JPH06219659A - Elevator monitoring equipment - Google Patents

Abstract

(57) [Summary] [Purpose] To provide an elevator monitoring device capable of eliminating interlacing of floor displays, providing smooth display, and matching the actual car position and the display position during a power failure. [Structure] Receiving an elevator status signal from an elevator controller, displaying the status of the elevator on a display device,
In the elevator monitoring device for monitoring the state of the elevator, performing the calculation S23 for predicting the passage timing of the car passage floor from the elevator speed signal, controlling the display of the car position S24, and detecting the power failure from the power failure signal S25, With the power failure signal and the elevator speed signal,
The travel distance from when the emergency brake is applied to the elevator to when the elevator car is stopped is calculated, the car stop floor is calculated S26, and the display of the car stop floor during a power failure is controlled S27.
To do.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator monitoring device, and more particularly to an elevator monitoring device for displaying an operating state of an elevator on a display device and monitoring the elevator state.

[0002]

2. Description of the Related Art FIG. 8 is an overall configuration diagram showing a conventional elevator and elevator monitoring device. In the figure, 1 is an elevator monitoring device provided in a monitoring room, 2 is a display device for displaying the state of the elevator, 3 is an elevator control device, and sends each signal indicating the operating state of the elevator to the elevator monitoring device 1. . 4 is an elevator control device 3
A drive device for driving the hoisting machine 5 in response to a traveling command from
Is an elevator car that moves up and down according to the drive of the hoist 5,
Is a counterweight, and the counterweight 7 and the elevator car 6 are hung in a fishing bottle shape by a rope 8 wound around the hoisting machine 5, and move up and down as the hoisting machine 5 rotates. A governor device 9 is a governor device which is attached to one end of a governor rope connected to the elevator car 6 to detect the speed of the elevator car 6 and mechanically brakes when an abnormal speed is reached. 10 is a governor device. 9 is a car moving distance pulse generator for generating a pulse signal at every fixed distance movement for detecting the moving distance of the elevator car 6, which is attached to the vehicle 9 and generates a UP pulse when rising and a DN pulse when falling. 11 is the floor of the elevator hall on each floor.

FIG. 9 is a block diagram showing a hardware configuration of a conventional elevator monitoring apparatus, which is equipped with a microcomputer. In the figure, 1a is a CPU that functions as a central processing unit, 1b is a ROM (Read Only Memory) which is a read-only memory in which programs and the like that are the core of the system are stored, and 1c is various data and the CPU 1
RAM (random access memory), which is a readable memory used for temporary storage of the calculation result in a, 1d
Is a communication control unit for coupling with the elevator control device 3, and the elevator control device 3 is connected via this communication control unit 1d.
Input various elevator operation status signals from. 1e is a display control unit for coupling with the display device 2,
A signal for appropriately displaying the operating state of the elevator is output to. Reference numeral 1f is a bus (signal line group) such as a data bus or a control bus which is a passage for various information.

The CPU 1a, ROM 1b, RAM 1
In the elevator monitoring device 1 including the communication control unit 1c, the communication control unit 1d, the display control unit 1e, and the bus 1f, each processing program is stored in the ROM 1b, and is read and executed by the CPU 1a at any time. Then, the CPU 1a performs an operation according to the program stored in the ROM 1b, and the operation result is temporarily stored in the RAM 1c. The communication control unit 1d and the display control unit 1e exchange various signals by voltage level conversion and analog / digital conversion. In this way, the supervisory control of the elevator is performed.

FIG. 10 is a flow chart showing the operation of a conventional elevator monitoring device. In the figure, first, in step S1, an elevator operation state signal is received. It should be noted that in this description, the explanation will be given on the reception of the car position data, but in general, other signals such as a failure signal, a car call signal, and a landing call signal are also included. In step S2, display control for moving the car position of the elevator car 6 is performed.
Then, in step S3, the car position is displayed on the display device 2.

FIG. 11 is an explanatory view showing a display example of the display device, showing a display screen of a CRT or the like. In the figure, 2a is a hoistway display and 2b is a floor display, showing each floor 11 from the first floor to the Nth floor. 2c is a car display that displays the position of the elevator car 6, and the figure shows that the previous display moved to the second floor and the current display moved to the fourth floor.

[0007]

In the conventional elevator monitoring device as described above, the elevator status signal from the elevator control device 3 is sent at an appropriate time interval. Therefore, in the case of a high speed elevator, the floor level is high. The display is, for example,
The display after the 2nd floor was skipped and displayed without displaying the 3rd floor, which is the passing floor, like the display on the 4th floor. Therefore, there has been a complaint from an administrator that the operation of the elevator is abnormal.

Further, if a power failure occurs during traveling of the elevator, the elevator control device 3 also stops functioning due to the power failure, but the emergency brake is applied to the elevator.
Elevator car 6 to drive to a complete stop
And the display position displayed on the display device 2 were different. Therefore, the manager could not correctly know at which position the elevator car 6 was stopped.

[0009] Therefore, it is an object of the present invention to provide an elevator monitoring device capable of eliminating the jumping of the floor display, providing a smooth display, and matching the actual car position and the display position during a power failure. It is a thing.

[0010]

An elevator monitoring device according to the invention of claim 1 receives an elevator speed signal from an elevator control device in addition to an elevator status signal, and predicts the passage timing of a car passing floor from this elevator speed signal. And a display control means for controlling the display of the car position according to the output of the calculation means.

According to a second aspect of the present invention, there is provided an elevator monitoring apparatus in which an elevator car is provided with an emergency brake after the emergency braking is applied by the power failure detecting means for receiving a power failure signal from the elevator controller and the power failure signal and the elevator speed signal. It is provided with calculating means for calculating a moving distance to stop and calculating a car stop floor, and display control means for controlling display of the car stop floor at the time of power failure according to the output of the calculating means.

In the elevator monitoring apparatus according to the third aspect of the present invention, the car moving distance is input as a pulse signal, and the car position detecting means for counting the pulses to detect the car position and the output of the car position detecting means. Display control means for controlling the display of the car position accordingly.

[0013]

In the elevator monitoring apparatus according to the first aspect of the present invention, the operation for predicting the passage timing of the car passing floor is performed from the elevator speed signal and the display of the car position is controlled. The jump display is eliminated and the car position can be displayed smoothly.

In the elevator monitoring apparatus according to the second aspect of the present invention, when a power failure is detected from the power failure signal, the travel distance from the emergency braking of the elevator to the stop of the elevator car is calculated by the power failure signal and the elevator speed signal. However, since the car stop floor is calculated and the display of the car stop floor at the time of power failure is controlled, the actual position and display position of the elevator car at the time of power failure match.

In the elevator monitoring device according to the third aspect of the present invention, the car movement distance is input as a pulse signal, the car position is detected by counting the pulses, and the display of the car position is controlled. The car position can be detected and displayed accurately.

[0016]

Embodiments of the present invention will be described below. <First Embodiment> FIG. 1 is a block diagram showing a hardware configuration of an elevator monitoring apparatus according to a first embodiment of the present invention. In the figure, the same reference numerals and symbols as those of the above-mentioned conventional example indicate the same or corresponding components as those of the above-mentioned conventional example. In the figure, 20 is an elevator monitoring device equipped with a microcomputer, 20a is a CPU that functions as a central processing unit, 20b is a read-only ROM that stores programs that are the core of the system, and 20c is various data and C.
A readable RAM used for temporary storage of calculation results in the PU 20a, 20d is a communication control unit for inputting an elevator status signal and an elevator speed signal to the elevator control device 3, and 20e is an operating state of the elevator on the display device 2. A display control unit for outputting a signal for appropriately displaying
f is a bus (signal line group) such as a data bus or a control bus, which is a passage for various information, and 20g is a passing floor prediction calculation unit that predicts the passing timing of the passing floor from the elevator speed signal. This elevator monitoring device 20 is a CPU 20
a, ROM 20b, RAM 20c, communication control unit 20d,
Display control unit 20e, bus 20f, passing floor prediction calculation unit 20
g.

FIG. 2 is a flow chart showing the operation of the elevator monitor according to the first embodiment of the present invention. In the figure, first, in step S11, various data such as car position data and speed data are input. In step S12, it is determined whether or not it is speed data. If it is speed data, in step S13 the car speed and the floor passage timing of the passing floor are predicted, and in step S14, the display control of the car position is performed based on the prediction data and the car position data. Step S15
The car position is displayed on the display device 2.

As described above, the elevator monitoring device 20 of this embodiment receives the elevator status signal from the elevator control device 3, displays the elevator status on the display device 2, and monitors the elevator status. An elevator speed signal other than the elevator status signal is received from the elevator control device 3 via the communication control unit 20d (step S11 in FIG. 2), and a calculation for predicting the passage timing of the car passing floor from this elevator speed signal (FIG. 2) The display of the car position by the display device 2 is controlled according to the output of the passing floor prediction calculation unit 20g (calculation unit) that performs step S13) and the passage floor prediction calculation unit 20g (calculation unit) (step of FIG. 2). The display control unit 20e (display control means) for S14) is provided.

That is, the elevator monitoring device of this embodiment is
The calculation for predicting the passage timing of the car passing floor (step S13 in FIG. 2) is performed from the elevator speed signal, and the display of the car position is controlled (step S14 in FIG. 2).

Therefore, even in a high-speed elevator or the like, the display device 2 eliminates the jumping indication of the passing floor of the car position and the like, and the car position can be displayed smoothly, so that the operation of the elevator by the manager is abnormal. Can be prevented.

<Second Embodiment> FIG. 3 is a block diagram showing a hardware structure of an elevator monitoring apparatus according to a second embodiment of the present invention. In the figure, the same reference numerals and symbols as those of the first embodiment indicate the same or corresponding constituent parts as those of the first embodiment. In the figure, 21 is an elevator monitor equipped with a microcomputer, 20h is a transit floor timing predicting passage stop timing from elevator speed data, and also predicts an elevator stop floor during a power failure, and a stop floor predicting operation unit during a power failure, Reference numeral 20i is a power failure detection unit that sends a power failure detection signal to the passing floor prediction and power failure stop floor prediction calculation unit 20h in response to a power failure signal from the elevator control device 3. This elevator monitoring device 21 is CPU2
0a, ROM 20b, RAM 20c, communication control unit 20
d, a display control unit 20e, a bus 20f, a passing floor prediction and power failure stop floor prediction calculation unit 20h, and a power failure detection unit 20i.

FIG. 4 is a flow chart showing the operation of the elevator monitor according to the second embodiment of the present invention. In the figure, steps S21 to S24 are the same operations as steps S11 to S14 of FIG. 2 of the first embodiment, and therefore the description thereof is omitted here. In this embodiment, it is determined in step S25 whether a power failure is detected. In the case of a power failure, in step S26, the moving distance until the elevator car is stopped due to the emergency brake is calculated from the car speed at the time of the power failure, and the stop floor of the elevator car is predicted. The distance until the elevator is stopped after the brakes are applied is called the free running distance. In step S27, display control of the car stop floor is performed based on the prediction data, and step S28 is performed.
The car stop floor is displayed on the display device 2. If no power failure is detected in step S25, step S25 is performed as it is.
In step 28, the car position is displayed on the display device 2 according to the car position display control in step S24. The elevator monitoring device 21 of the present embodiment operates with an uninterruptible power supply even during a power failure.

As described above, the elevator monitoring device 21 of the present embodiment receives the elevator status signal from the elevator control device 3, displays the elevator status on the display device 2, and monitors the elevator status. , A power failure detection unit 20i (power failure detection means) that receives a power failure signal from the elevator control device 3 and a communication control unit 20d that receives an elevator speed signal from the elevator control device 3 in addition to the elevator status signal.
Through (step S21 in FIG. 4) and performs a calculation (step S23 in FIG. 4) for predicting the passage timing of the car passing floor from the elevator speed signal, and by the power failure signal and the elevator speed signal, Passage floor prediction and power failure stop floor prediction calculation unit 20h (calculation means) that calculates the moving distance from when the emergency brake is applied to the elevator until the elevator car stops and calculates the car stop floor (step S26 in FIG. 4) And a display control unit 20e for controlling the display of the car stop floor at the time of power failure by the display device 2 according to the output of the passing floor prediction and the power failure stop floor prediction calculation unit 20h (calculation means) (step S27 in FIG. 4). (Display control means).

That is, the elevator monitoring device of this embodiment is
When a power failure is detected from the power failure signal, the distance traveled from the emergency braking of the elevator to the stop of the elevator car is calculated by the power failure signal and the elevator speed signal, and the car stop floor is calculated (step S26 in FIG. 4). hand,
Controlling the car stop floor display during a power failure (step S2 in FIG. 4)
7) to do.

Therefore, even when a power failure occurs during traveling of the elevator as in the prior art, the problem that the actual position of the elevator car is different from the display position displayed on the display device 2 is solved, and the elevator at the time of power failure is solved. The actual position of the car and the display position match. As a result, the manager can correctly know where the elevator car is stopped, so that rescue work for passengers in the car can be promptly performed.

<Third Embodiment> FIG. 5 is a block diagram showing a hardware structure of an elevator monitoring apparatus according to a third embodiment of the present invention. In the figure, the same reference numerals and symbols as those of the above-mentioned respective embodiments indicate the same or corresponding constituent parts as those of the respective embodiments. In the figure, 22 is an elevator monitoring device equipped with a microcomputer, 20k is a car travel distance pulse generator 10 measures the travel pulse generated by the elevator car at a constant distance (for example, 1 mm), and the position of the elevator car. It is a car position detection unit for detecting. The elevator monitoring device 22 includes a CPU 20a and a ROM 20.
b, RAM 20c, communication controller 20d, display controller 20
e, a bus 20f, and a car position detector 20k.

FIG. 6 is a circuit diagram showing a car position detecting portion of an elevator monitor according to a third embodiment of the present invention.
/ DN counter. The car movement distance pulse generator 10 generates an UP pulse when the elevator car moves in the ascending direction and a DN pulse when the elevator car moves in the descending direction. If the UP / DN counter is UP pulse, U
In the case of P count and DN pulse, DN count is performed so that the contents of the counter indicate the car position. The relationship between the contents of the counter and the floor is first preset to a constant value when the elevator car is stopped on the reference floor (for example, the lowest floor). Then, the floor can be detected from the contents of the counter by storing the contents of the counter when the elevator cars are sequentially stopped on each floor.

FIG. 7 is a flow chart showing the operation of the elevator monitor according to the third embodiment of the present invention. In the figure, first, in step S31, a pulse generated by the car movement distance pulse generation device 10 at every fixed distance movement is measured. Then, in step S32, the floor position is detected from the pulse measurement value (contents of the counter) data, the floor data is sent to the display device 2 in step S33, and the car position is displayed on the display device 2 in step S34. . The car travel distance pulse generator 10 is normally backed up by a battery until the elevator stops even during a power failure, in consideration of elevator safety. Therefore, the car position can be displayed regardless of whether or not there is a power failure.

As described above, the elevator monitoring device 22 of the present embodiment receives the elevator status signal from the elevator control device 3, displays the elevator status on the display device 2, and monitors the elevator status. The moving distance of the elevator car 6 is input as a pulse signal from the car moving distance pulse generator 10, and the pulses are counted (step S31 in FIG. 7) to detect the car position (step S3 in FIG. 7).
2) Car position detector 20k (car position detector)
And the display of the car position on the display device 2 according to the output of the car position detection unit 20k (car position detection means) (FIG. 7).
And the display control unit 20e (display control means) for performing step S33).

That is, the elevator monitoring device of this embodiment is
The car movement distance is input as a pulse signal, the pulses are counted (step S31 in FIG. 7), the car position is detected (step S32 in FIG. 7), and the car position display is controlled (step S33 in FIG. 7). To do. Therefore, since the car position can be detected and displayed accurately, the manager can correctly grasp the position of the elevator car 6 and can perform accurate monitoring.

[0031]

As described above, the elevator monitoring apparatus according to the invention of claim 1 is provided with the calculating means and the display controlling means, and performs the calculation for predicting the passage timing of the car passing floor from the elevator speed signal. By controlling the display of the car and the car position, the jump display of the floor display disappears,
Since the car position can be displayed smoothly, it is possible to prevent a complaint from the manager that the operation of the elevator is abnormal.

The elevator monitoring device according to the second aspect of the invention is
A power failure detection means, a calculation means, and a display control means,
When a power failure is detected from the power failure signal, the power failure signal and the elevator speed signal are used to calculate the distance traveled from when the emergency brake is applied to the elevator until the elevator car is stopped, and the car stop floor is calculated to stop the car during a power failure. By controlling the display on the floor, the actual position of the elevator car at the time of power failure and the display position will match, so the manager can correctly know where the elevator car is stopped and the passengers in the car Rescue work etc. can be carried out promptly.

The elevator monitoring device according to the invention of claim 3 is
The car position detection means and the display control means are provided, the car movement distance is input as a pulse signal, the car position is detected by counting the pulses, and the car position display is controlled to detect the car position. Also, since the display can be made accurately, the manager can correctly grasp the position of the elevator car and can perform accurate monitoring.

[Brief description of drawings]

FIG. 1 is a block diagram showing a hardware configuration of an elevator monitoring apparatus which is a first embodiment of the present invention.

FIG. 2 is a flow chart showing the operation of the elevator monitoring device according to the first embodiment of the present invention.

FIG. 3 is a block diagram showing a hardware configuration of an elevator monitoring device which is a second embodiment of the present invention.

FIG. 4 is a flow chart showing the operation of the elevator monitoring device according to the second embodiment of the present invention.

FIG. 5 is a block diagram showing a hardware configuration of an elevator monitoring device which is a third embodiment of the present invention.

FIG. 6 is a circuit diagram showing a car position detecting portion of an elevator monitoring device according to a third embodiment of the present invention.

FIG. 7 is a flow chart showing the operation of the elevator monitoring device according to the third embodiment of the present invention.

FIG. 8 is an overall configuration diagram showing a conventional elevator and elevator monitoring device.

FIG. 9 is a block diagram showing a hardware configuration of a conventional elevator monitoring device.

FIG. 10 is a flowchart showing an operation of a conventional elevator monitoring device.

FIG. 11 is an explanatory diagram showing a display example of a display device.

[Explanation of symbols]

 2 display device 3 elevator control device 10 car moving distance pulse generation device 20, 21, 22 elevator monitoring device 20a CPU 20b ROM 20c RAM 20d communication control unit 20e display control unit 20f bus 20g transit floor prediction calculation unit 20h transit floor prediction and power failure Hour stop floor prediction calculation unit 20i blackout detection unit 20k car position detection unit

Claims (3)

[Claims] 1. An arithmetic means for receiving an elevator speed signal other than the elevator status signal from the elevator control device, and performing an arithmetic operation for predicting a passage timing of a car passing floor from the elevator speed signal, and an output of the arithmetic means. An elevator monitoring apparatus comprising: a display control unit that controls display of a car position in accordance with the display control unit. 2. A power failure detection means for receiving a power failure signal from the elevator control device, and a travel distance from when the emergency brake is applied to the elevator until the elevator car is stopped is calculated by the power failure signal and the elevator speed signal, An elevator monitoring apparatus comprising: a calculation unit that calculates a car stop floor; and a display control unit that controls display of a car stop floor during a power failure according to an output of the calculation unit. 3. A car position detection means for inputting a car movement distance as a pulse signal, counting the pulses to detect the car position, and a display for controlling the display of the car position according to the output of the car position detection means. An elevator monitoring apparatus comprising: a control unit.