JPH02286193A - Self-diagnostic device for computerized sewing machine - Google Patents

Abstract

PURPOSE:To eliminate necessity for an operating manual by providing a storing means to store data which command and display the operating procedure of self-diagnosis, self-diagnostic operation confirming means to confirm displayed operation, self-diagnosed result storing means to store a self-diagnosed result and self-diagnosed result display means to display the self-diagnosed result in a display means. CONSTITUTION:A self-diagnosis mode selecting means 2 is operated and according to the display data of the operating procedure read from a data area 3 of a ROM, the first operating procedure of the self-diagnosis is displayed in a display means 6. Then, the self-diagnosis is executed and the self-diagnosed result is stored the second data area of the ROM. When the whole operation of the self-diagnosis is not finished, the display data for the next operating procedure of the self-diagnosis are read from the data area 3 of the ROM and according to the read display data of the operating procedure, the operating procedure of the self- diagnosis is displayed in the display means 6. When the operator of a sewing machine executes operation according to the display of the display means 6, it is judged whether the operation is executed like the display or not. When the operation is executed like the display, the self diagnosis is executed and the diagnosed result is stored in the second data area of the ROM. When there is no defect, Y is displayed. when there is the defect, Z is displayed and a defective spot is displayed.

Description

[Detailed description of the invention] [Industrial application field]

The present invention relates to a computerized sewing machine, and more particularly to a self-diagnosis device for a computerized sewing machine that commands and displays an operating method on a display means during a self-diagnosis and also displays a self-diagnosis result.

[Prior art and problems to be solved by the invention] Conventionally,
When self-diagnosing the electrical components of a computerized sewing machine equipped with a large number of electrical components such as sensors and actuators, the user had to refer to the instruction manual for self-diagnosis operations, which was time-consuming and labor-intensive. This also led to misdiagnosis due to incorrect operation.

[Means for Solving the Problems and Effects of the Invention] The present invention relates to a self-diagnosis of a computerized sewing machine, in particular, a self-diagnosis of a computerized sewing machine in which an operating procedure is commanded and displayed on a display means at the time of self-diagnosis, and a self-diagnosis result is displayed. According to the present invention, the instruction manual of the conventional example is no longer required, and the self-diagnosis of the computerized sewing machine can be performed efficiently in a short time, and the misdiagnosis due to erroneous operation as in the conventional example can be avoided. It has a preventive effect.

【Example】

The present invention will be explained below using examples. O System Configuration First, the configuration of the system of this embodiment will be explained with reference to FIG. A pattern selection means 1 consisting of a plurality of operation keys and a self-diagnosis mode selection means 2 (to be described later) are connected to a central processing unit CPU via an I10 board 3, and the CPU is further configured to select a pattern based on the pattern data. A pattern forming means 5 for forming a pattern and a display means 6 for displaying a selected pattern and a self-diagnosis to be described later are connected via an I10 port 4. The display means 6 uses an LCD in this embodiment, and is capable of displaying patterns, characters, and the like. The read-only memory ROM includes a program area 11 in which control programs for the computerized sewing machine are stored, a program area 2 in which control programs for self-diagnosis are stored, and a large number of pattern data selectable by pattern selection means 1. data area 11 as a first storage means in which display data of patterns is stored; data area 2 as a second storage means in which display data of operating procedures for self-diagnosis is stored; It consists of a data area 3 etc. as a third storage means. The random access memory RAM is a working memory area consisting of a stack area, a 7-lag storage area, etc. necessary for the CPU to operate, and a data area 1 for storing pattern data selected by the pattern selection means 1. It consists of a first data area as a pattern data storage means for temporarily storing, and a second data area as a self-diagnosis result storage means for storing self-diagnosis results to be described later. The self-diagnosis mode selection means 2 is similar to the device disclosed in Patent Application No. 104695 filed in 1988 by the same applicant as the present application, and the self-diagnosis operation mode is selected by its operation. The operation method is to identify the operating key for pattern stitching on the sewing machine, turn on the power while holding down the specific key, and select the self-diagnosis mode by operating other specific keys within a set period of time. It looks like this. O Description of self-diagnosis operation The self-diagnosis operation will be explained with reference to the chart 70 in FIG. 1 and the display example in FIG. 3. In FIG. 1, STn (n=1.2.3'') indicates each step of the self-diagnosis operation. When the self-diagnosis mode selection means 2 is operated as described above, this flowchart starts. TI This is a step of reading the display data of the operating procedure of self-diagnosis, and the display data of the first operating procedure of self-diagnosis is read from the data area 3 (third storage means) of the ROM. T2 The first operation procedure of self-diagnosis is a step displayed on the display means 6, and the first operation of self-diagnosis is displayed on the display means 6 according to the display data of the operation procedure read from the data area 3 of the ROM. Instructions will be displayed. In this embodiment, the display shown in FIG. 3(A) is displayed on the display means 6. T3 is a step of determining whether the self-diagnosis operation has been performed according to the operating procedure, and is a self-diagnosis operation confirmation means as a means for realizing a function by a program. In this embodiment, when no operation by the sewing machine operator is required, as in the first self-diagnosis, the process proceeds to the next step ST4. T4 is a step in which self-diagnosis is executed, and in this embodiment, the LEDs of the pattern selection means 1 and the like are first diagnosed. T5 is a step in which the self-diagnosis results are stored, and the self-diagnosis results are stored in the second data area (self-diagnosis result storage means) of the RAM. Sr6 This is a step to determine whether all operations for self-diagnosis have been completed. If not, proceed to the next step Sr1. Sr7 This is a step of reading display data for the next operating procedure of self-diagnosis, and the display data for the next operating procedure of self-diagnosis is read from data area 3 (third storage means) of the ROM. Sr8 The self-diagnosis operation procedure based on the display data is displayed on the display means 6.
The self-diagnosis operation procedure is displayed on the display means 6 based on the display data of the operation procedure read from the data area 3 of the ROM, and the process returns to Sr1. In this embodiment, the display shown in FIG. 13 (B) is displayed on the display means 6, and the process returns to Sr1. When the sewing machine operator performs an operation according to the display on the display means 6, a judgment is made in Sr1 as to whether or not the operation was performed as displayed. If the operation is as displayed, a self-diagnosis is performed in Sr4, and a self-diagnosis is performed in Sr5. The diagnosis result is stored in a second data area (self-diagnosis result storage means) of the RAM. From then on, Sr6 continues until it is determined that all operations have been completed.
r1, Sr1, and ST3 to ST6 are repeatedly executed, and when all the diagnoses are completed, the process proceeds to Sr1. Sr9 This is a step in which the self-diagnosis result is displayed on the display means, and the self-diagnosis result display means is a function realizing means by a program. In this embodiment, if there is no failure, a display like (Y) in Figure 3 is displayed, and if there is a failure somewhere, a display like (Z) in Figure 3 is displayed, indicating the location of the failure. Display.

【Effect of the invention】

As described above, according to the present invention, there is no need for the instruction manual of the conventional example, and the self-diagnosis work of the computerized sewing machine can be performed efficiently in a short time, and also the erroneous diagnosis due to erroneous operation as in the conventional example can be prevented. is obtained.

[Brief explanation of drawings]

The drawings relate to an embodiment of the present invention, and FIG. 1 is a flowchart showing the processing procedure of a self-diagnosis operation, and FIG. 2 is a system block diagram of the main parts of a computerized sewing machine including a self-diagnosis device.
FIG. 3 is a display example in the self-diagnosis process. 1 is a pattern forming means, 2 is a self-diagnosis mode selection means, 5 is a pattern forming means, 6 is a display means, ROM data area 1 is a first storage means, ROM
The data area 2 of the ROM is the second storage means, the data area 3 of the ROM is the third storage means, the first data area of the RAM is the pattern data storage means, and the second data area of the RAM is Self-diagnosis result storage means, Sr1 is self-diagnosis operation confirmation means, and Sr1 is self-diagnosis result display means. Patent applicant: Janome Sewing Machine Industry Co., Ltd. (A) (B) (C) (D) (Y) CZ')

Claims (1)

[Scope of Claims] A pattern forming means having an actuator for amplitude, feed, etc., a first storage means storing a large number of pattern data,
a pattern selection means for selecting a pattern from the first storage means; and a second storage means for storing display data for displaying the pattern, etc.
, a pattern data storage means for temporarily storing pattern data of the selected pattern, and a display means for displaying the selected pattern, etc., and driving and controlling the pattern forming means based on the selected pattern data. A computerized sewing machine that operates a self-diagnosis mode includes a self-diagnosis mode selection means for operating a self-diagnosis device, a third storage means for storing data for commanding and displaying self-diagnosis operating procedures, and a third storage means for storing data for commanding and displaying operating procedures for self-diagnosis, and a display means for displaying operations displayed on the display means. A self-diagnosis operation confirmation means for confirming whether the self-diagnosis operation has been performed, a self-diagnosis result storage means for storing the self-diagnosis result, and a self-diagnosis result display means for displaying the self-diagnosis result on the display means. Self-diagnosis device for computerized sewing machines.