阅读说明：本技术 一种用电设备能量源挂牌上锁柜及其使用方法 (Electric equipment energy source hanging plate locking cabinet and using method thereof ) 是由 嵇翔 于 2021-06-25 设计创作，主要内容包括：本发明公开了一种用电设备能量源挂牌上锁柜及其使用方法,涉及设备安全技术领域,本发明可放置于现场,用于非电气专业人员快速切断现场用电设备,安全检修设计的挂牌上锁柜,其连锁保护,可有效的杜绝人为因素,在用电设备运行时强行造成的设备损坏以及安全事件发生,针对现场需要进行定周期检查螺杆式接近开关安装方式的技术改进,降低此类设备维护人员的劳动强度,也减少因工作失误导致的设备故障带来的损失,有效的对此类设备最大经济化维护,控制故障率,减少因设备导致的生产或工艺停时,降低产品非计划率,更好的对此类设备进行管控；并可在正常用电时,杜绝因人为因素分断导致的设备以及安全事故发生。(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 can stop equipment and safety accidents caused by the disjunction of human factors during normal power utilization.)

1. The utility model provides a locker on electric installation energy source hang tablet, 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 plate upper lock cabinet 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 plate upper lock cabinet 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 plate upper locker as claimed in claim 1, characterized in that: 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.

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 seal 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 as well as between the operation panel and the internal safety seal plate, and a main element arrangement area for installing and arranging a main element is arranged between the internal safety seal plate and the rear door plate;

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 technical scheme of the invention is further defined as follows:

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 energy source hanging plate upper lock cabinet of the electric equipment, 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 opening and closing switch on the operation panel is an LW30 model 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 of the operation panel is that of a professional person for electric repair; 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;

figure 4 is a schematic view of the structure of the internal security seal 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.