An integrated device and method for waterproofing and automatic pumping of elevator pit

Abstract

The application discloses a kind of waterproof and integrated device and method of automatic pumping of elevator pit of additional installation, it is related to intelligent drainage control technical field, including in the construction stage of pit of additional installation elevator in existing building, the water-collecting area with V type diversion slope surface is formed in pit bottom, and the drainage pump suction port is positioned in the lowest point of the V type diversion slope surface, so that leakage water is naturally collected to drainage pump suction port;By constructing diversion water-collecting, composite waterproof, intelligent sensing and linkage control four collaborative modules, the efficient collection, multiple barriers, accurate identification and safety response of pit leakage water are realized, not only utilize V type slope surface and multilayer waterproof system to reduce the risk of water accumulation from source, more introduce the double condition pump starting mechanism based on environmental humidity dynamic correction starting water level threshold and combined with water level change rate to identify condensate water, effectively avoid the misstart caused by traditional fixed threshold, while automatically link elevator control system at high water level Forced car to return to top and disable downlink.

Description

Technical Field

[0001] This invention relates to the field of intelligent drainage control technology, and in particular to an integrated device and method for waterproofing elevator pits and automatically pumping out accumulated water. Background Technology

[0002] Intelligent drainage control technology refers to a modern drainage management method that integrates sensor monitoring, data processing, and automatic control strategies. By collecting environmental parameters such as water level and humidity in real time, it dynamically judges drainage demand by combining preset logic or algorithms, and automatically starts and stops water pumps, switches to backup equipment, or links with other systems to achieve efficient, energy-saving, and reliable drainage operation. It effectively avoids the problems of malfunction or response lag caused by traditional fixed threshold control and is widely used in underground spaces, building pits, municipal pipe networks, and other scenarios.

[0003] Traditional pit bottoms are often flat or have unclear slopes, causing seepage water to disperse and stagnate, making it difficult to efficiently guide to the drainage pump inlet, thus affecting drainage efficiency. Furthermore, existing automatic pumping systems generally use fixed water level thresholds to control start and stop, which can easily lead to accidental start-up due to the slow accumulation of condensate in high humidity environments, resulting in frequent equipment operation, increased energy consumption, and shortened lifespan. Summary of the Invention

[0004] In view of the aforementioned existing problems, the present invention is proposed.

[0005] Therefore, this invention provides an integrated method for waterproofing elevator pits and automatically pumping out accumulated water, which solves the problems of traditional pit bottoms being mostly flat or having unclear slopes, causing leakage water to disperse and stagnate, making it impossible to efficiently guide it to the drainage pump inlet, thus affecting drainage efficiency. Furthermore, existing automatic pumping systems generally use fixed water level thresholds to control start and stop, which are prone to accidental start-up due to the slow accumulation of condensate in high humidity environments, resulting in frequent equipment operation, increased energy consumption, and shortened lifespan.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: In a first aspect, the present invention provides an integrated method for waterproofing and automatically draining water from elevator pits, comprising: During the pit construction phase of adding elevators to existing buildings, a water collection area with a V-shaped guide slope is formed at the bottom of the pit, and the suction inlet of the drainage pump is positioned at the lowest point of the V-shaped guide slope, so that the seepage water naturally collects to the suction inlet of the drainage pump. A cement-based penetrating crystalline waterproof coating layer and a polymer self-adhesive waterproof membrane layer are applied sequentially to the bottom and sidewall surfaces of the pit. Water-swellable waterstop strips and pre-embedded grouting pipes are also installed at the joints between the old and new structures to construct a multi-layered composite waterproof system. Capacitive liquid level sensors and temperature and humidity sensors are installed inside the pit to collect water level data and ambient humidity data in real time, and dynamically determine the starting water level threshold of the drainage pump based on the collected data. The main drainage pump is started and stopped according to the water level threshold. When the water level exceeds the preset high water level threshold, the standby drainage pump is started and a high water level signal is sent to the elevator control system, so that the elevator car runs to the top terminal station and is prohibited from going down. The dynamic determination of the starting water level threshold of the drainage pump includes using a reference starting water level as the initial value and making a positive correction to the starting water level based on the increase in ambient humidity, thereby avoiding false starts caused by the accumulation of condensate in high humidity environments.

[0007] As a preferred embodiment of the integrated method for waterproofing and automatically draining water from elevator pits according to the present invention, the specific steps for forming a water collection area with a V-shaped guide slope at the bottom of the pit are as follows: Before pouring the concrete for the bottom slab of the pit, a pair of symmetrical inclined templates are set in the transverse direction at the predetermined water collection position. The inner side of the templates is inclined towards the center line at an angle of θ. After pouring concrete and curing it to the design strength, the formwork is removed, so that the bottom of the pit forms a V-shaped guide slope with the center line as the lowest point; Position the drainage pump inlet on the center line of the V-shaped guide slope to ensure that the seepage water flows along both sides of the slope towards the center line under the action of gravity and collects at the drainage pump inlet.

[0008] As a preferred embodiment of the integrated method for waterproofing and automatic drainage of water accumulation in elevator pits as described in this invention, the specific steps for sequentially applying a cement-based penetrating crystalline waterproof coating layer and a polymer self-adhesive waterproof membrane layer are as follows: Clean the bottom and sidewall surfaces of the pit until there is no floating dust or standing water. Apply the first coat of cement-based penetrating crystalline waterproof coating evenly to the cleaned surface using a roller. After the surface is dry, apply the second coat at an interval of no less than 6 hours. The two coats should be applied in perpendicular directions. After the second coat of coating has fully cured, lay the polymer self-adhesive waterproof membrane. The overlap width of the long and short sides of the membrane shall not be less than the specified minimum value, and the overlap shall be compacted with a pressure roller. At inside and outside corners and at detailed joints where pipes pass through walls, additional rolls of material are pre-cut to fit the shape for reinforcement.

[0009] As a preferred embodiment of the integrated method for waterproofing and automatic drainage of water accumulation in elevator pits described in this invention, the specific steps for embedding water-swellable sealing strips and pre-embedding grouting pipes at the joint between the old and new structures are as follows: A rectangular groove is excavated along the junction of the existing building foundation and the newly added pit structure, with a groove depth of [missing information]. Width is ; Embed the water-swellable sealing strip with matching cross-sectional dimensions into the bottom of the groove and compact it; A grouting pipe is placed parallel to the waterstop strip above it, with an outer diameter of [missing information]. Its axis is at a distance of from the top surface of the groove. The grouting pipe extends out of the pit at both ends and the ports are sealed. Backfill with micro-expansion cement mortar to the top of the groove to complete the waterproof construction of the joint.

[0010] As a preferred embodiment of the integrated method for waterproofing and automatic drainage of water accumulation in elevator pits as described in this invention, the specific steps for dynamically determining the starting water level threshold of the drainage pump based on the collected data are as follows: Set the baseline starting water level threshold as ; Real-time acquisition of relative humidity values ​​output by the ambient humidity sensor ; Based on relative humidity value The relationship with the preset humidity range, and the baseline start-up water level threshold. After correction, the dynamic starting water level threshold is obtained. The revised rules are as follows: like ,but ;like ,but ; like ,but ; in, and The preset humidity boundary point, and The correction coefficient is a positive real number, and It is used to reflect the nonlinear acceleration characteristics of condensate growth in high humidity areas.

[0011] As a preferred embodiment of the integrated method for waterproofing and automatic drainage of water accumulation in elevator pits as described in this invention, the specific steps of sending a high water level signal to the elevator control system are as follows: When the liquid level sensor detects the current water level Greater than or equal to the preset high water level threshold At that time, a high water level trigger signal is generated; The high water level trigger signal is transmitted to the safety input port of the elevator control system via a hard-wired switch output module or a standard communication protocol module. Upon receiving the high water level trigger signal, the elevator control system immediately performs the following operations: Control the elevator car to run at inspection speed to the top terminal station, open the landing door and keep it open, and cut off the authorization for the downward direction command; In subsequent monitoring, when the water level Falling below the safe reset level And the duration exceeds the preset delay. Afterwards, the high water level signal was lifted, and the elevator's normal operation was restored.

[0012] As a preferred embodiment of the integrated method for waterproofing and automatically draining water from elevator pits as described in this invention, the specific steps for preventing false starts due to condensation buildup in high-humidity environments are as follows: Before each decision to start the drainage pump, the current water level is simultaneously acquired. and the water level at the previous sampling time ; Calculate the current rate of change of water level The expression is: ; in, For water level sampling cycle, and These are the water level values ​​at the current time and the previous sampling time, respectively; The drain pump may be started only if both of the following conditions are met: Current water level ; Rate of change of water level ; in, This is a preset minimum effective rate of rise threshold used to exclude slow condensation and accumulation processes.

[0013] Secondly, the present invention provides an integrated device for waterproofing elevator pits and automatically draining accumulated water, comprising: Water diversion and collection module, composite waterproof module, intelligent sensing module and linkage control module; The water diversion and collection module is used to form a V-shaped diversion slope at the bottom of the pit and position the drainage pump inlet at the lowest point of the slope, so as to guide the seepage water to naturally collect to the pump inlet. The composite waterproof module is used to sequentially apply a cement-based penetrating crystalline waterproof coating layer and a polymer self-adhesive waterproof membrane layer to the bottom surface and side walls of the pit, and to embed water-swellable waterstop strips and pre-embedded grouting pipes at the joints between the old and new structures to construct a multi-line waterproof system. The intelligent sensing module is used to deploy a capacitive liquid level sensor and a temperature and humidity sensor to collect water level data and ambient humidity data in real time, and dynamically adjust the water level threshold for starting the drainage pump based on humidity changes. The linkage control module is used to control the start and stop of the main drainage pump according to the dynamic start water level threshold. When the water level exceeds the high water level threshold, the backup drainage pump is started and a high water level signal is sent to the elevator control system, so that the elevator car runs to the top terminal station and is prohibited from going down. At the same time, the water level change rate is combined to determine the accumulation of condensate to avoid false start.

[0014] Thirdly, the present invention provides a computer device, including a memory and a processor, wherein the memory stores a computer program, wherein when the computer program is executed by the processor, it implements any step of the integrated method for waterproofing and automatically draining water from elevator pits as described in the first aspect of the present invention.

[0015] Fourthly, the present invention provides a computer-readable storage medium having a computer program stored thereon, wherein: when the computer program is executed by a processor, it implements any step of the integrated method for waterproofing and automatically draining water from elevator pits as described in the first aspect of the present invention.

[0016] The beneficial effects of this invention are as follows: By constructing four collaborative modules—water diversion and collection, composite waterproofing, intelligent sensing, and linkage control—it achieves efficient collection, multiple barriers, accurate identification, and safe response of seepage water in the pit. It not only reduces the risk of water accumulation from the source by utilizing a V-shaped slope and a multi-layer waterproofing system, but also introduces a dual-condition pump start mechanism based on dynamic correction of the start water level threshold based on environmental humidity and judgment of condensate water by combining the rate of water level change. This effectively avoids false starts caused by traditional fixed thresholds. At the same time, it automatically links with the elevator control system to force the car to return to the top and prohibits downward movement when the water level is high, thereby improving the operational safety, system reliability, and maintenance intelligence level of the elevator pit in complex hydrological and high-humidity environments. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a flowchart of the integrated method for waterproofing and automatically draining water from the elevator pit in Example 1.

[0019] Figure 2 This is a schematic diagram of the module for adding an integrated device for waterproofing elevator pits and automatically draining accumulated water in Example 1. Detailed Implementation

[0020] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0022] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0023] Example, refer to Figure 1 and Figure 2 This is one embodiment of the present invention, which provides an integrated method for waterproofing elevator pits and automatically draining accumulated water, comprising the following steps: S1. During the pit construction phase of adding elevators to existing buildings, a water collection area with a V-shaped guide slope is formed at the bottom of the pit, and the suction port of the drainage pump is positioned at the lowest point of the V-shaped guide slope, so that the seepage water naturally collects to the suction port of the drainage pump.

[0024] Furthermore, before pouring the concrete for the pit bottom slab, a pair of symmetrical inclined templates are set horizontally at the predetermined water collection position, with the inner side of the templates inclined towards the center line at an angle of θ. After pouring the concrete and curing it to the design strength, the templates are removed, so that the bottom surface of the pit forms a V-shaped guide slope with the center line as the lowest point. The suction inlet of the drainage pump is positioned on the center line of the V-shaped guide slope to ensure that the seepage water flows along the two slopes towards the center line under the action of gravity and collects at the suction inlet of the drainage pump.

[0025] It should be noted that by pre-setting symmetrical inclined templates to form a V-shaped guide slope during the concrete pouring stage, and precisely arranging the drainage pump inlet at the lowest point of the slope, the effect of gravity can be fully utilized to achieve efficient and directional collection of seepage water, avoid water stagnation in the pit, improve drainage efficiency, and reduce the risk of pump running dry or running dry.

[0026] S2. Apply a cement-based penetrating crystalline waterproof coating layer and a polymer self-adhesive waterproof membrane layer sequentially to the bottom and sidewall surfaces of the pit. Install water-swellable waterstop strips and pre-embed grouting pipes at the joints between the old and new structures to construct a multi-layered composite waterproof system.

[0027] Furthermore, clean the bottom and sidewall surfaces of the pit until there is no floating dust or standing water. Apply the first coat of cement-based penetrating crystalline waterproof coating evenly to the cleaned surface using a roller. After the surface is dry, apply the second coat at an interval of no less than 6 hours, with the two coats applied perpendicular to each other. After the second coat has fully cured, lay the polymer self-adhesive waterproof membrane. The overlap width of the long and short sides of the membrane should not be less than the specified minimum value, and the overlap should be compacted with a pressure roller. At the corners and detailed nodes where pipes penetrate the wall, pre-cut additional membrane layers of suitable shape for reinforcement.

[0028] A rectangular groove is excavated along the junction of the existing building foundation and the newly added pit structure, with a groove depth of [missing information]. Width is Embed and compact a water-swellable sealing strip with matching cross-sectional dimensions into the bottom of the groove; place a grouting pipe parallel to the sealing strip above it, with an outer diameter of [missing information]. Its axis is at a distance of from the top surface of the groove. The two ends of the grouting pipe extend outside the pit and the ports are sealed; micro-expansion cement mortar is backfilled to the top of the groove to complete the waterproof joint structure.

[0029] It should be noted that by first applying a cement-based penetrating crystalline waterproof coating and then laying a polymer self-adhesive waterproof membrane, and combining water-swellable waterstop strips and grouting pipes at the joints of the new and old structures to form a multi-layer sealing structure, not only is the overall density and impermeability of the waterproof layer enhanced, but a repairable channel is also provided for possible joint leakage in the later stages, thereby improving the long-term waterproof reliability of the pit.

[0030] S3. Install capacitive liquid level sensors and temperature and humidity sensors inside the pit to collect water level data and ambient humidity data in real time, and dynamically determine the starting water level threshold of the drainage pump based on the collected data.

[0031] Furthermore, the baseline starting water level threshold is set as follows: Real-time acquisition of relative humidity values ​​output by the ambient humidity sensor. According to relative humidity value The relationship with the preset humidity range, and the baseline start-up water level threshold. After correction, the dynamic starting water level threshold is obtained. The revised rules are as follows: If ,but ;like ,but ;like ,but ;in, and The preset humidity boundary point, and The correction coefficient is a positive real number, and It is used to reflect the nonlinear acceleration characteristics of condensate growth in high humidity areas.

[0032] It should be noted that dynamically adjusting the starting water level threshold of the drainage pump based on ambient humidity can effectively distinguish between actual leakage and condensate that slowly forms in a high-humidity environment, preventing frequent false starts due to humidity fluctuations, thereby extending the service life of the pump, reducing energy consumption, and improving the judgment accuracy and operational stability of the automatic pumping system.

[0033] S4. Control the start and stop of the main drainage pump according to the starting water level threshold. When the water level exceeds the preset high water level threshold, start the standby drainage pump and send a high water level signal to the elevator control system, so that the elevator car runs to the top terminal station and prohibits downward operation.

[0034] Furthermore, when the liquid level sensor detects the current water level... Greater than or equal to the preset high water level threshold When a high water level trigger signal is generated, it is transmitted to the safety input port of the elevator control system via a hard-wired switch output module or a standard communication protocol module. Upon receiving the high water level trigger signal, the elevator control system immediately performs the following operations: controls the elevator car to run at inspection speed to the top terminal station, opens the landing door and keeps it open, and cuts off the downward direction command permission. In subsequent monitoring, when the water level... Falling below the safe reset level And the duration exceeds the preset delay. Afterwards, the high water level signal was lifted, and the elevator's normal operation was restored.

[0035] Among them, dynamically determining the starting water level threshold of the drainage pump includes using the benchmark starting water level as the initial value and making positive corrections to the starting water level based on the increase in ambient humidity, thereby avoiding false starts caused by the accumulation of condensate in high humidity environments.

[0036] Before each decision to start the drainage pump, the current water level is simultaneously acquired. and the water level at the previous sampling time ; Calculate the current rate of water level change The expression is: ; in, For water level sampling cycle, and These are the water level values ​​at the current time and the previous sampling time, respectively; the drainage pump is only allowed to be started when both of the following conditions are met simultaneously, including the current water level. Rate of water level change ;in, This is a preset minimum effective rate of rise threshold used to exclude slow condensation and accumulation processes.

[0037] It should be noted that a water level change rate criterion is introduced simultaneously when controlling the start and stop of the drainage pump, and linked with the elevator safety control system. When a real high water level occurs, the backup pump is started in time and the elevator is forced to return to the top and stop moving. This not only avoids malfunctions caused by condensate accumulation, but also ensures the safety of riding the elevator in extreme water accumulation conditions, realizing intelligent coordination between drainage response and elevator operation safety.

[0038] This embodiment also provides an integrated device for waterproofing elevator pits and automatically draining accumulated water, including: Water diversion and collection module, composite waterproof module, intelligent sensing module and linkage control module.

[0039] The diversion and water collection module is used to form a V-shaped diversion slope at the bottom of the pit and position the drainage pump inlet at the lowest point of the slope, guiding the seepage water to naturally collect at the pump inlet.

[0040] The composite waterproof module is used to sequentially apply a cement-based penetrating crystalline waterproof coating layer and a polymer self-adhesive waterproof membrane layer to the bottom and side walls of the pit, and to embed water-swellable waterstop strips and pre-embedded grouting pipes at the joints between the old and new structures to build a multi-layered waterproof system.

[0041] The intelligent sensing module is used to deploy capacitive liquid level sensors and temperature and humidity sensors to collect water level data and ambient humidity data in real time, and dynamically adjust the water level threshold for starting the drainage pump based on humidity changes.

[0042] The linkage control module is used to control the start and stop of the main drainage pump based on the dynamic start water level threshold. When the water level exceeds the high water level threshold, the backup drainage pump is started and a high water level signal is sent to the elevator control system, so that the elevator car runs to the top terminal station and is prohibited from going down. At the same time, the water level change rate is combined to detect condensate accumulation to avoid false start.

[0043] This embodiment also provides a computer device applicable to the integration of waterproofing and automatic drainage of water in elevator pits, comprising: a memory and a processor; the memory is used to store computer-executable instructions, and the processor is used to execute the computer-executable instructions to realize the integration of waterproofing and automatic drainage of water in elevator pits as proposed in the above embodiment.

[0044] The computer device can be a terminal, comprising a processor, memory, communication interface, display screen, and input devices connected via a system bus. The processor provides computing and control capabilities. The memory includes non-volatile storage media and internal memory. The non-volatile storage media stores the operating system and computer programs. The internal memory provides an environment for the operation of the operating system and computer programs stored in the non-volatile storage media. The communication interface is used for wired or wireless communication with external terminals; wireless communication can be achieved through Wi-Fi, carrier networks, NFC (Near Field Communication), or other technologies. The display screen can be an LCD screen or an e-ink screen. The input devices can be a touch layer covering the display screen, buttons, a trackball, or a touchpad on the computer device's casing, or an external keyboard, touchpad, or mouse.

[0045] This embodiment also provides a storage medium storing a computer program. When executed by a processor, the program implements the integrated method for waterproofing elevator pits and automatically draining accumulated water as proposed in the above embodiments. The storage medium can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as Static Random Access Memory (SRAM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Erasable Programmable Read Only Memory (EPROM), Programmable Red-Only Memory (PROM), Read-Only Memory (ROM), magnetic storage, flash memory, magnetic disk, or optical disk.

[0046] In summary, this invention achieves efficient collection, multiple barriers, accurate identification, and safe response of seepage water in the pit by constructing four collaborative modules: water diversion and collection, composite waterproofing, intelligent sensing, and linkage control. It not only reduces the risk of water accumulation at the source by utilizing a V-shaped slope and a multi-layer waterproofing system, but also introduces a dual-condition pump start mechanism that dynamically corrects the start water level threshold based on environmental humidity and judges condensate water by combining the rate of water level change. This effectively avoids false starts caused by traditional fixed thresholds. At the same time, it automatically links with the elevator control system to force the car to return to the top and prohibits downward movement when the water level is high. This improves the operational safety, system reliability, and maintenance intelligence level of the elevator pit in complex hydrological and high humidity environments.

[0047] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. An integrated method for waterproofing and automatically draining water from elevator pits, characterized in that: include: During the pit construction phase of adding elevators to existing buildings, a water collection area with a V-shaped guide slope is formed at the bottom of the pit, and the suction inlet of the drainage pump is positioned at the lowest point of the V-shaped guide slope, so that the seepage water naturally collects to the suction inlet of the drainage pump. A cement-based penetrating crystalline waterproof coating layer and a polymer self-adhesive waterproof membrane layer are applied sequentially to the bottom and sidewall surfaces of the pit. Water-swellable waterstop strips and pre-embedded grouting pipes are also installed at the joints between the old and new structures to construct a multi-layered composite waterproof system. Capacitive liquid level sensors and temperature and humidity sensors are installed inside the pit to collect water level data and ambient humidity data in real time, and dynamically determine the starting water level threshold of the drainage pump based on the collected data. The main drainage pump is started and stopped according to the water level threshold. When the water level exceeds the preset high water level threshold, the standby drainage pump is started and a high water level signal is sent to the elevator control system, so that the elevator car runs to the top terminal station and is prohibited from going down. The dynamic determination of the starting water level threshold of the drainage pump includes using a reference starting water level as the initial value and making a positive correction to the starting water level based on the increase in ambient humidity, thereby avoiding false starts caused by the accumulation of condensate in high humidity environments.

2. The integrated method for waterproofing and automatic drainage of water accumulation in elevator pits as described in claim 1, characterized in that: The specific steps for forming a water collection area with a V-shaped guiding slope at the bottom of the pit are as follows: Before pouring the concrete for the bottom slab of the pit, a pair of symmetrical inclined templates are set in the transverse direction at the predetermined water collection position. The inner side of the templates is inclined towards the center line at an angle of θ. After pouring concrete and curing it to the design strength, the formwork is removed, so that the bottom of the pit forms a V-shaped guide slope with the center line as the lowest point; Position the drainage pump inlet on the center line of the V-shaped guide slope to ensure that the seepage water flows along both sides of the slope towards the center line under the action of gravity and collects at the drainage pump inlet.

3. The integrated method for waterproofing and automatic drainage of water accumulation in elevator pits as described in claim 2, characterized in that: The specific steps for sequentially applying the cement-based penetrating crystalline waterproof coating layer and the polymer self-adhesive waterproof membrane layer are as follows: Clean the bottom and sidewall surfaces of the pit until there is no floating dust or standing water. Apply the first coat of cement-based penetrating crystalline waterproof coating evenly to the cleaned surface using a roller. After the surface is dry, apply the second coat at an interval of no less than 6 hours. The two coats should be applied in perpendicular directions. After the second coat of coating has fully cured, lay the polymer self-adhesive waterproof membrane. The overlap width of the long and short sides of the membrane shall not be less than the specified minimum value, and the overlap shall be compacted with a pressure roller. At inside and outside corners and at detailed joints where pipes pass through walls, additional rolls of material are pre-cut to fit the shape for reinforcement.

4. The integrated method for waterproofing and automatic drainage of water in elevator pits as described in claim 3, characterized in that: The specific steps for embedding water-swellable sealing strips and pre-embedding grouting pipes at the joint between the old and new structures are as follows: A rectangular groove is excavated along the junction of the existing building foundation and the newly added pit structure, with a groove depth of [missing information]. Width is ; Embed the water-swellable sealing strip with matching cross-sectional dimensions into the bottom of the groove and compact it; A grouting pipe is placed parallel to the waterstop strip above it, with an outer diameter of [missing information]. Its axis is at a distance of from the top surface of the groove. The grouting pipe extends out of the pit at both ends and the ports are sealed. Backfill with micro-expansion cement mortar to the top of the groove to complete the waterproof construction of the joint.

5. The integrated method for waterproofing and automatic drainage of water accumulation in elevator pits as described in claim 4, characterized in that: The specific steps for dynamically determining the starting water level threshold of the drainage pump based on the collected data are as follows: Set the baseline starting water level threshold as ; Real-time acquisition of relative humidity values ​​output by the ambient humidity sensor ; Based on relative humidity value The relationship with the preset humidity range, and the baseline start-up water level threshold. After correction, the dynamic starting water level threshold is obtained. The revised rules are as follows: like ,but ;like ,but ; like ,but ; in, and The preset humidity boundary point, and The correction coefficient is a positive real number, and It is used to reflect the nonlinear acceleration characteristics of condensate growth in high humidity areas.

6. The integrated method for waterproofing and automatic drainage of water in elevator pits as described in claim 5, characterized in that: The specific steps for sending a high water level signal to the elevator control system are as follows: When the liquid level sensor detects the current water level Greater than or equal to the preset high water level threshold At that time, a high water level trigger signal is generated; The high water level trigger signal is transmitted to the safety input port of the elevator control system via a hard-wired switch output module or a standard communication protocol module. Upon receiving the high water level trigger signal, the elevator control system immediately performs the following operations: Control the elevator car to run at inspection speed to the top terminal station, open the landing door and keep it open, and cut off the authorization for the downward direction command; In subsequent monitoring, when the water level Falling below the safe reset level And the duration exceeds the preset delay. Afterwards, the high water level signal was lifted, and the elevator's normal operation was restored.

7. The integrated method for waterproofing and automatic drainage of water in elevator pits as described in claim 6, characterized in that: To avoid false starts caused by condensation buildup in high humidity environments, the specific steps are as follows: Before each decision to start the drainage pump, the current water level is simultaneously acquired. and the water level at the previous sampling time ; Calculate the current rate of change of water level The expression is: ; in, For water level sampling cycle, and These are the water level values ​​at the current time and the previous sampling time, respectively; The drain pump may be started only if both of the following conditions are met: Current water level ; Rate of change of water level ; in, This is a preset minimum effective rate of rise threshold used to exclude slow condensation and accumulation processes.

8. An integrated device for waterproofing and automatically draining water from elevator pits, based on the integrated method for waterproofing and automatically draining water from elevator pits as described in any one of claims 1 to 7, characterized in that: include: Water diversion and collection module, composite waterproof module, intelligent sensing module and linkage control module; The water diversion and collection module is used to form a V-shaped diversion slope at the bottom of the pit and position the drainage pump inlet at the lowest point of the slope, so as to guide the seepage water to naturally collect to the pump inlet. The composite waterproof module is used to sequentially apply a cement-based penetrating crystalline waterproof coating layer and a polymer self-adhesive waterproof membrane layer to the bottom surface and side walls of the pit, and to embed water-swellable waterstop strips and pre-embedded grouting pipes at the joints between the old and new structures to construct a multi-line waterproof system. The intelligent sensing module is used to deploy a capacitive liquid level sensor and a temperature and humidity sensor to collect water level data and ambient humidity data in real time, and dynamically adjust the water level threshold for starting the drainage pump based on humidity changes. The linkage control module is used to control the start and stop of the main drainage pump according to the dynamic start water level threshold. When the water level exceeds the high water level threshold, the backup drainage pump is started and a high water level signal is sent to the elevator control system, so that the elevator car runs to the top terminal station and is prohibited from going down. At the same time, the water level change rate is combined to determine the accumulation of condensate to avoid false start.

9. A computer device comprising a memory and a processor, wherein the memory stores a computer program, characterized in that: When the processor executes the computer program, it implements the steps of the integrated method for waterproofing and automatic drainage of water accumulation in elevator pits as described in any one of claims 1 to 7.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by the processor, it implements the steps of the integrated method for waterproofing and automatic drainage of water accumulation in elevator pits as described in any one of claims 1 to 7.

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