Intelligent waterproof device for elevator

Abstract

The utility model relates to an intelligent waterproof device for an elevator, which comprises a water level detector, a water pumping pump and a controller, and the water level detector is in communication connection with the controller for data transmission; the controller controls the water pumping pump to be started; the water pumping pump is arranged in an elevator shaft and used for sucking and discharging accumulated water in an elevator pit. According to the intelligent waterproof device for the elevator, accumulated water can be automatically drained according to the water level condition of the elevator pit, equipment in the elevator pit is prevented from being soaked in water for a long time and damaged, and the safety of the elevator is improved.

Description

Technical Field

[0001] The utility model relates to the field of elevator safety auxiliary devices, in particular to an intelligent elevator waterproof device. Background Art

[0002] In recent years, with the advancement of urbanization and the improvement of residents' living standards, elevators have become indispensable vertical transportation tools in people's production and life. People have also paid more and more attention to the safety, reliability, stable performance, good comfort, energy conservation and environmental protection, and riding safety of elevators. Among them, a large number of mechanical and electrical equipment such as a pit inspection box, a buffer, and a tension pulley are installed inside the elevator pit, which is closely related to riding safety. However, the elevator pit is located in the shaft part below the lowest landing served by the elevator car, and water easily seeps into the elevator pit to form accumulated water, resulting in the elevator equipment in the pit being soaked by water and damaged, and further possibly causing elevator failures and trapping people in the elevator. Therefore, how to prevent the damage of elevator pit equipment caused by water ingress into the elevator pit and further cause elevator failures and entrapment of people has become an urgent problem to be solved.

[0003] After retrieval, for example, a patent with the patent number 202110865108.7 discloses a device for detecting water ingress into an elevator pit, including a floating ball, a controller, a warning device, a water pump, etc. When the floating ball reaches the preliminary warning water level, the controller and the warning device are turned on. The controller sends a signal to the maintenance personnel to notify the maintenance personnel that there is accumulated water in the elevator pit. The warning device sends a signal to remind the passengers, and then the elevator operates normally when the accumulated water does not affect the use of the elevator; when the floating ball reaches the emergency warning water level, the elevator is controlled to open and stop running on the nearest floor to prevent the accumulated water from causing elevator failures and injuring the passengers. The warning device continuously sends signals to remind the passengers. After the elevator maintenance personnel arrive, the water pump is manually turned on for drainage maintenance.

[0004] However, the existing elevator waterproof warning device can only prompt the water level situation and cannot realize timely drainage. The water pump in the pit still needs to be manually turned on after the maintenance personnel arrive. Therefore, the elevator pit will continue to accumulate water before the maintenance personnel arrive, increasing the risk of the accumulated water in the pit exceeding the warning position and increasing the risk of equipment being damaged by soaking in water. In addition, passengers need to wait for a long time for elevator maintenance, which cannot meet the needs of some special groups such as the physically disabled and pregnant women. Summary of the Utility Model

[0005] Based on this, the purpose of the present utility model is to overcome the defects or deficiencies of the prior art and provide an intelligent elevator waterproof device with comprehensive functions, simple structure, concise appearance, convenient installation, safety and reliability.

[0006] The intelligent elevator waterproof device includes a water level detector, a water pump, and a controller. The water level detector is communicatively connected to the controller for data transmission. The controller controls the water pump to turn on. The water pump is arranged in the elevator shaft and sucks and discharges the accumulated water in the elevator pit.

[0007] The intelligent elevator waterproof device of the present utility model can automatically discharge the accumulated water according to the water level in the elevator pit, avoiding the equipment in the elevator pit from being damaged by long-term water immersion, and improving the safety of the elevator.

[0008] Furthermore, it further includes a protective shell. The protective shell includes a front cover and a rear cover. The front cover and the rear cover are hinged and enclose to form a cavity structure. The controller is arranged in the cavity structure. The protective shell protects the controller and improves the durability and stability of the intelligent elevator waterproof device.

[0009] Furthermore, the surface of the protective shell is provided with a convex structure or a light source to help the management personnel quickly find the controller and take corresponding actions in case of emergency, ensuring the safety of passengers taking the elevator.

[0010] Furthermore, the controller includes a control chip and a timer communicatively connected to the control chip.

[0011] Furthermore, the controller further includes a counter communicatively connected to the control chip, realizing precise control of the opening or closing of the water pump.

[0012] Furthermore, the height of the controller from the ground of the elevator pit is 0.3 to 1 meter, which is convenient for maintenance personnel to check and repair.

[0013] Furthermore, it further includes a voice alarm communicatively connected to the controller. The voice alarm is installed in the elevator car or above the hall door on the first floor of the elevator. The voice alarm can prompt the passengers taking the elevator that there is water in the elevator pit at this time and they should avoid using the elevator, playing a role of safety reminder.

[0014] Furthermore, the voice alarm includes an independent memory, and the independent memory stores voice data, which is beneficial to meeting the needs of different user groups.

[0015] Furthermore, the voice alarm includes a power amplifier, and the power amplifier enhances the volume of the voice alarm.

[0016] Furthermore, it further includes a flash alarm communicatively connected to the controller. The flash alarm can prompt the passengers taking the elevator that there is water in the elevator pit at this time and they should avoid using the elevator, playing a role of safety reminder.

[0017] For better understanding and implementation, the present utility model will be described in detail below with reference to the accompanying drawings. Description of the Drawings

[0018] Figure 1 This is the overall structural schematic diagram of the elevator intelligent waterproof device of the present application;

[0019] Figure 2 These are the front view and side view of the controller of the present application;

[0020] Figure 3 This is the connection diagram of the control chip and each component of the present application;

[0021] Figure 4 These are the three-dimensional view, front view, top view, left view and rear view of the protective case of the present application;

[0022] Figure 5 This is the working principle flow chart of the elevator intelligent waterproof device of the present application.

[0023] Description of the Drawings: Water level detector 10, water pumping pump 20, motor 21, water inlet pipe 22, water outlet pipe 23, sound and light alarm 30, power amplifier 31, independent memory 32, controller 40, control chip 41, relay 42, switch 43, controller housing 44, display 45, protective case 50, front cover 51, rear cover 52. Detailed Description of the Invention

[0024] Please refer to Figure 1 , which is the overall structural schematic diagram of the elevator intelligent waterproof device of the present application. This elevator intelligent waterproof device is installed in the elevator shaft 1 and includes a water level detector 10, a water pumping pump 20, a sound and light alarm 30 and a controller 40. The water level detector 10 is communicatively connected to the controller 40 for data transmission. After receiving the water level information from the water level detector 10, the controller 40 controls the water pumping pump 20 to start through the circuit signal system to drain the water outside the elevator pit; at the same time, it controls the sound and light alarm 30 to give voice prompts and flash prompts.

[0025] Specifically, the water level detector 10 is arranged at the bottom of the elevator shaft 1. When water seeping in from the outside accumulates at the bottom of the elevator shaft 1 (elevator pit), as the water volume accumulates, the water level detector 10 arranged at the bottom of the elevator shaft 1 can timely and accurately detect the water level condition of the accumulated water at the bottom of the elevator pit and transmit the water level data to the controller 40. The water level detector 10 is preferably a radar level gauge, which can achieve high-precision real-time detection of the water level state.

[0026] The pumping water pump 20 is arranged in the elevator shaft and includes a motor 21, a water inlet pipe 22 and a water outlet pipe 23. The water outlet pipe 23 is connected to the drainage system of the building where the elevator system is located. Since the accumulated water in the elevator pit is mainly infiltrated rainwater, it can be directly discharged through the building's drainage system as ordinary domestic sewage without installing a sewage treatment device. Therefore, the pumping water pump 20 of this application has the advantage of being easy to install.

[0027] The sound and light alarm 30 is communicatively connected to the controller 40 and is installed inside the elevator car or above the landing door on the first floor of the elevator. The installation of the sound and light alarm 30 is simple. Only screw holes need to be drilled above the elevator landing door and the controller 40 is connected with wires, and it can be installed on the existing elevator. This application does not limit the position of the sound and light alarm 30. The position of the sound and light alarm 30 can be flexibly changed according to the actual needs of the elevator installation site to meet the personalized decoration needs of customers. Specifically, the sound and light alarm 30 includes a flashing alarm and a voice alarm. The flashing alarm can emit flashing light. The voice alarm can send a voice reminder of the accumulated water danger to the user. Further, the voice alarm further includes a power amplifier 31, and the power amplifier 31 is used to enhance the volume of the voice alarm to ensure that the danger alarm can spread to each floor of the elevator. Further, since there is still a problem that the user cannot change the broadcast content after the voice alarm of the prior art leaves the factory, therefore, this application further sets an independent memory 32 in the voice alarm. The independent memory 32 can be taken out separately and read and written. Preferably, it is an SD card, and the SD card can be used to store personalized warning voice data. The independent memory 32 set in this application is beneficial to meeting the needs of different user groups. For example, the voice content of the voice alarm of the prior art is mainly broadcast in Mandarin, without considering the application scenarios in different regions where people often communicate in local dialects. Especially the older people may only understand the dialect. Therefore, the user can store the dialect voice package in the independent memory 32 of this application to meet the needs of different people.

[0028] The controller 40 is installed in the elevator shaft 1, and the height from the bottom pit floor is 0.3 to 1 meter. In a general elevator shaft, a bottom pit maintenance box is usually set at a height of 0.5 meters from the bottom pit floor. Therefore, the height of the controller 40 from the bottom pit floor is preferably 0.5 meters, which is convenient for maintenance personnel to check and repair when they perform routine maintenance on the elevator.

[0029] Please refer to Figure 2, which are the front view and side view of the controller of the present application. The controller 40 specifically includes a control chip 41, a switch 43, and a controller housing 44. In this embodiment, the control chip 41 has a built-in operating program, and the operating program controls the setting or resetting of the communication connection signal. It is arranged inside the controller housing 44, used to receive the water level data of the water level detector 10, and can automatically control the opening or closing of the pumping water pump 20 through a relay 42 according to the water level data. At the same time, it pushes the water level condition information of the elevator pit to the monitoring and management personnel in the duty room. Preferably, the control chip 41 is an IC chip or a CPU chip. For the schematic diagram of the communication connection relationship between the control chip 41 and each component of the present application, please refer to Figure 3 .

[0030] The switch 43 is arranged on the surface of the controller housing 44 and is connected to the control chip 41. The switch 43 is preferably a push-button switch, and the user can press the push-button switch to control the control chip 41, thereby realizing manual control of the opening or closing of the pumping water pump 20.

[0031] As a further optimization of the above solution, the controller 40 further includes a timer communicatively connected to the control chip 41. When the control chip 41 controls the pumping water pump 20 to start, the timer starts timing, and the counted time is the running time of the pumping water pump 20. Before the time counted by the timer reaches the preset time of the control chip 41, the sound and light alarm 30 will continue to work, emitting voice prompts and flash prompts. When the time counted by the timer reaches the preset time of the control chip 41 and the detected water level of the water level detector 10 is lower than the warning value, the control chip 41 controls the pumping water pump 20 to close. The preset time is calculated and determined according to the orthographic projection area of the elevator pit and the pumping flow rate of the pumping water pump 20. The timer is correspondingly connected to the switch arranged on the surface of the controller housing 44, and the user can manually set the preset time by pressing the switch as needed.

[0032] Furthermore, the technicians found that when the above elevator intelligent waterproof device is applied in some scenarios where the elevator pit often accumulates water, due to frequent water accumulation, the alarm prompts are also relatively frequent. The pumping water pump 20 can often drain the accumulated water in time and eliminate the risks, which makes some passengers relax their vigilance and still choose to take the elevator under certain risks. In this case, the pumping water pump 20 is used frequently and is more likely to be damaged, bringing other risks to the passengers who continue to take the elevator believing in the water pump drainage system. In addition, when there is frequent water accumulation, if the maintenance personnel cannot promptly realize that cracks may have occurred in the walls and other positions in the elevator shaft, resulting in abnormal water accumulation, and only check whether the elevator equipment is abnormal, the problem cannot be fundamentally solved. Subsequently, the maintenance personnel need to go to repair the elevator multiple times, resulting in waste of resources. In addition, the elevator operation will also be suspended during the maintenance process, affecting the normal use of passengers.

[0033] In response to the above problems, the present application further sets a counter. The counter is communicatively connected to the control chip 41 and is used to record the number of times the water pump is turned on. Each time the control chip 41 controls the pumping water pump 20 to turn on, the count of the counter is incremented by one. The count of the counter reflects the number of times the pumping water pump 20 is turned on. The maintenance personnel can assist in judging whether there are abnormal phenomena such as frequent seepage of water in the elevator shaft according to the number of times the water pump is turned on. Thus, when receiving the alarm information of the intelligent waterproof device, the elevator can be maintained in time, and the cause of the abnormal phenomenon can be investigated, helping the repair and maintenance personnel to fundamentally solve the problem of water seepage and water accumulation in the elevator in time. In addition, recording the number of times the water pump is turned on is beneficial to understanding the usage situation of the pumping water pump 20, and replacing the pumping water pump in time when approaching the service life of the pumping water pump to ensure that the pumping water pump 20 can work normally when encountering water accumulation and guarantee the safety of passengers taking the elevator.

[0034] Furthermore, it further includes a display 45. The display 45 is arranged on the surface of the controller housing 44 and displays the current running time and the number of times the pumping water pump 20 is turned on recorded by the current timer and counter.

[0035] Furthermore, the elevator intelligent waterproof device of the present application also sets a protective case 50 for protecting the controller 40. Please refer to Figure 4, which is a schematic diagram of the protective case of the present application. The protective case 50 is provided with a cavity structure, and the controller 40 is arranged inside the cavity structure. The protective case 50 includes a front cover 51 and a rear cover 52. The front cover 51 and the rear cover 52 are hinged and surrounded to form a cavity structure. The rear cover 52 is fixed on the elevator shaft wall or the elevator car wall, and the front cover 51 can be flipped around the rear cover 52 to realize opening and closing. Preferably, the front cover 51 and the rear cover 52 are integrally formed, the cavity structure is a square box structure, and the material is preferably ABS resin material. The integrally formed protective case 50 can reduce the use of connecting parts such as metal screws, and has the advantages of simple and convenient assembly. The square box structure can effectively prevent external impacts and play a good role in protecting the electrical components inside the protective case 50. Further, the front cover 51 and the rear cover 52 are fixedly connected by buckles. In some embodiments, the front cover 51 is provided with prominent structures, emergency light sources, red paint coatings and other prominent signs (not shown in the figure) to help the management personnel quickly find the controller 40 and take corresponding actions in case of emergency, so as to ensure the safety of passengers taking the elevator.

[0036] Please refer to Figure 5 , the working process of the intelligent waterproof device of the elevator of the present application: The water level detector 10 continuously detects the water level condition at the bottom of the elevator shaft pit and transmits the water level data to the controller 40; the control chip 41 of the controller 40 judges whether the current water level reaches the warning value. If so, the alarm signal is set, and the flashing alarm and the voice alarm are controlled to respectively emit a flashing prompt and a voice prompt. Among them, the controller 40 reads the voice content stored in the voice alarm for playback and amplifies the sound through the power amplifier 31 to prompt the passengers that there is water in the elevator pit at this time and the elevator cannot be used. While the acoustic-optic alarm emits an alarm prompt, the controller 40 sets the water pump signal and controls the water pump 20 to start; after the water pump 20 starts, it sucks in the accumulated water from the water inlet pipe and discharges the accumulated water from the water outlet pipe into the drainage system, so that the water level in the elevator pit drops. At the same time, the timer and the counter record the start time and the number of times of the water pump 20 and display them on the display 45. When the start time of the water pump 20 is greater than or equal to the preset time, the controller 40 controls the water pump 20 to close; or the maintenance personnel go to the position of the controller 40, open the front cover 51, and control the water pump 20 to close by pressing the corresponding switch 43. After the water pump 20 is controlled to close, the timer is reset. The water level detector 10 continuously detects the water level condition at the bottom of the elevator shaft pit, and repeats the above working process when the water level reaches the warning value next time.

[0037] Compared with the prior art, the elevator intelligent waterproof device of the present application can automatically drain accumulated water according to the water level in the elevator pit, improving the safety of the elevator. A protective shell for protecting the controller is further provided, improving the durability and stability of the elevator intelligent waterproof device. A timer is further provided to achieve precise control of the opening or closing of the water pump. In addition, the set counter is conducive to assisting maintenance personnel in judging whether abnormal phenomena occur, predicting the service life of the water pump and performing timely maintenance. An audible and visual alarm is also provided to timely remind passengers to leave the elevator through voice and flash prompts.

[0038] The above-described embodiments only represent several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and the present utility model also intends to include these changes and modifications.

Claims

1. An elevator intelligent waterproof device, characterized in that: It includes a water level detector, a water pump and a controller. The water level detector is connected to the controller for communication to transmit data. The controller controls the water pump to start. The water pump is arranged in the elevator shaft to absorb the water accumulated in the elevator pit and discharge it.

2. The intelligent waterproof device for elevators according to claim 1, characterized in that: It also includes a protective shell, which includes a front cover and a rear cover. The front cover and the rear cover are hinged and enclosed to form a cavity structure, and the controller is arranged in the cavity structure.

3. The intelligent waterproof device for elevators according to claim 2, characterized in that: A protruding structure or a light source is arranged on the surface of the protective shell.

4. The intelligent waterproof device for elevators according to claim 1, characterized in that: The controller includes a control chip and a timer which is communicatively connected to the control chip.

5. The intelligent waterproof device for elevators according to claim 4 is characterized in that: The controller also includes a counter that is communicatively connected to the control chip.

6. The intelligent waterproof device for elevators according to claim 1, characterized in that: The height of the controller from the elevator pit floor is 0.3 to 1 meter.

7. The intelligent waterproof device for elevators according to claim 1, characterized in that: It also includes a voice alarm connected to the controller for communication, and the voice alarm is installed in the elevator car or above the hall door outside the first floor of the elevator.

8. The intelligent waterproof device for elevators according to claim 7, characterized in that: The voice alarm includes an independent memory, and the independent memory stores voice data.

9. The intelligent waterproof device for elevators according to claim 8, characterized in that: The voice alarm includes a power amplifier, which increases the volume of the voice alarm.

10. The intelligent waterproof device for elevators according to claim 9, characterized in that: Also included is a flash alarm communicatively connected to the controller.

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