CN111625429A

CN111625429A - Method for eliminating accidental alarm and inherent fault alarm

Info

Publication number: CN111625429A
Application number: CN202010323609.8A
Authority: CN
Inventors: 张雪峰; 刘亚军
Original assignee: Jiangyin Sinbon Electronics Co ltd
Current assignee: Jiangyin Sinbon Electronics Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-09-04
Anticipated expiration: 2040-04-22
Also published as: CN111625429B

Abstract

The application discloses a method for eliminating accidental alarms and inherent fault alarms, wherein when fault behaviors are continuously detected for multiple times within a certain time, a single fault is recorded, and in the single fault detection process, when parameters are continuously detected for multiple times within a certain time and return to normal, the fault is determined to be relieved; after a single fault, executing product alarm resetting detection action, if the alarm fault still exists, locking the fault state, and if continuous multiple resetting fails within a certain time, no longer executing fault resetting detection; if the fault is removed after resetting, the fault state is removed, and the product is allowed to have normal power output. The invention solves the problems through alarm resetting and alarm mode of time window judgment, effectively solves the problems of working in a protection state and abnormal power output after the short-time alarm is triggered by an actual product, and improves the problem of working efficiency reduction.

Description

Method for eliminating accidental alarm and inherent fault alarm

Technical Field

The present application relates to fault alarm strategies and, more particularly, to a method of eliminating both contingency alarms and intrinsic fault alarms.

Background

In the actual use process of the product, various possibilities for triggering alarm conditions exist, and many alarms are generated because the alarm protection behavior of the product occurs due to short-time interference of the environment, so that the product works in a protection state, normal power output is unavailable, or the working efficiency of the product is reduced.

Disclosure of Invention

The invention aims to provide a method for eliminating accidental alarms and inherent fault alarms, which solves the problems through alarm resetting and an alarm mode of adding time window judgment, effectively solves the problems of working in a protection state, no normal power output and improvement on the problem of reduced working efficiency after an actual product triggers short-time alarms.

In order to achieve the above object, the present invention provides the following technical solutions.

The embodiment of the application discloses a method for eliminating accidental alarms and inherent failure alarms, which sets a system state as a normal state, sets an alarm value, sets the number of alarm times as 0, sets an M value, sets the number of failure times as 0, sets a failure recovery value, sets an N value, sets the number of failure recovery times as 0, M, N is a positive integer, and sequentially comprises the following steps:

step S0, the system normally runs, if an alarm is triggered, the step S1 is executed, otherwise, the step S0 is continuously run;

step S1 is to determine the system status, if it is normal, execute step S2, if it is fault, execute step S5;

step S2, judging whether the signal measurement value reaches the alarm value, if yes, executing step S3, otherwise executing step S0;

step S3, adding 1 time to the alarm frequency, judging whether the alarm frequency reaches M times, if yes, clearing the alarm frequency and executing step S4, otherwise, executing step S0;

step S4, the system state is changed to the fault state, the system protection mode is started, and the step S1 is executed;

step S5, adding 1 time to the failure times, judging whether the failure times reach N times, if so, continuing to operate the protection mode, otherwise, executing step S6;

step S6, changing the system state into a normal state, and executing step S7;

step S7 determines whether the signal measurement value reaches the fault recovery value, if yes, step S8 is executed, otherwise step S0 is executed;

step S8 adds 1 time to the failure recovery frequency, determines whether the failure recovery frequency reaches M times, if the failure recovery frequency is clear 0, the system cancels the protection mode, executes step S0, otherwise executes step S7.

Preferably, in the method for eliminating the accidental alarm and the intrinsic failure alarm, the protection mode is abnormal power output or power output shutdown of the system.

Preferably, in the method for eliminating the accidental alarm and the intrinsic failure alarm, the condition for triggering the alarm in step S0 includes, but is not limited to, system overvoltage, undervoltage, overtemperature, short circuit, PE pin breakage, and electrical leakage.

Compared with the prior art, the invention has the advantages of effectively solving the problems that the actual product works in a protection state after triggering short-time alarm, and has no normal power output and improving the problem of reduced working efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a flow chart illustrating a method of eliminating contingency alarms and intrinsic failure alarms in an embodiment of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Description of the function:

1) when the product triggers a set alarm fault, such as over/under voltage, over temperature, short circuit, PE needle breakage, electric leakage and other abnormal faults, if a trigger fault detection condition is detected for multiple times within a period of time, the product is judged to trigger a single alarm fault state, fault state indication is carried out, fault protection action is executed, and product power output is closed.

2) After the product generates an alarm fault, executing a product resetting action (software restarting or software resetting fault) to restore the product to a normal working state, allowing the product to have a power output action, executing a product alarm fault detection function again, if the alarm fault detection is restored, judging that the product state is normal, and removing the alarm fault state to enable the product to work in the normal working state; if the alarm fault state is still detected, the fault state indication is carried out, the fault protection action is executed, and the power output is closed.

3) And (3) repeating the resetting actions for multiple times, if the fault behaviors are continuously detected for multiple times within a certain time T, locking the fault state, not executing the resetting operation of the step (2), closing the power output, and keeping the product in a protection state all the time.

4) In the repeated resetting process, if the fault is removed after the resetting action occurs, the alarm is removed, the product is recovered to the normal working state, and the product is allowed to have power output.

Referring to fig. 1, a method for eliminating an accidental alarm and a natural fault alarm, which first sets a system state as a normal state, sets an alarm value, sets an alarm frequency as 0, sets an M value, sets a fault frequency as 0, sets a fault recovery value, sets an N value, sets a fault recovery frequency as 0, and M, N are positive integers, sequentially includes the following steps:

step S6, changing the system state into a normal state, and executing step S7;

step S7 determines whether the signal measurement value reaches the failure recovery value, if yes, step S8 is executed, otherwise step S0 is executed;

This patent is through alarm reset and the alarm mode who judges with the time window, solves above problem, effectively solves the actual product and triggers the short-term alarm after, work is in the protection state, the problem of normal power output of nothing and improvement work efficiency decline problem.

The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims

1. A method for eliminating an accidental alarm and an intrinsic failure alarm, wherein a system state is set to a normal state, an alarm value is set, an alarm frequency is set to 0, an M value is set, a failure frequency is set to 0, a failure recovery value is set, an N value is set, a failure recovery frequency is set to 0, M, N is a positive integer, and the method sequentially comprises the following steps:

step S0: the system normally runs, if an alarm is triggered, the step S1 is executed, otherwise, the step S0 is continuously run;

step S1: judging the system state, if the system state is normal, executing the step S2, and if the system state is fault, executing the step S5;

step S2: judging whether the signal measurement value reaches the alarm value, if so, executing a step S3, otherwise, executing a step S0;

step S3: adding 1 time to the alarm frequency, judging whether the alarm frequency reaches M times, if so, resetting the alarm frequency and executing the step S4, otherwise, executing the step S0;

step S4: the system state is changed into the fault state, the system protection mode is started, and the step S1 is executed;

step S5: adding 1 time to the failure times, judging whether the failure times reach N times, if so, continuing to operate the protection mode, and otherwise, executing the step S6;

step S6: the system state changes to the normal state, and step S7 is executed;

step S7: judging whether the signal measurement value reaches the fault recovery value, if so, executing a step S8, otherwise, executing a step S0;

step S8: and adding 1 time to the failure recovery times, judging whether the failure recovery times reach M times, if the failure recovery times are clear 0, canceling the protection mode by the system, and executing the step S0, otherwise, executing the step S7.

2. The method of eliminating contingency and intrinsic fault alarms according to claim 1, wherein said protection mode is abnormal power output or power off of the system.

3. The method of eliminating contingency alarms and intrinsic failure alarms according to claim 1, wherein the conditions of triggering the alarm in step S0 include, but are not limited to, system overvoltage, undervoltage, overtemperature, short circuit, PE pin breakage, electrical leakage.