly, making it easy to construct and commercialize.

In addition, although it is not related to flooding, it is very useful for elevator maintenance because it provides water inflow information and can be used as a reference for elevator management.

In addition, by using the entrance flood sensor and the pit floor flood sensor together, even if one flood sensor malfunctions, the remaining flood sensors can be used to determine flooding, which has the effect of improving the reliability of the elevator flood prevention device. there is.

1 is a conceptual diagram of an elevator flood prevention device using the elevator structure and control according to the present invention.
Figure 2 is a perspective view of the rail and water sump applied to the elevator flood prevention device using the elevator structure and control according to the present invention.
Figure 3 is a cross-sectional view of a water sump applied to an elevator flood prevention device using the elevator structure and control according to the present invention.
Figure 4 is a block diagram showing an example of control through connection of an elevator flood prevention device and an elevator parking device using the elevator structure and control according to the present invention.
Figure 5 is an example diagram of a controller applied to an elevator flood prevention device using the elevator structure and control according to the present invention.
Figure 6 is an illustration of a pit floor sensor included in an elevator flood prevention device using the elevator structure and control according to the present invention.

In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description will be omitted. The terms described below are defined in consideration of the functions in the present invention, and may vary depending on the intention or custom of the user or operator. Therefore, the definition should be made based on the contents throughout this specification.

Figure 1 is a schematic side view of a building (right) and the front of an elevator to show the configuration of the present invention. As shown in Figure 1, the elevator flood prevention device using the elevator structure and control according to the present invention is an elevator A water collection facility that collects water (rainwater) flowing into the core (1) (a space formed along the vertical direction of the building and where the boarding car (2) goes up and down), including one or more water catch basins (10) and a water collection tank (10). ) is determined to be flooded (predicted flooding) based on the detection value of the entrance flood sensor 20 and the entrance flood sensor 20, which detects water collected in the It includes a controller 30 that controls movement.

The water collection tank 10 is an example of a water collection facility that collects water flowing in through the entrance. Water penetrates into the pit layer 3, which is the floor inside the elevator core 1, and is flooded before the pit layer 3 is flooded. It is installed in a place where water flows in the fastest so that it can be determined, and this is an entrance formed to communicate with the inside of the boarding car (2) (inside the elevator core (1)) on each floor of the building. A building-side door 4 is installed at the entrance to be openable and closed. For example, two building-side doors 4 slide left and right to open or close the entrance.

The present invention is characterized in that it collects water flowing into the entrance, and collects water from the floor, which is the lowest point in the entrance since the water will flow from the floor of the building, and the bottom of the door 4 on the building side is a preferred installation location. The water collection tank (10) is installed with the rail (5), which is slidably supported and installed to seal this part, as the installation position. As shown in Figure 2, the rail 5 includes a groove 5a that opens upward for the purpose of collecting foreign substances such as dust, and in the present invention, the upper surface of the rail 5 and the groove of the rail 5 (5a) is used as the water flow path.

That is, water is delivered from the rail 5, where water first flows in the water immersion path, and is collected inside the water collection tank 10.

The preferred structure of the water collection tank 10 includes a water collecting part 11 that collects water and a fixing part 12 fixed to the rail 5, and the water collecting part 11 is a barrel structure open toward the top and the upper side. The opening part is disposed below the groove (5a) of the rail (5) to collect water falling from the groove (5a), and the fixing part (12) extends laterally from one side of the water collecting part (11) (integrated). It overlaps the bottom of the rail (5) and is fixed through fasteners (pieces, bolts and nuts, welding, etc.).

As shown in Figure 3, the water collection tank 10 has one or more drain holes 13 formed at the bottom.

The drain hole 13 is intended to distinguish between flooding situations due to heavy rain, etc., and temporary water inflow situations for cleaning buildings. It is formed with a narrower water passage area than the upper opening of the water collection unit 11, so that the drainage amount is smaller than the inflow amount of water. By doing so, water is collected in the water collection unit 11. The drain hole 13, the entrance/exit flood sensor 20, and the controller 30 are used to determine flooding using an organic coupling relationship, and this will be explained in detail in the controller 30.

The opening degree of the drain hole 13 may be adjusted through an opening/closing plate. The opening/closing plate is, for example, installed in a sliding manner on the bottom or bottom of the water collection tank 10 to adjust the opening degree of the drain hole 13 or completely open it. When the opening and closing plate is applied, the water collection tank can be installed under optimal conditions according to various environments by varying the water drainage rate with one type of water collection tank (10), so various types of water collection containers with different sizes of drainage holes can be avoided.

The water collection tank 10 of this configuration is installed on one or both sides of the left and right ends of the rail 5.

Although the water collection tank (10) is directly coupled to the rail (5) and the water is shown and explained to be collected by natural falling through the difference in position, the present invention describes collecting water where it flows into the elevator core (1). Since it is not limited to this, it also includes a technology of connecting a hose, etc. to the rail (5) and installing a water collection tank away from the rail (5) to receive and collect water.

In addition, the water collection facility may be installed below the space formed between the rail 5 and the boarding car 2 to collect water that overflows into the space beyond the rail 5. In other words, the water collection facility can be installed with the water collection tank 10 alone or in combination with a hose.

Here, the water collection tank 10 and the hose serve as water collection facilities.

A separate guide can be added to guide the water flowing into the groove (5a) of the rail (5) to the water collection tank (10). The guide is, for example, installed at the bottom of the groove (5a) and has a bottom surface that slopes downward toward the water collection tank (10), blocking the space formed between the rail (5) and the boarding car (2) to allow water to flow. A form that leads to the groove 5a is possible.

The entrance side flood sensor 20 generates a signal based on the amount of water collected in the water collection part 11 of the water collection tank 10 and transmits it to the controller 30, and its installation location (detection position) is the water collection part 10. It varies depending on the capacity of (11), etc.

The controller 30 determines flooding using the detection value of the entrance-side flood sensor 20, and when flooding is determined, the controller 30 moves the boarding car 2 to a safe area. Due to the location of the entrance, the entrance-side flood sensor 20 detects water Not all situations that are detected can be judged as flooding.

That is, when cleaning the floor of a building with water, some of the water flows into the rail 5, passes through the rail 5, and then collects in the water collection tank 10, so that the flood sensor 20 at the entrance detects the water. Since the water collection caused by such water cleaning cannot be judged as flooding, the controller 30 determines it as flooding only when the entrance-side flooding sensor 20 detects water for a certain period of time (standard time) and provides a water detection signal for a certain period of time. If it is not detected, it is judged that there is no flooding.

On the other hand, the amount of water flowing in during water cleaning may be greater than the water collection capacity of the water collection unit 11, and in this case, the entrance side flooding sensor 20 may detect water for more than a standard time, causing an error in determining flooding. To prevent such errors, a drain hole (13) is applied to the water collection tank (10).

Therefore, as water for water cleaning flows into the water collection tank 10, a smaller amount of water than the inflow amount is drained into the drain hole 13, and through this inflow and drainage action, the inflow of water due to water cleaning is converted into flooding. Judgment errors can be reduced.

The reference time varies depending on the capacity of the water collection unit 11 and is freely set.

When the water collection tank (10) and the entrance-side flood sensor (20) are installed on both sides of the rail (5), two entrance-side flood sensors (20) are connected to the controller (30), and one controller (30) Flooding is determined based on the value detected by the entrance/exit flood sensor 20 above.

When the controller 30 determines that it is flooded, it evacuates the boarding car 2 to a safe area (for example, the 2nd or 3rd floor). The method is to directly control the driving means of the boarding car 2, such as an elevator. There is a method of using the elevator parking device (program) 40, which is already included in the control.

In the former method, the controller 30 is connected to the driving means and controls the driving means to move the boarding car 2 to a safe area.

The latter method uses an elevator parking device (program) 40, as shown in Figure 4. The elevator parking device (program) 40 controls the driving means by inserting the key into the key 41 and turning it to park. Move the boarding car (2) to the destination floor (safe area) - Open the door of the boarding car (2) so that passengers can get off inside the boarding car (2) - Control the lights off ?? Guide sound output?? The door is closed, and the controller 30 of the present invention operates the elevator parking device (program) 40 by outputting the same parking on signal as operating the key 41 of the elevator parking device (program) 40. . The output of a guidance sound during operation of the elevator parking device (program) 40 may be an additional technology for outputting a flood broadcast in accordance with the present invention.

Therefore, since the boarding car 2 is evacuated and moved to a safe area using the already installed elevator parking device (program) 40, the configuration of the control-related program is very simple.

The controller 30 can control the evacuation movement of the boarding car 2 and inform the manager of the flooding situation by sending a signal (wireless communication) to the server in the elevator control room or to the portable terminal of the manager or building owner (IoT). , It basically informs the flood situation according to the flood judgment, and can also transmit a signal to inform about a situation in which water is collected in the water collection tank 10 but is not judged to be flooded. Therefore, the signal of the flood situation and the water collection situation can be distinguished. send.

Figure 5 is an exemplary diagram showing the hardware configuration of the controller 30, including a case 31, a power supply unit 32 such as commercial power or a battery, a submersion sensor connection unit 33, and an output unit 34 for movement of the passenger car. ), a communication unit 35 that communicates with a server or portable terminal, a speaker unit 36 that outputs sound, and an alarm light 37 that informs of the power supply status, detection and control operation, etc., and can be operated by the administrator. It is installed in a possible location (installed on the 3rd floor when the 1st and 2nd floors are prone to flooding).

The construction method of the elevator flood prevention device using the elevator structure and control according to the present invention is as follows.

1. Installation of water sump.

Among the entrances of the elevator, the entrance of the floor where water can flood from the inside of the building into the inside of the elevator core 1 is determined as the floor where the water collection tank 10 is installed, for example, the first and second floors.

A water collection tank (10) is installed at the end of the rail (5) installed on the floor of the entrance. An entrance-side flood sensor 20 is installed in the sump 10, and one side of the cable is connected to the entrance-side flood sensor 20.

2. Controller installation.

Install the controller 30 on another floor (3rd floor or higher) where the water collection tank 10 is not installed.

3. Connect the flood sensor at the entrance.

The cable 21 connected to the submersion sensor 20 on the entrance side of the sump 10 is wired, for example, in the space of the elevator core 1 and the other end is connected to the controller 30.

The method for preventing flooding in an elevator using the elevator structure and control according to the present invention is as follows.

1. Catchment.

Water on the floor of the building flows into the groove 5a of the rail 5 at the bottom of the elevator entrance, and since both sides of the groove 5a are open, the water flowing into the groove 5a flows to both ends. And, it freely falls into the collecting part 11 of the collecting trough 10 at this position and is collected.

2. Flood sensor detection at the entrance.

When water is collected in the water collector (11), if the water level is too low for the entrance flood sensor (20) to detect, the entrance flood sensor (20) cannot detect the water and the water in the water collector (11) is It is drained out through the drain hole (11). At this time, water falls into the pit layer, but because it is a small amount, it does not flood the pit layer and naturally evaporates without damaging the equipment in the pit layer.

Meanwhile, as the amount of water collected in the water collection unit 11 increases and the entrance-side flood sensor 20 detects water, the entrance-side flood sensor 20 transmits a water detection signal to the controller 30.

3. Judgment of flooding.

The controller 30 counts the water detection signal from the entrance side flood sensor 20 and compares it with the reference time.

If the water detection signal exceeds the standard time, flooding is determined.

Meanwhile, if the water detection signal does not exceed the standard time and is cut off within the standard time, flooding is not determined.

4. Elevator parking program operation.

If it is determined that there is flooding, the controller 30 controls parking on through the elevator parking device (program) 40.

As described above, the elevator parking device (program) 40 moves the boarding car 2 to a safe area and performs programmed control based on the parking on control by the controller 30.

Figure 6 is an example of the pit layer submersion sensor 50 applied to directly detect the submersion of the pit layer 3.

Water flowing into the inside of the building falls to the pit layer through the entrance and the pit layer (3) is flooded. The pit layer flooding sensor (50) detects the water collected in the pit layer (3), and the controller (30) determines the flooding of the pit layer (3) based on the detection value (detection of water) of the pit layer flooding sensor (50).

Using the pit floor flooding sensor (50), when the flooding sensor (20) malfunctions and cannot determine flooding, the flooding of the pit floor (3) is determined and the boarding car ( 2) can be moved to a safe area.

That is, the pit floor flood sensor 50 and the entrance side flood sensor 20 complement each other to maintain the boarding car 2 in a safe dry state.

The pit floor flood sensor 50 is used to provide flood information on the pit floor 3 even when the entrance flood sensor 20 operates normally. For example, flooding is determined as a result of detection by the entrance flood sensor 20. At the same time, the boarding car (2) is kept in a stopped state, the door is opened, and an announcement is output to encourage the evacuation of residents. Then, when the pit floor flood sensor (50) detects water, the boarding car (2) is opened. Movement to a safe area can be controlled.

The pit floor flooding sensor 50 may be installed on the wall of the pit floor 3, and may be installed at only one stage at a height for moving the boarding car 2, or may be installed at two or more stages. In this case, there is an advantage of being able to check the amount of water flowing into the pit layer (3) even after moving the boarding car (2).

1: Elevator core, 2: Boarding car
3: pit floor, 4: building side door
5: rail, 5a: groove
10: water collection tank, 11: water collection unit
12: fixing part, 13: drain hole
20: Entrance side flood sensor, 30: Controller
40: Elevator parking device (program),
50: Pit layer submersion sensor,

Claims (8)

One or more water collection facilities installed at the entrance of the elevator core to collect water flowing into the interior of the elevator core through the entrance;
an entrance-side flood sensor that detects water collected inside the water collection facility;
Including a controller that determines flooding based on the detection value of the flood sensor at the entrance and controls movement of the passenger car to a safe area when flooding is determined,
By collecting water from the entrance where water first flows in before it falls on the pit floor and determining flooding, the car is moved to a safe area before the pit floor of the elevator core is flooded.
The water collection facility is installed at the bottom of the entrance of the elevator core so that the bottom of the door on the building side that opens and closes the entrance can be opened and closed, and is installed at the longitudinal end of the sealing rail to collect water flowing in along the rail. ego,
The water collection tank has a barrel structure that is open toward the top, and the upper opening part is disposed below the groove of the rail to collect water falling from the groove, and is formed to extend laterally from one side of the water collection portion to the rail. A fixing part that overlaps and is fixed to the bottom of the water collecting part and one or more pieces formed at the bottom of the water collecting part with a water passage area narrower than the upper opening part of the water collecting part, thereby allowing water to be collected in the water collecting part by reducing the amount of drainage than the inflow of water. Includes a drain hole,
The controller is an elevator flood prevention device using elevator structure and control, characterized in that the controller determines that the flood sensor on the entrance side detects water for a certain period of time as flood. The elevator flood prevention device using elevator structure and control according to claim 1, comprising an opening and closing plate installed in the water collection tank to adjust the opening degree of the drain hole.
delete The elevator flood prevention device using elevator structure and control according to claim 1, wherein the controller is connected to an elevator parking program applied to an existing elevator and controls boarding cars through the elevator parking program.
delete The method according to claim 1, comprising one or more pit layer flood sensors installed in the pit layer to detect flooding of the pit layer, and the controller determines the flood of the pit layer based on the detection value of the pit layer flood sensor. Elevator flooding prevention device using elevator structure and control, characterized in that. A method of constructing an elevator flood prevention device using the elevator structure and control according to claim 1,
A first step of installing a water collection facility at the bottom of an entrance that is formed to communicate with the elevator core and is opened and closed by a building-side door;
A second step of installing a flood sensor at the entrance to the water collection facility;
A third step of installing the controller;
It includes a fourth step of connecting the cable of the entrance-side flood sensor to the controller,
The first step is characterized by installing a water sump at the longitudinal end of the rail installed at the bottom of the entrance and supporting the bottom of the building-side door so that water flowing along the groove of the rail is collected in the sump. Construction method of elevator flood prevention device using elevator structure and control. delete

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