JPH05196552A - Abnormality detector for power meter - Google Patents

Abstract

PURPOSE:To obtain an abnormality detector for a power meter capable of easily analyzing the cause of abnormality occurrence in the power meter. CONSTITUTION:An input data reserve memory 8 to reserve input data from a power meter 1 is provided. A comparison data memory 9 to reserve data necessary for detecting the abnormality using the input data reserved in the input data reserve memory 8 is also provided. And a record and indication device 11 to record and indicate the data reserved in the light data reserve memory 8 during the failure occurrence in the power meter 1 is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dynamometer abnormality detection device.

[0002]

2. Description of the Related Art FIG. Four
29-02 "Engine Dynamometer System" 12th
FIG. 1 is a block diagram showing a conventional dynamometer abnormality detection device disclosed in page (issued in August 1986).
Is a dynamometer, 2 is a detector for detecting the operating state of the dynamometer 1,
3 is a CPU, 4 is an input section of the detector 2, 5 is a comparison data memory for comparing the data of the input section 4, 6 is the input data of the input section 4 of the detector 2 and the comparison data of the comparison data memory 5. An abnormality detection unit for detecting abnormality and 7 is an abnormality output unit.

Next, the operation will be described. The detector 2 detects an operating state (for example, temperature, voltage, current, vibration, etc.) from the dynamometer 1. Next, the signal of the detector 2 is input to the input unit 4, and the input data is compared with the comparison data stored in the comparison data memory 5 and the abnormality detection unit 6 determines the abnormality. When an abnormality is detected by the abnormality detecting unit 6, the abnormality output unit 7 outputs a display such as a buzzer to give an alarm to the operator to deal with the abnormality.

[0004]

Since the conventional dynamometer abnormality detecting device is configured as described above, the operating state at the time of abnormality occurrence of the dynamometer does not remain, and it is necessary to investigate the cause of the abnormality. There was a problem that analysis became difficult and required a lot of time.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a dynamometer abnormality detection device in which the cause analysis when a dynamometer abnormality occurs is easy.

[0006]

An abnormality detection device for a dynamometer according to the present invention detects an abnormality by an input data storage memory for storing input data from the dynamometer and input data stored in the input data storage memory. A comparison data memory for storing data necessary for execution and a record display device for recording / displaying the data stored in the input data storage memory when a dynamometer fails are provided.

[0007]

The abnormality detecting device of the dynamometer according to the present invention stores the input data from the dynamometer in the input data storage memory, and the input data stored in the input data storage memory and the comparison data stored in the comparison data memory. When the dynamometer fails, the data stored in the input data storage memory is recorded and displayed on the recording / display device.

[0008]

【Example】

Example 1. The first embodiment of the present invention will be described below with reference to FIG. In FIG. 1, 1 to 4 have the same configuration as that of the conventional device described above. 8 is an input data storage memory for storing the input data of the input unit 4, 9 is an input data storage memory 8
A comparison data memory for storing data necessary for detecting an abnormality based on the input data stored in 10. An abnormality detection for detecting an abnormality by comparing the input data of the input data storage memory 8 and the comparison data of the comparison data memory 9. Reference numeral 11 denotes a record display device for recording and displaying the data stored in the input data storage memory 8 when the dynamometer 1 fails.

Next, the operation will be described. The operating state (for example, temperature, voltage, current, vibration, etc.) from the dynamometer 1 is detected by the detector 2, the signal of the detector 2 is input to the input unit 4, and the input data is stored in the input data storage memory 8. Saved. Then, the abnormality detection unit 10 compares the input data of the input data storage memory 8 with the comparison data of the comparison data memory 9 that stores the data necessary for performing the abnormality detection, and detects the abnormality. The input data storage memory 8 has a function of updating at a specified cycle. When the abnormality detection unit 10 detects an abnormality, the input data stored in the input data storage memory 8 is recorded / displayed on the recording / display device 11. In the first embodiment, for example, the recording / display device 11 includes a CRT 11a and a printer 11.
b, a case where the floppy disk 11c is included.
As described above, since the operating state of the dynamometer 1 at the time of occurrence of an abnormality is stored in the input data storage memory 8, the analysis for investigating the cause of the abnormality is extremely easy and does not require much time. Therefore, the failure period associated with the abnormality can be significantly reduced.

Embodiment 2. In the first embodiment, the case where the floppy disk is used as the recording medium of the recording / display device 11 is described, but the present invention is not limited to this, and another recording medium such as a hard disk or an IC memory may be used, and the same as in the first embodiment. Produce the effect of.

[0011]

As described above, the present invention stores the input data from the dynamometer in the input data storage memory, and stores the input data stored in the input data storage memory and the comparison data stored in the comparison data memory. When the dynamometer fails, the data stored in the input data storage memory is recorded and displayed on the recording / display device, so that it is easy to analyze the cause when the dynamometer fails. It is possible to obtain an abnormality detecting device for the meter.

[Brief description of drawings]

FIG. 1 is a block diagram showing a first embodiment of the present invention.

FIG. 2 is a block diagram showing a conventional dynamometer abnormality detection device.

[Explanation of symbols]

 1 dynamometer 8 input data storage memory 9 comparison data memory 11 record display device

Claims (1)

[Claims] 1. An input data storage memory for storing input data from a dynamometer, a comparison data memory for storing data necessary for detecting an abnormality based on the input data, and the input data storage memory when a failure occurs in the dynamometer. An abnormality detection device for a dynamometer, which is provided with a recording / displaying device for recording / displaying data stored in.