CN210084677U

CN210084677U - Elevator shaft safety guarantee system

Info

Publication number: CN210084677U
Application number: CN201920440596.5U
Authority: CN
Inventors: 刘柏志; 刘英杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-02-18
Anticipated expiration: 2029-04-02

Abstract

The embodiment of the utility model discloses an elevator shaft safety guarantee system, which relates to the field of elevator equipment and comprises an air cushion, a pressure detection module, an infrared induction module, a control module and an air pump; the air cushion is arranged at the bottom of the elevator shaft and used for providing buffering for a person falling into the elevator shaft so as to reduce the impact on the body of the person falling into the elevator shaft; the pressure detection module is used for detecting the pressure value of the air cushion and converting the pressure value into a pressure electric signal; the infrared sensing module is used for sensing human infrared rays and converting the human infrared rays into sensing electric signals; the control module is respectively and electrically connected with the elevator main controller, the pressure detection module and the infrared sensing module. When infrared induction module senses that personnel fall into the well, control module sends stop work instruction to elevator main control unit, and elevator main control unit control elevator stop work prevents to fall into the well personnel after elevator box or the whereabouts of elevator balancing weight and causes the secondary injury.

Description

Elevator shaft safety guarantee system

Technical Field

The embodiment of the utility model provides a relate to elevator equipment field, concretely relates to elevartor shaft safety guarantee system.

Background

Along with the development of society, the use of elevators is more and more common, and the elevator is most common in places such as office buildings, residential buildings and the like from the original use in commercial buildings and hotels, and the popularization of the vertical elevator brings convenience to the life of people, but the accompanying elevator accidents are gradually increased, and people are more and more concerned about the safety protection measures of the vertical elevator.

At present, common elevator protection measures are numerous, generally comprise an elevator speed limiter, a safety clamp, a rope clamp, a car squatting pot buffer, a safety touch panel, a landing door lock, an elevator safety window, an elevator overload limiting device, a limit switch device and the like, are all protection from the angle of preventing the elevator car from falling into a well and protecting passengers in the car, but in the case that the doors of the elevator floor are not normally opened for human or non-human reasons, and the elevator car is not stopped at the floor, or the elevator is suddenly powered off and passengers forcibly open the car door due to panic, the accident of falling of the personnel into the well is very easy to happen, therefore, the existing elevator protection measures still have the problem of poor protection effect, moreover, the elevator protection measures only protect the falling personnel before the falling accident happens, and the falling personnel cannot be protected after the falling accident happens.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides an elevator shaft safety guarantee system to there is the poor problem of protecting effect in solving current elevator safeguard measure.

In order to realize the above-mentioned purpose, the embodiment of the utility model provides an elevator shaft safety guarantee system, elevator shaft safety guarantee system includes:

the air cushion is arranged at the bottom of the elevator shaft and used for providing buffering for a person falling into the elevator shaft so as to reduce the impact on the body of the person falling into the elevator shaft;

the pressure detection module is used for detecting the pressure value of the air cushion and converting the pressure value into a pressure electric signal;

the infrared sensing module is used for sensing human infrared rays and converting the human infrared rays into sensing electric signals;

and the control module is respectively and electrically connected with the elevator main controller, the pressure detection module and the infrared sensing module.

Further, the elevator shaft safety guarantee system further comprises an air pump, an air outlet of the air pump is connected with an air inlet of the air cushion through a pipeline, and the air pump is electrically connected with the control module through a relay.

Further, the thickness of the inflated air cushion is more than 1.5 m.

Further, the infrared induction module is installed on the lateral wall of the elevator shaft, and the distance between the infrared induction module and the bottom of the elevator shaft is larger than 2 m.

Further, the control module is a single chip microcomputer.

Furthermore, the type of the single chip microcomputer is STC89C52, and the type of the infrared induction module is AS 082-2P.

The embodiment of the utility model provides a have following advantage: the elevator shaft safety guarantee system provided by the embodiment of the utility model provides buffering for falling persons by arranging the air cushion at the shaft bottom of the elevator shaft, so as to reduce the impact on the body of the falling persons after falling; when infrared induction module senses that personnel fall into the well, control module sends stop work instruction to elevator main control unit, and elevator main control unit control elevator stop work prevents to fall into the well personnel after 7 or the elevator balancing weight whereabouts of elevator and causes the secondary injury.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic structural view of an elevator shaft safety guarantee system provided by an embodiment of the present invention;

fig. 2 is a schematic diagram of connection between a control module and other modules according to an embodiment of the present invention.

Description of reference numerals: 1. an air cushion; 2. a pressure detection module; 3. an infrared sensing module; 4. a control module; 5. an air pump; 6. a relay; 7. an elevator car body; 8. an elevator main controller.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, elevator shaft safety guarantee system includes air cushion, pressure detection module 2, infrared induction module 3 and control module 4, and the air cushion sets up in the shaft bottom of elevator shaft, and the air cushion is used for providing the buffering for the personnel that fall into the well to reduce the striking that the personnel fell into the well after the health received. The thickness of the inflated air cushion is larger than 1.5m, the air cushion is made of high-strength fiber materials with flame retardant property, and the inflated air cushion has the characteristics of flame retardance, wear resistance, aging resistance, convenience in folding, long service life and the like. The upper surface of the air cushion is provided with a concave part which is sunken downwards so as to prevent a person falling into the well from rebounding to cause secondary injury.

As shown in fig. 2, the pressure detecting module 2 is used for detecting the pressure value of the air cushion and converting the pressure value into a pressure electric signal, and the pressure detecting module 2 may be installed on the air cushion or on a pipeline between the air pump 5 and the air cushion. The infrared induction module 3 is used for sensing human infrared rays and converting the human infrared rays into an induction electric signal, the infrared induction module 3 is installed on the side wall of the elevator shaft, the distance between the infrared induction module 3 and the bottom of the elevator shaft is larger than 2m, and the type of the infrared induction module 3 is AS082-2P in the embodiment. Control module 4 respectively with elevator main control unit 8,

pressure detection module

2, 3 electricity of infrared induction module are connected, control module 4 is used for receiving the pressure electricity signal and sends measured pressure value to elevator main control unit 8 through the communication serial ports, elevator main control unit 8 drive elevator's display screen shows measured pressure value, elevator main control unit 8 still can compare measured pressure value with the pressure value of predetermineeing simultaneously, if the pressure value in the air cushion is less than the pressure value of predetermineeing, the alarm of elevator main control unit 8 drive elevator sends the chimes of doom, remind the staff in time to inspect the atmospheric pressure of air cushion. Control module 4 still is used for receiving the response signal of telecommunication that infrared induction module 3 sent to send stop work instruction to elevator main control unit 8, elevator main control unit 8 control elevator stop work, prevent to cause the secondary injury to the personnel of falling into the well after elevator box 7 or the whereabouts of elevator balancing weight. Control module 4 is the singlechip in this embodiment, the singlechip can use the battery power supply of independent setting, the battery is connected with the power supply port electricity of singlechip, of course, the low voltage direct current power supply that also can use the elevator to provide, the model of singlechip is STC89C52, pressure detection module 2's power foot (VCC foot) and infrared induction module 3's power foot (VCC foot) are connected with the +3.3V power port electricity of singlechip respectively, pressure detection module 2's ground pin (GND foot) and infrared induction module 3's ground pin (GND foot) are connected with the ground connection port electricity of singlechip respectively, pressure detection module 2's high-low level output foot is connected with the first GPIO port electricity of singlechip, infrared induction module 3's signal output foot is connected with the second GPIO port electricity of singlechip.

The working principle is as follows: after the personnel fall into the well, fall into the well personnel and can follow the elevartor shaft whereabouts, when falling into the detection zone of infrared induction module 3 among the personnel's of falling into the well, the infrared signal that the human body sent is sensed by infrared induction module 3, human infrared ray that infrared induction module 3 will sense is converted into the response signal of telecommunication and is sent to control module 4, control module 4 sends out stop work instruction to elevator main control unit 8, elevator main control unit 8 control elevator stop work, prevent to fall into the well personnel and cause the secondary injury after elevator box 7 or the whereabouts of elevator balancing weight.

Further, in order to prevent that the air cushion from placing the inside pressure after a period of time and reducing the utility model discloses an elevator shaft safety guarantee system still includes air pump 5 in another embodiment, and air pump 5's gas outlet passes through the pipeline and is connected with the air inlet of air cushion, and air pump 5 is connected with control module 4 electricity through relay 6, specifically, relay 6's signal input pin is connected with the third GPIO port electricity of singlechip, and relay 6's power output pin is connected with air pump 5's power input port electricity. When the pressure value in the air cushion is smaller than the preset pressure value, the control module 4 controls the relay 6 to be conducted, the air pump 5 works, and air is pumped into the air cushion; when the pressure value in the air cushion is equal to or slightly larger than the preset pressure value, the control module 4 controls the relay 6 to be disconnected, and the air pump 5 stops working.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. An elevator hoistway safety assurance system, characterized in that the elevator hoistway safety assurance system comprises:

the air cushion is arranged at the bottom of the elevator shaft and used for providing buffering for a person falling into the elevator shaft so as to reduce the impact on the body of the person falling into the elevator shaft, and a concave part which is sunken downwards is arranged on the upper surface of the air cushion;

the control module is respectively and electrically connected with the elevator main controller, the pressure detection module and the infrared sensing module;

the elevator shaft safety guarantee system further comprises an air pump, an air outlet of the air pump is connected with an air inlet of the air cushion through a pipeline, and the air pump is electrically connected with the control module through a relay.

2. Elevator shaft safety and safety system according to claim 1, characterized in that the inflated thickness of the air cushion is more than 1.5 m.

3. Elevator shaft safety and safety system according to claim 2, characterized in that the infrared sensing module is mounted on the side wall of the elevator shaft, the distance between the infrared sensing module and the bottom of the elevator shaft being greater than 2 m.

4. The elevator shaft safety and security system of claim 1 or 2, wherein the control module is a single chip microcomputer.

5. The elevator shaft safety guarantee system of claim 4, wherein the single chip microcomputer is of a type STC89C52, and the infrared sensing module is of a type AS 082-2P.