JP2005162386A - Automatic setting device for brake control parameter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an automatic setting device for brake control parameters capable of performing efficiently the setting operation of the control parameters for an electromagnetic brake. <P>SOLUTION: The automatic setting device for brake control parameters is equipped with a voltage impression device 2 to impress the voltage on the coil of the electromagnetic brake 1, a current detector 5 to sense the current flowing in the brake coil when voltage is impressed by the device 2, a type judging part 4e to compare the current response information acquired by the information from the current detector 5 with the current response information stored in a response information memory part 4a for judging the type of the brake 1, and a brake control device 3 to be fed with the control parameter corresponding to the type determined by the type judging part 4e upon making reference to a parameter memory part 4b, where the parameter is set in a control parameter memory part 3b of the brake control device 3. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a brake control parameter automatic setting device for setting a control parameter of an electromagnetic brake.

  Conventionally, when control of an existing electromagnetic brake is performed by a newly installed brake control device due to repair work of an elevator, etc., the newly installed brake control device detects the current flowing through the brake coil of the electromagnetic brake, and then A current pattern for controlling the current is measured, and a current command is issued according to the current pattern (see, for example, Patent Document 1).

JP 2001-158575 A

  However, since there are a plurality of types of electromagnetic brakes, current designation suitable for each type is not appropriately performed. For this reason, an operator prepares a large number of materials showing current characteristics, discriminates the type of the electromagnetic brake, and individually sets control parameters capable of issuing a current command suitable for the type. Therefore, there has been a problem that the control parameter setting operation for the electromagnetic brake must be performed efficiently.

  The present invention has been made to solve the above-described problems, and provides a brake control parameter automatic setting device capable of efficiently performing control parameter setting work for an electromagnetic brake.

  The brake control parameter automatic setting device of the present invention includes a response information storage unit that stores current response information, which is current value data obtained when a predetermined voltage is applied to a brake coil of an electromagnetic brake, for each type of electromagnetic brake; When a voltage is applied by a parameter storage unit that stores control parameters for each type of electromagnetic brake, a voltage application unit that applies a voltage to the brake coil of the electromagnetic brake for which the control parameter is set, and a voltage application unit A current detection unit for detecting the current flowing in the brake coil, and a type for determining the type of electromagnetic brake by comparing the current response information obtained from information from the current detection unit with the current response information stored in the response information storage unit Of the control parameters stored in the determination unit and the parameter storage unit, the control corresponding to the type determined by the type determination unit The parameters, and a parameter setting unit for outputting the control parameter storage section of the electromagnetic brake.

  The present invention compares the current response information obtained from the current of the brake coil flowing when a voltage is applied to the electromagnetic brake to be set with the control parameter and the current response information stored in the response information storage unit to The brake type is determined, and the control parameter corresponding to the determined type is output to the control parameter storage unit of the electromagnetic brake. For this reason, a control parameter suitable for the type of electromagnetic brake can be automatically set in the control parameter storage unit. Therefore, it is possible to efficiently perform the control parameter setting operation for the electromagnetic brake.

  FIG. 1 is a block diagram showing a brake control parameter automatic setting device according to an embodiment of the present invention. Here, a case where the newly installed brake control device 3 newly controls the existing electromagnetic brake 1 used in the elevator by the repair work of the elevator will be described as an example.

  In FIG. 1, an electromagnetic brake 1 is attached to an elevator hoist motor and is connected to a voltage application device 2. The electromagnetic brake 1 includes a brake coil. The voltage application device 2 applies a predetermined voltage to the electromagnetic brake 1 to release the electromagnetic brake 1. A brake control device 3 is connected to the voltage application device 2. The brake control device 3 instructs the voltage application device 2 to apply a voltage and controls the electromagnetic brake 1. The brake control device 3 is connected to a setting device 4 for setting control parameters for the electromagnetic brake 1. The setting device 4 is connected to a current detector 5 that detects a current I flowing through the brake coil when the electromagnetic brake 1 is applied. Hereinafter, the brake control device 3 and the setting device 4 will be described in detail.

  The brake control device 3 includes a control device main body 3a that gives a command to the voltage application device 2, and a control parameter storage unit 3b. The control parameter storage unit 3b is, for example, a memory. The control parameter storage unit 3b stores control parameters for the electromagnetic brake 1. The “control parameter” is a control condition necessary for controlling the electromagnetic brake.

  The setting device 4 includes a response information storage unit 4a, a parameter storage unit 4b, a detection information storage unit 4c, a detection information registration unit 4d, a type determination unit 4e, and a parameter setting unit 4f. The response information storage unit 4a, the parameter storage unit 4b, and the detection information storage unit 4c are, for example, a memory or an HDD. The detection information registration unit 4d, the type determination unit 4e, and the parameter setting unit 4f are, for example, a CPU. The functions of these units 4a to 4f are as follows.

In the response information storage unit 4a, current response information for a plurality of electromagnetic brakes is stored in advance. Here, the current response information for the three types of A, B, and C electromagnetic brakes is stored in the response information storage unit 4a in advance. This is because three types of electromagnetic brakes A, B, and C are listed as candidates for the same type as the electromagnetic brake 1 due to the appearance of the electromagnetic brake 1 and the like.
Accordingly, the “current response information” here is current value data IA, IB, IB obtained when a predetermined voltage is applied to the brake coils of the three types of A, B, C electromagnetic brakes.

  The parameter storage unit 4b stores in advance control parameters for three types of A, B, and C electromagnetic brakes. The detection information storage unit 4c stores current value data I obtained when a predetermined voltage is applied to the brake coil of the electromagnetic brake 1.

  The detection information registration unit 4d registers the current value data I detected by the current detection unit 5 in the detection information storage unit 4c. The type determination unit 4e determines the type of the electromagnetic brake 1. The parameter setting unit 4 f outputs control parameters for the electromagnetic brake 1 to the brake control device 3.

Here, FIG. 2 shows a data structure diagram of the response information storage unit 4a. In Figure 2, the response information storage unit 4a, 3 types A, B, current response information _IA 1 _~IA n for C of the electromagnetic _{brake, IB 1 ~IB n, IC 1} ~IC n is a predetermined sampling number They are stored in the order of n (n is a natural number). The current responses IA, IB, and IC for these three types of A, B, and C electromagnetic brakes have different characteristics with respect to the time axis, as shown in FIG. Sampling is performed at a predetermined time interval t from the voltage application start time.

Next, the operation of the setting device 4 will be described with reference to FIGS. FIG. 4 is a flowchart showing the operation of the setting device 4.
The control device main body 3a of the brake control device 3 outputs a command signal to the voltage application device 2, and the voltage application device 2 applies a predetermined voltage to the electromagnetic brake 1 in a step shape. Then, the current detection unit 5 detects the current I flowing through the brake coil of the electromagnetic brake 1.
The detection information registration unit 4d of the setting device 4 samples the current value data I detected by the current detection unit 5 n times and registers it in the detection information storage unit 4c (S101). That is, the current values I ₁ to In of the sampling numbers _{1 to n} are registered for the current I detected by the current detector 5 in the detection information storage unit 4c. Sampling is performed at a predetermined time interval t from the voltage application start time.

Then, the type determining unit 4e includes a detection information storage unit 4c current value I ₁ which is registered in ~I _n, the response information storage unit 4a in the pre-registered 3 are types A, B, C for the electromagnetic brake of current _{IA 1 ~IA n, IB 1 ~IB} n, on the basis of the IC 1 ~IC _n, performs a predetermined calculation to obtain the three calculation values _{IS a,} IS B, the IS _C (S102). Specifically, the type determination unit 4e uses the following calculation rules (1), (2), and (3) when performing the calculation.
Computed value IS _A = | I ₁ -IA ₁ | + | I ₂ -IA ₂ | + ... + | I _n-1 -IA _n-1 | ... (1)
Operation value IS _B = | I ₁ −IB ₁ | + | I ₂ −IB ₂ | +... + | I _n−1 −IB _n−1 |
Calculated value _{IS C = │I 1 -IC 1 │} + │I 2 -IC 2 │ + ··· + │I n-1 -IC n-1 │ ··· (3)

Then, the type determining unit 4e is provided with an electromagnetic brake 1, three arithmetic value _{IS A,} IS B, of the IS _C, for example, an electromagnetic brake of the type A according to the calculated value IS _A indicating the minimum value determination (S103). That is, the current response I of the electromagnetic brake 1 exhibits characteristics that approximate IA among the current responses IA, IB, and IC of the three types A, B, and C as shown in FIG. Become.

  Then, the parameter setting unit 4f refers to the parameter storage unit 4b, outputs a control parameter corresponding to the type A determined by the type determination unit 4e to the brake control device 3, and outputs the control parameter to the brake control device 3 The control parameter storage unit 3b is set (S104). In this case, in the brake control device 3, the control device body 3a sets the control parameter output from the parameter setting unit 4f in the control parameter storage unit 3b. Thereby, the control device main body 3a of the brake control device 3 can appropriately instruct the voltage applying device 2 based on the control parameter and control the existing electromagnetic brake 1.

  Thus, according to the embodiment, the current detection unit 5 detects the current flowing through the brake coil of the electromagnetic brake 1 when a voltage is applied by the voltage application device 2. Further, the type determination unit 4e compares the current response information obtained from the information from the current detection unit 5 with the current response information stored in the response information storage unit 4a, and determines the type of the electromagnetic brake 1. Further, the parameter setting unit 4f outputs a control parameter corresponding to the type determined by the type determination unit 4e to the brake control device 3 and causes the control parameter storage unit 3b of the brake control device 3 to set the control parameter. For this reason, the control parameter of the electromagnetic brake 1 is automatically set in the brake control device 3 without the operator individually performing the setting operation of the control parameter suitable for the type of the electromagnetic brake 1. Therefore, it is possible to efficiently perform the setting operation of the control parameters of the electromagnetic brake 1.

The current response information, information _I 1 _~I n indicating the change in the current value from the start of voltage application until a predetermined _{time, IA 1 ~IA n, IB 1} ~IB n, because in IC 1 ~IC _n, By comparing these change characteristics, the type of the electromagnetic brake 1 can be easily determined.

  Furthermore, since the current response information of the three types A, B, and C listed as candidates for the electromagnetic brake 1 is stored in the response information storage unit 4a in advance, the type of the electromagnetic brake 1 is determined by the type determination unit 4e. It will be judged quickly.

  In addition, in the said embodiment, although the case of the electromagnetic brake 1 utilized for an elevator was demonstrated, it is not restricted to this.

  Moreover, although the case where the current response information of the three types A, B, and C listed as candidates is stored in advance has been described, all types of current response information are stored as response information without any types being listed as candidates. You may store beforehand in the part 4a.

It is a block diagram which shows the control parameter automatic setting apparatus for brakes concerning embodiment of this invention. It is a data structure figure which shows the response information storage part of FIG. It is explanatory drawing which shows the electric current response of the response information storage part of FIG. It is a flowchart which shows operation | movement of the setting apparatus of FIG. It is explanatory drawing which shows the determination process of the kind determination part of FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Electromagnetic brake, 2 Voltage application apparatus, 3 Brake control apparatus, 4 Setting apparatus, 5 Current detection part, 3a Control apparatus main body, 3b Control parameter storage part, 4a Response information storage part, 4b Parameter storage part, 4c Detection information storage part 4d detection information registration unit, 4e type determination unit, 4f parameter setting unit.

Claims (2)

A response information storage unit that stores current response information, which is current value data obtained when a predetermined voltage is applied to the brake coil of the electromagnetic brake, for each type of electromagnetic brake;
A parameter storage unit for storing control parameters for each type of electromagnetic brake;
A voltage application unit for applying a voltage to a brake coil of an electromagnetic brake to be set as a control parameter;
A current detection unit that detects a current flowing through the brake coil when a voltage is applied by the voltage application unit;
A type determination unit that compares the current response information obtained from the information from the current detection unit with the current response information stored in the response information storage unit and determines the type of the electromagnetic brake;
A parameter setting unit that outputs a control parameter corresponding to the type determined by the type determination unit among the control parameters stored in the parameter storage unit to the control parameter storage unit of the electromagnetic brake. Brake control parameter automatic setting device.   2. The brake control parameter automatic setting device according to claim 1, wherein the current response information is information indicating a change in current value from the start of voltage application to a predetermined time.

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