CN212374678U - Diffuse reflection anti-collision device for freight elevator - Google Patents

Diffuse reflection anti-collision device for freight elevator Download PDF

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Publication number
CN212374678U
CN212374678U CN201922443409.1U CN201922443409U CN212374678U CN 212374678 U CN212374678 U CN 212374678U CN 201922443409 U CN201922443409 U CN 201922443409U CN 212374678 U CN212374678 U CN 212374678U
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China
Prior art keywords
diffuse reflection
elevator
door
reflection sensor
lift
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Active
Application number
CN201922443409.1U
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Chinese (zh)
Inventor
钟民景
刘向民
黄健健
林景宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lingwang Elevator Co.,Ltd.
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Winone Elevator Co Ltd
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Priority to CN201922443409.1U priority Critical patent/CN212374678U/en
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Abstract

The utility model belongs to the technical field of elevator safety inspection equipment technique and specifically relates to a diffuse reflection buffer stop for cargo elevator, including layer door, sedan-chair door machine, car door, buffer stop, detection lift-cabin door switching state's travel switch and lift-cabin door control system, buffer stop be connected with lift-cabin door control system electricity, travel switch electricity respectively connect buffer stop and lift-cabin door control system, buffer stop include diffuse reflection optical sensor and elevator light curtain. The utility model discloses avoided transportation equipment striking lift-cabin door or taken place by the condition that the lift-cabin door pressed from both sides, improved the security that the elevator used, its simple structure, easy to assemble and easy and simple to handle, it is high to detect the precision, and response speed is fast, helps promoting the development of elevator transportation technique.

Description

Diffuse reflection anti-collision device for freight elevator
Technical Field
The utility model belongs to the technical field of elevator safety inspection equipment technique and specifically relates to a diffuse reflection buffer stop for cargo elevator.
Background
With the development of elevator technology, safety protection is increasing, the safety operation of an elevator door system is protected in order to avoid potential threats of the elevator door to passengers and goods, and elevator door protection systems in various forms are designed according to the relevant national standard GB7588-2003 elevator manufacturing and installation safety specification. In elevators, there are two main techniques for preventing passengers from being injured by the elevator during the door closing process:
1. safety touch panel protection device. The safety contact plate protection devices are arranged on two sides of the elevator car door, when the elevator is closed, and passengers or goods are in the door opening and closing range of the elevator door, the elevator is prevented from being closed, the passengers or the goods can touch the safety contact plate firstly, the safety contact plate acts to trigger an elevator re-opening instruction, and the elevator door is enabled to be opened again.
2. Elevator light curtain protection device. The elevator light curtain protection device consists of an infrared emitter and an infrared receiver which are respectively arranged at two sides of an elevator car door, when the elevator is closed, if goods or passengers pass through the door opening and closing range in a door area, when the elevator door does not touch the goods or the passengers, the goods or the passengers block the infrared ray of the light curtain protection device to trigger the elevator to reopen the door, so that the elevator door is reopened.
At present, the demand of elevators in houses, office buildings, businesses and other occasions is continuously increased, and when transportation equipment or passengers carry out the elevator car, the elevator car is accidentally injured due to improper equipment operation, so that the elevator car door is damaged by collision, the elevator car door is deformed, and the elevator is in failure. When the elevator is closed, the width between the elevator doors is the passing width of the transportation equipment, and the transportation equipment is long in size, the rear end of the transportation equipment cannot reach the induction area of the protection device even if the front end of the transportation equipment enters the plane where the elevator door frame is located, and the elevator door safety protection device cannot play a role. At the moment, the elevator door is still closed, and because the transportation equipment is provided with a heavy object, the transportation equipment cannot be stopped at once due to large inertia, so that the transportation equipment impacts the closed elevator door, and the elevator door is damaged or accidents are caused.
In the patent technology of the utility model CN201320793769.4 entitled "an elevator door anti-collision device" disclosed in the chinese patent document, there is disclosed a device for sensing an object about to enter an elevator by a diffuse reflection switch provided outside a hall door, in the process of closing the door of the elevator door, people or articles can be effectively predicted to enter the elevator, a signal is sent to enable the control switch to act, and the articles or the people are prevented from touching the closed elevator door, but in the technical scheme, two diffuse reflection switches are required to be used, the installation cost is high, the sensing detection range of the diffuse reflection switch has an overlapping part, which causes resource waste, in addition, the diffuse reflection switch is arranged at the position with the height of 30mm, for people with high body shape and long legs, the people can cross the detection areas on the left side and the right side by one step, so that detection blind areas exist, and the goods are generally stacked upwards, for example, the situation that the false triggering exists in a low-altitude area is simply detected. Therefore, there is a need to provide a new anti-collision elevator to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an one of the purposes lies in providing one kind and detects the safe operation that the precision is high, use cost is low, response speed is fast can compromise the elevator simultaneously, ensures that the lift-cabin door can not open by mistake or not open a diffuse reflection buffer stop for cargo elevator.
The technical scheme of the utility model as follows:
the diffuse reflection anti-collision device for the freight elevator comprises a landing door, a car door motor, a car door, an anti-collision device and a travel switch and a car door control system, wherein the travel switch and the car door control system are used for detecting the opening and closing states of the landing door and the car door, the anti-collision device is electrically connected with the car door control system, the travel switch is electrically connected with the anti-collision device and the car door control system respectively, the anti-collision device comprises a diffuse reflection sensor and an elevator light curtain, the diffuse reflection sensor is installed on the car door motor, the elevator light curtain is installed on the car door, and the elevator light curtain and the diffuse reflection sensor are electrically connected with the car door control system respectively.
Preferably, the number of the diffuse reflection sensors is one, and one diffuse reflection sensor is arranged in the middle of the car door machine.
Preferably, the distance between the diffuse reflection sensor and the ground is more than 2 meters, the signal range of the diffuse reflection sensor is not less than 2.5 meters, and the vertical included angle between the diffuse reflection sensor and the landing door is 55 degrees.
Preferably, the travel switch is arranged at the installation position of the diffuse reflection sensor and is installed in parallel at the position 100 mm away from the door opening direction of the elevator car door.
Preferably, the car door machine is provided with an adjusting seat for installing and fixing the diffuse reflection sensor.
Preferably, the adjusting seat comprises a fixed base, a hinged seat and a connecting piece, wherein the hinged seat is connected with the diffuse reflection sensor, and the base and the hinged seat are respectively of a square tube structure which is communicated in two directions and a U-shaped clamping structure.
Preferably, the base both sides be equipped with vertical waist round hole respectively, the clamping part of hinge seat both sides on be equipped with the horizontal waist round hole that vertical waist round hole on the cooperation base used, vertical waist round hole and horizontal waist round hole carry out angle and height and counterpoint the adjustment after use the connecting piece to lock fixedly.
Preferably, a warning lamp is arranged on the landing door below the diffuse reflection sensor.
The utility model has the advantages that: the utility model provides a diffuse reflection buffer stop for cargo elevator is through installing diffuse reflection sensor on sedan-chair door machine, the elevator can stop to close the action when transportation equipment enters into diffuse reflection response region, and for opening the door action, thereby avoided the condition emergence that transportation equipment striking lift-cabin door or was pressed from both sides by the lift-cabin door, the security that improves the elevator and use, and the elevator light curtain is located on the lift-cabin door and is makeed space environment discernment clearer, cooperation travel switch can prevent that the layer door can not take place the malfunction when blocking diffuse reflection sensor, a structure is simple, easy to assemble and easy and simple to handle, it is high to detect the precision, response speed is fast, help promoting the development of elevator transportation technique.
Drawings
Fig. 1 is a working principle diagram of a diffuse reflection anti-collision device for a freight elevator according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a car door according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an adjusting seat according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of 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. 1-3, the diffuse reflection anti-collision device for cargo elevator in the embodiment of the present invention comprises a landing door 1, a car door machine 2, a car door 3, an anti-collision device 4, a travel switch 5 for detecting the open/close state of the elevator door and an elevator door control system 6, wherein the anti-collision device 4 is electrically connected to the elevator door control system 6, the travel switch 5 is electrically connected to the anti-collision device 4 and the elevator door control system 6, respectively, the anti-collision device 4 comprises a diffuse reflection sensor 41 and an elevator light curtain 42, the diffuse reflection sensor 41 is installed on the car door machine, the number of the diffuse reflection sensors 41 is one, and the diffuse reflection sensors are installed in the middle of the car door machine 2, the elevator light curtain 42 is installed on the car door 3, the elevator light curtain 42 and the diffuse reflection sensor 41 are electrically connected to the elevator door control system 6, by installing the diffuse reflection sensor 41 on the car door machine 2, the elevator stops closing when the transportation equipment enters the diffuse reflection sensing area and turns into door opening, so that the situation that the transportation equipment 7 collides with the elevator door or is clamped by the elevator door is avoided, and the use safety of the elevator is improved.
In this embodiment, diffuse reflection sensor 41 apart from the ground distance be greater than 2 meters, diffuse reflection sensor's signal range B is not less than 2.5 meters, diffuse reflection sensor is 55 degrees with the perpendicular contained angle A of layer door, by car door 3 toward layer door 1 outside transmission signal, can reach like this apart from layer door 1 distance in 2 meters if do not have when being higher than 0.6 meters transportation equipment 7, diffuse reflection sensor does not have the output, when having in 2 meters apart from the door and getting into than 0.6 meters transportation equipment 7, diffuse reflection sensor has the output, its from top to bottom detection range can improve the accuracy of response, reduce the possibility of spurious triggering.
In this embodiment, the travel switch 5 is installed in parallel at the installation position of the diffuse reflection sensor 41 and at the position 100 mm toward the opening direction of the car door 3 of the elevator, when the car door 3 is closed to the position of the travel switch 5, the travel switch is pressed by the door panel to act normally, the output of the diffuse reflection sensor 41 is cut off, and 8 is made to be ineffective, so that no misoperation is generated when the door is closed to the landing door 1 and the diffuse reflection sensor 41 is blocked.
Further, in order to improve the flexibility of angle adjustment when the diffuse reflection sensor 41 is installed and the convenience of subsequent maintenance of the diffuse reflection sensor 41, in this embodiment, the car door machine 2 is provided with the adjusting seat 8 for installing and fixing the diffuse reflection sensor 41, the adjusting seat 8 comprises a fixed base 81, a hinged seat 82 and a connecting piece 83 for connecting the diffuse reflection sensor 41, the base 81 and the hinged seat 82 are respectively a two-way through square tube structure and a U-shaped clamping structure, when assembling, the base can be fixed in the middle of the car door machine 2, the adjustment of the hinged seat 82 and the installation of the diffuse reflection sensor 41 are performed, the universality is strong, and the problem that the construction installation cannot be adjusted after dislocation is avoided.
Specifically, base 81 both sides be equipped with vertical waist round hole 84 respectively, the clamping part of hinge seat 82 both sides on be equipped with the horizontal waist round hole 85 that vertical waist round hole 84 on the cooperation base 81 used, vertical waist round hole 84 and horizontal waist round hole 85 carry out angle and highly counterpoint adjustment after use connecting piece 83 to lock fixedly, the waist round hole has the regulation of good height and angle, has improved the tolerance of job site installation component greatly, reduces the operating requirement of installation diffuse reflection sensor 41, is favorable to carrying installation effectiveness and stability, base 81 and hinge seat 82 can realize that diffuse reflection sensor 41 is adjustable between 55 degrees to 60 degrees, connecting piece 83 be the self-locking mechanism of manual knob regulation.
Further, in order to inform the identification state of the diffuse reflection sensor 41 of the trolley and the elevator of the user, a warning lamp 9 is arranged on the landing door below the diffuse reflection sensor 41, when the diffuse reflection sensor 41 detects that the trolley is always on or flickers, the diffuse reflection sensor is in a light-off state at other time.
Further, a marking unit for marking an actual sensing area of the diffuse reflection sensor 41 is provided on the bottom surface of the floor.
Through the technical scheme, a diffuse reflection buffer stop for cargo elevator only needs a diffuse reflection sensor 41 can realize collision avoidance's effect in the in-service use, greatly reduced the cost of installation and application, it is big to detect the space scope, be fit for large-scale elevator and transportation equipment and use, cooperation elevator light curtain 42 makes space environment discernment clearer, cooperation travel switch 5 can prevent that the layer door can not take place the malfunction when blocking diffuse reflection sensor 41, a structure is simple, easy to assemble and easy and simple to handle, it is high to detect the precision, response speed is fast, help promoting the development of elevator transportation technique.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims (8)

1. The utility model provides a diffuse reflection buffer stop for cargo elevator, includes layer door, sedan-chair door machine, car door, buffer stop, detection lift-cabin door open and close state's travel switch and lift-cabin door control system, buffer stop be connected with lift-cabin door control system electricity, travel switch connect buffer stop and lift-cabin door control system electricity respectively, buffer stop include diffuse reflection sensor and elevator light curtain, its characterized in that: the diffuse reflection sensor is arranged on a car door motor, the elevator light curtain is arranged on a car door, and the elevator light curtain and the diffuse reflection sensor are respectively and electrically connected with an elevator door control system.
2. The diffuse reflection anticollision device for cargo elevator according to claim 1, characterized in that: the number of the diffuse reflection sensors is one, and one diffuse reflection sensor is arranged in the middle of the car door machine.
3. The diffuse reflection anticollision device for cargo elevator according to claim 2, characterized in that: the diffuse reflection sensor is more than 2 meters away from the ground, the signal range of the diffuse reflection sensor is not less than 2.5 meters, and the vertical included angle between the diffuse reflection sensor and the landing door is 55 degrees.
4. The diffuse reflection anticollision device for cargo elevator according to claim 3, characterized in that: the travel switch is arranged at the installation position of the diffuse reflection sensor and is installed in parallel at the position 100 mm away from the door opening direction of the elevator car door.
5. The diffuse reflection anticollision device for cargo elevator according to claim 1, characterized in that: and the car door machine is provided with an adjusting seat for installing and fixing the diffuse reflection sensor.
6. The diffuse reflection anticollision device for cargo elevator according to claim 5, characterized in that: the adjusting seat comprises a fixed base, a hinged seat and a connecting piece, wherein the hinged seat is connected with the diffuse reflection sensor, and the base and the hinged seat are respectively of a square tube structure which is communicated in two directions and a U-shaped clamping structure.
7. The diffuse reflection anticollision device for cargo elevator according to claim 6, characterized in that: the hinge base is characterized in that longitudinal waist round holes are respectively formed in two sides of the base, transverse waist round holes used for matching the longitudinal waist round holes in the base are formed in clamping portions of two sides of the hinge base, and the longitudinal waist round holes and the transverse waist round holes are locked and fixed through connecting pieces after angle and height alignment adjustment is carried out on the longitudinal waist round holes and the transverse waist round holes.
8. The diffuse reflection anticollision device for cargo elevator according to claim 1, characterized in that: and a warning lamp is arranged on the landing door below the diffuse reflection sensor.
CN201922443409.1U 2019-12-27 2019-12-27 Diffuse reflection anti-collision device for freight elevator Active CN212374678U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922443409.1U CN212374678U (en) 2019-12-27 2019-12-27 Diffuse reflection anti-collision device for freight elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922443409.1U CN212374678U (en) 2019-12-27 2019-12-27 Diffuse reflection anti-collision device for freight elevator

Publications (1)

Publication Number Publication Date
CN212374678U true CN212374678U (en) 2021-01-19

Family

ID=74157507

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922443409.1U Active CN212374678U (en) 2019-12-27 2019-12-27 Diffuse reflection anti-collision device for freight elevator

Country Status (1)

Country Link
CN (1) CN212374678U (en)

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Address after: 528200 North Park of Shishan Science and Technology Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province

Patentee after: Lingwang Elevator Co.,Ltd.

Address before: 528200 North Park of Shishan Science and Technology Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province

Patentee before: WINONE ELEVATOR Co.,Ltd.