CN113530372B - Electric equipment energy source hanging plate locking cabinet and using method thereof - Google Patents
Electric equipment energy source hanging plate locking cabinet and using method thereof Download PDFInfo
- Publication number
- CN113530372B CN113530372B CN202110710167.7A CN202110710167A CN113530372B CN 113530372 B CN113530372 B CN 113530372B CN 202110710167 A CN202110710167 A CN 202110710167A CN 113530372 B CN113530372 B CN 113530372B
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- equipment
- lock
- indicator lamp
- front door
- energy source
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B15/00—Supervisory desks or panels for centralised control or display
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a locking cabinet on a hang tag of an energy source of electric equipment and a use method thereof, relating to the technical field of equipment safety, wherein the locking cabinet on the hang tag can be placed on the site and used for quickly cutting off the electric equipment on the site by non-electric professionals, and the locking cabinet on the hang tag is designed for safe maintenance and repair, and can effectively stop human factors, equipment damage and safety events caused by forced operation of the electric equipment are caused, the technical improvement of periodically checking the installation mode of a screw type proximity switch is carried out aiming at the site requirement, the labor intensity of maintenance personnel of the equipment is reduced, the loss caused by equipment failure due to working errors is also reduced, the maximum economic maintenance of the equipment is effectively carried out, the failure rate is controlled, the production or process halt caused by the equipment is reduced, the unplanned rate of products is reduced, and the equipment is better controlled; and the device and the safety accidents caused by the disjunction of human factors can be avoided when the power is normally used.
Description
Technical Field
The invention relates to the technical field of equipment safety, in particular to a locker on a signboard of an energy source of electric equipment and a using method thereof.
Background
The locking card system works according to the principle of personal padlock and the key that the operator can use to lock the machine equipment or control, the worker can not operate when they may face danger in use, usually in equipment maintenance, the simple and reliable mechanical method can improve personal safety, and the locking card is the minimum standard that the operator must obey in production operation and safe production.
According to the 3.3 regulation in the national card hanging management specification Q/SY 1421-2011: the isolation device prevents the mechanical device of dangerous energy and material transmission or release, such as circuit isolator, power-off or safety switch, pipeline valve, blind plate, mechanical block or similar device for blocking, isolating the energy, so to lock and reform the energy source tag is an important step in the whole industry in guaranteeing the safety maintenance work.
The invention aims at the technical improvement that the fixed-period inspection of the installation mode of the screw type proximity switch is required on site, so as to reduce the labor intensity of equipment maintenance personnel of the type, or reduce the loss caused by equipment failure caused by working errors, effectively realize the maximum economical maintenance of the type of equipment, control the failure rate, reduce the production or process halt caused by the equipment, reduce the unplanned rate of products and better manage and control the type of equipment; and can stop equipment and safety accidents caused by the disjunction of human factors during normal power utilization.
Disclosure of Invention
In order to solve the technical problems, the invention provides an energy source hanging plate upper lock cabinet of electric equipment, which comprises a cabinet body, a front door plate and a rear door plate, wherein an operation panel and an internal safety sealing plate are sequentially arranged in the cabinet body at intervals along the direction from the front door plate to the rear door plate, no element is arranged between the front door plate and the operation panel and between the operation panel and the internal safety sealing plate, and a main element arrangement area for installing and arranging a main element is arranged between the internal safety sealing plate and the rear panel;
the front door plate is respectively provided with an electronic lock and a mechanical lock which are used for opening and closing the front door plate simultaneously, the electronic lock and the running state of the equipment perform an interlocking reaction, the electronic lock is closed when the equipment works, the electronic lock is opened when the equipment stops, and the front door plate is also provided with a power failure indicator lamp, a power transmission indicator lamp and an electronic lock indicator lamp which are used for displaying the current state of the equipment and displaying the opening and closing state of the electronic lock;
the operation panel is provided with a lockset for opening and closing the operation panel and two brake closing and separating switches for controlling the power supply of the electric operation mechanism to open and close, and the operation panel is also respectively provided with switch indicating lamps for indicating the states of the corresponding brake closing and separating switches;
the main element arrangement area is internally provided with a circuit breaker, and the circuit breaker is set to be a molded case circuit breaker.
The invention further defines the technical scheme that:
furthermore, a triangular door lock for opening and closing the inner safety sealing plate is arranged on the inner safety sealing plate.
Preceding A, the equidistant interval of triangular door lock along vertical direction sets up to 3, and sets up in the side of inside safety seal board.
In the foregoing a, the switch indicator includes a closing indicator and an opening indicator.
The switch on/off switch is a load switch of LW30 model.
The invention also provides a use method of the electric equipment energy source hanging lock cabinet, which comprises the following steps
S1, identifying the position of the injury and energy source by maintenance personnel;
s2, an operator authorizes a maintenance worker to hang a lock key on the electric cabinet, and the lock key is matched with a mechanical lock on the front door panel;
s3, the maintenance personnel uses the lock key to contact the mechanical lock on the front door panel;
s4, stopping the equipment by an operator;
s5, a maintenance worker observes the power failure indicator lamp, the power transmission repeat indicator lamp and the electronic lock indicator lamp, and when the power failure indicator lamp is on, the power transmission repeat indicator lamp is off and the electronic lock indicator lamp is turned on, the front door panel is turned on; otherwise, repeating the steps S4-S5;
s6, the maintenance personnel operates the corresponding switch on the operation panel and observes the switch indicator lights, when the two switch indicator lights both show the brake-off state, the maintenance personnel stops the equipment and locks the lockset on the operation panel, otherwise, the step S6 is repeated;
and S7, the maintenance personnel closes the front door plate, locks the mechanical lock on the front door plate, saves the key and finally records and registers.
The invention has the beneficial effects that:
in the invention, the front door plate comprises an electronic lock and a mechanical lock, the electronic lock is correspondingly interlocked with the current, the running state and the like of equipment to control the opening and closing of the electronic lock, and the electronic lock is used for controlling the opening and closing of the front door plate; the front door plate padlock authority is placed at an operator position of an operation platform for management and control; the on-off switch on the operation panel is an LW30 type load switch, so that a non-professional person can conveniently turn off the power supply of the electric operating mechanism and lock the electric operating mechanism, and the unlocking authority of the lock on the operation panel is that of an electric repair professional; the unlocking authority of the triangular door lock on the internal safety seal plate is the maintenance personnel for electric repair; the on-site operation is carried out by non-electrical professionals, the non-electrical professionals are prohibited from directly contacting the breaker body in consideration of safety, most frame type breakers need to be shaken out when being broken through on-site study and judgment, electrical professional operation is needed, and the design requirement is not met, so that a mode of a plastic shell breaker power-on operation mechanism is selected as a main element design of the upper lock cabinet;
the invention is suitable for an energy source hanging plate upper lock cabinet of 200kW low-voltage electric equipment, can be placed on the site, and is used for non-electric professionals to quickly cut off the on-site electric equipment, and the hanging plate upper lock cabinet designed for safe maintenance and repair can effectively stop human factors, equipment damage and safety events caused by forced operation of the electric equipment are generated, the technical improvement of periodically checking the screw type proximity switch installation mode is carried out aiming at the on-site requirement, the labor intensity of equipment maintainers of the type of equipment is reduced, the loss caused by equipment failure due to working errors is also reduced, the maximum economic maintenance of the type of equipment is effectively carried out, the failure rate is controlled, the production or process halt caused by the equipment is reduced, the product unplanned rate is reduced, and the type of equipment is better controlled; and can stop equipment and safety accidents caused by the disjunction of human factors during normal power utilization.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic structural view of a front door panel according to the present invention;
FIG. 3 is a schematic structural diagram of an operation panel according to the present invention;
fig. 4 is a schematic view of the structure of the internal security sealing plate of the present invention.
Wherein 1, a cabinet body; 2. a front door panel; 3. a rear door panel; 4. an operation panel; 5. an internal security seal plate; 6. a main element arrangement region; 7. an electronic lock; 8. a mechanical lock; 9. a power failure indicator light; 10. a power return indicator lamp; 11. an electronic lock indicator light; 12. a lock; 13. a switching-on and switching-off switch; 14. switching on and off an indicator light; 141. a switch-on indicator light; 142. a brake-off indicator light; 15. a triangular door lock.
Detailed Description
The utility model provides a locker on electric equipment energy source hang tablet, the structure is as shown in fig. 1 to 4, including the cabinet body 1, preceding door plant 2 and back door plant 3, the internal operation panel 4 and the inside safety shrouding 5 of having set gradually the interval along the direction of preceding door plant 2 to back door plant 3 of cabinet 1, wherein do not set up any component between preceding door plant 2 and operation panel 4 and the inside safety shrouding 5, set up to the main component that supplies the installation of main component to set up between inside safety shrouding 5 and the back panel and arrange district 6.
The front door plate 2 is provided with an electronic lock 7 and a mechanical lock 8 which are used for opening and closing the front door plate 2 simultaneously, the electronic lock 7 and the running state of the equipment perform chain reaction, the electronic lock 7 is closed when the equipment works, the electronic lock 7 is opened when the equipment stops, and the front door plate 2 is also provided with a power failure indicator lamp 9, a power transmission indicator lamp 10 and an electronic lock 7 indicator lamp for displaying the opening and closing states of the electronic lock 7, wherein the power failure indicator lamp 9 is used for displaying the current state of the equipment.
The operation panel 4 is provided with a lock 12 for opening and closing the operation panel and two on-off switches 13 for controlling the power supply of the electric operation mechanism to open and close, the on-off switches 13 are LW30 type load switches, the operation panel 4 is further provided with switch indicator lamps 14 for indicating the states of the corresponding on-off switches 13, and the switch indicator lamps 14 comprise a closing indicator lamp 141 and a separating indicator lamp 142.
The internal safety sealing plate 5 is provided with triangular door locks 15 for opening and closing the internal safety sealing plate, and the number of the triangular door locks 15 is 3 along the vertical direction at equal intervals and is arranged at the side edge of the internal safety sealing plate 5; a circuit breaker is provided in the main element arrangement region 6, and the circuit breaker is set as a molded case circuit breaker.
The use method of the energy source hanging plate upper locker of the electric equipment provided by the embodiment comprises the following steps
S1, identifying the position of the injury and energy source by maintenance personnel;
s2, an operator authorizes a maintenance worker to hang a lock key of the electrical cabinet, and the lock key is matched with the mechanical lock 8 on the front door panel 2;
s3, the maintenance personnel uses the lock key to contact the mechanical lock 8 on the front door panel 2;
s4, stopping the equipment by an operator;
s5, a maintenance worker observes the power failure indicator lamp 9, the repeated power transmission indicator lamp 10 and the electronic lock 7 indicator lamp, and when the power failure indicator lamp 9 is turned on, the repeated power transmission indicator lamp 10 is turned off and the electronic lock 7 indicator lamp is turned on, the front door panel 2 is opened; otherwise, repeating the steps S4-S5;
s6, the maintenance personnel operates the corresponding switch on the operation panel 4 and observes the switch indicator lamps 14, when the two switch indicator lamps 14 both display the brake-off state, the maintenance personnel stops the equipment and locks the lock 12 on the operation panel 4, otherwise, the step S6 is repeated;
s7, the maintenance person closes the front door panel 2, padlocks the mechanical lock 8 on the front door panel 2, saves the key, and finally records and registers.
In the invention, the front door panel 2 comprises an electronic lock 7 and a mechanical lock 8, the electronic lock 7 is correspondingly interlocked with the current, the running state and the like of equipment to control the opening and closing of the electronic lock 7 and is used for controlling the opening and closing of the front door panel 2; the padlock authority of the front door plate 2 is placed at an operator position of an operation table for management and control; the opening and closing switch on the operation panel 4 is a load switch of LW30 model, so that a non-professional person can conveniently turn off the power supply of the electric operating mechanism and lock the electric operating mechanism, and the unlocking authority of the lock 12 of the operation panel 4 is the professional person for electric repair; the unlocking authority of the triangular door lock 15 on the internal safety seal plate 5 lies in the electric repair maintenance personnel; the on-site operation is carried out by non-electrical professionals, the non-electrical professionals are prohibited from directly contacting the breaker body in consideration of safety, most frame type breakers in the on-site breaking need to be shaken out after on-site study and judgment, electrical professional operation is needed, and the design requirement is not met, so that the mode of the plastic shell breaker power-on operation mechanism is selected as the design of the main element of the upper lock cabinet.
The invention is suitable for an energy source hanging plate upper lock cabinet of 200kW low-voltage electric equipment, can be placed on the site, and is used for non-electric professionals to quickly cut off the on-site electric equipment, and the hanging plate upper lock cabinet designed for safe maintenance and repair can effectively stop human factors, equipment damage and safety events caused by forced operation of the electric equipment are generated, the technical improvement of periodically checking the screw type proximity switch installation mode is carried out aiming at the on-site requirement, the labor intensity of equipment maintainers of the type of equipment is reduced, the loss caused by equipment failure due to working errors is also reduced, the maximum economic maintenance of the type of equipment is effectively carried out, the failure rate is controlled, the production or process halt caused by the equipment is reduced, the product unplanned rate is reduced, and the type of equipment is better controlled; and can stop equipment and safety accidents caused by the disjunction of human factors during normal power utilization.
In the case of a plate factory in Nanjing Steel works Ltd, the time for converting a finishing line fault caused by power failure into a halt time is 58 minutes in the whole year of electrical equipment fault. According to the hourly output of 245 tons/hour and the profit of 300 yuan per ton of steel, 5.1 ten thousand yuan is required to be invested for total reconstruction of the whole-line proximity switch.
The benefit is 300 × 245 =7.1 ten thousand;
newly-increased operation cost in year: the cost in the first 5 years is 0;
the new year is old: 5.1 × 0.95/15=0.97 ten thousand yuan;
annual interest: 5.1 × 0.055=0.28 ten thousand yuan;
the benefits are as follows: 7.1-097-0.28=2.85 ten thousand yuan.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (6)
1. The utility model provides a locker on electric equipment energy source wall tag, includes the cabinet body (1), preceding door plant (2) and back door plant (3), its characterized in that: an operation panel (4) and an internal safety sealing plate (5) are sequentially arranged in the cabinet body (1) at intervals along the direction from the front door panel (2) to the rear door panel (3), wherein no element is arranged between the front door panel (2) and the operation panel (4) and between the operation panel (4) and the internal safety sealing plate (5), and a main element arrangement area (6) for installing and arranging a main element is arranged between the internal safety sealing plate (5) and the rear panel;
the front door plate (2) is respectively provided with an electronic lock (7) and a mechanical lock (8) which are used for opening and closing the front door plate (2), the electronic lock (7) and the running state of equipment perform chain reaction, the electronic lock (7) is closed when the equipment works, the electronic lock (7) is opened when the equipment stops, and the front door plate (2) is also provided with a power failure indicator lamp (9) for displaying the current state of the equipment, a power transmission indicator lamp (10) and an electronic lock (7) indicator lamp for displaying the opening and closing state of the electronic lock (7);
the operation panel (4) is provided with a lockset (12) for opening and closing the operation panel and two on-off brake switches (13) for controlling the power supply of the electric operation mechanism to be opened and closed, and the operation panel (4) is also respectively provided with a switch indicator lamp (14) for indicating the state of the corresponding on-off brake switch (13);
the main element arrangement area (6) is internally provided with a circuit breaker, and the circuit breaker is set to be a molded case circuit breaker.
2. The electric equipment energy source hanging locker on plate according to claim 1, characterized in that: and a triangular door lock (15) for opening and closing the inner safety sealing plate (5) is arranged on the inner safety sealing plate.
3. The electric equipment energy source hanging plate upper lock cabinet as claimed in claim 2, characterized in that: triangle lock (15) set up to 3 along vertical direction equidistant interval, and set up in the side of inside safety seal board (5).
4. The electric equipment energy source hanging plate upper lock cabinet according to claim 1, characterized in that: the switch indicator lamp (14) comprises a closing indicator lamp (141) and an opening indicator lamp (142).
5. The electric equipment energy source hanging locker on plate according to claim 1, characterized in that: the switching-on and switching-off switch (13) is set to be a load switch of LW30 model.
6. The use method of the electric equipment energy source hanging locker as claimed in claim 1, characterized by comprising the following steps: comprises the following steps
S1, identifying the position of the injury and energy source by maintenance personnel;
s2, an operator authorizes a maintenance worker to hang a lock key on the electric cabinet, and the lock key is matched with a mechanical lock (8) on the front door panel (2);
s3, the maintenance personnel uses the lock key to contact the mechanical lock (8) on the front door panel (2);
s4, stopping the equipment by an operator;
s5, a maintenance worker observes the power failure indicator lamp (9), the power transmission returning indicator lamp (10) and the electronic lock (7) indicator lamp, and when the power failure indicator lamp (9) is turned on, the power transmission returning indicator lamp (10) is turned off, and the electronic lock (7) indicator lamp is turned on, the front door panel (2) is opened; otherwise, repeating the steps S4-S5;
s6, the maintenance personnel operates the corresponding switch on the operation panel (4), observes the switch indicating lamps (14), and stops the equipment and locks the lockset (12) on the operation panel (4) when the two switch indicating lamps (14) both display the opening state, otherwise repeats the step S6;
s7, the maintenance personnel closes the front door panel (2), locks the mechanical lock (8) on the front door panel (2), saves the key and finally records and registers.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110710167.7A CN113530372B (en) | 2021-06-25 | 2021-06-25 | Electric equipment energy source hanging plate locking cabinet and using method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110710167.7A CN113530372B (en) | 2021-06-25 | 2021-06-25 | Electric equipment energy source hanging plate locking cabinet and using method thereof |
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Publication Number | Publication Date |
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CN113530372A CN113530372A (en) | 2021-10-22 |
CN113530372B true CN113530372B (en) | 2022-05-20 |
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CN202110710167.7A Active CN113530372B (en) | 2021-06-25 | 2021-06-25 | Electric equipment energy source hanging plate locking cabinet and using method thereof |
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Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2924203A1 (en) * | 2014-03-27 | 2015-09-30 | Abb Ag | Handle for a door of an electrical cabinet and electrical cabinet |
CN105703232B (en) * | 2016-04-26 | 2017-10-20 | 乐清致轩电气有限公司 | A kind of breaker interlocking mechanism |
CN206595559U (en) * | 2017-03-02 | 2017-10-27 | 广东华力电气股份有限公司 | A kind of interlock of high-voltage switch cabinet door |
CN110289750B (en) * | 2018-03-19 | 2021-04-13 | 台达电子工业股份有限公司 | High voltage electrical isolation apparatus and method |
CN108316785A (en) * | 2018-04-08 | 2018-07-24 | 严沁 | A kind of electric power cabinet with self-locking alarm anti-theft feature |
CN211557752U (en) * | 2020-04-30 | 2020-09-22 | 福建联合石油化工有限公司 | Energy isolation management box |
CN212587929U (en) * | 2020-08-03 | 2021-02-23 | 兰州石化职业技术学院 | Safety protection control device for high-voltage direct-current power system |
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2021
- 2021-06-25 CN CN202110710167.7A patent/CN113530372B/en active Active
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