JP5327916B2 - Elevator equipment - Google Patents

Description

  The present embodiment relates to an elevator apparatus, and particularly to an elevator apparatus that prevents an unnecessary call when a call operation button is fixed due to a fire.

  Generally, at each elevator floor, a display device that displays the floor position of a passenger car (hereinafter also referred to as an “elevator”) and a call operation that is arranged around the display device and performs an elevator call operation. Buttons are provided.

  In such an elevator apparatus, when a fire occurs, the call operation button may be welded or deformed due to the heat or flame of the fire, and the call signal of the riding car may continue to be transmitted. In such a case, the passenger's basket may land on the fire floor and open the doors despite the evacuation, possibly injuring the passenger.

  The present invention has been made in view of the above problems, and its purpose is to prevent unnecessary input to the elevator control panel when the call operation button is welded or the like due to heat or flame from a fire. An object of the present invention is to provide an elevator apparatus capable of physically shutting off a signal to an elevator control panel before welding or the like.

  To achieve the above object, an elevator apparatus according to the present embodiment is provided with a housing having an opening attached to the wall surface of the elevator hall, a face plate that closes the opening of the housing, and the face plate. A call operation button for calling the car, a call operation button board for outputting a signal of the call operation button to an elevator control board for controlling the operation of the car, the call operation button board, and the elevator control board A cable that connects the cable, a biasing member that biases the cable in a direction away from the call operation button board, a receiving part between the call operation button board and the cable, an insertion part inserted into the receiving part, and A socket formed of a locking claw portion fixed to the insertion portion and locked to the receiving portion, and the locking claw portion includes the call operation button. It is characterized in that it consists of low melting point thermoplastic resin than down.

  By configuring in this way, the socket is removed before the call operation button is welded due to a fire or the like, thereby preventing transmission of unnecessary input signals to the control panel and preventing landing on such floors. Can do.

  Moreover, according to the elevator apparatus of the other form of this embodiment, the said latching claw part is contacting the face plate. By comprising in this way, a cable can be removed from a call operation button board | substrate earlier than the said elevator apparatus by transmitting the temperature change of an elevator hall to a latching claw part via a face plate.

  According to the present invention, even when a fire occurs in the hall and the call operation button is welded, the call signal from the call operation button is physically cut off, so that it is unnecessary for the control panel. Can prevent the transmission of unnecessary input signals and prevent landing on the fire floor due to elevator operation during evacuation.

The schematic of the boarding point of the elevator apparatus concerning this embodiment. Sectional drawing of the operation panel in FIG. The principal part perspective view of the call operation button board | substrate and cable in FIG. The figure which shows the cable cutting operation | movement from the call operation button board | substrate in FIG. Sectional drawing of the principal part of the operation panel concerning the other form of this embodiment.

  Hereinafter, the elevator apparatus of this embodiment is demonstrated in detail with reference to drawings. It should be noted that the embodiment described below is merely an example of the present invention, and it is a matter of course that the configuration of each part can be appropriately changed or modified within the scope as long as the gist of the present invention can be achieved.

  FIG. 1 is a schematic view of a hall of an elevator apparatus according to the present embodiment, FIG. 2 is a cross-sectional view of a main part of the operation panel in FIG. 1, and FIG. 3 is a diagram of call operation button boards and cables in FIG. 4 is a perspective view of a main part, FIG. 4 is a diagram illustrating an operation of cutting a cable from the call operation button board in FIG. 2, and FIG. 5 is a cross-sectional view of a main part of an operation panel according to another embodiment of the present embodiment. It is.

  FIG. 1 shows an elevator hall 1 according to this embodiment. As shown in FIG. 1, the wall portion 2 in the elevator hall 1 is provided with an entrance 3 that leads to a hoistway inside thereof, and the entrance 3 includes a three-way frame 4. The three-way frame 4 includes a pair of side wall portions 5 and a top plate portion 6 installed between the upper portions of the side wall portions 5. A holder 7 for opening and closing the entrance 3 is provided on the back surface of the entrance 3. The holder 7 has a double-open structure in which, for example, a pair of door panels 7 a and 7 b move to the left and right to open and close the doorway 4. The door panels 7a and 7b are arranged on a sill installed at the lower back of the doorway 3 and move along the sill.

  A display unit 8 is attached to the upper part of the entrance / exit 3 on the wall unit 2 and displays the operation status of the elevator when an earthquake, fire, etc. occur in addition to the current floor and direction of the passenger car. An operation panel 9 is attached to a side portion of the entrance 3, and the operation panel 9 is provided with a call operation button 10 for a passenger to call an elevator.

  FIG. 2 shows a cross-sectional view of the main part of the operation panel 9. As shown in FIG. 2, the operation panel 9 outputs a call operation button 10, a call operation button board 11, and a signal from the call operation button board 11 to a main control board (not shown) that controls the operation of the elevator. The cable 12 includes a housing 13 in which these cables are housed, and a face plate 14. The cable 12 is connected to the housing 13 by an urging member 15 such as an elastic body. (Arrow Q).

  The call operation button 10 is operated when a passenger makes a landing call. For example, the call operation button 10a is an upper floor designation switch and the call operation button 10b is a lower floor designation switch. These call operation buttons 10a and 10b are attached from the back surface of the face plate 14 and fixedly supported. The material of these call operation buttons 10a and 10b is, for example, commonly used ABS resin, but is not particularly limited.

  The call operation button substrate 11 and the cable 12 are connected by a socket 16 including a receiving portion 11 a provided on the call operation button substrate 11 and an insertion portion 12 a provided on the cable 12.

  The housing 13 is disposed, for example, by bending a metal plate into a box shape and bringing its bottom surface into contact with a wall surface near the side wall 5. The face plate 14 is processed by bending, for example, a metal plate into a lid shape having a U-shaped cross section that is slightly larger than the outer dimension of the housing 13 so as to close the opening of the housing 13. The body 13 is fitted from the front side. The casing 13 and the face plate 14 are formed with protruding pieces for connecting these members at both ends in the longitudinal direction, and the fastening pieces are overlapped with each other by a fastening member such as a screw. The face plate 14 is fastened to the housing 13 by being fastened.

  FIG. 3 shows a perspective view of essential parts of the call operation button board 11 and the cable 12 in FIG.

  As shown in FIG. 3, the insertion portion 12a is provided with a locking claw portion 12b, and the socket 16 is locked by the locking claw portion 12b. The locking claw portion 12b is a thermoplastic resin having a glass transition temperature or a melting point lower than that of the material used for the call operation button 10 because the call operation button 10 needs to be melted and softened earlier than the call operation button 10 is fused by a fire or the like. The resin can be selected as appropriate according to the installation environment of the elevator apparatus. The locking claw portion 12b may be integrally formed with the insertion portion 12a. Moreover, the insertion part 12a and the receiving part 11a may be provided in reverse.

  The position of the locking claw portion 12b in the insertion portion 12a is not particularly limited, but the locking claw portion 12b is in contact with a member having high thermal conductivity in order to make it easier to convey the temperature of the elevator hall 1 during a fire. Preferably, for example, as shown in FIG. 3, the locking claw portion 12 b is provided on the same surface as the call operation button 10, and the locking claw portion 12 b is mounted on the face plate 14 in a state where the call operation button 10 is attached to the face plate 14. 14 is preferably in contact.

  FIG. 4 shows a diagram illustrating the operation of cutting the cable from the call operation button board of the present embodiment.

  First, as shown in FIG. 4A, the insertion portion 12a of the cable 12 is inserted into the receiving portion 11a of the call operation button substrate 11, and is locked and connected by the locking claw portion 12b. During normal operation of the elevator, as shown in FIG. 4B, the insertion portion 12a of the cable 12 is locked to the receiving portion 11a of the call operation button substrate 11 by the locking claw portion 12b, and is conducted. The cable 12 is urged in the Q direction by an urging member 15 (shown in FIG. 2). When the temperature of the operation panel 9 rises due to a fire in the hall and the locking claw portion 12b approaches or reaches the melting point, the locking claw portion 12b softens or melts as shown in FIG. 4 (c). Start. Thereafter, as shown in FIG. 4 (d), the supporting force to which the locking claw portion 12a is softened or melted is weakened, and the elastic member 15 is biased so that the cable 12 is detached from the call operation button board 11 ( Arrow Q).

  As another form of this embodiment, as shown to Fig.5 (a), it can be set as the structure which connects the elastic body 15 to the insertion part 12a. Further, as shown in FIG. 5B, instead of or in addition to the urging member 15, a weight 17 may be attached to the insertion portion 12a, and the weight may be removed by the weight of the insertion portion 12a to which the weight 17 is attached.

  Thus, according to the elevator apparatus according to the present embodiment, even if the call operation button is welded due to a fire, the call operation button substrate 11a and the cable 12a are disconnected and physically cut off, which is unnecessary for the elevator control panel. The input of call signals can be prevented, and the landing basket can be prevented from landing on the fire floor.

DESCRIPTION OF SYMBOLS 1 ... Elevator hall 2 ... Wall part 3 ... Entrance / exit 4 ... Three-sided frame 5 ... Side wall part 6 ... Top plate part 7 ... Holder 8 ... Display part 9 ... Operation part 10 ... Call operation button 11 ... Call operation button board 12 ... Cable DESCRIPTION OF SYMBOLS 13 ... Housing 14 ... Faceplate 15 ... Elastic body 16 ... Socket 17 ... Weight

Claims (4)

A housing having an opening attached to the wall surface of the elevator hall;
A face plate that closes the opening of the housing;
A call operation button arranged on the face plate for calling the car;
A call operation button board for outputting a signal of the call operation button to an elevator control panel for controlling the operation of the car;
A cable connecting the call operation button board and the elevator control panel;
An urging member for urging the cable in a direction to separate it from the call operation button board;
A socket comprising a receiving portion between the call operation button substrate and the cable, an insertion portion inserted into the receiving portion, and a locking claw portion fixed to the insertion portion and locked to the receiving portion;
With
The said latching claw part consists of a thermoplastic resin whose melting | fusing point is lower than the said call operation button, The elevator apparatus characterized by the above-mentioned.   The elevator apparatus according to claim 1, wherein the locking claw portion is in contact with a face plate.   The elevator apparatus according to claim 1, wherein the urging member is attached to the insertion portion.   The elevator apparatus according to any one of claims 1 to 3, wherein a weight is attached to the socket.

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