CN111640259A

CN111640259A - Intelligent key interlock system of holding back

Info

Publication number: CN111640259A
Application number: CN202010563798.6A
Authority: CN
Inventors: 李林
Original assignee: Qingdao Dingxin Industrial Safety Equipment Co ltd
Current assignee: Qingdao Dingxin Industrial Safety Equipment Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2020-09-08

Abstract

The invention discloses an intelligent key retention interlocking system, which consists of an intelligent key management and control system, a key retention interlocking system and an auxiliary hasp padlock system, and comprises the following use steps: s1: obtaining the authorization of an intelligent key management and control system; s2: taking out the corresponding authorized key from the intelligent key cabinet; s3: inserting a key to cut off the power source and releasing the safety key A; s4: inserting a safety key A, and replacing an entrance guard key from the interlocking converter; s5: inserting an access key to open the access door; s6: entering a maintenance area and opening an internal control bolt lock; s7: and (4) the personnel quit, the equipment is restarted, and the authorized key is correctly returned. The invention can standardize the classified management and control of personnel entering the protection area, organically combines mechanical protection and maintenance energy isolation, improves the intrinsic safety of enterprises, and improves the authorization management level of the enterprises through the intelligent management and control standard.

Description

Intelligent key interlock system of holding back

Technical Field

The invention relates to the technical field of interception interlocking systems, in particular to an intelligent interception key interlocking system.

Background

With the rapid development of industrialization, the functional complexity of the machine is increased day by day, and the regulatory requirements on safety, environmental protection and energy conservation are stricter day by day. Comfortable, flexible and personalized customer demands are different, market competition is global, development period is continuously shortened, a large number of machines are widely used in processing and manufacturing, and safety protection of people faces huge challenges.

The existing interception interlocking system has some limitations and can not completely meet the safety protection requirement, a systematic and integrated intelligent interlocking solution is lacking in the market, better normative personnel are required to enter the classified control of a protection area, and the intelligent control and intrinsic safety level are improved, so that a classified control method based on a man-machine interaction entrance protection concept and combined with actual production and safety requirements is provided. The mechanical protection and maintenance energy isolation are organically combined, the intrinsic safety of enterprises is improved, the authorization management level of the enterprises is improved through intelligent management and control specifications, and the production risk classification management and control capability of the enterprises is improved.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides an intelligent intercepting key interlocking system which can systematically and integrally realize the classified control of normative personnel entering a protection area and improve the intelligent control and the intrinsic safety level.

In order to achieve the purpose, the invention discloses an intelligent key retention interlocking system, which adopts the following technical scheme:

an intelligent key retention interlock system comprising the steps of:

s1: system authorization; before the staff enters the operation, the identity and the entering time period are double authorized through an intelligent key management and control system;

s2: taking out the authorized key; taking out the key with the corresponding authority from the intelligent key cabinet through the staff who authorizes the entry;

s3: cutting off a power source; the worker inserts the power supply key to open the power control lock, cuts off the power supply and releases the safety key A on the control lock;

s4: replacing the key; the worker inserts the security key A into the interlocking converter and replaces 3 entrance guard keys;

s5: opening an access door; the staff inserts the obtained 3 entrance guard keys into the corresponding entrance guard locks, and rotates the keys to open the access door;

s6: opening an internal control bolt lock; the working personnel enter the working area, open the internal control bolt lock in the access door, begin the equipment maintenance;

s7: restarting the equipment; after the maintenance is finished, all the workers leave the maintenance space, and the unlocking switch is operated reversely to finish power transmission;

s8: the key is reset; after the equipment is restarted and operated, the power control lock is locked by a worker, and the power key is pulled out and stored in a specified position in the key cabinet.

Further, in S1, the staff must obtain the corresponding identity right and can only pass through the authorized time period, and when the staff does not have the identity right, the passing is prohibited; when the staff has the identity authority and enters beyond the authorized time period, the system sends out an alarm prompt.

Based on the scheme, in the process of S1, when the staff needs authorization for the temporary task, remote authorization can be initiated, and the direct access can be realized after confirmation.

As a further aspect of the present invention, in the process of S2, the entering staff may only take out the key with the corresponding authority, and other keys without authority cannot be taken out.

Further, in the process of S3, after the security key a on the power control lock is removed, the power switch is locked in the off state, and the power key cannot be removed and controlled.

Based on the above solution, after the entrance guard key is replaced by 3 in the process of S4, the security key a removed in the process of S3 cannot be removed from the interlock converter.

As a further aspect of the present invention, in the S5 process, the 3 access keys taken out in the S4 process correspond to the 3 interlocking door locks, respectively, and when the door lock is in an open state, the 3 access keys cannot be taken out of the door lock.

Further, when the internal control latch lock is in the unlocked state in the process of S6, the access door cannot be closed and locked from the outside when being opened in the process of S5.

Further, in the S8 process, when the power key in the smart key cabinet is not returned, the corresponding authorized person cannot pass away.

The invention has the beneficial effects that:

1. according to the classification and classification management and control of the operating personnel and the operating tasks, safety and efficiency can be better considered;

2. the intelligent authorization control is forced, and the intrinsic safety level of an enterprise is improved;

3. the intelligent system controls and improves the comprehensive management level of enterprises;

4. intelligent remote authorization, real-time monitoring and recording, and automatic generation of a wind control report;

5. the anti-fool and anti-fool characteristics are provided, the anti-fool and anti-fool device is suitable for operators of any quality, the operation steps are programmed, and the occurrence of misoperation accidents is completely avoided;

6. the system is integrally designed in a modular mode, and functional modules can be added on the existing basis at any time in the later stage if the requirement exists.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

Drawings

FIG. 1 is a flow chart of an intelligent trapped key interlock system according to the present invention;

FIG. 2 is a block diagram of an intelligent key retention interlock system interlock converter according to the present invention;

FIG. 3 is a block diagram of an auxiliary padlock system with an intelligent key retention interlock system according to the present invention;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described 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 of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Referring to fig. 1, an intelligent trapped key interlock system includes the steps of:

s1: system authorization; the staff must obtain the corresponding identity authority and can only pass in the authorized time period, and when the staff does not have the identity authority, the staff is prohibited to pass; when the staff has the identity authority and enters beyond the authorized time period, the system sends out an alarm prompt. When the temporary task of the staff requires authorization, remote authorization can be initiated, and the staff directly enters through the entrance after confirmation.

S2: taking out the authorized key; the staff who passes through the authorization entering can only take out the key of corresponding authority from intelligent key cabinet, and other key that do not have the authority can not take out.

S3: cutting off a power source; the staff inserts the power key and opens power control lock, cuts off power supply, takes out safety key A on the control lock, and after safety key A was taken out, power switch was locked in the off-state, and the power key can't be drawn out and regulation and control this moment.

S4: replacing the key; the staff inserts safety key A into the interlocking converter, replaces 3 entrance guard's keys, and 3 entrance guard's keys are replaced the back, and the safety key A who inserts can't be taken out from the interlocking converter.

S5: opening an access door; 3 the entrance guard's key corresponds 3 interlocking locks respectively, inserts entrance guard's key respectively after, the access door is opened to the rotatory key, when interlocking lock is in the open mode, 3 can't take out from the lock to the entrance guard's key.

S6: opening an internal control bolt lock; when the internal control bolt lock is in an open state, the access door cannot be closed and locked from the outside;

s8: the key is reset; after the power control lock is locked, the power key is pulled out and stored in a designated position in the intelligent key cabinet, and when the authorized key in the intelligent key cabinet is not returned, corresponding authorized personnel can not pass and leave.

Referring to fig. 3, an intelligent lock system with a key-lock is provided, when a plurality of people enter an operation area at one point, an auxiliary hasp padlock system is started, a worker hangs a hasp lock on a lock cover, the lock cover is locked, and finally all personal safety locks are locked on the hasp lock.

The working principle and the using flow of the embodiment are as follows: during daily inspection, authorized workers take out the access control key through the intelligent management and control system and enter an operation area; during the maintenance, the staff who obtains the authorization takes out the power key through intelligent management and control system, opens and cuts off the power supply behind the power control lock, release safety key A, and the switch is locked at the off-state this moment, replaces 3 entrance guard's keys in inserting the interlocking converter with safety key A, and 3 entrance guard's keys that the staff will replace insert the interlocking lock, and the external control entrance guard lock is opened in the rotation, opens the access door. After entering the door, the worker opens the internal control bolt lock in the door to start to overhaul the equipment. Before the overhaul is finished, the power source can not be started, and the occurrence of manual misoperation accidents is avoided. And after all people exit from the maintenance area, the unlocking switch is operated reversely to finish power transmission, and the equipment can be restarted. And finally, the worker stores the power key into the specified position of the intelligent key cabinet and orderly quits and leaves.

When a plurality of people enter the operation area at one point, the auxiliary hasp padlock system is started, the staff additionally hangs the hasp lock on the lock cover, locks the lock cover and finally locks all the personal safety locks on the hasp lock.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An intelligent key retention interlock system comprising the steps of:

s3: cutting off a power source; a worker inserts the power key to open the power control lock, cuts off the power supply and releases the safety key A on the control lock;

s5: opening an access door; the staff inserts the obtained 3 access control keys into the corresponding external access control locks, and rotates the keys to open the access door;

s6: opening an internal control bolt lock; the working personnel enter the maintenance space, open the internal control bolt lock in the maintenance door, and start the equipment maintenance;

s8: the key is reset; after the equipment is restarted and operated, the power control lock is locked by a worker, and the power key is pulled out and stored in a designated position in the intelligent key cabinet.

2. An intelligent lock system with key retention function as claimed in claim 1, wherein in the process of S1, the staff must obtain the corresponding identity authority and can pass only in the authorized time period, and when the staff has no identity authority, the passing is prohibited; when the staff has the identity authority and enters beyond the authorized time period, the system sends out an alarm prompt.

3. An intelligent lock with key retention as described in claim 2, wherein during S1, when the temporary task of the staff requires authorization, remote authorization can be initiated and access is made directly through the entrance after confirmation.

4. An intelligent key fob interlock system according to claim 1 wherein: in the process of S2, the entering staff member can only take out the key with the corresponding authority, and other keys without authority cannot be taken out.

5. The intelligent key-retention interlocking system according to claim 1, wherein in the process of S3, after the safety key a on the power control lock is removed, the power switch is locked in an off state, and the power key cannot be removed and controlled.

6. An intelligent key-retention interlock system as claimed in claim 1, wherein the inserted security key a cannot be removed from the interlock converter after 3 door access keys have been replaced in the process of S4.

7. The intelligent lock system with the key retention function as claimed in claim 1, wherein in the process of S5, 3 access keys correspond to 3 lock locks, and when the lock is in an open state, 3 access keys cannot be taken out of the lock.

8. An intelligent trapped key interlock system as claimed in claim 1, wherein the access door cannot be closed and locked from the outside when the internally piloted deadbolt lock is in the unlocked state during S6.

9. An intelligent key-retention interlocking system as claimed in claim 1, wherein in the process of S8, when the authorized key in the intelligent key cabinet is not in place, the corresponding authorized person cannot pass away.