JP2872018B2 - Elevator diagnostic driving device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for giving a command to an elevator to diagnose the elevator, and more particularly to an elevator diagnostic operation apparatus suitable for instructing an elevator to perform a low-speed diagnostic operation.

[0002]

2. Description of the Related Art In general, an elevator comprises a car 5 ascending and descending in a hoistway 11, as shown in FIG.
Counter weight 10, which is connected to the
A sheave 4 around which a rope is wound, an upper limit switch 7 attached to an upper limit position in the hoistway 11 to stop excessive rise of the car 5, and a down limit switch (not shown) attached to a lower limit position in the hoistway 11 The upper limit switch 6 for stopping the rise of the car 5 when the car 5 excessively rises also by the operation of the upper limit switch 7, and the lower limit switch (not shown) also operates the car. A down-final limit switch (not shown) for stopping the lowering of the car 5 when the car 5 excessively descends. Contact with the child 8 and the down limit switch and the down final limit switch Capable of lower limit for the contact 9.

Reference numeral 2 denotes an elevator control device , and reference numeral 3 denotes an electric motor for rotating a sheave. The elevator control device 2
The control unit 2a that controls the electric motor 3 to operate the car 5
And a low-speed operation input unit 2c.
Reference numeral c denotes a terminal group 2b and a terminal group 2 for attaching and detaching connection wires of an operation panel (not shown) carried by a construction engineer for an elevator installation work disclosed in Japanese Patent Application Laid-Open No. 63-41387.
b, a low-speed command input unit 2d for inputting the state of the operation panel via terminals 2b1-2b5, and a rising operation command input unit 2
e, and a descent operation command input unit 2f.

When the connection line of the operation panel is connected to the terminal group 2b, the terminals 2b1 and 2b2 conduct, and a relatively high voltage Vcc of about 48 V is applied to the low-speed command input section 2d at the zero potential GN.
When this input is turned on in addition to the interval D, the control unit 2a puts the elevator into a low-speed operation state. And
When the technician operates the ascending operation button or the like using the operation panel, the terminal 2b3 and the terminal 2b4 conduct, and the input of the ascending operation command input unit 2e is turned on, so that the elevator car 5 is controlled by the control unit 2a. Perform ascending operation at low speed.
Similarly, when the technician operates the descent operation button or the like on the operation panel, the terminals 2b3 and 2b5 are conducted, and the input of the descent operation command input unit 2f is turned on. Performs descending operation at low speed.

[0005] In the conventional elevator maintenance and inspection work, a maintenance person gets into a car 5 of an elevator,
The operation is performed by checking the performance of the elevator and the operation of each part while operating the car 5 at a normal high speed or a low speed operation for maintenance. However, in recent years, elevator diagnostic equipment that automatically diagnoses elevators
No. -7870 and Japanese Patent Publication No. 2-36512. To such an elevator, a control signal is transmitted to the control unit 2a via the signal line L during a predetermined time period, for example, at midnight, and a normal high-speed operation or a diagnostic low-speed operation for maintenance is commanded. DanSo location 1 examination elevator <br/> is provided. Communication not shown between the elevator diagnosis DanSo location 1 elevator diagnostic unit 1b performs a diagnosis received from the control unit 2a various information to send control signals described above, or later, and not shown monitoring center It has a line control unit 1a for transmitting and receiving information via a line.

[0006] Diagnostic operation by high-speed operation in such elevator, according to a command DanSo location 1 examination elevator, the destination call or not shown landing side of the control unit 2a is within the normal car 5 calls the same call Is registered, the car 5 is raised and lowered. At the same time, DanSo location 1 examination elevator <br/> an acceleration time, speed, deceleration time, and information about the running conditions such as implantation error relates to a door open or closed, such as the car 5 and the opening and closing times of the landing-side door The information is received from the control unit 2a to make a diagnosis. Further, the diagnostic operation by low-speed operation, since under normal operating conditions for diagnosing the operational state of the-down Mitsuto Sui Tutsi thickness not pre Mitsuto Sui Tutsi 7 and shown not to work, the control section 2a, a signal line DanSo location 1 diagnosis elevator The elevator is brought into a low speed state by a command via L, and the car 5 is excessively raised and lowered. At the same time, the DanSo location 1 examination elevator performs a predetermined diagnosis received from the control unit 2a of this information.

[0007]

BRIEF Problem to be Solved] In the conventional art, which will be given to the control unit 2a by a conventional serial communications via the signal line L from DanSo location 1 viewed fast or slow operation command, if a communication Even if the reliability of the protocol is improved, if a communication failure occurs due to noise or the like, the control unit 2a
There is a possibility that a high-speed or low-speed operation command is received by mistake. Especially for high-speed driving commands, since only calls are registered, it does not hinder the use of ordinary passengers.However, if a low-speed driving command is issued by mistake during such high-speed driving, in the worst case, There is a possibility of a confinement accident.

[0008] In addition, DanSo location 1 examination elevator control unit 2a
When it is commercialized and installed later, the following problems may occur. That is, functions in the control program of the control unit 2a albeit program for low speed operation by a command from the low-speed operation input unit 2c, to perform an external device, for example a low speed in response to a command from DanSo location 1 examination elevator May not be provided. In order to satisfy this function, the control program of the control unit 2a must be rewritten.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned current situation of an elevator diagnostic driving apparatus, and an object of the present invention is to provide an elevator diagnostic operating apparatus capable of easily and highly reliable diagnosis. To provide.

[0010] In order to achieve the above object, the present invention provides:
Elevator control unit for controlling the operation of the elevator, you
And between the terminals connected to this elevator control
Are connected, the low-speed operation is commanded
Control device comprising a low-speed operation input unit having
To the elevator controller via a signal line.
Elevator diagnosis to command diagnostic operation of the elevator
In the diagnostic operation device of the elevator equipped with the device,
A low-speed diagnostic operation command provided in the elevator diagnostic device
Upon receiving, the terminals can be selectively connected for low-speed operation.
It is characterized by comprising a low-speed operation operation unit for performing the operation .

[0011]

[Function] Diagnosis operation by high-speed operation is performed by elevator diagnosis.
It begins by sending a command DanSo location to the control unit via signal lines. Then, the control unit that has received this command raises and lowers the car by registering a call equivalent to a call in the normal car or at the hall. Further, the diagnostic operation by low speed operation, the command of the elevator diagnostic device, enter the low-speed diagnostic operation command signal output from the diagnosis unit to the low speed diagnosis driving operation unit, the low-speed diagnostic driving operation unit in response to the input signal, Selectively close the terminal for attaching and detaching the connection line of the existing operation panel for installation work, bring the elevator into low speed state, and perform low speed ascent operation and low speed ascent operation.

[0012]

An embodiment of the present invention will be described below with reference to FIG. FIG. 1 is a block diagram of an elevator diagnostic operation apparatus according to one embodiment of the present invention. In FIG. 1, components denoted by the same reference numerals as those in FIG. 2 indicate that they are the same or equivalent, and description thereof is omitted here. In this embodiment, the elevator diagnostic device 1 is newly provided with a low-speed diagnostic driving operation unit 1c instructed by the elevator diagnostic unit 1b. The low-speed diagnostic driving operation unit 1c includes a low-speed driving command relay 1d operated by a low-speed driving command relay driving unit 1g composed of a transistor and the like, a rising operation command relay 1e operated by a rising operation command relay driving unit 1h,
Lowering operation command relay 1f operated by the lowering operation command relay 1i, low speed operation command relay contact 1d1 closed by operation of low speed operation command relay 1d, and ascending operation closed by operation of ascending operation command relay 1e. It is composed of a command relay contact 1e1, a descending operation command relay contact 1f1 that is closed by the operation of the descending operation command relay 1f, and a terminal group 1j. The terminal group 1j is a terminal 1
j1 to 1j5.

Both ends of the low-speed operation command relay contact 1d1 are connected to a terminal 1j1 and a terminal 1j2.
1, L2, are connected to the terminals 2b1 and 2b2 of the low-speed operation input unit 2c in the elevator control device 2. Similarly, both ends of the ascending operation command relay contact 1e1 are connected to the terminal 1
j3 and a terminal 1j4, which are connected to connection lines L3, L
4 are connected to terminals 2b3 and 2b4. Further, both ends of the descending operation command relay contact 1f1 are connected to terminals 1j.
3 and a terminal 1j5, which are connected to connection lines L3, L5
Are connected to terminals 2b3 and 2b5.

Next, the operation of this embodiment will be described. DanSo location diagnosis elevator constructed as described above 1 and elevator control instrumentation
Diagnostic operation by high-speed operation in elevators consisting of location 2, the prior art as well as the controller 2a instruction via the signal line L of DanSo location 1 examination elevator described above
Start by sending to. Then, the control unit 2 that has received this command raises and lowers the car 5 by registering a destination call in the normal car 5 or a call equivalent to a call on the landing side (not shown). At the same time, DanSo location 1 diagnosis of elevator acceleration time, speed, deceleration time, and information about the running conditions such as landing error, the control unit information about the door status, such as the elevator car 6 and the landing-side door of the opening and closing times Diagnosis is performed by receiving from 2a.

On the other hand, in the diagnostic operation by the low-speed operation, the main purpose is to diagnose the operating state of the upper limit switch 7 and the down-limit switch (not shown) which do not operate in the normal operating state, as in the above-mentioned prior art.
First, when diagnosing the upper limit switch 7, the car 5 is caused to travel to the top floor at high speed in the same procedure as the above-described diagnostic operation at high speed. Thereafter, the relay drive unit 1g for low-speed operation command is issued by a command from the diagnosis unit 1b of the elevator.
Is turned on, the terminal 1j1 and the terminal 1j2 are closed at the contact 1d1. As a result, the terminals 2b1 and 2b2 for attaching and detaching the connection wires of the operation panel for installation work are closed, and a relatively high voltage of about 48 V is applied to the low-speed command unit 2d to turn on this input, thereby turning on the control unit 2a. Slows down the elevator.

Next, by turning on the ascending operation command relay driving section 1h in response to a command from the elevator diagnosis section 1b, the terminals 1j3 and 1j4 are closed at the contact 1e1. As a result, the terminals 2b3 and 2b4 are closed, the ascending operation command unit 2e is turned on, and the control unit 2a causes the elevator car to operate ascending. In the control section 2a, when the upstream switch 7 operates, the ascending operation of the car 5 is stopped. At the same time, the DanSo location 1 diagnosis elevator diagnostics performed by receiving from the control unit 2a of this information. The diagnosis of the down limit switch (not shown) is also performed by turning on the descent operation command relay drive unit 1i in response to a command from the diagnosis unit 1b of the elevator.

With the above configuration, in this embodiment, the low-speed diagnosis operation can be performed easily and reliably.
Further, even if the control program of the control unit of the elevator does not have the function of the low-speed diagnosis operation, the low-speed diagnosis operation can be performed without rewriting the program.

[0018]

As described above, according to the present invention,
The low-speed diagnostic operation command allows the low-speed diagnostic operation operation unit to selectively connect the terminal for attaching and detaching the connection wire of the operation panel for installation work in the existing elevator control device, so the control unit has high reliability. Low speed operation command can be received. That is, it is possible to prevent during high speed running such as low-speed operation command is performed, the deterioration in reliability due to attachment DanSo location diagnosis elevator to an elevator control device. Furthermore, even if that receives DanSo placed al command diagnosis elevator control program of the control unit not One Sonawa the ability to implement the low-speed operation, without rewriting the control program of the elevator control unit, diagnosis operation by low speed Can be implemented.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of an elevator diagnostic driving apparatus according to the present invention.

FIG. 2 is a block diagram of a conventional elevator diagnostic operation device.

[Explanation of symbols]

1 elevator diagnosis DanSo location 1a the line control unit 1b elevator diagnostic unit 1c slow diagnosing drive operation unit 1j, 2b terminals 2 elevator controller 2a controller 2c low speed input section 2d slow command input unit 2e increasing operation command input unit 2f lowered Operation command input unit 3 Motor 4 Sheave 5 Riding car 6 Up final limit switch 7 Final limit switch 8 Upper limit contact 9 Lower limit contact 10 Counter weight 11 Hoistway

 ──────────────────────────────────────────────────続 き Continued on the front page (56) References B66B 5/00 B66B 1/50 B66B 3/00

Claims (2)

(57) [Claims] 1. An elevator control unit for controlling operation of an elevator , and connected to the elevator control unit.
When the terminals are connected together, low speed operation is commanded.
And a low-speed operation input unit having a number of the terminals.
Signal control device and the elevator control device.
Command the diagnostic operation of the elevator via the
A diagnostic operation device for an elevator having a beta diagnostic device and a low-speed diagnostic device provided in the elevator diagnostic device.
And receiving the disconnection operation command selectively connecting said plurality of terminals
A diagnostic operation device for an elevator, comprising: a low-speed operation operation unit for performing low-speed operation by using a motor . 2. The terminal according to claim 1, wherein the terminal is
Carry and operate at low speeds
From the existing terminals provided detachably with the connection wires of the operation panel
An elevator diagnostic operation device characterized in that: