Production equipment monitoring method and system

• US 10,013,866 B2
• Filed: 07/25/2016
• Issued: 07/03/2018
• Est. Priority Date: 03/10/2016
• Status: Active Grant

• Current Assignee: BOE Technology Group Co., Ltd., Ordos Yuansheng Optoelectronics Co., Ltd. (BOE Technology Group Co., Ltd.)
• Original Assignee: BOE Technology Group Co., Ltd., Ordos Yuansheng Optoelectronics Co., Ltd. (BOE Technology Group Co., Ltd.)
• Inventors: Yan, Dong, Zhang, Xiaohua, Liu, Shuang
• Primary Examiner(s): McNally, Kerri
• Assistant Examiner(s): Tran, Thang
• Application Number:
  US15/218,424
• Publication Number:
  US 20170263104A1
• Time in Patent Office: 708 Days
• Field of Search: 340679
• CPC Class Codes: G05B 23/027 Alarm generation, e.g. communication protocol; Forms of alarm
• CPC Class Codes: G06Q 10/00 Administration; Management
• CPC Class Codes: G08B 21/187 Machine fault alarms
• CPC Class Codes: G08B 25/001 Alarm cancelling procedures or alarm forwarding decisions, e.g. based on absence of alarm confirmation
• CPC Class Codes: Y02P 90/02 Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The present invention provides a production equipment monitoring method and system, and the method comprises: receiving production equipment alarm information; determining abnormal production equipment according to the production equipment alarm information, and determining a user group corresponding to the abnormal production equipment according to preset correspondence between production equipment and user group; and sending the production equipment alarm information to a user in the determined user group in a preset alarm manner. As a result, alarm information can be sent to the corresponding user(s) in the preset alarm manner the first time an abnormity in the production equipment is found, so as to notify related personnel to handle the abnormity timely and accurately.

Claims

1. A production equipment monitoring method, comprising:

dividing users into a plurality of user groups, which respectively correspond to different production equipment, to obtain preset correspondence between production equipment and user group, each user group comprising a plurality of sub user groups;

receiving production equipment alarm information;

determining abnormal production equipment according to the production equipment alarm information, and determining a user group corresponding to the determined abnormal production equipment according to the preset correspondence between production equipment and user group;

calculating an operating parameter abnormity ratio and determining a sub user group corresponding to the operating parameter abnormity ratio according to preset correspondence between the operating parameter abnormity ratio and the determined sub user group;

wherein, the operating parameter abnormity ratio includes;

a ratio by which a value of a production equipment operating parameter exceeds an upper threshold value of the production equipment operating parameter, or a ratio by which the value of the production equipment operating parameter is lower than a lower threshold value of the production equipment operating parameter; and

sending the production equipment alarm information to a user in the determined sub user group corresponding to the operating parameter abnormity ratio in a preset alarm manner.

2. The method according to claim 1, wherein, the preset alarm manner includes any one or any combination of message alarm, WeChart alarm, and e-mail alarm.

3. The method according to claim 1, further comprising:

graphically simulating and displaying layout of the production equipment;

wherein, when the abnormal production equipment is determined, the production equipment alarm information is displayed at a position corresponding to the abnormal production equipment on the displayed layout of the production equipment.

4. The method according to claim 1, further comprising:

receiving a control instruction sent from a user, and

determining whether the control instruction is an alarm canceling instruction or not;

if it is determined that the control instruction is the alarm canceling instruction, further determining whether the user who sends the alarm canceling instruction has an alarm canceling authority or not;

if it is determined that the user has the alarm canceling authority, modifying alarm status of the production equipment corresponding to the alarm canceling instruction so as to no longer display the production equipment alarm information of the production equipment corresponding to the alarm canceling instruction.

5. The method according to claim 1, wherein,

after the step of receiving production equipment alarm information, the method further comprises:

acquiring an alarm code carried in the production equipment alarm information, and determining a sub user group corresponding to the alarm code according to preset correspondence between alarm code and sub user group; and

the step of sending the production equipment alarm information to the user in the determined sub user group corresponding to the alarm code in the preset alarm manner comprises;

sending the production equipment alarm information to a user in the determined sub user group corresponding to the alarm code in the preset alarm manner.

6. The method according to claim 1, further comprising:

calculating, in advance, the upper threshold value and the lower threshold value of the production equipment operating parameter for products of each size produced by production equipment;

receiving the production equipment operating parameter of the production equipment send by a data collection device;

comparing the received production equipment operating parameter with the upper threshold value and the lower threshold value of the production equipment operating parameter, and when the received production equipment operating parameter is larger than the upper threshold value of the production equipment operating parameter or smaller than the lower threshold value of the production equipment operating parameter, determining that the production equipment is abnormal production equipment.

7. The method according to claim 6, wherein, the step of calculating the upper threshold value and the lower threshold value of the production equipment operating parameter comprises:

filtering the production equipment operating parameters in a preset time period according to a preset limit range of the production equipment operating parameter, and calculating the upper threshold value UCLx of the production equipment operating parameter according to formula (1) and calculating the lower threshold value LCLx of the production equipment operating parameter according to formula (2), by using production equipment operating parameters Xi within the preset limit range;

8. The method according to claim 1, wherein, the production equipment alarm information includes:

abnormal supply alarm information, abnormal action alarm information and abnormal information alarm information.

9. A production equipment monitoring system, comprising a server and production equipment, wherein, the server comprises a reception module, a monitoring module and an alarm module and pre-stores therein with a plurality of user groups, which respectively correspond to different production equipment, and preset correspondence between production equipment and user group, each user group comprising a plurality of sub user groups;

the reception module is used for receiving production equipment alarm information;

the monitoring module is used for determining abnormal production equipment according to the production equipment alarm information, and determining a user group corresponding to the determined abnormal production equipment according to preset correspondence between production equipment and user group; and

the alarm module is used for sending the production equipment alarm information to a user in the determined user group in a preset alarm manner,

wherein the monitoring module is further used for calculating an operating parameter abnormity ratio and determining a sub user group corresponding to the calculated operating parameter abnormity ratio according to preset correspondence between the operating parameter abnormity ratio and the determined sub user group, after the monitoring module determines the user group corresponding to the abnormal production equipment and before the alarm module sends the abnormal operating parameter alarm information to a user in the determined user group in the preset alarm manner;

wherein, the operating parameter abnormity ratio includes;

a ratio by which a value of a production equipment operating parameter exceeds an upper threshold value of the production equipment operating parameter, or a ratio by which the value of the production equipment operating parameter is lower than a lower threshold value of the production equipment operating parameter; and

the alarm module is used for sending the abnormal operating parameter alarm information to a user in the determined sub user group corresponding to the operating parameter abnormity ratio in the preset alarm manner.

10. The production equipment monitoring system according to claim 9, wherein, the preset alarm manner includes any one or any combination of message alarm, WeChart alarm, and e-mail alarm.

11. The production equipment monitoring system according to claim 9, wherein, the server further comprises a display module;

the display module is used for displaying graphically simulated layout of the production equipment, and displaying the production equipment alarm information at a position corresponding to the abnormal production equipment on the displayed layout of the production equipment, when the abnormal production equipment is determined.

12. The production equipment monitoring system according to claim 11, wherein, the reception module is further used for receiving a control instruction sent from a user;

and

the monitoring module is further used for determining whether the control instruction is an alarm canceling instruction or not;

when determining that the control instruction is the alarm canceling instruction, the monitoring module further determines whether the user who sends the alarm canceling instruction has an alarm canceling authority or not;

when determining that the user has the alarm canceling authority, the monitoring module instructs the alarm module to modify alarm status of the production equipment corresponding to the alarm canceling instruction so that the display module no longer displays the production equipment alarm information of the production equipment corresponding to the alarm canceling instruction.

13. The production equipment monitoring system according to claim 9, wherein,

the monitoring module is further used for acquiring an alarm code carried in the production equipment alarm information and determining a sub user group corresponding to the alarm code according to preset correspondence between alarm code and sub user group;

and

the alarm module is used for sending production equipment alarm information to a user in the determined sub user group corresponding to the alarm code in the preset alarm manner.

14. The production equipment monitoring system according to claim 9, further comprising a data collection device, and the server further comprising an analysis module;

wherein,

the data collection device is used for collecting the production equipment operating parameter;

the reception module is further used for receiving the production equipment operating parameter sent from the data collection device;

the analysis module is used for calculating the upper threshold value and the lower threshold value of the production equipment operating parameter for products of each size produced by production equipment;

the monitoring module is further used for comparing the production equipment operating parameter received by the reception module with the upper threshold value and the lower threshold value of the production equipment operating parameter, respectively, determining the production equipment to be abnormal production equipment when the production equipment operating parameter is larger than the upper threshold value of the production equipment operating parameter or smaller than the lower threshold value of the production equipment operating parameter, and determining the user group corresponding to the abnormal production equipment according to the preset correspondence between production equipment and user group; and

the alarm module is further used for sending abnormal operating parameter alarm information to the user in the determined user group in the preset alarm manner.

15. The production equipment monitoring system according to claim 14, wherein, the analysis module is used for filtering the production equipment operating parameters in a preset time period according to a preset limit range of the production equipment operating parameter, and calculating the upper threshold value UCLx of the production equipment operating parameter according to formula (1) and calculating the lower threshold value LCLx of the production equipment operating parameter according to formula (2), by using production equipment operating parameters Xi within the preset limit range:

16. The production equipment monitoring system according to claim 9, wherein, the production equipment alarm information includes:

abnormal supply alarm information, abnormal action alarm information and abnormal information alarm information.