Elevator control device

Abstract

An elevator control device is provided with a control panel (10) that houses electrical equipment that controls the operation of an elevator and is disposed in a hoistway, and a drip-proof cover (20) that covers the upper surface, front surface, back surface, and left and right side surfaces of the control panel (10), in which the drip-proof cover (20) has an inspection door (23) that can be opened and closed at least one of the left and right side surfaces, and the elevator control device is provided with a sliding mechanism (30) that slides the control panel (10) to pull it out to the outside of the drip-proof cover from an opening portion of the drip-proof cover (20) that is opened and closed by the inspection door (23).

Description

TECHNICAL FIELD

[0001] The present disclosure relates to an elevator control device provided in a hoistway. BACKGROUND

[0002] In Patent Literature 1, there is disclosed a content in which, when a control panel is provided in a hoistway without a machine room, the control panel is housed in a cover for the purpose of securing drip resistance. Further, there is disclosed a content in which an upper cover covering substantially the upper half of the control panel and a lower cover covering substantially the lower half are combined as the cover.

[0003] PRIOR ART DOCUMENTS

[0004] PATENT LITERATURE

[0005] Patent Literature 1: Japanese Patent Application Publication No. 2018-144978 SUMMARY

[0006] PROBLEMS TO BE SOLVED BY THE INVENTION

[0007] However, in the device disclosed in Patent Literature 1, a worker who performs maintenance and inspection of the control panel needs to slide the upper cover to the upper side of the control panel to remove it, and slide the lower cover to the lower side of the control panel to remove it, and there is a problem in that the workability of the maintenance and inspection is reduced due to this complicated work.

[0008] Therefore, an object of the present disclosure is to provide an elevator control device that can secure drip resistance when a control panel is provided in a hoistway, and a worker can more easily perform maintenance and inspection.

[0009] MEANS FOR SOLVING THE PROBLEMS

[0010] The elevator control device of the present disclosure includes a control panel that houses an electrical device that controls the operation of an elevator, is provided at a position higher than the upper surface of a car stopped at the lowermost floor in a hoistway, and is fixed to a guide rail provided in the hoistway by a linking member, maintenance work of the control panel is performed by a worker who gets on the upper surface of the car, and a drip-resistant cover that covers the upper surface, the front surface, the back surface, and the side surfaces of the control panel. In the elevator control device, the drip-resistant cover has a maintenance door that can be opened and closed at least one of the side surfaces, and the elevator control device includes a sliding mechanism that slides the control panel to be pulled out to the outside of the drip-resistant cover from an opening portion of the drip-resistant cover that is opened and closed by the maintenance door. The sliding mechanism is a multi-stage slide rail, at least one slide rail of the multi-stage slide rail is fixed to the control panel, the multi-stage slide rail supports the control panel when the control panel is pulled out to the outside of the drip-resistant cover, and the multi-stage slide rail is covered by the drip-resistant cover when the control panel is covered by the drip-resistant cover.

[0011] EFFECT OF THE INVENTION

[0012] According to the elevator control device of the present disclosure, when a control panel is provided in a hoistway, drip resistance can be ensured, and maintenance and repair work can be performed more easily by a worker. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a schematic configuration view showing a state in which the elevator control device of the embodiment is provided in a hoistway.

[0014] Figure 2 is a perspective view of a control panel of the elevator control device of the embodiment.

[0015] Figure 3 is a perspective view of a drip-proof cover of the elevator control device of the embodiment.

[0016] Figure 4 is a perspective view showing a state in which a link member is attached to the elevator control device of the embodiment.

[0017] Figure 5 is an enlarged cross-sectional view along the B-B line of Figure 4 .

[0018] Figure 6 is a perspective view showing a state before the control panel is pulled out to the outside of the drip-proof cover.

[0019] Figure 7 is a perspective view showing a state after the control panel is pulled out to the outside of the drip-proof cover.

[0020] Figure 8 is an enlarged cross-sectional view along the C-C line of Figure 6 .

[0021] Figure 9 is an enlarged cross-sectional view along the B-B line of a modification of the elevator control device of the embodiment. DETAILED DESCRIPTION

[0022] Hereinafter, the embodiment will be described. Figure 1 is a view showing a state in which the elevator control device 1 of the embodiment is provided in a hoistway H. As shown in Figure 1 , the elevator control device 1 includes a control panel 10 and a drip-proof cover 20 provided so as to cover the periphery of the control panel 10. An electrical device that controls the operation of an elevator is housed in the control panel 10. A worker W who performs maintenance and repair of the electrical device performs the work by pulling out the control panel 10 from an opening portion provided in the side surface of the drip-proof cover 20 to the outside of the drip-proof cover 20 to expose the electrical device, and performing maintenance and repair. A sliding mechanism 30 for sliding the control panel 10 to be pulled out to the outside of the drip-proof cover 20 is provided above and below the control panel 10.

[0023] The elevator control device 1 is provided at a position higher than the upper surface of the car B stopped at the lowermost floor, and a workman W for maintenance and inspection performs an inspection work above the car B. The elevator control device 1 is fixed to the guide rail R provided in the hoistway H by the pair of link members 40 above and below.

[0024] Figure 2 is a perspective view of the control panel 10. As shown in Figure 2 , the control panel 10 has a structure in which the electrical equipment 12 is arranged in a frame 11 which is open at the front. The sliding mechanisms 30 are fixed to the upper surface and the lower surface of the control panel 10. The fixing members 32 for fixing the sliding mechanisms 30 to the link members 40 are attached to the sides of the sliding mechanisms 30 opposite to the control panel 10. Further, the lock mechanisms 31 which switch between a locked state in which the sliding of the control panel 10 by the sliding mechanisms 30 is restricted and an unlocked state in which the restriction is released are provided in the sliding mechanisms 30. The lock mechanisms 31 are, for example, latches. Further, the first handle 15 for the workman W is provided in the side surface of the left side of the control panel 10. The first handle 15 corresponds to the handle of the present disclosure.

[0025] In the present disclosure, the front side when viewed from the workman W facing the elevator control device 1 during maintenance and inspection is "front", the inside is "back", the upper side is "up", the lower side is "down", the right side is "right", and the left side is "left".

[0026] Figure 3 is a perspective view of the drip-proof cover 20. As shown in Figure 3 , the drip-proof cover 20 is a box having a drip-proof structure, and is provided so as to non-tightly cover the upper surface, the front surface, the back surface, and the side surfaces of the left and right of the control panel 10, and to protect the control panel 10 from the influence of rain and the like. The drip-proof cover 20 has a structure capable of ensuring a drip-proof performance of a level or more which is defined as a protection content from the harmful influence of rain inclined within 60° to the vertical direction, according to the IP (Ingress Protection) standard of the IEC (International Electrotechnical Commission) standard which is a standard for defining a waterproof level. The drip-proof cover 20 is composed of a material having waterproofness such as a metal plate, an acrylic plate, and the like. On the front surface of the drip-proof cover 20, a plurality of louvers 26 for ventilation are provided. Further, the drip-proof cover 20 has an inspection door 23 in the side surface of the left side. At the inspection door 23, a second handle 24 for opening and closing thereof is provided.

[0027] Figure 4 is a perspective view showing a state in which the link members 40 are attached to the elevator control device 1. As shown in Figure 4As shown, a pair of connecting members 40 extending in the left-right direction are arranged above and below the drip cover 20, which is positioned to cover the control panel 10. A pair of uprights 41 are mounted on the connecting members 40, and these uprights 41 are located on the left and right sides of the drip cover 20 and extend in the up-down direction. Furthermore, the pair of uprights 41 are fixed to the rearward position on the left and right sides of the drip cover 20.

[0028] Figure 5 It is along Figure 4 An enlarged sectional view of the BB line. (e.g.) Figure 5 As shown, the fixing member 32, which is mounted on the control panel 10 via the sliding mechanism 30, is fixed to the connecting member 40 at the position indicated by arrow D in the figure. The sliding mechanism 30 is a three-stage slide rail with an outer rail 30a, a middle rail 30b, and an inner rail 30c. The outer rail 30a is fixed to the fixing member 32, and the inner rail 30c is fixed to the control panel 10.

[0029] Next, refer to Figure 6 and Figure 7 The maintenance and repair work for elevator control equipment 1 is described. Figure 6 This is a perspective view showing the state of the control panel 10 before it is pulled out of the drip cover 20. Figure 7 This is a perspective view showing the control panel 10 after it has been pulled out of the drip cover 20. First, the operator W opens the access door 23 of the drip cover 20. Thus, it becomes as follows... Figure 6 The left side of the control panel 10 can be seen as shown. Then, the operator W switches the locking mechanism 31 from the locked state to the unlocked state. Then, the first handle 15 is pulled to the left (towards the opening that is opened and closed by the maintenance door 23), and the control panel 10 is slid out through the sliding mechanism 30 to the outside of the drip cover 20. Thus, the control panel 10 is pulled out from the opening that is opened and closed by the maintenance door 23 to the outside of the drip cover 20, becoming as shown... Figure 7 The electrical equipment 12 is then easily accessible as shown. After switching the locking mechanism 31 from the unlocked state to the locked state, the operator W performs maintenance and repair work on the electrical equipment 12. If the maintenance and repair work is completed, the operator W switches the locking mechanism 31 to the unlocked state, causing the control panel 10 to return to the inside of the drip cover 20, switches the drip cover 20 to the locked state, and closes the maintenance door 23.

[0030] Figure 8 It is along Figure 6 An enlarged sectional view of the CC line. (e.g.) Figure 8As shown, the control panel 10 is provided with a detection unit 17 that detects opening and closing of the maintenance door 23 and outputs a signal indicating opening of the maintenance door 23 when the opening is detected. The detection unit 17 is, for example, a contact sensor configured such that its sensor portion comes into contact with a protruding member 17a attached to the maintenance door 23 when the maintenance door 23 is in a closed state, and the detection unit 17 detects opening and closing of the maintenance door 23 by recognizing whether or not the protruding member 17a is in contact. The signal indicating opening of the maintenance door 23 is output to an unillustrated elevator control portion, and the elevator control portion restricts movement of the car B in accordance with the signal, thereby enabling a worker W performing a maintenance work on the car B to safely perform the work.

[0031] As described above, the elevator control device 1 of the embodiment is provided with: the control panel 10 that houses the electrical equipment 12 that controls operation of the elevator and is disposed in the hoistway H; and the drip-proof cover that covers the upper surface, the front surface, the back surface, and the left and right side surfaces of the control panel 10. The drip-proof cover 20 has the maintenance door 23 that is openable and closable in at least one of the left and right side surfaces. Further, the elevator control device 1 is provided with the sliding mechanism 30 that slides the control panel 10 to pull out the control panel 10 to the outside of the drip-proof cover 20 from the opening portion of the drip-proof cover 20 that is opened and closed by the maintenance door 23. Therefore, when the control panel 10 is disposed in the hoistway H, the drip-proof property can be ensured by the drip-proof cover 20. Further, a worker who performs maintenance of the electrical equipment 12 opens the maintenance door 23 and slides the control panel 10, whereby the electrical equipment 12 can be easily accessed and the maintenance work can be easily performed.

[0032] Further, in the above embodiment, the case where the elevator control device 1 is fixed and disposed to the guide rail R is described, but instead, for example, the elevator control device 1 can be fixed and disposed to a wall surface in the hoistway.

[0033] Further, in the above embodiment, the case where the maintenance door 23 is provided to the left side surface of the drip-proof cover 20 and the first handle 15 is provided to the left side surface of the control panel 10 is described, but the maintenance door 23 and the first handle 15 can be provided to the right side surface of the drip-proof cover 20. That is, the maintenance door 23 and the first handle 15 can be provided to either of the left and right side surfaces of a space in which the control panel 10 can be pulled out to the outside of the drip-proof cover 20.

[0034] Further, when the control panel 10 is carried into the hoistway H from a factory or the like, a protection plate 19 is sometimes attached to the front surface of the control panel to perform transportation, and the protection plate 19 is detached after being carried into the hoistway H. Therefore, as shown in FIG. 6, the protection plate 19 is attached to the front surface of the control panel 10 when the control panel 10 is carried into the hoistway H, and the protection plate 19 is detached after the control panel 10 is carried into the hoistway H. Figure 9As shown in a modification of the present embodiment, a protection plate mounting portion 29 for mounting a protection plate 19 for transportation, which is detached from the control panel 10, can be provided in the drip-proof cover 20. The protection plate mounting portion 29 is provided on the inner side of the front surface of the drip-proof cover 20, and the protection plate 19 is mounted in the space between the drip-proof cover 20 and the control panel 10. Thus, the cover plate arranged on the front surface side of the control panel 10 can be formed in two layers, and the protection against rainfall and the like from the front surface side of the control panel 10 can be enhanced.

[0035] REFERENCE NUMERALS

[0036] 1: Elevator control device

[0037] 10: Control panel

[0038] 11: Frame

[0039] 12: Electrical equipment

[0040] 15: First handle

[0041] 17: Detection unit

[0042] 19: Protection plate

[0043] 20: Drip-proof cover

[0044] 23: Service door

[0045] 24: Second handle

[0046] 26: Louver

[0047] 29: Protection plate mounting portion

[0048] 30: Sliding mechanism

[0049] 31: Locking mechanism

[0050] 40: Link member

[0051] 41: Stand

[0052] 17a: Protruding member

[0053] 30a: Outer rail

[0054] 30b: Intermediate rail

[0055] 30c: Inner rail

Claims

1. An elevator control device, comprising: a control panel that houses electrical equipment that controls operation of an elevator, is disposed at a position higher than an upper surface of a car that stops at a lowermost floor in an elevator shaft, and is fixed to a guide rail disposed in the elevator shaft via a connecting member, maintenance work of the control panel being performed by a worker who boards the upper surface of the car; and a drip-proof cover that covers an upper surface, a front surface, a back surface, and left and right side surfaces of the control panel, wherein the elevator control device is characterized in that: the drip-proof cover has a maintenance door in at least one of the left and right side surfaces, the elevator control device comprises a sliding mechanism that slides the control panel to pull it out to the outside of the drip-proof cover from an opening portion of the drip-proof cover that is opened and closed by the maintenance door, the sliding mechanism is a multi-stage slide rail, at least one slide rail of the multi-stage slide rail is fixed to the control panel, the multi-stage slide rail supports the control panel when the control panel is pulled out to the outside of the drip-proof cover, and the multi-stage slide rail is covered by the drip-proof cover when the control panel is covered by the drip-proof cover.

2. The elevator control device according to claim 1, wherein the elevator control device further comprises a lock mechanism that switches between a locked state that restricts sliding of the control panel by the sliding mechanism and an unlocked state that releases the restriction.

3. The elevator control device according to claim 1 or 2, wherein a handle is provided on the opening portion side of the control panel.

4. The elevator control device according to any one of claims 1 to 3, wherein the drip-proof cover has a protection plate mounting portion for mounting a protection plate that is detached from the control panel.

5. The elevator control device according to any one of claims 1 to 4, wherein the control panel further comprises a detection unit that detects opening and closing of the maintenance door and outputs a signal indicating that the maintenance door is open when it is detected that the maintenance door is open. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

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