CN112489556B - Mechanical interlocking key positioning method for electrical equipment - Google Patents
Mechanical interlocking key positioning method for electrical equipment Download PDFInfo
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- CN112489556B CN112489556B CN202011306047.2A CN202011306047A CN112489556B CN 112489556 B CN112489556 B CN 112489556B CN 202011306047 A CN202011306047 A CN 202011306047A CN 112489556 B CN112489556 B CN 112489556B
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- mechanical interlocking
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
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Abstract
The invention belongs to the technical field of electricity, and particularly relates to a mechanical interlocking key positioning method for electrical equipment, which comprises the following steps: splitting the mechanical interlocking diagram subsystem of the electrical equipment, drawing a mechanical interlocking diagram page of the subsystem, and making into an atlas; determining a key interlocking list according to the manufactured atlas and the related mechanical interlocking relationship of the electrical equipment; manufacturing a mechanical interlocking device label according to the key interlocking list; according to the drawn subsystem mechanical interlocking picture, sticking the mechanical interlocking device label near the corresponding mechanical interlocking device; and determining the position of the required mechanical interlocking key according to the field mechanical interlocking device label. The method can quickly position other mechanical interlocking positions of the electrical equipment which are in interlocking relation with the electrical equipment on site, improve the working efficiency and reduce the risk of human errors.
Description
Technical Field
The invention belongs to the technical field of electricity, and particularly relates to a mechanical interlocking key positioning method for electrical equipment.
Background
According to the national standard requirements, the electrical equipment has a five-prevention function so as to ensure the safety of personnel and equipment. Although the measures of the electrical equipment body for preventing the five diseases are perfect, the requirements of preventing the five diseases are only considered from the equipment body, but not from the whole system, and certain limitations exist. The mechanical interlocking is a device which is additionally arranged on a system and prevents manual misoperation and must operate according to a specified sequence on the basis of the original five-prevention of electrical equipment, and if the interlocking logic is violated, subsequent operation cannot be performed, and the personal safety and the equipment safety cannot be guaranteed. Although the mechanical interlocking is not limited by the distance, the locking requirement of the whole system can be well met even when two devices with far distance are connected, because the electrical devices have more systems, more mechanical keys and more dispersed positions, the mechanical interlocking needs to be inquired and determined according to drawings in actual use, all the system interlocking is usually drawn on one drawing, the key is slow to position, the working efficiency is influenced, and meanwhile, the safety risk of human errors is increased.
The existing mechanical interlocking key positioning method for electrical equipment has the following problems: all the electric system interlocking devices are drawn on a drawing, and the efficiency of searching and positioning a mechanical key of a specific electric system is low; without the aid of drawings, it is not possible to identify other electrical devices which have an interlocking relationship with one electrical device.
Therefore, it is highly desirable to develop a new method for positioning a mechanical interlocking key of electrical equipment, which can determine the position of the mechanical interlocking key without the help of drawings.
Disclosure of Invention
The invention aims to provide a method for positioning a mechanical interlocking key of electrical equipment, aiming at the defects of the method for positioning the mechanical interlocking key of the electrical equipment in the prior art, and the method can be used for quickly positioning the mechanical interlocking position of other electrical equipment which has an interlocking relationship with the equipment on the site of the electrical equipment.
The technical scheme for realizing the purpose of the invention is as follows:
a method of mechanical interlock key positioning for electrical equipment, the method comprising the steps of:
the method comprises the following steps of (1) splitting a mechanical interlocking diagram subsystem of the electrical equipment, drawing a mechanical interlocking diagram page of the subsystem, and making an atlas;
step (2), determining a key interlocking list according to the atlas and the relevant mechanical interlocking relation of the electrical equipment manufactured in the step (1);
step (3), manufacturing a mechanical interlocking device label according to the key interlocking list determined in the step (2);
step (4), according to the subsystem mechanical interlocking picture page drawn in the step (1), sticking the mechanical interlocking device label to the vicinity of the corresponding mechanical interlocking device;
and (5) determining the position of a required mechanical interlocking key according to the site mechanical interlocking device label.
Further, the subsystem mechanical interlocking picture page comprises information of mechanical interlocking devices on the system and non-system equipment related to the system.
Furthermore, the key interlocking list comprises a mechanical interlocking key code, a device code, a mechanical lock factory building and a position corresponding to the key, and state information of the key when the device normally operates.
Furthermore, the mechanical interlocking device label comprises a mechanical interlocking key code, an equipment code corresponding to the key, a mechanical lock factory building and state information of the key when the equipment runs normally.
Further, the mechanical interlock indicator employs yellow as a base color.
The invention has the beneficial technical effects that:
1. the invention provides a mechanical interlocking key field identification method for electrical equipment, which solves the problem of inconvenient use of a mechanical interlocking drawing and can achieve the purpose of positioning an interlocking key under the condition of no drawing;
2. the method for positioning the mechanical interlocking key of the electrical equipment realizes quick positioning of the mechanical interlocking key of the electrical equipment, improves the efficiency of positioning the interlocking key, saves labor and time cost, improves the working efficiency and achieves the purposes of cost reduction and efficiency improvement;
3. the mechanical interlocking key positioning method for the electrical equipment can be used for quickly knowing the mechanical interlocking device and reducing the risk of human errors.
Drawings
Fig. 1 is a mechanical interlocking page of a subsystem in a mechanical interlocking key positioning method for electrical equipment provided by the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
A method of mechanical interlock key positioning for electrical equipment, the method comprising the steps of:
the method comprises the following steps of (1) splitting a mechanical interlocking diagram subsystem of the electrical equipment, drawing a mechanical interlocking diagram page of the subsystem, and making an atlas; the subsystem mechanical interlocking picture page comprises information of mechanical interlocking devices on the system and non-system equipment related to the system. As shown in fig. 1, a complete page includes the mechanical interlock information of the present system a, and also includes the mechanical interlock information of systems a1, a2 … An that are not the present system in An interlocking relationship.
And (2) determining a key interlocking list according to the atlas and the relevant mechanical interlocking relationship of the electrical equipment, which are manufactured in the step (1), wherein the key interlocking list comprises a mechanical interlocking key code, an equipment code, a mechanical lock workshop and a position corresponding to the key, and state information of the key when the equipment normally operates.
And (3) manufacturing a mechanical interlocking device label according to the key interlocking list determined in the step (2), wherein the mechanical interlocking device label comprises a mechanical interlocking key code, a device code corresponding to the key, a mechanical lock factory building and state information of the key when the device normally operates, and the color of the mechanical interlocking device label is obviously different from the color of the pasted mechanical interlocking device so as to be conveniently and rapidly identified and found.
And (4) sticking labels of the mechanical interlocking devices to the vicinity of the corresponding mechanical interlocking devices according to the subsystem mechanical interlocking diagram page drawn in the step (1).
And (5) determining the position of a required mechanical interlocking key according to the site mechanical interlocking device label.
Taking the system operation a in fig. 1 as an example, according to the method for positioning the mechanical interlocking key of the electrical device of the present invention, the 5M9LGR113JE is switched from open to close by the switch, and the specific operation method is as follows:
1. according to the information of the sign near the 5M9LGR113JE, as shown in table 1, it was confirmed that the 5M9LGR113JE closing operation required the key 4BR1, and the 4BR1 key was not removable after closing, and it was confirmed that the key was on the LX plant 5M1LGB002CV according to the presentation information.
2. From the 5M1LGB002CV placard information, as shown in table 2, obtaining 4BR1 requires inserting a 4BW key into the key exchange box while confirming that the 4BW is on the 5M1LGB002JA mechanical interlock of the LX plant based on the placard information.
3. Based on the 4BW key signature information, 5M1LGB002JA was isolated and the 4BW key was removed as shown in table 3.
4. The 4BW key was inserted into the 5M1LGB002CV and the 4BR1 key was removed.
5. A 4BR1 key was inserted into a 5M9LGR113JE mechanical interlock and 5M9LGR113JE was closed.
6. And finishing the work.
TABLE 15M 9LGR113JE mechanical interlock placard
TABLE 25M 1LGB002CV Key exchange Box placard
TABLE 35M 1LGB002JA mechanical interlock device tag
In the tables 1 to 3, the following examples are given,indicating that the key is locked in the keyhole (operation allowed) while running;indicating that the key is not in the keyhole at run time (no operation is allowed).
The present invention has been described in detail with reference to the drawings and examples, but the present invention is not limited to the examples, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention. The prior art can be adopted in the content which is not described in detail in the invention.
Claims (3)
1. A method for locating a mechanical interlocking key of electrical equipment, the method comprising the steps of:
splitting a mechanical interlocking diagram of electrical equipment according to a specific system, drawing a mechanical interlocking diagram page of a subsystem, wherein the diagram page comprises information of mechanical interlocking devices on the system and equipment not on the system, which are associated with the system, and making an album;
step (2), determining a key interlocking list according to the atlas and the relevant mechanical interlocking relation of the electrical equipment, which are manufactured in the step (1), wherein the content of the list comprises interlocking information of the system and an associated system;
step (3), manufacturing a mechanical interlocking device label according to the key interlocking list determined in the step (2);
step (4), according to the subsystem mechanical interlocking picture page drawn in the step (1), sticking the mechanical interlocking device label to the vicinity of the corresponding mechanical interlocking device;
step (5), determining the position of a required mechanical interlocking key according to the site mechanical interlocking device label;
the key interlocking list and the mechanical interlocking device label comprise a mechanical interlocking key code, an equipment code corresponding to the key, a mechanical lock workshop and a position, and state information of the key; the mentioned state information is the state information of the key on the corresponding mechanical lock device under the normal operation condition of the device.
2. The method as claimed in claim 1, wherein the sub-system mechanical interlocking map page is a map page that extracts all the interlocking information of a specific system or device from an interlocking map of an entire system or device, including the mechanical interlocking device information on the system and devices other than the system associated with the system.
3. The method as claimed in claim 1, wherein yellow is used as a base color after the key interlock list and mechanical interlock device label are manufactured.
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CN202011306047.2A CN112489556B (en) | 2020-11-20 | 2020-11-20 | Mechanical interlocking key positioning method for electrical equipment |
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CN202011306047.2A CN112489556B (en) | 2020-11-20 | 2020-11-20 | Mechanical interlocking key positioning method for electrical equipment |
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CN112489556B true CN112489556B (en) | 2022-05-13 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101976617A (en) * | 2010-09-14 | 2011-02-16 | 华北电网有限公司北京十三陵蓄能电厂 | Method for preventing accidents in mechanical cross operations by utilizing anti-misoperation locking system |
CN202838822U (en) * | 2012-10-23 | 2013-03-27 | 黑龙江电力职工大学 | Scutcheon on five-prevention padlock for transformer substation misoperation-preventive locking device |
CN109448196A (en) * | 2018-12-12 | 2019-03-08 | 武汉瑞莱保能源技术有限公司 | A kind of key management system based on Internet of Things and with roller type operation cabinet |
CN111210549A (en) * | 2020-01-09 | 2020-05-29 | 江苏航天大为科技股份有限公司 | Key management method, device and system |
CN111833496A (en) * | 2020-07-17 | 2020-10-27 | 长园共创电力安全技术股份有限公司 | Unlocking method and device based on intelligent key and storage medium |
-
2020
- 2020-11-20 CN CN202011306047.2A patent/CN112489556B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101976617A (en) * | 2010-09-14 | 2011-02-16 | 华北电网有限公司北京十三陵蓄能电厂 | Method for preventing accidents in mechanical cross operations by utilizing anti-misoperation locking system |
CN202838822U (en) * | 2012-10-23 | 2013-03-27 | 黑龙江电力职工大学 | Scutcheon on five-prevention padlock for transformer substation misoperation-preventive locking device |
CN109448196A (en) * | 2018-12-12 | 2019-03-08 | 武汉瑞莱保能源技术有限公司 | A kind of key management system based on Internet of Things and with roller type operation cabinet |
CN111210549A (en) * | 2020-01-09 | 2020-05-29 | 江苏航天大为科技股份有限公司 | Key management method, device and system |
CN111833496A (en) * | 2020-07-17 | 2020-10-27 | 长园共创电力安全技术股份有限公司 | Unlocking method and device based on intelligent key and storage medium |
Non-Patent Citations (2)
Title |
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一种替代微机五防的钥匙置换式防误闭锁在电厂和供电局配网的应用;喻光明;《南方能源建设》;20171230;第4卷;第137-142页 * |
纯机械程序式防误闭锁系统及其与微机型防误闭锁系统的比较;喻光明;《水电站机电技术》;20110815;第34卷(第04期);第21-24页 * |
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