阅读说明：本技术 具有确保电梯的作业者安全的功能的控制装置和电梯系统 (Control device having function of ensuring safety of elevator operator, and elevator system ) 是由 高木敦史 于 2018-01-26 设计创作，主要内容包括：提供能够更加可靠地确保作业者的安全的电梯的控制装置。电梯的控制装置具有：检测部,其检测作业者是否位于电梯的轿厢的顶棚部；以及控制部,其在所述检测部检测到作业者时,使设置于所述轿厢侧的设备进行动作,以使得在所述电梯的井道的上部,在所述轿厢到达预先设定的位置时,所述设备与设置于所述井道侧的设备接触,由此抑制所述轿厢的上升。(Provided is a control device for an elevator, which can ensure the safety of operators more reliably. The elevator control device comprises: a detection unit that detects whether or not an operator is positioned on a ceiling portion of a car of an elevator; and a control unit that, when the detection unit detects an operator, operates a device provided on the car side such that, in an upper portion of a hoistway of the elevator, when the car reaches a predetermined position, the device comes into contact with the device provided on the hoistway side, thereby suppressing an ascent of the car.)

1. A control device for an elevator, comprising:

a detection unit that detects whether or not an operator is positioned on a ceiling portion of a car of an elevator; and

and a control unit that, when the detection unit detects an operator, operates a device provided on the car side such that, in an upper portion of a hoistway of the elevator, when the car reaches a predetermined position, the device comes into contact with the device provided on the hoistway side, thereby suppressing an ascent of the car.

2. A control device for an elevator, comprising:

a detection unit that detects whether or not an operator is positioned at a lower portion of a hoistway of an elevator; and

and a control unit that, when the detection unit detects an operator, operates a device provided on a car side of the elevator so that, when the car reaches a predetermined position in a lower portion of the hoistway, the device comes into contact with the device provided on the car side, thereby suppressing a descent of the car.

3. A control device for an elevator, comprising:

a detection unit that detects whether or not an operator is positioned at a lower portion of a hoistway of an elevator; and

and a control unit that, when the detection unit detects an operator, operates a device provided on a car side of the elevator so that, when a counterweight of the elevator reaches a predetermined position in a lower portion of the hoistway, the device comes into contact with the device provided on the hoistway side, thereby suppressing a lowering of the counterweight.

4. The control device for an elevator according to any one of claims 1 to 3,

when the detection unit detects an operator and the car is stopped, the control unit activates a dynamic brake of a hoisting machine for raising and lowering the car.

5. An elevator system, having:

an upper side detection device for detecting an operator positioned on a ceiling portion of a car of an elevator;

a car-side-rise suppressing body provided at an upper portion of a hoistway of the elevator;

a car-side contact body provided to the car; and

and a control device that, when the upper detection device detects an operator, causes the car-side contact member to protrude toward the car-side elevation inhibitor side so that, in an upper portion of the hoistway, when the car reaches a predetermined position, the car-side contact member comes into contact with the car-side elevation inhibitor to inhibit elevation of the car.

6. The elevator system of claim 5,

the car side elevation inhibitor has a notch,

the car-side contact member is accommodated in the cutout of the car-side elevation inhibitor when contacting the car-side elevation inhibitor.

7. An elevator system, having:

a lower side detection device for detecting an operator located at a lower part of a hoistway of an elevator;

a car-side descent control member provided at a lower portion of the hoistway;

a car-side contact body provided to a car of the elevator; and

and a control device that, when the lower detection device detects an operator, causes the car-side contact member to protrude toward the car-side descent control member so that the car-side contact member comes into contact with the car-side descent control member when the car reaches a predetermined position in a lower portion of the hoistway, thereby controlling descent of the car.

8. The elevator system of claim 7,

the car side-fall restraint body has a cutout,

the car-side contact member is accommodated in the cutout of the car-side descent control member when contacting the car-side descent control member.

9. An elevator system, having:

a lower side detection device for detecting an operator located at a lower part of a hoistway of an elevator;

a counterweight-side lowering suppression body provided at a lower portion of the hoistway;

a counterweight-side contact body provided to a counterweight of the elevator; and

and a control device that, when the lower detection device detects an operator, causes the counterweight-side contact member to protrude toward the counterweight-side lowering suppression body so that the counterweight-side contact member comes into contact with the counterweight-side lowering suppression body at a lower portion of the hoistway when the counterweight reaches a predetermined position, thereby suppressing lowering of the counterweight.

10. The elevator system of claim 9, wherein,

the counterweight-side descent suppressing body has a cutout,

the counterweight-side contact member is accommodated in the cutout of the counterweight-side lowering inhibitor when the counterweight-side contact member is in contact with the counterweight-side lowering inhibitor.

11. The elevator system according to any one of claims 5 to 10 wherein,

the control device activates a dynamic brake of a hoisting machine for raising and lowering a car of the elevator when the operator is detected and the car of the elevator is stopped.

Technical Field

The present invention relates to a control device having a function of ensuring safety of an elevator operator, and an elevator system.

Background

For example, patent document 1 discloses an elevator system. The elevator system is operated and controlled so that the counterweight does not enter the lower part of the hoistway when an operator is located at the lower part of the hoistway.

Disclosure of Invention

Problems to be solved by the invention

However, in the elevator system described in patent document 1, an error in operation control may occur. In this case, the counterweight may enter the lower portion of the hoistway.

The present invention has been made to solve the above problems. The invention aims to provide a control device of an elevator and an elevator system, which can ensure the safety of operators more reliably.

Means for solving the problems

The elevator control device of the invention comprises: a detection unit that detects whether or not an operator is positioned on a ceiling portion of a car of an elevator; and a control unit that, when the detection unit detects an operator, operates a device provided on the car side such that, in an upper portion of a hoistway of the elevator, when the car reaches a predetermined position, the device comes into contact with the device provided on the hoistway side, thereby suppressing an ascent of the car.

The elevator control device of the invention comprises: a detection unit that detects whether or not an operator is positioned at a lower portion of a hoistway of an elevator; and a control unit that, when the detection unit detects an operator, operates a device provided on a car side of the elevator so that, when the car reaches a predetermined position in a lower portion of the hoistway, the device comes into contact with the device provided on the car side, thereby suppressing a descent of the car.

The elevator control device of the invention comprises: a detection unit that detects whether or not an operator is positioned at a lower portion of a hoistway of an elevator; and a control unit that, when the detection unit detects an operator, operates a device provided on a car side of the elevator so that, when a counterweight of the elevator reaches a predetermined position in a lower portion of the hoistway, the device comes into contact with the device provided on the hoistway side, thereby suppressing a lowering of the counterweight.

The elevator system of the invention comprises: an upper side detection device for detecting an operator positioned on a ceiling portion of a car of an elevator; a car-side-rise suppressing body provided at an upper portion of a hoistway of the elevator; a car-side contact body provided to the car; and a control device that, when the upper detection device detects an operator, causes the car-side contact member to protrude toward the car-side elevation inhibitor side so that, in an upper portion of the hoistway, when the car reaches a predetermined position, the car-side contact member comes into contact with the car-side elevation inhibitor to inhibit elevation of the car.

The elevator system of the invention comprises: a lower side detection device for detecting an operator located at a lower part of a hoistway of an elevator; a car-side descent control member provided at a lower portion of the hoistway; a car-side contact body provided to a car of the elevator; and a control device that, when the lower detection device detects an operator, causes the car-side contact member to protrude toward the car-side descent control member so that, at a lower portion of the hoistway, when the car reaches a predetermined position, the car-side contact member comes into contact with the car-side descent control member, thereby controlling the descent of the car.

The elevator system of the invention comprises: a lower side detection device for detecting an operator located at a lower part of a hoistway of an elevator; a counterweight-side lowering suppression body provided at a lower portion of the hoistway; a counterweight-side contact body provided to a counterweight of the elevator; and a control device that, when the lower detection device detects an operator, causes the counterweight-side contact member to protrude toward the counterweight-side lowering inhibitor side so that the counterweight-side contact member contacts the counterweight-side lowering inhibitor when the counterweight reaches a predetermined position at a lower portion of the hoistway, thereby inhibiting lowering of the counterweight.

Effects of the invention

According to these inventions, the elevator car is prevented from moving up and down when the operator is detected. Further, the lowering of the counterweight is suppressed. Therefore, the safety of the operator can be ensured more reliably.

Drawings

Fig. 1 is a configuration diagram of an elevator system according to embodiment 1.

Fig. 2 is a perspective view of a main part of an elevator system according to embodiment 1.

Fig. 3 is a perspective view of a main part of an elevator system according to embodiment 1.

Fig. 4 is a perspective view of a main part of an elevator system according to embodiment 1.

Fig. 5 is a side view of a main part of an elevator system in embodiment 1.

Fig. 6 is a perspective view of a main part of an elevator system according to embodiment 1.

Fig. 7 is a perspective view of a main part of an elevator system according to embodiment 1.

Fig. 8 is a perspective view of a main part of an elevator system according to embodiment 1.

Fig. 9 is a perspective view of a main part of an elevator system according to embodiment 1.

Fig. 10 is a flowchart for explaining an outline of an operation of the control device of the elevator system in embodiment 1.

Fig. 11 is a flowchart for explaining an outline of an operation of the control device of the elevator system in embodiment 1.

Fig. 12 is a hardware configuration diagram of a control device of an elevator system in embodiment 1.

Detailed Description

The mode for carrying out the invention is explained in accordance with the drawings. In the drawings, the same or corresponding portions are denoted by the same reference numerals. Repeated explanation of this portion is appropriately simplified or omitted.