KR20100010939U - Apparatus for preventing a finger from inserting in a door of elevator - Google Patents

Abstract

The present invention relates to a device for preventing the pinch of the elevator, by installing a reflective sensor in the center and both sides of the upper frame of the elevator door to prevent the passenger's hands or other foreign objects from being caught during the opening and closing operation of the elevator door. It is an object of the present invention to provide a pinch prevention device of an elevator.

      To this end, the hand pinch prevention device of the elevator according to the present invention, the car door and the landing door is installed in the fixing portion consisting of the upper frame and the left frame and the right frame, the passenger's hand or foreign matter is caught in the elevator door. In the apparatus for preventing the above, the upper frame left sensor and the upper frame made of an object reflection sensor that emits the detection light vertically downward on the inner wall surface of both ends of the upper frame corresponding to the outer surface of the boarding door and the card door A pair of upper pairs of frame reflection sensors are installed, and a pair of object reflection sensors are provided on the inner wall surface of the center of the upper frame corresponding to the outer surfaces of the boarding door and the card door to emit detection light vertically downward. The center frame sensor is installed.

      Elevator, boarding door, card door, hand pinch, upper frame, left frame, right frame, reflective, sensor, detection light

Description

Prevent pinching of elevators {APPARATUS FOR PREVENTING A FINGER FROM INSERTING IN A DOOR OF ELEVATOR}

The present invention relates to a device for preventing hand pinching of an elevator. More specifically, an object reflection sensor is installed at the center and both sides of an upper frame of an elevator door, so that a passenger's hand and foreign substances are caught during the opening / closing operation of the elevator door. It relates to a pinch prevention device of an elevator that can be prevented.

      In general, elevator devices installed in various kinds of high-rise buildings such as residential or business use and used in the vertical direction of passengers are moved up and down along the hoistway formed vertically inside the building with passengers inside. An elevator car for moving a passenger while moving in a direction, a motor unit for generating a predetermined power, a hoisting machine, and the like, for moving the elevator car to a corresponding floor according to a button operation of a passenger, and the machine according to a button operation of a passenger It is configured to include an elevator control unit for controlling so that the elevator car can run smoothly and stably while controlling the unit.

      In addition, the elevator car provided in the elevator device is provided with a car door that is selectively opened, and the landing door of the landing of each floor platform of the building to open and close in conjunction with the car door to allow passengers to get on and off the floor Is installed.

      In addition, the car door and the lift door constituting the door of the elevator are installed in the fixing portion consisting of the upper frame on the upper side of the door and the left frame and the right frame on both sides of the door, respectively.

      On the other hand, in the elevator door configured as described above, in order to detect the pinch of the passenger's hand, foreign matters, etc., in the prior art, a light transmitting part constituting a sensor is respectively installed in the lower part of the left frame and the right frame, the upper frame Light receiving units constituting the sensors are respectively installed at both ends of the light emitting unit, and when a detection signal is emitted in a diagonal direction from each light transmitting unit, foreign substances including an elevator passenger's hand according to the presence or absence of a detection signal received from the corresponding light receiving unit. It is configured to detect the jamming of.

      However, in detecting the pinch of the elevator passengers through the sensor including the light-transmitting unit and the light-receiving unit, the light-transmitting unit and the light-receiving unit constituting the sensor must be installed in the left frame, the right frame, and the upper frame, respectively. As a result, the installation structure is complicated, and thus, parts and installation costs are increased.

      In addition, the sensor including the light-transmitting unit and the light-receiving unit is limited in the detection range of the passenger's hand or foreign matter, so that the detection range of the object detection sensor between the landing door and the car door does not reach the point of the elevator passenger's finger or the like. The problem is also difficult to detect the pinch of the same short foreign material.

Therefore, the present invention has been devised to improve the conventional problems as described above, the purpose of which is to install the object reflection sensor in the center and both sides of the upper frame of the elevator door, An object of the present invention is to provide a hand pinch prevention device of an elevator to prevent various foreign substances from being caught.

      Hand pinch prevention device of the elevator according to the present invention for achieving the object as described above, the passenger's hand on the elevator door is installed in the door door and the landing door is installed in the fixing portion consisting of the upper frame and the left frame and the right frame. In the device for preventing foreign matters, etc., the object reflection type sensor that emits the detection light vertically downward on the inner wall surface of the both ends of the upper frame corresponding to the outer surface of the boarding door and the card door. The upper frame left sensor and the upper frame right sensor is characterized in that each one pair is installed.

      Preferably, the inner wall surface of the center of the upper frame corresponding to the outer surface of the landing door and the card door is provided with a pair of upper frame center sensors made of an object reflection sensor that emits detection light vertically downward. do.

According to the present invention made as described above, by installing the reflective sensors in the center and both sides of the upper frame of the elevator door, the structure of the sensor for preventing hands can be simplified, so that the installation and maintenance work can be performed very easily. It is effective.

In addition, since the sensors for preventing the pinch of the elevator door are provided at both sides and the center of the car door and the boarding door, small foreign substances such as a passenger's finger and the like can also be detected very accurately.

      Hereinafter, the present invention configured as described above will be described in detail with reference to the accompanying drawings.

1 is a front view showing the configuration of the pinch of the elevator according to the present invention, Figure 2 is a plan view showing the configuration of the pinch of the elevator according to the present invention.

      First, in an elevator apparatus for moving in a vertical direction of a building, elevator doors for getting on and off passengers are installed in each platform and elevator car of the building.

      The elevator door is composed of a car door (20, 22) is installed in the elevator car and the landing doors (30, 32) are installed in the hatch of each platform to open and close in conjunction with the car door (20, 22).

      At this time, the car door (20, 22) and the landing door (30, 32) are respectively the upper frame 10 of the upper door and the left frame 12 and the right frame 14 of the door provided in the platform and elevator car, respectively It is to be installed in the fixed portion consisting of.

      According to the present invention, the elevator door is formed by installing the car door (20, 22) and the landing door (30, 32) in the fixing portion consisting of the upper frame 10, the left frame 12 and the right frame (14) In order to prevent the passenger's hand or foreign matter from being caught, the upper side of each of the inner side walls of both ends of the upper frame 10 corresponding to the outer surfaces of the boarding doors 30 and 32 and the car doors 20 and 22 respectively. The frame left sensor 60 and the upper frame right sensor 70 are installed in pairs.

      In addition, a pair of upper frame center sensors 50 are installed on inner wall surfaces of the center of the upper frame 10 corresponding to the outer surfaces of the boarding doors 30 and 32 and the car doors 20 and 22.

      At this time, the upper frame left sensor 60, the upper frame right sensor 70, the upper frame center sensor 50 are all made of an object reflection sensor such as an infrared sensor, the detection light 52 in the vertical direction toward the lower side 62, 72) to detect the pinching of the hand of the passenger and the catch of various foreign objects.

      Reference numeral 40 is installed between the landing doors 30 and 32 and the car doors 20 and 22 constituting the elevator door, and the left and right sides constituting the landing doors 30 and 32 and the car doors 20 and 22. Represents an object detecting sensor for detecting objects caught in the point where the doors of the doors are in contact with each other.

      Next, the operation of the present invention made as described above with reference to the drawings as follows.

      According to the present invention, the upper frame center sensor 50, the upper frame left sensor 60 and the upper frame right sensor 70 are installed on the center and both ends of the upper frame 10 provided on the upper side of the elevator door, respectively. In each of the sensors 50, 60, 70 are controlled in conjunction with the opening and closing operations of the elevator door.

      Accordingly, the upper frame left sensor 60 and the upper frame right sensor 70 detect the light 62 and 72 toward the lower side during the opening operation of the entrance doors 30 and 32 and the car doors 20 and 22. It is controlled to prevent foreign substances, such as the hand of the passenger, from being caught between the left frame 12 or the right frame 14 and the boarding doors 30 and 32 or the car doors 20 and 22 while radiating. .

      That is, when various foreign objects such as a passenger's hand are approached between the left frame 12 or the right frame 14 and the boarding doors 30 and 32 or the car doors 20 and 22, the upper frame The left sensor detection light 62 and the upper frame right sensor detection light 72 detect this and generate a signal. The control means of the elevator performs control so that the opening operation of the door is stopped or decelerated.

      In addition, the central sensor 50 of the upper frame 10 emits the upper frame central sensor detection light 52 toward the lower side during the closing operation of the entrance doors 30 and 32 and the car doors 20 and 22. Short foreign objects, including the fingers of the passenger that does not reach the object detection sensor 40 is installed between the boarding door (30, 32) and the car door (20, 22) to detect the object is caught in the contact point By detecting the approach of the door, the closing operation of the door can be stopped or decelerated.

On the other hand, even if the modified embodiments other than the contents described in the present invention is not to be understood individually from the technical spirit or prospects of the present invention, it goes without saying that belongs to the claims attached to the present invention.

1 is a front view showing the configuration of the pinch prevention device of the elevator according to the present invention,

Figure 2 is a plan view showing the configuration of the pinch of the elevator according to the present invention.

Explanation of symbols on the main parts of the drawings

10: upper frame, 12: left frame,

14: right frame, 20: cardor (left),

22: cardor (right), 30: boarding door (left),

32: landing door (right), 40: object detection sensor,

50: upper frame center sensor, 52: upper frame center sensor detection light,

60: upper frame left sensor, 62: upper frame left sensor detection light,

70: upper frame right sensor, 72: upper frame right sensor detection light.

Claims (2)

      In the device for preventing the occupant's hand or foreign matters caught in the elevator door is formed in the fixed frame consisting of the upper frame and the left frame and the right frame,       On the inner wall surfaces of both ends of the upper frame corresponding to the outer surfaces of the boarding door and the car door, a pair of upper frame left sensors and upper frame right sensors each consisting of an object reflection sensor for emitting detection light vertically downward are provided. Hand pinch prevention device of the elevator, characterized in that.       The method of claim 1,      An inner wall surface of the center of the upper frame corresponding to the outer surfaces of the boarding door and the car door is provided with a pair of upper frame center sensors made of an object reflection sensor that emits detection light vertically downward. Anti-Handling Device.

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