CN110137008A - A kind of access control system of preventing mistakenly entering charged chamber - Google Patents
A kind of access control system of preventing mistakenly entering charged chamber Download PDFInfo
- Publication number
- CN110137008A CN110137008A CN201910353174.9A CN201910353174A CN110137008A CN 110137008 A CN110137008 A CN 110137008A CN 201910353174 A CN201910353174 A CN 201910353174A CN 110137008 A CN110137008 A CN 110137008A
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- CN
- China
- Prior art keywords
- control system
- circuit
- gate inhibition
- access control
- door lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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- Lock And Its Accessories (AREA)
Abstract
The invention discloses a kind of access control system of preventing mistakenly entering charged chamber, packet includes access door and door lock, and the door lock includes mechanical door lock and electromagnetic door lock and control system；The control system includes DC control supply, gate inhibition's power supply and multiple control loops, and the control loop includes that anti-short circuit locking and status releasing circuit, five unlocking preventions and electric blocking circuit and gate inhibition release circuit；The anti-short circuit locking and status releasing circuit are made of the anti-short circuit locking relay of electric puzzle lock series connection, and are linked into DC control supply；It includes electromagnetic door lock that the gate inhibition, which releases circuit, and is linked into gate inhibition's power supply.The present invention can effectively prevent Substation Operating personnel or construction personnel to make a forcible entry into the work of charging equipment interval, thoroughly solve deficiency existing for " five is anti-" system, effectively prevent the generation of human casualty accident, it is ensured that the person and equipment safety.
Description
Technical field
The present invention relates to electric power network fields, in particular to a kind of access control system of preventing mistakenly entering charged chamber.
Background technique
In the prior art, the personal injury caused by the pernicious misoperation fault of electric system, mistakenly entering into charged equipment interval
Great ratio is accounted for equipment damage and system blackout accident etc..The principal element for causing these accidents is human factor and sets
Standby factor: it lacks a sense of responsibility first is that the awareness of safety of people is thin, operating process does not cause accident in place by regulation strict implement
Human factor；Second is that the security identifier of equipment is unintelligible, equipment without reliable logic blocking, without security warning causes accident
Apparatus factor.Currently, " five is anti-" system of each producer, substation is widely applied, from the point of view of long-term operating condition,
Not perfect there are loophole in the anti-measure for being strayed into charging equipment interval, field personnel can be unlocked arbitrarily easily into and out of equipment
It is spaced work, the probability that person electric shock occurs is very high.
Summary of the invention
The purpose of the present invention is to provide a kind of access control systems of preventing mistakenly entering charged chamber, can effectively prevent Substation Operating
Personnel or construction personnel make a forcible entry into the work of charging equipment interval, thoroughly solve deficiency existing for " five is anti-" system, effective anti-
The only generation of human casualty accident, it is ensured that the person and equipment safety.
To reach above-mentioned technical purpose, the technical solution adopted by the present invention is specific as follows:
A kind of access control system of preventing mistakenly entering charged chamber, including access door and door lock, the door lock include mechanical door lock
And electromagnetic door lock and control system；The control system includes DC control supply, gate inhibition's power supply and multiple controls back
Road, the control loop include that anti-short circuit locking and status releasing circuit, five unlocking preventions and electric blocking circuit and gate inhibition release
Circuit；The anti-short circuit locking and status releasing circuit are made of the anti-short circuit locking relay of electric puzzle lock series connection, and are linked into
DC control supply；It includes electromagnetic door lock that the gate inhibition, which releases circuit, and is linked into gate inhibition's power supply.
Further, the electric puzzle lock is five anti-electric puzzle locks of anti-positive and negative short-circuit operation, including be mounted on prevent it is short
Connect the rotation electrode in box and fixed electrode, connecting terminal, the computer key being adapted to lock body；The connecting terminal passes through more
Copper conductor is extended multiple contacts mutually disconnected respectively, and insulation stroke push rod is connected between multiple contacts, and insulation stroke pushes away
Bar one end is connected on rotation electrode.
Further, the contact includes at least three, is respectively set to normally opened contact, common, normally-closed contact, public
Contact is arranged between normally opened contact and normally-closed contact altogether, and each contact is separately positioned on a copper conductor.
Further, rotatable electrode bar one end is connected with rotation plectrum, and rotation plectrum is against insulation stroke push rod
End, be provided with multiple copper conductor plectrums on the insulation stroke push rod, copper conductor plectrum is separately positioned on the upper of copper conductor
Side or lower section.
Further, five unlocking prevention and electric locking circuit include multiple electric locking contacts, five unlocking prevention relays
Device and time-limit relay, five unlocking prevention relays and time-limit relay connect again after being connected in parallel and are linked into electric locking contact.
Further, the five unlocking preventions relay and time-limit relay have been respectively connected to electromagnetic response normal open switch.
Further, DC control supply, which also accesses, has gate inhibition to release the switch that indicator light and control instructions lamp are connected.
Further, the DC control supply access has DC control supply air switch.
Further, gate inhibition's plant-grid connection has gate inhibition's power supply air switch.
The beneficial effects of the present invention are: the present invention is different from the prior art, the door of preventing mistakenly entering charged chamber of the invention
Access control system have double protection, one is tradition machinery formula door lock again, it is another it is heavy be electromagnetic door lock, need dual unlock just to can enter
In to charging equipment, staff is effectively prevent arbitrarily to pass in and out, reduces safety hazards.
Detailed description of the invention
Fig. 1 is the access control system structural schematic diagram of preventing mistakenly entering charged chamber provided by the invention；
Fig. 2 is the circuit diagram of the access control system of preventing mistakenly entering charged chamber provided by the invention；
Fig. 3 is the electric puzzle lock structural schematic diagram of the access control system of preventing mistakenly entering charged chamber provided by the invention.
Fig. 4 is the illegal unlocking information long-distance Log server principle of the access control system of preventing mistakenly entering charged chamber provided by the invention
Figure.
Fig. 5 is the speech horn circuit structure diagram of the access control system of preventing mistakenly entering charged chamber provided by the invention.
Appended drawing reference:
The anti-short circuit of 1- DC control supply, 2- DC control supply air switch 1DK, 3- electricity puzzle lock, 4- is latched relay
Five five unlocking prevention time-limit relay SJ1,11- gate inhibition power supply of unlocking prevention relay KM2,6- of device KM1,5-, 12- access control power supply
Air switch 2DK, 14- access control, 21- magnetic door lock, 22- access control device, 23- gate inhibition release indicator light, 24-
Lock, 25- mechanical door lock, 26- speech horn, 27- wall, 34- electricity puzzle lock lock body, 35- normally opened contact, 36- common,
37- normally-closed contact, 38- spring leaf, 39- rotation electrode, 40- rotation plectrum, 41- insulation stroke push rod, the fixed electrode of 42-.
Specific embodiment
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Shown in Fig. 1-Fig. 5, a kind of access control system of preventing mistakenly entering charged chamber, including access door and door lock, the door lock
Including mechanical door lock 25 and electromagnetic door lock and control system；The control system includes DC control supply 1, gate inhibition's power supply
11 and multiple control loops, the control loop include anti-short circuit locking and status releasing circuit, five unlocking preventions and electrically close
Lock loop and gate inhibition release circuit；The anti-short circuit locking and status releasing circuit by electric puzzle lock 3 connect anti-short circuit locking after
Electric appliance is constituted, and is linked into DC control supply 1；It includes electromagnetic door lock 24 that the gate inhibition, which releases circuit, and is linked into gate inhibition's electricity
Source 11.
Five unlocking prevention and electric locking circuit include multiple electric locking contacts, five unlocking prevention relays and in limited time after
Electric appliance, five unlocking prevention relays and time-limit relay connect again after being connected in parallel and are linked into electric locking contact.
The five unlocking preventions relay and time-limit relay have been respectively connected to electromagnetic response normal open switch.
DC control supply 1, which also accesses, has gate inhibition to release the switch that indicator light 23 and control instructions lamp are connected.It is described straight
The access of flow control power supply 1 has 1 air switch of DC control supply.The access of gate inhibition's power supply 11 has 11 air of gate inhibition's power supply to open
It closes.
The electricity puzzle lock 3 is five anti-electric puzzle locks of anti-positive and negative short-circuit operation, including being mounted in anti-short circuit box
Rotation electrode 39 and fixed electrode 42, connecting terminal, the computer key being adapted to lock body；The connecting terminal is led by more copper
Line is extended multiple contacts mutually disconnected respectively, and insulation stroke push rod 41 is connected between multiple contacts, and insulate stroke push rod
41 one end are connected on rotation electrode 39.
Rotation electrode 39 is placed in inside electric puzzle lock lock body 34 by rotatable electrode 39, the fixed support of bearing, can be flexible
It is rotated by 360 ° conductive, and in 39 tail end of rotatable electrode, the rotatable plectrum of installation can be arbitrarily adjusted according to angle demand
40 rotation angles, and fixed with hold-doun nut.Electric puzzle lock lock body 34 is used cooperatively with five anti-computer keys, when computer key is inserted
When entering electric puzzle lock lock body 34 and pressing unblock button, unlock operating stick while rotating clockwise 90 degree rotatable plectrum 40 also revolve
It turn 90 degrees to stir insulation stroke push rod 41 and move upwards, so that common 36 is disconnected normally-closed contact 37 and connect normally opened contact 35
To achieve the purpose that electric loop solution lock control.Fixed electrode 42 is placed in electric puzzle lock lock body by the 42 fixed supports of fixed electrode
It is non-rotatable conductive inside 34, support is imported and fixed for the Fixed latches reliable location to computer key.It unclamps
When computer key unblock button, unlock operating stick drives rotatable plectrum 40 to rotate counterclockwise 90 degree, and auxiliary contact and insulation are gone
Auto-returned under the action of spring leaf 38 of journey push rod 41 keeps original state.
The contact includes at least three, is respectively set to normally opened contact 35, common 36, normally-closed contact 37, public
Contact 36 is arranged between normally opened contact 35 and normally-closed contact 37, and each contact is separately positioned on a copper conductor.It is described can
39 bar one end of rotation electrode is connected with rotation plectrum 40, and rotation plectrum 40 is against the end of insulation stroke push rod 41, the insulation
Multiple copper conductor plectrums are provided on stroke push rod 41, copper conductor plectrum is separately positioned on the either above or below of copper conductor.
Specifically, the contact is preferably three, it is respectively set to normally opened contact 35, common 36, normally-closed contact
37, common 36 is arranged between normally opened contact 35 and normally-closed contact 37, and each contact is separately positioned on a copper conductor.
At this point, copper conductor plectrum is separately positioned on 35 lower section of normally opened contact, the top of normally-closed contact 37 and common 36.Rotate plectrum
40 in the rotary course of electrode stem drive insulation stroke lever move up or down, while copper conductor plectrum stir copper conductor to
It goes up perhaps downward and controls the contact between multiple contacts or separate.In the process, when the stroke lever that insulate moves up, band
The copper conductor plectrum of dynamic common 36 is moved up up to resisting the copper conductor of normally-closed contact 37, and moves up it, normally-closed contact 37
Common 36 cannot contact again in the process, and then moving up for normally opened contact 35 contacts series connection with common 36.Conversely,
When the stroke lever that insulate moves down, then normally-closed contact 37 is driven to connect with common 36.Multiconductor is provided separately, and will be multiple auxiliary
It helps contact closing to be mounted in anti-short circuit box to be managed.
When specifically used, according to Fig. 1, Fig. 2, DC control supply 1, DC control supply air switch 1DK
(2), electric puzzle lock 3, anti-short circuit locking relay KM1 (4), five unlocking prevention relay KM2 (5), five unlocking prevention time-limit relays
SJ1 (6), gate inhibition's power supply 11, access control power supply air switch 2DK, speech horn are all loaded on envelope in access control device 22
Stopped pipe reason, access control device 22 is fixedly mounted on wall 27.
First mechanical door lock 25 is unlocked, then computer key is inserted into electric puzzle lock 3, and passes through computer key identification electricity coding
After the mechanical code-locked of lock 3, computer key unlocking button is pressed, normally-closed contact SQ1-1 disconnects anti-short circuit locking and status releasing returns
Road, normally opened contact SQ1-2 closure five unlocking preventions of connection and electric blocking circuit, five unlocking prevention relay KM2 (5) excitation actuatings,
Normally opened contact KM2-1 is closed self-sustaining, and normally opened contact KM2-3 closure lights gate inhibition and releases indicator light 23, and connecting can speech horn
26 prompt field personnel " correctly unlock, can enter！", normally opened contact KM2-5 is closed hard contact amount and is sent to public observing and controlling
Device, by the message pre-set, " so-and-so opens the door in the unlock of equipment interval five prevention logic！", normally-closed contact KM2-4 disconnects gate inhibition
Circuit, 21 loss of excitation of gate inhibition's magnetic door lock are released, equipment room partition door is opened, and Field Force can enter safely the equipment interval.
When unauthorized person conductor is shorted the rotation electrode and fixed electrode due to electric puzzle lock 3, instantaneous trigger is prevented short
The anti-short circuit locking relay KM1 (4) of locked loop and excitation actuating are connect, normally opened contact KM1-1 is closed self-sustaining, normally closed touching
Point KM1-2 disconnects five unlocking preventions and electric institute locked loop, normally opened contact KM1-3 are closed hard contact amount and are sent to public measure and control device,
By the message pre-set, " so-and-so opens the door at equipment interval by force！" the illegal unlock behavior in remote prompts Dispatchers on duty scene,
Connect 26 voice prompting of speech horn " illegal unlock, quiescing！" alert live unauthorized person, it in this state will be by
All unlock operations of permanent ban, the strong illegal unlock human behavior of control, effectively prevent mistakenly entering into charged equipment interval.
Illegal unlocked state is such as released, the door lock 24 of access control device 22 should be opened with key by administrative staff and opens door, will be filled
DC control supply air switch 1DK (2) power-off in setting after above-mentioned functional loop all returns, closes DC control electricity again
Source air switch 1DK (2).
In access control device 22 under any component fault condition, administrative staff can open door lock 24 with key, open
The device gate is isolated by DC control supply air switch 1DK (2), access control power supply air switch 2DK (12) disconnection
Any operation is not influenced, that is, is restored to the original state of the access control system locking without preventing mistakenly entering charged chamber.Live special circumstances
Under, need long-time gate inhibition to release, being provided with 14 administrative staff of access control for convenience only needs a key that can release gate inhibition.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of access control system of preventing mistakenly entering charged chamber, including access door and door lock, it is characterised in that: the door lock includes
Mechanical door lock and electromagnetic door lock and control system；The control system includes DC control supply, gate inhibition's power supply and multiple
Control loop, the control loop include anti-short circuit locking and status releasing circuit, five unlocking preventions and electric blocking circuit and door
Prohibit and releases circuit；The anti-short circuit locking and status releasing circuit are made of the anti-short circuit locking relay of electric puzzle lock series connection, and
It is linked into DC control supply；It includes electromagnetic door lock that the gate inhibition, which releases circuit, and is linked into gate inhibition's power supply.
2. the access control system of preventing mistakenly entering charged chamber according to claim 1, it is characterised in that: the electricity puzzle lock is anti-
The anti-electric puzzle lock of the five of positive and negative short-circuit operation, including the rotation electrode and fixed electrode, terminals being mounted in anti-short circuit box
Son, the computer key being adapted to lock body；The connecting terminal is extended multiple touchings mutually disconnected respectively by more copper conductors
Point, insulation stroke push rod is connected between multiple contacts, and insulation stroke push rod one end is connected on rotation electrode.
3. the access control system of preventing mistakenly entering charged chamber according to claim 2, it is characterised in that: the contact includes at least
Three, be respectively set to normally opened contact, common, normally-closed contact, common setting normally opened contact and normally-closed contact it
Between, each contact is separately positioned on a copper conductor.
4. the access control system of preventing mistakenly entering charged chamber according to claim 2, it is characterised in that: the rotatable electrode bar
One end is connected with rotation plectrum, and rotation plectrum is against the end of insulation stroke push rod, is provided on the insulation stroke push rod more
A copper conductor plectrum, copper conductor plectrum are separately positioned on the either above or below of copper conductor.
5. the access control system of preventing mistakenly entering charged chamber according to claim 1, it is characterised in that: five unlocking prevention and electricity
Gas lock loop circuit includes multiple electric locking contacts, five unlocking prevention relays and time-limit relay, five unlocking prevention relays and limit
When relay be connected in parallel after connect be linked into electric locking contact again.
6. the access control system of preventing mistakenly entering charged chamber according to claim 5, it is characterised in that: the five unlocking preventions relay
Device and time-limit relay have been respectively connected to electromagnetic response normal open switch.
7. the access control system of preventing mistakenly entering charged chamber according to claim 1, it is characterised in that: DC control supply also connects
Enter to have gate inhibition to release the switch that indicator light and control instructions lamp are connected.
8. the access control system of preventing mistakenly entering charged chamber according to claim 1, it is characterised in that: the DC control supply
Access has DC control supply air switch.
9. the access control system of preventing mistakenly entering charged chamber according to claim 1, it is characterised in that: gate inhibition's plant-grid connection
There is gate inhibition's power supply air switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353174.9A CN110137008B (en) | 2019-04-29 | 2019-04-29 | Prevent mistake and go into electrified spaced access control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353174.9A CN110137008B (en) | 2019-04-29 | 2019-04-29 | Prevent mistake and go into electrified spaced access control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110137008A true CN110137008A (en) | 2019-08-16 |
| CN110137008B CN110137008B (en) | 2021-05-25 |
Family
ID=67575632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910353174.9A Active CN110137008B (en) | 2019-04-29 | 2019-04-29 | Prevent mistake and go into electrified spaced access control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110137008B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110930554A (en) * | 2019-11-28 | 2020-03-27 | 广东亚太天能科技股份有限公司 | Intelligent lock body with anti-prying function and door with intelligent lock body |
| CN113096366A (en) * | 2021-03-25 | 2021-07-09 | 国网河北省电力有限公司沧州供电分公司 | Electrified interval false-entry-prevention method and device and terminal equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2045414U (en) * | 1989-04-27 | 1989-10-04 | 邮电部设计院 | Electronic code door lock |
| JPH11265629A (en) * | 1998-03-17 | 1999-09-28 | Hitachi Telecom Technol Ltd | Switch panel structure |
| CN203787791U (en) * | 2013-12-11 | 2014-08-20 | 广东天能电力设计有限公司 | Ring main unit high-voltage live display block system with forced block function |
| CN107680212A (en) * | 2017-09-25 | 2018-02-09 | 国网江苏省电力公司常州供电公司 | A kind of anti-smart lock authority checking method of power distribution network outdoor equipment five |
| CN210316902U (en) * | 2019-04-29 | 2020-04-14 | 贵州电网有限责任公司 | Entrance guard system for preventing mistakenly entering electrified interval |
-
2019
- 2019-04-29 CN CN201910353174.9A patent/CN110137008B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2045414U (en) * | 1989-04-27 | 1989-10-04 | 邮电部设计院 | Electronic code door lock |
| JPH11265629A (en) * | 1998-03-17 | 1999-09-28 | Hitachi Telecom Technol Ltd | Switch panel structure |
| CN203787791U (en) * | 2013-12-11 | 2014-08-20 | 广东天能电力设计有限公司 | Ring main unit high-voltage live display block system with forced block function |
| CN107680212A (en) * | 2017-09-25 | 2018-02-09 | 国网江苏省电力公司常州供电公司 | A kind of anti-smart lock authority checking method of power distribution network outdoor equipment five |
| CN210316902U (en) * | 2019-04-29 | 2020-04-14 | 贵州电网有限责任公司 | Entrance guard system for preventing mistakenly entering electrified interval |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110930554A (en) * | 2019-11-28 | 2020-03-27 | 广东亚太天能科技股份有限公司 | Intelligent lock body with anti-prying function and door with intelligent lock body |
| CN113096366A (en) * | 2021-03-25 | 2021-07-09 | 国网河北省电力有限公司沧州供电分公司 | Electrified interval false-entry-prevention method and device and terminal equipment |
| CN113096366B (en) * | 2021-03-25 | 2022-10-14 | 国网河北省电力有限公司沧州供电分公司 | Electrified interval false-entry-prevention method and device and terminal equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110137008B (en) | 2021-05-25 |
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