JP6489007B2 - Elevator with ventilation openings - Google Patents

Description

  The present invention relates to an elevator provided with a ventilation opening, more specifically, an emergency ventilation opening in a car.

  In recent years, various types of high-speed elevators that raise and lower a car at a speed of several hundred meters per minute have been proposed as the number of buildings rises. In this type of elevator, the atmospheric pressure in the car is adjusted by an air pressure adjusting device such as a blower that sucks and exhausts the inside of the car so as not to give the passenger a sense of incongruity due to a sudden change in air pressure during ascent and descent.

  In order to control the atmospheric pressure in the car to an optimum state, it is necessary to use a car having a highly airtight structure. On the other hand, when the airtightness is increased, there is a possibility that the inside of the car may be deficient when the power supply is stopped due to a power failure or the like and the operation of the atmospheric pressure adjusting device is stopped. Therefore, in an elevator, it is defined as a standard that an emergency ventilation port (hereinafter simply referred to as “ventilation port”) is provided in a car. The ventilation port is normally closed by an opening / closing member such as a lid. Then, when power supply to the elevator is stopped due to a power failure or the like, control to open the opening / closing member is performed.

  For example, in patent document 1, the structure which provided the ventilation port in the side panel of the cage | basket | car is disclosed.

JP 2011-57414 A

  However, as in Patent Document 1, if the ventilation port is formed in the side panel of the car, the design is deteriorated.

  The objective of this invention is providing the elevator which can form an emergency ventilation port, without reducing the designability of a cage | basket | car.

In order to solve the above problems, the elevator of the present invention is
A side panel is provided on the side and rear of the front panel on which the door is formed.
Between the side panel and the sealing plate, an upper base member in which the ventilation port is formed is disposed,
A car light box that illuminates the car to a position lower than the ventilation port is suspended and supported on the ceiling plate,
A gap that allows ventilation from the ventilation port is formed between the upper base member and the car light box.

Moreover, in order to solve the said subject, the elevator of this invention is
A side panel is provided on the side and rear of the front panel on which the door is formed.
Between the side panel and the platform, a lower base member in which the ventilation port is formed is disposed,
A kick plate is disposed on the inner side of the lower base member with a gap allowing ventilation from the ventilation port.

  It is desirable that the lower base member is formed at a position recessed outside the car from the side panel, and the kick plate is substantially flush with the side panel.

  The base member may be provided with an opening / closing device having an opening / closing member for opening / closing the ventilation port.

The base member has a substantially U-shaped cross section and opens outward in the circumferential surface,
The ventilation opening is established in a vertical portion of the base member,
The opening / closing device may be disposed in a U-shaped space of the base member.

  According to the present invention, the ventilation port is formed in the upper base member that connects the side panel and the sealing plate, and the lower base member that connects the side panel and the platform. The ventilation hole formed in the upper base member is hidden so that it is difficult to see by the car light box suspended from the ceiling plate, and the ventilation hole formed in the lower base member is difficult to see by the kick plate. Therefore, it is possible to prevent the design of the car from being lowered due to the formation of the ventilation opening.

FIG. 1 is a perspective view showing a schematic configuration of a car in which an opening / closing device according to a first embodiment of the present invention is installed. 2 is an end view of the car taken along line II-II in FIG. FIG. 3 is an enlarged view of a main part of the base member to which the opening / closing mechanism is attached, and shows a state where the ventilation opening is closed by the opening / closing member. FIG. 4 is a cross-sectional view of a principal part taken along line IV-IV in FIG. FIG. 5 is an enlarged view of a main part of the base member to which the opening / closing mechanism is attached, and shows a state where the ventilation opening is opened by the opening / closing member. FIG. 6 is a cross-sectional view of a principal part taken along line VI-VI in FIG. FIG. 7 is a block diagram illustrating a configuration of the opening / closing device. FIG. 8 is a circuit diagram showing an electrical configuration of the control mechanism. FIG. 9 is a diagram illustrating a path of a current flowing through each part of the control mechanism. FIG. 10 is an enlarged view of a main part of the base member to which the opening / closing mechanism is attached in the second embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
<First Embodiment>
FIG. 1 is a perspective view showing a schematic configuration of an elevator car 10 according to the first embodiment of the present invention, and FIG. 2 is an end view of FIG. 1 taken along line II-II. In FIG. 1, the car 10 is viewed from the upper rear side (the side opposite to the door 15 where passengers get on and off). The car 10 is disposed so as to be movable up and down in the elevator shaft.

  As shown in FIG. 1, a car 10 is provided with side panels 12 on the side and rear of a front panel 11 having a door 15, and a ceiling plate 13 and a platform 14 above and below the panels 11 and 12. A space for passengers to board is formed by closing with (floor board). The sealing plate 13 is provided with a blower 18 which is an atmospheric pressure control device, and controls the atmospheric pressure of the car 10 by supplying and exhausting air inside the car 10.

  As shown in FIGS. 1 and 2, an upper base member 16 a is provided between the side panel 12 and the sealing plate 13 so as to straddle them. Further, a lower base member 16b is provided between the side panel 12 and the platform 14 so as to straddle them. As shown in FIGS. 1 to 3, the upper base member 16 a and the lower base member 16 b (which are collectively referred to as “base member 16” as appropriate) have a plurality of ventilation holes A along the sealing plate 13 or the platform 14. It has been established. In the present embodiment, three ventilation openings A are formed in each base member 16, and an opening / closing mechanism 20 (not shown in FIG. 1) for opening and closing the ventilation openings A is provided for each of them.

  A car light box 40 for illuminating the room is suspended and supported on the ceiling plate 13 of the car 10 by a suspension member 41 such as a metal fitting. The car light box 40 is disposed at a predetermined interval, for example, about 20 mm, from the upper base member 16a so as to allow ventilation from the ventilation opening A formed in the upper base member 16a.

  The ventilation port A cannot be easily seen by the passenger by suspending and supporting the car light box 40 on the sealing plate 13 with a predetermined distance from the upper base member 16a. Therefore, it is possible to prevent the designability in the car 10 from being deteriorated.

  A kick plate 19 serving as a decorative panel is disposed inside the car 10 of the lower base member 16b. The kick plate 19 is disposed at a predetermined interval, for example, about 20 mm from the lower base member 16b so as to allow ventilation from the ventilation opening A, and is also disposed between the side panel 12 and / or the platform 14. A gap for allowing ventilation through the ventilation opening A is formed. The kick plate 19 can be attached to the side panel 12, the platform 14, and / or the lower base member 16b with a metal fitting or the like.

  By disposing the kick plate 19 as described above, the ventilation opening A cannot be easily visually recognized by the passenger, and therefore, the deterioration of the design in the car 10 due to the provision of the ventilation opening A can be prevented. .

  Desirably, the lower base member 16b is disposed at a position recessed outside the car 10 relative to the side panel 12, and the kick plate 16 is substantially flush with the side panel 12, so that the inside of the car 10 is It is possible to prevent a decrease in design properties.

  The ventilation opening A can be rectangular, for example, a horizontally long rectangular shape. Ventilation opening A can be 3.5% of the floor area in order that the total opening area meets the standards for elevators in European standards (EN81) and ASME standards.

  As shown in FIGS. 3 to 6, the base member 16 has a substantially U-shaped cross section and opens outward in the circumferential surface, and the ventilation opening A is opened in a vertical portion of the base member 16. 3 and 5, a part of the base member 16 is omitted. The base member 16 is provided with mounting plates 17 at predetermined intervals in a U-shaped space, and the opening / closing mechanism 20 is disposed in the U-shaped space of the base member 16 and is fixed to the mounting plate 17 by screws or the like. It is fixed.

  The opening / closing mechanism 20 constitutes a movable part of the opening / closing device 2. As shown in FIGS. 3 to 6, the opening / closing mechanism 20 includes an opening / closing member 23 serving as a cover plate for opening and closing the ventilation opening A, and self-holding solenoids 21, 21 for sliding the opening / closing member 23 in the horizontal direction. Yeah. In the illustrated embodiment, two self-holding solenoids 21, 21 are arranged for one opening / closing member 23.

  The self-holding solenoid 21 is housed in a case 28 (not shown in FIGS. 4 and 6), and is fixed to a base plate 27 whose left and right ends are bent upward. The base plate 27 is fixed to the base member 16 by screwing the upward bent portions to the mounting plate 17 shown in FIG.

  The opening / closing member 23 can be a plate-like member formed to be slightly larger than the ventilation opening A. In the present embodiment, the opening / closing member 23 is configured to close the ventilation port A from the outside, that is, the direction in which the X direction in FIG. 3 etc. closes the ventilation port A (hereinafter referred to as “advance” or “advance direction” as appropriate). The Y direction is movable in a direction (hereinafter referred to as “retreat” or “retreat direction” as appropriate) to open the ventilation port A.

  As shown in FIGS. 4 and 6, the opening / closing member 23 is provided with an airtight material 24 on the abutting surface with the base member 16 constituting the periphery of the ventilation port A in order to improve the sealing performance to the ventilation port A. ing. The airtight member 24 can be formed of a member such as sponge or rubber.

  As shown in FIGS. 3 and 5, in order to smoothly open and close the opening / closing member 23, a roller bracket 25 having a roller 26 attached to the tip is attached to the opening / closing member 23. The roller 26 rolls on a guide (not shown) provided on the base member 16 and allows the opening / closing member 23 to slide in parallel while maintaining a vertical state.

  FIG. 4 is a cross-sectional view of a principal part taken along line IV-IV in FIG. Each of the self-holding solenoids 21 is provided with two electromagnetic coils 211 and 212 and an annular permanent magnet 213 in an annular shape inside a hollow cylindrical magnetic yoke 214. More specifically, the permanent magnet 213 is disposed between the first electromagnetic coil 211 and the second electromagnetic coil 212.

  A plunger 215 (movable iron core) is slidably disposed in a hollow cylindrical space formed by the electromagnetic coils 211 and 212 and the permanent magnet 213. As shown in FIG. 4, the plunger 215 has a shaft 216 connected to the tip, and the shaft 216 is connected to the opening / closing member 23.

  The opening / closing mechanism 20 including the self-holding solenoid 21 configured as described above is electrically connected to a control mechanism 3 to be described later to constitute the opening / closing device 2 and is controlled by the control mechanism 3.

  For example, when the first electromagnetic coil 211 is energized, the plunger 215 moves forward in the X direction as shown in FIG. 4, and the opening / closing member 23 closes the ventilation port A as shown in FIGS. Move to the first position. Even when the first electromagnetic coil 211 is turned off, a magnetic circuit is formed by the permanent magnet, the plunger 215 and the magnetic yoke 214, and the plunger 215 is held at the first position by the magnetic force. .

  On the other hand, when the second electromagnetic coil 212 is energized, the plunger 215 moves backward in the Y direction and moves to the second position where the opening / closing member 23 opens the ventilation opening A as shown in FIGS. To do. Even in the state where the energization of the second electromagnetic coil 212 is interrupted, a magnetic circuit is formed by the permanent magnet 213, the plunger 215 and the magnetic yoke 214, and the plunger 215 is held at the second position by the magnetic force. The

  FIG. 7 is a block diagram of the opening / closing device 2. As shown in FIG. 7, the opening / closing device 2 includes an opening / closing mechanism 20 and a control mechanism 3. In FIG. 7, a plurality of opening / closing mechanisms 20 arranged in each ventilation port A can be collectively controlled by one control mechanism 3. In the drawing, the opening / closing mechanism 20 of the ventilation port A formed in the upper base member 16 is controlled by one control mechanism 3, and the opening / closing mechanism 20 of the ventilation port A formed in the lower base member 16 is controlled by 1. Control is performed by the mechanism 3.

  FIG. 8 shows an embodiment of a circuit diagram showing the electrical configuration of the electromagnetic coils 211 and 212 and the control mechanism 3. FIG. 8 shows only a pair of first electromagnetic coil 211 and second electromagnetic coil 212 among the plurality of self-holding solenoids 21 controlled by the control mechanism 3, and the remaining electromagnetic coils 211 and 212 are not shown. However, the remaining first electromagnetic coil 211 is connected in parallel with the illustrated first electromagnetic coil 211, and the remaining second electromagnetic coil 212 is connected in parallel with the illustrated second electromagnetic coil 212.

  The control mechanism 3 includes a control circuit 30. As shown in FIG. 8, the control circuit 30 includes a high potential side power supply terminal PVDD, a low potential side power supply terminal PVSS, an electromagnetic relay 310, a timer relay 320, a resistor 33, a diode 34, a diode 35, And a capacitor 36 serving as a power storage means. The electromagnetic relay 31 has a normally open (make) contact 310, a normally closed (break) contact 311, and a relay coil 312. The timer relay 32 has a normally closed contact 320 and a relay coil 321. The delay time of the timer relay 32 (the time from when the current flows through the relay coil 321 until the normally closed contact 320 opens) is set to 0.5 seconds.

  In this embodiment, 24 V DC voltage is applied between the high-potential-side power supply terminal PVDD and the low-potential-side power supply terminal PVSS at the normal time when no power failure occurs. As shown in FIG. 8, a normally open contact 310, a normally closed contact 320, and a first electromagnetic coil 211 are inserted in series between the high potential side power supply terminal PVDD and the low potential side power supply terminal PVSS of the control circuit 30. Has been. A relay coil 312 is interposed between the high potential side terminal N1 of the normally open contact 310 and the low potential side power supply terminal PVSS. Further, a relay coil 321 is interposed between the other terminal N2 of the normally open contact 310 and the low potential side power supply terminal PVSS.

  The anode N of the diode 35 is connected to the terminal N2 of the normally open contact 310, and the resistor 33 and the capacitor 36 are inserted in series between the cathode of the diode 35 and the low potential side power supply terminal PVSS. A diode 34 is connected in reverse parallel to the resistor 33, and a normally closed contact 311 and a second electromagnetic coil are connected between the common connection point N3 of the cathode of the diode 34 and the cathode of the diode 35 and the low potential side power supply terminal PVSS. 212 is inserted in series.

  Hereinafter, the details of the control of the opening / closing mechanism 20 executed by the control circuit 30 will be described with reference to FIG. FIG. 9 is a diagram showing the current flowing through each part of the control circuit 30. In FIG. 9A, the path of the current flowing through each part of the control circuit 30 immediately after the start of power feeding is indicated by a bold line. When a DC voltage of 24 V is applied between the high potential side power supply terminal PVDD and the low potential side power supply terminal PVSS, a current flows through the relay coil 312 of the electromagnetic relay 31. For this reason, the normally open contact 310 of the electromagnetic relay 310 is closed, and the normally closed contact 311 is opened. As a result, a current flows through the diode 35, the normally closed contact 320 and the relay coil 321 through the normally open contact 310.

  Since the normally closed contact 311 is open, the current flowing through the diode 35 flows through the resistor 33 to the capacitor 36. Thereby, the capacitor 36 is charged. The diode 34 is reverse-biased, so no current flows.

  The current that flows to the normally closed contact 320 flows to the first electromagnetic coil 211. For this reason, the plunger 215 moves forward in the X direction by the suction of the first electromagnetic coil 211. As a result, the shaft 216 pushes the opening / closing member 23 and moves forward to the first position where the shaft 216 contacts the ventilation port A as shown in FIGS. And the ventilation opening A is obstruct | occluded by the opening-and-closing member 23, and the inside of the cage | basket | car 10 is maintained airtight.

  When a predetermined time, for example, 0.5 seconds elapses after the current flows through the relay coil 321, the normally closed contact 320 opens, and the flow of current into the first electromagnetic coil stops as shown in FIG. 9B. . Even if the flow of current to the first electromagnetic coil 211 is stopped, a magnetic circuit is formed by the permanent magnet 213, the plunger 215, and the magnetic yoke 214, so that the plunger 215 is moved to the first position by the magnetic force. The ventilation port A is maintained in a closed state by the opening / closing member 23.

  When the charging of the capacitor 36 is completed, as shown in FIG. 9C, the current stops flowing in the subsequent path of the diode 35, and the inflow of the current to the capacitor 36 is stopped.

  As described above, according to the present embodiment, when a current is passed through the first electromagnetic coil 211 for a predetermined time, the plunger 215 moves to the first position, and the ventilation opening A can be closed by the opening / closing member 23. it can. In addition, after the elapse of a predetermined time from the start of power feeding, the plunger 215 is held at the first position by the formed magnetic circuit without passing a current through the first electromagnetic coil 211 at all times. The obstruction of the ventilation opening A can be maintained. Therefore, it is possible to close the ventilation port A with less power consumption and maintain the state.

  When power supply to the control circuit 30 is stopped due to a power failure or the like, the inflow of current to the relay coil 312 is stopped, so that the normally open contact 310 is opened and the normally closed contact 311 is closed. Further, since the inflow of current to the relay coil 321 is also stopped, the normally closed contact 320 is closed. Since the normally closed contact 311 is closed, a current path indicated by a thick line in FIG. 9D is formed, and the capacitor 36 starts discharging. Note that no current flows through the diode 35 because the diode 35 is reverse-biased.

  As a result, a current flows through the second electromagnetic coil 212, and the plunger 215 moves backward in the Y direction due to the suction by the second electromagnetic coil 212. As the plunger 215 retreats, the shaft 216 pulls the opening / closing member 23 and retreats to the second position where the ventilation port A opens as shown in FIGS. 5 and 6. When the ventilation opening A is opened, the airtight state of the car 10 is released, and the inside of the car 10 is exposed to the outside through the ventilation opening A formed in the upper base member 16a and the ventilation opening A formed in the lower base member 16b. It is communicated to allow ventilation.

  When the discharge of the capacitor 36 is completed, no current flows through the second electromagnetic coil 212, but a magnetic circuit is formed by the permanent magnet 213, the plunger 215 and the magnetic yoke 214. Is held in the second position and the ventilation opening A is kept open.

  Thus, according to this embodiment, by discharging the charging power of the capacitor 36, a current flows through the second electromagnetic coil 212 for a predetermined time, and the plunger 215 moves to the second position. As a result, the opening / closing member 23 opens the ventilation opening A. Further, after the discharge is completed, the plunger 215 is held at the second position by the formed magnetic circuit without passing a current through the second electromagnetic coil 212 at all times. Can be maintained. Therefore, it is possible to open the ventilation opening A with low power consumption and maintain the state.

  Thereafter, when the power failure is completed and the power supply to the control circuit 30 with the DC voltage of 24 V is resumed, a current flows through the first electromagnetic coil 211, and the ventilation opening A is closed again by the opening / closing member 23 (FIG. 9A). )) And the airtightness of the interior of the car 10 is also maintained thereafter (FIGS. 9B and 9C).

  As described above, according to the present invention, it is possible to maintain the closing or opening of the ventilation opening A by the opening / closing member 23 without constantly flowing current through the first electromagnetic coil 211 and the second electromagnetic coil 212. The power consumption of the entire elevator is suppressed, and the electromagnetic coils 211 and 212 do not generate excessive heat. Therefore, the automatic opening / closing of the ventilation opening A provided in the elevator car 10 can be realized with less power consumption. In addition, operations such as maintenance personnel are unnecessary for these operations.

Second Embodiment
In the above embodiment, one opening / closing member 23 is operated by two self-holding solenoids 21, 21. However, as shown in FIG. 10, one self-holding solenoid 21 is provided for one opening / closing member 23. It is also possible to adopt a configuration in which In this case, it is preferable that the ventilation opening A and the opening / closing member 23 are formed smaller than those in the first embodiment to reduce the load of each self-holding solenoid 21. In addition, what is necessary is just to increase the number of ventilation openings A rather than 1st Embodiment by the part which made the ventilation opening A small.

  The above description is for explaining the present invention, and should not be construed as limiting the invention described in the claims or limiting the scope thereof. Further, the configuration of each part of the present invention is not limited to the above-described embodiment, and various modifications can be made within the technical scope described in the claims.

  For example, the opening / closing mechanism 20 is not limited to the self-holding solenoid 21 having the configuration of the above-described embodiment, and a push-type solenoid including one electromagnetic coil and a coil spring may be employed. Further, the opening / closing mechanism 20 is not limited to a solenoid operated mechanism as long as the opening / closing member 23 can open and close the ventilation port A.

  In the above embodiment, the opening / closing mechanism 20 pushes the shaft 216 so that the opening / closing member 23 closes the ventilation port A and pulls the shaft 216 back to open the opening / closing member 23. The member 23 is arranged so that the ventilation port A is located on the shaft 216 side, the opening / closing member 23 closes the ventilation port A by pulling back the shaft 216, and the opening / closing member 23 pushes the ventilation port A by pushing the shaft 216. You may make it open.

  Furthermore, even when the ventilation opening A is formed in the base member 16, the base member 16 may be disposed so as to open inward in the circumferential surface, and the opening / closing mechanism 20 may be attached inside.

DESCRIPTION OF SYMBOLS 1 Car 12 Side panel 13 Sealing plate 14 Platform 19 Kick plate 16 Base member 16a Upper base member 16b Lower base member 2 Opening and closing device 40 Car light box A Ventilation opening

Claims (7)

A side panel is provided on the side and rear of the front panel on which the door is formed.
Between the side panel and the sealing plate, an upper base member in which the ventilation port is formed is disposed,
The ventilation opening includes an opening / closing member that opens and closes the ventilation opening,
The upper base member is provided with an opening / closing device that moves the opening / closing member outside the ventilation port.
Elevator with ventilation opening. A car light box that illuminates the car to a position lower than the ventilation port is suspended and supported on the ceiling plate,
Between the upper base member and the car light box, a gap that allows ventilation from the ventilation opening is formed,
An elevator provided with the ventilation opening according to claim 1. A side panel is provided on the side and rear of the front panel on which the door is formed.
Between the side panel and the platform, a lower base member in which the ventilation port is formed is disposed,
The ventilation opening includes an opening / closing member that opens and closes the ventilation opening,
The lower base member is provided with an opening / closing device that moves the opening / closing member outside the ventilation port.
Elevator with ventilation opening. The lower base member is formed at a position recessed outside the car than the side panel, and the kick plate is substantially flush with the side panel.
An elevator provided with the ventilation opening according to claim 3 . Between the side panel and the sealing plate, an upper base member in which the ventilation port is formed is disposed,
A car light box that illuminates the car to a position lower than the ventilation port is suspended and supported on the ceiling plate,
Between the upper base member and the car light box, a gap that allows ventilation from the ventilation opening is formed,
The elevator which provided the ventilation port of Claim 3 or Claim 4 . The upper base member or the lower base member includes a vertical portion, a first horizontal portion orthogonal to the upper end of the vertical portion, and a second horizontal portion extending from the lower end in the same direction as the first horizontal portion. a Jo, the first horizontal portion and the second horizontal portion extending outwardly with respect to the peripheral surface of said car,
The ventilation opening is opened in the vertical portion,
The opening / closing device is disposed between the first horizontal portion and the second horizontal portion ,
Elevator provided with vent according to any one of claims 1 to 5. The opening / closing member has a roller bracket attached with a roller at the tip,
The upper base member or the lower base member is provided with a guide for rolling the roller so that the opening / closing member can slide in parallel while maintaining a vertical state.
The elevator which provided the ventilation port in any one of Claims 1 thru | or 6.

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